From 1ba663316bf52c8dd29f6f5051a2e73f5e82f058 Mon Sep 17 00:00:00 2001
From: Jorg K <none@none>
Date: Wed, 8 Nov 2017 00:21:11 +0100
Subject: [PATCH] Backed out changeset bb96540a6525: Port of bug 1384557 which
 got backed out. a=jorgk DONTBUILD

---
 build/mozconfig.cache | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/build/mozconfig.cache b/build/mozconfig.cache
index d455d479c1..5fc3593760 100644
--- a/build/mozconfig.cache
+++ b/build/mozconfig.cache
@@ -124,6 +124,12 @@ else
     mk_add_options "UPLOAD_EXTRA_FILES+=sccache.log.gz"
     case "$platform" in
     win*)
+        # sccache supports a special flag to create depfiles.
+        #TODO: bug 1318370 - move this all into toolchain.configure
+        export _DEPEND_CFLAGS='-deps$(MDDEPDIR)/$(@F).pp'
+        # Windows builds have a default wrapper that needs to be overridden
+        mk_add_options "export CC_WRAPPER="
+        mk_add_options "export CXX_WRAPPER="
         # For now, sccache doesn't support separate PDBs so force debug info to be
         # in object files.
         mk_add_options "export COMPILE_PDB_FLAG="