* common.opt (Wmudflap): New option.

[pf3gnuchains/gcc-fork.git] / libmudflap / mf-runtime.h

diff --git a/libmudflap/mf-runtime.h b/libmudflap/mf-runtime.h
index 68c7b54..3dd9154 100644 (file)
--- a/libmudflap/mf-runtime.h
+++ b/libmudflap/mf-runtime.h
@@ -55,9 +55,13 @@ extern unsigned char __mf_lc_shift;
 /* Multithreading support.  */
 #ifdef _MUDFLAPTH
 /* extern pthread_mutex_t __mf_biglock; */
+#ifndef _REENTRANT
 #define _REENTRANT
+#endif
+#ifndef _THREAD_SAFE
 #define _THREAD_SAFE
 #endif
+#endif
 
 /* Codes to describe the type of access to check: __mf_check arg 3 */