SuperSlicer/CMakeLists.txt

cmake_minimum_required(VERSION 3.13)
project(Slic3r)

include("version.inc")
include(GNUInstallDirs)

set(SLIC3R_RESOURCES_DIR "${CMAKE_CURRENT_SOURCE_DIR}/resources")
file(TO_NATIVE_PATH "${SLIC3R_RESOURCES_DIR}" SLIC3R_RESOURCES_DIR_WIN)

if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
  message(STATUS "No build type selected, default to Release")
  set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Build type (default Release)" FORCE)
endif()

if(DEFINED ENV{SLIC3R_STATIC})
        set(SLIC3R_STATIC_INITIAL $ENV{SLIC3R_STATIC})
else()
        if (MSVC OR MINGW OR APPLE)
                set(SLIC3R_STATIC_INITIAL 1)
        else()
                set(SLIC3R_STATIC_INITIAL 0)
        endif()
endif()

if(NOT WIN32)
    # Add DEBUG flags to debug builds.
    # Also add -g to RELWITHDEBINFO on non-win32
    set(_CC_DEBUG_FLAGS $<$<CONFIG:DEBUG>:-DwxDEBUG_LEVEL=1>
                        $<$<CONFIG:DEBUG>:-g>
                        $<$<CONFIG:RELWITHDEBINFO>:-g>
    )
endif()

option(SLIC3R_STATIC 			"Compile Slic3r with static libraries (Boost, TBB, glew)" ${SLIC3R_STATIC_INITIAL})
option(SLIC3R_GUI    			"Compile Slic3r with GUI components (OpenGL, wxWidgets)" 1)
option(SLIC3R_FHS               "Assume Slic3r is to be installed in a FHS directory structure" 0)
option(SLIC3R_WX_STABLE         "Build against wxWidgets stable (3.0) as oppsed to dev (3.1) on Linux" 0)
option(SLIC3R_PROFILE 			"Compile Slic3r with an invasive Shiny profiler" 0)
option(SLIC3R_PCH               "Use precompiled headers" 1)
option(SLIC3R_MSVC_COMPILE_PARALLEL "Compile on Visual Studio in parallel" 1)
option(SLIC3R_MSVC_PDB          "Generate PDB files on MSVC in Release mode" 1)
option(SLIC3R_PERL_XS           "Compile XS Perl module and enable Perl unit and integration tests" 0)
option(SLIC3R_ASAN              "Enable ASan on Clang and GCC" 0)
option(SLIC3R_ALPHA             "Development/Experimental version; use separate profile directory." OFF)

set(SLIC3R_GTK "2" CACHE STRING "GTK version to use with wxWidgets on Linux")

set(IS_CROSS_COMPILE FALSE)

if (APPLE)
    set(CMAKE_FIND_FRAMEWORK LAST)
    set(CMAKE_FIND_APPBUNDLE LAST)
    list(FIND CMAKE_OSX_ARCHITECTURES ${CMAKE_SYSTEM_PROCESSOR} _arch_idx)
    if (CMAKE_OSX_ARCHITECTURES AND _arch_idx LESS 0)
        set(IS_CROSS_COMPILE TRUE)
    endif ()
endif ()

# Proposal for C++ unit tests and sandboxes
option(SLIC3R_BUILD_SANDBOXES   "Build development sandboxes" OFF)
option(SLIC3R_BUILD_TESTS       "Build unit tests" OFF)

if (IS_CROSS_COMPILE)
    message("Detected cross compilation setup. Tests and encoding checks will be forcedly disabled!")
    set(SLIC3R_PERL_XS OFF CACHE BOOL "" FORCE)
    set(SLIC3R_BUILD_TESTS OFF CACHE BOOL "" FORCE)
endif ()

# Print out the SLIC3R_* cache options
get_cmake_property(_cache_vars CACHE_VARIABLES)
list (SORT _cache_vars)
foreach (_cache_var ${_cache_vars})
    if("${_cache_var}" MATCHES "^SLIC3R_")
        message(STATUS "${_cache_var}: ${${_cache_var}}")
    endif ()
endforeach()

if (SLIC3R_GUI)
    add_definitions(-DSLIC3R_GUI)
endif ()

if (MSVC AND CMAKE_CXX_COMPILER_ID STREQUAL Clang)
    set(IS_CLANG_CL TRUE)

