Prefer OpenBLAS over other non-handled vendors

awslabs · Nov 14, 2024 · b888d6d · b888d6d
1 parent d4cd5c9
commit b888d6d
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/.github/workflows/build-and-test-macos.yml b/.github/workflows/build-and-test-macos.yml
@@ -84,7 +84,7 @@ jobs:
             export FC=gfortran-12
           fi
           if [[ "${{ matrix.math-libs }}" == 'openblas' ]]; then
-            export OPENBLAS_DIR=/usr/local/opt/openblas
+            export OPENBLAS_DIR=/opt/homebrew/opt/openblas
           fi
           export NUM_PROC_BUILD=$(nproc 2> /dev/null || sysctl -n hw.ncpu)
           if [[ "$NUM_PROC_BUILD" -gt "$NUM_PROC_BUILD_MAX" ]]; then

diff --git a/cmake/ExternalBLASLAPACK.cmake b/cmake/ExternalBLASLAPACK.cmake
@@ -163,6 +163,13 @@ else()
   else()
     set(OPENBLAS_DIR)
   endif()
+
+  if(NOT OPENBLAS_DIR STREQUAL "")
+    # If OpenBLAS was found set the vendor to avoid conflict with Accelerate on Darwin
+    set(BLA_VENDOR "OpenBLAS")
+    message(STATUS "Using BLAS/LAPACK from OpenBLAS")
+  endif()
+
   list(APPEND CMAKE_PREFIX_PATH ${OPENBLAS_DIR})
   find_package(BLAS REQUIRED)
   find_package(LAPACK REQUIRED)