46 lines
1.8 KiB
CMake
46 lines
1.8 KiB
CMake
if(PKG_MSCG)
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find_package(GSL REQUIRED)
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find_package(MSCG QUIET)
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if(MSGC_FOUND)
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set(DOWNLOAD_MSCG_DEFAULT OFF)
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else()
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set(DOWNLOAD_MSCG_DEFAULT ON)
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endif()
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option(DOWNLOAD_MSCG "Download MSCG library instead of using an already installed one)" ${DOWNLOAD_MSCG_DEFAULT})
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if(DOWNLOAD_MSCG)
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if (CMAKE_VERSION VERSION_LESS "3.7") # due to SOURCE_SUBDIR
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message(FATAL_ERROR "For downlading MSCG you need at least cmake-3.7")
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endif()
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if(CMAKE_GENERATOR STREQUAL "Ninja")
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message(FATAL_ERROR "Cannot build downloaded MSCG library with Ninja build tool")
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endif()
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include(ExternalProject)
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if(NOT LAPACK_FOUND)
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set(EXTRA_MSCG_OPTS "-DLAPACK_LIBRARIES=${CMAKE_CURRENT_BINARY_DIR}/liblinalg.a")
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endif()
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ExternalProject_Add(mscg_build
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URL https://github.com/uchicago-voth/MSCG-release/archive/1.7.3.1.tar.gz
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URL_MD5 8c45e269ee13f60b303edd7823866a91
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SOURCE_SUBDIR src/CMake
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CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=<INSTALL_DIR> ${CMAKE_REQUEST_PIC} ${EXTRA_MSCG_OPTS}
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BUILD_COMMAND make mscg INSTALL_COMMAND ""
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)
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ExternalProject_get_property(mscg_build BINARY_DIR)
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set(MSCG_LIBRARIES ${BINARY_DIR}/libmscg.a)
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ExternalProject_get_property(mscg_build SOURCE_DIR)
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set(MSCG_INCLUDE_DIRS ${SOURCE_DIR}/src)
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list(APPEND LAMMPS_DEPS mscg_build)
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if(NOT LAPACK_FOUND)
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file(MAKE_DIRECTORY ${MSCG_INCLUDE_DIRS})
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add_dependencies(mscg_build linalg)
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endif()
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else()
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find_package(MSCG)
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if(NOT MSCG_FOUND)
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message(FATAL_ERROR "MSCG not found, help CMake to find it by setting MSCG_LIBRARY and MSCG_INCLUDE_DIRS, or set DOWNLOAD_MSCG=ON to download it")
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endif()
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endif()
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list(APPEND LAMMPS_LINK_LIBS ${MSCG_LIBRARIES} ${GSL_LIBRARIES} ${LAPACK_LIBRARIES})
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include_directories(${MSCG_INCLUDE_DIRS})
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endif()
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