dnl Autoconf script for GNU Emacs dnl To rebuild the 'configure' script from this, execute the command dnl autoconf dnl in the directory containing this script. dnl If you changed any AC_DEFINES, also run autoheader. dnl dnl Copyright (C) 1994-1996, 1999-2016 Free Software Foundation, Inc. dnl dnl This file is part of GNU Emacs. dnl dnl GNU Emacs is free software: you can redistribute it and/or modify dnl it under the terms of the GNU General Public License as published by dnl the Free Software Foundation, either version 3 of the License, or dnl (at your option) any later version. dnl dnl GNU Emacs is distributed in the hope that it will be useful, dnl but WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the dnl GNU General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with GNU Emacs. If not, see . AC_PREREQ(2.65) dnl Note this is parsed by (at least) make-dist and lisp/cedet/ede/emacs.el. AC_INIT(GNU Emacs, 26.0.50, bug-gnu-emacs@gnu.org) dnl Set emacs_config_options to the options of 'configure', quoted for the shell, dnl and then quoted again for a C string. Separate options with spaces. dnl Add some environment variables, if they were passed via the environment dnl rather than on the command-line. emacs_config_options= optsep= dnl This is the documented way to record the args passed to configure, dnl rather than $ac_configure_args. for opt in "$@" CFLAGS CPPFLAGS LDFLAGS; do case $opt in -n | --no-create | --no-recursion) continue ;; CFLAGS | CPPFLAGS | LDFLAGS) eval 'test "${'$opt'+set}" = set' || continue case " $*" in *" $opt="*) continue ;; esac eval opt=$opt=\$$opt ;; esac emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~' case $opt in *[["$emacs_shell_specials"]]*) case $opt in *\'*) emacs_quote_apostrophes="s/'/'\\\\''/g" opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;; esac opt="'$opt'" case $opt in *[['"\\']]*) emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/' opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;; esac ;; esac AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"]) optsep=' ' done AC_CONFIG_HEADERS(src/config.h:src/config.in) AC_CONFIG_SRCDIR(src/lisp.h) AC_CONFIG_AUX_DIR(build-aux) dnl automake 1.13 and later understand this, making -I m4 unnecessary. dnl With older versions this is a no-op. AC_CONFIG_MACRO_DIR(m4) xcsdkdir= AC_CHECK_PROGS(XCRUN, [xcrun]) if test -n "$XCRUN"; then if test -z "$MAKE"; then dnl Call the variable MAKE_PROG, not MAKE, to avoid confusion with dnl the usual MAKE variable that 'make' itself uses. AC_CHECK_PROG([MAKE_PROG], [make], [yes]) if test -z "$MAKE_PROG"; then MAKE="$XCRUN MAKE" export MAKE xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null` fi fi fi dnl GNU Make is required, so don't test for its individual features. am_cv_make_support_nested_variables=yes AC_DEFUN([AC_PROG_MAKE_SET], [SET_MAKE= AC_SUBST([SET_MAKE])]) dnl Check for GNU Make and possibly set MAKE before running AM_INIT_AUTOMAKE. [emacs_check_gnu_make () { emacs_makeout=`($1 --version) 2>/dev/null` && case $emacs_makeout in 'GNU Make '3.8[1-9]* | 'GNU Make '3.9[0-9]* | \ 'GNU Make '3.[1-9][0-9][0-9]* | 'GNU Make '[4-9]* | 'GNU Make '[1-9][0-9]* ) ac_path_MAKE_found=:;; esac }] AC_CACHE_CHECK([for GNU Make], [ac_cv_path_MAKE], [ac_path_MAKE_found=false if test -n "$MAKE"; then emacs_check_gnu_make "$MAKE" ac_cv_path_MAKE=$MAKE else emacs_tried_make=false emacs_tried_gmake=false emacs_tried_gnumake=false AC_PATH_PROGS_FEATURE_CHECK([MAKE], [make gmake gnumake], [[emacs_check_gnu_make "$ac_path_MAKE" if $ac_path_MAKE_found; then # Use the fully-qualified program name only if the basename # would not resolve to it. if eval \$emacs_tried_$ac_prog; then ac_cv_path_MAKE=$ac_path_MAKE else ac_cv_path_MAKE=$ac_prog fi fi eval emacs_tried_$ac_prog=:]]) fi]) $ac_path_MAKE_found || { AC_MSG_ERROR([[Building Emacs requires GNU Make, at least version 3.81. If you have it installed under another name, configure with 'MAKE=...'. For example, run '$0 MAKE=gnu-make'.]]) } MAKE=$ac_cv_path_MAKE export MAKE dnl Fairly arbitrary, older versions might work too. AM_INIT_AUTOMAKE(1.11) dnl Canonicalize the configuration name. AC_CANONICAL_HOST case $host in *-mingw*) if test -z "$host_alias"; then # No --host argument was given to 'configure'; therefore $host # was set to a default value based on the build platform. But # this default value may be wrong if we are building from a # 64-bit MSYS[2] pre-configured to build 32-bit MinGW programs. # Therefore, we'll try to get the right host platform from the # compiler's target. AC_MSG_CHECKING([the compiler's target]) if test -z "$CC"; then cc=gcc else cc=$CC fi cc_target=`$cc -v 2>&1 | sed -n 's/Target: //p'` case "$cc_target" in *-*) host=$cc_target ;; "") AC_MSG_ERROR([Impossible to obtain $cc compiler target. Please explicitly provide --host.]) ;; *) AC_MSG_WARN([Compiler reported non-standard target. Defaulting to $host.]) ;; esac AC_MSG_RESULT([$host]) fi . $srcdir/nt/mingw-cfg.site case $srcdir in /* | ?:*) # srcdir is an absolute path. In this case, force the format # "/c/foo/bar", to simplify later conversions to native Windows # format ("c:/foo/bar"). srcdir=`cd "${srcdir}" && pwd -W` # 'eval' pacifies strict POSIX non-MinGW shells (Bug#18612). eval 'srcdir="/${srcdir:0:1}${srcdir:2}"' ;; esac;; esac canonical=$host configuration=${host_alias-${build_alias-$host}} dnl Support for --program-prefix, --program-suffix and dnl --program-transform-name options AC_ARG_PROGRAM dnl It is important that variables on the RHS not be expanded here, dnl hence the single quotes. This is per the GNU coding standards, see dnl (autoconf) Installation Directory Variables dnl See also epaths.h below. lispdir='${datadir}/emacs/${version}/lisp' standardlisppath='${lispdir}' locallisppath='${datadir}/emacs/${version}/site-lisp:'\ '${datadir}/emacs/site-lisp' lisppath='${locallisppath}:${standardlisppath}' etcdir='${datadir}/emacs/${version}/etc' archlibdir='${libexecdir}/emacs/${version}/${configuration}' etcdocdir='${datadir}/emacs/${version}/etc' gamedir='${localstatedir}/games/emacs' dnl Special option to disable the most of other options. AC_ARG_WITH(all, [AS_HELP_STRING([--without-all], [omit almost all features and build small executable with minimal dependencies])], [with_features=$withval], [with_features=yes]) dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING) dnl Create a new --with option that defaults to being disabled. dnl NAME is the base name of the option. The shell variable with_NAME dnl will be set to either the user's value (if the option is dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the dnl option is not specified). Note that the shell variable name is dnl constructed as autoconf does, by replacing non-alphanumeric dnl characters with "_". dnl HELP-STRING is the help text for the option. AC_DEFUN([OPTION_DEFAULT_OFF], [dnl AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl ])dnl dnl OPTION_DEFAULT_ON(NAME, HELP-STRING) dnl Create a new --with option that defaults to $with_features. dnl NAME is the base name of the option. The shell variable with_NAME dnl will be set either to 'no' (for a plain --without-NAME) or to dnl 'yes' (if the option is not specified). Note that the shell dnl variable name is constructed as autoconf does, by replacing dnl non-alphanumeric characters with "_". dnl HELP-STRING is the help text for the option. AC_DEFUN([OPTION_DEFAULT_ON], [dnl AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl ])dnl OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail]) if test "$with_pop" = yes; then AC_DEFINE(MAIL_USE_POP) fi AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP]) if test "$with_kerberos" != no; then AC_DEFINE(KERBEROS) fi AH_TEMPLATE(KERBEROS, [Define to support Kerberos-authenticated POP mail retrieval.])dnl OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP]) if test "${with_kerberos5}" != no; then if test "${with_kerberos}" = no; then with_kerberos=yes AC_DEFINE(KERBEROS) fi AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.]) fi OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host]) dnl FIXME hesiod support may not be present, so it seems like an error dnl to define, or at least use, this unconditionally. if test "$with_hesiod" != no; then AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.]) fi OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading]) if test "$with_mail_unlink" != no; then AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.]) fi AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME], [string giving default POP mail host])], AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.])) AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE], [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no; default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW, Cygwin.])], [ case "${withval}" in yes|no|alsa|oss|bsd-ossaudio) val=$withval ;; *) AC_MSG_ERROR(['--with-sound=$withval' is invalid; this option's value should be 'yes', 'no', 'alsa', 'oss', or 'bsd-ossaudio'.]) ;; esac with_sound=$val ], [with_sound=$with_features]) dnl FIXME currently it is not the last. dnl This should be the last --with option, because --with-x is dnl added later on when we find the file name of X, and it's best to dnl keep them together visually. AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT], [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])], [ case "${withval}" in y | ye | yes ) val=gtk ;; n | no ) val=no ;; l | lu | luc | luci | lucid ) val=lucid ;; a | at | ath | athe | athen | athena ) val=athena ;; m | mo | mot | moti | motif ) val=motif ;; g | gt | gtk ) val=gtk ;; gtk2 ) val=gtk2 ;; gtk3 ) val=gtk3 ;; * ) AC_MSG_ERROR(['--with-x-toolkit=$withval' is invalid; this option's value should be 'yes', 'no', 'lucid', 'athena', 'motif', 'gtk', 'gtk2' or 'gtk3'. 'yes' and 'gtk' are synonyms. 'athena' and 'lucid' are synonyms.]) ;; esac with_x_toolkit=$val ]) OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit); allows buffer and string size up to 2GB on 32-bit hosts, at the cost of 10% to 30% slowdown of Lisp interpreter and larger memory footprint]) if test "$with_wide_int" = yes; then AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.]) fi dnl _ON results in a '--without' option in the --help output, so dnl the help text should refer to "don't compile", etc. with_xpm_set=${with_xpm+set} OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support]) OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support]) OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support]) OPTION_DEFAULT_ON([gif],[don't compile with GIF image support]) OPTION_DEFAULT_ON([png],[don't compile with PNG image support]) OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support]) OPTION_DEFAULT_ON([libsystemd],[don't compile with libsystemd support]) OPTION_DEFAULT_OFF([cairo],[compile with Cairo drawing (experimental)]) OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support]) OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support]) OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts]) OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support]) OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping]) OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars]) OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d]) OPTION_DEFAULT_ON([xim],[don't use X11 XIM]) AC_ARG_WITH([ns],[AS_HELP_STRING([--with-ns], [use Nextstep (OS X Cocoa or GNUstep) windowing system. On by default on Mac OS X.])],[],[with_ns=maybe]) OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build]) OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console]) OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support]) OPTION_DEFAULT_ON([gconf],[don't compile with GConf support]) OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support]) OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support]) OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support]) OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support]) OPTION_DEFAULT_OFF([modules],[compile with dynamic modules support]) AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB], [use a file notification library (LIB one of: yes, inotify, kqueue, gfile, w32, no)])], [ case "${withval}" in y | ye | yes ) val=yes ;; n | no ) val=no ;; i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;; k | kq | kqu | kque | kqueu | kqueue ) val=kqueue ;; g | gf | gfi | gfil | gfile ) val=gfile ;; w | w3 | w32 ) val=w32 ;; * ) AC_MSG_ERROR(['--with-file-notification=$withval' is invalid; this option's value should be 'yes', 'no', 'inotify', 'kqueue', 'gfile' or 'w32'. 'yes' is a synonym for 'w32' on MS-Windows, for 'no' on Nextstep, otherwise for the first of 'inotify', 'kqueue' or 'gfile' that is usable.]) ;; esac with_file_notification=$val ], [with_file_notification=$with_features]) OPTION_DEFAULT_OFF([xwidgets], [enable use of some gtk widgets in Emacs buffers (requires gtk3)]) ## For the times when you want to build Emacs but don't have ## a suitable makeinfo, and can live without the manuals. dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals]) ## This might be a 'configure' arg. AC_SUBST([ACLOCAL_PATH]) ## Makefile.in needs the cache file name. AC_SUBST(cache_file) ## This is an option because I do not know if all info/man support ## compressed files, nor how to test if they do so. OPTION_DEFAULT_ON([compress-install], [don't compress some files (.el, .info, etc.) when installing. Equivalent to: make GZIP_PROG= install]) AC_ARG_WITH(gameuser,dnl [AS_HELP_STRING([--with-gameuser=USER_OR_GROUP], [user for shared game score files. An argument prefixed by ':' specifies a group instead.])]) gameuser= gamegroup= # We don't test if we can actually chown/chgrp here, because configure # may run without root privileges. lib-src/Makefile.in will handle # any errors due to missing user/group gracefully. case ${with_gameuser} in no) ;; "" | yes) gamegroup=games ;; :*) gamegroup=${with_gameuser#:} ;; *) gameuser=${with_gameuser} ;; esac AC_ARG_WITH([gnustep-conf],dnl [AS_HELP_STRING([--with-gnustep-conf=FILENAME], [name of GNUstep configuration file to use on systems where the command 'gnustep-config' does not work; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])]) test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \ GNUSTEP_CONFIG_FILE="${with_gnustep_conf}" test "X$GNUSTEP_CONFIG_FILE" = "X" && \ GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf AC_ARG_ENABLE(ns-self-contained, [AS_HELP_STRING([--disable-ns-self-contained], [disable self contained build under NeXTstep])], EN_NS_SELF_CONTAINED=$enableval, EN_NS_SELF_CONTAINED=yes) locallisppathset=no AC_ARG_ENABLE(locallisppath, [AS_HELP_STRING([--enable-locallisppath=PATH], [directories Emacs should search for lisp files specific to this site])], if test "${enableval}" = "no"; then locallisppath= elif test "${enableval}" != "yes"; then locallisppath=${enableval} locallisppathset=yes fi) AC_ARG_ENABLE(checking, [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@], [enable expensive run-time checks. With LIST, enable only specific categories of checks. Categories are: all,yes,no. Flags are: stringbytes, stringoverrun, stringfreelist, xmallocoverrun, conslist, glyphs])], [ac_checking_flags="${enableval}"],[]) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS," for check in $ac_checking_flags do case $check in # these set all the flags to specific states yes) ac_enable_checking=1 ;; no) ac_enable_checking= ; ac_gc_check_stringbytes= ; ac_gc_check_string_overrun= ; ac_gc_check_string_free_list= ; ac_xmalloc_overrun= ; ac_gc_check_cons_list= ; ac_glyphs_debug= ;; all) ac_enable_checking=1 ; ac_gc_check_stringbytes=1 ; ac_gc_check_string_overrun=1 ; ac_gc_check_string_free_list=1 ; ac_xmalloc_overrun=1 ; ac_gc_check_cons_list=1 ; ac_glyphs_debug=1 ;; # these enable particular checks stringbytes) ac_gc_check_stringbytes=1 ;; stringoverrun) ac_gc_check_string_overrun=1 ;; stringfreelist) ac_gc_check_string_free_list=1 ;; xmallocoverrun) ac_xmalloc_overrun=1 ;; conslist) ac_gc_check_cons_list=1 ;; glyphs) ac_glyphs_debug=1 ;; *) AC_MSG_ERROR(unknown check category $check) ;; esac done IFS="$ac_save_IFS" if test x$ac_enable_checking != x ; then AC_DEFINE(ENABLE_CHECKING, 1, [Define to 1 if expensive run-time data type and consistency checks are enabled.]) fi if test x$ac_gc_check_stringbytes != x ; then AC_DEFINE(GC_CHECK_STRING_BYTES, 1, [Define this temporarily to hunt a bug. If defined, the size of strings is redundantly recorded in sdata structures so that it can be compared to the sizes recorded in Lisp strings.]) fi if test x$ac_gc_check_string_overrun != x ; then AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1, [Define this to check for short string overrun.]) fi if test x$ac_gc_check_string_free_list != x ; then AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1, [Define this to check the string free list.]) fi if test x$ac_xmalloc_overrun != x ; then AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1, [Define this to check for malloc buffer overrun.]) fi if test x$ac_gc_check_cons_list != x ; then AC_DEFINE(GC_CHECK_CONS_LIST, 1, [Define this to check for errors in cons list.]) fi if test x$ac_glyphs_debug != x ; then AC_DEFINE(GLYPH_DEBUG, 1, [Define this to enable glyphs debugging code.]) fi AC_ARG_ENABLE(check-lisp-object-type, [AS_HELP_STRING([--enable-check-lisp-object-type], [enable compile time checks for the Lisp_Object data type. This is useful for development for catching certain types of bugs.])], if test "${enableval}" != "no"; then AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1, [Define this to enable compile time checks for the Lisp_Object data type.]) fi) dnl The name of this option is unfortunate. It predates, and has no dnl relation to, the "sampling-based elisp profiler" added in 24.3. dnl Actually, it stops it working. dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html AC_ARG_ENABLE(profiling, [AS_HELP_STRING([--enable-profiling], [build emacs with low-level, gprof profiling support. Mainly useful for debugging Emacs itself. May not work on all platforms. Stops profiler.el working.])], [ac_enable_profiling="${enableval}"],[]) if test x$ac_enable_profiling != x ; then PROFILING_CFLAGS="-DPROFILING=1 -pg" else PROFILING_CFLAGS= fi AC_SUBST(PROFILING_CFLAGS) AC_ARG_ENABLE(autodepend, [AS_HELP_STRING([--enable-autodepend], [automatically generate dependencies to .h-files. Requires gcc, enabled if found.])], [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes]) AC_ARG_ENABLE(gtk-deprecation-warnings, [AS_HELP_STRING([--enable-gtk-deprecation-warnings], [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])], [ac_enable_gtk_deprecation_warnings="${enableval}"],[]) BUILD_DETAILS= AC_ARG_ENABLE([build-details], [AS_HELP_STRING([--disable-build-details], [Make the build more deterministic by omitting host names, time stamps, etc. from the output.])], [test "$enableval" = no && BUILD_DETAILS=--no-build-details]) AC_SUBST([BUILD_DETAILS]) dnl This used to use changequote, but, apart from 'changequote is evil' dnl per the autoconf manual, we can speed up autoconf somewhat by quoting dnl the great gob of text. Thus it's not processed for possible expansion. dnl Just make sure the brackets remain balanced. dnl dnl Since Emacs can't find matching pairs of quotes, boundaries are dnl indicated by comments. dnl quotation begins [ ### If you add support for a new configuration, add code to this ### switch statement to recognize your configuration name and select ### the appropriate opsys. ### As far as handling version numbers on operating systems is ### concerned, make sure things will fail in a fixable way. If ### /etc/MACHINES doesn't say anything about version numbers, be ### prepared to handle anything reasonably. If version numbers ### matter, be sure /etc/MACHINES says something about it. opsys='' unported=no case "${canonical}" in ## GNU/Linux and similar ports *-*-linux* ) opsys=gnu-linux ;; ## FreeBSD ports *-*-freebsd* ) opsys=freebsd ;; ## DragonFly ports *-*-dragonfly* ) opsys=dragonfly ;; ## FreeBSD kernel + glibc based userland *-*-kfreebsd*gnu* ) opsys=gnu-kfreebsd ;; ## NetBSD ports *-*-netbsd* ) opsys=netbsd ;; ## OpenBSD ports *-*-openbsd* | *-*-mirbsd* ) opsys=openbsd ;; ## Apple Darwin / Mac OS X *-apple-darwin* ) case "${canonical}" in *-apple-darwin[0-9].