Fix for perl 5.10.

Thanks to sthen@ for testing the build on amd64.

lang/ghc/Makefile

@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.28 2008/09/23 13:27:11 bernd Exp $
+# $OpenBSD: Makefile,v 1.29 2008/10/02 19:50:52 kili Exp $
 # 
 # Ancient versions based on Simon Marlow's port script for FreeBSD:
 # $FreeBSD: ports/lang/ghc/Makefile,v 1.13 2002/08/22 12:53:38 obraun Exp $
@@ -88,7 +88,8 @@ SUBST_VARS=		MODGHC_VER
 
 USE_GMAKE=		Yes
 
-CONFIGURE_STYLE=	gnu dest
+CONFIGURE_STYLE=	gnu dest autoconf
+AUTOCONF_VERSION=	2.57
 CONFIGURE_ARGS+=	--with-gmp-includes=${LOCALBASE}/include \
 			--with-gmp-libraries=${LOCALBASE}/lib
 

lang/ghc/patches/patch-aclocal_m4

@@ -0,0 +1,12 @@
+$OpenBSD: patch-aclocal_m4,v 1.1 2008/10/02 19:50:52 kili Exp $
+--- aclocal.m4.orig	Wed Apr 25 19:10:41 2007
++++ aclocal.m4	Tue Sep 30 15:45:58 2008
+@@ -571,7 +571,7 @@ AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
+       if grep "v5.8" conftest.out >/dev/null 2>&1; then
+          :
+       else
+-         if grep "version 6" conftest.out >/dev/null 2>&1; then
++         if grep "v5.10" conftest.out >/dev/null 2>&1; then
+             :
+          else
+             AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])