    # clang-cl can interpret SYSTEM header paths if -imsvc is used
    set(CMAKE_INCLUDE_SYSTEM_FLAG_CXX "-imsvc")

    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall \
        -Wno-old-style-cast -Wno-reserved-id-macro -Wno-c++98-compat-pedantic")
else ()
    set(IS_CLANG_CL FALSE)
endif ()

if (MSVC)
    if (SLIC3R_MSVC_COMPILE_PARALLEL AND NOT IS_CLANG_CL)
           add_compile_options(/MP)
    endif ()
    # /bigobj (Increase Number of Sections in .Obj file)
    # error C3859: virtual memory range for PCH exceeded; please recompile with a command line option of '-Zm90' or greater
    # Generate symbols at every build target, even for the release.
    add_compile_options(-bigobj -Zm520 /Zi)
    # Disable STL4007: Many result_type typedefs and all argument_type, first_argument_type, and second_argument_type typedefs are deprecated in C++17.
    #FIXME Remove this line after eigen library adapts to the new C++17 adaptor rules.
    add_compile_options(-D_SILENCE_CXX17_ADAPTOR_TYPEDEFS_DEPRECATION_WARNING)
endif ()

if (MINGW)
    add_compile_options(-Wa,-mbig-obj)
endif ()

# Display and check CMAKE_PREFIX_PATH
message(STATUS "SLIC3R_STATIC: ${SLIC3R_STATIC}")
if (NOT "${CMAKE_PREFIX_PATH}" STREQUAL "")
    message(STATUS "CMAKE_PREFIX_PATH: ${CMAKE_PREFIX_PATH} (from cache or command line)")
    set(PREFIX_PATH_CHECK ${CMAKE_PREFIX_PATH})
elseif (NOT "$ENV{CMAKE_PREFIX_PATH}" STREQUAL "")
    message(STATUS "CMAKE_PREFIX_PATH: $ENV{CMAKE_PREFIX_PATH} (from environment)")
    set(PREFIX_PATH_CHECK $ENV{CMAKE_PREFIX_PATH})
else ()
    message(STATUS "CMAKE_PREFIX_PATH: (default)")
endif ()

foreach (DIR ${PREFIX_PATH_CHECK})
    if (NOT EXISTS "${DIR}")
        message(WARNING "CMAKE_PREFIX_PATH element doesn't exist: ${DIR}")
    endif ()
endforeach ()

# Add our own cmake module path.
list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake/modules/)

enable_testing ()

# Enable C++17 language standard.
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

# To be able to link libslic3r with the Perl XS module.
# Once we get rid of Perl and libslic3r is linked statically, we can get rid of -fPIC
set(CMAKE_POSITION_INDEPENDENT_CODE ON)

# WIN10SDK_PATH is used to point CMake to the WIN10 SDK installation directory.
# We pick it from environment if it is not defined in another way
if(WIN32)
        if(NOT DEFINED WIN10SDK_PATH)
                if(DEFINED ENV{WIN10SDK_PATH})
                        set(WIN10SDK_PATH "$ENV{WIN10SDK_PATH}")
                endif()
        endif()
        if(DEFINED WIN10SDK_PATH AND NOT EXISTS "${WIN10SDK_PATH}/include/winrt/windows.graphics.printing3d.h")
                message("WIN10SDK_PATH is invalid: ${WIN10SDK_PATH}")
                message("${WIN10SDK_PATH}/include/winrt/windows.graphics.printing3d.h was not found")
                message("STL fixing by the Netfabb service will not be compiled")
                unset(WIN10SDK_PATH)
        endif()
    if(WIN10SDK_PATH)
        message("Building with Win10 Netfabb STL fixing service support")
        add_definitions(-DHAS_WIN10SDK)
        include_directories("${WIN10SDK_PATH}/Include")
    else()
        message("Building without Win10 Netfabb STL fixing service support")
    endif()
endif()

if (APPLE)
    message("OS X SDK Path: ${CMAKE_OSX_SYSROOT}")
    if (CMAKE_OSX_DEPLOYMENT_TARGET)
        message("OS X Deployment Target: ${CMAKE_OSX_DEPLOYMENT_TARGET}")
    else ()
        message("OS X Deployment Target: (default)")
    endif ()
endif ()

if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
    find_package(PkgConfig REQUIRED)

    if (CMAKE_VERSION VERSION_LESS "3.1")
        # Workaround for an old CMake, which does not understand CMAKE_CXX_STANDARD.
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
    endif()

