[Scons-users] Print out messages only if target is building

[Bill Deegan]

SConscripts are not targets.

Can you provide more detail?
Do you want some text output when a give program is built? Or a library? or
something else?

On Wed, Aug 1, 2018 at 9:28 AM, Mats Wichmann <mats at wichmann.us> wrote:

> On 08/01/2018 06:19 AM, Anna Cheremnykh wrote:
> > Hi,
> >
> > I stuck with a problem: I want to print message only when given
> > target(Scinscript) is building.
> > What we have: several samples, each sample in separate directory with
> > separate Sconscript. Some of samples require 3rdparty SDKs and
> > environment variables set to these SDKs. But if developer doesn't have
> > such env var - sample build should be just skipped without errors.
> > So in sconsripts we added something like this:
> >
> > if not os.getenv('SOME_SDK_ROOT'):
> >     print('SOME_SDK_ROOT  not found, ' + sample_name + ' build skipped')
> >     Return()
> >
> > I understand that scons read all sconsript files first. And I see this
> > message every time even if I build another samples or another
> > components. So my question how NOT to print messages if I call another
> > target from another Sconscript? Thanks!
> >
>
> I think you can look at COMMAND_LINE_TARGETS and BUILD_TARGETS to maybe
> figure something out?
>
> https://scons.org/doc/3.0.1/HTML/scons-user.html#sect-command-line-targets
>
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