From 6f468bd07664196ca5fbfeb52c4d2374c45f69c4 Mon Sep 17 00:00:00 2001
From: Ian Neal <iann_cvs@blueyonder.co.uk>
Date: Sat, 10 Nov 2012 09:38:02 +0000
Subject: [PATCH] Bug 807066 - Port changes to CL_INCLUDES_PREFIX and cl.py to
 comm-central r=callek

---
 config/config.mk |  7 +++++++
 configure.in     | 16 +++++++++-------
 2 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/config/config.mk b/config/config.mk
index 5f4f2e7271..c058a2fcbd 100644
--- a/config/config.mk
+++ b/config/config.mk
@@ -115,6 +115,11 @@ FINAL_LINK_COMP_NAMES = $(MOZDEPTH)/config/final-link-comp-names
 MOZ_UNICHARUTIL_LIBS = $(LIBXUL_DIST)/lib/$(LIB_PREFIX)unicharutil_s.$(LIB_SUFFIX)
 MOZ_WIDGET_SUPPORT_LIBS    = $(DIST)/lib/$(LIB_PREFIX)widgetsupport_s.$(LIB_SUFFIX)
 
+ifdef _MSC_VER
+CC_WRAPPER ?= $(PYTHON) -O $(topsrcdir)/mozilla/build/cl.py
+CXX_WRAPPER ?= $(PYTHON) -O $(topsrcdir)/mozilla/build/cl.py
+endif # _MSC_VER
+
 CC := $(CC_WRAPPER) $(CC)
 CXX := $(CXX_WRAPPER) $(CXX)
 MKDIR ?= mkdir
@@ -719,6 +724,8 @@ ifndef MOZ_SYSTEM_PLY
 PLY_INCLUDE = -I$(MOZILLA_DIR)/other-licenses/ply
 endif
  
+export CL_INCLUDES_PREFIX
+
 # autoconf.mk sets OBJ_SUFFIX to an error to avoid use before including
 # this file
 OBJ_SUFFIX := $(_OBJ_SUFFIX)
diff --git a/configure.in b/configure.in
index 511c7fbed7..de77d41b3b 100644
--- a/configure.in
+++ b/configure.in
@@ -6113,10 +6113,15 @@ else
     _DEFINES_CFLAGS='$(ACDEFINES) -D_COMM_CONFIG_H_ -DMOZILLA_CLIENT'
     _DEFINES_CXXFLAGS='$(ACDEFINES) -D_COMM_CONFIG_H_ -DMOZILLA_CLIENT'
   else
-    _topsrcdirwin=`cd \`dirname $0\`; pwd -W`
-    dnl cl.py provides dependency generation for MSVC
-    CC_WRAPPER="$PYTHON -O $_topsrcdirwin/mozilla/build/cl.py"
-    CXX_WRAPPER="$PYTHON -O $_topsrcdirwin/mozilla/build/cl.py"
+    echo '#include <stdio.h>' > dummy-hello.c
+    changequote(,)
+    CL_INCLUDES_PREFIX=`${CC} -showIncludes -c -Fonul dummy-hello.c 2>&1 | sed -ne 's/^\([^:]*:[^:]*:\).*stdio.h$/\1/p'`
+    changequote([,])
+    if test -z "$CL_INCLUDES_PREFIX"; then
+        AC_MSG_ERROR([Cannot find cl -showIncludes prefix.])
+    fi
+    AC_SUBST(CL_INCLUDES_PREFIX)
+    rm -f dummy-hello.c
     COMPILER_DEPEND=1
   fi
 fi
@@ -6125,9 +6130,6 @@ MDDEPDIR='.deps'
 AC_SUBST(MOZ_AUTO_DEPS)
 AC_SUBST(COMPILER_DEPEND)
 AC_SUBST(MDDEPDIR)
-AC_SUBST(CC_WRAPPER)
-AC_SUBST(CXX_WRAPPER)
-
 
 dnl ========================================================
 dnl =