linux-kernel - [LGUEST] Look in object dir for .config

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Message-ID: <20070503045446.GG15955@bakeyournoodle.com>
Date:	Thu, 3 May 2007 14:54:46 +1000
From:	tony@...eyournoodle.com (Tony Breeds)
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Linux Kernel ML <linux-kernel@...r.kernel.org>
Subject: [LGUEST] Look in object dir for .config

From: Tony Breeds <tony@...eyournoodle.com>

[LGUEST] Look in object dir for .config

If you build with make O=.... then .config isn't in ../../, this patch
goes partway to making sure that you don't dirty the source tree.

Signed-off-by: Tony Breeds <tony@...eyournoodle.com>

---
 Documentation/lguest/Makefile |    9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

--- Documentation/lguest/Makefile.orig	2007-05-03 14:23:07.000000000 +1000
+++ Documentation/lguest/Makefile	2007-05-03 14:25:27.000000000 +1000
@@ -1,8 +1,15 @@
 # This creates the demonstration utility "lguest" which runs a Linux guest.
 
+# For those people that have a separate object dir, look there for .config
+KBUILD_OUTPUT := ../..
+ifdef O
+  ifeq ("$(origin O)", "command line")
+    KBUILD_OUTPUT := $(O)
+  endif
+endif
 # We rely on CONFIG_PAGE_OFFSET to know the highest address we can put
 # the lguest binary.
-include ../../.config
+include $(KBUILD_OUTPUT)/.config
 LGUEST_GUEST_TOP := ($(CONFIG_PAGE_OFFSET) - 0x08000000)
 
 CFLAGS:=-Wall -Wmissing-declarations -Wmissing-prototypes -O3 \

Yours Tony

  linux.conf.au        http://linux.conf.au/ || http://lca2008.linux.org.au/
  Jan 28 - Feb 02 2008 The Australian Linux Technical Conference!
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