CI: Add github workflow using Apple M

.github/workflows/apple_m.yml

@@ -0,0 +1,149 @@
+name: apple m
+
+on: [push, pull_request]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read # to fetch code (actions/checkout)
+
+jobs:
+  build:
+    if: "github.repository == 'OpenMathLib/OpenBLAS'"
+    runs-on: macos-14
+
+    strategy:
+      fail-fast: false
+      matrix:
+        build: [cmake, make]
+        fortran: [gfortran]
+        openmp: [0, 1]
+        ilp64: [0, 1]
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Print system information
+        run: |
+          if [ "$RUNNER_OS" == "Linux" ]; then
+            cat /proc/cpuinfo
+          elif [ "$RUNNER_OS" == "macOS" ]; then
+            sysctl -a | grep machdep.cpu
+          else
+            echo "::error::$RUNNER_OS not supported"
+            exit 1
+          fi
+
+      - name: Install Dependencies
+        run: |
+          if [ "$RUNNER_OS" == "Linux" ]; then
+            sudo apt-get install -y gfortran cmake ccache libtinfo5
+          elif [ "$RUNNER_OS" == "macOS" ]; then
+            # It looks like "gfortran" isn't working correctly unless "gcc" is re-installed.
+            brew reinstall gcc
+            brew install coreutils cmake ccache
+            brew install llvm
+          else
+            echo "::error::$RUNNER_OS not supported"
+            exit 1
+          fi
+
+      - name: Compilation cache
+        uses: actions/cache@v3
+        with:
+          path: ~/.ccache
+          # We include the commit sha in the cache key, as new cache entries are
+          # only created if there is no existing entry for the key yet.
+          # GNU make and cmake call the compilers differently. It looks like
+          # that causes the cache to mismatch. Keep the ccache for both build
+          # tools separate to avoid polluting each other.
+          key: ccache-${{ runner.os }}-${{ matrix.build }}-${{ matrix.fortran }}-${{ github.ref }}-${{ github.sha }}
+          # Restore a matching ccache cache entry. Prefer same branch and same Fortran compiler.
+          restore-keys: |
+            ccache-${{ runner.os }}-${{ matrix.build }}-${{matrix.fortran }}-${{ github.ref }}
+            ccache-${{ runner.os }}-${{ matrix.build }}-${{matrix.fortran }}
+            ccache-${{ runner.os }}-${{ matrix.build }}
+
+      - name: Configure ccache
+        run: |
+          if [ "${{ matrix.build }}" = "make" ]; then
+            # Add ccache to path
+            if [ "$RUNNER_OS" = "Linux" ]; then
+              echo "/usr/lib/ccache" >> $GITHUB_PATH
+            elif [ "$RUNNER_OS" = "macOS" ]; then
+              echo "$(brew --prefix)/opt/ccache/libexec" >> $GITHUB_PATH
+              echo "/opt/homebrew/opt/llvm/bin" >>$GITHUB_PATH
+              echo "" >>$GITHUB_PATH
+            else
+              echo "::error::$RUNNER_OS not supported"
+              exit 1
+            fi
+          fi
+          # Limit the maximum size and switch on compression to avoid exceeding the total disk or cache quota (5 GB).
+          test -d ~/.ccache || mkdir -p ~/.ccache
+          echo "max_size = 300M" > ~/.ccache/ccache.conf
+          echo "compression = true" >> ~/.ccache/ccache.conf
+          ccache -s
+
+      - name: Build OpenBLAS
+        run: |
+          export LDFLAGS="-L/opt/homebrew/opt/llvm/lib"
+          export CPPFLAGS="-I/opt/homebrew/opt/llvm/include"
+          export CC="/opt/homebrew/opt/llvm/bin/clang"
+          case "${{ matrix.build }}" in
+            "make")
+              make -j$(nproc) DYNAMIC_ARCH=1 USE_OPENMP=${{matrix.openmp}} INTERFACE64=${{matrix.ilp64}} FC="ccache ${{ matrix.fortran }}"
+              ;;
+            "cmake")
+              export LDFLAGS="$LDFLAGS -Wl,-ld_classic"
+              mkdir build && cd build
+              cmake -DDYNAMIC_ARCH=1 \
+                    -DUSE_OPENMP=${{matrix.openmp}} \
+                    -DINTERFACE64=${{matrix.ilp64}} \
+                    -DNOFORTRAN=0 \
+                    -DBUILD_WITHOUT_LAPACK=0 \
+                    -DCMAKE_VERBOSE_MAKEFILE=ON \
+                    -DCMAKE_BUILD_TYPE=Release \
+                    -DCMAKE_Fortran_COMPILER=${{ matrix.fortran }} \
+                    -DCMAKE_C_COMPILER_LAUNCHER=ccache \
+                    -DCMAKE_Fortran_COMPILER_LAUNCHER=ccache \
+                    ..
+              cmake --build .
+              ;;
+            *)
+              echo "::error::Configuration not supported"
+              exit 1
+              ;;
+          esac
+
+      - name: Show ccache status
+        continue-on-error: true
+        run: ccache -s
+
+      - name: Run tests
+        timeout-minutes: 60
+        run: |
+          case "${{ matrix.build }}" in
+            "make")
+              MAKE_FLAGS='DYNAMIC_ARCH=1 USE_OPENMP=0'
+              echo "::group::Tests in 'test' directory"
+              make -C test $MAKE_FLAGS FC="ccache ${{ matrix.fortran }}"
+              echo "::endgroup::"
+              echo "::group::Tests in 'ctest' directory"
+              make -C ctest $MAKE_FLAGS FC="ccache ${{ matrix.fortran }}"
+              echo "::endgroup::"
+              echo "::group::Tests in 'utest' directory"
+              make -C utest $MAKE_FLAGS FC="ccache ${{ matrix.fortran }}"
+              echo "::endgroup::"
+              ;;
+            "cmake")
+              cd build && ctest
+              ;;
+            *)
+              echo "::error::Configuration not supported"
+              exit 1
+              ;;
+          esac