*) unported=yes ;; i[3456]86-* | x86_64-* ) ;; * ) unported=yes ;; esac opsys=darwin ## FIXME: Find a way to use Fink if available (Bug#11507). ;; ## Chromium Native Client *-nacl ) opsys=nacl ;; ## Cygwin ports *-*-cygwin ) opsys=cygwin ;; ## HP 9000 series 700 and 800, running HP/UX hppa*-hp-hpux10.2* ) opsys=hpux10-20 ;; hppa*-hp-hpux1[1-9]* ) opsys=hpux11 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS" ;; ## IBM machines rs6000-ibm-aix4.[23]* ) opsys=aix4-2 ;; powerpc-ibm-aix4.[23]* ) opsys=aix4-2 ;; rs6000-ibm-aix[56]* ) opsys=aix4-2 ;; powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* ) opsys=aix4-2 ;; ## Suns *-sun-solaris* \ | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \ | x86_64-*-solaris2* | x86_64-*-sunos5*) case "${canonical}" in i[3456]86-*-* ) ;; amd64-*-*|x86_64-*-*) ;; sparc* ) ;; * ) unported=yes ;; esac case "${canonical}" in *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* ) opsys=sol2-10 emacs_check_sunpro_c=yes ;; *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;; ## Note that Emacs 23.1's NEWS said the following would be dropped. *-sunos5.6* | *-solaris2.6* ) opsys=sol2-6 RANLIB="ar -ts" ;; ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012. *-sunos5.[7-9]* | *-solaris2.[7-9]* ) opsys=sol2-6 emacs_check_sunpro_c=yes ;; esac ## Watch out for a compiler that we know will not work. case "${canonical}" in *-solaris* | *-sunos5* ) if [ "x$CC" = x/usr/ucb/cc ]; then ## /usr/ucb/cc doesn't work; ## we should find some other compiler that does work. unset CC fi ;; *) ;; esac ;; ## Intel 386 machines where we don't care about the manufacturer. i[3456]86-*-* ) case "${canonical}" in *-darwin* ) opsys=darwin ;; *-mingw* ) opsys=mingw32 # MinGW overrides and adds some system headers in nt/inc. GCC_TEST_OPTIONS="-I $srcdir/nt/inc" ;; *-sysv4.2uw* ) opsys=unixware ;; *-sysv5uw* ) opsys=unixware ;; *-sysv5OpenUNIX* ) opsys=unixware ;; ## Otherwise, we'll fall through to the generic opsys code at the bottom. esac ;; # MinGW64 x86_64-*-* ) case "${canonical}" in *-mingw* ) opsys=mingw32 # MinGW overrides and adds some system headers in nt/inc. GCC_TEST_OPTIONS="-I $srcdir/nt/inc" ;; ## Otherwise, we'll fall through to the generic opsys code at the bottom. esac ;; * ) unported=yes ;; esac ### If the code above didn't choose an operating system, just choose ### an operating system based on the configuration name. You really ### only want to use this when you have no idea what the right ### operating system is; if you know what operating systems a machine ### runs, it's cleaner to make it explicit in the case statement ### above. if test x"${opsys}" = x; then case "${canonical}" in *-gnu* ) opsys=gnu ;; * ) unported=yes ;; esac fi ] dnl quotation ends if test $unported = yes; then AC_MSG_ERROR([Emacs does not support '${canonical}' systems. If you think it should, please send a report to ${PACKAGE_BUGREPORT}. Check 'etc/MACHINES' for recognized configuration names.]) fi #### Choose a compiler. dnl Don't bother to test for C89. AC_DEFUN([_AC_PROG_CC_C89], [$2]) dnl Sets GCC=yes if using gcc. AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"]) if test -n "$XCRUN"; then AC_CHECK_PROGS(AR, [ar "$XCRUN ar"]) test -n "$AR" && export AR fi dnl Emacs needs C99 or later. gl_PROG_CC_C99 AM_PROG_CC_C_O if test x$GCC = xyes; then test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS" fi dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the dnl alternative to lib/gnulib.mk, so as to avoid generating header files dnl that clash with MinGW. AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"]) # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it. AC_DEFUN([gl_CRYPTO_CHECK]) # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW, # as we don't use them. AC_DEFUN([gl_FCNTL_O_FLAGS]) # Avoid gnulib's test for pthread_sigmask. funcs= for func in $ac_func_list; do test $func = pthread_sigmask || AS_VAR_APPEND([funcs], [" $func"]) done ac_func_list=$funcs # Use the system putenv even if it lacks GNU features, as we don't need them, # and the gnulib replacement runs afoul of a FreeBSD 10.1 bug; see Bug#19874. AC_CHECK_FUNCS_ONCE([putenv]) AC_DEFUN([gl_FUNC_PUTENV], [test "$ac_cv_func_putenv" = yes || REPLACE_PUTENV=1]) # Initialize gnulib right after choosing the compiler. dnl Amongst other things, this sets AR and ARFLAGS. gl_EARLY if test "$ac_test_CFLAGS" != set; then # It's helpful to have C macros available to GDB, so prefer -g3 to -g # if -g3 works and the user does not specify CFLAGS. # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains. case $CFLAGS in '-g') emacs_g3_CFLAGS='-g3';; '-g -O2') emacs_g3_CFLAGS='-g3 -O2';; *) emacs_g3_CFLAGS='';; esac if test -n "$emacs_g3_CFLAGS"; then emacs_save_CFLAGS=$CFLAGS CFLAGS=$emacs_g3_CFLAGS AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS], [emacs_cv_prog_cc_g3], [AC_LINK_IFELSE([AC_LANG_PROGRAM()], [emacs_cv_prog_cc_g3=yes], [emacs_cv_prog_cc_g3=no])]) if test $emacs_cv_prog_cc_g3 != yes; then CFLAGS=$emacs_save_CFLAGS fi if test $opsys = mingw32; then CFLAGS="$CFLAGS -gdwarf-2" fi fi case $CFLAGS in *-O*) ;; *) # No optimization flag was inferred for this non-GCC compiler. # Try -O. This is needed for xlc on AIX; see Bug#14258. emacs_save_CFLAGS=$CFLAGS test -z "$CFLAGS" || CFLAGS="$CFLAGS " CFLAGS=${CFLAGS}-O AC_CACHE_CHECK([whether $CC accepts -O], [emacs_cv_prog_cc_o], [AC_LINK_IFELSE([AC_LANG_PROGRAM()], [emacs_cv_prog_cc_o=yes], [emacs_cv_prog_cc_o=no])]) if test $emacs_cv_prog_cc_o != yes; then CFLAGS=$emacs_save_CFLAGS fi ;; esac fi # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found]) # --------------------------------------------------------------------------- # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND. # Otherwise, run RUN-IF-NOT-FOUND. AC_DEFUN([gl_GCC_VERSION_IFELSE], [AC_PREPROC_IFELSE( [AC_LANG_PROGRAM( [[ #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__) /* ok */ #else # error "your version of gcc is older than $1.$2" #endif ]]), ], [$3], [$4]) ] ) AC_ARG_ENABLE([gcc-warnings], [AS_HELP_STRING([--enable-gcc-warnings@<:@=TYPE@:>@], [control generation of GCC warnings. The TYPE 'yes' means to fail if any warnings are issued; 'warn-only' means issue warnings without failing (default for developer builds); 'no' means disable warnings (default for non-developer builds).])], [case $enableval in yes|no|warn-only) ;; *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;; esac gl_gcc_warnings=$enableval], [# By default, use 'warn-only' if it looks like the invoker of 'configure' # is a developer as opposed to a builder. This is most likely true # if GCC is recent enough and there is a .git directory or file; # however, if there is also a .tarball-version file it is probably # just a release imported into Git for patch management. gl_gcc_warnings=no if test -e "$srcdir"/.git && test ! -f "$srcdir"/.tarball-version; then gl_GCC_VERSION_IFELSE([5], [3], [gl_gcc_warnings=warn-only])] fi ) # clang is unduly picky about some things. AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[ #ifndef __clang__ error "not clang"; #endif ]])], [emacs_cv_clang=yes], [emacs_cv_clang=no])]) # When compiling with GCC, prefer -isystem to -I when including system # include files, to avoid generating useless diagnostics for the files. AS_IF([test $gl_gcc_warnings = no], [ isystem='-I' AS_IF([test "$emacs_cv_clang" = yes], [ # Turn off some warnings if supported. gl_WARN_ADD([-Wno-switch]) gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare]) gl_WARN_ADD([-Wno-pointer-sign]) gl_WARN_ADD([-Wno-string-plus-int]) gl_WARN_ADD([-Wno-unknown-attributes]) ]) ],[ isystem='-isystem ' # This, $nw, is the list of warnings we disable. nw= case $with_x_toolkit in lucid | athena | motif) # Old toolkits mishandle 'const'. nw="$nw -Wwrite-strings" ;; esac AS_IF([test $gl_gcc_warnings = yes], [gl_WARN_ADD([-Werror], [WERROR_CFLAGS])]) AC_SUBST([WERROR_CFLAGS]) nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings nw="$nw -Woverlength-strings" # Not a problem these days nw="$nw -Wformat-nonliteral" # we do this a lot nw="$nw -Wvla" # Emacs uses . nw="$nw -Wswitch-default" # Too many warnings for now nw="$nw -Wunused-const-variable=2" # lisp.h declares const objects. nw="$nw -Winline" # OK to ignore 'inline' nw="$nw -Wstrict-overflow" # OK to optimize assuming that # signed overflow has undefined behavior nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations nw="$nw -Wbad-function-cast" # These casts are no worse than others. # Emacs doesn't care about shadowing; see # . nw="$nw -Wshadow" # Emacs's use of alloca inhibits protecting the stack. nw="$nw -Wstack-protector" # Emacs's use of partly-const functions such as Fgnutls_available_p # make this option problematic. nw="$nw -Wsuggest-attribute=const" # Emacs's use of partly-pure functions such as CHECK_TYPE make this # option problematic. nw="$nw -Wsuggest-attribute=pure" # This part is merely for shortening the command line, # since -Wall implies -Wswitch. nw="$nw -Wswitch" # This part is merely for shortening the command line, # since -Wno-FOO needs to be added below regardless. nw="$nw -Wmissing-field-initializers" nw="$nw -Wtype-limits" nw="$nw -Wunused-parameter" if test $emacs_cv_clang = yes; then nw="$nw -Wcast-align" fi # This causes too much noise in the MinGW build if test $opsys = mingw32; then nw="$nw -Wpointer-sign" fi gl_MANYWARN_ALL_GCC([ws]) gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw]) for w in $ws; do gl_WARN_ADD([$w]) done gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison. gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now gl_WARN_ADD([-Wno-format-nonliteral]) # More things that clang is unduly picky about. if test $emacs_cv_clang = yes; then gl_WARN_ADD([-Wno-tautological-compare]) gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare]) fi # This causes too much noise in the MinGW build if test $opsys = mingw32; then gl_WARN_ADD([-Wno-pointer-sign]) fi AC_DEFINE([GCC_LINT], [1], [Define to 1 if --enable-gcc-warnings.]) AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks]) AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE], [/* Enable compile-time and run-time bounds-checking, and some warnings, without upsetting glibc 2.15+. */ #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \ && defined __OPTIMIZE__ && __OPTIMIZE__) # define _FORTIFY_SOURCE 2 #endif ]) # We use a slightly smaller set of warning options for lib/. # Remove the following and save the result in GNULIB_WARN_CFLAGS. nw= nw="$nw -Wunused-macros" gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw]) AC_SUBST([GNULIB_WARN_CFLAGS]) ]) edit_cflags=" s,///*,/,g s/^/ / s/ -I/ $isystem/g s/^ // " AC_ARG_ENABLE(link-time-optimization, [AS_HELP_STRING([--enable-link-time-optimization], [build emacs with link-time optimization. This requires GCC 4.5.0 or later, or clang. (Note that clang support is experimental - see INSTALL.) It also makes Emacs harder to debug, and when we tried it with GCC 4.9.0 x86-64 it made Emacs slower, so it's not recommended for typical use.])], if test "${enableval}" != "no"; then ac_lto_supported=no if test $emacs_cv_clang = yes; then AC_MSG_CHECKING([whether link-time optimization is supported by clang]) GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null` if test -x "$GOLD_PLUGIN"; then LTO="-flto" fi elif test x$GCC = xyes; then AC_MSG_CHECKING([whether link-time optimization is supported by gcc]) CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null` if test x$CPUS != x; then LTO="-flto=$CPUS" else LTO="-flto" fi else AC_MSG_ERROR([Link-time optimization is not supported with your compiler.]) fi if test -z "$LTO"; then ac_lto_supported=no else old_CFLAGS=$CFLAGS CFLAGS="$CFLAGS $LTO" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], [ac_lto_supported=yes], [ac_lto_supported=no]) CFLAGS="$old_CFLAGS" fi AC_MSG_RESULT([$ac_lto_supported]) if test "$ac_lto_supported" = "yes"; then CFLAGS="$CFLAGS $LTO" if test x$emacs_cv_clang = xyes; then AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang]) # WARNING: 'ar --plugin ...' doesn't work without # command, so plugin name is appended to ARFLAGS. ARFLAGS="cru --plugin $GOLD_PLUGIN" RANLIB="$RANLIB --plugin $GOLD_PLUGIN" else dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar dnl dump core on Fedora 20, so play it safe for now. gl_COMPILER_OPTION_IF([-ffat-lto-objects], [CFLAGS="$CFLAGS -ffat-lto-objects"]) fi fi fi) dnl Prefer silent make output. For verbose output, use dnl 'configure --disable-silent-rules' or 'make V=1' . AM_SILENT_RULES([yes]) dnl Port to Automake 1.11. dnl This section can be removed once we assume Automake 1.14 or later. : ${AM_V=$AM_DEFAULT_VERBOSITY} : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY} AC_SUBST([AM_V]) AM_SUBST_NOTMAKE([AM_V]) AC_SUBST([AM_DEFAULT_V]) AM_SUBST_NOTMAKE([AM_DEFAULT_V]) AC_SUBST([AM_DEFAULT_VERBOSITY]) dnl Some other nice autoconf tests. dnl These are commented out, since gl_EARLY and/or Autoconf already does them. dnl AC_PROG_INSTALL dnl AC_PROG_MKDIR_P dnl if test "x$RANLIB" = x; then dnl AC_PROG_RANLIB dnl fi dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links dnl can be made to directories. This is not relevant for our usage, and dnl excludes some cases that work fine for us. Eg MS Windows or files dnl hosted on AFS, both examples where simple links work, but links to dnl directories fail. We use a cut-down version instead. dnl AC_PROG_LN_S AC_MSG_CHECKING([whether ln -s works for files in the same directory]) rm -f conf$$ conf$$.file LN_S_FILEONLY='cp -p' dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some dnl random program in the current directory. if (echo >conf$$.file) 2>/dev/null; then if ln -s conf$$.file conf$$ 2>/dev/null; then if test "$opsys" = "mingw32"; then LN_S_FILEONLY='/bin/ln -s' else LN_S_FILEONLY='ln -s' fi elif ln conf$$.file conf$$ 2>/dev/null; then if test "$opsys" = "mingw32"; then LN_S_FILEONLY=/bin/ln else LN_S_FILEONLY=ln fi fi fi rm -f conf$$ conf$$.file if test "$LN_S_FILEONLY" = "ln -s"; then AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no, using $LN_S_FILEONLY]) fi AC_SUBST(LN_S_FILEONLY) dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln' dnl doesn't support links to directories, as in "ln file dir". But that dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs dnl executables at "make install" time. dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html dnl for more details. if test "$opsys" = "mingw32"; then LN_S="/bin/ln" fi dnl On some Debian versions, "install-info" prints irritating messages dnl "This is not dpkg install-info anymore, but GNU install-info" dnl if called via an absolute file name. dnl Use the entirely-identical-but-quieter ginstall-info instead if present. dnl Sadly some people may have an old ginstall-info installed on dnl non-Debian systems, so we can't use this. dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :, dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin) AC_PATH_PROG(INSTALL_INFO, install-info, :, $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin) dnl Don't use GZIP, which is used by gzip for additional parameters. AC_PATH_PROG(GZIP_PROG, gzip) test $with_compress_install != yes && test -n "$GZIP_PROG" && \ GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)" PAXCTL_dumped= PAXCTL_notdumped= if test $opsys = gnu-linux; then if test "${SETFATTR+set}" != set; then AC_CACHE_CHECK([for setfattr], [emacs_cv_prog_setfattr], [touch conftest.tmp if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then emacs_cv_prog_setfattr=yes else emacs_cv_prog_setfattr=no fi]) if test "$emacs_cv_prog_setfattr" = yes; then PAXCTL_notdumped='$(SETFATTR) -n user.pax.flags -v er' SETFATTR=setfattr else SETFATTR= fi rm -f conftest.tmp AC_SUBST([SETFATTR]) fi fi case $opsys,$PAXCTL_notdumped in gnu-linux, | netbsd,) AC_PATH_PROG([PAXCTL], [paxctl], [], [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin]) if test -n "$PAXCTL"; then if test "$opsys" = netbsd; then PAXCTL_dumped='$(PAXCTL) +a' PAXCTL_notdumped=$PAXCTL_dumped else AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header]) AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) PAXCTL= fi]) if test -n "$PAXCTL"; then PAXCTL_dumped='$(PAXCTL) -zex' PAXCTL_notdumped='$(PAXCTL) -r' fi fi fi;; esac AC_SUBST([PAXCTL_dumped]) AC_SUBST([PAXCTL_notdumped]) ## Need makeinfo >= 4.7 (?) to build the manuals. if test "$MAKEINFO" != "no"; then if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then MAKEINFO=makeinfo fi case `($MAKEINFO --version) 2>/dev/null` in *' (GNU texinfo) '4.[[7-9]]* | \ *' (GNU texinfo) '4.[[1-9][0-9]]* | \ *' (GNU texinfo) '[[5-9]]* | \ *' (GNU texinfo) '[[1-9][0-9]]* ) ;; *) MAKEINFO=no;; esac fi ## Makeinfo is unusual. For a released Emacs, the manuals are ## pre-built, and not deleted by the normal clean rules. makeinfo is ## therefore in the category of "special tools" not normally required, which ## configure does not have to check for (eg autoconf itself). ## In a repository checkout on the other hand, the manuals are not included. ## So makeinfo is a requirement to build from the repository, and configure ## should test for it as it does for any other build requirement. ## We use the presence of $srcdir/info/emacs to distinguish a release, ## with pre-built manuals, from a repository checkout. HAVE_MAKEINFO=yes if test "$MAKEINFO" = "no"; then MAKEINFO=makeinfo if test "x${with_makeinfo}" = "xno"; then HAVE_MAKEINFO=no elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your source tree does not seem to have pre-built manuals in the 'info' directory. Either install a suitable version of makeinfo, or re-run configure with the '--without-makeinfo' option to build without the manuals.] ) fi fi AC_SUBST(HAVE_MAKEINFO) if test $opsys = mingw32; then DOCMISC_W32=efaq-w32 else DOCMISC_W32= fi AC_SUBST(DOCMISC_W32) dnl Add our options to ac_link now, after it is set up. if test x$GCC = xyes; then test "x$GCC_LINK_TEST_OPTIONS" != x && \ ac_link="$ac_link $GCC_LINK_TEST_OPTIONS" else test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \ ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS" fi dnl We need -znocombreloc if we're using a relatively recent GNU ld. dnl If we can link with the flag, it shouldn't do any harm anyhow. dnl Treat GCC specially since it just gives a non-fatal 'unrecognized option' dnl if not built to support GNU ld. dnl For a long time, -znocombreloc was added to LDFLAGS rather than dnl LD_SWITCH_SYSTEM_TEMACS. That is: dnl * inappropriate, as LDFLAGS is a user option but this is essential. dnl Eg "make LDFLAGS=... all" could run into problems, dnl http://bugs.debian.org/684788 dnl * unnecessary, since temacs is the only thing that actually needs it. dnl Indeed this is where it was originally, prior to: dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html late_LDFLAGS="$LDFLAGS" if test x$GCC = xyes; then LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc" else LDFLAGS_NOCOMBRELOC="-znocombreloc" fi LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC" AC_MSG_CHECKING([for -znocombreloc]) AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [AC_MSG_RESULT(yes)], LDFLAGS_NOCOMBRELOC= [AC_MSG_RESULT(no)]) LDFLAGS="$late_LDFLAGS" AC_CACHE_CHECK([whether addresses are sanitized], [emacs_cv_sanitize_address], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[#ifndef __has_feature #define __has_feature(f) 0 #endif #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer) #else error "Addresses are not sanitized."; #endif ]])], [emacs_cv_sanitize_address=yes], [emacs_cv_sanitize_address=no])]) dnl The function dump-emacs will not be defined and temacs will do dnl (load "loadup") automatically unless told otherwise. test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no case "$opsys" in nacl) CANNOT_DUMP=yes ;; esac if test "$CANNOT_DUMP" = "yes"; then AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.]) elif test "$emacs_cv_sanitize_address" = yes; then AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]]) fi AC_SUBST(CANNOT_DUMP) UNEXEC_OBJ=unexelf.o case "$opsys" in # MSDOS uses unexcoff.o aix4-2) UNEXEC_OBJ=unexaix.o ;; cygwin) UNEXEC_OBJ=unexcw.o ;; darwin) UNEXEC_OBJ=unexmacosx.o ;; hpux10-20 | hpux11) UNEXEC_OBJ=unexhp9k800.o ;; mingw32) UNEXEC_OBJ=unexw32.o ;; sol2-10) # Use the Solaris dldump() function, called from unexsol.c, to dump # emacs, instead of the generic ELF dump code found in unexelf.c. # The resulting binary has a complete symbol table, and is better # for debugging and other observability tools (debuggers, pstack, etc). # # If you encounter a problem using dldump(), please consider sending # a message to the OpenSolaris tools-linking mailing list: # http://mail.opensolaris.org/mailman/listinfo/tools-linking # # It is likely that dldump() works with older Solaris too, but this has # not been tested, so for now this change is for Solaris 10 or newer. UNEXEC_OBJ=unexsol.o ;; esac LD_SWITCH_SYSTEM= case "$opsys" in freebsd|dragonfly) ## Let 'ld' find image libs and similar things in /usr/local/lib. ## The system compiler, GCC, has apparently been modified to not ## look there, contrary to what a stock GCC would do. ### It's not our place to do this. See bug#10313#17. ### LD_SWITCH_SYSTEM=-L/usr/local/lib : ;; gnu-linux) ## cpp test was "ifdef __mips__", but presumably this is equivalent... case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac ;; netbsd) ### It's not our place to do this. See bug#10313#17. ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib" : ;; openbsd) ## Han Boetes says this is necessary, ## otherwise Emacs dumps core on elf systems. LD_SWITCH_SYSTEM="-Z" ;; esac AC_SUBST(LD_SWITCH_SYSTEM) ac_link="$ac_link $LD_SWITCH_SYSTEM" ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH, ## which has not been defined yet. When this was handled with cpp, ## it was expanded to null when configure sourced the s/*.h file. ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles. ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS ## (or somesuch), but because it is supposed to go at the _front_ ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way. ## Compare with the gnu-linux case below, which added to the end ## of LD_SWITCH_SYSTEM, and so can instead go at the front of ## LD_SWITCH_SYSTEM_TEMACS. case "$opsys" in netbsd|openbsd) LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;; esac C_SWITCH_MACHINE= case $canonical in alpha*) AC_CHECK_DECL([__ELF__]) if test "$ac_cv_have_decl___ELF__" = "yes"; then ## With ELF, make sure that all common symbols get allocated to in the ## data section. Otherwise, the dump of temacs may miss variables in ## the shared library that have been initialized. For example, with ## GNU libc, __malloc_initialized would normally be resolved to the ## shared library's .bss section, which is fatal. if test "x$GCC" = "xyes"; then C_SWITCH_MACHINE="-fno-common" else AC_MSG_ERROR([Non-GCC compilers are not supported.]) fi else dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24, dnl albeit under the mistaken assumption that said file dnl was no longer used. AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.]) fi ;; esac AC_SUBST(C_SWITCH_MACHINE) AC_SUBST(UNEXEC_OBJ) C_SWITCH_SYSTEM= ## Some programs in src produce warnings saying certain subprograms ## are too complex and need a MAXMEM value greater than 2000 for ## additional optimization. --nils@exp-math.uni-essen.de test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \ C_SWITCH_SYSTEM="-ma -qmaxmem=4000" if test "$opsys" = "mingw32"; then case "$canonical" in x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;; *) C_SWITCH_SYSTEM="-mtune=pentium4" ;; esac fi ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems. ## It is redundant in glibc2, since we define _GNU_SOURCE. AC_SUBST(C_SWITCH_SYSTEM) LIBS_SYSTEM= case "$opsys" in ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2. aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;; freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;; hpux*) LIBS_SYSTEM="-l:libdld.sl" ;; sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;; ## Motif needs -lgen. unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;; esac AC_SUBST(LIBS_SYSTEM) ### Make sure subsequent tests use flags consistent with the build flags. if test x"${OVERRIDE_CPPFLAGS}" != x; then CPPFLAGS="${OVERRIDE_CPPFLAGS}" else CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS" fi # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better. AC_DEFUN([AC_TYPE_SIZE_T]) # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them. AC_DEFUN([AC_TYPE_UID_T]) # sqrt and other floating-point functions such as fmod and frexp # are found in -lm on many systems. OLD_LIBS=$LIBS AC_SEARCH_LIBS([sqrt], [m]) if test "X$LIBS" = "X$OLD_LIBS"; then LIB_MATH= else LIB_MATH=$ac_cv_search_sqrt fi LIBS=$OLD_LIBS dnl Current possibilities handled by sed (aix4-2 -> aix, dnl gnu-linux -> gnu/linux, etc.): dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux. dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt. SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'` case $opsys in cygwin ) LIB_MATH= ;; darwin ) ## Adding -lm confuses the dynamic linker, so omit it. LIB_MATH= ;; freebsd | dragonfly ) SYSTEM_TYPE=berkeley-unix ;; gnu-linux | gnu-kfreebsd ) ;; hpux10-20 | hpux11 ) ;; mingw32 ) LIB_MATH= SYSTEM_TYPE=windows-nt ;; dnl NB this may be adjusted below. netbsd | openbsd ) SYSTEM_TYPE=berkeley-unix ;; sol2* | unixware ) SYSTEM_TYPE=usg-unix-v ;; esac AC_SUBST(LIB_MATH) AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE", [The type of system you are compiling for; sets 'system-type'.]) pre_PKG_CONFIG_CFLAGS=$CFLAGS pre_PKG_CONFIG_LIBS=$LIBS PKG_PROG_PKG_CONFIG(0.9.0) dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4) dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page -- dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings. dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no dnl actions. AC_DEFUN([EMACS_CHECK_MODULES], [PKG_CHECK_MODULES([$1], [$2], [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"` m4_default([$3], [HAVE_$1=yes])], [m4_default([$4], [HAVE_$1=no])])]) HAVE_SOUND=no if test "${with_sound}" != "no"; then # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin. AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h], have_sound_header=yes, [], [ #ifdef __MINGW32__ #define WIN32_LEAN_AND_MEAN #include #endif ]) test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \ AC_MSG_ERROR([OSS sound support requested but not found.]) if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then # Emulation library used on NetBSD. AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=) test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \ AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.]) dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio? dnl Traditionally, we go on to check for alsa too. Does that make sense? fi AC_SUBST(LIBSOUND) if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then ALSA_REQUIRED=1.0.0 ALSA_MODULES="alsa >= $ALSA_REQUIRED" EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES]) if test $HAVE_ALSA = yes; then SAVE_CFLAGS="$CFLAGS" SAVE_LIBS="$LIBS" CFLAGS="$ALSA_CFLAGS $CFLAGS" LIBS="$ALSA_LIBS $LIBS" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[snd_lib_error_set_handler (0);]])], emacs_alsa_normal=yes, emacs_alsa_normal=no) if test "$emacs_alsa_normal" != yes; then AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[snd_lib_error_set_handler (0);]])], emacs_alsa_subdir=yes, emacs_alsa_subdir=no) if test "$emacs_alsa_subdir" != yes; then AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.]) fi ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE" fi CFLAGS="$SAVE_CFLAGS" LIBS="$SAVE_LIBS" LIBSOUND="$LIBSOUND $ALSA_LIBS" CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS" AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.]) elif test "${with_sound}" = "alsa"; then AC_MSG_ERROR([ALSA sound support requested but not found.]) fi fi dnl with_sound = alsa|yes dnl Define HAVE_SOUND if we have sound support. We know it works and dnl compiles only on the specified platforms. For others, it dnl probably doesn't make sense to try. dnl FIXME So surely we should bypass this whole section if not using dnl one of these platforms? if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then case "$opsys" in dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__ dnl Adjust the --with-sound help text if you change this. gnu-linux|freebsd|netbsd|mingw32|cygwin) AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.]) HAVE_SOUND=yes ;; esac fi AC_SUBST(CFLAGS_SOUND) fi dnl checks for header files AC_CHECK_HEADERS_ONCE( linux/fs.h malloc.h sys/systeminfo.h sys/sysinfo.h coff.h pty.h sys/resource.h sys/utsname.h pwd.h utmp.h util.h) AC_CACHE_CHECK([for ADDR_NO_RANDOMIZE], [emacs_cv_personality_addr_no_randomize], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[#include ]], [[personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE)]])], [emacs_cv_personality_addr_no_randomize=yes], [emacs_cv_personality_addr_no_randomize=no])]) if test $emacs_cv_personality_addr_no_randomize = yes; then AC_DEFINE([HAVE_PERSONALITY_ADDR_NO_RANDOMIZE], [1], [Define to 1 if personality flag ADDR_NO_RANDOMIZE exists.]) fi # Note that Solaris has sys/sysinfo.h which defines struct # sysinfo as well. To make sure that we're using GNU/Linux # sysinfo, we explicitly set one of its fields. if test "$ac_cv_header_sys_sysinfo_h" = yes; then AC_MSG_CHECKING([if Linux sysinfo may be used]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[struct sysinfo si; si.totalram = 0; sysinfo (&si)]])], emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no) AC_MSG_RESULT($emacs_cv_linux_sysinfo) if test $emacs_cv_linux_sysinfo = yes; then AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[struct sysinfo si; return si.mem_unit]])], AC_DEFINE(LINUX_SYSINFO_UNIT, 1, [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.])) fi fi dnl On Solaris 8 there's a compilation warning for term.h because dnl it doesn't define 'bool'. AC_CHECK_HEADERS(term.h, , , -) AC_HEADER_TIME AC_CHECK_DECLS([sys_siglist], [], [], [[#include ]]) if test $ac_cv_have_decl_sys_siglist != yes; then # For Tru64, at least: AC_CHECK_DECLS([__sys_siglist], [], [], [[#include ]]) fi AC_HEADER_SYS_WAIT AC_CHECK_HEADERS_ONCE(sys/socket.h) AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT #if HAVE_SYS_SOCKET_H #include #endif]) AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT #if HAVE_SYS_SOCKET_H #include #endif]) AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT #if HAVE_SYS_SOCKET_H #include #endif]) dnl checks for structure members AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr, struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr, struct ifreq.ifr_addr, struct ifreq.ifr_addr.sa_len], , , [AC_INCLUDES_DEFAULT #if HAVE_SYS_SOCKET_H #include #endif #if HAVE_NET_IF_H #include #endif]) dnl Check for endianness. dnl AC_C_BIGENDIAN is done by gnulib. dnl check for Make feature AUTO_DEPEND=no dnl check if we have GCC and autodepend is on. if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then AC_MSG_CHECKING([whether gcc understands -MMD -MF]) SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -MMD -MF deps.d -MP" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no) CFLAGS="$SAVE_CFLAGS" test -f deps.d || ac_enable_autodepend=no rm -rf deps.d AC_MSG_RESULT([$ac_enable_autodepend]) if test $ac_enable_autodepend = yes; then AUTO_DEPEND=yes fi fi AC_SUBST(AUTO_DEPEND) dnl checks for operating system services AC_SYS_LONG_FILE_NAMES #### Choose a window system. ## We leave window_system equal to none if ## we end up building without one. Any new window system should ## set window_system to an appropriate value and add objects to ## window-system-specific substs. window_system=none AC_PATH_X if test "$no_x" != yes; then window_system=x11 fi LD_SWITCH_X_SITE_RPATH= if test "${x_libraries}" != NONE; then if test -n "${x_libraries}"; then LD_SWITCH_X_SITE=-L`AS_ECHO(["$x_libraries"]) | sed -e 's/:/ -L/g'` LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,` AS_ECHO(["$x_libraries"]) | sed -e 's/:/ -Wl,-rpath,/g' ` fi x_default_search_path="" x_search_path=${x_libraries} if test -z "${x_search_path}"; then x_search_path=/usr/lib fi for x_library in `AS_ECHO(["$x_search_path:"]) | \ sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do x_search_path="\ ${x_library}/X11/%L/%T/%N%C%S:\ ${x_library}/X11/%l/%T/%N%C%S:\ ${x_library}/X11/%T/%N%C%S:\ ${x_library}/X11/%L/%T/%N%S:\ ${x_library}/X11/%l/%T/%N%S:\ ${x_library}/X11/%T/%N%S" if test x"${x_default_search_path}" = x; then x_default_search_path=${x_search_path} else x_default_search_path="${x_search_path}:${x_default_search_path}" fi done fi AC_SUBST(LD_SWITCH_X_SITE_RPATH) if test "${x_includes}" != NONE && test -n "${x_includes}"; then C_SWITCH_X_SITE=$isystem`AS_ECHO(["$x_includes"]) | sed -e "s/:/ $isystem/g"` fi if test x"${x_includes}" = x; then bitmapdir=/usr/include/X11/bitmaps else # accumulate include directories that have X11 bitmap subdirectories bmd_acc= for bmd in `AS_ECHO(["$x_includes"]) | sed -e 's/:/ /g'`; do if test -d "${bmd}/X11/bitmaps"; then bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps" fi if test -d "${bmd}/bitmaps"; then bmd_acc="${bmd_acc}:${bmd}/bitmaps" fi done bitmapdir=${bmd_acc#:} fi test "${with_ns}" = maybe && test "${opsys}" != darwin && with_ns=no HAVE_NS=no NS_GNUSTEP_CONFIG=no NS_IMPL_COCOA=no NS_IMPL_GNUSTEP=no tmp_CPPFLAGS="$CPPFLAGS" tmp_CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS -x objective-c" CFLAGS="$CFLAGS -x objective-c" GNU_OBJC_CFLAGS= LIBS_GNUSTEP= if test "${with_ns}" != no; then if test "${opsys}" = darwin; then NS_IMPL_COCOA=yes ns_appdir=`pwd`/nextstep/Emacs.app ns_appbindir=${ns_appdir}/Contents/MacOS ns_appresdir=${ns_appdir}/Contents/Resources ns_appsrc=Cocoa/Emacs.base ns_fontfile=macfont.o elif flags=$( (gnustep-config --objc-flags) 2>/dev/null); then NS_IMPL_GNUSTEP=yes NS_GNUSTEP_CONFIG=yes GNU_OBJC_CFLAGS=$flags LIBS_GNUSTEP=$(gnustep-config --gui-libs) || exit elif test -f $GNUSTEP_CONFIG_FILE; then NS_IMPL_GNUSTEP=yes dnl FIXME sourcing this several times in subshells seems inefficient. GNUSTEP_SYSTEM_HEADERS=$( . $GNUSTEP_CONFIG_FILE AS_ECHO(["$GNUSTEP_SYSTEM_HEADERS"]) ) GNUSTEP_SYSTEM_LIBRARIES=$( . $GNUSTEP_CONFIG_FILE AS_ECHO(["$GNUSTEP_SYSTEM_LIBRARIES"]) ) dnl I seemed to need these as well with GNUstep-startup 0.25. GNUSTEP_LOCAL_HEADERS=$( . $GNUSTEP_CONFIG_FILE AS_ECHO(["$GNUSTEP_LOCAL_HEADERS"]) ) GNUSTEP_LOCAL_LIBRARIES=$( . $GNUSTEP_CONFIG_FILE AS_ECHO(["$GNUSTEP_LOCAL_LIBRARIES"]) ) test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \ GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}" test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \ GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}" CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}" CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}" LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}" LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread" dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1. dnl If they had chosen to either define it or not, we could have dnl just used AC_CHECK_DECL here. AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS, emacs_cv_objc_exceptions, AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0 1; #else fail; #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) ) if test $emacs_cv_objc_exceptions = yes; then dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers. AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1, [Define if GNUstep uses ObjC exceptions.]) GNU_OBJC_CFLAGS="-fobjc-exceptions" fi fi if test $NS_IMPL_GNUSTEP = yes; then ns_appdir=`pwd`/nextstep/Emacs.app ns_appbindir=${ns_appdir} ns_appresdir=${ns_appdir}/Resources ns_appsrc=GNUstep/Emacs.base ns_fontfile=nsfont.o fi dnl This is only used while we test the NS headers, it gets reset below. CPPFLAGS="$CPPFLAGS $GNU_OBJC_CFLAGS" CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS" AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes], [AC_MSG_ERROR([The include files (AppKit/AppKit.h etc) that are required for a Nextstep build are missing or cannot be compiled. Either fix this, or re-configure with the option '--without-ns'.])]) macfont_file="" if test "${NS_IMPL_COCOA}" = "yes"; then AC_MSG_CHECKING([for OSX 10.6 or newer]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include ], [ #ifdef MAC_OS_X_VERSION_MAX_ALLOWED #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060 ; /* OK */ #else error "OSX 10.6 or newer required"; #endif #endif ])], ns_osx_have_106=yes, ns_osx_have_106=no) AC_MSG_RESULT([$ns_osx_have_106]) if test $ns_osx_have_106 = no; then AC_MSG_ERROR([OSX 10.6 or newer is required]); fi fi fi AC_SUBST(LIBS_GNUSTEP) INSTALL_ARCH_INDEP_EXTRA=install-etc ns_self_contained=no NS_OBJ= NS_OBJC_OBJ= if test "${HAVE_NS}" = yes; then if test "$with_toolkit_scroll_bars" = "no"; then AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.]) fi window_system=nextstep # set up packaging dirs if test "${EN_NS_SELF_CONTAINED}" = yes; then ns_self_contained=yes prefix=${ns_appresdir} exec_prefix=${ns_appbindir} dnl This one isn't really used, only archlibdir is. libexecdir="\${ns_appbindir}/libexec" archlibdir="\${ns_appbindir}/libexec" etcdocdir="\${ns_appresdir}/etc" etcdir="\${ns_appresdir}/etc" dnl FIXME maybe set datarootdir instead. dnl That would also get applications, icons, man. infodir="\${ns_appresdir}/info" mandir="\${ns_appresdir}/man" lispdir="\${ns_appresdir}/lisp" test "$locallisppathset" = no && locallisppath="" INSTALL_ARCH_INDEP_EXTRA= fi NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile" fi CFLAGS="$tmp_CFLAGS" CPPFLAGS="$tmp_CPPFLAGS" AC_SUBST(INSTALL_ARCH_INDEP_EXTRA) AC_SUBST(ns_self_contained) AC_SUBST(NS_OBJ) AC_SUBST(NS_OBJC_OBJ) HAVE_W32=no W32_OBJ= W32_LIBS= EMACSRES= CLIENTRES= CLIENTW= W32_RES_LINK= EMACS_MANIFEST= UPDATE_MANIFEST= if test "${with_w32}" != no; then case "${opsys}" in cygwin) AC_CHECK_HEADER([windows.h], [HAVE_W32=yes], [AC_MSG_ERROR(['--with-w32' was specified, but windows.h cannot be found.])]) ;; mingw32) ## Using --with-w32 with MinGW is a no-op, but we allow it. ;; *) AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.]) ;; esac fi if test "${opsys}" = "mingw32"; then AC_MSG_CHECKING([whether Windows API headers are recent enough]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]], [[PIMAGE_NT_HEADERS pHeader; PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])], [emacs_cv_w32api=yes HAVE_W32=yes], emacs_cv_w32api=no) AC_MSG_RESULT($emacs_cv_w32api) if test "${emacs_cv_w32api}" = "no"; then AC_MSG_ERROR([the Windows API headers are too old to support this build.]) fi fi FIRSTFILE_OBJ= NTDIR= LIBS_ECLIENT= LIB_WSOCK32= NTLIB= CM_OBJ="cm.o" XARGS_LIMIT= if test "${HAVE_W32}" = "yes"; then AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.]) if test "$with_toolkit_scroll_bars" = "no"; then AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for w32 build.]) fi AC_CHECK_TOOL(WINDRES, [windres], [AC_MSG_ERROR([No resource compiler found.])]) W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o" W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o" EMACSRES="emacs.res" case "$canonical" in x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;; *) EMACS_MANIFEST="emacs-x86.manifest" ;; esac dnl Construct something of the form "24,4,0,0" with 4 components. comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'` comma_space_version=`echo "$comma_version" | sed 's/,/, /g'` AC_SUBST(comma_version) AC_SUBST(comma_space_version) AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc]) if test "${opsys}" = "cygwin"; then W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32" W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool" # Tell the linker that emacs.res is an object (which we compile from # the rc file), not a linker script. W32_RES_LINK="-Wl,emacs.res" else UPDATE_MANIFEST=update-game-score.exe.manifest W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o" W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32" W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10" W32_RES_LINK="\$(EMACSRES)" CLIENTRES="emacsclient.res" CLIENTW="emacsclientw\$(EXEEXT)" FIRSTFILE_OBJ=firstfile.o NTDIR=nt CM_OBJ= LIBS_ECLIENT="-lcomctl32" LIB_WSOCK32="-lwsock32" NTLIB="ntlib.