* system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35020 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 355eb2e..13a1509 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2000-07-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
+
 2000-07-13  Jakub Jelinek  <jakub@redhat.com>
 
        * calls.c (stored_args_map): New variable.

diff --git a/gcc/system.h b/gcc/system.h
index d5fb4d2..410c280 100644 (file)
--- a/gcc/system.h
+++ b/gcc/system.h
@@ -610,4 +610,9 @@ extern void abort PARAMS ((void));
 #define UNION_INIT_ZERO
 #endif
 
+/* GCC now gives implicit declaration warnings for undeclared builtins.  */
+#if defined(__GNUC__) && defined (__SIZE_TYPE__)
+extern void *alloca (__SIZE_TYPE__);
+#endif
+
 #endif /* __GCC_SYSTEM_H__ */