configure: Simplify cygwin/mingw/msys code
authorHenrik Gramner <henrik@gramner.com>
Tue, 3 Nov 2015 16:55:08 +0000 (17:55 +0100)
committerHenrik Gramner <henrik@gramner.com>
Sat, 16 Jan 2016 23:30:13 +0000 (00:30 +0100)
commitcc652c158c1fa65bfeafb6446b5be855850065d0
tree6f31da84ce4c2567c05a52b490ef660147155a23
parent8b2d2a6d51abf51ad38dd8705d280448fbe63aaf
configure: Simplify cygwin/mingw/msys code

Avoids some code duplication.

Also drop the -mno-cygwin check since that option was removed back in 2008.
configure