From 868beb15ae02c352005a2df8857f4ebb9bd758fd Mon Sep 17 00:00:00 2001 From: RincewindsHat <12514511+RincewindsHat@users.noreply.github.com> Date: Tue, 23 Aug 2022 19:42:51 +0200 Subject: Sync with the latest Gnulib code (d27c820595) --- gl/m4/lock.m4 | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'gl/m4/lock.m4') diff --git a/gl/m4/lock.m4 b/gl/m4/lock.m4 index aae1701a..c4cbf07b 100644 --- a/gl/m4/lock.m4 +++ b/gl/m4/lock.m4 @@ -1,5 +1,5 @@ -# lock.m4 serial 13 (gettext-0.18.2) -dnl Copyright (C) 2005-2013 Free Software Foundation, Inc. +# lock.m4 serial 14 +dnl Copyright (C) 2005-2022 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. @@ -12,11 +12,16 @@ AC_DEFUN([gl_LOCK], 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 # pthread_rwlock_* functions. + has_rwlock=false AC_CHECK_TYPE([pthread_rwlock_t], - [AC_DEFINE([HAVE_PTHREAD_RWLOCK], [1], + [has_rwlock=true + AC_DEFINE([HAVE_PTHREAD_RWLOCK], [1], [Define if the POSIX multithreading library has read/write locks.])], [], [#include ]) + if $has_rwlock; then + gl_PTHREAD_RWLOCK_RDLOCK_PREFER_WRITER + fi # glibc defines PTHREAD_MUTEX_RECURSIVE as enum, not as a macro. AC_COMPILE_IFELSE([ AC_LANG_PROGRAM( -- cgit v1.2.3-74-g34f1