$NetBSD: patch-configure.in,v 1.1 2011/11/27 13:05:33 obache Exp $

* Prevent extra -O from being added to optimizer flags.
* Assume that DragonFly's getaddrinfo works.
* Fix an error with --enable-ipv6.

--- configure.in.orig	2009-12-16 05:51:12.000000000 +0000
+++ configure.in
@@ -35,7 +35,7 @@ netbsd*)
 	;;
 esac
 
-OPTS="-O"
+OPTS=""
 CFLAGS=""
 
 # AC_PREFIX_PKG(VARIABLE, HEADER, LIBRARY, PATH [, IF-TRUE [, IF FALSE ] ])
@@ -98,7 +98,7 @@ AC_ARG_ENABLE(ipv6,
        ;;
   esac ],
 
-  AC_TRY_RUN([ /* AF_INET6 avalable check */
+[ AC_TRY_RUN([ /* AF_INET6 avalable check */
 #include <sys/types.h>
 #include <sys/socket.h>
 main()
@@ -117,7 +117,7 @@ main()
   ipv6=no,
   AC_MSG_RESULT(no)
   ipv6=no
-))
+)])
 
 ipv6type=unknown
 ipv6lib=none
@@ -319,6 +319,7 @@ buggygetaddrinfo=yes,
 AC_MSG_RESULT(buggy)
 buggygetaddrinfo=yes)
 
+if test ${OPSYS} != "DragonFly"; then
 if test "$buggygetaddrinfo" = "yes"; then
 	if test "$ipv6" = "yes"; then
 		echo 'Fatal: You must get working getaddrinfo() function.'
@@ -326,6 +327,7 @@ if test "$buggygetaddrinfo" = "yes"; the
 		exit 1
 	fi
 fi
+fi
 
 # IDEA
 AC_MSG_CHECKING(if --enable-idea option is specified)