# Maintainer: Martchus <martchus@gmx.net>
# Contributor: ant32 <antreimer@gmail.com>
# Contributor: Filip Brcic <brcha@gna.org>
# Contributor: jellysheep <max.mail@dameweb.de>

# BEFORE COMMENTING OR REPORING ISSUES, PLEASE READ THE FILE `README.md` IN THIS REPOSITORY.
# ALSO HAVE A LOOK AT THE COMMENTS IN THE AUR.

# DOES NOT WORK YET, see comment in build() function

# All my PKGBUILDs are managed at https://github.com/Martchus/PKGBUILDs where
# you also find the URL of a binary repository.

# All patches are managed at https://github.com/Martchus/qtbase

_qt_module=qtbase
pkgname=mingw-w64-qt5-base-angle
pkgver=5.15.0
pkgrel=1
pkgdesc='A cross-platform application and UI framework, ANGLE OpenGL backend (mingw-w64)'
arch=('i686' 'x86_64')
url='https://www.qt.io/'
license=('GPL3' 'LGPL3' 'FDL' 'custom')
depends=('mingw-w64-crt' 'mingw-w64-zlib' 'mingw-w64-libjpeg-turbo' 'mingw-w64-sqlite'
         'mingw-w64-libpng' 'mingw-w64-openssl' 'mingw-w64-dbus' 'mingw-w64-harfbuzz'
         'mingw-w64-pcre2')
optdepends=('mingw-w64-mesa: use LLVMpipe software rasterizer for Qt Quick'
            'mingw-w64-postgresql: PostgreSQL support'
            'mingw-w64-mariadb-connector-c: MySQL support')
makedepends=('mingw-w64-gcc' 'mingw-w64-postgresql' 'mingw-w64-mariadb-connector-c'
             'mingw-w64-vulkan-headers' 'mingw-w64-pkg-config' 'mingw-w64-environment')
# makedepends+=('mingw-w64-wine') # the dynamic/ANGLE version needs to run fxc.exe (not implemented yet)
groups=('mingw-w64-qt5')
provides+=('mingw-w64-qt5-base')
conflicts+=('mingw-w64-qt5-base' 'mingw-w64-qt5-base-angle' 'mingw-w64-qt5-base-noopengl'
            'mingw-w64-qt5-base-dynamic' 'mingw-w64-qt5-base-openql')
options=('!strip' '!buildflags' 'staticlibs' '!emptydirs')
_pkgfqn="${_qt_module}-everywhere-src-${pkgver}"
source=("https://download.qt.io/official_releases/qt/${pkgver%.*}/${pkgver}/submodules/${_pkgfqn}.tar.xz"
        '0001-Adjust-win32-g-profile-for-cross-compilation-with-mi.patch'
        '0002-Ensure-GLdouble-is-defined-when-using-dynamic-OpenGL.patch'
        '0003-Fix-too-many-sections-assemler-error-in-OpenGL-facto.patch'
        '0004-Make-sure-.pc-files-are-installed-correctly.patch'
        '0005-Don-t-add-resource-files-to-LIBS-parameter.patch'
        '0006-Prevent-debug-library-names-in-pkg-config-files.patch'
        '0007-Fix-linking-against-shared-static-libpng.patch'
        '0008-Fix-linking-against-static-D-Bus.patch'
        '0009-Don-t-try-to-use-debug-version-of-D-Bus-library.patch'
        '0010-Fix-linking-against-static-freetype2.patch'
        '0011-Fix-linking-against-static-harfbuzz.patch'
        '0012-Fix-linking-against-static-pcre.patch'
        '0013-Fix-linking-against-shared-static-MariaDB.patch'
        '0014-Fix-linking-against-shared-static-PostgreSQL.patch'
        '0015-Rename-qtmain-to-qt5main.patch'
        '0016-Enable-rpath-for-build-tools.patch'
        '0017-Use-system-zlib-for-build-tools.patch'
        '0018-Merge-shared-and-static-library-trees.patch'
        '0019-Use-.dll.a-as-import-lib-extension.patch'
        '0020-Pull-dependencies-of-static-libraries-in-CMake-modul.patch'
        '0021-Allow-usage-of-static-version-with-CMake.patch'
        '0022-Adjust-linker-flags-for-static-build-with-cmake-ming.patch'
        '0023-Use-correct-pkg-config-static-flag.patch'
        '0024-Fix-macro-invoking-moc-rcc-and-uic.patch'
        '0025-Ignore-errors-about-missing-feature-static.patch'
        '0026-Enable-and-fix-use-of-iconv.patch'
        '0027-Ignore-failing-pkg-config-test.patch'
        '0028-Prevent-qmake-from-messing-static-lib-dependencies.patch'
        '0029-Hardcode-linker-flags-for-platform-plugins.patch'
        '0030-Fix-linking-against-static-plugins-with-qmake.patch'
        '0031-Prevent-Cannot-find-feature-windows_vulkan_sdk.patch')
sha256sums=('48b9e79220941665a9dd827548c6428f7aa3052ccba8f4f7e039a94aa1d2b28a'
            '03fbaa97d7e867db4f73c36045010c915d69e14d8de82fba886db6dbb5f2c19a'
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            '1a25dc976dcd763edb2ca9431083b88b3f4d075104dfbc4aa84ab3ce6e009896'
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            '68ca7b583d40b8eaf6f3f022256f26e041a5e845c435c17a1462d2a825901f62'
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            '11112caf945e199bca20d1adad09990e348d078fd99567be037fd02ef5081174'
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            '1b1bed9052a0f7666bbfd99d0a2e21e146e5b24d1967b80367ab0df55c3f3474'
            '896360b605d5b47db2c8459c620a1c07a5951efa702734c58dfb773396dc328b'
            'd339e29673f2ec6f3ae7c4b6f64188b0686946b0ad5a99c6721fa99dc123bb70'
            '0ac665c9c982be0b35d249bec3e38b8d95c8539a9e68379216994e01f32daaff'
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            '227fd12bda01bd023c5f353b3b3c42bc8b14dbd3fd0fc7e78b0ee5fe16017b26'
            'a63e76c896c2fafef4f457b95d547631d86845d2bb6d414a64d0ffa391dd21ef'
            'a80a47c4d40e61431cf0357ab14d1634eadec9add509c995e7ff4ee417bd2065'
            '563169bc4886659f026ab35f92175828265385fbfebce44b23565f7de35a1420'
            'a90671b2188cd76e9d950793d4d41cf2ec54d8f4d3adbc1d966efafc313d2b3a'
            '25a6eabbd5ae5b2f3b86ec36b0d6a298cc9f3df5dd3190abcbd24f54d662da9c'
            'd69836ba35570985c271ce84a4c6833f33436696e8e25ecb23e27f3e498aa696'
            '3b5ea2572e65c52ff988a97e988f7f4a36a20973c63afb047db6d8a2b67a2dc5'
            'c8181d71a5209983e4659c1bb11957fb0199e0c7e66808e5cb877e5876c704be')

