PR libstdc++/50196

	* acinclude.m4 (GLIBCXX_HAS_GTHREADS): Don't depend on _POSIX_TIMEOUTS.
	* configure: Regenerate.
	* include/std/mutex (timed_mutex, recursive_timed_mutex): Define
	conditionally on GTHREADS_HAS_MUTEX_TIMEDLOCK.
	* testsuite/lib/libstdc++.exp (check_v3_target_gthreads_timed): Define.
	* testsuite/lib/dg-options.exp (dg-require-gthreads-timed): Define.
	* testsuite/30_threads/recursive_timed_mutex/dest/destructor_locked.cc:
	Use dg-require-gthreads-timed instead of dg-require-gthreads.
	* testsuite/30_threads/recursive_timed_mutex/native_handle/
	typesizes.cc: Likewise.
	* testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
	* testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc: Likewise.
	* testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc: Likewise.
	* testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
	* testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
	* testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
	* testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
	Likewise.
	* testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
	* testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
	Likewise.
	* testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
	* testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
	* testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
	* testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
	* testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
	* testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
	* testsuite/30_threads/timed_mutex/requirements/standard_layout.cc:
	Likewise.
	* testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
	* testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
	* testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
	* testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
	* testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
	* testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
	* testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
	* testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
	* testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
	* testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
	* testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
	* testsuite/30_threads/unique_lock/locking/4.cc: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@180329 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 69 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/lib/dg-options.exp b/libstdc++-v3/testsuite/lib/dg-options.exp
index 46d3ce9e71a..d5eb5e827ad 100644
--- a/libstdc++-v3/testsuite/lib/dg-options.exp
+++ b/libstdc++-v3/testsuite/lib/dg-options.exp
@@ -134,6 +134,15 @@ proc dg-require-gthreads { args } {
     return
 }
 
+proc dg-require-gthreads-timed { args } {
+    if { ![ check_v3_target_gthreads_timed ] } {
+        upvar dg-do-what dg-do-what
+        set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
+        return
+    }
+    return
+}
+
 proc dg-require-nanosleep { args } {
     if { ![ check_v3_target_nanosleep ] } {
         upvar dg-do-what dg-do-what
diff --git a/libstdc++-v3/testsuite/lib/libstdc++.exp b/libstdc++-v3/testsuite/lib/libstdc++.exp
index d39e8ea182c..b510c06126f 100644
--- a/libstdc++-v3/testsuite/lib/libstdc++.exp
+++ b/libstdc++-v3/testsuite/lib/libstdc++.exp
@@ -1299,6 +1299,66 @@ proc check_v3_target_gthreads { } {
     return $et_gthreads
 }
 
+proc check_v3_target_gthreads_timed { } {
+    global cxxflags
+    global DEFAULT_CXXFLAGS
+    global et_gthreads_timed
+
+    global tool
+
+    if { ![info exists et_gthreads_timed_target_name] } {
+        set et_gthreads_timed_target_name ""
+    }
+
+    # If the target has changed since we set the cached value, clear it.
+    set current_target [current_target_name]
+    if { $current_target != $et_gthreads_timed_target_name } {
+        verbose "check_v3_target_gthreads_timed: `$et_gthreads_timed_target_name'" 2
+        set et_gthreads_timed_target_name $current_target
+        if [info exists et_gthreads_timed] {
+            verbose "check_v3_target_gthreads_timed: removing cached result" 2
+            unset et_gthreads_timed
+        }
+    }
+
+    if [info exists et_gthreads_timed] {
+        verbose "check_v3_target_gthreads_timed: using cached result" 2
+    } else {
+        set et_gthreads_timed 0
+
+        # Set up and preprocess a C++0x test program that depends
+        # on the gthreads timed mutex facilities to be available.
+        set src gthreads_timed[pid].cc
+
+        set f [open $src "w"]
+	puts $f "#include <bits/c++config.h>"
+        puts $f "#ifndef _GLIBCXX_HAS_GTHREADS"
+        puts $f "#  error No gthread"
+        puts $f "#endif"
+        puts $f "#if !_GTHREAD_USE_MUTEX_TIMEDLOCK"
+        puts $f "#  error No gthread timed mutexes"
+        puts $f "#endif"
+        close $f
+
+        set cxxflags_saved $cxxflags
+        set cxxflags "$cxxflags $DEFAULT_CXXFLAGS -Werror"
+
+        set lines [v3_target_compile $src /dev/null preprocess ""]
+        set cxxflags $cxxflags_saved
+        file delete $src
+
+        if [string match "" $lines] {
+            # No error message, preprocessing succeeded.
+            set et_gthreads_timed 1
+        } else {
+            verbose "check_v3_target_gthreads_timed: compilation failed" 2
+        }
+    }
+    verbose "check_v3_target_gthreads_timed: $et_gthreads_timed" 2
+    return $et_gthreads_timed
+}
+
+
 proc check_v3_target_nanosleep { } {
     global cxxflags
     global DEFAULT_CXXFLAGS