configure: add --with-confsuffix option

This will allow the user to make Qemu use a different subdirectory name
inside $datadir and $sysconfdir, instead of "/qemu".

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/configure b/configure
index df439c9..2dffab8 100755 (executable)
--- a/configure
+++ b/configure
@@ -591,6 +591,8 @@ for opt do
   ;;
   --datadir=*) datadir="$optarg"
   ;;
+  --with-confsuffix=*) confsuffix="$optarg"
+  ;;
   --docdir=*) qemu_docdir="$optarg"
   ;;
   --sysconfdir=*) sysconfdir="$optarg"
@@ -1007,10 +1009,11 @@ echo "  --python=PYTHON          use specified python [$python]"
 echo "  --smbd=SMBD              use specified smbd [$smbd]"
 echo "  --static                 enable static build [$static]"
 echo "  --mandir=PATH            install man pages in PATH"
-echo "  --datadir=PATH           install firmware in PATH/qemu"
-echo "  --docdir=PATH            install documentation in PATH"
+echo "  --datadir=PATH           install firmware in PATH$confsuffix"
+echo "  --docdir=PATH            install documentation in PATH$confsuffix"
 echo "  --bindir=PATH            install binaries in PATH"
-echo "  --sysconfdir=PATH        install config in PATH/qemu"
+echo "  --sysconfdir=PATH        install config in PATH$confsuffix"
+echo "  --with-confsuffix=SUFFIX      suffix for Qemu data inside datadir and sysconfdir [$confsuffix]"
 echo "  --enable-debug-tcg       enable TCG debugging"
 echo "  --disable-debug-tcg      disable TCG debugging (default)"
 echo "  --enable-debug           enable common debug build options"