_architectures='i686-w64-mingw32 x86_64-w64-mingw32'

prepare() {
  cd "${srcdir}/${_pkgfqn}"

  # apply patches; further descriptions can be found in patch files itself
  for patch in "$srcdir/"*.patch; do
    msg2 "Applying patch $patch"
    patch -p1 -i "$patch"
  done

  # make sure the Qt 5 build system uses our external PCRE library and zlib
  rm -rf src/3rdparty/{pcre,zlib}

  # clear buildflags ('!buildflags' only effects build() but not prepare())
  unset CPPFLAGS CFLAGS CXXFLAGS LDFLAGS PKG_CONFIG_PATH

  # build qmake using mingw-w64 {C,CXX,LD}FLAGS
  # * This also sets default {C,CXX,LD}FLAGS for projects built using qmake.
  source mingw-env
  sed -i -e "s|^\(QMAKE_CFLAGS_RELEASE.*=\).*$|\1 ${CFLAGS}|" \
         -e "s|^\(QMAKE_CXXFLAGS_RELEASE.*=\).*$|\1 ${CXXFLAGS}|" \
         -e "s|^\(QMAKE_LFLAGS_RELEASE.*=\).*$|\1 ${LDFLAGS}|" \
    mkspecs/common/gcc-base.conf \
    mkspecs/common/g++-win32.conf
  sed -i -e "s|^\(QMAKE_LFLAGS_RELEASE.*=\).*$|\1|" \
    mkspecs/common/g++-unix.conf
}

