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use proper _XOPEN_SOURCE instead of __USE_UNIX98 to enable needed thread features on glibc

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@29897 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Riccardo Mottola 2010-03-10 17:37:00 +00:00
parent 5e196f549a
commit 19e49c3314
4 changed files with 30 additions and 8 deletions
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16
Source/GSPThread.h
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@ -25,13 +25,17 @@
/*
* Since glibc does not enable Unix98 extensions by default, we need to tell it
* to do so explicitly. Whether that support is switched on by _XOPEN_SOURCE or
* by __USE_UNIX98 depends on whether <features.h> has already been included or
* will be included by pthread.h. Hence both flags need to be set here. This
* shouldn't be be a problem with other libcs.
* to do so explicitly. That support is switched on by _XOPEN_SOURCE and
* __USE_UNIX98 is an internal flag which can cause trouble if enabled alone.
* For safety we enable this only on linux and hurd where glibc is likely.
* We include features.h explicitely to avoid weird problems.
*/
#define _XOPEN_SOURCE 500
#define __USE_UNIX98
#if defined __linux__ || defined __hurd__
# ifndef _XOPEN_SOURCE
# define _XOPEN_SOURCE 600
# endif
#endif
#include <pthread.h>
/*