From 2bf3c1660965d73a553d3c99d6f1a62f36e0069b Mon Sep 17 00:00:00 2001
From: Daniel Nyström
Date: Sun, 26 Dec 2010 00:29:42 +0100
Subject: Reset critical environment variables

Reset them early in top-level Makefile to ensure they're keept unset
all the way through the build process.

This also removes the requirement of these variables being unset
globally prior the build.

Signed-off-by: Daniel Nyström <daniel.nystrom@timeterminal.se>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
---
 Makefile | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 9ba80a689..6d6e83630 100644
--- a/Makefile
+++ b/Makefile
@@ -186,6 +186,12 @@ cc-option=$(shell if $(TARGET_CC) $(TARGET_CFLAGS) $(1) -S -o /dev/null -xc /dev
 #############################################################
 unexport CROSS_COMPILE
 unexport ARCH
+unexport CC
+unexport CXX
+unexport CPP
+unexport CFLAGS
+unexport CXXFLAGS
+unexport GREP_OPTIONS
 
 GNU_HOST_NAME:=$(shell package/gnuconfig/config.guess)
 
-- 
cgit v1.2.3-55-g7522