Re: [Xen-devel] [PATCH] Avoid relative XEN_ROOT specification

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Fri, 2011-10-07 at 05:42 +0100, Juergen Gross wrote:
> XEN_ROOT must be set to an absolute path to avoid out of the tree references

How about:

# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1317973741 -3600
# Node ID d0327c39dff8abdc224e3c19f31e11f0fbeb5c16
# Parent  f17f0df2a2ede01a8c35dc4768a532a4438b1c02
tools: error out on non-absolute $(XEN_ROOT)

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

diff -r f17f0df2a2ed -r d0327c39dff8 tools/Rules.mk
--- a/tools/Rules.mk    Wed Oct 05 10:43:41 2011 +0100
+++ b/tools/Rules.mk    Fri Oct 07 08:49:01 2011 +0100
@@ -3,6 +3,10 @@
 # `all' is the default target
 all:
 
+ifeq ($(filter /%,$(XEN_ROOT)),)
+$(error XEN_ROOT must be absolute)
+endif
+
 include $(XEN_ROOT)/Config.mk
 
 export _INSTALL := $(INSTALL)



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