Subject: bug#78259: callproc.c undeclared function

From: badli al rashid <[email-masked]>
Date: Tue, 6 May 2025 19:37:41 +0800

i tried with make configure="--prefix=/opt/emacs CFLAGS='-O0 -g3'" from the
emac source the posix_spawn_file_actions_addchdir_np and it is a clean
source i did a "git clean -dxf".

i will try to take a look at the header file.

Sent from Gmail

On Tue, May 6, 2025, 19:12 Eli Zaretskii <[email-masked]> wrote:

> > From: badli al rashid <[email-masked]>
> > Date: Tue, 6 May 2025 09:13:50 +0800
> > Cc: [email-masked]
> >
> > configure:33844: result: yes
>
> > configure:33850: checking for posix_spawn_file_actions_addchdir
>
> >      configure:33850: gcc -o conftest  -O0 -g3 -pthread -isystem
> > /data/data/com.termux/files/usr/include/librsvg-2.0 -isystem
> /data/data/com.termux/files/usr/include/cairo -
> > isystem /data/data/com.termux/files/usr/include -isystem
> /data/data/com.termux/files/usr/include/libxml2 -
> > isystem /data/data/com.termux/files/usr/include/pango-1.0 -isystem
> > /data/data/com.termux/files/usr/include/harfbuzz -isystem
> /data/data/com.termux/files/usr/include/pango-1.0 -
> > isystem /data/data/com.termux/files/usr/include/fribidi -isystem
> /data/data/com.termux/files/usr/include -
> > isystem /data/data/com.termux/files/usr/include/harfbuzz -isystem
> /data/data/com.termux/files/usr/include -
> > isystem /data/data/com.termux/files/usr/include/gdk-pixbuf-2.0 -isystem
> > /data/data/com.termux/files/usr/include -isystem
> /data/data/com.termux/files/usr/include/glib-2.0 -isystem
> > /data/data/com.termux/files/usr/lib/glib-2.0/include -isystem
> /data/data/com.termux/files/usr/include -isystem
> > /data/data/com.termux/files/usr/include/cairo -isystem
> /data/data/com.termux/files/usr/include -isystem
> > /data/data/com.termux/files/usr/include/freetype2 -isystem
> /data/data/com.termux/files/usr/include/libpng16 -
> > isystem /data/data/com.termux/files/usr/include -isystem
> /data/data/com.termux/files/usr/include/pixman-1 -
> > isystem /data/data/com.termux/files/usr/include/cairo -isystem
> /data/data/com.termux/files/usr/include -isystem
> > /data/data/com.termux/files/usr/include/freetype2 -isystem
> /data/data/com.termux/files/usr/include/libpng16 -
> > isystem /data/data/com.termux/files/usr/include -isystem
> /data/data/com.termux/files/usr/include/pixman-1
> >  conftest.c -lsqlite3 -lX11   -L/data/data/com.termux/files/usr/lib
> -lcairo >&5
> >                 ld.lld: error: undefined symbol:
> posix_spawn_file_actions_addchdir
>
> >                    >>> referenced by conftest.c:285
>
> >     >>>
>  /data/data/com.termux/files/usr/tmp/conftest-987b5e.o:(main)
>
> >        gcc: error: linker command failed with exit code 1 (use -v to see
> invocation)
> >             configure:33850: $? = 1
>
> > configure: failed program was:
> >
> > configure:33850: result: no
>                                         configure:33856: checking
> > for posix_spawn_file_actions_addchdir_np
>                configure:33856: gcc -o conftest  -
> > O0 -g3 -pthread -isystem
> /data/data/com.termux/files/usr/include/librsvg-2.0 -isystem
> > /data/data/com.termux/files/usr/include/cairo -isystem
> /data/data/com.termux/files/usr/include -isystem
> > /data/data/com.termux/files/usr/include/libxml2 -isystem
> /data/data/com.termux/files/usr/include/pango-1.0 -
> > isyste
> > m /data/data/com.termux/files/usr/include/harfbuzz -isystem
> > /data/data/com.termux/files/usr/include/pango-1.0 -is
> > ystem /data/data/com.termux/files/usr/include/fribidi -isystem
> /data/data/com.termux/files/usr/include -isystem
> > /
> > data/data/com.termux/files/usr/include/harfbuzz -isystem
> /data/data/com.termux/files/usr/include -isystem
> > /data/data/com.termux/files/usr/include/gdk-pixbuf-2.0 -isystem
> /data/data/com.termux/files/usr/include -
> > isystem /data/data/com.termux/files/usr/include/glib-2.0 -isystem
> > /data/data/com.termux/files/usr/lib/glib-2.0/include -isystem
> /data/data/com.termux/files/usr/include -isystem
> > /data/data/com.termux/files/usr/include/cairo -isystem
> /data/data/com.termux/files/usr/include -isystem
> > /data/data/com.termux/files/usr/include/freetype2 -isystem
> /data/data/com.termux/files/usr/include/libpng16 -
> > isystem /data/data/com.termux/files/usr/include -isystem
> /data/data/com.termux/files/usr/include/pixman-1 -
> > isystem /data/data/com.termux/files/usr/include/cairo -isystem
> /data/data/com.termux/files/usr/include -isystem
> > /data/data/com.termux/files/usr/include/freetype2 -isystem
> /data/data/com.termux/files/usr/include/libpng16 -
> > isystem /data/data/com.termux/files/usr/include -isystem
> /data/data/com.termux/files/usr/include/pixman-1
> >  conftest.c -lsqlite3 -lX11   -L/data/data/com.termux/files/usr/lib
> -lcairo >&5           configure:33856: $? = 0
>
> So the function does exist, but something is wrong with its prototype
> declaration in the spawn.h header file.  I suggest to take a look at
> the spawn.h header file and see what it says about
> posix_spawn_file_actions_addchdir_np.  Perhaps the prototype is
> guarded by some preprocessor directives or something?
>
> What was the exact 'configure' command you used to configure Emacs,
> and was that in a clean source tree?
>
>