kbuild: create KBUILD_OUTPUT
When requesting build to another directory, try to create it first.
Cc: Sam Ravnborg <[EMAIL PROTECTED]>
Signed-off-by: Oleg Verych <[EMAIL PROTECTED]>
---
,-*- bash -*-
|[EMAIL PROTECTED]:~/kernel.org/_work/src/linux-2.6.20-rc5$
|[EMAIL PROTECTED]:~/kernel.org/_work/src/linux-2.6.20-rc5$ make O=/tmp/build
|cd: 1: can't cd to /tmp/build
|Makefile:116: *** output directory "/tmp/build" does not exist. Stop.
|[EMAIL PROTECTED]:~/kernel.org/_work/src/linux-2.6.20-rc5$ patch -p1
<../../va-patch/
|kbuild-create-output-dir.patch
|patching file Makefile
|[EMAIL PROTECTED]:~/kernel.org/_work/src/linux-2.6.20-rc5$ make O=/tmp/build
|HOSTCC scripts/basic/fixdep HOSTCC scripts/basic/docproc make[3]: ***
|[scripts/basic/docproc] Interrupt make[2]: *** [scripts_basic] Interrupt
|make: *** [_all] Interrupt
|
|[EMAIL PROTECTED]:~/kernel.org/_work/src/linux-2.6.20-rc5$
`-*-
--- linux-2.6.20-rc5/Makefile~orig 2007-01-12 19:54:26.000000000 +0100
+++ linux-2.6.20-rc5/Makefile 2007-01-24 00:59:55.926951750 +0100
@@ -113,5 +113,5 @@
# check that the output directory actually exists
saved-output := $(KBUILD_OUTPUT)
-KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd)
+KBUILD_OUTPUT := $(shell d=$(KBUILD_OUTPUT) ; mkdir -p $$d && cd $$d && pwd)
$(if $(KBUILD_OUTPUT),, \
$(error output directory "$(saved-output)" does not exist))
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