Added tests for forwards and backwards disk compatibility

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This is a bit tricky since we need two different version of littlefs in
order to test for most compatibility concerns.

Fortunately we already have scripts/changeprefix.py for version-specific
symbols, so it's not that hard to link in the previous version of
littlefs in CI as a separate set of symbols, "lfsp_" in this case.

So that we can at least test the compatibility tests locally, I've added
an ifdef against the expected define "LFSP" to define a set of aliases
mapping "lfsp_" symbols to "lfs_" symbols. This is manual at the moment,
and a bit hacky, but gets the job done.

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Also changed BUILDDIR creation to derive subdirectories from a few
Makefile variables. This makes the subdirectories less manual and more
flexible for things like LFSP. Note this wasn't possible until BUILDDIR
was changed to default to "." when omitted.

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This commit is contained in:

Christopher Haster

2023-04-20 02:13:58 -05:00

parent f0cc1db793

commit 116332d3f7

2 changed files with 1294 additions and 11 deletions

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