From f0cdf2b265a1eb99f22131b4a8f6a851cc1819b8 Mon Sep 17 00:00:00 2001
From: Richard Kenner <kenner@gcc.gnu.org>
Date: Tue, 10 Nov 1992 10:28:47 -0500
Subject: [PATCH] (main): Unlimit stack size.

From-SVN: r2737
---
 gcc/genattrtab.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/gcc/genattrtab.c b/gcc/genattrtab.c
index 47908266fea..4426df8ae59 100644
--- a/gcc/genattrtab.c
+++ b/gcc/genattrtab.c
@@ -101,6 +101,13 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "insn-config.h"	/* For REGISTER_CONSTRAINTS */
 #include <stdio.h>
 
+#ifndef VMS
+#ifndef USG
+#include <sys/time.h>
+#include <sys/resource.h>
+#endif
+#endif
+
 static struct obstack obstack, obstack1, obstack2;
 struct obstack *rtl_obstack = &obstack;
 struct obstack *hash_obstack = &obstack1;
@@ -5464,6 +5471,18 @@ main (argc, argv)
   rtx tem;
   int i;
 
+#ifdef RLIMIT_STACK
+  /* Get rid of any avoidable limit on stack size.  */
+  {
+    struct rlimit rlim;
+
+    /* Set the stack limit huge so that alloca does not fail. */
+    getrlimit (RLIMIT_STACK, &rlim);
+    rlim.rlim_cur = rlim.rlim_max;
+    setrlimit (RLIMIT_STACK, &rlim);
+  }
+#endif /* RLIMIT_STACK defined */
+
   obstack_init (rtl_obstack);
   obstack_init (hash_obstack);
   obstack_init (temp_obstack);
-- 
2.30.2