#!/bin/sh
#------------------------------------------------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     |
#   \\  /    A nd           | Copyright (C) 2016-2017 OpenCFD Ltd.
#    \\/     M anipulation  |
#------------------------------------------------------------------------------
# License
#     This file is part of OpenFOAM, licensed under GNU General Public License
#     <http://www.gnu.org/licenses/>.
#
# Script
#     makeADIOS
#
# Description
#     Build script for ADIOS
#
# ----------------------------------------------
# NO USER-CONFIGURABLE SETTINGS WITHIN THIS FILE
#------------------------------------------------------------------------------
# Run from third-party directory only
cd ${0%/*} && wmakeCheckPwd "$WM_THIRD_PARTY_DIR" 2>/dev/null || {
    echo "Error (${0##*/}) : not located in \$WM_THIRD_PARTY_DIR"
    echo "    Check your OpenFOAM environment and installation"
    exit 1
}
. etc/tools/ThirdPartyFunctions
#------------------------------------------------------------------------------

# ADIOS version from OpenFOAM etc/config.sh file:
_foamEtc config.sh/ADIOS

adiosPACKAGE=${adios_version:-adios-none}

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

usage: ${0##*/} [OPTION] [adios-VERSION] [-- configure-options]
options:
  -cmake PATH       With cmake from the path given
  -gcc              Force gcc/g++ instead of the values from \$WM_CC, \$WM_CXX
  -help

* Build ADIOS
      $adiosPACKAGE

USAGE
    exit 1
}
#------------------------------------------------------------------------------
# Compiler settings for CMake/configure
[ -n "$WM_CC" ]         &&  export CC="$WM_CC"
[ -n "$WM_CXX" ]        &&  export CXX="$WM_CXX"
[ -n "$WM_CFLAGS" ]     &&  export CFLAGS="$WM_CFLAGS"
[ -n "$WM_CXXFLAGS" ]   &&  export CXXFLAGS="$WM_CXXFLAGS"

# Parse options
while [ "$#" -gt 0 ]
do
    case "$1" in
    '') ;;      # Ignore empty
    --) break;; # Extra configure options (leave on $@ for later detection)
    -h | -help) usage   ;;
    -gcc)       useGcc  ;;

    -cmake)
        [ "$#" -ge 2 ] || die "'$1' option requires an argument"
        CMAKE_PATH="${2%%/}"
        shift
        ;;
    ADIOS-[1-9]* | adios-[1-9]* | ADIOS-git* | adios-git*)
        adiosPACKAGE="${1%%/}"
        ;;

    *)
        die "unknown option/argument: '$1'"
        ;;
    esac
    shift
done

[ -n "$adiosPACKAGE" ] || die "The adios-VERSION was not specified"

# Nothing to build
if _foamIsNone "$adiosPACKAGE"
then
    echo "Using adios-none (skip ThirdParty build of ADIOS)"
    exit 0
elif _foamIsSystem "$adiosPACKAGE"
then
    echo "Using adios-system"
    exit 0
fi

#------------------------------------------------------------------------------
#
# Build ADIOS
#   ADIOS_SOURCE_DIR : location of the original sources
#   ADIOS_ARCH_PATH  : installation directory

ADIOS_SOURCE_DIR=$sourceBASE/$adiosPACKAGE
ADIOS_ARCH_PATH=$installBASE/$adiosPACKAGE

: ${FOAM_MPI:=dummy}

echo
echo ========================================
echo "Build adios library $adiosPACKAGE for $FOAM_MPI"
echo


#
# Manual adjustments to adios config
#
adjustADIOS()
{
    # Rename libraries according to FOAM_MPI
    (
        cd $ADIOS_ARCH_PATH/lib$WM_COMPILER_LIB_ARCH || exit 1

        if [ "$FOAM_MPI" != dummy ]
        then
            \mv -f libadios.a       libadios_$FOAM_MPI.a
            \mv -f libadiosread.a   libadiosread_$FOAM_MPI.a
        fi
        \mv -f libadios_nompi.a     libadios_dummy.a
        \mv -f libadiosread_nompi.a libadiosread_dummy.a

        echo
        echo "ADIOS library renamed to libadios_$FOAM_MPI"
        echo
    )

    # We don't need/use XML things
    \rm -f $ADIOS_ARCH_PATH/bin/adios_lint

    # Replace resolved paths with variables
    echo "Adjust prefix for ADIOS"
    for i in \
        $ADIOS_ARCH_PATH/bin/adios_config \
        $ADIOS_ARCH_PATH/etc/adios_config.flags \
    ;
    do
        [ -f "$i" ] || {
            echo "    no such file - '$i'"
            continue
        }
        if sed -i -e 's|'"$WM_THIRD_PARTY_DIR"'|$WM_THIRD_PARTY_DIR|g' $i
        then
            echo "    '$i'"
        else
            echo "    problems with '$i'"
        fi
    done

    # Adjust the config flags file:
    # * Remove references to Fortran libraries (disabled in configure)
    # * Remove references to deprecated version 1 API
    # * Cleanup excessive whitespace
    # * Handle renamed libraries:
    #   - libadios       -> libadios_$FOAM_MPI
    #   - libadios_nompi -> libadios_dummy
    #
    echo "Adjust library names for ADIOS"
    for i in \
        $ADIOS_ARCH_PATH/etc/adios_config.flags \
    ;
    do
        [ -f "$i" ] || {
            echo "    no such file - '$i'"
            continue
        }

        if sed -i \
            -e '/_FLIB=/d' \
            -e '/_V1_INC=/d' \
            -e 's|  *| |g' \
            -e 's|\(-ladios[a-z]*_\)nompi |\1dummy |g' \
            $i
        then
            echo "    '$i'"
        else
            echo "    problems with '$i'"
        fi

        if [ "$FOAM_MPI" != dummy ]
        then
            sed -i -e 's|\(-ladios[a-z]*\) |\1_'"$FOAM_MPI |g" $i || \
            echo "    problems with '$i'"
        fi
    done
}