cmake/f_check.cmake

@@ -64,6 +64,7 @@ else ()
     "#define NEEDBUNDERSCORE 1\n")
 endif()
 
+if (CMAKE_Fortran_COMPILER)
 get_filename_component(F_COMPILER ${CMAKE_Fortran_COMPILER} NAME_WE)
 string(TOUPPER ${F_COMPILER} F_COMPILER)
-
+endif()

cmake/fc.cmake

@@ -6,9 +6,6 @@
 if (${F_COMPILER} STREQUAL "FLANG" AND NOT CMAKE_Fortran_COMPILER_ID STREQUAL "LLVMFlang")
   # This is for classic Flang. LLVM Flang is handled with gfortran below.
   set(CCOMMON_OPT "${CCOMMON_OPT} -DF_INTERFACE_FLANG")
-  if (BINARY64 AND INTERFACE64)
-    set(FCOMMON_OPT "${FCOMMON_OPT} -i8")
-  endif ()
   if (USE_OPENMP)
     set(FCOMMON_OPT "${FCOMMON_OPT} -fopenmp")
   endif ()
@@ -50,11 +47,17 @@ if (${F_COMPILER} STREQUAL "GFORTRAN" OR ${F_COMPILER} STREQUAL "F95" OR CMAKE_F
       # Don't include -lgfortran, when NO_LAPACK=1 or lsbcc
       set(EXTRALIB "${EXTRALIB} -lgfortran")
     endif ()
+    if (INTERFACE64)
+      set(FCOMMON_OPT "${FCOMMON_OPT} -fdefault-integer-8")
+    endif ()
   endif ()
   if (NO_BINARY_MODE)
     if (MIPS64)
       if (BINARY64)
         set(FCOMMON_OPT "${FCOMMON_OPT} -mabi=64")
+        if (INTERFACE64)
+          set(FCOMMON_OPT "${FCOMMON_OPT} -fdefault-integer-8")
+	endif ()
       else ()
         set(FCOMMON_OPT "${FCOMMON_OPT} -mabi=n32")
       endif ()
@@ -83,6 +86,9 @@ if (${F_COMPILER} STREQUAL "GFORTRAN" OR ${F_COMPILER} STREQUAL "F95" OR CMAKE_F
         endif ()
       endif ()
     endif ()
+    if (ARM64 AND INTERFACE64)
+          set(FCOMMON_OPT "${FCOMMON_OPT} -fdefault-integer-8")
+    endif ()
   else ()
     if (BINARY64)
       set(FCOMMON_OPT "${FCOMMON_OPT} -m64")

