Add bluez to new feature convencion

Once there, remove extra check for package and output if bluez was found or not as the other features

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/configure b/configure
index 7f06315..044cbd7 100755
--- a/configure
+++ b/configure
@@ -177,6 +177,7 @@
 # to ensure that several features are compiled in, and it is impossible without a
 # --enable-foo that exits if feature is not found
 
+bluez=""
 brlapi=""
 curl=""
 curses=""
@@ -211,7 +212,6 @@
 uname_release=""
 io_thread="no"
 mixemu="no"
-bluez="yes"
 kvm="no"
 kerneldir=""
 aix="no"
@@ -455,6 +455,8 @@
   ;;
   --disable-bluez) bluez="no"
   ;;
+  --enable-bluez) bluez="yes"
+  ;;
   --disable-kvm) kvm="no"
   ;;
   --enable-profiler) profiler="yes"
@@ -632,6 +634,7 @@
 echo "  --disable-curl           disable curl connectivity"
 echo "  --enable-curl            enable curl connectivity"
 echo "  --disable-bluez          disable bluez stack connectivity"
+echo "  --enable-bluez           enable bluez stack connectivity"
 echo "  --disable-kvm            disable KVM acceleration support"
 echo "  --disable-nptl           disable usermode NPTL support"
 echo "  --enable-nptl            disable usermode NPTL support"
@@ -1171,10 +1174,7 @@
 
 ##########################################
 # bluez support probe
-if test "$bluez" = "yes" ; then
-  `pkg-config bluez 2> /dev/null` || bluez="no"
-fi
-if test "$bluez" = "yes" ; then
+if test "$bluez" != "no" ; then
   cat > $TMPC << EOF
 #include <bluetooth/bluetooth.h>
 int main(void) { return bt_error(0); }
@@ -1182,8 +1182,12 @@
   bluez_cflags=`pkg-config --cflags bluez 2> /dev/null`
   bluez_libs=`pkg-config --libs bluez 2> /dev/null`
   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
+    bluez=yes
     libs_softmmu="$bluez_libs $libs_softmmu"
   else
+    if test "$bluez" = "yes" ; then
+      feature_not_found "bluez"
+    fi
     bluez="no"
   fi
 fi
@@ -1578,6 +1582,7 @@
 fi
 echo "xen support       $xen"
 echo "brlapi support    $brlapi"
+echo "bluez  support    $bluez"
 echo "Documentation     $build_docs"
 [ ! -z "$uname_release" ] && \
 echo "uname -r          $uname_release"