[gdal-dev] problems building GDAL trunk on MAC OS X

[William Kyngesburye]

A fix for iOS broke OS X:

http://trac.osgeo.org/gdal/ticket/5197

See my comments for a solution until it gets fixed again in source.

On Sep 6, 2013, at 7:04 AM, Ivan Lucena wrote:

> Hi there,
> 
> After a long time since my last svn update from the trunk on that machine, now I am getting this error:
> 
> Undefined symbols:
>   "_environ", referenced from:
>       _CPLSpawnAsync in cpl_spawn.o
>       _CPLSpawnAsync in cpl_spawn.o
> ld: symbol(s) not found
> collect2: ld returned 1 exit status
> make[3]: *** [libgdal.la] Error 1
> make[2]: *** [check-lib] Error 2
> make[1]: *** [.build-conf] Error 2
> make: *** [.build-impl] Error 2
> 
> My configure is a simple as that:
> 
> ./configure --with-macosx-framework
> 
> Environment versions:
> 
> $ gcc
> i686-apple-darwin10-gcc-4.2.1
> 
> $ uname -a
> Darwin ***.***.*** 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
> 
> That problem seems to be related to latest client/server stuff.
> 
> Looking at the code on cpl_spawn.c it seems like a simple problem.
> 
> #ifdef HAVE_POSIX_SPAWNP
>     #include <spawn.h>
>     #ifdef __APPLE__
>         #include <TargetConditionals.h>
>     #endif
>     #if defined(__APPLE__) && !defined(TARGET_OS_IPHONE)
>         #include <crt_externs.h>
>         #define environ (*_NSGetEnviron())
>     #else
>         extern char** environ;
>     #endif
> #endif
> 
> I tried to play with those -D variables on configure but it only got worse.
> 
> It is a old machine so maybe I am the only one having that problem. I should just updated something. That's all.
> 
> But if someone got into to that and know how to solve it, please let me know. I will appreciate.
> 
> Best regards,
> 
> Ivan
> 
> _______________________________________________
> gdal-dev mailing list
> gdal-dev at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/gdal-dev

-----
William Kyngesburye <kyngchaos*at*kyngchaos*dot*com>
http://www.kyngchaos.com/

"This is a question about the past, is it? ... How can I tell that the past isn't a fiction designed to account for the discrepancy between my immediate physical sensations and my state of mind?"

- The Ruler of the Universe