Subject: bug#51925: [Trunk][macOS] "vfork" is deprecated

From: Jacob Faibussowitsch <[email-masked]>
Date: Wed, 17 Nov 2021 12:08:23 -0600

Forgot to attach the config.log…

Best regards,

Jacob Faibussowitsch
(Jacob Fai - booss - oh - vitch)

> On Nov 17, 2021, at 12:02, Jacob Faibussowitsch <[email-masked]> wrote:
> 
> Checking my config.log gives:
> 
> configure:20626: checking for posix_spawn
> configure:20626: clang -o conftest -O3 -march=native -mtune=native -flto=thin -flto-jobs=5 -std=gnu\
> 17 -Wno-unused-command-line-argument -Wno-unknown-pragmas     conftest.c  -lpng -ljpeg >&5
> configure:20626: $? = 0
> configure:20626: result: yes
> configure:20632: checking for posix_spawn_file_actions_addchdir
> configure:20632: clang -o conftest -O3 -march=native -mtune=native -flto=thin -flto-jobs=5 -std=gnu\
> 17 -Wno-unused-command-line-argument -Wno-unknown-pragmas     conftest.c  -lpng -ljpeg >&5
> undef: _posix_spawn_file_actions_addchdir
> Undefined symbols for architecture x86_64:
>   "_posix_spawn_file_actions_addchdir", referenced from:
>       _main in 0.x86_64.thinlto.o
> ld: symbol(s) not found for architecture x86_64
> clang: error: linker command failed with exit code 1 (use -v to see invocation)
> 
> And the final set of defines for configure includes the following:
> 
> ...
> #define HAVE_POSIX_SPAWN 1
> #define HAVE_POSIX_SPAWN_FILE_ACTIONS_ADDCHDIR_NP 1
> #define HAVE_POSIX_SPAWNATTR_SETFLAGS 1
> #define HAVE_DECL_POSIX_SPAWN_SETSID 1
> ...
> configure: exit 0
> 
> Best regards,
> 
> Jacob Faibussowitsch
> (Jacob Fai - booss - oh - vitch)
> 
>> On Nov 17, 2021, at 11:58, Eli Zaretskii <[email-masked] <mailto:[email-masked]>> wrote:
>> 
>>> From: Jacob Faibussowitsch <[email-masked] <mailto:[email-masked]>>
>>> Date: Wed, 17 Nov 2021 11:50:46 -0600
>>> 
>>> This is by no means breaking or disrupting anything on my end (at least that I can tell), but I did notice in
>>> some commit messages a few weeks that someone was attempting to replace vfork with posix_spawn
>>> specifically on macOS, so maybe my system is some unhandled corner-case?
>> 
>> That change is already on master.  If your build of a recent master
>> branch doesn't use the posix_spawn code, the first place to look is in
>> config.log, where you should try to find the reason(s) why the
>> configure script decided your system doesn't have posix_spawn.
>> 
>> Thanks.
>