From cc3248f45231d24061bbc88fa6dd66897162cb3a Mon Sep 17 00:00:00 2001
From: Bob E <ebobbob@gmail.com>
Date: Thu, 17 Jul 2014 06:23:00 -0400
Subject: [PATCH] KWSys SystemInformation: No SA_RESTART on QNX

QNX not support SA_RESTART signal:

 /* #define SA_RESTART 0x0040 (not supported yet) */

Use it in SystemInformation only if it is defined.
---
 Source/kwsys/SystemInformation.cxx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Source/kwsys/SystemInformation.cxx b/Source/kwsys/SystemInformation.cxx
index ec3a13315..a03b39cce 100644
--- a/Source/kwsys/SystemInformation.cxx
+++ b/Source/kwsys/SystemInformation.cxx
@@ -3696,7 +3696,10 @@ void SystemInformationImplementation::SetStackTraceOnError(int enable)
     // install ours
     struct sigaction sa;
     sa.sa_sigaction=(SigAction)StacktraceSignalHandler;
-    sa.sa_flags=SA_SIGINFO|SA_RESTART|SA_RESETHAND;
+    sa.sa_flags=SA_SIGINFO|SA_RESETHAND;
+# ifdef SA_RESTART
+    sa.sa_flags|=SA_RESTART;
+# endif
     sigemptyset(&sa.sa_mask);
 
     sigaction(SIGABRT,&sa,0);