#!/bin/sh -e

patch -p1 < no-fribidi.patch
patch -p1 < fix-firefox.patch

# Remove configure check for atk-bridge and fribidi. Funny enough, atk-bridge
# is not required under wayland and there are ifdefs in place to ensure this.
# The build system forces the dependency anyway so we must remove it.
sed -e 's/\(ATK_PACKAGES="atk\) atk-bridge-2.0"/\1"/' \
    -e 's/fribidi >= 0\.19\.7//g' \
    configure > _
mv -f _ configure

# Don't build GTK examples/demos/testsuite.
sed 's/demos tests testsuite examples//;s/docs \(m4macros\)/\1/' Makefile.in > _
mv -f _ Makefile.in

# Build libepoxy for gtk+3's sole use. This is the only package that requires
# the library. While the build system supports building this as a subproject,
# it is broken so we must do it ourselves.
(
    cd libepoxy

    meson \
        --prefix=/usr \
        --sysconfdir=/etc \
        --mandir=/usr/share/man \
        -Ddefault_library=static \
        -Dhas-dlvsym=false \
        -Degl=yes \
        -Dtests=false \
        -Dglx=no \
        -Dx11=false \
        . output

    ninja -C output

    DESTDIR=$PWD ninja -C output install
)

# Point gtk+3 to the vendored libepoxy.
export PKG_CONFIG_PATH=$PWD/libepoxy/usr/lib/pkgconfig
export CFLAGS="$CFLAGS -L$PWD/libepoxy/usr/lib"
export CFLAGS="$CFLAGS -I$PWD/libepoxy/usr/include"

# While gtk+3 supports meson, the meson build is strictly speaking broken.
# It forces X11 in various places and the usage of -Werror causes various build
# failures (which according to upstream should not occur on x86_64).
sh ./configure \
    --prefix=/usr \
    --sysconfdir=/etc \
    --localstatedir=/var \
    --enable-wayland-backend \
    --disable-x11-backend \
    --disable-schemas-compile \
    --disable-cups \
    --disable-papi \
    --disable-cloudprint \
    --disable-glibtest \
    --disable-nls \
    --disable-installed-tests \
    --enable-introspection=no \
    --enable-colord=no \
    --enable-gtk-doc-html=no

make
make install

# GTK+3 on Wayland requires gsettings-desktop-schemas for gsettings to work
# correctly. Under X11 it made use of xsettings but this is no longer the case.
(
    cd schemas

    meson \
        --prefix=/usr \
        -Dintrospection=false \
        . output

    ninja -C output
    ninja -C output install
)

# We don't compile with librsvg which leads to this utility solely causing
# compiler errors for some packages. It has no use at all.
rm -f "$1/usr/bin/gtk-encode-symbolic-svg"

# Remove epoxy references from installed pkg-config files. The build system
# should have done this for us as it is statically linked.
for f in "$1/usr/lib/pkgconfig/"*.pc; do
    sed 's/epoxy >= 1.4//' "$f" > _
    mv -f _ "$f"
done