From 353070af37ef7e0db1cd4d2fd44b939094799f21 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 8 May 2009 15:35:27 +0000
Subject: [PATCH] use unexport instead of export to clear perforce variables

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15708 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 include/toplevel.mk | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/include/toplevel.mk b/include/toplevel.mk
index 2ee1518b8a..78a03d877f 100644
--- a/include/toplevel.mk
+++ b/include/toplevel.mk
@@ -27,10 +27,7 @@ export LD_LIBRARY_PATH:=$(if $(LD_LIBRARY_PATH),$(LD_LIBRARY_PATH):)$(STAGING_DI
 export DYLD_LIBRARY_PATH:=$(if $(DYLD_LIBRARY_PATH),$(DYLD_LIBRARY_PATH):)$(STAGING_DIR_HOST)/lib
 
 # prevent perforce from messing with the patch utility
-export P4PORT=
-export P4USER=
-export P4CONFIG=
-export P4CLIENT=
+unexport P4PORT P4USER P4CONFIG P4CLIENT
 
 # make sure that a predefined CFLAGS variable does not disturb packages
 export CFLAGS=