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Diffstat (limited to 'libstdc++-v3/config/os/solaris/solaris2.9/os_defines.h')
-rw-r--r--libstdc++-v3/config/os/solaris/solaris2.9/os_defines.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/libstdc++-v3/config/os/solaris/solaris2.9/os_defines.h b/libstdc++-v3/config/os/solaris/solaris2.9/os_defines.h
index 70586d1c1bd..ed30abbe244 100644
--- a/libstdc++-v3/config/os/solaris/solaris2.9/os_defines.h
+++ b/libstdc++-v3/config/os/solaris/solaris2.9/os_defines.h
@@ -35,5 +35,10 @@
#define __CORRECT_ISO_CPP_WCHAR_H_PROTO
#endif
+/* Solaris 9 uses the non-standard CLOCK_HIGHRES instead. */
+#ifndef CLOCK_MONOTONIC
+#define CLOCK_MONOTONIC CLOCK_HIGHRES
+#endif
+
#endif