gcc-config.sh

: ${SOURCE_ROOT:?} ${INSTALL_ROOT:?} ${OCT_WITH_KOKKOS:?}

if [[ -d "/etc/opt/cray/release/" ]]; then
  export CC=cc
  export CXX=CC
  export CRAYPE_LINK_TYPE=dynamic
  export XTPE_LINK_TYPE=dynamic
  echo "WARNING!!! You should switch to the gnu compiler env (module switch PrgEnv-cray/5.2.82 PrgEnv-gnu)!!!!!!!"
else
  export CC=gcc
  export CXX=g++
  export OCT_CUDA_INTERNAL_COMPILER=""
  export OCT_CUDA_INTERNAL_COMPILER_INITIAL=""
  if [ -z "$OCT_USE_CC_COMPILER" ]
  then
    export CC=${INSTALL_ROOT}/gcc/bin/gcc
    export CXX=${INSTALL_ROOT}/gcc/bin/g++
    export NVCC_WRAPPER_DEFAULT_COMPILER=${CXX}
    export LD_LIBRARY_PATH=${INSTALL_ROOT}/gcc/lib64:${LD_LIBRARY_PATH}
    export OCT_CUDA_INTERNAL_COMPILER=" -ccbin ${INSTALL_ROOT}/gcc/bin "
  fi

  if [ "${OCT_WITH_KOKKOS}" == "ON" ] && [ "${OCT_WITH_CUDA}" == "ON" ]; then 
    export OCT_CMAKE_CXX_COMPILER="$INSTALL_ROOT/kokkos/install/bin/nvcc_wrapper"
    export OCT_CMAKE_CXX_COMPILER_INITIAL="$SOURCE_ROOT/kokkos/bin/nvcc_wrapper"
  else
    export OCT_CMAKE_CXX_COMPILER="$CXX"
    export OCT_CMAKE_CXX_COMPILER_INITIAL="$CXX"
  fi
fi


export CFLAGS=-fPIC
export LDCXXFLAGS="${LDFLAGS} -std=c++17 "

case $(uname -i) in
    ppc64le)
        export CXXFLAGS="-fPIC -mcpu=native -mtune=native -ffast-math -std=c++17 "
	export OCT_ARCH_FLAGS="-mcpu=native,-mtune=native"
        export LIB_DIR_NAME=lib64
        export LIBHPX=lib64
        ;;
    x86_64)
        export CXXFLAGS="-fPIC -march=native -ffast-math -std=c++17 "
	export OCT_ARCH_FLAGS="-march=native"
        export LIBHPX=lib
        ;;
    *)
        echo 'Unknown architecture encountered.' 2>&1
        exit 1
        ;;
esac