Don't check for bridge headers if QEMU is disabled

ChangeLog

+Tue Sep 18 19:36:00 EST 2007 Daniel P. Berrange <berrange@redhat.com>
+
+	* configure.in: Don't check for Linux bridge headers if QEMU
+	driver is disabled
+
 Tue Sep 18 19:32:00 EST 2007 Daniel P. Berrange <berrange@redhat.com>
 
 	* configure.in: Print out summary of configuration options

configure.in

@@ -239,8 +239,10 @@ fi
 dnl
 dnl check for kernel headers required by qemud/bridge.c
 dnl
-AC_CHECK_HEADERS(linux/param.h linux/sockios.h linux/if_bridge.h linux/if_tun.h,,
-                 AC_MSG_ERROR([You must install kernel-headers in order to compile libvirt]))
+if test "$with_qemu" = "yes" ; then
+  AC_CHECK_HEADERS(linux/param.h linux/sockios.h linux/if_bridge.h linux/if_tun.h,,
+                   AC_MSG_ERROR([You must install kernel-headers in order to compile libvirt]))
+fi
 
 dnl ==========================================================================
 dnl find libxml2 library, borrowed from xmlsec