From: Shuah Khan <skhan@linuxfoundation.org>
To: Tim.Bird@sony.com, shuah@kernel.org
Cc: linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
"skha >> Shuah Khan" <skhan@linuxfoundation.org>
Subject: Re: [PATCH] selftests: Fix O= and KBUILD_OUTPUT handling for relative paths
Date: Tue, 15 Oct 2019 18:34:25 -0600 [thread overview]
Message-ID: <0ec9669e-98ce-4b1e-f98a-ce133dac724c@linuxfoundation.org> (raw)
In-Reply-To: <ECADFF3FD767C149AD96A924E7EA6EAF977CC2AB@USCULXMSG01.am.sony.com>
On 10/15/19 5:27 PM, Tim.Bird@sony.com wrote:
>> -----Original Message-----
>> From: Shuah Khan on Monday, October 14, 2019 3:45 PM
>>
>> Fix O= and KBUILD_OUTPUT handling for relative paths.
>>
>> export KBUILD_OUTPUT=../kselftest_size
>> make TARGETS=size kselftest-all
>>
>> or
>>
>> make O=../kselftest_size TARGETS=size kselftest-all
>>
>> In both of these cases, targets get built in ../kselftest_size which is
>> a one level up from the size test directory.
>>
>> make[1]: Entering directory '/mnt/data/lkml/kselftest_size'
>> make --no-builtin-rules INSTALL_HDR_PATH=$BUILD/usr \
>> ARCH=x86 -C ../../.. headers_install
>> INSTALL ../kselftest_size/usr/include
>> gcc -static -ffreestanding -nostartfiles -s get_size.c -o
>> ../kselftest_size/size/get_size
>> /usr/bin/ld: cannot open output file ../kselftest_size/size/get_size: No such
>> file or directory
>> collect2: error: ld returned 1 exit status
>> make[3]: *** [../lib.mk:138: ../kselftest_size/size/get_size] Error 1
>> make[2]: *** [Makefile:143: all] Error 2
>> make[1]: *** [/mnt/data/lkml/linux_5.4/Makefile:1221: kselftest-all] Error 2
>> make[1]: Leaving directory '/mnt/data/lkml/kselftest_size'
>> make: *** [Makefile:179: sub-make] Error 2
>>
>> Use abs_objtree exported by the main Makefile.
>>
>> Reported-by: Tim Bird <Tim.Bird@sony.com>
>> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
>> ---
>> tools/testing/selftests/Makefile | 5 +++--
>> 1 file changed, 3 insertions(+), 2 deletions(-)
>>
>> diff --git a/tools/testing/selftests/Makefile
>> b/tools/testing/selftests/Makefile
>> index 4cdbae6f4e61..3405aa26a655 100644
>> --- a/tools/testing/selftests/Makefile
>> +++ b/tools/testing/selftests/Makefile
>> @@ -86,10 +86,10 @@ override LDFLAGS =
>> endif
>>
>> ifneq ($(O),)
>> - BUILD := $(O)
>> + BUILD := $(abs_objtree)
>> else
>> ifneq ($(KBUILD_OUTPUT),)
>> - BUILD := $(KBUILD_OUTPUT)/kselftest
>> + BUILD := $(abs_objtree)/kselftest
>> else
>> BUILD := $(shell pwd)
>> DEFAULT_INSTALL_HDR_PATH := 1
>> @@ -102,6 +102,7 @@ include $(top_srcdir)/scripts/subarch.include
>> ARCH ?= $(SUBARCH)
>> export KSFT_KHDR_INSTALL_DONE := 1
>> export BUILD
>> +#$(info abd_objtree = $(abs_objtree) BUILD = $(BUILD))
>>
>> # build and run gpio when output directory is the src dir.
>> # gpio has dependency on tools/gpio and builds tools/gpio
>> --
>
> This works great. Thanks very much.
>
> Tested-by: Tim Bird <tim.bird@sony.com>
> Acked-by: Tim Bird <tim.bird@sony.com>
>
> -- Tim
>
Thanks for testing. Will get this into 5.4-rc4
thanks,
-- SHuah
prev parent reply other threads:[~2019-10-16 0:34 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-15 1:45 [PATCH] selftests: Fix O= and KBUILD_OUTPUT handling for relative paths Shuah Khan
2019-10-15 23:27 ` Tim.Bird
2019-10-16 0:34 ` Shuah Khan [this message]
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