[Scons-dev] SCons 3.1.2 Released

[Eric Fahlgren]

On Mon, Dec 16, 2019 at 7:02 PM Bill Deegan <bill at baddogconsulting.com>
wrote:

>     - EXPERIMENTAL NEW FEATURE: Enable caching MSVC configuration
>       If SCONS_CACHE_MSVC_CONFIG shell environment variable is set,
>       SCons will cache the results of past calls to vcvarsall.bat to
>       a file; integrates with existing memoizing of such vars.
>       On vs2019 saves 5+ seconds per SCons invocation, which really
>       helps test suite runs.
>

Thanks a bunch for this one!  Our bare, no-target 'scons' invocation is
down to about 0.8 seconds now, and we can do a single DLL build in ~2.5 s,
which makes things very snappy indeed.
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