+sc_prohibit_augmenting_PATH_via_TESTS_ENVIRONMENT:
+ if test -d .git; then \
+ url=http://thread.gmane.org/gmane.comp.lib.gnulib.bugs/22874; \
+ git grep '^[ ]*TESTS_ENVIRONMENT += PATH=' modules \
+ && { printf '%s\n' 'Do not augment PATH via TESTS_ENVIRONMENT;' \
+ " see <$$url>" 1>&2; exit 1; } || : \
+ else :; fi
+