43 lines
1.7 KiB
CMake
43 lines
1.7 KiB
CMake
if(PKG_VORONOI)
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find_package(VORO)
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if(VORO_FOUND)
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set(DOWNLOAD_VORO_DEFAULT OFF)
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else()
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set(DOWNLOAD_VORO_DEFAULT ON)
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endif()
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option(DOWNLOAD_VORO "Download and compile the Voro++ library instead of using an already installed one" ${DOWNLOAD_VORO_DEFAULT})
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if(DOWNLOAD_VORO)
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message(STATUS "Voro++ download requested - we will build our own")
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include(ExternalProject)
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if(BUILD_SHARED_LIBS)
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set(VORO_BUILD_CFLAGS "${CMAKE_SHARED_LIBRARY_CXX_FLAGS} ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${BTYPE}}")
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else()
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set(VORO_BUILD_CFLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${BTYPE}}")
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endif()
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if(APPLE)
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get_filename_component(VORO_CXX ${CMAKE_CXX_COMPILER} NAME_WE)
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set(VORO_BUILD_OPTIONS CXX=${VORO_CXX} CFLAGS=${VORO_BUILD_CFLAGS})
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else()
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set(VORO_BUILD_OPTIONS CXX=${CMAKE_CXX_COMPILER} CFLAGS=${VORO_BUILD_CFLAGS})
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endif()
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ExternalProject_Add(voro_build
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URL https://download.lammps.org/thirdparty/voro++-0.4.6.tar.gz
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URL_MD5 2338b824c3b7b25590e18e8df5d68af9
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CONFIGURE_COMMAND "" BUILD_COMMAND make ${VORO_BUILD_OPTIONS} BUILD_IN_SOURCE 1 INSTALL_COMMAND ""
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BUILD_BYPRODUCTS <SOURCE_DIR>/src/libvoro++.a
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)
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ExternalProject_get_property(voro_build SOURCE_DIR)
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target_link_libraries(lammps PRIVATE ${SOURCE_DIR}/src/libvoro++.a)
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target_include_directories(lammps PRIVATE ${SOURCE_DIR}/src)
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add_dependencies(lammps voro_build)
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else()
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find_package(VORO)
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if(NOT VORO_FOUND)
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message(FATAL_ERROR "Voro++ library not found. Help CMake to find it by setting VORO_LIBRARY and VORO_INCLUDE_DIR, or set DOWNLOAD_VORO=ON to download it")
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endif()
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target_link_libraries(lammps PRIVATE VORO::VORO)
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endif()
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endif()
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