1 files changed, 4 insertions, 2 deletions
diff --git a/util.h b/util.h
index 83b15bf46b..4a08f22bfa 100644
--- a/util.h
+++ b/util.h
@@ -36,8 +36,6 @@ void ruby_add_suffix();
 #define add_suffix ruby_add_suffix
 #endif
 
-char *ruby_mktemp _((void));
-
 void ruby_qsort _((void*, int, int, int (*)()));
 #define qsort(b,n,s,c) ruby_qsort(b,n,s,c)
 
@@ -48,4 +46,8 @@ void ruby_unsetenv _((const char*));
 #define setenv(name,val) ruby_setenv((name),(val))
 #define unsetenv(name,val) ruby_unsetenv((name));
 
+char *ruby_strdup _((const char*));
+#undef strdup
+#define strdup(s) ruby_strdup((s))
+
 #endif /* UTIL_H */