Improve configure error message about missing Linux headers

diff --git a/configure.ac b/configure.ac
index 1c545348aa36ee4d1c7a405750f22a8fb769c394..087df82338961c4fd1fdb1801967417506b02b56 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -529,7 +529,7 @@ dnl check for kernel headers required by src/bridge.c
 dnl
 if test "$with_qemu" = "yes" || test "$with_lxc" = "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]))
+                   AC_MSG_ERROR([You must install kernel-headers in order to compile libvirt with QEMU or LXC support]))
 fi