CHG: Homebrew copy of gcc for older versions of gcc does not contain gfortran binary now

Author: TidbitSoftware

jenkins/mac-intel-basic

@@ -11,7 +11,7 @@ ISSM_CONFIG='\
 	--enable-debugging \
 	--with-numthreads=4 \
 	--with-matlab-dir=${MATLAB_PATH} \
-	--with-fortran-lib="-L/usr/local/Cellar/gcc@13/13.3.0/lib/gcc/13 -lgfortran" \
+	--with-fortran-lib="-L/usr/local/gfortran/lib -lgfortran" \
 	--with-mpi-include=${ISSM_DIR}/externalpackages/petsc/install/include \
 	--with-mpi-libflags="-L${ISSM_DIR}/externalpackages/petsc/install/lib -lmpi -lmpicxx -lmpifort" \
 	--with-blas-lapack-dir=${ISSM_DIR}/externalpackages/petsc/install \

jenkins/mac-intel-binaries-matlab

@@ -1,6 +1,6 @@
 MATLAB_PATH="/Applications/MATLAB_R2023b.app"
-LIBGFORTRAN_PATH="/usr/local/Cellar/gcc@13/13.3.0/lib/gcc/13"
-LIBGCC_PATH="${LIBGFORTRAN_PATH}/gcc/x86_64-apple-darwin21/13"
+LIBGFORTRAN_PATH="/usr/local/gfortran/lib"
+LIBGCC_PATH="${LIBGFORTRAN_PATH}/gcc/x86_64-apple-darwin21/12.1.0"
 
 #--------------------#
 # ISSM Configuration #

jenkins/mac-intel-binaries-python-3

@@ -1,6 +1,6 @@
 MATLAB_PATH="/Applications/MATLAB_R2023b.app"
-LIBGFORTRAN_PATH="/usr/local/Cellar/gcc@13/13.3.0/lib/gcc/13"
-LIBGCC_PATH="${LIBGFORTRAN_PATH}/gcc/x86_64-apple-darwin21/13"
+LIBGFORTRAN_PATH="/usr/local/gfortran/lib"
+LIBGCC_PATH="${LIBGFORTRAN_PATH}/gcc/x86_64-apple-darwin21/12.1.0"
 
 #--------------------#
 # ISSM Configuration #

jenkins/mac-intel-dakota

@@ -17,7 +17,7 @@ ISSM_CONFIG='\
 	--with-numthreads=4 \
 	--with-matlab-dir=${MATLAB_PATH} \
 	--with-python="${HOME}/.venv/issm/bin/python" \
-	--with-fortran-lib="-L/usr/local/Cellar/gcc@13/13.3.0/lib/gcc/13 -lgfortran" \
+	--with-fortran-lib="-L/usr/local/gfortran/lib -lgfortran" \
 	--with-mpi-include=${ISSM_DIR}/externalpackages/petsc/install/include \
 	--with-mpi-libflags="-L${ISSM_DIR}/externalpackages/petsc/install/lib -lmpi -lmpicxx -lmpifort" \
 	--with-blas-lapack-dir=${ISSM_DIR}/externalpackages/petsc/install \

jenkins/mac-intel-examples

@@ -19,7 +19,7 @@ ISSM_CONFIG='\
 	--enable-debugging \
 	--with-numthreads=4 \
 	--with-matlab-dir=${MATLAB_PATH} \
-	--with-fortran-lib="-L/usr/local/Cellar/gcc@13/13.3.0/lib/gcc/13 -lgfortran" \
+	--with-fortran-lib="-L/usr/local/gfortran/lib -lgfortran" \
 	--with-mpi-include=${ISSM_DIR}/externalpackages/petsc/install/include \
 	--with-mpi-libflags="-L${ISSM_DIR}/externalpackages/petsc/install/lib -lmpi -lmpicxx -lmpifort" \
 	--with-blas-lapack-dir=${ISSM_DIR}/externalpackages/petsc/install \

jenkins/mac-intel-full

@@ -21,7 +21,7 @@ ISSM_CONFIG='\
 	--with-numthreads=4 \
 	--with-matlab-dir=${MATLAB_PATH} \
 	--with-python="${HOME}/.venv/issm/bin/python" \
-	--with-fortran-lib="-L/usr/local/Cellar/gcc@13/13.3.0/lib/gcc/13 -lgfortran" \
+	--with-fortran-lib="-L/usr/local/gfortran/lib -lgfortran" \
 	--with-mpi-include="${ISSM_DIR}/externalpackages/petsc/install/include" \
 	--with-mpi-libflags="-L${ISSM_DIR}/externalpackages/petsc/install/lib -lmpi -lmpicxx -lmpifort" \
 	--with-blas-lapack-dir="${ISSM_DIR}/externalpackages/petsc/install" \

jenkins/mac-intel-solid_earth

@@ -20,7 +20,7 @@ ISSM_CONFIG='\
 	--with-numthreads=4 \
 	--with-matlab-dir=${MATLAB_PATH} \
 	--with-python="${HOME}/.venv/issm/bin/python" \
-	--with-fortran-lib="-L/usr/local/Cellar/gcc@13/13.3.0/lib/gcc/13 -lgfortran" \
+	--with-fortran-lib="-L/usr/local/gfortran/lib -lgfortran" \
 	--with-mpi-include=${ISSM_DIR}/externalpackages/petsc/install/include \
 	--with-mpi-libflags="-L${ISSM_DIR}/externalpackages/petsc/install/lib -lmpi -lmpicxx -lmpifort" \
 	--with-blas-lapack-dir=${ISSM_DIR}/externalpackages/petsc/install \