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* bug#10155: 23.3; HEAD broken by recent commit for emacsclient
@ 2011-11-28 17:19 Randal L. Schwartz
  2011-11-28 18:07 ` Eli Zaretskii
  0 siblings, 1 reply; 7+ messages in thread
From: Randal L. Schwartz @ 2011-11-28 17:19 UTC (permalink / raw)
  To: 10155


The commit:

Author: Eli Zaretskii <eliz@gnu.org>
Date:   Sun Nov 27 20:52:53 2011 +0200

    Fix MS-Windows build with MSVC compiler.
    
    Parts of the changes by Fabrice Popineau
    <fabrice.popineau@supelec.fr>.
    
     lib-src/makefile.w32-in (LOCAL_FLAGS): Add $(EMACS_EXTRA_C_FLAGS).
     lib-src/emacsclient.c (main) <environ>: Remove declaration, already
     pulled in by unistd.h on Posix hosts and stdlib.h on MS-Windows.
     nt/inc/stdint.h (uint32_t, uint64_t) [_WIN64]: New typedefs.
     (UINT64_MAX) [_WIN64]: Fix definition.
     (uintmax_t, intmax_t): Fix definitions.
     nt/inc/inttypes.h (strtoumax, strtoimax) [!__MINGW32__]: Provide
     correct definitions.
     nt/config.nt (HAVE_DECL_STRTOLL): Define.
     (va_copy) [_WIN64]: Provide a better definition.
     src/s/ms-w32.h (utimbuf) [_MSC_VER]: Don't define.
     (snprintf) [_MSC_VER]: Redirect to _snprintf.
     (strtoll) [_MSC_VER]: Redirect to _strtoi64.
     (malloc, free, realloc, calloc): Redirect to e_* only when
     compiling Emacs.
     src/lisp.h (GCTYPEBITS): Move before first use.
     (ALIGN_GCTYPEBITS) [_MSC_VER]: Define.
     (DECL_ALIGN) [_MSC_VER]: Use it, as MSVC doesn't like bit ops in
     this macro definition.
     (tzname): Redirect to _tzname for all values of _MSC_VER.

Broke emacsclient:

cd lib-src; make all                            \
          CC='gcc -std=gnu99' CFLAGS='-g -O2' CPPFLAGS='' \
          LDFLAGS='' MAKE='make'
gcc -std=gnu99 -c   -Wimplicit-function-declaration
          -Wold-style-definition -Wdeclaration-after-statement
          -DHAVE_CONFIG_H -I. -I../src -I../lib
          -I/Users/merlyn/MIRROR/emacs-GIT/lib-src
          -I/Users/merlyn/MIRROR/emacs-GIT/lib-src/../src
          -I/Users/merlyn/MIRROR/emacs-GIT/lib-src/../lib   -g -O2
          -DCONFIG_BROKETS -DINHIBIT_STRING_HEADER \
          /Users/merlyn/MIRROR/emacs-GIT/lib-src/../src/regex.c
gcc -std=gnu99   -Wimplicit-function-declaration -Wold-style-definition
          -Wdeclaration-after-statement  -DHAVE_CONFIG_H -I. -I../src
          -I../lib -I/Users/merlyn/MIRROR/emacs-GIT/lib-src
          -I/Users/merlyn/MIRROR/emacs-GIT/lib-src/../src
          -I/Users/merlyn/MIRROR/emacs-GIT/lib-src/../lib    -g -O2
          -DEMACS_NAME="\"GNU Emacs\"" \
          -DVERSION="\"24.0.91\""
          /Users/merlyn/MIRROR/emacs-GIT/lib-src/etags.c \
          regex.o ../lib/libgnu.a  -o etags
gcc -std=gnu99   -Wimplicit-function-declaration -Wold-style-definition
          -Wdeclaration-after-statement  -DHAVE_CONFIG_H -I. -I../src
          -I../lib -I/Users/merlyn/MIRROR/emacs-GIT/lib-src
          -I/Users/merlyn/MIRROR/emacs-GIT/lib-src/../src
          -I/Users/merlyn/MIRROR/emacs-GIT/lib-src/../lib    -g -O2
          -DCTAGS -DEMACS_NAME="\"GNU Emacs\"" \
          -DVERSION="\"24.0.91\""
          /Users/merlyn/MIRROR/emacs-GIT/lib-src/etags.c \
          regex.o ../lib/libgnu.a  -o ctags
gcc -std=gnu99   -Wimplicit-function-declaration -Wold-style-definition
          -Wdeclaration-after-statement  -DHAVE_CONFIG_H -I. -I../src
          -I../lib -I/Users/merlyn/MIRROR/emacs-GIT/lib-src
          -I/Users/merlyn/MIRROR/emacs-GIT/lib-src/../src
          -I/Users/merlyn/MIRROR/emacs-GIT/lib-src/../lib    -g -O2
          /Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c \
           -DVERSION="\"24.0.91\"" \
           ../lib/libgnu.a  -o emacsclient
/Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c: In function
          'set_local_socket':
/Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c:1281: warning:
          passing argument 2 of 'confstr' discards qualifiers from
          pointer target type
/Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c: In function
          'main':
/Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c:1639: error:
          'environ' undeclared (first use in this function)
/Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c:1639: error: (Each
          undeclared identifier is reported only once
/Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c:1639: error: for
          each function it appears in.)
make[2]: *** [emacsclient] Error 1
make[1]: *** [lib-src] Error 2
make: *** [bootstrap] Error 2


