1 files changed, 1 insertions, 1 deletions
diff --git a/regex.c b/regex.c
index f1dcb3b77d..668773fb49 100644
--- a/regex.c
+++ b/regex.c
@@ -94,7 +94,7 @@ void xfree _((void*));
 #else
 # if defined(HAVE_ALLOCA_H)
 #  include <alloca.h>
-# else
+# elif !defined(alloca)
 char *alloca();
 # endif
 #endif /* __GNUC__ */