From 07e54c1affe90d48eb712cc10ea7891edaa1e627 Mon Sep 17 00:00:00 2001
From: Kevin Ryde <user42@zip.com.au>
Date: Wed, 20 Mar 2002 22:51:15 +0100
Subject: 	* demos/pexpr.c, demos/pexpr-config-h.in, configure.in: Use an
 	autoconf test for stack_t.

---
 demos/pexpr-config-h.in | 3 +++
 demos/pexpr.c           | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

(limited to 'demos')

diff --git a/demos/pexpr-config-h.in b/demos/pexpr-config-h.in
index b3db0d15f..ec1e7ee24 100644
--- a/demos/pexpr-config-h.in
+++ b/demos/pexpr-config-h.in
@@ -41,3 +41,6 @@ Place - Suite 330, Boston, MA 02111-1307, USA. */
 
 /* Define if you have the `sigstack' function. */
 #define HAVE_SIGSTACK  @HAVE_SIGSTACK_01@
+
+/* Define if the system has the type `stack_t'. */
+#define HAVE_STACK_T  @HAVE_STACK_T_01@
diff --git a/demos/pexpr.c b/demos/pexpr.c
index fc5269b62..4b2f20b4e 100644
--- a/demos/pexpr.c
+++ b/demos/pexpr.c
@@ -190,7 +190,8 @@ setup_error_handler (void)
      overflown stack.  */
 #if HAVE_SIGALTSTACK
   {
-#if _AIX
+    /* AIX uses stack_t, MacOS uses struct sigaltstack. */
+#if HAVE_STACK_T
     stack_t s;
 #else
     struct sigaltstack s;
-- 
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