X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=compiler%2Fcompiler-gcc3.h;h=566987a216641ca75db602fb1353209ba0b833d1;hp=ab8ccc4fdaca7a6a712c89e846ec9c9e02e2d6dd;hb=3a6d267d644226983a430cf0f217c27f4c38cd45;hpb=317b95d07d4921d2594a1be6e014c9c2d062fe75

diff --git a/compiler/compiler-gcc3.h b/compiler/compiler-gcc3.h
index ab8ccc4f..566987a2 100644
--- a/compiler/compiler-gcc3.h
+++ b/compiler/compiler-gcc3.h
@@ -2,7 +2,9 @@
 #define FIO_COMPILER_GCC3_H
 
 #if __GNUC_MINOR__ >= 4
+#ifndef __must_check
 #define __must_check		__attribute__((warn_unused_result))
 #endif
+#endif
 
 #endif