From 175bbb3535ec00ec21c63a51193cf09f8bc35eba Mon Sep 17 00:00:00 2001
From: mquinson <mquinson@48e7efb5-ca39-0410-a469-dd3cf9ba447f>
Date: Sun, 7 Aug 2005 23:11:36 +0000
Subject: [PATCH] don't include execinfo.h directly, but using portable.h; only
 use backtrace() when it's there and provide a dummy implementation so that
 things work without it (of course, no backtrace will get displayed on, say,
 AIX)

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@1634 48e7efb5-ca39-0410-a469-dd3cf9ba447f
---
 src/xbt/ex.c | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/src/xbt/ex.c b/src/xbt/ex.c
index af1e4a6838..62aa962d50 100644
--- a/src/xbt/ex.c
+++ b/src/xbt/ex.c
@@ -31,8 +31,8 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <execinfo.h>
 
+#include "portable.h" /* execinfo when available */
 #include "xbt/ex.h"
 
 /* default __ex_ctx callback function */
@@ -44,8 +44,6 @@ ex_ctx_t *__xbt_ex_ctx_default(void) {
 
 /* default __ex_terminate callback function */
 void __xbt_ex_terminate_default(xbt_ex_t *e)  {
-  char **strings;
-  size_t i;
 
   fprintf(stderr,
 	  "** SimGrid: UNCAUGHT EXCEPTION: category: %s; value: %d\n"
@@ -55,6 +53,11 @@ void __xbt_ex_terminate_default(xbt_ex_t *e)  {
 	  e->procname, (e->host?"@":""),(e->host?e->host:"localhost"),
 	  e->file,e->line,e->func);
 
+#ifdef HAVE_EXECINFO_H
+ {
+  char **strings;
+  size_t i;
+
   fprintf(stderr,"** Backtrace:\n");
   strings = backtrace_symbols (e->bt, e->used);
 
@@ -62,6 +65,9 @@ void __xbt_ex_terminate_default(xbt_ex_t *e)  {
      printf ("   %s\n", strings[i]);
 
   free (strings);
+ }
+#endif
+
   abort();
 }
 
@@ -88,3 +94,11 @@ const char * xbt_ex_catname(xbt_errcat_t cat) {
   default:              return "INVALID_ERR";
   }
 }
+
+#ifndef HAVE_EXECINFO_H
+/* dummy implementation. We won't use the result, but ex.h needs it to be defined */
+int backtrace (void **__array, int __size) {
+  return 0;
+}
+
+#endif
-- 
2.20.1