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CMakeLists.txt
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CMakeLists.txt
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#The CMake Minimum version that is required.
cmake_minimum_required(VERSION 3.10)
set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/;${CMAKE_MODULE_PATH}")
message(STATUS "Module path is now set to: " ${CMAKE_MODULE_PATH} )
#The name of the project ===============================================
set(ApproxMVBBProjectName "ApproxMVBB")
if(${CMAKE_GENERATOR} MATCHES "Unix Makefiles")
set(ApproxMVBBProjectName "${ApproxMVBBProjectName}-${PROJECTNAMEPREFIX}")
endif()
message(STATUS "Project name is: " ${ApproxMVBBProjectName})
project(${ApproxMVBBProjectName} LANGUAGES CXX C)
set(ApproxMVBB_BINARY_DIR ${PROJECT_BINARY_DIR})
set(ApproxMVBB_ROOT_DIR ${PROJECT_SOURCE_DIR})
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_VERBOSE_MAKEFILE ON)
# PRECISION ISSUES =====================================================
# From http://christian-seiler.de/projekte/fpmath/
#x86 platforms support two types of floating point instruction sets nowadays:
#The classical x87 floating point unit and the new MMX/SSE instructions that can even perform parallel calculations.
#The characteristics of the x87 FPU are:
#Different instructions for loading and storing different types of floating point numbers from and to memory.
#A single instruction set for performing calculations.
#An internal precision with which all calculations are done.
#Instructions to change the internal precision
#Support for single, double and double-extended precision.
#The characteristics of the MMX/SSE instructions are:
#Different instructions for loading and storing different types of floating point numbers from and to memory.
#Different instructions for performing caluclations depending on the data types in the registers.
#Calculation precision is dependent on operhand types.
#Supports only single and double precision
#Support for parallel computation.
# What we wont in this library is, only the GeometricPredicates need "double precision" (not extended precision)
# That means either by using only sse instruction set this is enforced or by manually setting the FPU unit to double precision
# so far we manually set it to double precision in the Predicates,
# on Windows (64bit) we cannot change FPU precision, so we use the sse flag to ensure only "double precision"
#=======================================================================
# Add the ccache to the build system
if(${CMAKE_GENERATOR} MATCHES "Unix Makefiles")
find_program(CCACHE_FOUND ccache)
if(CCACHE_FOUND)
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
endif(CCACHE_FOUND)
endif()
#Add some multithreaded build support ==================================
mark_as_advanced(MULTITHREADED_BUILD)
set(MULTITHREADED_BUILD ON CACHE BOOL "Parallel build with as many threads as possible!")
if(MULTITHREADED_BUILD)
if(${CMAKE_GENERATOR} MATCHES "Unix Makefiles")
file(COPY ${ApproxMVBB_ROOT_DIR}/cmake/parallelmake.sh DESTINATION ${PROJECT_BINARY_DIR}
FILE_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
NO_SOURCE_PERMISSIONS
)
set(CMAKE_MAKE_PROGRAM "${PROJECT_BINARY_DIR}/parallelmake.sh")
message(STATUS "Set make program to ${PROJECT_BINARY_DIR}/parallelmake.sh")
elseif(MSVC)
add_definitions("/MP")
message(STATUS "Added parallel build arguments to CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS}")
endif()
endif()
# ======================================================================
#Optional Stuff ========================================================
mark_as_advanced( CMAKE_DEBUG_POSTFIX )
set(CMAKE_DEBUG_POSTFIX "-dbg" CACHE STRING "Debug postfix for library/executable")
mark_as_advanced(ApproxMVBB_BUILD_LIBRARY )
set(ApproxMVBB_BUILD_LIBRARY ON CACHE BOOL "Build a shared library")
mark_as_advanced(ApproxMVBB_BUILD_TESTS)
set(ApproxMVBB_BUILD_TESTS ON CACHE BOOL "Build the tests")
mark_as_advanced(ApproxMVBB_BUILD_BENCHMARKS)
set(ApproxMVBB_BUILD_BENCHMARKS OFF CACHE BOOL "Build the benchmarks (only meaningful in Release!)")
mark_as_advanced(ApproxMVBB_BUILD_EXAMPLE )
set(ApproxMVBB_BUILD_EXAMPLE ON CACHE BOOL "Build the example, the library is automatically built if this is true")
mark_as_advanced(ApproxMVBB_FORCE_MSGLOG_LEVEL)
set(ApproxMVBB_FORCE_MSGLOG_LEVEL "-1" CACHE STRING "Force the message log level (0-3), -1 = use debug/release settings in LogDefines.hpp!")
mark_as_advanced(ApproxMVBB_USE_OPENMP)
set(ApproxMVBB_USE_OPENMP ON CACHE BOOL "Try to use OpenMp for parallel speedup")
mark_as_advanced(ApproxMVBB_BUILD_LIBRARY_STATIC )
set(ApproxMVBB_BUILD_LIBRARY_STATIC OFF CACHE BOOL "Build a static library")
mark_as_advanced(ApproxMVBB_KDTREE_SUPPORT )
set(ApproxMVBB_KDTREE_SUPPORT ON CACHE BOOL "Build library with KDTree support.")
mark_as_advanced(ApproxMVBB_XML_SUPPORT )
set(ApproxMVBB_XML_SUPPORT OFF CACHE BOOL "Build library with XML support.")
