[libvirt] [PATCH] fix-up an implicit build dead-loop in cfg.mk

[liguang]

if gnulib submodule happened to be dirty, build
process  will fall into '_autogen' target trap
in cfg.mk recursively, so break this dead-loop.

Signed-off-by: liguang <lig.fnst at cn.fujitsu.com>
---
 cfg.mk |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/cfg.mk b/cfg.mk
index bbfd4a2..92966d5 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -699,7 +699,7 @@ ifeq (0,$(MAKELEVEL))
       test "$$stamp" = "$$actual"; echo $$?)
   _clean_requested = $(filter %clean,$(MAKECMDGOALS))
   ifeq (1,$(_update_required)$(_clean_requested))
-    $(info INFO: gnulib update required; running ./autogen.sh first)
+    $(error ERR: gnulib update required; running ./autogen.sh first)
 Makefile: _autogen
   endif
 endif
-- 
1.7.2.5