Re: scons executing "gcc -E -x c -"

First try using the latest SCons (3.1.1), 2.4.1 is very old.

Let us know if that changes anything.

-Bill

On Tue, Nov 26, 2019 at 1:30 PM Paul Sheer <[email protected]> wrote:

> Hi,
>
> I am trying to speed up a large scons build system for the case where
> the developer has only changed one .cc file.
>
> I am tracing all shell executions by scons and it seems to perform
> thousands of "gcc -E -x c -" even when the developer has changed
> nothing.
>
> Can anyone explain why this is, and how to improve this situation?
>
> Kind regards
>
> apt-cache show scons |grep Version ==> Version: 2.4.1-1
>
> Paul
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