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Improve test for pthreads flag 

When compiling with CC=clang using Clang 1.1 as shipped by Debian
unstable (package version 2.7-3), the -mt flag is sufficient to compile
during the `configure` test. However, building git would then fail at
link time complaining about missing symbols such as `pthread_key_create'
and `pthread_create'.

Work around this issue by adding pthread key creation to the pthreads
configure test source.

Signed-off-by: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Giuseppe Bilotta 2011-03-28 09:39:59 +02:00 committed by Junio C Hamano
parent 8cc299daf2
commit cea13a8d68
1 changed files with 2 additions and 0 deletions
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2
configure.ac
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@ -895,7 +895,9 @@ AC_LANG_PROGRAM([[
#include <pthread.h>
]], [[
pthread_mutex_t test_mutex;
pthread_key_t test_key;
int retcode = 0;
retcode |= pthread_key_create(&test_key, (void *)0);
retcode |= pthread_mutex_init(&test_mutex,(void *)0);
retcode |= pthread_mutex_lock(&test_mutex);
retcode |= pthread_mutex_unlock(&test_mutex);