#!/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
#     makeQt
#
# Description
#     Build script for QT (the qt-everywhere-opensource-src package)
#
# ----------------------------------------------
# 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
. "${WM_THIRD_PARTY_DIR:?}"/etc/tools/QtFunctions
#------------------------------------------------------------------------------
printVersions() { listPackageVersions qt; exit 0; }
printHelp() {
    cat<<USAGE

Usage: ${0##*/} [OPTION] [qt-VERSION] [-- configure-options]
options:
  -force        Force compilation, even if it already exists
  -gcc          Force use of gcc/g++
  -list         List available unpacked source versions
  -help         Display usage help

* build $qtTYPE, version ${qtVERSION:-undefined}

USAGE
    showDownloadHint qt
    exit 0  # Clean exit
}
#------------------------------------------------------------------------------
exportCompiler true     # Compiler info + flags for CMake/configure

unset optForce
unset PACKAGE qtVERSION

# Parse options
while [ "$#" -gt 0 ]
do
    case "$1" in
    '') ;;      # Ignore empty
    --) break;; # Extra configure options (leave on $@ for later detection)
    -h | -help*) printHelp;;
    -list)      printVersions;;
    -gcc)       useGcc  ;;
    -force)     optForce=true ;;

    qt/* | sources/qt*)
        # -qt-VERSION, VERSION, qt-VERSION, qt-everywhere-opensource-src-VERSION
        PACKAGE="${1%%/}";
        qtVERSION="$(basename "$PACKAGE" | sed 's#^.*-##')"
        ;;

    -qt-[0-9]* | [0-9]* | qt-*)
        # -qt-VERSION, VERSION, qt-VERSION, qt-everywhere-opensource-src-VERSION
        qtVERSION="${1%%/}";
        qtVERSION="${qtVERSION##*-}"
        PACKAGE="$qtTYPE-$qtVERSION"
        ;;

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

if [ -z "$PACKAGE" ]
then
    die "The QT package/version not specified"
elif _foamIsNone "$PACKAGE" || _foamIsSystem "$PACKAGE"
then
    echo "Using none/system (skip ThirdParty build of QT)"
    exit 0
fi

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

PKG_SOURCE="$(findSourceDir "$PACKAGE" "$qtTYPE-$qtVERSION")"
PACKAGE="qt-$qtVERSION"
PKG_PREFIX="$installBASE/$PACKAGE"
export GIT_DIR="$PKG_SOURCE/.git"

echo
echo ========================================
echo "Build Qt $PACKAGE"
echo

if [ -z "$optForce" ] \
&& [ -d "$PKG_PREFIX" ] \
&& [ -r "$PKG_PREFIX"/bin/qmake ]
then
    echo "Already built: $PACKAGE"
else
    echo "Starting build: $PACKAGE"
    (
        # Configuration options:
        unset configOpt
        configOpt="$configOpt -nomake examples"

        case "$qtVERSION" in
        4*) # QT-4
            # Without demos.
            configOpt="$configOpt -nomake demos"

            # Without old qt3 transition code
            configOpt="$configOpt -no-qt3support"

            # Without WebKit - uses std:tr1 and does not compile with c++11
            # Fortunately WebKit is now optional for ParaView
            configOpt="$configOpt -no-webkit"
            ;;

        *)  # QT-5
            # Avoid too many X11 system dependencies.
            configOpt="$configOpt -qt-xcb"
            ;;
        esac

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

        # End of configuration options
        # ----------------------------
        PKG_BUILD="$buildBASE/$PACKAGE"

        cd "$PKG_SOURCE" || exit
        [ -e Makefile ] && make distclean 2>/dev/null

        # Remove any existing build folder and recreate
        rm -rf "$PKG_PREFIX"
        rm -rf "$PKG_BUILD"
        mkdir -p "$PKG_BUILD"

        # Remove any remnants from a previous shadow build
        rm -f "$PKG_SOURCE"/.qmake.cache
        rm -f "$PKG_SOURCE"/src/corelib/global/qconfig.h
        rm -f "$PKG_SOURCE"/src/corelib/global/qconfig.cpp

        cd "$PKG_BUILD" || exit

        # Compile as opensource, accepting LGPL conditions (yes)
        echo yes | "$PKG_SOURCE"/configure \
            -prefix "$PKG_PREFIX" \
            -opensource \
            $configOpt \
        && time make -j $WM_NCOMPPROCS \
        && make install \
        && echo "Built: $PACKAGE" \
        && finalizeQt "$PKG_PREFIX"
    ) || {
        echo "Error building: $PACKAGE"
        exit 1
    }
fi

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