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| author | Darren Salt <linux@youmustbejoking.demon.co.uk> | 2007-05-31 14:08:52 +0100 |
|---|---|---|
| committer | Darren Salt <linux@youmustbejoking.demon.co.uk> | 2007-05-31 14:08:52 +0100 |
| commit | b0607c580af756ff0ccd1229d91b4b6a97c76d24 (patch) | |
| tree | 27f64134720fc9dca224e6313b0505fa43cb8dd8 /m4/pthreads.m4 | |
| parent | fe2112a1ac52fbf65e2624b978f9d33f04b6af56 (diff) | |
| parent | adebccc0fc011b6d1abe2f682bbfc866dffee73e (diff) | |
| download | xine-lib-b0607c580af756ff0ccd1229d91b4b6a97c76d24.tar.gz xine-lib-b0607c580af756ff0ccd1229d91b4b6a97c76d24.tar.bz2 | |
Merge -newbuild.
Diffstat (limited to 'm4/pthreads.m4')
| -rw-r--r-- | m4/pthreads.m4 | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/m4/pthreads.m4 b/m4/pthreads.m4 index 363a8b4b2..d68cd13c8 100644 --- a/m4/pthreads.m4 +++ b/m4/pthreads.m4 @@ -61,3 +61,28 @@ AC_DEFUN([CC_PTHREAD_FLAGS], [ ifelse([$2], , [:], [$2]) fi ]) + +AC_DEFUN([CC_PTHREAD_RECURSIVE_MUTEX], [ + AC_REQUIRE([CC_PTHREAD_FLAGS]) + AC_MSG_CHECKING([for recursive mutex support in pthread]) + + ac_save_LIBS="$LIBS" + LIBS="$LIBS $PTHREAD_LIBS" + AC_COMPILE_IFELSE(AC_LANG_SOURCE([#include <pthread.h> + +int main() { + pthread_mutexattr_t attr; + pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); + return 0; +} + ]), [have_recursive_mutex=yes], [have_recursive_mutex=no]) + LIBS="$ac_save_LIBS" + + AC_MSG_RESULT([$have_recursive_mutex]) + + if test x"$have_recursive_mutex" = x"yes"; then + ifelse([$1], , [:], [$1]) + else + ifelse([$2], , [:], [$2]) + fi +]) |