    # Boost on Raspberry-Pi does not link to pthreads.
    set(THREADS_PREFER_PTHREAD_FLAG ON)
    find_package(Threads REQUIRED)

    find_package(DBus REQUIRED)
    include_directories(${DBUS_INCLUDE_DIRS})
endif()

if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUXX)
    # Adding -fext-numeric-literals to enable GCC extensions on definitions of quad float literals, which are required by Boost.
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fext-numeric-literals" )
endif()

if (NOT MSVC AND ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang"))
    if (NOT MINGW)
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall" )
    endif ()
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-reorder" )

    # On GCC and Clang, no return from a non-void function is a warning only. Here, we make it an error.
    add_compile_options(-Werror=return-type)

    # removes LOTS of extraneous Eigen warnings (GCC only supports it since 6.1)
    # https://eigen.tuxfamily.org/bz/show_bug.cgi?id=1221
    if("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" OR CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 6.0)
        add_compile_options(-Wno-ignored-attributes) # Tamas: Eigen include dirs are marked as SYSTEM
    endif()

    #GCC generates loads of -Wunknown-pragmas when compiling igl. The fix is not easy due to a bug in gcc, see
    # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66943 or
    # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53431
    # We will turn the warning of for GCC for now:
    if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
        add_compile_options(-Wno-unknown-pragmas)
    endif()

    if (SLIC3R_ASAN)
        add_compile_options(-fsanitize=address -fno-omit-frame-pointer)
        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=address")
        set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fsanitize=address")
        set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -fsanitize=address")

        if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
            set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lasan")
        endif ()
    endif ()
endif()

if (APPLE)
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror=partial-availability -Werror=unguarded-availability -Werror=unguarded-availability-new")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror=partial-availability -Werror=unguarded-availability -Werror=unguarded-availability-new")
endif ()

# Where all the bundled libraries reside?
set(LIBDIR ${CMAKE_CURRENT_SOURCE_DIR}/src)
set(LIBDIR_BIN ${CMAKE_CURRENT_BINARY_DIR}/src)
# For the bundled boost libraries (boost::nowide)
include_directories(${LIBDIR})
# For generated header files
include_directories(${LIBDIR_BIN}/platform)
# For libslic3r.h
include_directories(${LIBDIR}/clipper ${LIBDIR}/polypartition)

if(WIN32)
    add_definitions(-D_USE_MATH_DEFINES -D_WIN32 -D_CRT_SECURE_NO_WARNINGS -D_SCL_SECURE_NO_WARNINGS)
    if(MSVC)
        # BOOST_ALL_NO_LIB: Avoid the automatic linking of Boost libraries on Windows. Rather rely on explicit linking.
        add_definitions(-DBOOST_ALL_NO_LIB -DBOOST_USE_WINAPI_VERSION=0x601 -DBOOST_SYSTEM_USE_UTF8 )
    endif(MSVC)
endif(WIN32)

add_definitions(-DwxUSE_UNICODE -D_UNICODE -DUNICODE -DWXINTL_NO_GETTEXT_MACRO)

# Disable unsafe implicit wxString to const char* / std::string and vice versa. This implicit conversion breaks the UTF-8 encoding quite often.
add_definitions(-DwxNO_UNSAFE_WXSTRING_CONV)

if (SLIC3R_PROFILE)
    message("Slic3r will be built with a Shiny invasive profiler")
    add_definitions(-DSLIC3R_PROFILE)
endif ()

# Disable optimization even with debugging on.
if (0)
    message(STATUS "Perl compiled without optimization. Disabling optimization for the Slic3r build.")
    message("Old CMAKE_CXX_FLAGS_RELEASE: ${CMAKE_CXX_FLAGS_RELEASE}")
    message("Old CMAKE_CXX_FLAGS_RELWITHDEBINFO: ${CMAKE_CXX_FLAGS_RELEASE}")
    message("Old CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS_RELEASE}")
    set(CMAKE_CXX_FLAGS_RELEASE "/MD /Od /Zi /EHsc /DWIN32 /DTBB_USE_ASSERT")
    set(CMAKE_C_FLAGS_RELEASE "/MD /Od /Zi /DWIN32 /DTBB_USE_ASSERT")
    set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "/MD /Od /Zi /EHsc /DWIN32 /DTBB_USE_ASSERT")
    set(CMAKE_C_FLAGS_RELWITHDEBINFO "/MD /Od /Zi /DWIN32 /DTBB_USE_ASSERT")
    set(CMAKE_CXX_FLAGS "/MD /Od /Zi /EHsc /DWIN32 /DTBB_USE_ASSERT")
    set(CMAKE_C_FLAGS "/MD /Od /Zi /DWIN32 /DTBB_USE_ASSERT")
endif()

