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re PR target/41810 (Cannot build gcc: gthr-default.h:466: error: '__mutex' was not declared in this scope)

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PR target/41810
	* gthr-solaris.h (__gthread_mutex_destroy): Remove UNUSED.
	[SUPPORTS_WEAK && GTHREAD_USE_WEAK] (__gthread_active_p): Use
	__extension__ to allow cast from function pointer to object
	pointer in C++.
	* doc/install.texi (--enable-threads): Clarify use of Solaris
	threads.

From-SVN: r154708
This commit is contained in:
Rainer Orth 2009-11-27 15:17:04 +00:00 committed by Rainer Orth
parent 7400e46be6
commit 67c330aec4
3 changed files with 15 additions and 3 deletions
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10
gcc/ChangeLog
View File

@ -1,3 +1,13 @@
2009-11-27 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
PR target/41810
* gthr-solaris.h (__gthread_mutex_destroy): Remove UNUSED.
[SUPPORTS_WEAK && GTHREAD_USE_WEAK] (__gthread_active_p): Use
__extension__ to allow cast from function pointer to object
pointer in C++.
* doc/install.texi (--enable-threads): Clarify use of Solaris
threads.
2009-11-27 Steven Bosscher <steven@gcc.gnu.org>
* config/ia64/itanium1.md: Remove.

3
gcc/doc/install.texi
View File

@ -1118,7 +1118,8 @@ RTEMS thread support.
@item single
Disable thread support, should work for all platforms.
@item solaris
Sun Solaris 2 thread support.
Sun Solaris 2/Unix International thread support. Only use this if you
really need to use this legacy API instead of the default, @samp{posix}.
@item vxworks
VxWorks thread support.
@item win32

5
gcc/gthr-solaris.h
View File

@ -102,7 +102,8 @@ __gthrw(cond_signal)
static inline int
__gthread_active_p (void)
{
static void *const __gthread_active_ptr = (void *) &__gthrw_(thr_create);
static void *const __gthread_active_ptr
= __extension__ (void *) &__gthrw_(thr_create);
return __gthread_active_ptr != 0;
}
@ -460,7 +461,7 @@ __gthread_setspecific (__gthread_key_t __key, const void *__ptr)
}
static inline int
__gthread_mutex_destroy (__gthread_mutex_t * UNUSED(__mutex))
__gthread_mutex_destroy (__gthread_mutex_t *__mutex)
{
if (__gthread_active_p ())
return __gthrw_(mutex_destroy) (__mutex);