From: Richard M. Stallman <rms@gnu.org>
Date: Tue, 25 May 1993 21:01:14 +0000 (+0000)
Subject: (C_ALLOCA, alloca): Definitions deleted.
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(C_ALLOCA, alloca): Definitions deleted.
[!NOT_C_CODE]: Include alloca.h.
(NEED_SIOCTL): #undef this.
---

diff --git a/src/s/irix4-0.h b/src/s/irix4-0.h
index 197d32c1ec0..1e945bdc0fe 100644
--- a/src/s/irix4-0.h
+++ b/src/s/irix4-0.h
@@ -2,11 +2,12 @@
 
 #define USG5_3
 
-/* Define HAVE_ALLOCA to say that the system provides a properly
-   working alloca function and it should be used. */
 #define HAVE_ALLOCA
-#undef C_ALLOCA
-#define alloca __builtin_alloca
+#ifndef NOT_C_CODE
+#include <alloca.h>
+#endif
+
+#undef NEED_SIOCTL
 
 /* use K&R C */
 #ifndef __GNUC__