Rémi Verschelde 60959b085d SCons: Add only selected platform's opts to env ...

Otherwise we can get situations where platform-specific opts with the same name
can override each other depending on the order at which platforms are parsed,
as was the case with `use_static_cpp` in Linux/Windows.

Fixes #44304.

This also has the added benefit that the `scons --help` output will now only
include the options which are relevant for the selected (or detected) platform.

(cherry picked from commit 0f84d8dc49)

2020-12-29 16:02:00 +01:00

6.6 KiB

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