[OpenWrt-Devel] concept of package/compile output

[Claudio Thomas]

Hello Thomas,

On 06.08.2014 13:44, thomas.langer at lantiq.com wrote:
> Hello Claudio,
>
> Claudio Thomas wrote on 2014-08-06:
>> Hi,
>> is there a special concept what the package/compile output (without V=s)
>> shows?
> These are the real targets the build system is executing, nothing intended to be called directly by a user!
> The "make[3]" indicates that it is already the third sub-process of make from your invocation!
> This includes some internal lookups to find the real path of a package and providing 
> some other information from the build environment.
>
>> Sometime you see something like..
>>     make[3] -C package/libs/librpc compile
>>     make[3] -C package/network/utils/iwinfo compile
>>     make[3] -C package/system/uci compile
>> what corresponds to the make-rules
>>     make package/libs/librpc/compile
>>     make package/network/utils/iwinfo/compile
>>     make package/system/uci/compile
>>
>> but also often
>>     make[3] -C feeds/packages/admin/htop compile
>>     make[3] -C feeds/packages/libs/file compile
>>     make[3] -C feeds/packages/net/wget compile
>> what does not corresponds to the expected but not existent target-rules
>>     make feeds/packages/admin/htop/compile
>>     make feeds/packages/libs/file/compile
>>     make feeds/packages/net/wget/compile
>> but to the rules:
>>     make package/feeds/packages/htop/compile
>>     make package/feeds/packages/file/compile
>>     make package/feeds/packages/wget/compile
>>
>> Last ones I've found out by try and error...
>> OK, no I know it, but I'm probably not the first one :-)
> The simple rule, if you want to compile a package NAME,
> just call "make package/NAME/compile" and ignore the real path for the package!
>
>> Why does the output of the first examples is identical to the target
>> rule and on the others not?
>> Why is in the first examples the section (libs, network/utils, system)
>> part of the target rule and on the others not?
> If you look at the path of the packages, you can find a symlink inside.
> And make will automatically replace it by the real path...
>
>> ...
>> Suggestion: Maybe it could make things easier for all newbies that join
>> openwrt in future if the output reflect the real target rule, like in
>> the first examples.
>>
>> Best regards,
>> Claudio
> Best Regards,
> Thomas
thanks for the explanation.
Now I now how to compile a package directly without guessing what would
be the correct rule to use.
But I still wonder why sometimes it is shown in one way and on some
packages like the other examples.
Probably sometimes is wondering necessary to learn to comprehend things
better :-)
Best regards,
Claudio
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