cd doc && $(MAKE) $@ && $(MAKE) mostlyclean
# Perform some platform independent checks on the gnulib code.
-check:
+check: sc_prefer_ac_check_funcs_once
+
+sc_prefer_ac_check_funcs_once:
+ git grep -w -l AC_CHECK_FUNCS modules && \
+ { echo use AC_CHECK_FUNCS_ONCE, not AC_CHECK_FUNCS in modules/ 1>&2; \
+ exit 1; } || :
# Regenerate some files that are stored in the repository.
regen: MODULES.html