Warnings win over strictness on command line. This change ensures that, on the command line at least, explicitly defined warnings always take precedence over implicit strictness implied warnings. Related to Automake bug#7669 a.k.a. PR/547. * automake.in (parse_arguments): Parse warnings only after the strictness level has been processed. * tests/gnuwarn.test: Update, plus miscellaneous improvements. * tests/warnings-win-over-strictness.test: New test. * tests/Makefile.am (TESTS): Update.