-- 
Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
<merlyn@stonehenge.com> <URL:http://www.stonehenge.com/merlyn/>
Smalltalk/Perl/Unix consulting, Technical writing, Comedy, etc. etc.
See http://methodsandmessages.posterous.com/ for Smalltalk discussion





^ permalink raw reply	[flat|nested] 7+ messages in thread

* bug#10155: 23.3; HEAD broken by recent commit for emacsclient
  2011-11-28 17:19 bug#10155: 23.3; HEAD broken by recent commit for emacsclient Randal L. Schwartz
@ 2011-11-28 18:07 ` Eli Zaretskii
  2011-11-28 18:13   ` Randal L. Schwartz
  0 siblings, 1 reply; 7+ messages in thread
From: Eli Zaretskii @ 2011-11-28 18:07 UTC (permalink / raw)
  To: Randal L. Schwartz; +Cc: 10155

> From: merlyn@stonehenge.com (Randal L. Schwartz)
> Date: Mon, 28 Nov 2011 09:19:23 -0800

The subject says 23.3, but my crystal ball says you are reporting a
problem with 24.0.91, right?  Because I didn't commit anything to the
Emacs 23 branch.

> /Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c: In function
>           'set_local_socket':
> /Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c:1281: warning:
>           passing argument 2 of 'confstr' discards qualifiers from
>           pointer target type

Was this warning present before as well?  I don't think it's related
to the change you blame.

> /Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c: In function
>           'main':
> /Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c:1639: error:
>           'environ' undeclared (first use in this function)
> /Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c:1639: error: (Each
>           undeclared identifier is reported only once
> /Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c:1639: error: for
>           each function it appears in.)
> make[2]: *** [emacsclient] Error 1
> make[1]: *** [lib-src] Error 2
> make: *** [bootstrap] Error 2

Which OS is that?

Can you tell which system header declares `environ' on that platform?

Sorry about the inconvenience.





