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# SPDX-License-Identifier: GPL-2.0-or-later
set(MESA_CFLAGS "-static-libgcc")
set(MESA_CXXFLAGS "-static-libgcc -static-libstdc++ -Bstatic -lstdc++ -Bdynamic -l:libstdc++.a")
set(MESA_LDFLAGS "-L${LIBDIR}/zlib/lib -pthread -static-libgcc -static-libstdc++ -Bstatic -lstdc++ -Bdynamic -l:libstdc++.a -l:libz_pic.a")
# The 'native-file', used for overrides with the meson build system.
# meson does not provide a way to do this using command line arguments.
#
# Note that we can't output to "${BUILD_DIR}/mesa/src/external_mesa" as
# it doesn't exist when CMake first executes.
file(WRITE ${BUILD_DIR}/mesa/tmp/native-file.ini "\
[binaries]
llvm-config = '${LIBDIR}/llvm/bin/llvm-config'"
)
set(MESA_EXTRA_FLAGS
-Dbuildtype=release
-Dc_args=${MESA_CFLAGS}
-Dcpp_args=${MESA_CXXFLAGS}
-Dc_link_args=${MESA_LDFLAGS}
-Dcpp_link_args=${MESA_LDFLAGS}
-Dglx=gallium-xlib
-Dgallium-drivers=swrast
-Ddri-drivers=
-Dvulkan-drivers=
-Dgbm=disabled
-Degl=disabled
-Dgles1=disabled
-Dgles2=disabled
-Dshared-llvm=disabled
# Without this, the build fails when: `wayland-scanner` is not found.
# At some point we will likely want to support Wayland.
# Disable for now since it's not officially supported.
-Dplatforms=x11
--native-file ${BUILD_DIR}/mesa/tmp/native-file.ini
)
ExternalProject_Add(external_mesa
URL file://${PACKAGE_DIR}/${MESA_FILE}
DOWNLOAD_DIR ${DOWNLOAD_DIR}
URL_HASH ${MESA_HASH_TYPE}=${MESA_HASH}
PREFIX ${BUILD_DIR}/mesa
CONFIGURE_COMMAND ${CONFIGURE_ENV} &&
cd ${BUILD_DIR}/mesa/src/external_mesa/ &&
meson ${BUILD_DIR}/mesa/src/external_mesa-build --prefix=${LIBDIR}/mesa ${MESA_EXTRA_FLAGS}
BUILD_COMMAND ${CONFIGURE_ENV} && cd ${BUILD_DIR}/mesa/src/external_mesa-build && ninja -j${MAKE_THREADS}
INSTALL_COMMAND ${CONFIGURE_ENV} && cd ${BUILD_DIR}/mesa/src/external_mesa-build && ninja install
INSTALL_DIR ${LIBDIR}/mesa
)
add_dependencies(
external_mesa
ll
)
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