lammps/cmake/Modules/Packages/VORONOI.cmake

46 lines
1.8 KiB
CMake

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