build: unexport C_INCLUDE_PATH to prevent user settings from interfering with the...

SVN-Revision: 30830

diff --git a/include/toplevel.mk b/include/toplevel.mk
index d2c8e5eb0c20a746a72c9310291b51413807e20d..4c9b85c21185404c0f46e360ad1d54506b1fab46 100644 (file)
--- a/include/toplevel.mk
+++ b/include/toplevel.mk
@@ -31,6 +31,8 @@ unexport P4PORT P4USER P4CONFIG P4CLIENT
 # prevent user defaults for quilt from interfering
 unexport QUILT_PATCHES QUILT_PATCH_OPTS
 
+unexport C_INCLUDE_PATH
+
 # make sure that a predefined CFLAGS variable does not disturb packages
 export CFLAGS=