#!/bin/sh
#------------------------------------------------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     |
#   \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
#    \\/     M anipulation  |
#------------------------------------------------------------------------------
# License
#     This file is part of OpenFOAM.
#
#     OpenFOAM is free software: you can redistribute it and/or modify it
#     under the terms of the GNU General Public License as published by
#     the Free Software Foundation, either version 3 of the License, or
#     (at your option) any later version.
#
#     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
#     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
#     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
#     for more details.
#
#     You should have received a copy of the GNU General Public License
#     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
#
# Script
#     makeGcc
#
# Description
#     Build script for gmp, mpfr and gcc-[4-9].?.?
#
#------------------------------------------------------------------------------

# get default GCC, mpfr, gmp and mpc versions
. $WM_PROJECT_DIR/etc/config.sh/functions
_foamSource $($WM_PROJECT_DIR/bin/foamEtcFile config.sh/compiler)

gmpPACKAGE=${gmp_version:-gmp-5.1.2}
mpfrPACKAGE=${mpfr_version:-mpfr-3.1.2}
mpcPACKAGE=${mpc_version:-mpc-1.0.1}
gccPACKAGE=$gcc_version


#------------------------------------------------------------------------------
# Run from third-party directory only
wmakeCheckPwd "$WM_THIRD_PARTY_DIR" || {
    echo "Error: Current directory is not \$WM_THIRD_PARTY_DIR"
    echo "    The environment variables are inconsistent with the installation."
    echo "    Check the OpenFOAM entries in your dot-files and source them."
    exit 1
}
. etc/tools/ThirdPartyFunctions
#------------------------------------------------------------------------------

usage() {
    exec 1>&2
    while [ "$#" -ge 1 ]; do echo "$1"; shift; done
    cat<<USAGE

usage: ${0##*/} [option] [gmp-VERSION] [mpfr-VERSION] [mpc-VERSION] <gcc-VERSION>
options:
  -no-multilib      for 64-bit systems that don't have 32-bit support
  -help

* build combinations of gmp, mpfr, mpc and gcc
      $gmpPACKAGE
      $mpfrPACKAGE
      $mpcPACKAGE
      $gccPACKAGE

USAGE
    exit 1
}

GCC_BUILD_OPTIONS="--enable-multilib"

# Parse options
while [ "$#" -gt 0 ]
do
    case "$1" in
    -h | -help)
        usage
        ;;
    -no-multilib)
        GCC_BUILD_OPTIONS="--disable-multilib"
        shift
        ;;
    gmp-[4-9]*)
        gmpPACKAGE="${1%%/}"
        shift
        ;;
    mpfr-[2-9]*)
        mpfrPACKAGE="${1%%/}"
        shift
        ;;
    mpc-[0-9]*)
        mpcPACKAGE="${1%%/}"
        shift
        ;;
    gcc-[4-9]*)
        gccPACKAGE="${1%%/}"
        shift
        ;;
    *)
        usage "unknown option/argument: '$*'"
        ;;
    esac
done

if [ -z "$gccPACKAGE" ]
then
    usage "Please specify gcc-VERSION"
    exit 1
fi


# Set 32 or 64 bit ABI
case "$WM_ARCH_OPTION" in
32 | 64)
    ABI=$WM_ARCH_OPTION
    ;;
*)
    usage "Please set WM_ARCH_OPTION to either 32 or 64'$*'"
    ;;
esac


#------------------------------------------------------------------------------
# Build/install without compiler name
buildBASE=$WM_THIRD_PARTY_DIR/build/$WM_ARCH$WM_COMPILER_ARCH
installBASE=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER_ARCH

GCC_ARCH_PATH=$installBASE/$gccPACKAGE
GMP_ARCH_PATH=$installBASE/$gmpPACKAGE
MPFR_ARCH_PATH=$installBASE/$mpfrPACKAGE
MPC_ARCH_PATH=$installBASE/$mpcPACKAGE

#
# Build GMP
#
echo "---------------"
if [ -d $GMP_ARCH_PATH ]
then
    echo "Already built: $gmpPACKAGE"
else
    echo "Starting build: $gmpPACKAGE"
    echo
(
    sourceDIR=$WM_THIRD_PARTY_DIR/$gmpPACKAGE
    buildDIR=$buildBASE/$gmpPACKAGE

    cd $sourceDIR || exit 1
    make distclean 2>/dev/null

    rm -rf $buildDIR
    mkdir -p $buildDIR
    cd $buildDIR

    set -x
    $sourceDIR/configure ABI=$ABI \
        --prefix=$GMP_ARCH_PATH \
        --libdir=$GMP_ARCH_PATH/lib$WM_COMPILER_LIB_ARCH \
        --enable-cxx \
    && make -j $WM_NCOMPPROCS \
    && make install \
    && echo "Built: $gmpPACKAGE"
) || {
    echo "Error building: $gmpPACKAGE"
    exit 1
}
fi

export LD_LIBRARY_PATH="$GMP_ARCH_PATH/lib:$LD_LIBRARY_PATH"

