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# ******************************************************************************
# Copyright 2017-2019 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ******************************************************************************
include(ExternalProject)
set(MLIR_LLVM_REPO_URL https://github.com/llvm/llvm-project.git)
set(MLIR_REPO_URL https://github.com/tensorflow/mlir.git)
# Change these commit IDs to move to latest stable versions
set(MLIR_LLVM_COMMIT_ID bb2b527)
set(MLIR_COMMIT_ID 49f7efc)
set(MLIR_PROJECT_ROOT ${CMAKE_CURRENT_BINARY_DIR}/mlir_project)
set(MLIR_LLVM_ROOT ${MLIR_PROJECT_ROOT}/llvm-projects)
set(MLIR_SOURCE_DIR ${MLIR_LLVM_ROOT}/llvm/projects/mlir)
set(MLIR_BUILD_DIR ${MLIR_LLVM_ROOT}/build)
# MLIR has to be pre-built before ngraph build starts
# this will clone and build MLIR during cmake config instead
configure_file(${CMAKE_SOURCE_DIR}/cmake/mlir_fetch.cmake.in ${MLIR_PROJECT_ROOT}/CMakeLists.txt)
execute_process(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
WORKING_DIRECTORY "${MLIR_PROJECT_ROOT}")
# clone and build llvm
execute_process(COMMAND "${CMAKE_COMMAND}" --build . --target ext_mlir_llvm
WORKING_DIRECTORY "${MLIR_PROJECT_ROOT}")
# clone and build mlir
execute_process(COMMAND "${CMAKE_COMMAND}" --build . --target ext_mlir
WORKING_DIRECTORY "${MLIR_PROJECT_ROOT}")
# point find_package to the pre-built libs
set(LLVM_DIR ${MLIR_LLVM_ROOT}/build/lib/cmake/llvm)
set(MLIR_SRC_INCLUDE_PATH ${MLIR_SOURCE_DIR}/include)
set(MLIR_BIN_INCLUDE_PATH ${MLIR_BUILD_DIR}/projects/mlir/include)
set(MLIR_INCLUDE_PATHS ${MLIR_SRC_INCLUDE_PATH};${MLIR_BIN_INCLUDE_PATH})