From aa24857f12718d1fa81d77695f6f5af319334d24 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 18 Mar 2013 04:31:59 +0000
Subject: * vm_dump.c (backtrace): on darwin use custom backtrace() to trace  
 beyond _sigtramp. darwin's backtrace can't trace beyond signal   trampoline
 with sigaltstack.

* configure.in: check execinfo.h on darwin.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39808 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 configure.in | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'configure.in')

diff --git a/configure.in b/configure.in
index febcbe0832..40717dd8e6 100644
--- a/configure.in
+++ b/configure.in
@@ -2460,6 +2460,11 @@ AC_ARG_WITH(opt-dir,
 	])
 
 AS_CASE(["$target_cpu-$target_os"],
+[*-darwin*], [
+    AC_CHECK_HEADERS([execinfo.h])
+    if test "x$ac_cv_header_execinfo_h" = xyes; then
+	AC_CHECK_LIB([execinfo], [backtrace])
+    fi],
 [*-freebsd*|x86_64-netbsd*], [
     AC_CHECK_HEADERS([execinfo.h])
     if test "x$ac_cv_header_execinfo_h" = xyes; then
-- 
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