build() {
  cd "${srcdir}/${_pkgfqn}"

  for _arch in ${_architectures}; do
    # define general configure arguments
    local qt_configure_args="\
      -xplatform win32-g++ \
      -optimized-qmake \
      -verbose \
      -opensource \
      -confirm-license \
      -force-pkg-config \
      -force-debug-info \
      -system-zlib \
      -system-libpng \
      -system-libjpeg \
      -system-sqlite \
      -system-freetype \
      -system-harfbuzz \
      -system-pcre \
      -no-fontconfig \
      -sql-mysql \
      -sql-psql \
      -sql-sqlite \
      -dbus-linked \
      -no-glib \
      -no-icu \
      -iconv \
      -nomake examples \
      -make tools \
      -hostprefix /usr/${_arch} \
      -hostdatadir /usr/${_arch}/lib/qt \
      -hostbindir /usr/${_arch}/lib/qt/bin \
      -prefix /usr/${_arch} \
      -bindir /usr/${_arch}/bin \
      -archdatadir /usr/${_arch}/lib/qt \
      -datadir /usr/${_arch}/share/qt \
      -docdir /usr/${_arch}/share/doc/qt \
      -examplesdir /usr/${_arch}/share/qt/examples \
      -headerdir /usr/${_arch}/include/qt \
      -libdir /usr/${_arch}/lib \
      -plugindir /usr/${_arch}/lib/qt/plugins \
      -sysconfdir /usr/${_arch}/etc \
      -translationdir /usr/${_arch}/share/qt/translations \
      -device-option CROSS_COMPILE=${_arch}- \
      -device-option CROSS_COMPILE_PREFIX=/usr/${_arch}"

    # allows using ccache despite the use of pre-compile header (sloppiness must be set to pch_defines,time_macros in ccache config for this)
    qt_configure_args+=' -device-option CROSS_COMPILE_CFLAGS=-fpch-preprocess'
    qt_configure_args+=' -device-option CROSS_COMPILE_CXXFLAGS=-fpch-preprocess'

    # add include directory of freetype2 and dbus manually (pkg-config detection in qmake doesn't work which is currently ignored via a patch)
    qt_configure_args+=" $(${_arch}-pkg-config --cflags-only-I freetype2 dbus-1 | sed -e "s/-I\/usr\/${_arch}\/include //g")"
    # note: The sed is required to prevent -isystem /usr/${_arch}/include (qmake will turn -I into -isystem) which would lead to
    #       the same issue as here: https://github.com/Martchus/tageditor/issues/22#issuecomment-330899141

    # enable debug build if MINGW_W64_QT_DEBUG_BUILD is set (could be set in eg. /etc/makepkg.config if debug build is wanted)
    [[ $MINGW_W64_QT_DEBUG_BUILD ]] \
      && qt_configure_args+=' -debug-and-release' \
      || qt_configure_args+=' -release'

    # configure usage of ANGLE/OpenGL
    # FIXME: This is broken because we needed to invoke fxc.exe (Direct3D Shader Compiler)
    #        during the build. Maybe start it with WINE?
    msg2 'Using ANGLE as OpenGL backend'
    qt_configure_args+=' -angle'
    # enable declarations of GLES functions
    # FIXME: Still required?
    qt_configure_args+=' -DGL_GLEXT_PROTOTYPES'

    # add include directory of MariaDB
    qt_configure_args+=" -I/usr/${_arch}/include/mariadb"

    # add include directory for Vulkan
    export VULKAN_SDK=/usr/${_arch}

    msg2 'Configure and build qmake'
    mkdir -p ../build-${_arch} && pushd ../build-${_arch}
    qt_configure_args+=' -shared'

    # configure shared version to load OpenSSL dynamically
    qt_configure_args+=' -openssl-runtime'

    qt_configure_args+=' -device-option CROSS_COMPILE_CUSTOM_CONFIG=actually_a_shared_build'

