Re: 23.0.50; Image support disabled by default?

[Tom Tromey <tromey@redhat.com>]

>>>>> ">" == YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp> writes:

>> Setting CC on configure no longer works without `--without-gcc'.
>>   CC='gcc -arch ppc64' ./configure --without-gcc

I don't see a reason to have --without-gcc at all.  The normal
approach is to have the user set CC on the command line and then have
configure detect whether or not it is gcc; AC_PROG_CC will do this.

So what do you think of this?

Tom

ChangeLog:
2008-01-27  Tom Tromey  <tromey@redhat.com>

	* INSTALL (DETAILED BUILDING AND INSTALLATION): Remove
	--with-gcc.
	* configure.in (--with-gcc): Remove.

Index: INSTALL
===================================================================
RCS file: /sources/emacs/emacs/INSTALL,v
retrieving revision 1.126
diff -u -r1.126 INSTALL
--- INSTALL	8 Jan 2008 20:46:40 -0000	1.126
+++ INSTALL	27 Jan 2008 22:57:45 -0000
@@ -270,11 +270,6 @@
 PATH is the pathname to pkg-config.  Note that GTK version 2.4 or
 newer is required for Emacs.
 
-The `--with-gcc' option specifies that the build process should
-compile Emacs using GCC.  If you don't want to use GCC, specify
-`--with-gcc=no'.  If you omit this option, `configure' will search
-for GCC in your path, and use it if present.
-
 The Emacs mail reader RMAIL is configured to be able to read mail from
 a POP3 server by default.  Versions of the POP protocol older than
 POP3 are not supported.  For Kerberos-authenticated POP add
Index: configure.in
===================================================================
RCS file: /sources/emacs/emacs/configure.in,v
retrieving revision 1.502
diff -u -r1.502 configure.in
--- configure.in	27 Jan 2008 16:06:01 -0000	1.502
+++ configure.in	27 Jan 2008 22:57:46 -0000
@@ -70,11 +70,6 @@
    m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
 ])dnl
 
-dnl By default, neither off nor on.
-AC_ARG_WITH([gcc],
-[AS_HELP_STRING([--without-gcc],
-    [don't use GCC to compile Emacs even if GCC is found])])
-
 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
 if test "$with_pop" = yes; then
    AC_DEFINE(MAIL_USE_POP)
@@ -817,11 +812,6 @@
 # Save the value of CFLAGS that the user specified.
 SPECIFIED_CFLAGS="$CFLAGS"
 
-case ${with_gcc} in
-  "yes" ) CC="gcc" GCC=yes ;;
-  "no"  ) : ${CC=cc} ;;
-  * )
-esac
 AC_PROG_CC
 
 # On Suns, sometimes $CPP names a directory.