[Qemu-devel] [PATCH] compile x86_64 on i386

[Glauber Costa <glommer@redhat.com>]

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