eigen.cmake 904 字节
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INCLUDE(ExternalProject)

SET(EIGEN_SOURCE_DIR ${THIRD_PARTY_PATH}/eigen3)
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SET(EIGEN_INCLUDE_DIR ${EIGEN_SOURCE_DIR}/src/extern_eigen3)
INCLUDE_DIRECTORIES(${EIGEN_INCLUDE_DIR})
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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         70661066beef694cadf6c304d0d07e0758825c10
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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)
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    file(WRITE ${dummyfile} "const char *dummy_eigen3 = \"${dummyfile}\";")
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    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)