Renamed time-series directory ts

[pspp-builds.git] / src / libpspp / compiler.h

diff --git a/src/libpspp/compiler.h b/src/libpspp/compiler.h
index 44f22b39682a5656488126d86eef2ee5dad081b6..8c2c3abd2ea6a808761eed046dce287f277ffaf9 100644 (file)
--- a/src/libpspp/compiler.h
+++ b/src/libpspp/compiler.h
@@ -44,4 +44,11 @@
 #define MALLOC_LIKE
 #endif
 
+/* This attribute was added in GCC 4.0. */
+#if __GNUC__ >= 4
+#define WARN_UNUSED_RESULT ATTRIBUTE ((warn_unused_result))
+#else
+#define WARN_UNUSED_RESULT
+#endif
+
 #endif /* compiler.h */