eigen.cmake 862 字节
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INCLUDE(ExternalProject)

SET(EIGEN_SOURCE_DIR ${THIRD_PARTY_PATH}/eigen3)

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INCLUDE_DIRECTORIES(${EIGEN_SOURCE_DIR}/src/extern_eigen3)
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ExternalProject_Add(
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    extern_eigen3
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    ${EXTERNAL_PROJECT_LOG_ARGS}
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    GIT_REPOSITORY  "https://github.com/RLovelett/eigen.git"
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    GIT_TAG         4e79cb69b9425f5f8c3a84be4350d4ab75b5fd9d
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    PREFIX          ${EIGEN_SOURCE_DIR}
    UPDATE_COMMAND  ""
    CONFIGURE_COMMAND ""
    BUILD_COMMAND     ""
    INSTALL_COMMAND   ""
    TEST_COMMAND      ""
)

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if (${CMAKE_VERSION} VERSION_LESS "3.3.0")
    set(dummyfile ${CMAKE_CURRENT_BINARY_DIR}/eigen3_dummy.c)
    file(WRITE ${dummyfile} "const char * dummy_eigen3 = \"${dummyfile}\";")
    add_library(eigen3 STATIC ${dummyfile})
else()
    add_library(eigen3 INTERFACE)
endif()
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add_dependencies(eigen3 extern_eigen3)

LIST(APPEND external_project_dependencies eigen3)