From f540242c73d13a47952728dada622fd1100a3fff Mon Sep 17 00:00:00 2001
From: Miodrag Milanovic <mmicko@gmail.com>
Date: Mon, 7 Dec 2015 13:05:25 +0100
Subject: [PATCH] proper windows clang version detection (nw) make
 OVERRIDE_CXX=clang++ OVERRIDE_CC=clang

---
 makefile | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/makefile b/makefile
index 3d526748cb2..633935dcfa4 100644
--- a/makefile
+++ b/makefile
@@ -731,9 +731,8 @@ SRC = src
 
 ifeq ($(OS),windows)
 GCC_VERSION      := $(shell $(subst @,,$(CC)) -dumpversion 2> NUL)
-CLANG_VERSION    := 
+CLANG_VERSION    := $(shell $(subst @,,$(CC)) --version 2> NUL| head -n 1 | sed "s/^.*[^0-9]\([0-9]*\.[0-9]*\.[0-9]*\).*$$/\1/")
 PYTHON_AVAILABLE := $(shell $(PYTHON) --version > NUL 2>&1 && echo python)
-CHECK_CLANG      :=
 ifdef MSBUILD
 MSBUILD_PARAMS   := /v:minimal /m:$(NUMBER_OF_PROCESSORS)
 ifeq ($(CONFIG),debug)
@@ -758,7 +757,6 @@ ifneq ($(OS),solaris)
 CLANG_VERSION    := $(shell $(subst @,,$(CC))  --version  2> /dev/null | head -n 1 | grep -e 'version [0-9]\.[0-9]\(\.[0-9]\)\?' -o | grep -e '[0-9]\.[0-9]\(\.[0-9]\)\?' -o | tail -n 1)
 endif
 PYTHON_AVAILABLE := $(shell $(PYTHON) --version > /dev/null 2>&1 && echo python)
-CHECK_CLANG      := $(shell $(subst @,,$(CC))  --version  2> /dev/null | grep 'clang' | head -n 1)
 endif
 ifeq ($(CLANG_VERSION),)
 $(info GCC $(GCC_VERSION) detected)