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# SPDX-License-Identifier: GPL-2.0-or-later
if(WIN32)
set(LLVM_GENERATOR "Ninja")
else()
set(LLVM_GENERATOR "Unix Makefiles")
endif()
set(DPCPP_CONFIGURE_ARGS
# When external deps dpcpp needs are not found it will automatically
# download the during the configure stage using FetchContent. Given
# we need to keep an archive of all source used during build for compliance
# reasons it CANNOT download anything we do not know about. By setting
# this property to ON, all downloads are disabled, and we will have to
# provide the missing deps some other way, a build error beats a compliance
# violation
--cmake-opt FETCHCONTENT_FULLY_DISCONNECTED=ON
)
set(DPCPP_SOURCE_ROOT ${BUILD_DIR}/dpcpp/src/external_dpcpp/)
set(DPCPP_EXTRA_ARGS
# When external deps dpcpp needs are not found it will automatically
# download the during the configure stage using FetchContent. Given
# we need to keep an archive of all source used during build for compliance
# reasons it CANNOT download anything we do not know about. By setting
# this property to ON, all downloads are disabled, and we will have to
# provide the missing deps some other way, a build or configure error
# beats a compliance violation
-DFETCHCONTENT_FULLY_DISCONNECTED=ON
-DLLVMGenXIntrinsics_SOURCE_DIR=${BUILD_DIR}/vcintrinsics/src/external_vcintrinsics/
-DOpenCL_HEADERS=file://${PACKAGE_DIR}/${OPENCLHEADERS_FILE}
-DOpenCL_LIBRARY_SRC=file://${PACKAGE_DIR}/${ICDLOADER_FILE}
-DBOOST_MP11_SOURCE_DIR=${BUILD_DIR}/mp11/src/external_mp11/
-DLEVEL_ZERO_LIBRARY=${LIBDIR}/level-zero/lib/${LIBPREFIX}ze_loader${SHAREDLIBEXT}
-DLEVEL_ZERO_INCLUDE_DIR=${LIBDIR}/level-zero/include
-DLLVM_EXTERNAL_SPIRV_HEADERS_SOURCE_DIR=${BUILD_DIR}/spirvheaders/src/external_spirvheaders/
# Below here is copied from an invocation of buildbot/config.py
-DLLVM_ENABLE_ASSERTIONS=ON
-DLLVM_TARGETS_TO_BUILD=X86
-DLLVM_EXTERNAL_PROJECTS=sycl^^llvm-spirv^^opencl^^libdevice^^xpti^^xptifw
-DLLVM_EXTERNAL_SYCL_SOURCE_DIR=${DPCPP_SOURCE_ROOT}/sycl
-DLLVM_EXTERNAL_LLVM_SPIRV_SOURCE_DIR=${DPCPP_SOURCE_ROOT}/llvm-spirv
-DLLVM_EXTERNAL_XPTI_SOURCE_DIR=${DPCPP_SOURCE_ROOT}/xpti
-DXPTI_SOURCE_DIR=${DPCPP_SOURCE_ROOT}/xpti
-DLLVM_EXTERNAL_XPTIFW_SOURCE_DIR=${DPCPP_SOURCE_ROOT}/xptifw
-DLLVM_EXTERNAL_LIBDEVICE_SOURCE_DIR=${DPCPP_SOURCE_ROOT}/libdevice
-DLLVM_ENABLE_PROJECTS=clang^^sycl^^llvm-spirv^^opencl^^libdevice^^xpti^^xptifw
-DLIBCLC_TARGETS_TO_BUILD=
-DLIBCLC_GENERATE_REMANGLED_VARIANTS=OFF
-DSYCL_BUILD_PI_HIP_PLATFORM=AMD
-DLLVM_BUILD_TOOLS=ON
-DSYCL_ENABLE_WERROR=OFF
-DSYCL_INCLUDE_TESTS=ON
-DLLVM_ENABLE_DOXYGEN=OFF
-DLLVM_ENABLE_SPHINX=OFF
-DBUILD_SHARED_LIBS=OFF
-DSYCL_ENABLE_XPTI_TRACING=ON
-DLLVM_ENABLE_LLD=OFF
-DXPTI_ENABLE_WERROR=OFF
-DSYCL_CLANG_EXTRA_FLAGS=
-DSYCL_ENABLE_PLUGINS=level_zero
-DCMAKE_INSTALL_RPATH=\$ORIGIN
-DPython3_ROOT_DIR=${LIBDIR}/python/
-DPython3_EXECUTABLE=${PYTHON_BINARY}
-DPYTHON_EXECUTABLE=${PYTHON_BINARY}
-DLLDB_ENABLE_CURSES=OFF
-DLLVM_ENABLE_TERMINFO=OFF
)
if(WIN32)
list(APPEND DPCPP_EXTRA_ARGS -DPython3_FIND_REGISTRY=NEVER)
endif()
ExternalProject_Add(external_dpcpp
URL file://${PACKAGE_DIR}/${DPCPP_FILE}
DOWNLOAD_DIR ${DOWNLOAD_DIR}
URL_HASH ${DPCPP_HASH_TYPE}=${DPCPP_HASH}
PREFIX ${BUILD_DIR}/dpcpp
CMAKE_GENERATOR ${LLVM_GENERATOR}
SOURCE_SUBDIR llvm
LIST_SEPARATOR ^^
CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${LIBDIR}/dpcpp ${DEFAULT_CMAKE_FLAGS} ${DPCPP_EXTRA_ARGS}
#CONFIGURE_COMMAND ${PYTHON_BINARY} ${BUILD_DIR}/dpcpp/src/external_dpcpp/buildbot/configure.py ${DPCPP_CONFIGURE_ARGS}
#BUILD_COMMAND echo "." #${PYTHON_BINARY} ${BUILD_DIR}/dpcpp/src/external_dpcpp/buildbot/compile.py
INSTALL_COMMAND ${CMAKE_COMMAND} --build . -- deploy-sycl-toolchain
PATCH_COMMAND ${PATCH_CMD} -p 1 -d ${BUILD_DIR}/dpcpp/src/external_dpcpp < ${PATCH_DIR}/dpcpp.diff
INSTALL_DIR ${LIBDIR}/dpcpp
)
add_dependencies(
external_dpcpp
external_python
external_python_site_packages
external_vcintrinsics
external_openclheaders
external_icdloader
external_mp11
external_level-zero
external_spirvheaders
)
if(BUILD_MODE STREQUAL Release AND WIN32)
ExternalProject_Add_Step(external_dpcpp after_install
COMMAND ${CMAKE_COMMAND} -E rm -f ${LIBDIR}/dpcpp/bin/clang-cl.exe
COMMAND ${CMAKE_COMMAND} -E rm -f ${LIBDIR}/dpcpp/bin/clang-cpp.exe
COMMAND ${CMAKE_COMMAND} -E rm -f ${LIBDIR}/dpcpp/bin/clang.exe
COMMAND ${CMAKE_COMMAND} -E copy_directory ${LIBDIR}/dpcpp ${HARVEST_TARGET}/dpcpp
)
endif()
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