prepend_var LSAN_OPTIONS : fast_unwind_on_malloc=0
export LSAN_OPTIONS
+prepend_var UBSAN_OPTIONS : $GIT_SAN_OPTIONS
+export UBSAN_OPTIONS
+
if test ! -f "$GIT_BUILD_DIR"/GIT-BUILD-OPTIONS
then
echo >&2 'error: GIT-BUILD-OPTIONS missing (has Git been built?).'