# Find and configure boost
if(SLIC3R_STATIC)
    # Use static boost libraries.
    set(Boost_USE_STATIC_LIBS ON)
    # Use boost libraries linked statically to the C++ runtime.
    # set(Boost_USE_STATIC_RUNTIME ON)
endif()
#set(Boost_DEBUG ON)
# set(Boost_COMPILER "-mgw81")
if(NOT WIN32)
    # boost::process was introduced first in version 1.64.0
    set(MINIMUM_BOOST_VERSION "1.64.0")
endif()
set(_boost_components "system;filesystem;thread;log;locale;regex;chrono;atomic;date_time")
find_package(Boost ${MINIMUM_BOOST_VERSION} REQUIRED COMPONENTS ${_boost_components})
# boost compile only in release & debug. We have to force the release version for RELWITHDEBINFO compilation
if (MSVC)
  set_target_properties(${Boost_LIBRARIES} PROPERTIES MAP_IMPORTED_CONFIG_RELWITHDEBINFO RELEASE)
endif()

add_library(boost_libs INTERFACE)
add_library(boost_headeronly INTERFACE)

if (APPLE)
    # BOOST_ASIO_DISABLE_KQUEUE : prevents a Boost ASIO bug on OS X: https://svn.boost.org/trac/boost/ticket/5339
    target_compile_definitions(boost_headeronly INTERFACE BOOST_ASIO_DISABLE_KQUEUE)
endif()

if(NOT SLIC3R_STATIC)
    target_compile_definitions(boost_headeronly INTERFACE BOOST_LOG_DYN_LINK)
endif()

function(slic3r_remap_configs targets from_Cfg to_Cfg)
    if(MSVC)
        string(TOUPPER ${from_Cfg} from_CFG)
    
        foreach(tgt ${targets})
            if(TARGET ${tgt})
                set_target_properties(${tgt} PROPERTIES MAP_IMPORTED_CONFIG_${from_CFG} ${to_Cfg})
            endif()
        endforeach()
    endif()
endfunction()

if(TARGET Boost::system)
    message(STATUS "Boost::boost exists")
    target_link_libraries(boost_headeronly INTERFACE Boost::boost)

    # Only from cmake 3.12
    # list(TRANSFORM _boost_components PREPEND Boost:: OUTPUT_VARIABLE _boost_targets)
    set(_boost_targets "")
    foreach(comp ${_boost_components})
        list(APPEND _boost_targets "Boost::${comp}")
    endforeach()

    target_link_libraries(boost_libs INTERFACE
        boost_headeronly # includes the custom compile definitions as well
        ${_boost_targets}
        )
    slic3r_remap_configs("${_boost_targets}" RelWithDebInfo Release)
else()
    target_include_directories(boost_headeronly INTERFACE ${Boost_INCLUDE_DIRS})
    target_link_libraries(boost_libs INTERFACE boost_headeronly ${Boost_LIBRARIES})
endif()



# Find and configure intel-tbb
if(SLIC3R_STATIC)
    set(TBB_STATIC 1)
endif()
set(TBB_DEBUG 1)
find_package(TBB REQUIRED)
# include_directories(${TBB_INCLUDE_DIRS})
# add_definitions(${TBB_DEFINITIONS})
# if(MSVC)
#     # Suppress implicit linking of the TBB libraries by the Visual Studio compiler.
#     add_definitions(-D__TBB_NO_IMPLICIT_LINKAGE)
# endif()
# The Intel TBB library will use the std::exception_ptr feature of C++11.
# add_definitions(-DTBB_USE_CAPTURED_EXCEPTION=0)

find_package(CURL REQUIRED)

add_library(libcurl INTERFACE)
target_link_libraries(libcurl INTERFACE CURL::libcurl)

if (NOT WIN32)
    # Required by libcurl
    find_package(ZLIB REQUIRED)
    target_link_libraries(libcurl INTERFACE ZLIB::ZLIB)
endif()

