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From: Keyan <ml@pulsschlag.net>
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Date: Fri, 20 Jul 2012 16:45:53 +0200
To: caml-list@inria.fr
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Subject: [Caml-list] Bug in libunix.a + Patch


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Hi,

_envrion was not found, when linking libunix.a to a library on Mac OS X:

Undefined symbols for architecture x86_64:
  "_environ", referenced from:
      _unix_execvpe in libunix.a(execvp.o)
      _unix_environment in libunix.a(envir.o)

I added the following lines:

#ifdef __APPLE__=20
#include <crt_externs.h>=20
#define environ (*_NSGetEnviron())=20
#else=20
 extern char **environ;=20
#endif=20

to the flies:

otherlibs/unix/envir.c
otherlibs/unix/execvp.c

as they it was suggested here:

http://trac.macports.org/browser/trunk/dports/lang/hugs98/files/patch-packa=
ges-base-include-HsBase.h.diff?rev=3D81676

patches are attached to this email.

best,
Keyan


--Apple-Mail=_FF7D7904-0B28-425C-91C5-71696F5F4264
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22a23,31
> 
> #ifdef __APPLE__ 
> #include <crt_externs.h> 
> #define environ (*_NSGetEnviron()) 
> #else 
>  extern char **environ; 
> #endif 
>    
> 

--Apple-Mail=_FF7D7904-0B28-425C-91C5-71696F5F4264
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24a25,34
> 
> #ifdef __APPLE__ 
> #include <crt_externs.h> 
> #define environ (*_NSGetEnviron()) 
> #else 
>  extern char **environ; 
> #endif 
>    
> 
> 

--Apple-Mail=_FF7D7904-0B28-425C-91C5-71696F5F4264--