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@eddelbuettel
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The crc32c code is used under an (eoponymous) R package I look after. I was just informed by the maintainer of the CRAN repo for R that it no longer builds under the release candidate 4 of cmake 4.0.0.

I was able to a) verify this and b) establish that the recommended course of action form switching from an (outdated for cmake 4) minimum version to the lowest support (3.5) in a min..max format also listing the one tested (here 4.0) works.

The simple one-line change below implements this. I cannot really tell if a minimum of cmake 3.5 (released in 2016) is viable for everyone or not. If you don't think this flies, please just ignore the PR. I will make this change in my [downstream R package to remain buildable at CRAN.

Thanks of course thanks for crc32c!

@maflcko
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maflcko commented Aug 7, 2025

This was fixed in #68 and this pull can be closed?

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2 participants