[Scons-users] "no dependency generated" when warnings are turned on

[Bill Deegan]

Mats,

Likely these are file which don't include any files.

What were you looking for that lead you to turn on --warn=dependency ?

-Bill

On Wed, Jul 5, 2017 at 6:57 PM, Mats Wichmann <mats at wichmann.us> wrote:

>
> So turning on the dependency warning setting, got lots (10,000 according
> to a grep of a suddenly huge build log) of warnings of the form
>
> scons: warning: No dependency generated for file: blah (included from:
> source file in the tree)
>
> after a quick sampling, these all look like they are files external to
> the project, specifically system headers.
>
> I'm presuming this is just ignorable, and perhaps the reason why
> dependency warnings are off by default?
>
> or does this indicate something dubious in the project setup?
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