Fix detection of optional libvirt support in virt-inspector.

diff --git a/inspector/virt-inspector.pl b/inspector/virt-inspector.pl
index c645cbd..6aa63ad 100755 (executable)
--- a/inspector/virt-inspector.pl
+++ b/inspector/virt-inspector.pl
@@ -206,8 +206,10 @@ if (-e $ARGV[0]) {
        }
     }
 } else {
-    die "no libvirt support (install Sys::Virt)"
-       unless exists $INC{"Sys/Virt.pm"};
+    die "virt-inspector: no libvirt support (install Sys::Virt, XML::XPath and XML::XPath::XMLParser)\n"
+       unless exists $INC{"Sys/Virt.pm"} &&
+       exists $INC{"XML/XPath.pm"} &&
+       exists $INC{"XML/XPath/XMLParser.pm"};
 
     pod2usage ("$0: too many domains listed on command line") if @ARGV > 1;