Modified patch #742126: Don't define _XOPEN_SOURCE for OpenBSD 3.3.
diff --git a/configure.in b/configure.in
index bf994af..51b35a9 100644
--- a/configure.in
+++ b/configure.in
@@ -123,7 +123,8 @@
case $ac_sys_system/$ac_sys_release in
# On OpenBSD, select(2) is not available if _XOPEN_SOURCE is defined,
# even though select is a POSIX function. Reported by J. Ribbens.
- OpenBSD/2.* | OpenBSD/3.@<:@012@:>@)
+ # Reconfirmed for OpenBSD 3.3 by Zachary Hamm.
+ OpenBSD/2.* | OpenBSD/3.@<:@0123@:>@)
define_xopen_source=no;;
# On Solaris 2.6, sys/wait.h is inconsistent in the usage
# of union __?sigval. Reported by Stuart Bishop.