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-rw-r--r--gnulib-m4/lock.m425
1 files changed, 15 insertions, 10 deletions
diff --git a/gnulib-m4/lock.m4 b/gnulib-m4/lock.m4
index 9da8465e..9fd4aa78 100644
--- a/gnulib-m4/lock.m4
+++ b/gnulib-m4/lock.m4
@@ -1,5 +1,5 @@
-# lock.m4 serial 10 (gettext-0.18)
-dnl Copyright (C) 2005-2010 Free Software Foundation, Inc.
+# lock.m4 serial 13 (gettext-0.18.2)
+dnl Copyright (C) 2005-2015 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
@@ -10,7 +10,7 @@ AC_DEFUN([gl_LOCK],
[
AC_REQUIRE([gl_THREADLIB])
if test "$gl_threads_api" = posix; then
- # OSF/1 4.0 and MacOS X 10.1 lack the pthread_rwlock_t type and the
+ # OSF/1 4.0 and Mac OS X 10.1 lack the pthread_rwlock_t type and the
# pthread_rwlock_* functions.
AC_CHECK_TYPE([pthread_rwlock_t],
[AC_DEFINE([HAVE_PTHREAD_RWLOCK], [1],
@@ -18,20 +18,25 @@ AC_DEFUN([gl_LOCK],
[],
[#include <pthread.h>])
# glibc defines PTHREAD_MUTEX_RECURSIVE as enum, not as a macro.
- AC_TRY_COMPILE([#include <pthread.h>],
- [#if __FreeBSD__ == 4
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM(
+ [[#include <pthread.h>]],
+ [[
+#if __FreeBSD__ == 4
error "No, in FreeBSD 4.0 recursive mutexes actually don't work."
+#elif (defined __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ \
+ && __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1070)
+error "No, in Mac OS X < 10.7 recursive mutexes actually don't work."
#else
int x = (int)PTHREAD_MUTEX_RECURSIVE;
return !x;
-#endif],
+#endif
+ ]])],
[AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE], [1],
[Define if the <pthread.h> defines PTHREAD_MUTEX_RECURSIVE.])])
fi
gl_PREREQ_LOCK
])
-# Prerequisites of lib/lock.c.
-AC_DEFUN([gl_PREREQ_LOCK], [
- AC_REQUIRE([AC_C_INLINE])
-])
+# Prerequisites of lib/glthread/lock.c.
+AC_DEFUN([gl_PREREQ_LOCK], [:])