X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=daemon%2Ftar.c;h=072a56693ec33f40ae9c221508ea77176abb18de;hb=f93cdf1ed3323b8d9451a7f4f6365ac30ab8ba81;hp=941f80bd8110ae0fca1715539a09b788c24bdd5d;hpb=55748a94bc840ac07d3c211119372cd16b31f1a0;p=libguestfs.git

diff --git a/daemon/tar.c b/daemon/tar.c
index 941f80b..072a566 100644
--- a/daemon/tar.c
+++ b/daemon/tar.c
@@ -25,9 +25,17 @@
 
 #include "read-file.h"
 
-#include "../src/guestfs_protocol.h"
+#include "guestfs_protocol.h"
 #include "daemon.h"
 #include "actions.h"
+#include "optgroups.h"
+
+int
+optgroup_xz_available (void)
+{
+  int r = access ("/usr/bin/xz", X_OK);
+  return r == 0;
+}
 
 /* Redirect errors from the tar command to the error file, then
  * provide functions for reading it in.  We overwrite the file each