mingw: don't try to redefine alloca

mingw already has a #define alloca __builtin_alloca so trying to redefine it triggers a warning.
2026-08-07 17:43:58 +00:00 · 2012-02-29 19:01:58 +01:00 · 2012-02-29 19:01:58 +01:00 · 5bcece537e
commit 5bcece537e
parent ec250967e2
1 changed files with 2 additions and 0 deletions
--- a/mem.h
+++ b/mem.h
@ -41,7 +41,9 @@ extern "C" {
 #ifdef HAVE_ALLOCA_H
 # include <alloca.h>
 #elif defined __GNUC__
+#if !defined alloca
 # define alloca __builtin_alloca
+#endif
 #elif defined _AIX
 # define alloca __alloca
 #elif defined _MSC_VER