Re: [kvm-unit-tests RFC v2 2/4] scripts: add support for architecture dependent functions

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On Thu, Aug 13, 2020 at 09:49 AM +0200, Andrew Jones <drjones@xxxxxxxxxx> wrote:
> On Wed, Aug 12, 2020 at 11:27:03AM +0200, Marc Hartmayer wrote:
>> This is necessary to keep architecture dependent code separate from
>> common code.
>> 
>> Signed-off-by: Marc Hartmayer <mhartmay@xxxxxxxxxxxxx>
>> ---
>>  README.md           | 3 ++-
>>  scripts/common.bash | 5 +++++
>>  2 files changed, 7 insertions(+), 1 deletion(-)
>> 
>> diff --git a/README.md b/README.md
>> index 48be206c6db1..24d4bdaaee0d 100644
>> --- a/README.md
>> +++ b/README.md
>> @@ -134,7 +134,8 @@ all unit tests.
>>  ## Directory structure
>>  
>>      .:                  configure script, top-level Makefile, and run_tests.sh
>> -    ./scripts:          helper scripts for building and running tests
>> +    ./scripts:          general architecture neutral helper scripts for building and running tests
>> +    ./scripts/<ARCH>:   architecture dependent helper scripts for building and running tests
>>      ./lib:              general architecture neutral services for the tests
>>      ./lib/<ARCH>:       architecture dependent services for the tests
>>      ./<ARCH>:           the sources of the tests and the created objects/images
>> diff --git a/scripts/common.bash b/scripts/common.bash
>> index 96655c9ffd1f..f9c15fd304bd 100644
>> --- a/scripts/common.bash
>> +++ b/scripts/common.bash
>> @@ -52,3 +52,8 @@ function for_each_unittest()
>>  	fi
>>  	exec {fd}<&-
>>  }
>> +
>> +ARCH_FUNC=scripts/${ARCH}/func.bash
>
> The use of ${ARCH} adds a dependency on config.mak. It works now because
> in the two places we source common.bash we source config.mak first

Yep, I know.

> , but
> I'd prefer we make that dependency explicit.

Okay.

> We could probably just
> source it again from this file.

Another option is to pass ${ARCH} as an argument when we `source
scripts/runtime.bash`

=> `source scripts/runtime.bash "${ARCH}"`

Which one do you prefer?

>
> Thanks,
> drew
>
>> +if [ -f "${ARCH_FUNC}" ]; then
>> +	source "${ARCH_FUNC}"
>> +fi
>> -- 
>> 2.25.4
>> 
>
-- 
Kind regards / Beste Grüße
   Marc Hartmayer

IBM Deutschland Research & Development GmbH
Vorsitzender des Aufsichtsrats: Gregor Pillen 
Geschäftsführung: Dirk Wittkopp
Sitz der Gesellschaft: Böblingen
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