[Mesa-stable] [Mesa-dev] [PATCH] android: amd/common: fix sid_tables.h generation rules

[Mauro Rossi]

2017-08-11 20:06 GMT+02:00 Mauro Rossi <issor.oruam at gmail.com>:
> 2017-08-11 17:25 GMT+02:00 Rob Herring <robh at kernel.org>:
>> On Fri, Aug 11, 2017 at 10:10 AM, Mauro Rossi <issor.oruam at gmail.com> wrote:
>>> 2017-08-11 16:23 GMT+02:00 Rob Herring <robh at kernel.org>:
>>>> On Fri, Aug 11, 2017 at 9:02 AM, Mauro Rossi <issor.oruam at gmail.com> wrote:
>>>>> Current generation rules rely on LOCAL_PATH variable,
>>>>> which may be undefined when dependencies are expanded;
>>>>> move to using MESA_TOP variable to define sid_tables.py script path
>>>>
>>>> I count roughly 67 occurrences of pointing to python scripts using
>>>> LOCAL_PATH. Presumably they all need to be fixed or this isn't really
>>>> the problem.
>>>>
>>>>> Fixes the following building error:
>>>>>
>>>>> external/mesa/src/gallium/drivers/radeonsi/si_debug.c:30:10: fatal error: 'sid_tables.h' file not found
>>>>>          ^
>>>>> 1 error generated.
>>>>>
>>>>> Fixes: 730574c58e "android: amd/common: add support for libmesa_amd_common"
>>>>
>>>> Why do I not see this error?
>>>
>>>
>>> I was also suprised to see the error,
>>> it started to appear persistently when building nougat-x86 from scratch.
>>>
>>> As a similar case I saw this one:
>>> https://cgit.freedesktop.org/mesa/mesa/commit/?id=c1a29e104cc585ad3219b12d09f532a129d68dad
>>>
>>> and in general I empirically saw it is unsafe to use $(LOCAL_PATH) in
>>> generated files dependencies rules.
>>> Chih-Wei may know better the reason.
>>
>> The discussion on this concluded that LOCAL_PATH as a rule dependency
>> is okay. LOCAL_PATH in the recipe for the rule is not.
>

Hi Rob,

It is as you said, the patch is not necessary

Sorry, I suspect I've been affected by a failing hard drive
M.

>
>>
>>>
>>> Added him in Cc:
>>>
>>> Mauro
>>>
>>> PS: If it is a false positive and not needed in 17.2 and mesa-dev
>>> please Rob, Chih-Wei just tell me,
>>> but in any case 17.1 branch requires to add:
>>>
>>> +LOCAL_STATIC_LIBRARIES := libmesa_amd_common
>>>
>>> in https://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/drivers/radeonsi/Android.mk?h=17.1
>>
>> Not sure, but probably needed as radeonsi was not in good shape in 17.1.
>>
>> Rob

Now I cross-checked and the additional static dependendency is not needed either
Also mesa-stable can be dropped and does not need changes
M.