if (SLIC3R_STATIC)
    if (NOT APPLE)
        # libcurl is always linked dynamically to the system libcurl on OSX.
        # On other systems, libcurl is linked statically if SLIC3R_STATIC is set.
        target_compile_definitions(libcurl INTERFACE CURL_STATICLIB)
    endif()
    if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
        # As of now, our build system produces a statically linked libcurl,
        # which links the OpenSSL library dynamically.
        find_package(OpenSSL REQUIRED)
        message("OpenSSL include dir: ${OPENSSL_INCLUDE_DIR}")
        message("OpenSSL libraries: ${OPENSSL_LIBRARIES}")
        target_include_directories(libcurl INTERFACE ${OPENSSL_INCLUDE_DIR})
        target_link_libraries(libcurl INTERFACE ${OPENSSL_LIBRARIES})
    endif()
endif()

## OPTIONAL packages

# Find eigen3 or use bundled version
if (NOT SLIC3R_STATIC)
    find_package(Eigen3 3.3)
endif ()
if (NOT EIGEN3_FOUND)
    set(EIGEN3_FOUND 1)
    set(EIGEN3_INCLUDE_DIR ${LIBDIR}/eigen/)
endif ()
include_directories(BEFORE SYSTEM ${EIGEN3_INCLUDE_DIR})

# Find expat or use bundled version
# Always use the system libexpat on Linux.

find_package(EXPAT)

if (NOT EXPAT_FOUND)
    add_library(expat STATIC
        ${LIBDIR}/expat/xmlparse.c
        ${LIBDIR}/expat/xmlrole.c
        ${LIBDIR}/expat/xmltok.c
    )
    set(EXPAT_FOUND 1)
    set(EXPAT_INCLUDE_DIRS ${LIBDIR}/expat/)
    set(EXPAT_LIBRARIES expat)
endif ()

find_package(PNG REQUIRED)

set(OpenGL_GL_PREFERENCE "LEGACY")
find_package(OpenGL REQUIRED)

# Find glew or use bundled version
if (SLIC3R_STATIC)
    set(GLEW_USE_STATIC_LIBS ON)
    set(GLEW_VERBOSE ON)
endif()

find_package(GLEW)
if (NOT GLEW_FOUND)
    message(STATUS "GLEW not found, using bundled version.")
    add_library(glew STATIC ${LIBDIR}/glew/src/glew.c)
    set(GLEW_FOUND TRUE)
    set(GLEW_INCLUDE_DIRS ${LIBDIR}/glew/include/)
    target_compile_definitions(glew PUBLIC GLEW_STATIC)
    target_include_directories(glew PUBLIC ${GLEW_INCLUDE_DIRS})
    add_library(GLEW::GLEW ALIAS glew)
endif ()

# Find the Cereal serialization library
find_package(cereal REQUIRED)

# l10n
set(L10N_DIR "${SLIC3R_RESOURCES_DIR}/localization")
add_custom_target(gettext_make_pot
    COMMAND xgettext --keyword=L --keyword=_L --keyword=_u8L --keyword=L_CONTEXT:1,2c --keyword=_L_PLURAL:1,2 --add-comments=TRN --from-code=UTF-8 --debug
        -f "${L10N_DIR}/list.txt"
        -o "${L10N_DIR}/Slic3r.pot"
    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
    COMMENT "Generate pot file from strings in the source tree"
)
add_custom_target(gettext_po_to_mo
    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
    COMMENT "Generate localization po files (binary) from mo files (texts)"
)
file(GLOB L10N_PO_FILES "${L10N_DIR}/*/*.po")
foreach(po_file ${L10N_PO_FILES})
    GET_FILENAME_COMPONENT(po_dir "${po_file}" DIRECTORY)
    SET(mo_file "${po_dir}/${SLIC3R_APP_KEY}.mo")
    message(STATUS "po_dir mo_file imgui : '${po_file}' and mo file is '${mo_file}'") 
    add_custom_command(
        TARGET gettext_po_to_mo PRE_BUILD
        COMMAND msgfmt ARGS -o ${mo_file} ${po_file}
        DEPENDS ${po_file}
    )
endforeach()

find_package(NLopt 1.4 REQUIRED)

if(SLIC3R_STATIC)
    set(OPENVDB_USE_STATIC_LIBS ON)
    set(USE_BLOSC TRUE)
endif()

