Development tips: Difference between revisions
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:* At the very least, this means in the same repository. Ideally code and tests are updated together in the same commit. |
:* At the very least, this means in the same repository. Ideally code and tests are updated together in the same commit. |
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* Make your startup / boot / init sequence independent of system configuration. Avoid early optimization. |
* Make your startup / boot / init sequence independent of system configuration. Avoid early optimization. |
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== Reproducible build == |
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=== libraries / ar === |
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With libraries produced with <code>ar</code>, use option <code>D</code> to produce '''deterministic build'''. |
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<source lang="bash"> |
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ar rcsD mylib.a foo.o bar.o |
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</source> |
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Alternatively one can run <code>ranlib</code> in deterministic mode: |
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<source lang="bash"> |
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ranlib -D mylib.a |
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</source> |
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I also made a custom python script <code>ardee.py</code> (that also works on libraries produce by ARM toolchain <code>armar</code>, which doesn't have the <code>D</code> flag) |
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<source lang="bash"> |
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ardee.py mylib.a |
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</source> |
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== Calendars == |
== Calendars == |
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Revision as of 20:51, 2 March 2022
Summary of things I do frequently or that I learned the hard way
Console tips
- Search for whole words occurence:
ag "\bWHOLEWORD\b" # or
ag -w WHOLEWORD
Advices
- Always keep your tests in sync with your source code.
- At the very least, this means in the same repository. Ideally code and tests are updated together in the same commit.
- Make your startup / boot / init sequence independent of system configuration. Avoid early optimization.
Reproducible build
libraries / ar
With libraries produced with ar, use option D to produce deterministic build.
ar rcsD mylib.a foo.o bar.o
Alternatively one can run ranlib in deterministic mode:
ranlib -D mylib.a
I also made a custom python script ardee.py (that also works on libraries produce by ARM toolchain armar, which doesn't have the D flag)
ardee.py mylib.a
Calendars
Use ICU libraries that deal with all subtleties!