# ****************************************************************************** # 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. # ****************************************************************************** # Enable ExternalProject CMake module include(ExternalProject) set(EIGEN_GIT_TAG ded1e7b4960f0074fa147a8ed1c9926174958092) set(EIGEN_GIT_URL https://github.com/eigenteam/eigen-git-mirror) #------------------------------------------------------------------------------ # Download Eigen #------------------------------------------------------------------------------ # Revert prior changes to make incremental build work. set(EIGEN_PATCH_REVERT_COMMAND cd ${EXTERNAL_PROJECTS_ROOT}/eigen/src/ext_eigen && git reset HEAD --hard) ExternalProject_Add( ext_eigen PREFIX eigen GIT_REPOSITORY ${EIGEN_GIT_URL} GIT_TAG ${EIGEN_GIT_TAG} UPDATE_COMMAND "" PATCH_COMMAND ${EIGEN_PATCH_REVERT_COMMAND} COMMAND git apply --ignore-space-change --ignore-whitespace ${CMAKE_SOURCE_DIR}/cmake/eigen.patch CONFIGURE_COMMAND "" BUILD_COMMAND "" INSTALL_COMMAND "" EXCLUDE_FROM_ALL TRUE ) #------------------------------------------------------------------------------ ExternalProject_Get_Property(ext_eigen SOURCE_DIR) add_library(libeigen INTERFACE) target_include_directories(libeigen SYSTEM INTERFACE ${SOURCE_DIR}) add_dependencies(libeigen ext_eigen)