netcdf-cxx4 (now cmake build) uses different library names than previous autotools build about spack HOT 2 OPEN

I think everything up to and including [email protected] should keep using the old and proven autotools build system!

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I proposed the move to cmake in #42766 because the mixing of autotools and cmake causes problems where cmake would use a system cmake netcdf-c instead of the autotools netcdf-c or vice versa. I had not noticed the discrepancy in library names, but I also don't use hard-coded library names (which, imo, should always be avoided).

I see this is already flagged upstream in Unidata/netcdf-cxx4#113 as of a few years ago. Curious to see what @WardF thinks. But this and pkgconfig compatibility might be good reason to have the complexity of maintaining both buildsystem code paths

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