File _service:extract_file:OHPC_setup_compiler of Package ohpc-filesystem

#!/bin/bash
# OpenHPC build script/utilities
#
#-----------------------------------------------------------------------
# Licensed under the Apache License, Version 2.0 (the "License"); you
# may not use this file except in compliance with the License. You may
# obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied. See the License for the specific language governing
# permissions and limitations under the License.
#-----------------------------------------------------------------------
# Sets up build environment for supported compiler families
#-----------------------------------------------------------------------

if [ "$#" = "1" ]; then
	OHPC_COMPILER_FAMILY=$1
fi

if [ -z "${OHPC_COMPILER_FAMILY}" ]; then
	echo "OHPC_COMPILER_FAMILY not defined"
	exit 1
fi

export toolset=gcc
if [ "${OHPC_COMPILER_FAMILY}" = "gnu" ]; then
	export CC=gcc
	export CXX=g++
	export FC=gfortran
	export F77=gfortran
	module purge
	module load gnu
elif [ "${OHPC_COMPILER_FAMILY}" = "gnu12" ]; then
	export CC=gcc
	export CXX=g++
	export FC=gfortran
	export F77=gfortran
	module purge
	module load gnu12
elif [ "${OHPC_COMPILER_FAMILY}" = "gnu13" ]; then
	export CC=gcc
	export CXX=g++
	export FC=gfortran
	export F77=gfortran
	module purge
	module load gnu13
elif [ "${OHPC_COMPILER_FAMILY}" = "gnu14" ]; then
	export CC=gcc
	export CXX=g++
	export FC=gfortran
	export F77=gfortran
	module purge
	module load gnu14
elif [ "${OHPC_COMPILER_FAMILY}" = "gnu15" ]; then
	export CC=gcc
	export CXX=g++
	export FC=gfortran
	export F77=gfortran
	module purge
	module load gnu15
elif [ "${OHPC_COMPILER_FAMILY}" = "gnu9" ]; then
	export CC=gcc
	export CXX=g++
	export FC=gfortran
	export F77=gfortran
	module purge
	module load gnu9
elif [ "${OHPC_COMPILER_FAMILY}" = "intel" ]; then
	export toolset=intel
	export CC=icx
	export CXX=icpx
	export FC=ifx
	export F77=ifx
	module purge
	module load intel
elif [ "${OHPC_COMPILER_FAMILY}" = "arm1" ]; then
	export toolset=arm
	export CC=armclang
	export CXX=armclang++
	export FC=armflang
	export F77=armflang
	module purge
	module load arm1
elif [ "${OHPC_COMPILER_FAMILY}" = "llvm" ]; then
	export toolset=clang
	export CC=clang
	export CXX=clang++
	export FC=flang
	export F77=flang
	module purge
	module load llvm
else
	echo "Unsupported OHPC_COMPILER_FAMILY -> ${OHPC_COMPILER_FAMILY}"
	exit 1
fi

echo " "
echo "--"
echo "OpenHPC compiler/build flags":
echo "--> CC       = ${CC}"
echo "--> CXX      = ${CXX}"
echo "--> FC       = ${FC}"
echo "--> F77      = ${F77}"
echo " "

#-----------------------------
# Set default compiler flags
# and check for user override
#-----------------------------

arch=$(uname -m)

if [ "${arch}" == "x86_64" ]; then
	ARCH_OPTS="-m64"
	if [ -e /etc/os-release ]; then
		# shellcheck disable=SC1091
		. /etc/os-release
		if [ -n "${PLATFORM_ID}" ] && [ "${PLATFORM_ID}" == "platform:el9" ]; then
			# Only RHEL 9 has switched to the optimization baseline 'x86-64-v2'
			ARCH_OPTS="${ARCH_OPTS} -march=x86-64-v2"
		fi
	fi
fi

if [ "${toolset}" == "gcc" ]; then
	DEFAULT_OPTS="-O3 -g -pipe -Wall -fexceptions -fstack-protector-strong -grecord-gcc-switches -mtune=generic ${ARCH_OPTS}"
elif [ "${toolset}" == "intel" ]; then
	DEFAULT_OPTS="-O3 -g -fexceptions -fstack-protector-strong -mtune=generic ${ARCH_OPTS}"
elif [ "${toolset}" == "arm" ]; then
	DEFAULT_OPTS="-O3 -g -Wall -fexceptions -fstack-protector-strong -mtune=generic"
fi

if [ -z "${OHPC_CFLAGS}" ]; then
	export CFLAGS=${DEFAULT_OPTS}
else
	export CFLAGS=${OHPC_CFLAGS}
	echo "--> CFLAGS   (user override) = ${CFLAGS}"
fi

if [ -z "${OHPC_CXXFLAGS}" ]; then
	export CXXFLAGS=${DEFAULT_OPTS}
	echo "--> CXXFLAGS = ${CXXFLAGS}"
else
	export CXXFLAGS=${OHPC_CXXFLAGS}
	echo "--> CXXFLAGS (user override) = ${CXXFLAGS}"
fi

if [ -z "${OHPC_FCFLAGS}" ]; then
	export FCFLAGS=${DEFAULT_OPTS}
	echo "--> FCFLAGS  = ${FCFLAGS}"
else
	export FCFLAGS=${OHPC_FCFLAGS}
	echo "--> FCFLAGS  (user override) = ${FCFLAGS}"
fi

if [ -z "${OHPC_F77FLAGS}" ]; then
	export F77FLAGS=${DEFAULT_OPTS}
	echo "--> F77FLAGS = ${F77FLAGS}"
else
	export F77FLAGS=${OHPC_F77FLAGS}
	echo "--> F77FLAGS (user override) = ${F77FLAGS}"
fi

echo "--"
echo " "