Re: Scons Implicity Dependency not found issue

Is `build/configs/pangu/usw/firmware/arch/pangu/include/io.h' the correct
path to io.h?
Are you using duplicate=0, or not specifying in you SConscript()?
Are you using chdir somewhere in your SCons logic?

Also, please paste the compile line for the compile which should find io.h
when it's passing?

On Tue, Oct 16, 2018 at 11:14 AM Hua Yanghao <[email protected]> wrote:

> no it is static file.
>
> On Tue 16. Oct 2018 at 17:08, Bill Deegan <[email protected]>
> wrote:
>
>> Is io.h a generated file?
>> Paste the compile line for the compile which should find io.h when it's
>> passing?
>>
>>
>> On Tue, Oct 16, 2018 at 8:54 AM Hua Yanghao <[email protected]> wrote:
>>
>>> Hi Bill,
>>> Yes io.h is on my CPPPATH. And I am using variant_dir="build" for
>>> SConscript files. So normally all used header files will end up in the
>>> build folder too. But occasionally scons seems missed it. I am
>>> struggling to reproduce it ...
>>>
>>> BR, Yanghao
>>> On Tue, Oct 16, 2018 at 2:51 PM Bill Deegan <[email protected]>
>>> wrote:
>>> >
>>> > Yes. Headers are scanned recursively.
>>> > Implicit cache should only be enable by command line flag or
>>> SetOption()
>>> >
>>> > Where is io.h located? is it in your CPPPATH?
>>> >
>>> > On Tue, Oct 16, 2018 at 6:43 AM Hua Yanghao <[email protected]>
>>> wrote:
>>> >>
>>> >> By the way, is scons scanner scans C file headers recursively? Thanks.
>>> >> On Tue, Oct 16, 2018 at 12:40 PM Hua Yanghao <[email protected]>
>>> wrote:
>>> >> >
>>> >> > scons: *** [build/configs/pangu/usw/firmware/arch/pangu/test.os]
>>> >> > Implicit dependency
>>> >> > `build/configs/pangu/usw/firmware/arch/pangu/include/io.h' not
>>> found,
>>> >> > needed by target
>>> `build/configs/pangu/usw/firmware/arch/pangu/test.os'
>>> >> >
>>> >> > I recently run into this odd problem, and it is very difficult to
>>> >> > reproduce. I did not explicitly enable the "implicit_cache" option
>>> >> > anywhere in my code. If I simply remove the build folder and then
>>> >> > re-build everything works as normal. the problem happens when there
>>> is
>>> >> > a old build, and then I pulled in some new code where this "test.c"
>>> >> > has included an additional header io.h and scons seems not
>>> re-scanning
>>> >> > the file by default.
>>> >> >
>>> >> > I am using scons 3.0.1, is the implict_cache by default enabled
>>> there
>>> >> > and I have to disable it manually?
>>> >> >
>>> >> > Thanks,
>>> >> > Yanghao Hua
>>> >> _______________________________________________
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>>> >
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