remove _XOPEN_SOURCE #define for FreeBSD
commit1e7dc89cc38c5dec0b63ac452b23141297701f88
authorEric Wong <normalperson@yhbt.net>
Sat, 25 Jun 2011 00:06:56 +0000 (24 17:06 -0700)
committerEric Wong <normalperson@yhbt.net>
Sat, 25 Jun 2011 00:10:18 +0000 (24 17:10 -0700)
tree5cd17cf2dc2f1a10efe909682b79f2adc84af7e7
parent880dbec44c13e3d5a6b858fc2212714f122b71c6
remove _XOPEN_SOURCE #define for FreeBSD

This appears to cause __BSD_VISIBLE to not be defined,
which is required for MAP_ANON to be visible in
sys/mman.h

Thanks for Aleksandar Simic for the hint and Troex Nevelin
for the bug report!
ext/raindrops/extconf.rb