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Message-id: <alpine.LNX.2.00.1112150832360.61146@linux>
Date: Thu, 15 Dec 2011 08:40:36 -0500 (EST)
From: Peter Foley <pefoley2@...izon.net>
To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linux Kbuild Mailing List <linux-kbuild@...r.kernel.org>,
mmarek@...e.cz
Subject: [PATCH V2] try to create KBUILD_OUTDIR automatically
This patch makes it possible to execute make O=/path/to/work instead of
mkdir -p /path/to/work
make O=/path/to/work
Signed-off-by: Peter Foley <pefoley2@...izon.net>
---
V2:
update error message
Makefile | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/Makefile b/Makefile
index d1ea73f..5855399 100644
--- a/Makefile
+++ b/Makefile
@@ -115,11 +115,11 @@ $(CURDIR)/Makefile Makefile: ;
ifneq ($(KBUILD_OUTPUT),)
# Invoke a second make in the output directory, passing relevant variables
-# check that the output directory actually exists
+# check that the output directory exists or can be created
saved-output := $(KBUILD_OUTPUT)
-KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd)
+KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) && /bin/pwd)
$(if $(KBUILD_OUTPUT),, \
- $(error output directory "$(saved-output)" does not exist))
+ $(error output directory "$(saved-output)" does not exist and cannot be created))
PHONY += $(MAKECMDGOALS) sub-make
--
1.7.8
--
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