Re: [PATCH] cogl-1.0.inc: set RDEPENDS_${PN}-dev = ""

[Adrian Ratiu <adrian.ratiu@collabora.com>]

On Wed, 17 Jul 2019, Kang Kai <Kai.Kang@windriver.com> wrote:
Hi

> On 2019/7/17 下午3:48, Adrian Ratiu wrote: 
>> ${PN}-dev by default depends on ${PN} but in this case ${PN} is 
>> empty by design (FILES_${PN} = "") and is not created, leading 
>> to installation dependency errors like the following: 
>> 
>> Collected errors: 
>>   * Solver encountered 1 problem(s): * Problem 1/1: *   - 
>>   nothing provides cogl-1.0 = 1.22.2-r0 needed by 
>>   cogl-1.0-dev-1.22.2-r0.armv7at2hf-neon-imx * * Solution 1: * 
>>   - do not ask to install a package providing cogl-1.0-dev 
>  
> I think what you need is 
> 
> ALLOW_EMPTY_${PN} = "1"

Why is creating and depending on an empty package better than not 
creating and depending on it at all?

From what I can see in other recipes both methods are used.

>
>
> Regards,
> Kai
>
>
>>
>> Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
>> ---
>>   meta/recipes-graphics/cogl/cogl-1.0.inc | 2 ++
>>   1 file changed, 2 insertions(+)
>>
>> diff --git a/meta/recipes-graphics/cogl/cogl-1.0.inc b/meta/recipes-graphics/cogl/cogl-1.0.inc
>> index 3e392fa5ec..a388023a03 100644
>> --- a/meta/recipes-graphics/cogl/cogl-1.0.inc
>> +++ b/meta/recipes-graphics/cogl/cogl-1.0.inc
>> @@ -75,4 +75,6 @@ RPROVIDES_libcogl = "cogl-1.0"
>>   RCONFLICTS_libcogl = "cogl-1.0"
>>   RREPLACES_libcogl = "cogl-1.0"
>>   
>> +RDEPENDS_${PN}-dev = ""
>> +
>>   COMPATIBLE_HOST_armv4 = 'null'
>
>
> -- 
> Kai Kang