$NetBSD: patch-aa,v 1.3 2011/09/09 11:56:19 obache Exp $

--- configure.in.orig	2011-09-08 18:02:23.000000000 +0000
+++ configure.in
@@ -391,11 +391,11 @@ if test "$sievedir" != "no"; then
 	AC_CHECK_LIB(fl,main)
 
 	AC_CHECK_HEADERS(pcreposix.h rxposix.h)
-	if test "$ac_cv_header_pcreposix_h" == "yes"; then
+	if test "$ac_cv_header_pcreposix_h" = "yes"; then
 		LIBS="$LIBS -lpcre -lpcreposix";
 		AC_DEFINE(ENABLE_REGEX, [], [Do we have a regex library?])
 	else 
-		if test "$ac_cv_header_rxposix_h" == "yes"; then
+		if test "$ac_cv_header_rxposix_h" = "yes"; then
 			LIBS="$LIBS -lrx"
 			AC_DEFINE(ENABLE_REGEX, [],
 				  [Do we have a regex library?])
@@ -1146,7 +1146,7 @@ dnl libraries will be compiled as PIC if
 dnl -- this is needed on NetBSD, FreeBSD, and Linux, but seems to
 dnl cause problems on atleast Solaris -- 
     case "${target_os}" in
-        linux*|netbsd*|freebsd*)
+        linux*|netbsd*|freebsd*|dragonfly*)
             AC_MSG_CHECKING(for perl cccdlflags needed on "${target_os}")
             eval `${PERL} -V:cccdlflags`
             PERL_CCCDLFLAGS="$cccdlflags"