On 3/5/20 5:39 PM, Masami Hiramatsu wrote:
> On Thu, 5 Mar 2020 10:50:43 -0800
> Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote:
>
>> On 3/4/20 10:03 PM, Masami Hiramatsu wrote:
>>> When I compiled tools/bootconfig from top directory with
>>> -C option, the O= option didn't work correctly if I passed
>>> a relative path.
>>>
>>> $ make O=./builddir/ -C tools/bootconfig/
>>> make: Entering directory '/home/mhiramat/ksrc/linux/tools/bootconfig'
>>> ../scripts/Makefile.include:4: *** O=./builddir/ does not exist. Stop.
>>> make: Leaving directory '/home/mhiramat/ksrc/linux/tools/bootconfig'
>>>
>>> The O= directory existence check failed because the check
>>> script ran in the build target directory instead of the
>>> directory where I ran the make command.
>>>
>>> To fix that, once change directory to $(PWD) and check O=
>>> directory, since the PWD is set to where the make command
>>> runs.
>>>
>>> Fixes: c883122acc0d ("perf tools: Let O= makes handle relative paths")
>>> Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
>>> Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
>>
>> Hi Masami,
>>
>> This patch doesn't fix anything AFAICT.
>> Didn't help in my testing.
>>
>
> Hmm, what happens on your case? Maybe PWD is not set?
>
> Thank you,
The binary is still built in $srctree/tools/bootconfig/.
If I 'echo $PWD' at a prompt, I get the correct pwd.
>
>> Thanks.
>>
>>> ---
>>> tools/scripts/Makefile.include | 4 ++--
>>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include
>>> index ded7a950dc40..6d2f3a1b2249 100644
>>> --- a/tools/scripts/Makefile.include
>>> +++ b/tools/scripts/Makefile.include
>>> @@ -1,8 +1,8 @@
>>> # SPDX-License-Identifier: GPL-2.0
>>> ifneq ($(O),)
>>> ifeq ($(origin O), command line)
>>> - dummy := $(if $(shell test -d $(O) || echo $(O)),$(error O=$(O) does not exist),)
>>> - ABSOLUTE_O := $(shell cd $(O) ; pwd)
>>> + dummy := $(if $(shell cd $(PWD); test -d $(O) || echo $(O)),$(error O=$(O) does not exist),)
>>> + ABSOLUTE_O := $(shell cd $(PWD); cd $(O) ; pwd)
>>> OUTPUT := $(ABSOLUTE_O)/$(if $(subdir),$(subdir)/)
>>> COMMAND_O := O=$(ABSOLUTE_O)
>>> ifeq ($(objtree),)
--
~Randy
