[Xen-devel] [PATCH RFC v1 04/14] Makefile: require XEN_ROOT and MINI_OS to be defined

[Wei Liu <wei.liu2@xxxxxxxxxx>]

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 Makefile | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/Makefile b/Makefile
index cfbaa99..f3f5c02 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,10 @@
-XEN_ROOT = $(CURDIR)/..
-MINI_OS = $(XEN_ROOT)/extras/mini-os
+ifeq (,$(XEN_ROOT))
+  $(error Please define XEN_ROOT environment variable)
+endif
+
+ifeq (,$(MINI_OS))
+  $(error Please define MINI_OS environment variable)
+endif
 
 export XEN_ROOT
 export XEN_OS=MiniOS
@@ -10,9 +15,6 @@ export stubdom=y
 export debug=y
 
 ifeq (,$(findstring clean,$(MAKECMDGOALS)))
-  ifeq ($(wildcard $(MINI_OS)/Config.mk),)
-    $(error Please run `make mini-os-dir' in top-level directory)
-  endif
   include $(XEN_ROOT)/Config.mk
 endif
 
-- 
2.1.4


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