^ permalink raw reply	[flat|nested] 7+ messages in thread

* bug#10155: 23.3; HEAD broken by recent commit for emacsclient
  2011-11-28 18:07 ` Eli Zaretskii
@ 2011-11-28 18:13   ` Randal L. Schwartz
  2011-11-28 18:38     ` Eli Zaretskii
  0 siblings, 1 reply; 7+ messages in thread
From: Randal L. Schwartz @ 2011-11-28 18:13 UTC (permalink / raw)
  To: Eli Zaretskii; +Cc: 10155

>>>>> "Eli" == Eli Zaretskii <eliz@gnu.org> writes:

>> From: merlyn@stonehenge.com (Randal L. Schwartz)
>> Date: Mon, 28 Nov 2011 09:19:23 -0800

Eli> The subject says 23.3, but my crystal ball says you are reporting a
Eli> problem with 24.0.91, right?  Because I didn't commit anything to the
Eli> Emacs 23 branch.

yes. sorry, since it wasn't something I could submit from within
the broken emacs, I copied to another system.  correct.

>> /Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c: In function
>> 'set_local_socket':
>> /Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c:1281: warning:
>> passing argument 2 of 'confstr' discards qualifiers from
>> pointer target type

Eli> Was this warning present before as well?  I don't think it's related
Eli> to the change you blame.

No idea.  I tend to look at the build only when it breaks. :)

>> /Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c: In function
>> 'main':
>> /Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c:1639: error:
>> 'environ' undeclared (first use in this function)
>> /Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c:1639: error: (Each
>> undeclared identifier is reported only once
>> /Users/merlyn/MIRROR/emacs-GIT/lib-src/emacsclient.c:1639: error: for
>> each function it appears in.)
>> make[2]: *** [emacsclient] Error 1
>> make[1]: *** [lib-src] Error 2
>> make: *** [bootstrap] Error 2

Eli> Which OS is that?

Darwin [redacted] 10.8.0 Darwin Kernel Version 10.8.0:
Tue Jun  7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386 i386

OSX 10.6 essentially.

Eli> Can you tell which system header declares `environ' on that
Eli> platform?

None... just

     extern char **environ;

says the manpage for environ.

http://developer.apple.com/library/mac/#documentation/darwin/reference/manpages/man7/environ.7.html

Eli> Sorry about the inconvenience.

No worries.  That's why I smoketest every day.

-- 
Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
<merlyn@stonehenge.com> <URL:http://www.stonehenge.com/merlyn/>
Smalltalk/Perl/Unix consulting, Technical writing, Comedy, etc. etc.
See http://methodsandmessages.posterous.com/ for Smalltalk discussion





^ permalink raw reply	[flat|nested] 7+ messages in thread

* bug#10155: 23.3; HEAD broken by recent commit for emacsclient
  2011-11-28 18:13   ` Randal L. Schwartz
@ 2011-11-28 18:38     ` Eli Zaretskii
  2011-11-28 18:40       ` Randal L. Schwartz
  2011-11-28 18:44       ` Dan Nicolaescu
  0 siblings, 2 replies; 7+ messages in thread
From: Eli Zaretskii @ 2011-11-28 18:38 UTC (permalink / raw)
  To: Randal L. Schwartz; +Cc: 10155

> From: merlyn@stonehenge.com (Randal L. Schwartz)
> Cc: 10155@debbugs.gnu.org
> Date: Mon, 28 Nov 2011 10:13:47 -0800
> 
> Eli> Can you tell which system header declares `environ' on that
> Eli> platform?
> 
> None... just
> 
>      extern char **environ;
> 
> says the manpage for environ.

Then what would be the appropriate preprocessor symbol to guard such a
declaration?  Would this do:

 #if defined __APPLE__ && defined __MACH__
 extern char **environ;
 #endif

?





^ permalink raw reply	[flat|nested] 7+ messages in thread

* bug#10155: 23.3; HEAD broken by recent commit for emacsclient
  2011-11-28 18:38     ` Eli Zaretskii
@ 2011-11-28 18:40       ` Randal L. Schwartz
  2011-11-28 18:44       ` Dan Nicolaescu
  1 sibling, 0 replies; 7+ messages in thread
From: Randal L. Schwartz @ 2011-11-28 18:40 UTC (permalink / raw)
  To: Eli Zaretskii; +Cc: 10155

>>>>> "Eli" == Eli Zaretskii <eliz@gnu.org> writes:

Eli> Then what would be the appropriate preprocessor symbol to guard such a
Eli> declaration?  Would this do:

Eli>  #if defined __APPLE__ && defined __MACH__
Eli>  extern char **environ;
Eli>  #endif

Those are both true here, so I suppose so.