$ac_objext" XARGS_LIMIT="-s 10000" fi fi AC_SUBST(W32_OBJ) AC_SUBST(W32_LIBS) AC_SUBST(EMACSRES) AC_SUBST(EMACS_MANIFEST) AC_SUBST(UPDATE_MANIFEST) AC_SUBST(CLIENTRES) AC_SUBST(CLIENTW) AC_SUBST(W32_RES_LINK) AC_SUBST(FIRSTFILE_OBJ) AC_SUBST(NTDIR) AC_SUBST(CM_OBJ) AC_SUBST(LIBS_ECLIENT) AC_SUBST(LIB_WSOCK32) AC_SUBST(NTLIB) AC_SUBST(XARGS_LIMIT) if test "${HAVE_W32}" = "yes"; then window_system=w32 with_xft=no fi ## $window_system is now set to the window system we will ## ultimately use. term_header= HAVE_X_WINDOWS=no HAVE_X11=no USE_X_TOOLKIT=none case "${window_system}" in x11 ) HAVE_X_WINDOWS=yes HAVE_X11=yes term_header=xterm.h case "${with_x_toolkit}" in athena | lucid ) USE_X_TOOLKIT=LUCID ;; motif ) USE_X_TOOLKIT=MOTIF ;; gtk ) with_gtk=yes term_header=gtkutil.h dnl Don't set this for GTK. A lot of tests below assumes Xt when dnl USE_X_TOOLKIT is set. USE_X_TOOLKIT=none ;; gtk2 ) with_gtk2=yes term_header=gtkutil.h USE_X_TOOLKIT=none ;; gtk3 ) with_gtk3=yes term_header=gtkutil.h USE_X_TOOLKIT=none ;; no ) USE_X_TOOLKIT=none ;; dnl If user did not say whether to use a toolkit, make this decision later: dnl use the toolkit if we have gtk, or X11R5 or newer. * ) USE_X_TOOLKIT=maybe ;; esac ;; nextstep ) term_header=nsterm.h ;; w32 ) term_header=w32term.h ;; esac if test "$window_system" = none && test "X$with_x" != "Xno"; then AC_CHECK_PROG(HAVE_XSERVER, X, true, false) if test "$HAVE_XSERVER" = true || test -n "$DISPLAY" || { for emacs_libX11 in /usr/lib/libX11.*; do break; done test "$emacs_libX11" != '/usr/lib/libX11.*' } then AC_MSG_ERROR([You seem to be running X, but no X development libraries were found. You should install the relevant development files for X and for the toolkit you want, such as Gtk+ or Motif. Also make sure you have development files for image handling, i.e. tiff, gif, jpeg, png and xpm. If you are sure you want Emacs compiled without X window support, pass --without-x to configure.]) fi fi # Does the opsystem file prohibit the use of the GNU malloc? # Assume not, until told otherwise. GNU_MALLOC=yes AC_CACHE_CHECK( [whether malloc is Doug Lea style], [emacs_cv_var_doug_lea_malloc], [emacs_cv_var_doug_lea_malloc=no dnl Hooks do not work with address sanitization. if test "$emacs_cv_sanitize_address" != yes; then AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[#include static void hook (void) {}]], [[malloc_set_state (malloc_get_state ()); __after_morecore_hook = hook; __malloc_initialize_hook = hook;]])], [emacs_cv_var_doug_lea_malloc=yes]) fi]) doug_lea_malloc=$emacs_cv_var_doug_lea_malloc system_malloc=$emacs_cv_sanitize_address hybrid_malloc= case "$opsys" in ## darwin ld insists on the use of malloc routines in the System framework. darwin | mingw32 | nacl | sol2-10) system_malloc=yes ;; cygwin) hybrid_malloc=yes;; esac if test "${system_malloc}" != yes && test "${doug_lea_malloc}" != yes \ && test "${UNEXEC_OBJ}" = unexelf.o; then hybrid_malloc=yes fi GMALLOC_OBJ= HYBRID_MALLOC= if test "${system_malloc}" = "yes"; then AC_DEFINE([SYSTEM_MALLOC], 1, [Define to 1 to use the system memory allocator, even if it is not Doug Lea style.]) GNU_MALLOC=no GNU_MALLOC_reason=" (The GNU allocators don't work with this system configuration.)" VMLIMIT_OBJ= elif test "$hybrid_malloc" = yes; then AC_DEFINE(HYBRID_MALLOC, 1, [Define to use gmalloc before dumping and the system malloc after.]) HYBRID_MALLOC=1 GNU_MALLOC=no GNU_MALLOC_reason=" (only before dumping)" GMALLOC_OBJ=gmalloc.o VMLIMIT_OBJ= else test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o VMLIMIT_OBJ=vm-limit.o AC_CHECK_HEADERS([sys/vlimit.h]) AC_CACHE_CHECK([for data_start], [emacs_cv_data_start], [AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[extern char data_start[]; char ch;]], [[return data_start < &ch;]])], [emacs_cv_data_start=yes], [emacs_cv_data_start=no])]) if test $emacs_cv_data_start = yes; then AC_DEFINE([HAVE_DATA_START], 1, [Define to 1 if data_start is the address of the start of the main data segment.]) fi fi AC_SUBST([HYBRID_MALLOC]) AM_CONDITIONAL([HYBRID_MALLOC_LIB], [test -n "$HYBRID_MALLOC"]) AC_SUBST(GMALLOC_OBJ) AC_SUBST(VMLIMIT_OBJ) if test "$doug_lea_malloc" = "yes" && test "$hybrid_malloc" != yes; then if test "$GNU_MALLOC" = yes ; then GNU_MALLOC_reason=" (Using Doug Lea's new malloc from the GNU C Library.)" fi AC_DEFINE(DOUG_LEA_MALLOC, 1, [Define to 1 if the system memory allocator is Doug Lea style, with malloc hooks and malloc_set_state.]) ## Use mmap directly for allocating larger buffers. ## FIXME this comes from src/s/{gnu,gnu-linux}.h: ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif ## Does the AC_FUNC_MMAP test below make this check unnecessary? case "$opsys" in mingw32|gnu*) REL_ALLOC=no ;; esac fi if test x"${REL_ALLOC}" = x; then REL_ALLOC=${GNU_MALLOC} fi use_mmap_for_buffers=no case "$opsys" in cygwin|mingw32) use_mmap_for_buffers=yes ;; esac AC_FUNC_MMAP if test $use_mmap_for_buffers = yes; then AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.]) REL_ALLOC=no fi LIBS="$LIBS_SYSTEM $LIBS" dnl FIXME replace main with a function we actually want from this library. AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd") dnl Check for the POSIX thread library. LIB_PTHREAD= AC_CHECK_HEADERS_ONCE(pthread.h) if test "$ac_cv_header_pthread_h" && test "$opsys" != "mingw32"; then AC_CACHE_CHECK([for pthread library], [emacs_cv_pthread_lib], [emacs_cv_pthread_lib=no OLD_LIBS=$LIBS for emacs_pthread_lib in 'none needed' -lpthread; do case $emacs_pthread_lib in -*) LIBS="$OLD_LIBS $emacs_pthread_lib";; esac AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[#include #include sigset_t old_mask, new_mask; void noop (void) {}]], [[pthread_t th = pthread_self (); int status = 0; status += pthread_create (&th, 0, 0, 0); status += pthread_sigmask (SIG_BLOCK, &new_mask, &old_mask); status += pthread_kill (th, 0); #if ! (defined SYSTEM_MALLOC || defined HYBRID_MALLOC \ || defined DOUG_LEA_MALLOC) /* Test for pthread_atfork only if gmalloc uses it, as older-style hosts like MirBSD 10 lack it. */ status += pthread_atfork (noop, noop, noop); #endif return status;]])], [emacs_cv_pthread_lib=$emacs_pthread_lib]) LIBS=$OLD_LIBS if test "$emacs_cv_pthread_lib" != no; then break fi done]) if test "$emacs_cv_pthread_lib" != no; then AC_DEFINE([HAVE_PTHREAD], 1, [Define to 1 if you have POSIX threads.]) case $emacs_cv_pthread_lib in -*) LIB_PTHREAD=$emacs_cv_pthread_lib;; esac ac_cv_func_pthread_sigmask=yes # Some systems optimize for single-threaded programs by default, and # need special flags to disable these optimizations. For example, the # definition of 'errno' in . case $opsys in hpux* | sol*) AC_DEFINE([_REENTRANT], 1, [Define to 1 if your system requires this in multithreaded code.]);; aix4-2) AC_DEFINE([_THREAD_SAFE], 1, [Define to 1 if your system requires this in multithreaded code.]);; esac fi fi AC_SUBST([LIB_PTHREAD]) dnl Check for need for bigtoc support on IBM AIX case ${host_os} in aix*) AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [ case $GCC in yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;; *) gdb_cv_bigtoc=-bbigtoc ;; esac LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=]) ]) ;; esac # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE # is for the tests that follow. We set them back later on. REAL_CFLAGS="$CFLAGS" REAL_CPPFLAGS="$CPPFLAGS" REAL_LIBS="$LIBS" if test "${HAVE_X11}" = "yes"; then DEFS="$C_SWITCH_X_SITE $DEFS" LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE" LIBS="-lX11 $LIBS" CFLAGS="$C_SWITCH_X_SITE $CFLAGS" CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS" # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests. # This is handled by LD_SWITCH_X_SITE_RPATH during the real build, # but it's more convenient here to set LD_RUN_PATH since this # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH. if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH export LD_RUN_PATH fi if test "${opsys}" = "gnu-linux"; then AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link) AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[XOpenDisplay ("foo");]])], [xgnu_linux_first_failure=no], [xgnu_linux_first_failure=yes]) if test "${xgnu_linux_first_failure}" = "yes"; then OLD_CPPFLAGS="$CPPFLAGS" OLD_LIBS="$LIBS" CPPFLAGS="$CPPFLAGS -b i486-linuxaout" LIBS="$LIBS -b i486-linuxaout" AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[XOpenDisplay ("foo");]])], [xgnu_linux_second_failure=no], [xgnu_linux_second_failure=yes]) if test "${xgnu_linux_second_failure}" = "yes"; then # If we get the same failure with -b, there is no use adding -b. # So leave it out. This plays safe. AC_MSG_RESULT(no) else LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout" C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout" AC_MSG_RESULT(yes) fi CPPFLAGS=$OLD_CPPFLAGS LIBS=$OLD_LIBS else AC_MSG_RESULT(no) fi fi # Reportedly, some broken Solaris systems have XKBlib.h but are missing # header files included from there. AC_MSG_CHECKING(for Xkb) AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include #include ]], [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])], emacs_xkb=yes, emacs_xkb=no) AC_MSG_RESULT($emacs_xkb) if test $emacs_xkb = yes; then AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.]) fi AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \ XScreenNumberOfScreen) fi if test "${window_system}" = "x11"; then AC_MSG_CHECKING(X11 version 6) AC_CACHE_VAL(emacs_cv_x11_version_6, [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], [[#if XlibSpecificationRelease < 6 fail; #endif ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)]) if test $emacs_cv_x11_version_6 = yes; then AC_MSG_RESULT(6 or newer) AC_DEFINE(HAVE_X11R6, 1, [Define to 1 if you have the X11R6 or newer version of Xlib.]) AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.]) ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style ## XIM support. case "$opsys" in sol2-*) : ;; *) AC_DEFINE(HAVE_X11R6_XIM, 1, [Define if you have usable X11R6-style XIM support.]) ;; esac else AC_MSG_RESULT(before 6) fi fi ### Use -lrsvg-2 if available, unless '--with-rsvg=no' is specified. HAVE_RSVG=no if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then if test "${with_rsvg}" != "no"; then RSVG_REQUIRED=2.11.0 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED" EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE]) AC_SUBST(RSVG_CFLAGS) AC_SUBST(RSVG_LIBS) if test $HAVE_RSVG = yes; then AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.]) CFLAGS="$CFLAGS $RSVG_CFLAGS" # Windows loads librsvg dynamically if test "${opsys}" = "mingw32"; then RSVG_LIBS= fi fi fi fi HAVE_IMAGEMAGICK=no if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then if test "${with_imagemagick}" != "no"; then ## 6.3.5 is the earliest version known to work; see Bug#17339. ## 6.8.2 makes Emacs crash; see Bug#13867. IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2" EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE]) AC_SUBST(IMAGEMAGICK_CFLAGS) AC_SUBST(IMAGEMAGICK_LIBS) if test $HAVE_IMAGEMAGICK = yes; then AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.]) OLD_CFLAGS=$CFLAGS OLD_LIBS=$LIBS CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS" LIBS="$IMAGEMAGICK_LIBS $LIBS" AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers MagickAutoOrientImage) CFLAGS=$OLD_CFLAGS LIBS=$OLD_LIBS fi fi fi AC_CHECK_LIB(anl, getaddrinfo_a, HAVE_GETADDRINFO_A=yes) if test "${HAVE_GETADDRINFO_A}" = "yes"; then AC_DEFINE(HAVE_GETADDRINFO_A, 1, [Define to 1 if you have getaddrinfo_a for asynchronous DNS resolution.]) GETADDRINFO_A_LIBS="-lanl" AC_SUBST(GETADDRINFO_A_LIBS) fi HAVE_GTK=no GTK_OBJ= gtk_term_header=$term_header check_gtk2=no gtk3_pkg_errors= if test "${opsys}" != "mingw32"; then if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then GLIB_REQUIRED=2.28 GTK_REQUIRED=3.0 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED" dnl Checks for libraries. EMACS_CHECK_MODULES([GTK], [$GTK_MODULES], [pkg_check_gtk=yes], [pkg_check_gtk=no]) if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then AC_MSG_ERROR($GTK_PKG_ERRORS) fi if test "$pkg_check_gtk" = "yes"; then AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.]) GTK_OBJ=emacsgtkfixed.o gtk_term_header=gtkutil.h USE_GTK_TOOLKIT="GTK3" if test "x$ac_enable_gtk_deprecation_warnings" = x; then AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1], [Define to 1 to disable GTK+/GDK deprecation warnings.]) AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1], [Define to 1 to disable Glib deprecation warnings.]) fi else check_gtk2=yes gtk3_pkg_errors="$GTK_PKG_ERRORS " fi fi if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then GLIB_REQUIRED=2.10 GTK_REQUIRED=2.10 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED" dnl Checks for libraries. EMACS_CHECK_MODULES([GTK], [$GTK_MODULES], [pkg_check_gtk=yes], [pkg_check_gtk=no]) if test "$pkg_check_gtk" = "no" && { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; } then AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS) fi test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2" fi fi OLD_CFLAGS=$CFLAGS OLD_LIBS=$LIBS if test x"$pkg_check_gtk" = xyes; then AC_SUBST(GTK_LIBS) CFLAGS="$CFLAGS $GTK_CFLAGS" LIBS="$GTK_LIBS $LIBS" dnl Try to compile a simple GTK program. AC_MSG_CHECKING([whether GTK compiles]) GTK_COMPILES=no AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[/* Check the Gtk and Glib APIs. */ #include #include static void callback (GObject *go, GParamSpec *spec, gpointer user_data) {} ]], [[ GtkSettings *gs = 0; /* Use G_CALLBACK to make sure function pointers can be cast to void *; strict C prohibits this. Use gtk_main_iteration to test that the libraries are there. */ if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC, 0, 0, 0, G_CALLBACK (callback), 0)) gtk_main_iteration (); ]])], [GTK_COMPILES=yes]) AC_MSG_RESULT([$GTK_COMPILES]) if test "${GTK_COMPILES}" != "yes"; then GTK_OBJ= if test "$USE_X_TOOLKIT" != "maybe"; then AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]); fi else C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS" HAVE_GTK=yes AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.]) GTK_OBJ="gtkutil.o $GTK_OBJ" term_header=$gtk_term_header USE_X_TOOLKIT=none AC_MSG_WARN([[Your version of Gtk+ will have problems with closing open displays. This is no problem if you just use one display, but if you use more than one and close one of them Emacs may crash. See http://bugzilla.gnome.org/show_bug.cgi?id=85715]]) sleep 3 fi fi AC_SUBST(GTK_OBJ) if test "${HAVE_GTK}" = "yes"; then dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid dnl a lot if #ifdef:s, say we have toolkit scrollbars. if test "$with_toolkit_scroll_bars" != no; then with_toolkit_scroll_bars=yes fi dnl Check if we have the old file selection dialog declared and dnl in the link library. In 2.x it may be in the library, dnl but not declared if deprecated featured has been selected out. dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION. HAVE_GTK_FILE_SELECTION=no AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes, HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT #include ]) if test "$HAVE_GTK_FILE_SELECTION" = yes; then AC_CHECK_FUNCS(gtk_file_selection_new) fi dnl Same as above for gtk_handle_box. HAVE_GTK_HANDLE_BOX=no AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes, HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT #include ]) if test "$HAVE_GTK_HANDLE_BOX" = yes; then AC_CHECK_FUNCS(gtk_handle_box_new) fi dnl Same as above for gtk_tearoff_menu_item. HAVE_GTK_TEAROFF_MENU_ITEM=no AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes, HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT #include ]) if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then AC_CHECK_FUNCS(gtk_tearoff_menu_item_new) fi dnl Check for functions introduced in 2.14 and later. AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \ gtk_dialog_get_action_area gtk_widget_get_sensitive \ gtk_widget_get_mapped gtk_adjustment_get_page_size \ gtk_orientable_set_orientation \ gtk_window_set_has_resize_grip) term_header=gtkutil.h fi dnl Enable xwidgets if GTK3 and WebKitGTK+ are available. HAVE_XWIDGETS=no XWIDGETS_OBJ= if test "$with_xwidgets" != "no"; then test "$USE_GTK_TOOLKIT" = "GTK3" && test "$window_system" != "none" || AC_MSG_ERROR([xwidgets requested but gtk3 not used.]) WEBKIT_REQUIRED=1.4.0 WEBKIT_MODULES="webkitgtk-3.0 >= $WEBKIT_REQUIRED" EMACS_CHECK_MODULES([WEBKIT], [$WEBKIT_MODULES]) HAVE_XWIDGETS=$HAVE_WEBKIT test $HAVE_XWIDGETS = yes || AC_MSG_ERROR([xwidgets requested but WebKitGTK+ not found.]) XWIDGETS_OBJ=xwidget.o AC_DEFINE([HAVE_XWIDGETS], 1, [Define to 1 if you have xwidgets support.]) fi AC_SUBST(XWIDGETS_OBJ) CFLAGS=$OLD_CFLAGS LIBS=$OLD_LIBS dnl D-Bus has been tested under GNU/Linux only. Must be adapted for dnl other platforms. HAVE_DBUS=no DBUS_OBJ= if test "${with_dbus}" = "yes"; then EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0]) if test "$HAVE_DBUS" = yes; then AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.]) dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1. dnl dbus_type_is_valid and dbus_validate_* have been introduced in dnl D-Bus 1.5.12. OLD_LIBS=$LIBS LIBS="$LIBS $DBUS_LIBS" AC_CHECK_FUNCS(dbus_watch_get_unix_fd \ dbus_type_is_valid \ dbus_validate_bus_name \ dbus_validate_path \ dbus_validate_interface \ dbus_validate_member) LIBS=$OLD_LIBS DBUS_OBJ=dbusbind.o fi fi AC_SUBST(DBUS_CFLAGS) AC_SUBST(DBUS_LIBS) AC_SUBST(DBUS_OBJ) dnl GSettings has been tested under GNU/Linux only. HAVE_GSETTINGS=no if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26]) if test "$HAVE_GSETTINGS" = "yes"; then old_CFLAGS=$CFLAGS CFLAGS="$CFLAGS $GSETTINGS_CFLAGS" old_LIBS=$LIBS LIBS="$LIBS $GSETTINGS_LIBS" AC_MSG_CHECKING([whether GSettings is in gio]) AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[/* Check that gsettings really is present. */ #include #include ]], [[ GSettings *settings; GVariant *val = g_settings_get_value (settings, ""); ]])], [], HAVE_GSETTINGS=no) AC_MSG_RESULT([$HAVE_GSETTINGS]) if test "$HAVE_GSETTINGS" = "yes"; then AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.]) SETTINGS_CFLAGS="$GSETTINGS_CFLAGS" SETTINGS_LIBS="$GSETTINGS_LIBS" fi CFLAGS=$old_CFLAGS LIBS=$old_LIBS fi fi dnl GConf has been tested under GNU/Linux only. dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6. HAVE_GCONF=no if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13]) if test "$HAVE_GCONF" = yes; then AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.]) dnl Newer GConf doesn't link with g_objects, so this is not defined. SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS" SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS" fi fi if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0]) if test "$HAVE_GOBJECT" = "yes"; then SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS" SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS" fi SAVE_CFLAGS="$CFLAGS" SAVE_LIBS="$LIBS" CFLAGS="$SETTINGS_CFLAGS $CFLAGS" LIBS="$SETTINGS_LIBS $LIBS" CFLAGS="$SAVE_CFLAGS" LIBS="$SAVE_LIBS" fi AC_SUBST(SETTINGS_CFLAGS) AC_SUBST(SETTINGS_LIBS) dnl SELinux is available for GNU/Linux only. HAVE_LIBSELINUX=no LIBSELINUX_LIBS= if test "${with_selinux}" = "yes"; then AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no) if test "$HAVE_LIBSELINUX" = yes; then AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.]) LIBSELINUX_LIBS=-lselinux fi fi AC_SUBST(LIBSELINUX_LIBS) HAVE_GNUTLS=no if test "${with_gnutls}" = "yes" ; then EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.12.2], [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no]) if test "${HAVE_GNUTLS}" = "yes"; then AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.]) EMACS_CHECK_MODULES([LIBGNUTLS3], [gnutls >= 3.0.0], [AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])], []) fi # Windows loads GnuTLS dynamically if test "${opsys}" = "mingw32"; then LIBGNUTLS_LIBS= fi fi AC_SUBST(LIBGNUTLS_LIBS) AC_SUBST(LIBGNUTLS_CFLAGS) HAVE_LIBSYSTEMD=no if test "${with_libsystemd}" = "yes" ; then dnl This code has been tested with libsystemd 222 and later. dnl FIXME: Find the earliest version number for which Emacs should work, dnl and change '222' to that number. EMACS_CHECK_MODULES([LIBSYSTEMD], [libsystemd >= 222], [HAVE_LIBSYSTEMD=yes], [HAVE_LIBSYSTEMD=no]) if test "${HAVE_LIBSYSTEMD}" = "yes"; then AC_DEFINE(HAVE_LIBSYSTEMD, 1, [Define if using libsystemd.]) fi fi AC_SUBST(LIBSYSTEMD_LIBS) AC_SUBST(LIBSYSTEMD_CFLAGS) NOTIFY_OBJ= NOTIFY_SUMMARY=no dnl MS Windows native file monitor is available for mingw32 only. case $with_file_notification,$opsys in w32,cygwin) AC_MSG_ERROR(['--with-file-notification=w32' was specified, but this is only supported on MS-Windows native and MinGW32 builds. Consider using gfile instead.]) ;; w32,* | yes,mingw32) AC_CHECK_HEADER(windows.h) if test "$ac_cv_header_windows_h" = yes ; then AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.]) NOTIFY_OBJ=w32notify.o NOTIFY_SUMMARY="yes (w32)" fi ;; esac dnl inotify is available only on GNU/Linux. case $with_file_notification,$NOTIFY_OBJ in inotify, | yes,) AC_CHECK_HEADER(sys/inotify.h) if test "$ac_cv_header_sys_inotify_h" = yes ; then AC_CHECK_FUNC(inotify_init1) if test "$ac_cv_func_inotify_init1" = yes; then AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.]) NOTIFY_OBJ=inotify.o NOTIFY_SUMMARY="yes -lglibc (inotify)" fi fi ;; esac dnl kqueue is available on BSD-like systems. case $with_file_notification,$NOTIFY_OBJ in kqueue,* | yes,) EMACS_CHECK_MODULES([KQUEUE], [libkqueue]) if test "$HAVE_KQUEUE" = "yes"; then AC_DEFINE(HAVE_KQUEUE, 1, [Define to 1 to use kqueue.]) CPPFLAGS="$CPPFLAGS -I/usr/include/kqueue" NOTIFY_CFLAGS=$KQUEUE_CFLAGS NOTIFY_LIBS=$KQUEUE_LIBS NOTIFY_OBJ=kqueue.o NOTIFY_SUMMARY="yes -lkqueue" else AC_SEARCH_LIBS(kqueue, []) if test "$ac_cv_search_kqueue" != no; then AC_DEFINE(HAVE_KQUEUE, 1, [Define to 1 to use kqueue.]) NOTIFY_OBJ=kqueue.o NOTIFY_SUMMARY="yes (kqueue)" fi fi ;; esac dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED dnl has been added in glib 2.24. It has been tested under dnl GNU/Linux only. case $with_file_notification,$NOTIFY_OBJ in gfile,* | yes,) if test "${HAVE_NS}" = yes; then AC_MSG_ERROR(['--with-file-notification=gfile' is not supported in NextStep builds. Consider kqueue instead.]) else EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24]) if test "$HAVE_GFILENOTIFY" = "yes"; then AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.]) NOTIFY_CFLAGS=$GFILENOTIFY_CFLAGS NOTIFY_LIBS=$GFILENOTIFY_LIBS NOTIFY_OBJ=gfilenotify.o NOTIFY_SUMMARY="yes -lgio (gfile)" fi fi ;; esac case $with_file_notification,$NOTIFY_OBJ in yes,* | no,* | *,?