ctest/CMakeLists.txt

@@ -40,6 +40,10 @@ else()
     c_${float_char}blas1.c)
 endif()
   target_link_libraries(x${float_char}cblat1 ${OpenBLAS_LIBNAME})
+  if (USE_OPENMP AND (${CMAKE_Fortran_COMPILER_ID} STREQUAL GNU) AND (${CMAKE_C_COMPILER_ID} STREQUAL Clang))
+        string(REGEX REPLACE "-fopenmp" "" CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS}")
+        target_link_libraries(x${float_char}cblat1 omp pthread)
+  endif()
   if(${CMAKE_SYSTEM_NAME} MATCHES "Linux" OR ${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD" OR ${CMAKE_SYSTEM_NAME} MATCHES "QNX")
       target_link_libraries(x${float_char}cblat1 m)
   endif()
@@ -65,6 +69,10 @@ else()
     constant.c)
 endif()
   target_link_libraries(x${float_char}cblat2 ${OpenBLAS_LIBNAME})
+  if (USE_OPENMP AND (${CMAKE_Fortran_COMPILER_ID} STREQUAL GNU) AND (${CMAKE_C_COMPILER_ID} STREQUAL Clang))
+        string(REGEX REPLACE "-fopenmp" "" CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS}")
+        target_link_libraries(x${float_char}cblat2 omp pthread)
+  endif()
   if(${CMAKE_SYSTEM_NAME} MATCHES "Linux" OR ${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD" OR ${CMAKE_SYSTEM_NAME} MATCHES "QNX")
     target_link_libraries(x${float_char}cblat2 m)
   endif()
@@ -90,6 +98,10 @@ else()
     constant.c)
 endif()
   target_link_libraries(x${float_char}cblat3 ${OpenBLAS_LIBNAME})
+  if (USE_OPENMP AND (${CMAKE_Fortran_COMPILER_ID} STREQUAL GNU) AND (${CMAKE_C_COMPILER_ID} STREQUAL Clang))
+        string(REGEX REPLACE "-fopenmp" "" CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS}")
+        target_link_libraries(x${float_char}cblat3 omp pthread)
+  endif()
   if(${CMAKE_SYSTEM_NAME} MATCHES "Linux" OR ${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD" OR ${CMAKE_SYSTEM_NAME} MATCHES "QNX")
     target_link_libraries(x${float_char}cblat3 m)
   endif()

lapack-netlib/TESTING/EIG/CMakeLists.txt

@@ -107,6 +107,10 @@ set(ZDMDEIGTST zchkdmd.f90)
 macro(add_eig_executable name)
   add_executable(${name} ${ARGN})
   target_link_libraries(${name} openblas${SUFFIX64_UNDERSCORE})
+if (USE_OPENMP AND (${CMAKE_Fortran_COMPILER_ID} STREQUAL GNU) AND (${CMAKE_C_COMPILER_ID} STREQUAL Clang))
+	string(REGEX REPLACE "-fopenmp" "" CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS}")
+target_link_libraries(${name} omp pthread)
+endif()
 #${TMGLIB} ../${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
 endmacro()
 

lapack-netlib/TESTING/LIN/CMakeLists.txt

@@ -240,6 +240,10 @@ set(ZLINTSTRFP zchkrfp.f zdrvrfp.f zdrvrf1.f zdrvrf2.f zdrvrf3.f zdrvrf4.f zerrr
 macro(add_lin_executable name)
   add_executable(${name} ${ARGN})
   target_link_libraries(${name} openblas${SUFFIX64_UNDERSCORE})
+  if (USE_OPENMP AND (${CMAKE_Fortran_COMPILER_ID} STREQUAL GNU) AND (${CMAKE_C_COMPILER_ID} STREQUAL Clang))
+	string(REGEX REPLACE "-fopenmp" "" CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS}")
+        target_link_libraries(${name} omp pthread)
+  endif()
 #${TMGLIB} ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
 endmacro()
 

test/CMakeLists.txt

@@ -21,10 +21,14 @@ endif()
 if (BUILD_COMPLEX16)
 	list (APPEND OpenBLAS_Tests zblat1 zblat2 zblat3)
 endif()
-
+message (STATUS CCOMP ${CMAKE_C_COMPILER_ID} FCOMP ${CMAKE_Fortran_COMPILER_ID})
 foreach(test_bin ${OpenBLAS_Tests})
 	add_executable(${test_bin} ${test_bin}.f)
 target_link_libraries(${test_bin} ${OpenBLAS_LIBNAME})
+if (USE_OPENMP AND (${CMAKE_Fortran_COMPILER_ID} STREQUAL GNU) AND (${CMAKE_C_COMPILER_ID} STREQUAL Clang))
+	string(REGEX REPLACE "-fopenmp" "" CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS}")
+target_link_libraries(${test_bin} omp pthread)
+endif()
 endforeach()
 
 # $1 exec, $2 input, $3 output_result