[Scons-users] Retrieving variables

[Dirk Baechle]

Hi Stefan, 

this sounds very much as if you're actually looking for the new Toolchain design that Gary is working on.
I see the chance of you two and Jason Kenny sticking your heads together and coming up with something really good. ;)

Best regards, 

Dirk


Am 17. Juni 2016 20:27:12 MESZ, schrieb Stefan Seefeld <stefan at seefeld.name>:
>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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