Re: Scons Implicity Dependency not found issue

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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