    # override LD_LIBRARY_PATH so libraries for native build tools like libQt5Bootstrap.so are found
    #export LD_LIBRARY_PATH="$PWD/lib"
    #export LDFLAGS="-L$PWD/lib"

    msg2 'Build qmake and configure' && ../${_pkgfqn}/configure $qt_configure_args
    msg2 'Build Qt libraries'        && make

    popd
  done
}

package() {
  for _arch in ${_architectures}; do
    cd "$srcdir/${_pkgfqn}"
    make install -C ../build-${_arch} INSTALL_ROOT="${pkgdir}"

    # use prl files from build directory since installed prl files seem to have incorrect QMAKE_PRL_LIBS_FOR_CMAKE
    pushd "$srcdir/build-${_arch}/lib"
    find -iname '*.prl' -exec cp --target-directory "${pkgdir}/usr/${_arch}/lib" --parents {} +
    popd
    pushd "$srcdir/build-${_arch}/plugins"
    find -iname '*.prl' -exec cp --target-directory "${pkgdir}/usr/${_arch}/lib/qt/plugins" --parents {} +
    popd

    # remove DLLs from libdir (DLLs are installed in both bindir and libdir, one copy is sufficient)
    find "${pkgdir}/usr/${_arch}/lib" -maxdepth 1 -name "*.dll" -exec rm {} \;

    # install missing libQt5BootstrapDBus.a manually
    cp --target-directory "${pkgdir}/usr/${_arch}/lib" "$srcdir/build-${_arch}/lib/libQt5BootstrapDBus.a"

    # create symlinks for tools
    mkdir -p "${pkgdir}/usr/bin"
    for tool in qmake moc rcc uic qdbuscpp2xml qdbusxml2cpp qdoc syncqt.pl; do
      ln -s "../${_arch}/lib/qt/bin/${tool}" "${pkgdir}/usr/bin/${_arch}-${tool}-qt5"
    done

    # create qt.conf containing plugin path, see https://github.com/Martchus/PKGBUILDs/issues/109
    echo "[Paths]
Plugins = /usr/${_arch}/lib/qt/plugins" > "${pkgdir}/usr/${_arch}/bin/qt.conf"

    # drop QMAKE_PRL_BUILD_DIR because reference the build dir
    find "${pkgdir}/usr/${_arch}/lib" -type f -name '*.prl' -exec sed -i -e '/^QMAKE_PRL_BUILD_DIR/d' {} \;

    # remove doc
    rm -rf "${pkgdir}/usr/${_arch}/share/doc"

    # remove prl files for debug version
    if ! [[ $MINGW_W64_QT_DEBUG_BUILD ]]; then
      for file in $(find "${pkgdir}/usr/${_arch}" -name '*d.prl' -o -name '*d.static.prl'); do
        [ -f "${file%d*}${file##*d}" ] && rm "${file}";
      done
    fi

    # remove '.static.prl' files
    find "${pkgdir}/usr/${_arch}" -name '.static.prl' -delete

    # replace library path in *.prl files so it points to the installed location and not the build directory
    find "${pkgdir}/usr/${_arch}/lib" \( -type f -name '*.prl' -o -name '*.pc' \) -exec sed -i -e "s:${PWD%/*}/build-${_arch}/lib:/usr/${_arch}/lib:g" {} \;

    # strip binaries, remove unuseful files
    strip --strip-all "${pkgdir}/usr/${_arch}/lib/qt/bin/"*[!.pl]
    strip --strip-debug "${pkgdir}/usr/${_arch}/lib/libQt5Bootstrap"*.a
    if [[ $NO_EXECUTABLES ]]; then
      find "${pkgdir}/usr/${_arch}" -name '*.exe' -delete
    else
      find "${pkgdir}/usr/${_arch}" -name '*.exe' -exec ${_arch}-strip --strip-all {} \;
    fi

    find "${pkgdir}/usr/${_arch}" \( -name '*.bat' -o -name '*.def' -o -name '*.exp' \) -delete
    find "${pkgdir}/usr/${_arch}" -name '*.dll' -exec ${_arch}-strip --strip-unneeded {} \;
    find "${pkgdir}/usr/${_arch}" \( -name '*.a' -not -name 'libQt5QmlDevTools.a' -not -name 'libQt5Bootstrap.a' \) -exec ${_arch}-strip -g {} \;
  done
}