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-rw-r--r--include/toplevel.mk5
1 files changed, 1 insertions, 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=