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

Mauro Rossi issor.oruam at gmail.com
Fri Aug 11 15:10:24 UTC 2017


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.

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

>
>>
>> Cc: "17.1 17.2" <mesa-stable at lists.freedesktop.org>
>> ---
>>  src/amd/Android.common.mk | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/src/amd/Android.common.mk b/src/amd/Android.common.mk
>> index 7d08bfd31d..f4497ed639 100644
>> --- a/src/amd/Android.common.mk
>> +++ b/src/amd/Android.common.mk
>> @@ -44,7 +44,7 @@ LOCAL_GENERATED_SOURCES := $(addprefix $(intermediates)/, $(AMD_GENERATED_FILES)
>>  $(LOCAL_GENERATED_SOURCES): PRIVATE_PYTHON := $(MESA_PYTHON2)
>>  $(LOCAL_GENERATED_SOURCES): PRIVATE_CUSTOM_TOOL = $(PRIVATE_PYTHON) $^ > $@
>>
>> -$(intermediates)/common/sid_tables.h: $(LOCAL_PATH)/common/sid_tables.py $(MESA_TOP)/src/amd/common/sid.h
>> +$(intermediates)/common/sid_tables.h: $(MESA_TOP)/src/amd/common/sid_tables.py $(MESA_TOP)/src/amd/common/sid.h
>>         $(transform-generated-source)
>>
>>  LOCAL_C_INCLUDES := \
>> --
>> 2.11.0
>>
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