Fix MacOS build and add MacOS CI#35
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December 9, 2025 10:15
MacOS build was not working likely because there Criterion was not on the default path and CMake was not propagating the path it found
CMake has been specifying openblas - this has been changed to BLAS::BLAS which should work with any BLAS
Linking against BLAS has worked on Linux, but MacOS BLAS seems to be structured differently, requiring explicit linking against LAPACK
The Apple Accelerate library is likely to need more work, so for now we'll only test with OpenBLAS
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Fixes the MacOS CMake build by:
IMPORTED_TARGETto propagate PkgConfig pathsBLAS::BLASinstead of specifyingopenblas)Additionally, adds a MacOS CI pipeline that runs the tests.
However, one thing to note is that this currently doesn't work with Apple's own BLAS library (Accelerate), probably because it doesn't export Fortran-style symbols for some LAPACK routines (
dgemqrt_,dgeqrt_) - fixing this will likely require more substantial efforts. For now, OpenBLAS seems to work just fine. @haldaas, can you please check that this branch works on your mac?