[U-Boot] Problem: the build does not recurse into subdirectory

[Maxim Sloyko]

On Sat, Dec 17, 2016 at 2:46 PM, Simon Glass <sjg at chromium.org> wrote:
> Hi Maxim,
>
> On 16 December 2016 at 17:18, Maxim Sloyko <maxims at google.com> wrote:
>> Greetings,
>>
>> I'm working on adding new platform to U-Boot and right now I'm trying
>> to clean up the directory structure, but running into a problem of
>> Make not recursing into a subdirectory that I've created.
>>
>> in my arch/arm/mach-aspeed/Makefile I have this:
>>
>> obj-$(CONFIG_ASPEED_AST2500) += ast2500/ ast2500-board.o
>>
>> and then in arch/arm/mach-aspeed/ast2500/Makefile:
>>
>> $obj-y += clk_ast2500.o sdram_ast2500.o
>
> What is the $ for? I don't think you want that.

Oh my, I can't believe I was that stupid :)

Thanks for the help, that's what the problem was.

>
>>
>> When I try to build everything, I get this error:
>>
>> arm-linux-gnueabi-ld.bfd: cannot find
>> arch/arm/mach-aspeed/ast2500/built-in.o: No such file or directory
>>
>> If instead in arch/arm/mach-aspeed/Makefile I specify:
>>
>> obj-$(CONFIG_ASPEED_AST2500) += ast2500/clk_ast2500.o
>> ast2500/sdram_ast2500.o ast2500-board.o
>>
>> (That is, I just added binaries from the lower level dir explicitly)
>>
>> everything builds fine, which means that CONFIG_ASPEED_AST2500 is defined.
>>
>> Any ideas what might be the problem here?
>>
>> If you need more details, you can see the code here
>> https://github.com/maksymko/u-boot/tree/aspeed_ast2500_evb/arch/arm/mach-aspeed
>>
>> Many thanks for the help!
>>
>> --
>> Maxim Sloyko
>
> Regards,
> Simon



-- 
Maxim Sloyko