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| author | Takashi Iwai <tiwai@suse.de> | 2017-05-16 16:02:59 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2017-05-16 16:26:20 +0200 |
| commit | e757a95fc9a544a519dd619fae86ac25e545735c (patch) | |
| tree | 6d8d9cfbe59f05877337718ee3068ed46a43598c /configure.ac | |
| parent | 3cf3fbebddad4e58efbd03e4d2217f0a0d07a2ed (diff) | |
| download | alsa-lib-e757a95fc9a544a519dd619fae86ac25e545735c.tar.gz | |
conf: Check the availability of PTHREAD_MUTEX_RECURSIVE
Check the availability of PTHREAD_MUTEX_RECURSIVE in configure script
and use it only when possible. A fairly old version of glibc still
seems working, but just to be sure.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index ec254762..a17f2c4a 100644 --- a/configure.ac +++ b/configure.ac @@ -266,6 +266,15 @@ else AC_MSG_RESULT(no) fi +dnl Check for pthread +if test "$HAVE_LIBPTHREAD" = "yes"; then + AC_CHECK_DECL(PTHREAD_MUTEX_RECURSIVE, + AC_DEFINE(HAVE_PTHREAD_MUTEX_RECURSIVE, [], + [Define if your pthreads implementation have PTHREAD_MUTEX_RECURSIVE]), + , + [#include <pthread.h>]) +fi + dnl Check for __thread AC_MSG_CHECKING([for __thread]) AC_LINK_IFELSE([AC_LANG_PROGRAM([#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) && ((__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 1) || (__GNUC__ == 4 && __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ < 2)) |