Re: Adding fix for building GNU m4 on Debian

["Aleksey Cheusov" <vle%gmx.net@localhost>]

> Trying to build pkgsrc/devel/m4 on Debian gives me an error:
> 
>       ...
>       gcc -std=gnu99  -I.      -O2 -Wno-error -MT execute.o -MD -MP -MF
>       .deps/execute.Tpo -c -o execute.o execute.c
>       In file included from execute.c:47:0:
>       ./spawn.h:427:3: error: conflicting types for
> 'posix_spawn_file_actions_t'
>       /usr/include/spawn.h:50:3: note: previous declaration of
>       'posix_spawn_file_actions_t' was here
>       execute.c: In function 'execute':
> 
> I have a quick fix for this, but am not sure how to really use this so 
> it's only applied to Debian / where needed (i.e. not on OS X):

I cannot reproduce this problem on my Debian.

It would ne nice to analyse config.log first
and understand why the test for posix_spawn failed on your system. 
m4/posix_spawn.m4 is very big, so
it may be nontrivial.


> 
>   - Hubert

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