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-rw-r--r--libstdc++-v3/testsuite/thread/pthread5.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/libstdc++-v3/testsuite/thread/pthread5.cc b/libstdc++-v3/testsuite/thread/pthread5.cc
index 93f03a22761..30086d4584d 100644
--- a/libstdc++-v3/testsuite/thread/pthread5.cc
+++ b/libstdc++-v3/testsuite/thread/pthread5.cc
@@ -100,7 +100,7 @@ main ()
int ids[NTHREADS];
void* status;
-#if defined(__sun) && defined(__svr4__)
+#if defined(__sun) && defined(__svr4__) && _XOPEN_VERSION >= 500
pthread_setconcurrency (NTHREADS);
#endif