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-rw-r--r--configure.ac20
1 files changed, 20 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 39ccba9bb..f00751803 100644
--- a/configure.ac
+++ b/configure.ac
@@ -474,6 +474,26 @@ if test "${ac_cv_pthread_rwlock_timedwrlock}" = "yes"; then
AC_DEFINE([HAVE_PTHREAD_RWLOCK_TIMEDWRLOCK], 1, [Define if your system has pthread_rwlock_timedwrlock()])
fi
+AC_MSG_CHECKING(if PTHREAD_ONCE_INIT needs braces)
+saved_CFLAGS="${CFLAGS}"
+CFLAGS="${CFLAGS} -Werror -Wmissing-braces"
+AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [#include <pthread.h>],
+ [pthread_once_t once = PTHREAD_ONCE_INIT;])
+ ],[
+ AC_MSG_RESULT(no)
+ ac_cv_pthread_once_needsbraces="no"
+ ],[
+ AC_MSG_RESULT(yes)
+ ac_cv_pthread_once_needsbraces="yes"
+ ]
+)
+CFLAGS="${saved_CFLAGS}"
+if test "${ac_cv_pthread_once_needsbraces}" = "yes"; then
+ AC_DEFINE([PTHREAD_ONCE_INIT_NEEDS_BRACES], 1, [Define if your system needs braces around PTHREAD_ONCE_INIT])
+fi
+
AST_C_DEFINE_CHECK([PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP], [PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP], [pthread.h])
#if test "${cross_compiling}" = "no";