find_package(OpenVDB 5.0 REQUIRED COMPONENTS openvdb)
if(OpenVDB_FOUND)
    slic3r_remap_configs(IlmBase::Half RelWithDebInfo Release)
    slic3r_remap_configs(Blosc::blosc RelWithDebInfo Release)
endif()

find_path(SPNAV_INCLUDE_DIR spnav.h)
if (SPNAV_INCLUDE_DIR)
    find_library(HAVE_SPNAV spnav)
    if (HAVE_SPNAV)
        add_definitions(-DHAVE_SPNAV)
        add_library(libspnav SHARED IMPORTED)
        target_link_libraries(libspnav INTERFACE spnav)
        message(STATUS "SPNAV library found")
    else()
        message(STATUS "SPNAV library NOT found, Spacenavd not supported")
    endif()
else()
    message(STATUS "SPNAV library NOT found, Spacenavd not supported")
endif()

set(TOP_LEVEL_PROJECT_DIR ${PROJECT_SOURCE_DIR})
function(prusaslicer_copy_dlls target)
    if ("${CMAKE_SIZEOF_VOID_P}" STREQUAL "8")
        set(_bits 64)
    elseif ("${CMAKE_SIZEOF_VOID_P}" STREQUAL "4")
        set(_bits 32)
    endif ()
    
    get_property(_is_multi GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
    get_target_property(_alt_out_dir ${target} RUNTIME_OUTPUT_DIRECTORY)

    if (_alt_out_dir)
        set (_out_dir "${_alt_out_dir}")
    elseif (_is_multi)
        set (_out_dir "$<TARGET_PROPERTY:${target},BINARY_DIR>/$<CONFIG>")
    else ()
        set (_out_dir "$<TARGET_PROPERTY:${target},BINARY_DIR>")
    endif ()
    
    # This has to be a separate target due to the windows command line lenght limits    
    add_custom_command(TARGET ${target} POST_BUILD 
        COMMAND ${CMAKE_COMMAND} -E copy ${TOP_LEVEL_PROJECT_DIR}/deps/GMP/gmp/lib/win${_bits}/libgmp-10.dll ${_out_dir}
        COMMENT "Copy gmp runtime to build tree"
        VERBATIM)
    
    add_custom_command(TARGET ${target} POST_BUILD 
        COMMAND ${CMAKE_COMMAND} -E copy ${TOP_LEVEL_PROJECT_DIR}/deps/MPFR/mpfr/lib/win${_bits}/libmpfr-4.dll ${_out_dir}
        COMMENT "Copy mpfr runtime to build tree"
        VERBATIM)

endfunction()


# libslic3r, Slic3r GUI and the Slic3r executable.
add_subdirectory(src)
set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT Slic3r_app_console)

# Perl bindings, currently only used for the unit / integration tests of libslic3r.
# Also runs the unit / integration tests.
#FIXME Port the tests into C++ to finally get rid of the Perl!
if (SLIC3R_PERL_XS)
    add_subdirectory(xs)
endif ()

if(SLIC3R_BUILD_SANDBOXES)
    add_subdirectory(sandboxes)
endif()

if(SLIC3R_BUILD_TESTS)
    add_subdirectory(tests)
endif()

if (NOT WIN32 AND NOT APPLE)
    configure_file(${LIBDIR}/platform/unix/build_appimage.sh.in ${CMAKE_CURRENT_BINARY_DIR}/build_appimage.sh @ONLY)
endif()

