mesa-build-override

#!/bin/sh -e

# Install python-mako which is solely needed for mesa
# and thus contained in this build.
{
    cd mako

    python3 setup.py build
    python3 setup.py install \
        --prefix=/usr \
        --root="$PWD/dist"

    # Use a glob to avoid having to figure out the Python
    # version for the path below.
    cd dist/usr/lib/python*/site-packages

    # Set the PYTHONPATH so python knows where to find mako.
    # The one liner simply appends the existing path and
    # handles the case where an unset PYTHONPATH breaks
    # python as it will only contain our new addition.
    PYTHONPATH=$PWD:$(python -c "import sys; print(':'.join(sys.path))")

    cd -; cd ..
}

export PYTHONPATH
export DESTDIR="$1"
export CFLAGS="$CFLAGS -DGLX_X86_READONLY_TEXT"

# Fix issues with musl and firefox.
# https://bugs.freedesktop.org/show_bug.cgi?id=35268
# https://github.com/mesa3d/mesa/commit/9f37c9903b87f86a533bfaffa72f0ecb285b02b2
sed -i "/pre_args += '-DUSE_ELF_TLS'/d" meson.build

python3 bin/git_sha1_gen.py --output include/git_sha1.h

meson \
    --prefix=/usr \
    --sysconfdir=/etc \
    --mandir=/usr/share/man \
    --localstatedir=/var \
    --buildtype=release \
    -Dgbm=enabled \
    -Dglvnd=true \
    -Dplatforms=wayland \
    -Dzstd=disabled \
    -Ddri-drivers=nouveau \
    -Dgallium-drivers="" \
    -Dvulkan-drivers="" \
    -Dglx=disabled \
    -Dgles1=disabled \
    -Dgles2=disabled \
    . output

ninja -C output
ninja -C output install