forked from lijiext/lammps
29 lines
1.0 KiB
CMake
29 lines
1.0 KiB
CMake
if(PKG_USER-SMD)
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find_package(Eigen3 NO_MODULE)
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if(EIGEN3_FOUND)
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set(DOWNLOAD_EIGEN3_DEFAULT OFF)
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else()
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set(DOWNLOAD_EIGEN3_DEFAULT ON)
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endif()
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option(DOWNLOAD_EIGEN3 "Download Eigen3 instead of using an already installed one)" ${DOWNLOAD_EIGEN3_DEFAULT})
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if(DOWNLOAD_EIGEN3)
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message(STATUS "Eigen3 download requested - we will build our own")
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include(ExternalProject)
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ExternalProject_Add(Eigen3_build
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URL http://bitbucket.org/eigen/eigen/get/3.3.7.tar.gz
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URL_MD5 f2a417d083fe8ca4b8ed2bc613d20f07
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CONFIGURE_COMMAND "" BUILD_COMMAND "" INSTALL_COMMAND ""
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)
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ExternalProject_get_property(Eigen3_build SOURCE_DIR)
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set(EIGEN3_INCLUDE_DIR ${SOURCE_DIR})
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list(APPEND LAMMPS_DEPS Eigen3_build)
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else()
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find_package(Eigen3 NO_MODULE)
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mark_as_advanced(Eigen3_DIR)
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if(NOT EIGEN3_FOUND)
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message(FATAL_ERROR "Eigen3 not found, help CMake to find it by setting EIGEN3_INCLUDE_DIR, or set DOWNLOAD_EIGEN3=ON to download it")
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endif()
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endif()
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include_directories(${EIGEN3_INCLUDE_DIR})
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endif()
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