configure: Make --enable-gui print an error
commit3ba97da297e1e1a5ca9dabdda60cc6a62f77affc
authorUoti Urpala <uau@glyph.nonexistent.invalid>
Sun, 18 Jan 2009 15:17:57 +0000 (18 17:17 +0200)
committerUoti Urpala <uau@glyph.nonexistent.invalid>
Sun, 18 Jan 2009 15:17:57 +0000 (18 17:17 +0200)
treeeaa613e0c6edc4b8b28853c4999cdae49221235d
parent2b45912684f9e383e5cebb56c1b4e712f90b67cc
configure: Make --enable-gui print an error

Since compilation with GUI enabled will not succeed, make the
configure option return an error immediately instead of triggering an
obscure compiler error later.
configure