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73 lines
2.6 KiB
73 lines
2.6 KiB
#
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# Copyright 2020 Adobe. All rights reserved.
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# This file is licensed to you under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License. You may obtain a copy
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# of the License at http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software distributed under
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# the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
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# OF ANY KIND, either express or implied. See the License for the specific language
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# governing permissions and limitations under the License.
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#
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if(TARGET Eigen3::Eigen)
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return()
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endif()
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option(EIGEN_WITH_MKL "Use Eigen with MKL" OFF)
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if(EIGEN_ROOT)
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message(STATUS "Third-party: creating target 'Eigen3::Eigen' for external path: ${EIGEN_ROOT}")
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set(EIGEN_INCLUDE_DIRS ${EIGEN_ROOT})
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else()
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message(STATUS "Third-party: creating target 'Eigen3::Eigen'")
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include(FetchContent)
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FetchContent_Declare(
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eigen
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GIT_REPOSITORY https://gitlab.com/libeigen/eigen.git
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GIT_TAG 3.4
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GIT_SHALLOW TRUE
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)
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FetchContent_GetProperties(eigen)
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if(NOT eigen_POPULATED)
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FetchContent_Populate(eigen)
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endif()
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set(EIGEN_INCLUDE_DIRS ${eigen_SOURCE_DIR})
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install(DIRECTORY ${EIGEN_INCLUDE_DIRS}/Eigen
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DESTINATION include
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)
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endif()
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add_library(Eigen3_Eigen INTERFACE)
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add_library(Eigen3::Eigen ALIAS Eigen3_Eigen)
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include(GNUInstallDirs)
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target_include_directories(Eigen3_Eigen SYSTEM INTERFACE
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$<BUILD_INTERFACE:${EIGEN_INCLUDE_DIRS}>
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$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
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)
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# target_compile_definitions(Eigen3_Eigen INTERFACE EIGEN_MPL2_ONLY)
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if(EIGEN_WITH_MKL)
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# TODO: Checks that, on 64bits systems, `mkl::mkl` is using the LP64 interface
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# (by looking at the compile definition of the target)
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include(mkl)
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target_link_libraries(Eigen3_Eigen INTERFACE mkl::mkl)
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target_compile_definitions(Eigen3_Eigen INTERFACE
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EIGEN_USE_MKL_ALL
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EIGEN_USE_LAPACKE_STRICT
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)
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endif()
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# On Windows, enable natvis files to improve debugging experience
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if(WIN32 AND eigen_SOURCE_DIR)
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target_sources(Eigen3_Eigen INTERFACE $<BUILD_INTERFACE:${eigen_SOURCE_DIR}/debug/msvc/eigen.natvis>)
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endif()
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# Install rules
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set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME eigen)
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set_target_properties(Eigen3_Eigen PROPERTIES EXPORT_NAME Eigen)
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install(DIRECTORY ${EIGEN_INCLUDE_DIRS} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
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install(TARGETS Eigen3_Eigen EXPORT Eigen_Targets)
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install(EXPORT Eigen_Targets DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/eigen NAMESPACE Eigen3::)
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