Dunno... not much of a cross-platform C developer... just trying to give
early warnings when my beloved Emacs fails on OSX.

-- 
Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
<merlyn@stonehenge.com> <URL:http://www.stonehenge.com/merlyn/>
Smalltalk/Perl/Unix consulting, Technical writing, Comedy, etc. etc.
See http://methodsandmessages.posterous.com/ for Smalltalk discussion





^ permalink raw reply	[flat|nested] 7+ messages in thread

* bug#10155: 23.3; HEAD broken by recent commit for emacsclient
  2011-11-28 18:38     ` Eli Zaretskii
  2011-11-28 18:40       ` Randal L. Schwartz
@ 2011-11-28 18:44       ` Dan Nicolaescu
  2011-11-28 18:54         ` Eli Zaretskii
  1 sibling, 1 reply; 7+ messages in thread
From: Dan Nicolaescu @ 2011-11-28 18:44 UTC (permalink / raw)
  To: Eli Zaretskii; +Cc: 10155, Randal L. Schwartz

Eli Zaretskii <eliz@gnu.org> writes:

>> From: merlyn@stonehenge.com (Randal L. Schwartz)
>> Cc: 10155@debbugs.gnu.org
>> Date: Mon, 28 Nov 2011 10:13:47 -0800
>> 
>> Eli> Can you tell which system header declares `environ' on that
>> Eli> platform?
>> 
>> None... just
>> 
>>      extern char **environ;
>> 
>> says the manpage for environ.
>
> Then what would be the appropriate preprocessor symbol to guard such a
> declaration?  Would this do:
>
>  #if defined __APPLE__ && defined __MACH__
>  extern char **environ;
>  #endif

Can this be done in gnulib?
Better hide such ugliness in the compatibility layer...





^ permalink raw reply	[flat|nested] 7+ messages in thread

* bug#10155: 23.3; HEAD broken by recent commit for emacsclient
  2011-11-28 18:44       ` Dan Nicolaescu
@ 2011-11-28 18:54         ` Eli Zaretskii
  0 siblings, 0 replies; 7+ messages in thread
From: Eli Zaretskii @ 2011-11-28 18:54 UTC (permalink / raw)
  To: Dan Nicolaescu, Paul Eggert; +Cc: 10155, merlyn

> From: Dan Nicolaescu <dann@gnu.org>
> Cc: merlyn@stonehenge.com (Randal L. Schwartz),  10155@debbugs.gnu.org
> Date: Mon, 28 Nov 2011 13:44:01 -0500
> 
> >  #if defined __APPLE__ && defined __MACH__
> >  extern char **environ;
> >  #endif
> 
> Can this be done in gnulib?

There's something there already, in lib/unistd.in.h:

  #if @GNULIB_ENVIRON@
  # if !@HAVE_DECL_ENVIRON@
  /* Set of environment variables and values.  An array of strings of the form
     "VARIABLE=VALUE", terminated with a NULL.  */
  #  if defined __APPLE__ && defined __MACH__
  #   include <crt_externs.h>
  #   define environ (*_NSGetEnviron ())
  #  else

So the question is, why doesn't this DTRT?  Paul, can you help here?
I don't have access to OS X to try.





^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2011-11-28 18:54 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2011-11-28 17:19 bug#10155: 23.3; HEAD broken by recent commit for emacsclient Randal L. Schwartz
2011-11-28 18:07 ` Eli Zaretskii
2011-11-28 18:13   ` Randal L. Schwartz
2011-11-28 18:38     ` Eli Zaretskii
2011-11-28 18:40       ` Randal L. Schwartz
2011-11-28 18:44       ` Dan Nicolaescu
2011-11-28 18:54         ` Eli Zaretskii

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