#=======================================================================
# Dependencies =========================================================
find_package(Eigen3 CONFIG REQUIRED)
add_library(eigenLib INTERFACE IMPORTED)
set_property(TARGET eigenLib PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${EIGEN3_INCLUDE_DIR})
list(APPEND ApproxMVBB_LIBS_DEP_PUBLIC eigenLib)
if(${ApproxMVBB_KDTREE_SUPPORT})
find_package(Meta REQUIRED)
add_library(metaLib INTERFACE IMPORTED)
set_property(TARGET metaLib PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${Meta_INCLUDE_DIR})
if( NOT ${Meta_TARGET} STREQUAL "")
add_dependencies(metaLib ${Meta_TARGET})
endif()
endif()
if(${ApproxMVBB_XML_SUPPORT})
find_package(PugiXML REQUIRED)
endif()
if(ApproxMVBB_USE_OPENMP)
include(ProcessorCount)
ProcessorCount(NPROCESSES)
find_package(OpenMP)
if(OpenMP_FOUND)
list(APPEND ApproxMVBB_LIBS_DEP_PRIVATE OpenMP::OpenMP_CXX)
set(ApproxMVBB_OPENMP_SUPPORT ON)
mark_as_advanced(ApproxMVBB_OPENMP_USE_NTHREADS)
set(ApproxMVBB_OPENMP_USE_NTHREADS OFF CACHE BOOL "If the number of threads should be fixed, otherwise determined at runtime!")
if(ApproxMVBB_OPENMP_USE_NTHREADS)
set(ApproxMVBB_OPENMP_NTHREADS ${NPROCESSES} CACHE STRING "The number of threads to use.")
mark_as_advanced(ApproxMVBB_OPENMP_NTHREADS )
endif()
else()
set(ApproxMVBB_OPENMP_SUPPORT OFF)
endif()
endif()
# ======================================================================
if(ApproxMVBB_BUILD_EXAMPLE)
set(ApproxMVBB_BUILD_LIBRARY On CACHE BOOL "Build a shared library" FORCE)
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MYPROJECT_CXX_FLAGS}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MYPROJECT_CXX_FLAGS}")
message(STATUS "Added '${MYPROJECT_CXX_FLAGS}' to CMAKE_CXX and CMAKE_C_FLAGS: ${CMAKE_CXX_FLAGS} and ${CMAKE_C_FLAGS}")
# Define Install Directories
# Install stuff (default location is not some where on the system! for safty reasons)
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
set(CMAKE_INSTALL_PREFIX "${PROJECT_BINARY_DIR}/install" CACHE STRING "Install prefix (e.g. /usr/local/)" FORCE)
endif()
if(${UNIX})
include(GNUInstallDirs)
set(ApproxMVBB_INC_INSTALL_DIR "${CMAKE_INSTALL_INCLUDEDIR}")
set(ApproxMVBB_RUNTIME_INSTALL_DIR "${CMAKE_INSTALL_BINDIR}")
set(ApproxMVBB_LIBRARY_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}")
set(ApproxMVBB_ARCHIVE_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}")
set(ApproxMVBB_FRAMEWORK_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}")
set(ApproxMVBB_INSTALL_FULL_LIBDIR "${CMAKE_INSTALL_FULL_LIBDIR}")
set(ApproxMVBB_CMAKE_CONFIG_INSTALL_DIR "${CMAKE_INSTALL_DATADIR}/ApproxMVBB/cmake")
set(ApproxMVBB_ADDITIONAL_FILES_INSTALL_DIR "${CMAKE_INSTALL_DATADIR}/ApproxMVBB")
elseif(${WIN32})
set(ApproxMVBB_INC_INSTALL_DIR "${CMAKE_INSTALL_INCLUDEDIR}")
set(ApproxMVBB_RUNTIME_INSTALL_DIR "bin")
set(ApproxMVBB_LIBRARY_INSTALL_DIR "bin")
set(ApproxMVBB_ARCHIVE_INSTALL_DIR "lib")
set(ApproxMVBB_FRAMEWORK_INSTALL_DIR "bin")
set(ApproxMVBB_CMAKE_CONFIG_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/cmake")
set(ApproxMVBB_ADDITIONAL_FILES_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}")
else()
message(FATAL_ERROR "Could not set install folders for this platform!")
endif()
# Define all MVBB Source files
include(SetTargetCompileOptions)
include(DefineApproxMVBBSources)
set(ApproxMVBB_INCLUDE_DIR "${PROJECT_SOURCE_DIR}/include/ApproxMVBB")
set(ApproxMVBB_EXTERNAL_INCLUDE_DIRS "${PROJECT_SOURCE_DIR}/external/Diameter/include/ApproxMVBB"
"${PROJECT_SOURCE_DIR}/external/GeometryPredicates/include/ApproxMVBB")
#Include all relevant sources
include_all_approxmvbb_source(ApproxMVBB_SRC
ApproxMVBB_INC
ApproxMVBB_INC_DIRS
ApproxMVBB_DEPENDING_TARGETS
${PROJECT_SOURCE_DIR} ${ApproxMVBB_BINARY_DIR} )
set(ApproxMVBB_LICENSE_FILE "${CMAKE_CURRENT_SOURCE_DIR}/COPYING")
set(ApproxMVBB_README_FILE "${CMAKE_CURRENT_SOURCE_DIR}/README.md")
message(STATUS "Dependecy Libs (public): ${ApproxMVBB_LIBS_DEP_PUBLIC}")
if(ApproxMVBB_BUILD_LIBRARY)
add_subdirectory(lib)
endif()
if(ApproxMVBB_BUILD_TESTS)
enable_testing()
add_custom_target(build_and_test ${CMAKE_CTEST_COMMAND} "--output-on-failure")
add_subdirectory(tests)
endif()
if(ApproxMVBB_BUILD_BENCHMARKS)
add_subdirectory(benchmarks)
endif()
if(ApproxMVBB_BUILD_EXAMPLE)
add_subdirectory(example)
endif()