name=qt5
submodule=base
majver=5.11
version=$majver.1

dlextract "http://download.qt.io/official_releases/qt/$majver/$version/submodules/qt$submodule-everywhere-src-$version.tar.xz" \
          'c656471f138d3810187a523293e2cc28'
_

cd "qt$submodule-everywhere-src-$version"

# Build using custom CFLAGS, CXXFLAGS and LDFLAGS (Shamelessly stolen from ArchLinux)
sed -i -e "s/^\(QMAKE_CFLAGS_RELEASE.*\)/\1 $(safe_sed "$CFLAGS")/" mkspecs/common/gcc-base.conf
sed -i -e "s/^\(QMAKE_CXXFLAGS_RELEASE.*\)/\1 $(safe_sed "$CXXFLAGS")/" mkspecs/common/gcc-base.conf
sed -i -e "s/^\(QMAKE_LFLAGS_RELEASE.*\)/\1 $(safe_sed "$LDFLAGS")/" mkspecs/common/g++-unix.conf

# Make sure all the possible libraries are linked from the OS, as Qt might use its own if they aren't available.
optional=""
for opt in libpng libjpeg freetype harfbuzz xcb xkbcommon-x11; do
    lib="$opt"
    opts=
    [ "$lib" = 'freetype' ] && lib=freetype2
    [ "$lib" = 'harfbuzz' ] && opts='--atleast-version 1.6.0'

    pkg-config --exists $opts "$lib" && optional+=" -system-$opt" || optional+=" -no-$opt"
done

# TODO: Use system double-conversion
./configure -v -confirm-license -opensource \
    -prefix "/$dir_prefix" \
    -libdir "/$dir_prefix/$dir_lib" \
    -headerdir "/$dir_prefix/$dir_include/$name" \
    -sysconfdir "/$dir_prefix/$dir_sysconf/xdg" \
    -datadir "/$dir_prefix/$dir_data/$name" \
    -bindir "/$dir_prefix/$dir_lib/$name/bin" \
    -archdatadir "/$dir_prefix/$dir_lib/$name" \
    -docdir "/$dir_prefix/$dir_doc/$name" \
    -examplesdir "/$dir_prefix/$dir_doc/$name/examples" \
    -system-pcre \
    -system-zlib \
    -system-sqlite \
    -qt-doubleconversion \
    -dbus-linked \
    -openssl-linked \
    -nomake examples \
    $optional
make
make INSTALL_ROOT="$dir_install" install

mkdir -p "$dir_install/$dir_prefix/$dir_bin"
find "$dir_install/$dir_prefix/$dir_lib/$name/bin/" -type f -printf '%P\n' | while IFS= read bin; do
    ln -s "/$dir_prefix/$dir_lib/$name/bin/$bin" "$dir_install/$dir_prefix/$dir_bin/$bin-$name"
done

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