#----------------------------------*-sh-*--------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     |
#   \\  /    A nd           | www.openfoam.com
#    \\/     M anipulation  |
#------------------------------------------------------------------------------
#     Copyright (C) 2011-2016 OpenFOAM Foundation
#     Copyright (C) 2016-2020 OpenCFD Ltd.
#------------------------------------------------------------------------------
# License
#     This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
#
# File
#     etc/config.sh/compiler
#     - sourced by OpenFOAM-*/etc/config.sh/settings
#
# Description
#     Setup for custom compiler versions for OpenFOAM
#     Per-compiler overrides in "compiler-$WM_COMPILER" files
#
# Note
#     The default values for gcc/clang are not a recommendation,
#     but typically correspond to the minimum usable version.
#
#------------------------------------------------------------------------------

case "$WM_COMPILER_TYPE" in
ThirdParty)
    # Default versions (CLANG, GCC, GMP, MPFR, MPC) - override as necessary

    default_clang_version=llvm-3.7.1
    default_gcc_version=gcc-4.8.5

    default_gmp_version=gmp-system
    default_mpfr_version=mpfr-system
    default_mpc_version=mpc-system

    gmp_version="$default_gmp_version"
    mpfr_version="$default_mpfr_version"
    mpc_version="$default_mpc_version"

    # Clear any old values
    unset gcc_version clang_version

    case "$WM_COMPILER" in
    Gcc)    gcc_version="$default_gcc_version" ;;
    Gcc102*) gcc_version=gcc-10.2.0 ;;
    Gcc101*) gcc_version=gcc-10.1.0 ;;
    Gcc93*) gcc_version=gcc-9.3.0 ;;
    Gcc92*) gcc_version=gcc-9.2.0 ;;
    Gcc91*) gcc_version=gcc-9.1.0 ;;
    Gcc84*) gcc_version=gcc-8.4.0 ;;
    Gcc83*) gcc_version=gcc-8.3.0 ;;
    Gcc82*) gcc_version=gcc-8.2.0 ;;
    Gcc81*) gcc_version=gcc-8.1.0 ;;
    Gcc75*) gcc_version=gcc-7.5.0 ;;
    Gcc74*) gcc_version=gcc-7.4.0 ;;
    Gcc73*) gcc_version=gcc-7.3.0 ;;
    Gcc72*) gcc_version=gcc-7.2.0 ;;
    Gcc71*) gcc_version=gcc-7.1.0 ;;
    # Older GCC series that receive no further bugfixes
    Gcc65*) gcc_version=gcc-6.5.0 ;;
    Gcc64*) gcc_version=gcc-6.4.0 ;;
    Gcc63*) gcc_version=gcc-6.3.0 ;;
    Gcc62*) gcc_version=gcc-6.2.0 ;;
    Gcc61*) gcc_version=gcc-6.1.0 ;;
    Gcc55*) gcc_version=gcc-5.5.0 ;;
    Gcc54*) gcc_version=gcc-5.4.0 ;;
    Gcc53*) gcc_version=gcc-5.3.0 ;;
    Gcc52*) gcc_version=gcc-5.2.0 ;;
    Gcc51*) gcc_version=gcc-5.1.0 ;;
    Gcc49*) gcc_version=gcc-4.9.4 ;;
    Gcc48*) gcc_version=gcc-4.8.5 ;;

    Clang)    clang_version="$default_clang_version" ;;
    Clang110*) clang_version=llvm-11.0.0 ;;
    Clang100*) clang_version=llvm-10.0.1 ;;
    Clang90*) clang_version=llvm-9.0.1 ;;
    Clang80*) clang_version=llvm-8.0.1 ;;
    Clang71*) clang_version=llvm-7.1.0 ;;
    Clang70*) clang_version=llvm-7.0.1 ;;
    Clang60*) clang_version=llvm-6.0.1 ;;
    Clang50*) clang_version=llvm-5.0.2 ;;
    Clang40*) clang_version=llvm-4.0.1 ;;
    Clang39*) clang_version=llvm-3.9.1 ;;
    Clang38*) clang_version=llvm-3.8.1 ;;
    Clang37*) clang_version=llvm-3.7.1 ;;

    esac

    _foamEtc -config prefs.compiler             ## Optional adjustments
    _foamEtc -config "compiler-$WM_COMPILER"    ## Per-compiler override

    # Trap errors
    if [ -z "$gcc_version$clang_version" ]
    then
        /bin/cat << UNKNOWN_COMPILER 1>&2
===============================================================================
Warning in $WM_PROJECT_DIR/etc/config.sh/compiler:
Unknown ThirdParty compiler type/version - '$WM_COMPILER'

Please check your settings
===============================================================================
UNKNOWN_COMPILER
    fi
    ;;
esac


unset default_gcc_version default_clang_version
unset default_gmp_version default_mpfr_version default_mpc_version

#------------------------------------------------------------------------------