From 834f0ef312f63f19e14273a833e099e3d69ad3bb Mon Sep 17 00:00:00 2001
From: artemp <artem@mapnik.org>
Date: Tue, 14 Mar 2017 11:16:13 +0000
Subject: [PATCH] add '-fno-omit-frame-pointer' to sanitize address builds for
 nicer stack traces in error messages.

---
 SConstruct | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SConstruct b/SConstruct
index 892b0c01e..b00dfecba 100644
--- a/SConstruct
+++ b/SConstruct
@@ -1799,7 +1799,7 @@ if not preconfigured:
             env.Append(CXXFLAGS = '-fsanitize=undefined-trap -fsanitize-undefined-trap-on-error -ftrapv -fwrapv')
 
         if env['DEBUG_SANITIZE']:
-            env.Append(CXXFLAGS = ['-fsanitize=address'])
+            env.Append(CXXFLAGS = ['-fsanitize=address','-fno-omit-frame-pointer'])
             env.Append(LINKFLAGS = ['-fsanitize=address'])