FindBLAS can't find the threaded version of AMD BLIS because AMD renamed it to `libblis-mt.so`. Original BLIS: ```bash $ spack load blis@0.9.0 threads=openmp $ cmake .. -- The C compiler identification is GNU 8.5.0 -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Check for working C compiler: /usr/bin/cc - skipped -- Detecting C compile features -- Detecting C compile features - done -- Looking for sgemm_ -- Looking for sgemm_ - not found -- Looking for pthread.h -- Looking for pthread.h - found -- Performing Test CMAKE_HAVE_LIBC_PTHREAD -- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed -- Looking for pthread_create in pthreads -- Looking for pthread_create in pthreads - not found -- Looking for pthread_create in pthread -- Looking for pthread_create in pthread - found -- Found Threads: TRUE -- Looking for sgemm_ -- Looking for sgemm_ - found -- Found BLAS: /home/bc/spack/opt/spack/linux-rocky8-zen2/gcc-11.2.0/blis-0.9.0-dqr5nqarqk2cmec33i6mc4c4l7mgf5li/lib/libblis.so -- Configuring done -- Generating done -- Build files have been written to: /home/bc/experimentos/cmake-blis/openmp $ ls -l `spack location -i blis@0.9.0 threads=openmp`/lib total 1237 -rw-r--r--. 1 bc bc 3960040 Jun 8 17:50 libblis.a lrwxrwxrwx. 1 bc bc 16 Jun 8 17:50 libblis.so -> libblis.so.4.0.0 lrwxrwxrwx. 1 bc bc 16 Jun 8 17:50 libblis.so.4 -> libblis.so.4.0.0 -rwxr-xr-x. 1 bc bc 2709352 Jun 8 17:50 libblis.so.4.0.0 ``` AMD BLIS: ```bash $ spack load amdblis@3.1 threads=openmp $ cmake .. -- The C compiler identification is GNU 8.5.0 -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Check for working C compiler: /usr/bin/cc - skipped -- Detecting C compile features -- Detecting C compile features - done -- Looking for sgemm_ -- Looking for sgemm_ - not found -- Looking for pthread.h -- Looking for pthread.h - found -- Performing Test CMAKE_HAVE_LIBC_PTHREAD -- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed -- Looking for pthread_create in pthreads -- Looking for pthread_create in pthreads - not found -- Looking for pthread_create in pthread -- Looking for pthread_create in pthread - found -- Found Threads: TRUE -- Could NOT find BLAS (missing: BLAS_LIBRARIES) -- Configuring done -- Generating done -- Build files have been written to: /home/bc/experimentos/cmake-blis/amd $ ls -l `spack location -i amdblis@3.1 threads=openmp`/lib total 3 -rw-r--r--. 1 bc bc 6538252 Jun 8 18:11 libblis-mt.a lrwxrwxrwx. 1 bc bc 19 Jun 8 18:11 libblis-mt.so -> libblis-mt.so.3.1.0 lrwxrwxrwx. 1 bc bc 19 Jun 8 18:11 libblis-mt.so.3 -> libblis-mt.so.3.1.0 -rwxr-xr-x. 1 bc bc 4909176 Jun 8 18:11 libblis-mt.so.3.1.0 ```