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build(core): SCons "go fast" button

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some pretty safe & reasonable defaults to speed up SCons:

- look at timestamps to figure out whether a file has changed
- but only if the timestamp is older than 10 secs (which should avoid any problems with 1s precision of mtime, as well as clock drifts etc)
- implicit cache is something to do with parsing C files for dependencies

see https://github.com/SCons/scons/wiki/GoFastButton
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matejcik 2023-11-01 12:34:33 +01:00 committed by matejcik
parent 1c244648c5
commit 66213823ea
1 changed files with 3 additions and 0 deletions
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core/SConstruct
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@ -1,4 +1,7 @@
# pylint: disable=E0602
Decider('content-timestamp')
SetOption('max_drift', 10)
SetOption('implicit_cache', 1)
SConscript('SConscript.boardloader', variant_dir='build/boardloader', duplicate=False)
SConscript('SConscript.bootloader', variant_dir='build/bootloader', duplicate=False)