install gfortran with homebrew

.github/workflows/github_actions.yml

@@ -61,14 +61,6 @@ jobs:
             config_opts: --enable-i4 --without-blas --enable-cxx --disable-f77
             f77: gfortran
             cc: gcc
-          - os: macos-13
-            experimental: true
-            mpi_impl: mpich
-            armci_network: mpi-pr
-            f77: ifort
-            cc: icc
-            config_opts: LIBS=-lifcore
-            oneapi: /Users/runner/apps/oneapi
           - os: ubuntu-22.04
             experimental: true 
             mpi_impl: mpich
@@ -83,14 +75,14 @@ jobs:
             config_opts: "--disable-f77 --enable-cxx"
             f77: gfortran-10
             cc: gcc-10
-          - os: macos-13
+          - os: macos-15
             experimental: true 
             mpi_impl: mpich
             armci_network: mpi-ts
             config_opts: "--disable-static --enable-shared"
             f77: gfortran-13
             cc: clang
-          - os: macos-13
+          - os: macos-15
             experimental: true
             use_cmake: "Y"
             mpi_impl: mpich
@@ -181,6 +173,15 @@ jobs:
           macos*)
           brew update
           brew install coreutils automake || true
+          if [[ "$F77" =~ gfortran-[0-9][0-9] ]] || [[ "$CC" =~ gcc-[0-9][0-9] ]]; then
+          if [[ "$CC" =~ gcc-[0-9][0-9] ]]; then
+          version=$(echo "$CC" | cut -d - -f 2 )
+          fi
+          if [[ "$F77" =~ gfortran-[0-9][0-9] ]]; then
+          version=$(echo "$F77" | cut -d - -f 2 )
+          fi
+          brew reinstall gcc@${version}
+          fi
           ;;
           esac
           if [[ "$F77" == "ifort" ]] || [[ "$CC" == "icc" ]] || [[ "$CC" == "icx" ]]; then ./travis/install-intel.sh; source ${{ matrix.oneapi }}/setvars.sh --force;  fi

travis/install-intel.sh

@@ -59,6 +59,9 @@ case "$os" in
 	my_id=`id -u`
 	sudo chown -R $my_id /opt/intel
 	sudo chgrp -R $my_gr /opt/intel
+	if [[ "$MPI_IMPL" == "mpich" ]]; then
+	    brew install hwloc
+	fi
         ;;
     Linux)
 	export APT_KEY_DONT_WARN_ON_DANGEROUS_USAGE=1

travis/install-mpi.sh

@@ -21,11 +21,18 @@ if [[ -z "${F77}" ]]; then
     F77="${FC}"
 fi
 
-if [ "$F77" == "gfortran" ] && [ "$os" == "Darwin" ]; then
-    if [[ ! -x "$(command -v gfortran)" ]]; then
-	echo gfortran undefined
-	echo symbolic link gfortran-12
-	ln -sf /usr/local/bin/gfortran-12 /usr/local/bin/gfortran
+if [ "$os" == "Darwin" ]; then
+    if [[ ! -x "$(command -v ${FC})" ]]; then
+	if [[ "${FC}" == *"-"* ]]; then
+	    gccver=$(echo ${FC} | cut -d - -f 2)
+	    brew install gcc@"${gccver}"
+	elif [[ "${FC}" == "gfortran" ]]; then
+	    brew reinstall gcc
+	else
+	    echo "cannot install ${FC}"
+	    exit 10
+	fi
+	${FC} --version
     fi
 fi