From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43)
	id 1KxnYm-0002HO-FR
	for qemu-devel@nongnu.org; Wed, 05 Nov 2008 13:56:56 -0500
Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43)
	id 1KxnYk-0002GS-9C
	for qemu-devel@nongnu.org; Wed, 05 Nov 2008 13:56:55 -0500
Received: from [199.232.76.173] (port=58002 helo=monty-python.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1KxnYk-0002GP-1N
	for qemu-devel@nongnu.org; Wed, 05 Nov 2008 13:56:54 -0500
Received: from mx2.redhat.com ([66.187.237.31]:54501)
	by monty-python.gnu.org with esmtp (Exim 4.60)
	(envelope-from <glommer@redhat.com>) id 1KxnYi-0004Kb-V9
	for qemu-devel@nongnu.org; Wed, 05 Nov 2008 13:56:53 -0500
Received: from int-mx2.corp.redhat.com (int-mx2.corp.redhat.com [172.16.27.26])
	by mx2.redhat.com (8.13.8/8.13.8) with ESMTP id mA5Iuqhv011824
	for <qemu-devel@nongnu.org>; Wed, 5 Nov 2008 13:56:52 -0500
Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199])
	by int-mx2.corp.redhat.com (8.13.1/8.13.1) with ESMTP id mA5IupKo026770
	for <qemu-devel@nongnu.org>; Wed, 5 Nov 2008 13:56:51 -0500
Received: from localhost.localdomain (vpn-12-194.rdu.redhat.com [10.11.12.194])
	by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id mA5IunXb026227
	for <qemu-devel@nongnu.org>; Wed, 5 Nov 2008 13:56:50 -0500
From: Glauber Costa <glommer@redhat.com>
Date: Wed,  5 Nov 2008 18:53:14 -0200
Message-Id: <1225918395-7404-2-git-send-email-glommer@redhat.com>
In-Reply-To: <1225918395-7404-1-git-send-email-glommer@redhat.com>
References: <1225918395-7404-1-git-send-email-glommer@redhat.com>
Subject: [Qemu-devel] [PATCH] compile x86_64 on i386
Reply-To: qemu-devel@nongnu.org
List-Id: qemu-devel.nongnu.org
List-Unsubscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/pipermail/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: qemu-devel@nongnu.org

This patch allows qemu-system-x86_64 to be compiled on a i386 host.
---
 configure |   17 ++++++++++-------
 1 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/configure b/configure
index 067c3c5..65f0c74 100755
--- a/configure
+++ b/configure
@@ -1447,13 +1447,16 @@ interp_prefix1=`echo "$interp_prefix" | sed "s/%M/$target_cpu/g"`
 echo "#define CONFIG_QEMU_PREFIX \"$interp_prefix1\"" >> $config_h
 gdb_xml_files=""
 
-# FIXME allow i386 to build on x86_64 and vice versa
-if test "$kvm" = "yes" -a "$target_cpu" != "$cpu" ; then
-  kvm="no"
-fi
-# Disable KVM for linux-user
-if test "$kvm" = "yes" -a "$target_softmmu" = "no" ; then
-  kvm="no"
+if test "$kvm" = "yes";
+then
+  # Disable KVM for linux-user
+  if test "$target_softmmu" = "no";
+  then
+     kvm="no"
+  elif test "$target_cpu" != "$cpu" && test ! "$cpu" = "i386" -a  "$target_cpu" = "x86_64" ;
+  then
+        kvm="no"
+  fi
 fi
 
 case "$target_cpu" in
-- 
1.5.6.5