#
# Build MPFR
#
echo "---------------"
if [ -d $MPFR_ARCH_PATH ]
then
    echo "Already built: $mpfrPACKAGE"
else
    echo "Starting build: $mpfrPACKAGE"
    echo
(
    sourceDIR=$WM_THIRD_PARTY_DIR/$mpfrPACKAGE
    buildDIR=$buildBASE/$mpfrPACKAGE

    cd $sourceDIR || exit 1
    make distclean 2>/dev/null

    rm -rf $buildDIR
    mkdir -p $buildDIR
    cd $buildDIR

    set -x
    $sourceDIR/configure ABI=$ABI \
       --prefix=$MPFR_ARCH_PATH \
       --libdir=$MPFR_ARCH_PATH/lib$WM_COMPILER_LIB_ARCH \
       --with-gmp-include=$GMP_ARCH_PATH/include \
       --with-gmp-lib=$GMP_ARCH_PATH/lib$WM_COMPILER_LIB_ARCH \
    && make -j $WM_NCOMPPROCS \
    && make install \
    && echo "Built: $mpfrPACKAGE"
) || {
    echo "Error building: $mpfrPACKAGE"
    exit 1
}
fi

export LD_LIBRARY_PATH="$MPFR_ARCH_PATH/lib:$LD_LIBRARY_PATH"

#
# Build mpc
#
echo "---------------"
if [ -d $MPC_ARCH_PATH ]
then
    echo "Already built: $mpcPACKAGE"
else
    echo "Starting build: $mpcPACKAGE"
    echo
(
    sourceDIR=$WM_THIRD_PARTY_DIR/$mpcPACKAGE
    buildDIR=$buildBASE/$mpcPACKAGE

    cd $sourceDIR || exit 1
    make distclean 2>/dev/null

    rm -rf $buildDIR
    mkdir -p $buildDIR
    cd $buildDIR

    set -x
    $sourceDIR/configure ABI=$ABI \
        --prefix=$MPC_ARCH_PATH \
        --libdir=$MPC_ARCH_PATH/lib$WM_COMPILER_LIB_ARCH \
        --with-gmp-include=$GMP_ARCH_PATH/include \
        --with-gmp-lib=$GMP_ARCH_PATH/lib$WM_COMPILER_LIB_ARCH \
        --with-mpfr-include=$MPFR_ARCH_PATH/include \
        --with-mpfr-lib=$MPFR_ARCH_PATH/lib$WM_COMPILER_LIB_ARCH \
    && make -j $WM_NCOMPPROCS \
    && make install \
    && echo "Built: $mpcPACKAGE"
) || {
    echo "Error building: $mpcPACKAGE"
    exit 1
}
fi


if [ -d "$MPC_ARCH_PATH" ]
then
    export LD_LIBRARY_PATH="$MPC_ARCH_PATH/lib:$LD_LIBRARY_PATH"
fi


#
# Build GCC
# might need 32-bit glibc-devel headers to compile
# E.g. on ubuntu install g++-multilib
#
echo "---------------"
if [ -d $GCC_ARCH_PATH ]
then
    echo "Already built: $gccPACKAGE"
else
    echo "Starting build: $gccPACKAGE"
    echo
(
    sourceDIR=$WM_THIRD_PARTY_DIR/$gccPACKAGE
    buildDIR=$buildBASE/$gccPACKAGE

    cd $sourceDIR || exit 1
    make distclean 2>/dev/null

    rm -rf $buildDIR
    mkdir -p $buildDIR
    cd $buildDIR

    set -x
    $sourceDIR/configure \
        --prefix=$GCC_ARCH_PATH \
        --with-gmp-include=$GMP_ARCH_PATH/include \
        --with-gmp-lib=$GMP_ARCH_PATH/lib$WM_COMPILER_LIB_ARCH \
        --with-mpfr-include=$MPFR_ARCH_PATH/include \
        --with-mpfr-lib=$MPFR_ARCH_PATH/lib$WM_COMPILER_LIB_ARCH \
        --with-mpc-include=$MPC_ARCH_PATH/include \
        --with-mpc-lib=$MPC_ARCH_PATH/lib$WM_COMPILER_LIB_ARCH \
        --with-pkgversion=OpenFOAM \
        --enable-languages=c,c++ \
        --enable-__cxa_atexit \
        --enable-libstdcxx-allocator=new \
        --with-system-zlib \
        $GCC_BUILD_OPTIONS \
        MAKEINFO=missing \
    && make -j $WM_NCOMPPROCS \
    && make install \
    && echo "Built: $gccPACKAGE"
) || {
    echo "Error building: $gccPACKAGE"
    exit 1
}
fi


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

diff --git a/makeGcc b/makeGcc
index 32cc6c5..fec9a05 100755
--- a/makeGcc
+++ b/makeGcc
@@ -3,7 +3,7 @@
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
-#   \\  /    A nd           | Copyright (C) 2011-2016 OpenFOAM Foundation
+#   \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
 #    \\/     M anipulation  |
 #------------------------------------------------------------------------------
 # License
@@ -71,7 +71,7 @@ USAGE
     exit 1
 }
 
-GCC_BUILD_OPTIONS=""
+GCC_BUILD_OPTIONS="--enable-multilib"
 
 # Parse options
 while [ "$#" -gt 0 ]
@@ -291,7 +291,6 @@ else
         --enable-__cxa_atexit \
         --enable-libstdcxx-allocator=new \
         --with-system-zlib \
-        --enable-multilib \
         $GCC_BUILD_OPTIONS \
         MAKEINFO=missing \
     && make -j $WM_NCOMPPROCS \