# Resources install target, configure fhs.hpp on UNIX
if (WIN32)
    install(DIRECTORY "${SLIC3R_RESOURCES_DIR}/" DESTINATION "${CMAKE_INSTALL_PREFIX}/resources")
elseif (SLIC3R_FHS)
    # CMAKE_INSTALL_FULL_DATAROOTDIR: read-only architecture-independent data root (share)
    set(SLIC3R_FHS_RESOURCES "${CMAKE_INSTALL_FULL_DATAROOTDIR}/${SLIC3R_APP_KEY}")
    install(DIRECTORY "${SLIC3R_RESOURCES_DIR}/" DESTINATION "${SLIC3R_FHS_RESOURCES}")
    configure_file(${LIBDIR}/platform/unix/Slic3r.desktop.in ${LIBDIR_BIN}/${SLIC3R_APP_KEY}.desktop @ONLY)
    configure_file(${LIBDIR}/platform/unix/Gcodeviewer.desktop.in ${LIBDIR_BIN}/${SLIC3R_APP_KEY}-Gcodeviewer.desktop @ONLY)
    install(FILES ${LIBDIR_BIN}/${SLIC3R_APP_KEY}.desktop DESTINATION ${CMAKE_INSTALL_FULL_DATAROOTDIR}/applications)
    install(FILES ${LIBDIR_BIN}/${SLIC3R_APP_KEY}-Gcodeviewer.desktop DESTINATION ${CMAKE_INSTALL_FULL_DATAROOTDIR}/applications)
    install(FILES resources/icons/${SLIC3R_APP_KEY}_192px.png DESTINATION ${CMAKE_INSTALL_FULL_DATAROOTDIR}/pixmaps RENAME ${SLIC3R_APP_KEY}.png)
    install(FILES resources/icons/${SLIC3R_APP_KEY}-gcodeviewer_192px.png DESTINATION ${CMAKE_INSTALL_FULL_DATAROOTDIR}/pixmaps RENAME ${SLIC3R_APP_KEY}-gcodeviewer.png)
else ()
    configure_file(${LIBDIR}/platform/unix/Slic3r.desktop.in ${LIBDIR_BIN}/${SLIC3R_APP_KEY}.desktop @ONLY)
    configure_file(${LIBDIR}/platform/unix/Gcodeviewer.desktop.in ${LIBDIR_BIN}/${SLIC3R_APP_KEY}-Gcodeviewer.desktop @ONLY)
    install(FILES ${LIBDIR_BIN}/${SLIC3R_APP_KEY}.desktop DESTINATION ${CMAKE_INSTALL_PREFIX}/resources/applications)
    install(FILES ${LIBDIR_BIN}/${SLIC3R_APP_KEY}-Gcodeviewer.desktop DESTINATION ${CMAKE_INSTALL_PREFIX}/resources/applications)
    install(DIRECTORY "${SLIC3R_RESOURCES_DIR}/" DESTINATION "${CMAKE_INSTALL_PREFIX}/resources")
endif ()

configure_file(${LIBDIR}/platform/unix/fhs.hpp.in ${LIBDIR_BIN}/platform/unix/fhs.hpp)

if (WIN32)
else () 
    set(CPACK_GENERATOR "STGZ;TGZ;TZ")
    set(CPACK_NSIS_DISPLAY_NAME "${SLIC3R_APP_NAME} ${SLIC3R_VERSION}")
    set(CPACK_OUTPUT_CONFIG_FILE "${CMAKE_SOURCE_DIR}/cmake/CPackConfig.cmake")
    set(CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_CURRENT_SOURCE_DIR}/README.md")
    set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "CMake is a build tool")
    set(CPACK_PACKAGE_EXECUTABLES "${SLIC3R_APP_CMD}")
    set(CPACK_PACKAGE_FILE_NAME "${SLIC3R_APP_KEY}-${SLIC3R_VERSION}-Linux-x86_64")
    set(CPACK_PACKAGE_INSTALL_DIRECTORY "${SLIC3R_APP_KEY} ${SLIC3R_VERSION}")
    set(CPACK_PACKAGE_INSTALL_REGISTRY_KEY "${SLIC3R_BUILD_ID}")
    set(CPACK_PACKAGE_NAME "${SLIC3R_APP_KEY}")
    set(CPACK_PACKAGE_VENDOR "${SLIC3R_APP_NAME}")
    set(CPACK_PACKAGE_VERSION "${SLIC3R_VERSION_FULL}")
    set(CPACK_PACKAGE_VERSION_MAJOR "2")
    set(CPACK_PACKAGE_VERSION_MINOR "0")
    set(CPACK_PACKAGE_VERSION_PATCH "0")
    set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE")
    set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/README.md")
    set(CPACK_RESOURCE_FILE_WELCOME "${CMAKE_CURRENT_SOURCE_DIR}/README.md")
    set(CPACK_SOURCE_GENERATOR "TGZ;TZ")
    set(CPACK_SOURCE_PACKAGE_FILE_NAME "${SLIC3R_APP_KEY}-${SLIC3R_VERSION_FULL}")
    set(CPACK_SOURCE_STRIP_FILES "")
    set(CPACK_STRIP_FILES "bin/${SLIC3R_APP_CMD}")
    set(CPACK_SYSTEM_NAME "Linux-x86_64")
    set(CPACK_TOPLEVEL_TAG "Linux-x86_64")
endif()

include(CPack)