[Scons-users] Retrieving variables

[Daniel Holth]

I am working on slurping all the compiler arguments from distutils into
scons for Python extensions. Anyone else tried it?

On Fri, Jun 17, 2016, 14:46 Ganssauge, Gottfried <
Gottfried.Ganssauge at haufe-lexware.com> wrote:

> You could use distutils.
> That has the advantage that it gets you the right msvc for python builds.
>
> Cheers,
> Gottfried
>
> -----Ursprüngliche Nachricht-----
> Von: Scons-users [mailto:scons-users-bounces at scons.org] Im Auftrag von
> Stefan Seefeld
> Gesendet: Freitag, 17. Juni 2016 20:27
> An: scons-users at scons.org
> Betreff: Re: [Scons-users] Retrieving variables
>
> On 17.06.2016 14:14, Bill Deegan wrote:
> > Is there a msvc.pyc or .pyo still in your config dir?
>
> I'm not quite sure what the problem was, but after some further
> refactoring the symptom has disappeared. SCons is now correctly looking for
> tools both in my custom path as well as the builtin path(s).
>
> I'm still trying to figure out how to conditionalize the call to
>
>   env.Tool('msvc')
>
> The obvious check is for the platform ('win32'). But even there, not all
> Windows users have MSVC installed, so how can I reproduce the SCons logic
> of iterating over a list of tools until one is found ?
>
> In fact, what I really want is this:
>
> For each platform, find all available tools, then let the user pick. For
> example, on Linux:
>
> *  `scons` should pick gcc
> *  `scons toolchain=clang` should pick clang
> *  `scons toolchain=msvc` should fail ("no such toolchain")
>
> On Windows:
>
> * `scons` should pick msvc if available, or any other of the default tools
> being searched for
> * `scons toolchain=cygwin` should pick the cygwin compiler (if available)
> * etc.
>
> Any suggestion on how to implement that logic ?
>
> Many thanks for all your help !
>
>         Stefan
>
>
> --
>
>       ...ich hab' noch einen Koffer in Berlin...
>
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