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-rw-r--r--include/alloca.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/alloca.h b/include/alloca.h
index 34eeeab78e..ae41090bd1 100644
--- a/include/alloca.h
+++ b/include/alloca.h
@@ -1 +1,10 @@
#include <stdlib/alloca.h>
+
+#undef __alloca
+
+/* Now define the internal interfaces. */
+extern __ptr_t __alloca __P ((size_t __size));
+
+#ifdef __GNUC__
+# define __alloca(size) __builtin_alloca (size)
+#endif /* GCC. */