*) ;; *) AC_MSG_ERROR([File notification '$with_file_notification' requested but requirements not found.]) ;; esac if test -n "$NOTIFY_OBJ"; then AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.]) fi AC_SUBST(NOTIFY_CFLAGS) AC_SUBST(NOTIFY_LIBS) AC_SUBST(NOTIFY_OBJ) dnl Do not put whitespace before the #include statements below. dnl Older compilers (eg sunos4 cc) choke on it. HAVE_XAW3D=no LUCID_LIBW= if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then if test "$with_xaw3d" != no; then AC_CACHE_VAL(emacs_cv_xaw3d, [AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include #include ]], [[]])], [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)], emacs_cv_xaw3d=no)]) else emacs_cv_xaw3d=no fi if test $emacs_cv_xaw3d = yes; then AC_MSG_CHECKING(for xaw3d) AC_MSG_RESULT([yes; using Lucid toolkit]) USE_X_TOOLKIT=LUCID HAVE_XAW3D=yes LUCID_LIBW=-lXaw3d AC_DEFINE(HAVE_XAW3D, 1, [Define to 1 if you have the Xaw3d library (-lXaw3d).]) else AC_MSG_CHECKING(for xaw3d) AC_MSG_RESULT(no) AC_MSG_CHECKING(for libXaw) AC_CACHE_VAL(emacs_cv_xaw, [AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include #include ]], [[]])], emacs_cv_xaw=yes, emacs_cv_xaw=no)]) if test $emacs_cv_xaw = yes; then AC_MSG_RESULT([yes; using Lucid toolkit]) USE_X_TOOLKIT=LUCID LUCID_LIBW=-lXaw elif test x"${USE_X_TOOLKIT}" = xLUCID; then AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files]) else AC_MSG_ERROR([No X toolkit could be found. If you are sure you want Emacs compiled without an X toolkit, pass --with-x-toolkit=no to configure. Otherwise, install the development libraries for the toolkit that you want to use (e.g. Gtk+) and re-run configure.]) fi fi fi X_TOOLKIT_TYPE=$USE_X_TOOLKIT LIBXTR6= LIBXMU= if test "${USE_X_TOOLKIT}" != "none"; then AC_MSG_CHECKING(X11 toolkit version) AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6, [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], [[#if XtSpecificationRelease < 6 fail; #endif ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)]) HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6 if test $emacs_cv_x11_toolkit_version_6 = yes; then AC_MSG_RESULT(6 or newer) AC_DEFINE(HAVE_X11XTR6, 1, [Define to 1 if you have the X11R6 or newer version of Xt.]) LIBXTR6="-lSM -lICE" case "$opsys" in ## Use libw.a along with X11R6 Xt. unixware) LIBXTR6="$LIBXTR6 -lw" ;; esac else AC_MSG_RESULT(before 6) fi dnl If using toolkit, check whether libXmu.a exists. dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link. OLDLIBS="$LIBS" if test x$HAVE_X11XTR6 = xyes; then OTHERLIBS='-lXt -lSM -lICE' else OTHERLIBS='-lXt' fi AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS]) if test "X$LIBS" != "X$OLDLIBS"; then LIBXMU=$ac_cv_search_XmuConvertStandardSelection fi LIBS=$OLDLIBS dnl ac_cv_search_XmuConvertStandardSelection is also referenced below. fi AC_SUBST(LIBXTR6) AC_SUBST(LIBXMU) LIBXP= if test "${USE_X_TOOLKIT}" = "MOTIF"; then # OpenMotif may be installed in such a way on some GNU/Linux systems. if test -d /usr/include/openmotif; then CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS" emacs_cv_openmotif=yes case "$canonical" in x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS" ;; *) test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS" esac else emacs_cv_openmotif=no fi AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1, [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1) int x = 5; #else Motif version prior to 2.1. #endif]])], emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)]) if test $emacs_cv_motif_version_2_1 = yes; then AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp) if test x$emacs_cv_openmotif = xyes; then REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS" fi else AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif, # We put this in CFLAGS temporarily to precede other -I options # that might be in CFLAGS temporarily. # We put this in CPPFLAGS where it precedes the other -I options. OLD_CPPFLAGS=$CPPFLAGS OLD_CFLAGS=$CFLAGS CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS" CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS" [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[int x = 5;]])], emacs_cv_lesstif=yes, emacs_cv_lesstif=no)]) if test $emacs_cv_lesstif = yes; then # Make sure this -I option remains in CPPFLAGS after it is set # back to REAL_CPPFLAGS. # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not # have those other -I options anyway. Ultimately, having this # directory ultimately in CPPFLAGS will be enough. REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS" LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS" else CFLAGS=$OLD_CFLAGS CPPFLAGS=$OLD_CPPFLAGS fi fi AC_CHECK_HEADER([Xm/BulletinB.h], [], [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])]) fi dnl Use toolkit scroll bars if configured for GTK or X toolkit and either dnl using Motif or Xaw3d is available, and unless dnl --with-toolkit-scroll-bars=no was specified. AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS, [Define to 1 if we should use toolkit scroll bars.])dnl USE_TOOLKIT_SCROLL_BARS=no if test "${with_toolkit_scroll_bars}" != "no"; then if test "${USE_X_TOOLKIT}" != "none"; then if test "${USE_X_TOOLKIT}" = "MOTIF"; then AC_DEFINE(USE_TOOLKIT_SCROLL_BARS) HAVE_XAW3D=no USE_TOOLKIT_SCROLL_BARS=yes elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then AC_DEFINE(USE_TOOLKIT_SCROLL_BARS) USE_TOOLKIT_SCROLL_BARS=yes fi elif test "${HAVE_GTK}" = "yes"; then AC_DEFINE(USE_TOOLKIT_SCROLL_BARS) USE_TOOLKIT_SCROLL_BARS=yes elif test "${HAVE_NS}" = "yes"; then AC_DEFINE(USE_TOOLKIT_SCROLL_BARS) USE_TOOLKIT_SCROLL_BARS=yes elif test "${HAVE_W32}" = "yes"; then AC_DEFINE(USE_TOOLKIT_SCROLL_BARS) USE_TOOLKIT_SCROLL_BARS=yes fi fi dnl See if XIM is available. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]], [[XIMProc callback;]])], [HAVE_XIM=yes AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])], HAVE_XIM=no) dnl '--with-xim' now controls only the initial value of use_xim at run time. if test "${with_xim}" != "no"; then AC_DEFINE(USE_XIM, 1, [Define to 1 if we should use XIM, if it is available.]) fi if test "${HAVE_XIM}" != "no"; then late_CFLAGS=$CFLAGS if test "$GCC" = yes; then CFLAGS="$CFLAGS --pedantic-errors" fi AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]], [[Display *display; XrmDatabase db; char *res_name; char *res_class; XIMProc callback; XPointer *client_data; #ifndef __GNUC__ /* If we're not using GCC, it's probably not XFree86, and this is probably right, but we can't use something like --pedantic-errors. */ extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*, char*, XIMProc, XPointer*); #endif (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback, client_data);]])], [emacs_cv_arg6_star=yes]) AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6, [Define to the type of the 6th arg of XRegisterIMInstantiateCallback, either XPointer or XPointer*.])dnl if test "$emacs_cv_arg6_star" = yes; then AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*]) else AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer]) fi CFLAGS=$late_CFLAGS fi ### Start of font-backend (under any platform) section. # (nothing here yet -- this is a placeholder) ### End of font-backend (under any platform) section. ### Start of font-backend (under X11) section. if test "${HAVE_X11}" = "yes"; then ## Use -lXft if available, unless '--with-xft=no'. HAVE_XFT=maybe if test "x${with_x}" = "xno"; then with_xft="no"; fi if test "$with_xft" != no; then EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0]) with_xft=$HAVE_FONTCONFIG fi if test "x${with_xft}" != "xno"; then EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no]) ## Because xftfont.c uses XRenderQueryExtension, we also ## need to link to -lXrender. HAVE_XRENDER=no AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes) if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then OLD_CPPFLAGS="$CPPFLAGS" OLD_CFLAGS="$CFLAGS" OLD_LIBS="$LIBS" CPPFLAGS="$CPPFLAGS $XFT_CFLAGS" CFLAGS="$CFLAGS $XFT_CFLAGS" XFT_LIBS="-lXrender $XFT_LIBS" LIBS="$XFT_LIBS $LIBS" AC_CHECK_HEADER(X11/Xft/Xft.h, AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , , [[#include ]]) if test "${HAVE_XFT}" = "yes"; then AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.]) AC_SUBST(XFT_LIBS) C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS" fi # "${HAVE_XFT}" = "yes" CPPFLAGS=$OLD_CPPFLAGS CFLAGS=$OLD_CFLAGS LIBS=$OLD_LIBS fi # "$HAVE_XFT" != no fi # "x${with_xft}" != "xno" ## We used to allow building with FreeType and without Xft. ## However, the ftx font backend driver is not in good shape. if test "$HAVE_XFT" != "yes"; then dnl For the "Does Emacs use" message at the end. HAVE_XFT=no HAVE_FREETYPE=no else dnl Strict linkers fail with dnl ftfont.o: undefined reference to symbol 'FT_New_Face' dnl if -lfreetype is not specified. dnl The following is needed to set FREETYPE_LIBS. EMACS_CHECK_MODULES([FREETYPE], [freetype2]) test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype) fi HAVE_LIBOTF=no if test "${HAVE_FREETYPE}" = "yes"; then AC_DEFINE(HAVE_FREETYPE, 1, [Define to 1 if using the freetype and fontconfig libraries.]) if test "${with_libotf}" != "no"; then EMACS_CHECK_MODULES([LIBOTF], [libotf]) if test "$HAVE_LIBOTF" = "yes"; then AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.]) AC_CHECK_LIB(otf, OTF_get_variation_glyphs, HAVE_OTF_GET_VARIATION_GLYPHS=yes, HAVE_OTF_GET_VARIATION_GLYPHS=no) if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1, [Define to 1 if libotf has OTF_get_variation_glyphs.]) fi fi fi dnl FIXME should there be an error if HAVE_FREETYPE != yes? dnl Does the new font backend require it, or can it work without it? fi HAVE_M17N_FLT=no if test "${HAVE_LIBOTF}" = yes; then if test "${with_m17n_flt}" != "no"; then EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt]) if test "$HAVE_M17N_FLT" = "yes"; then AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.]) fi fi fi else HAVE_XFT=no HAVE_FREETYPE=no HAVE_LIBOTF=no HAVE_M17N_FLT=no fi ### End of font-backend (under X11) section. AC_SUBST(FREETYPE_CFLAGS) AC_SUBST(FREETYPE_LIBS) AC_SUBST(FONTCONFIG_CFLAGS) AC_SUBST(FONTCONFIG_LIBS) AC_SUBST(LIBOTF_CFLAGS) AC_SUBST(LIBOTF_LIBS) AC_SUBST(M17N_FLT_CFLAGS) AC_SUBST(M17N_FLT_LIBS) HAVE_CAIRO=no if test "${HAVE_X11}" = "yes"; then if test "${with_cairo}" != "no"; then CAIRO_REQUIRED=1.12.0 CAIRO_MODULE="cairo >= $CAIRO_REQUIRED" EMACS_CHECK_MODULES(CAIRO, $CAIRO_MODULE) if test $HAVE_CAIRO = yes; then AC_DEFINE(USE_CAIRO, 1, [Define to 1 if using cairo.]) else AC_MSG_ERROR([cairo requested but not found.]) fi CFLAGS="$CFLAGS $CAIRO_CFLAGS" LIBS="$LIBS $CAIRO_LIBS" AC_SUBST(CAIRO_CFLAGS) AC_SUBST(CAIRO_LIBS) fi fi if test "${HAVE_X11}" = "yes"; then AC_CHECK_HEADER(X11/Xlib-xcb.h, AC_CHECK_LIB(xcb, xcb_translate_coordinates, HAVE_XCB=yes)) if test "${HAVE_XCB}" = "yes"; then AC_CHECK_LIB(X11-xcb, XGetXCBConnection, HAVE_X11_XCB=yes) if test "${HAVE_X11_XCB}" = "yes"; then AC_DEFINE(USE_XCB, 1, [Define to 1 if you have the XCB library and X11-XCB library for mixed X11/XCB programming.]) XCB_LIBS="-lX11-xcb -lxcb" AC_SUBST(XCB_LIBS) fi fi fi ### Use -lXpm if available, unless '--with-xpm=no'. ### mingw32 doesn't use -lXpm, since it loads the library dynamically. ### The Cygwin-w32 build uses instead of , so ### we need to set LDFLAGS accordingly. HAVE_XPM=no LIBXPM= if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then if test "${with_xpm}" != "no"; then SAVE_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -L/usr/lib/noX" AC_CHECK_HEADER(noX/xpm.h, [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)]) if test "${HAVE_XPM}" = "yes"; then AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define) AC_EGREP_CPP(no_return_alloc_pixels, [#include "noX/xpm.h" #ifndef XpmReturnAllocPixels no_return_alloc_pixels #endif ], HAVE_XPM=no, HAVE_XPM=yes) if test "${HAVE_XPM}" = "yes"; then AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) LDFLAGS="$SAVE_LDFLAGS" fi fi fi if test "${HAVE_XPM}" = "yes"; then AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).]) LIBXPM=-lXpm fi fi if test "${HAVE_X11}" = "yes"; then dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598. test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no if test "${with_xpm}" != "no"; then AC_CHECK_HEADER(X11/xpm.h, [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)]) if test "${HAVE_XPM}" = "yes"; then AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define) AC_EGREP_CPP(no_return_alloc_pixels, [#include "X11/xpm.h" #ifndef XpmReturnAllocPixels no_return_alloc_pixels #endif ], HAVE_XPM=no, HAVE_XPM=yes) if test "${HAVE_XPM}" = "yes"; then AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi fi fi if test "${HAVE_XPM}" = "yes"; then AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).]) LIBXPM=-lXpm elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152. LIBXPM=-lXpm fi fi ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's ### slightly different requirements wrt image libraries (it doesn't ### use -lXpm because it loads the xpm shared library dynamically at ### run time). if test "${opsys}" = "mingw32"; then if test "${with_xpm}" != "no"; then AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [ #define FOR_MSW 1]) fi if test "${HAVE_XPM}" = "yes"; then AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).]) fi fi AC_SUBST(LIBXPM) ### Use -ljpeg if available, unless '--with-jpeg=no'. HAVE_JPEG=no LIBJPEG= if test "${with_jpeg}" != "no"; then AC_CACHE_CHECK([for jpeglib 6b or later], [emacs_cv_jpeglib], [OLD_LIBS=$LIBS for emacs_cv_jpeglib in yes -ljpeg no; do case $emacs_cv_jpeglib in yes) ;; no) break;; *) LIBS="$LIBS $emacs_cv_jpeglib";; esac AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[#undef HAVE_STDLIB_H /* Avoid config.h/jpeglib.h collision. */ #include /* jpeglib.h needs FILE and size_t. */ #include #include char verify[JPEG_LIB_VERSION < 62 ? -1 : 1]; struct jpeg_decompress_struct cinfo; ]], [[ jpeg_create_decompress (&cinfo); WARNMS (&cinfo, JWRN_JPEG_EOF); jpeg_destroy_decompress (&cinfo); ]])], [emacs_link_ok=yes], [emacs_link_ok=no]) LIBS=$OLD_LIBS test $emacs_link_ok = yes && break done]) if test "$emacs_cv_jpeglib" != no; then HAVE_JPEG=yes AC_DEFINE([HAVE_JPEG], 1, [Define to 1 if you have the jpeg library (typically -ljpeg).]) ### mingw32 doesn't use -ljpeg, since it loads the library ### dynamically when needed, and doesn't want a run-time ### dependency on the jpeglib DLL. test "$emacs_cv_jpeglib" != yes && test "${opsys}" != "mingw32" \ && LIBJPEG=$emacs_cv_jpeglib fi fi AC_SUBST(LIBJPEG) HAVE_ZLIB=no LIBZ= if test "${with_zlib}" != "no"; then OLIBS=$LIBS AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes]) LIBS=$OLIBS case $ac_cv_search_inflateEnd in -*) LIBZ=$ac_cv_search_inflateEnd ;; esac fi if test "${HAVE_ZLIB}" = "yes"; then AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).]) ### mingw32 doesn't use -lz, since it loads the library dynamically. if test "${opsys}" = "mingw32"; then LIBZ= fi fi AC_SUBST(LIBZ) ### Dynamic modules support LIBMODULES= HAVE_MODULES=no MODULES_OBJ= MODULES_SUFFIX= if test "${with_modules}" != "no"; then case $opsys in gnu|gnu-linux) LIBMODULES="-ldl" MODULES_SUFFIX=".so" HAVE_MODULES=yes ;; cygwin|mingw32) MODULES_SUFFIX=".dll" HAVE_MODULES=yes ;; darwin) MODULES_SUFFIX=".so" HAVE_MODULES=yes ;; *) # BSD systems have dlopen in libc. AC_CHECK_FUNC([dlopen], [MODULES_SUFFIX=".so" HAVE_MODULES=yes]) ;; esac if test "${HAVE_MODULES}" = no; then AC_MSG_ERROR([Dynamic modules are not supported on your system]) else SAVE_LIBS=$LIBS LIBS="$LIBS $LIBMODULES" AC_CHECK_FUNCS([dladdr dlfunc]) LIBS=$SAVE_LIBS fi fi if test "${HAVE_MODULES}" = yes; then MODULES_OBJ="dynlib.o emacs-module.o" AC_DEFINE(HAVE_MODULES, 1, [Define to 1 if dynamic modules are enabled]) AC_DEFINE_UNQUOTED(MODULES_SUFFIX, "$MODULES_SUFFIX", [System extension for dynamic libraries]) fi AC_SUBST(MODULES_OBJ) AC_SUBST(LIBMODULES) ### Use -lpng if available, unless '--with-png=no'. HAVE_PNG=no LIBPNG= PNG_CFLAGS= if test "${NS_IMPL_COCOA}" = yes; then : # Nothing to do elif test "${with_png}" != no; then # mingw32 loads the library dynamically. if test "$opsys" = mingw32; then AC_CHECK_HEADER([png.h], [HAVE_PNG=yes]) elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then AC_MSG_CHECKING([for png]) png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` && png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || { # libpng-config does not work; configure by hand. # Debian unstable as of July 2003 has multiple libpngs, and puts png.h # in /usr/include/libpng. if test -r /usr/include/libpng/png.h && test ! -r /usr/include/png.h; then png_cflags=-I/usr/include/libpng else png_cflags= fi png_libs='-lpng' } SAVE_CFLAGS=$CFLAGS SAVE_LIBS=$LIBS CFLAGS="$CFLAGS $png_cflags" LIBS="$png_libs -lz -lm $LIBS" AC_LINK_IFELSE( [AC_LANG_PROGRAM([[#include ]], [[return !png_get_channels (0, 0);]])], [HAVE_PNG=yes PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"` LIBPNG=$png_libs # $LIBPNG requires explicit -lz in some cases. # We don't know what those cases are, exactly, so play it safe and # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ. if test -n "$LIBPNG" && test -z "$LIBZ"; then LIBPNG="$LIBPNG -lz" fi]) CFLAGS=$SAVE_CFLAGS LIBS=$SAVE_LIBS AC_MSG_RESULT([$HAVE_PNG]) fi fi if test $HAVE_PNG = yes; then AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.]) SAVE_CFLAGS=$CFLAGS CFLAGS="$CFLAGS $PNG_CFLAGS" AC_CHECK_DECL([png_longjmp], [], [AC_DEFINE([PNG_DEPSTRUCT], [], [Define to empty to suppress deprecation warnings when building with --enable-gcc-warnings and with libpng versions before 1.5, which lack png_longjmp.])], [[#include ]]) CFLAGS=$SAVE_CFLAGS fi AC_SUBST(LIBPNG) AC_SUBST(PNG_CFLAGS) ### Use -ltiff if available, unless '--with-tiff=no'. ### mingw32 doesn't use -ltiff, since it loads the library dynamically. HAVE_TIFF=no LIBTIFF= if test "${opsys}" = "mingw32"; then if test "${with_tiff}" != "no"; then AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no) fi if test "${HAVE_TIFF}" = "yes"; then AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).]) fi elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then if test "${with_tiff}" != "no"; then AC_CHECK_HEADER(tiffio.h, [tifflibs="-lz -lm" # At least one tiff package requires the jpeg library. if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)]) fi if test "${HAVE_TIFF}" = "yes"; then AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).]) dnl FIXME -lz -lm, as per libpng? LIBTIFF=-ltiff fi fi AC_SUBST(LIBTIFF) ### Use -lgif or -lungif if available, unless '--with-gif=no'. ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically. HAVE_GIF=no LIBGIF= if test "${opsys}" = "mingw32"; then if test "${with_gif}" != "no"; then AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no) fi if test "${HAVE_GIF}" = "yes"; then AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.]) fi elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \ || test "${HAVE_W32}" = "yes"; then AC_CHECK_HEADER(gif_lib.h, # EGifPutExtensionLast only exists from version libungif-4.1.0b1. # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast. [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes, [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])]) if test "$HAVE_GIF" = yes; then LIBGIF=-lgif elif test "$HAVE_GIF" = maybe; then # If gif_lib.h but no libgif, try libungif. AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no) test "$HAVE_GIF" = yes && LIBGIF=-lungif fi if test "${HAVE_GIF}" = "yes"; then AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.]) fi fi AC_SUBST(LIBGIF) dnl Check for required libraries. MISSING= WITH_NO= if test "${HAVE_X11}" = "yes"; then test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" && MISSING="libXpm" && WITH_NO="--with-xpm=no" test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" && MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no" test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" && MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no" test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" && MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no" test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" && MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no" fi test "${with_gnutls}" != "no" && test "${HAVE_GNUTLS}" != "yes" && MISSING="$MISSING gnutls" && WITH_NO="$WITH_NO --with-gnutls=no" if test "X${MISSING}" != X; then AC_MSG_ERROR([The following required libraries were not found: $MISSING Maybe some development libraries/packages are missing? If you don't want to link with them give $WITH_NO as options to configure]) fi ### Use -lgpm if available, unless '--with-gpm=no'. HAVE_GPM=no LIBGPM= if test "${with_gpm}" != "no"; then AC_CHECK_HEADER(gpm.h, [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)]) if test "${HAVE_GPM}" = "yes"; then AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).]) LIBGPM=-lgpm fi fi AC_SUBST(LIBGPM) dnl Check for malloc/malloc.h on darwin AC_CHECK_HEADERS_ONCE(malloc/malloc.h) GNUSTEP_CFLAGS= ### Use NeXTstep API to implement GUI. if test "${HAVE_NS}" = "yes"; then AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.]) if test "${NS_IMPL_COCOA}" = "yes"; then AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.]) fi if test "${NS_IMPL_GNUSTEP}" = "yes"; then AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.]) if test $NS_GNUSTEP_CONFIG != yes; then # See also .m.o rule in src/Makefile.in. */ # FIXME: are all these flags really needed? Document here why. */ GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}" ## Extra CFLAGS applied to src/*.m files. GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE" fi fi OTHER_FILES=ns-app fi ### Use session management (-lSM -lICE) if available HAVE_X_SM=no LIBXSM= if test "${HAVE_X11}" = "yes"; then AC_CHECK_HEADER(X11/SM/SMlib.h, [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)]) if test "${HAVE_X_SM}" = "yes"; then AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).]) LIBXSM="-lSM -lICE" fi fi AC_SUBST(LIBXSM) ### Use XRandr (-lXrandr) if available HAVE_XRANDR=no if test "${HAVE_X11}" = "yes"; then XRANDR_REQUIRED=1.2.2 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED" EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES]) if test $HAVE_XRANDR = no; then # Test old way in case pkg-config doesn't have it (older machines). # Include Xrender.h by hand to work around bug in older Xrandr.h # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465). AC_CHECK_HEADER(X11/extensions/Xrandr.h, [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)], [], [AC_INCLUDES_DEFAULT #include ]) if test $HAVE_XRANDR = yes; then XRANDR_LIBS=-lXrandr fi fi if test $HAVE_XRANDR = yes; then AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.]) fi fi AC_SUBST(XRANDR_CFLAGS) AC_SUBST(XRANDR_LIBS) ### Use Xinerama (-lXinerama) if available HAVE_XINERAMA=no if test "${HAVE_X11}" = "yes"; then XINERAMA_REQUIRED=1.0.2 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED" EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES]) if test $HAVE_XINERAMA = no; then # Test old way in case pkg-config doesn't have it (older machines). AC_CHECK_HEADER(X11/extensions/Xinerama.h, [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)]) if test $HAVE_XINERAMA = yes; then XINERAMA_LIBS=-lXinerama fi fi if test $HAVE_XINERAMA = yes; then AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.]) fi fi AC_SUBST(XINERAMA_CFLAGS) AC_SUBST(XINERAMA_LIBS) ### Use Xfixes (-lXfixes) if available HAVE_XFIXES=no if test "${HAVE_X11}" = "yes"; then XFIXES_REQUIRED=4.0.0 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED" EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES]) if test $HAVE_XFIXES = no; then # Test old way in case pkg-config doesn't have it (older machines). AC_CHECK_HEADER(X11/extensions/Xfixes.h, [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)]) if test $HAVE_XFIXES = yes; then XFIXES_LIBS=-lXfixes fi fi if test $HAVE_XFIXES = yes; then AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.]) fi fi AC_SUBST(XFIXES_CFLAGS) AC_SUBST(XFIXES_LIBS) ### Use libxml (-lxml2) if available ### mingw32 doesn't use -lxml2, since it loads the library dynamically. HAVE_LIBXML2=no if test "${with_xml2}" != "no"; then ### I'm not sure what the version number should be, so I just guessed. EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17]) # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc. if test "${HAVE_LIBXML2}" != "yes" && test "$opsys" = "darwin"; then SAVE_CPPFLAGS="$CPPFLAGS" if test -z "$xcsdkdir" -a -n "$XCRUN" -a ! -d /usr/include; then dnl /usr/include is not found. Try Xcode SDK dir if it is sane. xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null` case $xcsdkdir in *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*) xcsdkdir="" ;; esac fi CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2" AC_CHECK_HEADER(libxml/HTMLparser.h, [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, , [#include ])]) CPPFLAGS="$SAVE_CPPFLAGS" if test "${HAVE_LIBXML2}" = "yes"; then LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'" LIBXML2_LIBS="-lxml2" fi fi if test "${HAVE_LIBXML2}" = "yes"; then if test "${opsys}" != "mingw32"; then AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no, [$LIBXML2_LIBS]) else LIBXML2_LIBS="" fi if test "${HAVE_LIBXML2}" = "yes"; then AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).]) else LIBXML2_LIBS="" LIBXML2_CFLAGS="" fi fi fi AC_SUBST(LIBXML2_LIBS) AC_SUBST(LIBXML2_CFLAGS) # Check for mail-locking functions in a "mail" library. Probably this should # have the same check as for liblockfile below. AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no) if test $have_mail = yes; then LIBS_MAIL=-lmail AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the 'mail' library (-lmail).]) OLD_LIBS=$LIBS LIBS="$LIBS_MAIL $LIBS" AC_CHECK_FUNCS(touchlock) LIBS=$OLD_LIBS else LIBS_MAIL= fi dnl Debian, at least: AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no) if test $have_lockfile = yes; then LIBS_MAIL=-llockfile AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the 'lockfile' library (-llockfile).]) else # If we have the shared liblockfile, assume we must use it for mail # locking (e.g. Debian). If we couldn't link against liblockfile # (no liblockfile.a installed), ensure that we don't need to. dnl This works for files generally, not just executables. dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf? AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no, /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH) if test $ac_cv_prog_liblockfile = yes; then AC_MSG_ERROR([Shared liblockfile found but can't link against it. This probably means that movemail could lose mail. There may be a 'development' package to install containing liblockfile.]) fi fi AC_CHECK_HEADERS_ONCE(maillock.h) AC_SUBST(LIBS_MAIL) ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to ## interlock access to the mail spool. The alternative is a lock file named ## /usr/spool/mail/$USER.lock. mail_lock=no case "$opsys" in aix4-2) mail_lock="lockf" ;; gnu|freebsd|dragonfly|netbsd|openbsd|darwin) mail_lock="flock" ;; ## On GNU/Linux systems, both methods are used by various mail programs. ## I assume most people are using newer mailers that have heard of flock. ## Change this if you need to. ## Debian contains a patch which says: "On Debian/GNU/Linux systems, ## configure gets the right answers, and that means *NOT* using flock. ## Using flock is guaranteed to be the wrong thing. See Debian Policy ## for details." and then uses '#ifdef DEBIAN'. Unfortunately the ## Debian maintainer hasn't provided a clean fix for Emacs. ## movemail.c will use 'maillock' when MAILDIR, HAVE_LIBMAIL and ## HAVE_MAILLOCK_H are defined, so the following appears to be the ## correct logic. -- fx ## We must check for HAVE_LIBLOCKFILE too, as movemail does. ## liblockfile is a Free Software replacement for libmail, used on ## Debian systems and elsewhere. -rfr. gnu-*) mail_lock="flock" if test $have_mail = yes || test $have_lockfile = yes; then test $ac_cv_header_maillock_h = yes && mail_lock=no fi ;; mingw32) mail_lock="none-needed" ;; esac BLESSMAIL_TARGET= case "$mail_lock" in flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;; lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;; none-needed) ;; *) BLESSMAIL_TARGET="need-blessmail" ;; esac AC_SUBST(BLESSMAIL_TARGET) OLD_LIBS=$LIBS LIBS="$LIB_PTHREAD $LIB_MATH $LIBS" AC_CHECK_FUNCS(accept4 fchdir gethostname \ getrusage get_current_dir_name \ lrand48 random rint \ select getpagesize setlocale newlocale \ getrlimit setrlimit shutdown \ pthread_sigmask strsignal setitimer \ sendto recvfrom getsockname getifaddrs freeifaddrs \ gai_strerror sync \ getpwent endpwent getgrent endgrent \ cfmakeraw cfsetspeed copysign __executable_start log2) LIBS=$OLD_LIBS dnl No need to check for posix_memalign if aligned_alloc works. AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break]) AC_CHECK_DECLS([aligned_alloc], [], [], [[#include ]]) dnl Cannot use AC_CHECK_FUNCS AC_CACHE_CHECK([for __builtin_unwind_init], emacs_cv_func___builtin_unwind_init, [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])], emacs_cv_func___builtin_unwind_init=yes, emacs_cv_func___builtin_unwind_init=no)]) if test $emacs_cv_func___builtin_unwind_init = yes; then AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1, [Define to 1 if you have the '__builtin_unwind_init' function.]) fi AC_CHECK_HEADERS_ONCE(sys/un.h) AC_FUNC_FSEEKO # UNIX98 PTYs. AC_CHECK_FUNCS(grantpt) # PTY-related GNU extensions. AC_CHECK_FUNCS(getpt posix_openpt) # Check this now, so that we will NOT find the above functions in ncurses. # That is because we have not set up to link ncurses in lib-src. # It's better to believe a function is not available # than to expect to find it in ncurses. # Also we need tputs and friends to be able to build at all. AC_MSG_CHECKING([for library containing tputs]) # Run a test program that contains a call to tputs, a call that is # never executed. This tests whether a pre-'main' dynamic linker # works with the library. It's too much trouble to actually call # tputs in the test program, due to portability hassles. When # cross-compiling, assume the test program will run if it links. AC_DEFUN([tputs_link_source], [ AC_LANG_SOURCE( [[extern void tputs (const char *, int, int (*)(int)); int main (int argc, char **argv) { if (argc == 10000) tputs (argv[0], 0, 0); return 0; }]]) ]) if test "${opsys}" = "mingw32"; then msg='none required' else # Maybe curses should be tried earlier? # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35 for tputs_library in '' tinfo ncurses terminfo termcap curses; do OLIBS=$LIBS if test -z "$tputs_library"; then LIBS_TERMCAP= msg='none required' else LIBS_TERMCAP=-l$tputs_library msg=$LIBS_TERMCAP LIBS="$LIBS_TERMCAP $LIBS" fi AC_RUN_IFELSE([tputs_link_source], [], [msg=no], [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])]) LIBS=$OLIBS if test "X$msg" != Xno; then break fi done fi AC_MSG_RESULT([$msg]) if test "X$msg" = Xno; then AC_MSG_ERROR([The required function 'tputs' was not found in any library. The following libraries were tried (in order): libtinfo, libncurses, libterminfo, libtermcap, libcurses Please try installing whichever of these libraries is most appropriate for your system, together with its header files. For example, a libncurses-dev(el) or similar package.]) fi ## Use termcap instead of terminfo? ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500. TERMINFO=yes ## FIXME? In the cases below where we unconditionally set ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo, ## if that was found above to have tputs. ## Should we use the gnu* logic everywhere? case "$opsys" in ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2. ## The ncurses library has been moved out of the System framework in ## Mac OS X 10.2. So if configure detects it, set the command-line ## option to use it. darwin) LIBS_TERMCAP="-lncurses" ;; gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;; freebsd) AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo]) AC_CACHE_VAL(emacs_cv_freebsd_terminfo, [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], [[#if __FreeBSD_version < 400000 fail; #endif ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)]) AC_MSG_RESULT($emacs_cv_freebsd_terminfo) if test $emacs_cv_freebsd_terminfo = yes; then LIBS_TERMCAP="-lncurses" else TERMINFO=no LIBS_TERMCAP="-ltermcap" fi ;; mingw32) TERMINFO=no LIBS_TERMCAP= ;; netbsd) if test "x$LIBS_TERMCAP" != "x-lterminfo"; then TERMINFO=no LIBS_TERMCAP="-ltermcap" fi ;; openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;; ## hpux: Make sure we get select from libc rather than from libcurses ## because libcurses on HPUX 10.10 has a broken version of select. ## We used to use -lc -lcurses, but this may be cleaner. ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly # set that way, now it uses the default). Isn't this a contradiction? hpux*) LIBS_TERMCAP="-ltermcap" ;; esac TERMCAP_OBJ=tparam.o if test $TERMINFO = yes; then AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.]) TERMCAP_OBJ=terminfo.o fi if test "X$LIBS_TERMCAP" = "X-lncurses"; then AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.]) fi AC_SUBST(LIBS_TERMCAP) AC_SUBST(TERMCAP_OBJ) # GNU/Linux-specific timer functions. AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[#include ]], [[timerfd_create (CLOCK_REALTIME, TFD_CLOEXEC | TFD_NONBLOCK); timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])], [emacs_cv_have_timerfd=yes], [emacs_cv_have_timerfd=no])]) if test "$emacs_cv_have_timerfd" = yes; then AC_DEFINE([HAVE_TIMERFD], 1, [Define to 1 if timerfd functions are supported as in GNU/Linux.]) fi # Alternate stack for signal handlers. AC_CACHE_CHECK([whether signals can be handled on alternate stack], [emacs_cv_alternate_stack], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[#include ]], [[stack_t ss; struct sigaction sa; ss.ss_sp = malloc (SIGSTKSZ); ss.ss_size = SIGSTKSZ; sa.sa_flags = SA_SIGINFO | SA_ONSTACK; sigaltstack (&ss, 0); sigaction (SIGSEGV, &sa, 0);]])], [emacs_cv_alternate_stack=yes], [emacs_cv_alternate_stack=no])]) # Do we need the Hesiod library to provide the support routines? dnl FIXME? Should we be skipping this on Darwin too? LIBHESIOD= LIBRESOLV= if test "$with_hesiod" != no ; then # Don't set $LIBS here -- see comments above. FIXME which comments? resolv=no AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, , [AC_CHECK_LIB(resolv, res_send, resolv=yes, [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])]) if test "$resolv" = yes ; then RESOLVLIB=-lresolv else RESOLVLIB= fi hesiod=no AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost, hesiod=yes, :, $RESOLVLIB)]) if test x"$hesiod" = xyes; then LIBHESIOD=-lhesiod LIBRESOLV=$RESOLVLIB fi fi AC_SUBST(LIBHESIOD) AC_SUBST(LIBRESOLV) # These tell us which Kerberos-related libraries to use. COM_ERRLIB= CRYPTOLIB= KRB5LIB= DESLIB= KRB4LIB= if test "${with_kerberos}" != no; then OLD_LIBS=$LIBS AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no) if test $have_com_err = yes; then COM_ERRLIB=-lcom_err LIBS="$COM_ERRLIB $LIBS" fi AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no) if test $have_crypto = yes; then CRYPTOLIB=-lcrypto LIBS="$CRYPTOLIB $LIBS" fi AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no) if test $have_k5crypto = yes; then CRYPTOLIB=-lk5crypto LIBS="$CRYPTOLIB $LIBS" fi AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no) if test $have_krb5=yes; then KRB5LIB=-lkrb5 LIBS="$KRB5LIB $LIBS" fi dnl FIXME Simplify. Does not match 22 logic, thanks to default_off? if test "${with_kerberos5}" = no; then AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no ) if test $have_des425 = yes; then DESLIB=-ldes425 LIBS="$DESLIB $LIBS" else AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no) if test $have_des = yes; then DESLIB=-ldes LIBS="$DESLIB $LIBS" fi fi AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no) if test $have_krb4 = yes; then KRB4LIB=-lkrb4 LIBS="$KRB4LIB $LIBS" else AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no) if test $have_krb = yes; then KRB4LIB=-lkrb LIBS="$KRB4LIB $LIBS" fi fi fi if test "${with_kerberos5}" != no; then AC_CHECK_HEADERS(krb5.h, [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,, [#include ])]) else AC_CHECK_HEADERS(krb.h,, [AC_CHECK_HEADERS(kerberosIV/krb.h,, [AC_CHECK_HEADERS(kerberos/krb.h)])]) fi AC_CHECK_HEADERS(com_err.h) LIBS=$OLD_LIBS fi AC_SUBST(COM_ERRLIB) AC_SUBST(CRYPTOLIB) AC_SUBST(KRB5LIB) AC_SUBST(DESLIB) AC_SUBST(KRB4LIB) AC_CHECK_HEADERS(valgrind/valgrind.h) AC_CHECK_MEMBERS([struct unipair.unicode], [], [], [[#include ]]) AC_CHECK_FUNCS_ONCE(tzset) ok_so_far=yes AC_CHECK_FUNC(socket, , ok_so_far=no) if test $ok_so_far = yes; then AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no) fi if test $ok_so_far = yes; then AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no) fi if test $ok_so_far = yes; then dnl Fixme: Not used. Should this be HAVE_SOCKETS? AC_DEFINE(HAVE_INET_SOCKETS, 1, [Define to 1 if you have inet sockets.]) fi AC_FUNC_FORK AC_CHECK_FUNCS(snprintf) dnl Check for glib. This differs from other library checks in that dnl Emacs need not link to glib unless some other library