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fix(common): set consistent timestamps on template-generated files #3353

Merged
merged 4 commits into from
Feb 1, 2024
Merged

fix(common): set consistent timestamps on template-generated files #3353

merged 4 commits into from
Feb 1, 2024

Commits on Feb 1, 2024

  1. fix(common): set consistent timestamps on template-generated files 

    this helps the build system keep track of whether anything has actually changed
    @matejcik
    matejcik committed Feb 1, 2024
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  2. build(core): SCons "go fast" button 

    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
    @matejcik
    matejcik committed Feb 1, 2024
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  3. build(core): use the right number of jobs

    @matejcik
    matejcik committed Feb 1, 2024
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  4. build(core): optimize qstr and module collection 

    Run the preprocessor on each file separately.
This allows parallelization and doesn't need to re-run for all files if just a small number is changed.

Replace simple extractors with one-liners which are generally going to be faster.
    @matejcik
    matejcik committed Feb 1, 2024
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