diff options
Diffstat (limited to 'gnulib-m4/lock.m4')
| -rw-r--r-- | gnulib-m4/lock.m4 | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/gnulib-m4/lock.m4 b/gnulib-m4/lock.m4 index 9fd4aa78..9da8465e 100644 --- a/gnulib-m4/lock.m4 +++ b/gnulib-m4/lock.m4 @@ -1,5 +1,5 @@ -# lock.m4 serial 13 (gettext-0.18.2) -dnl Copyright (C) 2005-2015 Free Software Foundation, Inc. +# lock.m4 serial 10 (gettext-0.18) +dnl Copyright (C) 2005-2010 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 Mac OS X 10.1 lack the pthread_rwlock_t type and the + # OSF/1 4.0 and MacOS 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], @@ -18,25 +18,20 @@ AC_DEFUN([gl_LOCK], [], [#include <pthread.h>]) # glibc defines PTHREAD_MUTEX_RECURSIVE as enum, not as a macro. - AC_COMPILE_IFELSE([ - AC_LANG_PROGRAM( - [[#include <pthread.h>]], - [[ -#if __FreeBSD__ == 4 + AC_TRY_COMPILE([#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/glthread/lock.c. -AC_DEFUN([gl_PREREQ_LOCK], [:]) +# Prerequisites of lib/lock.c. +AC_DEFUN([gl_PREREQ_LOCK], [ + AC_REQUIRE([AC_C_INLINE]) +]) |