is already dnl linking to glib. Although glib provides no facilities that Emacs dnl needs for its own purposes, when glib is present Emacs needs to dnl use primitives like g_main_context_query to avoid clashing with dnl glib at a low level. dnl dnl Check this late, since it depends on $GTK_CFLAGS etc. XGSELOBJ= OLDCFLAGS="$CFLAGS" OLDLIBS="$LIBS" CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS" LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS" CFLAGS="$CFLAGS $NOTIFY_CFLAGS $CAIRO_CFLAGS" LIBS="$LIBS $NOTIFY_LIBS $CAIRO_LIBS" AC_MSG_CHECKING([whether GLib is linked in]) AC_LINK_IFELSE([AC_LANG_PROGRAM( [[#include ]], [[g_print ("Hello world");]])], [links_glib=yes], [links_glib=no]) AC_MSG_RESULT([$links_glib]) if test "${links_glib}" = "yes"; then AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.]) if test "$HAVE_NS" = no;then XGSELOBJ=xgselect.o fi fi CFLAGS="$OLDCFLAGS" LIBS="$OLDLIBS" AC_SUBST(XGSELOBJ) dnl Adapted from Haible's version. AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset, [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], [[char* cs = nl_langinfo(CODESET);]])], emacs_cv_langinfo_codeset=yes, emacs_cv_langinfo_codeset=no) ]) if test $emacs_cv_langinfo_codeset = yes; then AC_DEFINE(HAVE_LANGINFO_CODESET, 1, [Define if you have and nl_langinfo(CODESET).]) fi AC_TYPE_MBSTATE_T dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear dnl how the tty code is related to POSIX and/or other versions of termios. dnl The following looks like a useful start. dnl dnl AC_SYS_POSIX_TERMIOS dnl if test $ac_cv_sys_posix_termios = yes; then dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions dnl and macros for terminal control.]) dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.]) dnl fi dnl Turned on June 1996 supposing nobody will mind it. dnl MinGW emulates passwd database, so this feature doesn't make sense there. if test "${opsys}" != "mingw32"; then AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that & in the full name stands for the login id.]) fi dnl Everybody supports this, except MS. dnl Seems like the kind of thing we should be testing for, though. ## Note: PTYs are broken on darwin <6. Use at your own risk. if test "${opsys}" != "mingw32"; then AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.]) fi dnl Everybody supports this, except MS-DOS. dnl Seems like the kind of thing we should be testing for, though. dnl Compare with HAVE_INET_SOCKETS (which is unused...) above. AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports 4.2-compatible sockets.]) AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".]) AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get a null file, or a data sink.]) if test "${opsys}" = "mingw32"; then AC_DEFINE(NULL_DEVICE, ["NUL:"]) else AC_DEFINE(NULL_DEVICE, ["/dev/null"]) fi if test "${opsys}" = "mingw32"; then SEPCHAR=';' else SEPCHAR=':' fi AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.]) dnl This is for MinGW, and is used in test/Makefile.in. dnl The MSYS Bash has heuristics for replacing ':' with ';' when it dnl decides that a command-line argument to be passed to a MinGW program dnl is a PATH-style list of directories. But that heuristics plays it dnl safe, and only does the replacement when it is _absolutely_ sure it dnl sees a colon-separated list of file names; e.g. ":." is left alone, dnl which breaks in-tree builds. So we do this manually instead. dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always dnl be computed as ':' in MSYS Bash. AC_SUBST(SEPCHAR) dnl Everybody supports this, except MS-DOS. AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.]) AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.]) AC_DEFINE(DIRECTORY_SEP, ['/'], [Character that separates directories in a file name.]) if test "${opsys}" = "mingw32"; then AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')], [Returns true if character is a device separator.]) AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')], [Returns true if character is a directory separator.]) AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))], [Returns true if character is any form of separator.]) else AC_DEFINE(IS_DEVICE_SEP(_c_), 0, [Returns true if character is a device separator.]) AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)], [Returns true if character is a directory separator.]) AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))], [Returns true if character is any form of separator.]) fi if test "$USE_X_TOOLKIT" != "none"; then have_editres=yes case $opsys in hpux*) dnl Assar Westerlund says this is necessary dnl for HP-UX 10.20, and that it works for HP-UX 0 as well. have_editres=no ;; esac if test "$have_editres" != no && test ! -z "$LIBXMU"; then OLDLIBS="$LIBS" dnl See libXmu.a check above. if test x$HAVE_X11XTR6 = xyes; then LIBS="-lXt -lSM -lICE $LIBXMU" else OTHERLIBS="-lXt -$LIBXMU" fi AC_TRY_LINK( [#include #include ], [_XEditResCheckMessages (0, 0, 0, 0);], [AC_DEFINE([X_TOOLKIT_EDITRES], 1, [Define to 1 if we should use XEditRes.])]) LIBS=$OLDLIBS fi fi case $opsys in sol2* | unixware ) dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments; dnl instead, there's a system variable _sys_nsig. Unfortunately, we dnl need the constant to dimension an array. So wire in the appropriate dnl value here. AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.]) ;; esac emacs_broken_SIGIO=no case $opsys in dnl SIGIO exists, but the feature doesn't work in the way Emacs needs. dnl See eg . hpux* | nacl | openbsd | sol2* | unixware ) emacs_broken_SIGIO=yes ;; aix4-2) dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given dnl the way this system works, libc functions that return malloced dnl memory use the libc malloc implementation. Calling xfree or dnl xrealloc on the results of such functions results in a crash. dnl dnl One solution for this could be to define SYSTEM_MALLOC in configure, dnl but that does not currently work on this system. dnl dnl It is possible to completely override the malloc implementation on dnl AIX, but that involves putting the malloc functions in a shared dnl library and setting the MALLOCTYPE environment variable to point to dnl that shared library. dnl dnl Emacs currently calls xrealloc on the results of get_current_dir name, dnl to avoid a crash just use the Emacs implementation for that function. dnl dnl FIXME We could change the AC_CHECK_FUNCS call near the start dnl of this file, so that we do not check for get_current_dir_name dnl on AIX. But that might be fragile if something else ends dnl up testing for get_current_dir_name as a dependency. AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if get_current_dir_name should not be used.]) ;; freebsd) dnl Circumvent a bug in FreeBSD. In the following sequence of dnl writes/reads on a PTY, read(2) returns bogus data: dnl dnl write(2) 1022 bytes dnl write(2) 954 bytes, get EAGAIN dnl read(2) 1024 bytes in process_read_output dnl read(2) 11 bytes in process_read_output dnl dnl That is, read(2) returns more bytes than have ever been written dnl successfully. The 1033 bytes read are the 1022 bytes written dnl successfully after processing (for example with CRs added if the dnl terminal is set up that way which it is here). The same bytes will dnl be seen again in a later read(2), without the CRs. AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to work around an issue when reading from a PTY.]) ;; esac case $opsys in gnu-* | sol2-10 ) dnl FIXME Can't we test if this exists (eg /proc/$$)? AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.]) ;; esac case $opsys in darwin | dragonfly | freebsd | netbsd | openbsd ) AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to close a pty to make it a controlling terminal (it is already a controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).]) ;; esac dnl FIXME Surely we can test for this rather than hard-code it. case $opsys in netbsd | openbsd) sound_device="/dev/audio" ;; *) sound_device="/dev/dsp" ;; esac dnl Used in sound.c AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device", [Name of the default sound device.]) dnl Emacs can read input using SIGIO and buffering characters itself, dnl or using CBREAK mode and making C-g cause SIGINT. dnl The choice is controlled by the variable interrupt_input. dnl dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO) dnl dnl Emacs uses the presence of the USABLE_SIGIO macro dnl to indicate whether or not signal-driven I/O is possible. It uses dnl INTERRUPT_INPUT to decide whether to use it by default. dnl dnl SIGIO can be used only on systems that implement it (4.2 and 4.3). dnl CBREAK mode has two disadvantages dnl 1) At least in 4.2, it is impossible to handle the Meta key properly. dnl I hear that in system V this problem does not exist. dnl 2) Control-G causes output to be discarded. dnl I do not know whether this can be fixed in system V. dnl dnl Another method of doing input is planned but not implemented. dnl It would have Emacs fork off a separate process dnl to read the input and send it to the true Emacs process dnl through a pipe. case $opsys in darwin | gnu-linux | gnu-kfreebsd ) AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.]) ;; esac dnl If the system's imake configuration file defines 'NeedWidePrototypes' dnl as 'NO', we must define NARROWPROTO manually. Such a define is dnl generated in the Makefile generated by 'xmkmf'. If we don't define dnl NARROWPROTO, we will see the wrong function prototypes for X functions dnl taking float or double parameters. case $opsys in cygwin|gnu|gnu-linux|gnu-kfreebsd|freebsd|netbsd|openbsd) AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration file defines 'NeedWidePrototypes' as 'NO'.]) ;; esac dnl Used in process.c, this must be a loop, even if it only runs once. AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.]) dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z, dnl trying suffixes 0-16. AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of first PTY, if PTYs are supported.]) AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.]) AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control end of a PTY, if non-standard.]) AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty end of a PTY, if non-standard.]) case $opsys in aix4-2 ) AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)]) dnl You allocate a pty by opening /dev/ptc to get the master side. dnl To get the name of the slave side, you just ttyname() the master side. AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");]) AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));]) ;; cygwin ) AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)]) dnl multi-line AC_DEFINEs are hard. :( AC_DEFINE(PTY_OPEN, [ do { int dummy; sigset_t blocked, procmask; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, &procmask); if (-1 == openpty (&fd, &dummy, pty_name, 0, 0)) fd = -1; pthread_sigmask (SIG_SETMASK, &procmask, 0); if (fd >= 0) emacs_close (dummy); } while (false)]) AC_DEFINE(PTY_NAME_SPRINTF, []) AC_DEFINE(PTY_TTY_NAME_SPRINTF, []) ;; gnu | openbsd ) AC_DEFINE(FIRST_PTY_LETTER, ['p']) ;; gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd | darwin | nacl ) dnl if HAVE_GRANTPT if test "x$ac_cv_func_grantpt" = xyes; then AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.]) AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)]) dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD dnl to prevent sigchld_handler from intercepting the child's death. AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptyname = 0; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); if (grantpt (fd) != -1 && unlockpt (fd) != -1) ptyname = ptsname(fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (!ptyname) { emacs_close (fd); return -1; } snprintf (pty_name, PTY_NAME_SIZE, "%s", ptyname); }]) dnl if HAVE_POSIX_OPENPT if test "x$ac_cv_func_posix_openpt" = xyes; then AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)]) AC_DEFINE(PTY_NAME_SPRINTF, []) dnl if HAVE_GETPT elif test "x$ac_cv_func_getpt" = xyes; then AC_DEFINE(PTY_OPEN, [fd = getpt ()]) AC_DEFINE(PTY_NAME_SPRINTF, []) else AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");]) fi else AC_DEFINE(FIRST_PTY_LETTER, ['p']) fi ;; hpux*) AC_DEFINE(FIRST_PTY_LETTER, ['p']) AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);]) AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);]) ;; sol2* ) dnl On SysVr4, grantpt(3) forks a subprocess, so do not use dnl O_CLOEXEC when opening the pty, and keep the SIGCHLD handler dnl from intercepting that death. If any child but grantpt's should die dnl within, it should be caught after sigrelse(2). AC_DEFINE(PTY_OPEN, [fd = open (pty_name, O_RDWR | O_NONBLOCK)]) AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); grantpt_result = grantpt (fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (grantpt_result == -1 || unlockpt (fd) == -1 || !(ptyname = ptsname (fd))) { emacs_close (fd); return -1; } snprintf (pty_name, PTY_NAME_SIZE, "%s", ptyname); }]) ;; unixware ) dnl Comments are as per sol2*. AC_DEFINE(PTY_OPEN, [fd = open (pty_name, O_RDWR | O_NONBLOCK)]) AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); grantpt_result = grantpt (fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (grantpt_result == -1) fatal("could not grant slave pty"); if (unlockpt(fd) == -1) fatal("could not unlock slave pty"); if (!(ptyname = ptsname(fd))) fatal ("could not enable slave pty"); snprintf (pty_name, PTY_NAME_SIZE, "%s", ptyname); }]) ;; esac case $opsys in sol2* | unixware ) dnl This change means that we don't loop through allocate_pty too dnl many times in the (rare) event of a failure. AC_DEFINE(FIRST_PTY_LETTER, ['z']) AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");]) dnl Push various streams modules onto a PTY channel. Used in process.c. AC_DEFINE(SETUP_SLAVE_PTY, [if (ioctl (forkin, I_PUSH, "ptem") == -1) fatal ("ioctl I_PUSH ptem"); if (ioctl (forkin, I_PUSH, "ldterm") == -1) fatal ("ioctl I_PUSH ldterm"); if (ioctl (forkin, I_PUSH, "ttcompat") == -1) fatal ("ioctl I_PUSH ttcompat");], [How to set up a slave PTY, if needed.]) ;; esac AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by "typing" a signal character on the pty.]) case $opsys in dnl Perry Smith says this is correct for AIX. aix4-2 | cygwin | gnu | dragonfly | freebsd | netbsd | openbsd | darwin ) AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1) ;; dnl 21 Jun 06: Eric Hanchrow says this works. dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely... gnu-linux | gnu-kfreebsd ) AC_MSG_CHECKING([for signals via characters]) AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[ #include #if LINUX_VERSION_CODE < 0x20400 # error "Linux version too old" #endif ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no) AC_MSG_RESULT([$emacs_signals_via_chars]) test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1) ;; esac AH_TEMPLATE(TAB3, [Undocumented.]) case $opsys in darwin) AC_DEFINE(TAB3, OXTABS) ;; gnu | dragonfly | freebsd | netbsd | openbsd ) AC_DEFINE(TABDLY, OXTABS, [Undocumented.]) AC_DEFINE(TAB3, OXTABS) ;; gnu-linux | gnu-kfreebsd ) AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[ #ifndef __ia64__ # error "not ia64" #endif ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(), [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)], [Mark a secondary stack, like the register stack on the ia64.]), []) ;; hpux*) AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call run_time_remap; for HPUX.]) ;; esac dnl This won't be used automatically yet. We also need to know, at least, dnl that the stack is continuous. AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all registers relevant for conservative garbage collection in the jmp_buf.]) case $opsys in dnl Not all the architectures are tested, but there are Debian packages dnl for SCM and/or Guile on them, so the technique must work. See also dnl comments in alloc.c concerning setjmp and gcc. dnl Fixme: it's probably safe to just use the GCC conditional below. gnu-linux | gnu-kfreebsd ) AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[ #if defined __i386__ || defined __sparc__ || defined __mc68000__ \ || defined __alpha__ || defined __mips__ || defined __s390__ \ || defined __arm__ || defined __powerpc__ || defined __amd64__ \ || defined __ia64__ || defined __sh__ /* ok */ #else # error "setjmp not known to work on this arch" #endif ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1)) ;; esac if test x$GCC = xyes; then dnl GC_SETJMP_WORKS is nearly always appropriate for GCC. AC_DEFINE(GC_SETJMP_WORKS, 1) else case $opsys in aix* | dragonfly | freebsd | netbsd | openbsd | sol2* ) AC_DEFINE(GC_SETJMP_WORKS, 1) ;; esac fi dnl GCC? dnl In a weird quirk, MS runtime uses _setjmp and longjmp. AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp], [AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[#include #ifdef __MINGW32__ # define _longjmp longjmp #endif ]], [[jmp_buf j; if (! _setjmp (j)) _longjmp (j, 1);]])], [emacs_cv_func__setjmp=yes], [emacs_cv_func__setjmp=no])]) if test $emacs_cv_func__setjmp = yes; then AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.]) fi # We need to preserve signal mask to handle C stack overflows. AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp], [AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[#include ]], [[sigjmp_buf j; if (! sigsetjmp (j, 1)) siglongjmp (j, 1);]])], [emacs_cv_func_sigsetjmp=yes], [emacs_cv_func_sigsetjmp=no])]) if test $emacs_cv_func_sigsetjmp = yes; then AC_DEFINE([HAVE_SIGSETJMP], 1, [Define to 1 if sigsetjmp and siglongjmp work.]) fi case $emacs_cv_func_sigsetjmp,$emacs_cv_alternate_stack,$opsys in yes,yes,* | *,*,mingw32) AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1, [Define to 1 if C stack overflow can be handled in some cases.]);; esac case $opsys in sol2* | unixware ) dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs, dnl and this is all we need. AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.]) ;; esac case $opsys in hpux* | sol2* ) dnl Used in xfaces.c. AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on some systems, where it requires time.h.]) ;; esac dnl Define symbols to identify the version of Unix this is. dnl Define all the symbols that apply correctly. AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.]) AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.]) AH_TEMPLATE(USG, [Define if the system is compatible with System III.]) AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.]) case $opsys in aix4-2) AC_DEFINE(USG, []) dnl This symbol should be defined on AIX Version 3 ??????? AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[ #ifndef _AIX # error "_AIX not defined" #endif ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.])) ;; cygwin) AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.]) ;; darwin) dnl Not __APPLE__, as this may not be defined on non-OSX Darwin. dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to dnl distinguish OS X from pure Darwin. AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.]) ;; gnu-linux | gnu-kfreebsd ) AC_DEFINE(USG, []) AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.]) ;; hpux*) AC_DEFINE(USG, []) AC_DEFINE(HPUX, [], [Define if the system is HPUX.]) ;; mingw32) AC_DEFINE(DOS_NT, []) AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.]) if test "x$ac_enable_checking" != "x" ; then AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.]) fi ;; sol2*) AC_DEFINE(USG, []) AC_DEFINE(USG5_4, []) AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.]) ;; unixware) AC_DEFINE(USG, []) AC_DEFINE(USG5_4, []) ;; esac AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD], [case $opsys in aix4-2 | nacl) dnl BUILD 9008 - FIONREAD problem still exists in X-Windows. emacs_cv_usable_FIONREAD=no ;; mingw32) emacs_cv_usable_FIONREAD=yes ;; *) AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[#include #include #ifdef USG5_4 # include #endif ]], [[int foo = ioctl (0, FIONREAD, &foo);]])], [emacs_cv_usable_FIONREAD=yes], [emacs_cv_usable_FIONREAD=no]) ;; esac]) if test $emacs_cv_usable_FIONREAD = yes; then AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.]) if test $emacs_broken_SIGIO = no; then AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[#include #include ]], [[int foo = SIGIO | F_SETFL | FASYNC;]])], [emacs_cv_usable_SIGIO=yes], [emacs_cv_usable_SIGIO=no])], [emacs_cv_usable_SIGIO=yes], [emacs_cv_usable_SIGIO=no]) if test $emacs_cv_usable_SIGIO = yes; then AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.]) fi fi fi case $opsys in hpux11) dnl It works to open the pty's tty in the parent (Emacs), then dnl close and reopen it in the child. AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it works to open a pty's tty in the parent process, then close and reopen it in the child.]) ;; sol2-10) AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes on Solaris.]) ;; esac # Set up the CFLAGS for real compilation, so we can substitute it. CFLAGS="$REAL_CFLAGS" CPPFLAGS="$REAL_CPPFLAGS" LIBS="$REAL_LIBS" ## Hack to detect a buggy GCC version. if test "$GCC" = yes && \ $CC --version 2> /dev/null | grep 'gcc.