#!/bin/sh
#------------------------------------------------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     |
#   \\  /    A nd           | www.openfoam.com
#    \\/     M anipulation  |
#------------------------------------------------------------------------------
#     Copyright (C) 2011 OpenFOAM Foundation
#     Copyright (C) 2016-2021 OpenCFD Ltd.
#------------------------------------------------------------------------------
# License
#     This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
#
# Script
#     makeCmake
#
# Description
#     Build script for cmake.
#
#     The '-link' option can be used to create a 'cmake-system' pointing
#     to this version.
#
# ----------------------------------------------
# NO USER-CONFIGURABLE SETTINGS WITHIN THIS FILE
#------------------------------------------------------------------------------
if :    # Run from third-party directory
then
    cd "${0%/*}" || exit
    wmakeCheckPwd "$WM_THIRD_PARTY_DIR" 2>/dev/null || {
        echo "Error (${0##*/}) : not located in \$WM_THIRD_PARTY_DIR"
        echo "    Check your OpenFOAM environment and installation"
        exit 1
    }
fi
. "${WM_THIRD_PARTY_DIR:?}"/etc/tools/ThirdPartyFunctions
#------------------------------------------------------------------------------

# Special purpose script - no default version
unset PACKAGE

#------------------------------------------------------------------------------
printVersions() { listPackageVersions cmake; exit 0; }
printHelp() {
    cat<<USAGE

Usage: ${0##*/} [OPTION] cmake-VERSION
options:
  -force        Force compilation, even if binary already exists
  -gcc          Force use of gcc/g++
  -link         Create additional symlink as 'cmake-system'
  -list         List available unpacked source versions
  -help         Display usage help

* Build cmake
      ${PACKAGE:-[unspecified]}

USAGE
    showDownloadHint cmake
    exit 0  # Clean exit
}
#------------------------------------------------------------------------------
exportCompiler          # Compiler info for CMake/configure

unset optForce optLink

# Parse options
while [ "$#" -gt 0 ]
do
    case "$1" in
    '') ;;      # Ignore empty
    -h | -help*) printHelp;;
    -list)      printVersions;;
    -gcc)       useGcc  ;;
    -force)     optForce=true ;;
    -link)      optLink=true ;;

    cmake/* | sources/cmake* | \
    cmake-[0-9]*)
        PACKAGE="${1%%/}"
        ;;
    *)
        die "unknown option/argument: '$1'"
        ;;
    esac
    shift
done

if [ -z "$PACKAGE" ]
then
    die "The CMAKE package/version not specified"
fi

if _foamIsSystem "$PACKAGE"
then
    unset optLink # basic sanity - cannot create a link
fi

#------------------------------------------------------------------------------
#
# Build CMAKE
#   *PACKAGE : name-version of the package
#   *SOURCE  : location of original sources
#   *PREFIX  : installation directory

PKG_SOURCE="$(findSourceDir "$PACKAGE")"
PACKAGE="$(basename "$PACKAGE")"
PKG_PREFIX="$installBASE/$PACKAGE"
export GIT_DIR="$PKG_SOURCE/.git"


if [ -z "$optForce" ] \
&& [ -d "$PKG_PREFIX" ] \
&& [ -r "$PKG_PREFIX/bin/cmake" ]
then
    echo "Already built: $PACKAGE"
else
    echo "Starting build: $PACKAGE"
    (
        PKG_BUILD="$buildBASE/$PACKAGE"
        cd "$PKG_SOURCE" || exit
        make distclean 2>/dev/null || true

        rm -rf "$PKG_BUILD"
        mkdir -p "$PKG_BUILD"

        cd "$PKG_BUILD" && \
        "$PKG_SOURCE"/bootstrap \
            --prefix="$PKG_PREFIX" \
        && time make -j $WM_NCOMPPROCS \
        && make install \
        && echo "Built: $PACKAGE"
    ) || {
        echo "Error building: $PACKAGE"
        exit 1
    }
fi

if [ "$optLink" = true ] && [ -x "$PKG_PREFIX/bin/cmake" ]
then
(
    cd "${PKG_PREFIX%/*}" || exit
    if [ -L cmake-system ]
    then
        rm cmake-system
    elif [ -d cmake-system ]
    then
        exit 2
    fi
    ln -svf "$PACKAGE" cmake-system
)
fi

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