CMake with multiple targets

[anton-seaice]

Just incase we want this one day

CMake for multiple exes

cmake -S . -B build -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_C_COMPILER="mpicc" -DCMAKE_Fortran_COMPILER="mpifort"  -DCICE_IO="NetCDF" -DCMAKE_PREFIX_PATH="${INSTALL_DIR}" -DCICE_DRIVER="access" -DCICE_NXGLOB="360;360" -DCICE_NYGLOB="300;300" -DCICE_BLCKX="15;30" -DCICE_BLCKY="300;150" -DCICE_MXBLCKS="1;1"
cmake --build build -j 4
cmake --install build --prefix=${BUILD_TYPE}

[anton-seaice]

related to #76