add more kludges to deal with test build mess

diff --git a/tests/buildtests.sh b/tests/buildtests.sh
index 64c67081451b2f548280c1ef371cfe070791a30d..127c9c7563c2b4cf4e6f6d2703f651f37836ad31 100755 (executable)
--- a/tests/buildtests.sh
+++ b/tests/buildtests.sh
@@ -28,8 +28,11 @@ while getopts 'kqh' opt; do
 done
 shift $((${OPTIND} - 1))
 
+# XXX: sourcing the file while aiming to use app-tools is plain wrong
 [ -n "${RUMPRUN_SHCONF}" ] || { echo '>> need RUMPRUN_SHCONF'; exit 1; }
 . "${RUMPRUN_SHCONF}"
+unset CC
+unset CXX
 
 cd "$(dirname $0)"