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cmake_minimum_required(VERSION 2.8)
project(Libnest2D)
enable_testing()
if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
# Update if necessary
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-long-long ")
endif()
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED)
# Add our own cmake module path.
list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake_modules/)
option(LIBNEST2D_UNITTESTS "If enabled, googletest framework will be downloaded
and the provided unit tests will be included in the build." OFF)
option(LIBNEST2D_BUILD_EXAMPLES "If enabled, examples will be built." OFF)
set(LIBNEST2D_GEOMETRIES_BACKEND "clipper" CACHE STRING
"Build libnest2d with geometry classes implemented by the chosen backend.")
set(LIBNEST2D_OPTIMIZER_BACKEND "nlopt" CACHE STRING
"Build libnest2d with optimization features implemented by the chosen backend.")
set(LIBNEST2D_SRCFILES
${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/libnest2d.hpp # Templates only
${CMAKE_CURRENT_SOURCE_DIR}/libnest2d.h # Exports ready made types using template arguments
${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/geometry_traits.hpp
${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/common.hpp
${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/optimizer.hpp
${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/placers/placer_boilerplate.hpp
${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/placers/bottomleftplacer.hpp
${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/placers/nfpplacer.hpp
${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/geometry_traits_nfp.hpp
${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/selections/selection_boilerplate.hpp
${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/selections/filler.hpp
${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/selections/firstfit.hpp
${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/selections/djd_heuristic.hpp
)
set(LIBNEST2D_LIBRARIES "")
set(LIBNEST2D_HEADERS ${CMAKE_CURRENT_SOURCE_DIR})
if(LIBNEST2D_GEOMETRIES_BACKEND STREQUAL "clipper")
# Clipper backend is not enough on its own, it still needs some functions
# from Boost geometry
if(NOT Boost_INCLUDE_DIRS_FOUND)
find_package(Boost 1.58 REQUIRED)
# TODO automatic download of boost geometry headers
endif()
add_subdirectory(libnest2d/clipper_backend)
include_directories(BEFORE ${CLIPPER_INCLUDE_DIRS})
include_directories(${Boost_INCLUDE_DIRS})
list(APPEND LIBNEST2D_SRCFILES ${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/clipper_backend/clipper_backend.cpp
${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/clipper_backend/clipper_backend.hpp
${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/boost_alg.hpp)
list(APPEND LIBNEST2D_LIBRARIES ${CLIPPER_LIBRARIES})
list(APPEND LIBNEST2D_HEADERS ${CLIPPER_INCLUDE_DIRS}
${Boost_INCLUDE_DIRS_FOUND})
endif()
if(LIBNEST2D_OPTIMIZER_BACKEND STREQUAL "nlopt")
find_package(NLopt 1.4)
if(NOT NLopt_FOUND)
message(STATUS "NLopt not found so downloading "
"and automatic build is performed...")
include(DownloadNLopt)
endif()
find_package(Threads REQUIRED)
list(APPEND LIBNEST2D_SRCFILES ${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/optimizers/simplex.hpp
${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/optimizers/subplex.hpp
${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/optimizers/genetic.hpp
${CMAKE_CURRENT_SOURCE_DIR}/libnest2d/optimizers/nlopt_boilerplate.hpp)
list(APPEND LIBNEST2D_LIBRARIES ${NLopt_LIBS}
# Threads::Threads
)
list(APPEND LIBNEST2D_HEADERS ${NLopt_INCLUDE_DIR})
endif()
# Currently we are outsourcing the non-convex NFP implementation from
# libnfporb and it needs libgmp to work
#find_package(GMP)
#if(GMP_FOUND)
# list(APPEND LIBNEST2D_LIBRARIES ${GMP_LIBRARIES})
# list(APPEND LIBNEST2D_HEADERS ${GMP_INCLUDE_DIR})
# add_definitions(-DLIBNFP_USE_RATIONAL)
#endif()
if(LIBNEST2D_UNITTESTS)
add_subdirectory(tests)
endif()
if(LIBNEST2D_BUILD_EXAMPLES)
add_executable(example examples/main.cpp
# tools/libnfpglue.hpp
# tools/libnfpglue.cpp
tools/svgtools.hpp
tests/printer_parts.cpp
tests/printer_parts.h
${LIBNEST2D_SRCFILES})
target_link_libraries(example ${LIBNEST2D_LIBRARIES})
target_include_directories(example PUBLIC ${LIBNEST2D_HEADERS})
endif()
get_directory_property(hasParent PARENT_DIRECTORY)
if(hasParent)
set(LIBNEST2D_INCLUDES ${LIBNEST2D_HEADERS} PARENT_SCOPE)
set(LIBNEST2D_LIBRARIES ${LIBNEST2D_LIBRARIES} PARENT_SCOPE)
endif()
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