From 0d2fc0820d147193588f9188697b0cebb9177a12 Mon Sep 17 00:00:00 2001
From: Ali Ijaz Sheikh <ofrobots@google.com>
Date: Fri, 24 Jul 2015 17:59:14 -0700
Subject: [PATCH] build: produce symbol map files on windows

This produces map files as part of the build on windows. The existence of
these files enable profiling and tick-processing using the --prof command
line.
See: https://github.com/nodejs/io.js/pull/2090#issuecomment-124746673

Map files are documented here:
https://msdn.microsoft.com/en-us/library/k7xkk3e2.aspx
---
 common.gypi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/common.gypi b/common.gypi
index 4c1b90b29ad2ca..871b9b40918e3d 100644
--- a/common.gypi
+++ b/common.gypi
@@ -163,6 +163,8 @@
           }],
         ],
         'GenerateDebugInformation': 'true',
+        'GenerateMapFile': 'true', # /MAP
+        'MapExports': 'true', # /MAPINFO:EXPORTS
         'RandomizedBaseAddress': 2, # enable ASLR
         'DataExecutionPrevention': 2, # enable DEP
         'AllowIsolation': 'true',