external_eigen.cmake 2.8 KB
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# ******************************************************************************
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# Copyright 2017-2018 Intel Corporation
#
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# 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
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#
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#     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 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.
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# ******************************************************************************
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# Enable ExternalProject CMake module
include(ExternalProject)

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set(EIGEN_GIT_TAG d608d9f3f577118981acbdd40da9dcf6b514668a)
set(EIGEN_GIT_URL https://github.com/jmenon/eigen)
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#----------------------------------------------------------------------------------------------------------
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# Download and install Eigen
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#----------------------------------------------------------------------------------------------------------

# The 'BUILD_BYPRODUCTS' argument was introduced in CMake 3.2.
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if (${CMAKE_VERSION} VERSION_LESS 3.2)
    ExternalProject_Add(
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        ext_eigen
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        GIT_REPOSITORY ${EIGEN_GIT_URL}
        GIT_TAG ${EIGEN_GIT_TAG}
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        UPDATE_COMMAND ""
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        CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${EXTERNAL_PROJECTS_ROOT}/eigen -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
        TMP_DIR "${EXTERNAL_PROJECTS_ROOT}/eigen/tmp"
        STAMP_DIR "${EXTERNAL_PROJECTS_ROOT}/eigen/stamp"
        DOWNLOAD_DIR "${EXTERNAL_PROJECTS_ROOT}/eigen/download"
        SOURCE_DIR "${EXTERNAL_PROJECTS_ROOT}/eigen/src"
        BINARY_DIR "${EXTERNAL_PROJECTS_ROOT}/eigen/build"
        INSTALL_DIR "${EXTERNAL_PROJECTS_ROOT}/eigen"
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        )
else()
    ExternalProject_Add(
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        ext_eigen
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        GIT_REPOSITORY ${EIGEN_GIT_URL}
        GIT_TAG ${EIGEN_GIT_TAG}
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        UPDATE_COMMAND ""
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        CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${EXTERNAL_PROJECTS_ROOT}/eigen -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
        TMP_DIR "${EXTERNAL_PROJECTS_ROOT}/eigen/tmp"
        STAMP_DIR "${EXTERNAL_PROJECTS_ROOT}/eigen/stamp"
        DOWNLOAD_DIR "${EXTERNAL_PROJECTS_ROOT}/eigen/download"
        SOURCE_DIR "${EXTERNAL_PROJECTS_ROOT}/eigen/src"
        BINARY_DIR "${EXTERNAL_PROJECTS_ROOT}/eigen/build"
        INSTALL_DIR "${EXTERNAL_PROJECTS_ROOT}/eigen"
        BUILD_BYPRODUCTS "${EXTERNAL_PROJECTS_ROOT}/eigen/include/eigen3"
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        )
endif()
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#----------------------------------------------------------------------------------------------------------

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set(EIGEN_INCLUDE_DIR "${EXTERNAL_PROJECTS_ROOT}/eigen/include/eigen3" PARENT_SCOPE)