#
# List ADIOS methods/configuration
#
listMethods()
{
    [ -f $ADIOS_ARCH_PATH/bin/adios_config ] || {
        echo "Warning: no adios_config"
        return 1
    }

    echo "==============="

    # May have problems listing parallel methods (eg, transport key missing)
    if $ADIOS_ARCH_PATH/bin/adios_config -m >/dev/null 2>&1
    then
        $ADIOS_ARCH_PATH/bin/adios_config -m 2>/dev/null
    else
        echo "Warning: could not list parallel methods"
        # Fallback to serial methods
        $ADIOS_ARCH_PATH/bin/adios_config -s -m 2>/dev/null
    fi || echo "Warning: could not list configured methods"
    echo "==============="

}


# Needs future adjustment
# - for shared library
# - for mpi-specific library locations
if [ -f $ADIOS_ARCH_PATH/include/adios.h \
  -a -r $ADIOS_ARCH_PATH/lib$WM_COMPILER_LIB_ARCH/libadios_${FOAM_MPI}.a ]
then
    echo "    ADIOS header in $ADIOS_ARCH_PATH/include"
    ### echo "    ADIOS libs   in $FOAM_EXT_LIBBIN"           # dynamic
    echo "    ADIOS libs   in $ADIOS_ARCH_PATH/lib$WM_COMPILER_LIB_ARCH" # static
    listMethods
elif [ -z "$CMAKE_PATH" ]
then
    echo "Starting build: $adiosPACKAGE (using configure)"
    echo
    (
        # Configuration options:
        unset configOpt

        # Add InfiniBand support
        ibDir=/usr/local/ofed
        if [ -d "$ibDir" -a "$FOAM_MPI" != dummy ]
        then
            configOpt="$configOpt --with-infiniband=$ibDir"
        fi

        # Transport layers
        if [ -f /usr/include/bzlib.h ]
        then
            configOpt="$configOpt --with-bzip2"
        fi

        if [ -f /usr/include/zlib.h ]
        then
            configOpt="$configOpt --with-zlib"
        fi

        # Other types of support
        ## configOpt="$configOpt --with-hdf5=..."
        ## configOpt="$configOpt --with-lustre=..."
        ## configOpt="$configOpt --enable-research-transports"

        # Additional configure options
        if [ "$1" = "--" ]
        then
            shift
            configOpt="$configOpt $@"
        fi

        # End of configuration options
        # ----------------------------
        buildDIR=$buildBASE/$adiosPACKAGE

        cd $ADIOS_SOURCE_DIR || exit 1
        export GIT_DIR=$PWD/.git # Mask seeing our own git-repo

        [ -e Makefile ] && make distclean 2>/dev/null

        applyPatch $adiosPACKAGE $ADIOS_SOURCE_DIR

        # Remove any existing build folder and recreate
        rm -rf $ADIOS_ARCH_DIR
        rm -rf $buildDIR 2>/dev/null
        mkdir -p $buildDIR

        [ -f configure ] || {
            echo "no configure for $adiosPACKAGE ... trying autogen"
            ./autogen.sh
        }

        # May not work properly with FOAM_MPI = dummy
        if [ "$FOAM_MPI" = dummy ]
        then
            configOpt="$configOpt --without-mpi"
        else
            CC=mpicc
            CXX=mpicxx
        fi

        # Install into lib64/
        cd $buildDIR && $ADIOS_SOURCE_DIR/configure \
            --prefix=$ADIOS_ARCH_PATH \
            --libdir=$ADIOS_ARCH_PATH/lib$WM_COMPILER_LIB_ARCH \
            --disable-fortran \
            --with-pic \
            --without-fastbit \
            $configOpt \
        && make -j $WM_NCOMPPROCS all \
        && make install \
        && echo "Built: $adiosPACKAGE" \
        && adjustADIOS \
        && listMethods
    ) || {
        echo "Error building: $adiosPACKAGE"
    }
else
    # CMake options often lag the configure ones
    echo "Starting build: $adiosPACKAGE (using cmake)"
    echo
    (
        buildDIR=$buildBASE/$adiosPACKAGE
        cd $ADIOS_SOURCE_DIR || exit 1
        export GIT_DIR=$PWD/.git # Mask seeing our own git-repo

        applyPatch $adiosPACKAGE $ADIOS_SOURCE_DIR

        # Remove any existing build folder and recreate
        rm -rf $ADIOS_ARCH_DIR
        rm -rf $buildDIR 2>/dev/null
        mkdir -p $buildDIR

        # May not work properly with FOAM_MPI = dummy
        if [ "$FOAM_MPI" = dummy ]
        then
            configOpt="$configOpt --without-mpi"
        else
            CC=mpicc
            CXX=mpicxx
        fi

        cmake=$(findCMake)

        # Install into lib64/
        cd $buildDIR && $cmake \
            -DCMAKE_INSTALL_PREFIX=$ADIOS_ARCH_PATH \
            -DCMAKE_BUILD_TYPE=Release \
            -DBUILD_FORTRAN=FALSE \
            ${WM_QUIET:+-DCMAKE_RULE_MESSAGES=OFF} \
            $ADIOS_SOURCE_DIR \
        && make -j $WM_NCOMPPROCS all \
        && make install \
        && echo "Built: $adiosPACKAGE" \
        && adjustADIOS \
        && listMethods
    ) || {
        echo "Error building: $adiosPACKAGE"
    }
fi

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