configure: warn when en/disabling has no effect.
authorNicolas George <nicolas.george@normalesup.org>
Sun, 11 Nov 2012 20:29:27 +0000 (21:29 +0100)
committerNicolas George <nicolas.george@normalesup.org>
Sat, 17 Nov 2012 10:57:17 +0000 (11:57 +0100)
commitc551c3b18bab9710bc50ddacf866431f43e033f6
tree09ab72d4918a8b2661fbe369d47fc2d4a3a8422f
parenta0f2d3fff5344649698f17d614b29ec337654e48
configure: warn when en/disabling has no effect.

Print a warning for --enable- or --disable-something=pattern
does not match any component.
configure