* 4.5.0' >/dev/null; then case $CFLAGS in *-fno-optimize-sibling-calls*) ;; *-O@<:@23@:>@*) AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS.]);; esac fi version=$PACKAGE_VERSION copyright="Copyright (C) 2016 Free Software Foundation, Inc." AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"], [Short copyright string for this version of Emacs.]) AC_SUBST(copyright) ### Specify what sort of things we'll be editing into Makefile and config.h. ### Use configuration here uncanonicalized to avoid exceeding size limits. AC_SUBST(version) AC_SUBST(configuration) ## Unused? AC_SUBST(canonical) AC_SUBST(srcdir) AC_SUBST(prefix) AC_SUBST(exec_prefix) AC_SUBST(bindir) AC_SUBST(datadir) AC_SUBST(sharedstatedir) AC_SUBST(libexecdir) AC_SUBST(mandir) AC_SUBST(infodir) AC_SUBST(lispdir) AC_SUBST(standardlisppath) AC_SUBST(locallisppath) AC_SUBST(lisppath) AC_SUBST(x_default_search_path) AC_SUBST(etcdir) AC_SUBST(archlibdir) AC_SUBST(etcdocdir) AC_SUBST(bitmapdir) AC_SUBST(gamedir) AC_SUBST(gameuser) AC_SUBST(gamegroup) ## FIXME? Nothing uses @LD_SWITCH_X_SITE@. ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the ## end of LIBX_BASE, but nothing ever set it. AC_SUBST(LD_SWITCH_X_SITE) AC_SUBST(C_SWITCH_X_SITE) AC_SUBST(GNUSTEP_CFLAGS) AC_SUBST(CFLAGS) ## Used in lwlib/Makefile.in. AC_SUBST(X_TOOLKIT_TYPE) AC_SUBST(ns_appdir) AC_SUBST(ns_appbindir) AC_SUBST(ns_appresdir) AC_SUBST(ns_appsrc) AC_SUBST(GNU_OBJC_CFLAGS) AC_SUBST(OTHER_FILES) if test -n "${term_header}"; then AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}", [Define to the header for the built-in window system.]) fi AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}", [Define to the canonical Emacs configuration name.]) AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}", [Define to the options passed to configure.]) XMENU_OBJ= XOBJ= FONT_OBJ= if test "${HAVE_X_WINDOWS}" = "yes" ; then AC_DEFINE(HAVE_X_WINDOWS, 1, [Define to 1 if you want to use the X window system.]) XMENU_OBJ=xmenu.o XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o" FONT_OBJ=xfont.o if test "$HAVE_CAIRO" = "yes"; then FONT_OBJ="ftfont.o ftcrfont.o" elif test "$HAVE_XFT" = "yes"; then FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o" elif test "$HAVE_FREETYPE" = "yes"; then FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o" fi AC_SUBST(FONT_OBJ) fi AC_SUBST(XMENU_OBJ) AC_SUBST(XOBJ) AC_SUBST(FONT_OBJ) WIDGET_OBJ= MOTIF_LIBW= if test "${USE_X_TOOLKIT}" != "none" ; then WIDGET_OBJ=widget.o AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.]) if test "${USE_X_TOOLKIT}" = "LUCID"; then AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.]) elif test "${USE_X_TOOLKIT}" = "MOTIF"; then AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.]) MOTIF_LIBW=-lXm case "$opsys" in gnu-linux) ## Paul Abrahams says this is needed. MOTIF_LIBW="$MOTIF_LIBW -lXpm" ;; unixware) ## Richard Anthony Ryan ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2. MOTIF_LIBW="MOTIF_LIBW -lXimp" ;; aix4-2) ## olson@mcs.anl.gov says -li18n is needed by -lXm. MOTIF_LIBW="$MOTIF_LIBW -li18n" ;; esac MOTIF_LIBW="$MOTIF_LIBW $LIBXP" fi fi AC_SUBST(WIDGET_OBJ) TOOLKIT_LIBW= case "$USE_X_TOOLKIT" in MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;; LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;; none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;; esac if test "$HAVE_XWIDGETS" = "yes"; then TOOLKIT_LIBW="$TOOLKIT_LIBW -lXcomposite" fi AC_SUBST(TOOLKIT_LIBW) if test "${opsys}" != "mingw32"; then if test "$USE_X_TOOLKIT" = "none"; then LIBXT_OTHER="\$(LIBXSM)" else LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext" fi fi AC_SUBST(LIBXT_OTHER) if test "${HAVE_X11}" = "yes" ; then AC_DEFINE(HAVE_X11, 1, [Define to 1 if you want to use version 11 of X windows.]) LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)" else LIBX_OTHER= fi AC_SUBST(LIBX_OTHER) if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then LIBXMENU= elif test "$USE_X_TOOLKIT" = none; then LIBXMENU='$(oldXMenudir)/libXMenu11.a' else LIBXMENU='$(lwlibdir)/liblw.a' fi AC_SUBST(LIBXMENU) AC_CACHE_CHECK([for struct alignment], [emacs_cv_struct_alignment], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[#include struct __attribute__ ((aligned (8))) s { char c; }; struct t { char c; struct s s; }; char verify[offsetof (struct t, s) == 8 ? 1 : -1]; ]])], [emacs_cv_struct_alignment=yes], [emacs_cv_struct_alignment=no])]) if test "$emacs_cv_struct_alignment" = yes; then AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1, [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the structure to an N-byte boundary.]) fi if test "${GNU_MALLOC}" = "yes" ; then AC_DEFINE(GNU_MALLOC, 1, [Define to 1 if you want to use the GNU memory allocator.]) fi RALLOC_OBJ= if test "${REL_ALLOC}" = "yes" ; then AC_DEFINE(REL_ALLOC, 1, [Define REL_ALLOC if you want to use the relocating allocator for buffer space.]) test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o fi AC_SUBST(RALLOC_OBJ) if test "$opsys" = "cygwin"; then CYGWIN_OBJ="cygw32.o" ## Cygwin differs because of its unexec(). PRE_ALLOC_OBJ= POST_ALLOC_OBJ=lastfile.o elif test "$opsys" = "mingw32"; then CYGWIN_OBJ= PRE_ALLOC_OBJ= POST_ALLOC_OBJ=lastfile.o else CYGWIN_OBJ= PRE_ALLOC_OBJ=lastfile.o POST_ALLOC_OBJ= fi AC_SUBST(CYGWIN_OBJ) AC_SUBST(PRE_ALLOC_OBJ) AC_SUBST(POST_ALLOC_OBJ) dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE' dnl verbatim defined above. The tricky name is apropos, as this hack dnl makes Fortify go sour! AH_VERBATIM([FORTIFY_SOUR], [/* Without the following workaround, Emacs runs slowly on OS X 10.8. The workaround disables some useful run-time checking, so it should be conditional to the platforms with the performance bug. Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */ #if defined __APPLE__ && defined __GNUC__ # ifndef _DONT_USE_CTYPE_INLINE_ # define _DONT_USE_CTYPE_INLINE_ # endif # ifndef _FORTIFY_SOURCE # define _FORTIFY_SOURCE 0 # endif #endif ]) # If user asks to omit features, disable optional features that gnulib # might otherwise enable. if test "$with_features" = no && test "$enable_acl" != yes; then enable_acl=no fi # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently. # it temporarily reverts them to their pre-pkg-config values, # because gnulib needs to work with both src (which uses the # pkg-config stuff) and lib-src (which does not). For example, gnulib # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt, # and it therefore needs to run in an environment where LIBS does not # already contain -lrt merely because 'pkg-config --libs' printed '-lrt' # for some package unrelated to lib-src. SAVE_CFLAGS=$CFLAGS SAVE_LIBS=$LIBS CFLAGS=$pre_PKG_CONFIG_CFLAGS LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS" gl_ASSERT_NO_GNULIB_POSIXCHECK gl_ASSERT_NO_GNULIB_TESTS gl_INIT CFLAGS=$SAVE_CFLAGS LIBS=$SAVE_LIBS if test "${opsys}" = "mingw32"; then CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc" # Remove unneeded switches from the value of CC that goes to Makefiles CC=`AS_ECHO(["$CC"]) | sed -e "s,$GCC_TEST_OPTIONS,,"` fi case "$opsys" in aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;; cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;; darwin) ## The -headerpad option tells ld (see man page) to leave room at the ## end of the header for adding load commands. Needed for dumping. ## 0x1000 is enough for roughly 52 load commands on the x86_64 ## architecture (where they are 78 bytes each). The actual number of ## load commands added is not consistent but normally ranges from ## about 14 to about 34. Setting it high gets us plenty of slop and ## only costs about 1.5K of wasted binary space. headerpad_extra=1000 if test "$HAVE_NS" = "yes"; then libs_nsgui="-framework AppKit" if test "$NS_IMPL_COCOA" = "yes"; then libs_nsgui="$libs_nsgui -framework IOKit" fi else libs_nsgui= fi LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra" ## This is here because src/Makefile.in did some extra fiddling around ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in ## LD_SWITCH_SYSTEM_TEMACS instead, test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \ LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS" ;; ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to ## find X at run-time. ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM ## had different values in configure (in ac_link) and src/Makefile.in. ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS. gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;; mingw32) ## Is it any better under MinGW64 to relocate emacs into higher addresses? case "$canonical" in x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;; *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;; esac ;; *) LD_SWITCH_SYSTEM_TEMACS= ;; esac # -nopie fixes a temacs segfault on Gentoo, OpenBSD, and other systems # with "hardened" GCC configurations for some reason (Bug#18784). # We don't know why -nopie works, but not segfaulting is better than # segfaulting. Use ac_c_werror_flag=yes when trying -nopie, otherwise # clang keeps warning that it does not understand -nopie, and pre-4.6 # GCC has a similar problem (Bug#20338). AC_CACHE_CHECK([whether $CC accepts -nopie], [emacs_cv_prog_cc_nopie], [emacs_save_c_werror_flag=$ac_c_werror_flag emacs_save_LDFLAGS=$LDFLAGS ac_c_werror_flag=yes LDFLAGS="$LDFLAGS -nopie" AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [emacs_cv_prog_cc_nopie=yes], [emacs_cv_prog_cc_nopie=no]) ac_c_werror_flag=$emacs_save_c_werror_flag LDFLAGS=$emacs_save_LDFLAGS]) if test "$emacs_cv_prog_cc_nopie" = yes; then LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -nopie" fi if test x$ac_enable_profiling != x ; then case $opsys in *freebsd | gnu-linux) ;; *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;; esac fi LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS" AC_SUBST(LD_SWITCH_SYSTEM_TEMACS) ## Common for all window systems if test "$window_system" != "none"; then AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.]) AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.]) WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o" fi AC_SUBST(WINDOW_SYSTEM_OBJ) AH_TOP([/* GNU Emacs site configuration template file. Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2016 Free Software Foundation, Inc. This file is part of GNU Emacs. GNU Emacs is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. GNU Emacs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Emacs. If not, see . */ /* No code in Emacs #includes config.h twice, but some bits of code intended to work with other packages as well (like gmalloc.c) think they can include it as many times as they like. */ #ifndef EMACS_CONFIG_H #define EMACS_CONFIG_H ])dnl AH_BOTTOM([#include #endif /* EMACS_CONFIG_H */ /* Local Variables: mode: c End: */ ])dnl #### Report on what we decided to do. #### Report GTK as a toolkit, even if it doesn't use Xt. #### It makes printing result more understandable as using GTK sets #### toolkit_scroll_bars to yes by default. if test "${HAVE_GTK}" = "yes"; then USE_X_TOOLKIT="$USE_GTK_TOOLKIT" fi if test $USE_ACL -ne 0; then ACL_SUMMARY="yes $LIB_ACL" else ACL_SUMMARY=no fi emacs_standard_dirs='Standard dirs' AS_ECHO([" Configured for '${canonical}'. Where should the build process find the source code? ${srcdir} What compiler should emacs be built with? ${CC} ${CFLAGS} Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason} Should Emacs use a relocating allocator for buffers? ${REL_ALLOC} Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers What window system should Emacs use? ${window_system} What toolkit should Emacs use? ${USE_X_TOOLKIT} Where do we find X Windows header files? ${x_includes:-$emacs_standard_dirs} Where do we find X Windows libraries? ${x_libraries:-$emacs_standard_dirs}"]) optsep= emacs_config_features= for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG CAIRO IMAGEMAGICK SOUND GPM DBUS \ GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \ LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS X_TOOLKIT X11 NS MODULES \ XWIDGETS LIBSYSTEMD CANNOT_DUMP; do case $opt in CANNOT_DUMP) eval val=\${$opt} ;; NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;; TOOLKIT_SCROLL_BARS|X_TOOLKIT) eval val=\${USE_$opt} ;; *) eval val=\${HAVE_$opt} ;; esac case x$val in xno|xnone|x) continue ;; esac case $opt in X_TOOLKIT) case $val in GTK*|LUCID|MOTIF) opt=$val ;; *) continue ;; esac ;; esac AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"]) optsep=' ' done AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}", [Summary of some of the main features enabled by configure.]) AS_ECHO([" Does Emacs use -lXaw3d? ${HAVE_XAW3D} Does Emacs use -lXpm? ${HAVE_XPM} Does Emacs use -ljpeg? ${HAVE_JPEG} Does Emacs use -ltiff? ${HAVE_TIFF} Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF Does Emacs use a png library? ${HAVE_PNG} $LIBPNG Does Emacs use -lrsvg-2? ${HAVE_RSVG} Does Emacs use cairo? ${HAVE_CAIRO} Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK} Does Emacs support sound? ${HAVE_SOUND} Does Emacs use -lgpm? ${HAVE_GPM} Does Emacs use -ldbus? ${HAVE_DBUS} Does Emacs use -lgconf? ${HAVE_GCONF} Does Emacs use GSettings? ${HAVE_GSETTINGS} Does Emacs use a file notification library? ${NOTIFY_SUMMARY} Does Emacs use access control lists? ${ACL_SUMMARY} Does Emacs use -lselinux? ${HAVE_LIBSELINUX} Does Emacs use -lgnutls? ${HAVE_GNUTLS} Does Emacs use -lxml2? ${HAVE_LIBXML2} Does Emacs use -lfreetype? ${HAVE_FREETYPE} Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT} Does Emacs use -lotf? ${HAVE_LIBOTF} Does Emacs use -lxft? ${HAVE_XFT} Does Emacs use -lsystemd? ${HAVE_LIBSYSTEMD} Does Emacs directly use zlib? ${HAVE_ZLIB} Does Emacs have dynamic modules support? ${HAVE_MODULES} Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS} Does Emacs support Xwidgets (requires gtk3)? ${HAVE_XWIDGETS} "]) if test -n "${EMACSDATA}"; then AS_ECHO([" Environment variable EMACSDATA set to: $EMACSDATA"]) fi if test -n "${EMACSDOC}"; then AS_ECHO([" Environment variable EMACSDOC set to: $EMACSDOC"]) fi echo if test "$HAVE_NS" = "yes"; then echo AS_ECHO(["You must run \"${MAKE-make} install\" in order to test the built application. The installed application will go to nextstep/Emacs.app and can be run or moved from there."]) if test "$EN_NS_SELF_CONTAINED" = "yes"; then echo "The application will be fully self-contained." else AS_ECHO(["The lisp resources for the application will be installed under ${prefix}. You may need to run \"${MAKE-make} install\" with sudo. The application will fail to run if these resources are not installed."]) fi echo fi if test "${opsys}" = "cygwin"; then case `uname -r` in 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]]) echo ;; esac fi # Remove any trailing slashes in these variables. case $prefix in */) prefix=`AS_DIRNAME(["$prefix."])`;; esac case $exec_prefix in */) exec_prefix=`AS_DIRNAME(["$exec_prefix."])`;; esac if test "$HAVE_NS" = "yes"; then if test "$NS_IMPL_GNUSTEP" = yes; then AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \ nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in]) ns_check_file=Resources/Info-gnustep.plist else AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \ nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in]) ns_check_file=Contents/Info.plist fi AC_SUBST(ns_check_file) fi dnl config.status treats $srcdir specially, so I think this is ok... AC_CONFIG_FILES([$srcdir/doc/man/emacs.1]) dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES. dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable dnl (else you get "no 'Makefile.am' found for any configure output"). dnl This will work, but you get a config.status that is not quite right dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html). dnl That doesn't have any obvious consequences for Emacs, but on the whole dnl it seems better to just live with the duplication. SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile" AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \ doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \ doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \ leim/Makefile nextstep/Makefile nt/Makefile]) dnl test/ is not present in release tarfiles. opt_makefile=test/Makefile if test -f "$srcdir/$opt_makefile.in"; then SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile" dnl Again, it's best not to use a variable. Though you can add dnl ", [], [opt_makefile='$opt_makefile']" and it should work. AC_CONFIG_FILES([test/Makefile]) fi dnl The admin/ directory used to be excluded from tarfiles. if test -d $srcdir/admin; then SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/charsets/Makefile admin/unidata/Makefile admin/grammars/Makefile" AC_CONFIG_FILES([admin/charsets/Makefile]) AC_CONFIG_FILES([admin/unidata/Makefile]) AC_CONFIG_FILES([admin/grammars/Makefile]) fi dnl -d admin SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'` AC_SUBST(SUBDIR_MAKEFILES_IN) dnl You might wonder (I did) why epaths.h is generated by running make, dnl rather than just letting configure generate it from epaths.in. dnl One reason is that the various paths are not fully expanded (see above); dnl eg gamedir=${prefix}/var/games/emacs. dnl Secondly, the GNU Coding standards require that one should be able dnl to run 'make prefix=/some/where/else' and override the values set dnl by configure. This also explains the 'move-if-change' test and dnl the use of force in the 'epaths-force' rule in Makefile.in. AC_CONFIG_COMMANDS([src/epaths.h], [ if test "${opsys}" = "mingw32"; then ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32 else ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force fi || AC_MSG_ERROR(['src/epaths.h' could not be made.]) ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"]) dnl NB we have to cheat and use the ac_... version because abs_top_srcdir dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit, dnl or a symlink? AC_CONFIG_COMMANDS([src/.gdbinit], [ if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then AS_ECHO(["source $ac_abs_top_srcdir/src/.gdbinit"]) > src/.gdbinit fi ]) dnl Perhaps this would be better named doc-emacs-emacsver.texi? dnl See comments for etc-refcards-emacsver.tex. dnl Since we get a doc/emacs directory generated anyway, for the Makefile, dnl it is not quite the same. But we are generating in $srcdir. AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [ ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \ AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.]) ]) dnl If we give this the more natural name, etc/refcards/emacsver.texi, dnl then a directory etc/refcards is created in the build directory, dnl which is probably harmless, but confusing (in out-of-tree builds). dnl (If we were to generate etc/refcards/Makefile, this might change.) dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate. AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [ ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \ AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.]) ]) AC_OUTPUT test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])