The test for gflags works correctly on OpenBSD.

http://code.google.com/p/google-glog/issues/detail?id=49


git-svn-id: https://google-glog.googlecode.com/svn/trunk@78 eb4d4688-79bd-11dd-afb4-1d65580434c0

configure.ac

@@ -12,6 +12,8 @@ AC_CONFIG_SRCDIR(README)
 AM_INIT_AUTOMAKE
 AM_CONFIG_HEADER(src/config.h)
 
+AC_LANG(C++)
+
 # Checks for programs.
 AC_PROG_CC
 AC_PROG_CPP