autoconf: Only _GNU_SOURCE feature test macro needed on gnu systems
authorDan Nicholson <dbn.lists@gmail.com>
Mon, 12 Jan 2009 19:10:31 +0000 (11:10 -0800)
committerDan Nicholson <dbn.lists@gmail.com>
Mon, 12 Jan 2009 19:10:31 +0000 (11:10 -0800)
commit29f603a270da711a2a980cc9896e5883e59227cd
tree8899b1e91736e5f79ac94b0409d7f1f6b635a694
parent7f7fc3e3af6471a224a10bf3d2cd6ddd7a96d334
autoconf: Only _GNU_SOURCE feature test macro needed on gnu systems

According to feature_test_macros(7), _GNU_SOURCE encompasses all the
other feature macros we were setting, so we can just dispose of them.
configure.ac