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Re: [PATCH] lock: work around pthread recursive mutexes bug in Mac OS X
From: |
Daiki Ueno |
Subject: |
Re: [PATCH] lock: work around pthread recursive mutexes bug in Mac OS X 10.6 |
Date: |
Sat, 11 May 2013 14:15:12 +0900 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.4 (gnu/linux) |
Daiki Ueno <address@hidden> writes:
> Patch attached.
Sorry, wrong patch. Please check the attached one instead.
I've confirmed that HAVE_PTHREAD_MUTEX_RECURSIVE is defined by default
on 10.8, but not with CFLAGS=-mmacosx-version-min=10.6.
Regards,
--
Daiki Ueno
>From eb742ec35bfd68288bfc23aae47e3d27dcaff4de Mon Sep 17 00:00:00 2001
From: Daiki Ueno <address@hidden>
Date: Sat, 11 May 2013 10:40:55 +0900
Subject: [PATCH] lock: work around pthread recursive mutexes bug in Mac OS X
10.6
* m4/lock.m4: Don't define HAVE_PTHREAD_MUTEX_RECURSIVE if the
compilation target is Mac OS X 10.6.
Problem reported by parafin and Andoni Morales in
<http://savannah.gnu.org/bugs/?37844> and
<http://lists.gnu.org/archive/html/bug-gettext/2013-05/msg00007.html>.
---
ChangeLog | 9 +++++++++
m4/lock.m4 | 2 ++
2 files changed, 11 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index 13dafaa..2590e4a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2013-05-11 Daiki Ueno <address@hidden>
+
+ lock: work around pthread recursive mutexes bug in Mac OS X 10.6
+ * m4/lock.m4: Don't define HAVE_PTHREAD_MUTEX_RECURSIVE if the
+ compilation target is Mac OS X 10.6.
+ Problem reported by parafin and Andoni Morales in
+ <http://savannah.gnu.org/bugs/?37844> and
+ <http://lists.gnu.org/archive/html/bug-gettext/2013-05/msg00007.html>.
+
2012-05-10 Stefano Lattarini <address@hidden>
deps: require Automake >= 1.9.6 in generated Makefile fragments
diff --git a/m4/lock.m4 b/m4/lock.m4
index d3fc1ef..e7aedec 100644
--- a/m4/lock.m4
+++ b/m4/lock.m4
@@ -24,6 +24,8 @@ AC_DEFUN([gl_LOCK],
[[
#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;
--
1.7.10.4