ref: 4b0584b5b8a201e52aa6eda53a15360da9f02aab
dir: /DoConfig/CMakeLists.txt/
cmake_minimum_required(VERSION 3.7.2) if((${CMAKE_VERSION} VERSION_EQUAL 3.9) OR (${CMAKE_VERSION} VERSION_GREATER 3.9)) cmake_policy(SET CMP0069 NEW) endif() option(FORCE_LOCAL_LIBS "Compile the built-in version of FLTK instead of using the system-provided one" OFF) project(DoConfig LANGUAGES CXX) add_executable(DoConfig "DoConfig.cpp" "icon.rc") # Windows tweak if(WIN32) set_target_properties(DoConfig PROPERTIES WIN32_EXECUTABLE YES) # Disable the console window endif() # MSVC tweak if(MSVC) target_compile_definitions(DoConfig PRIVATE _CRT_SECURE_NO_WARNINGS) # Shut up those stupid warnings endif() # Find FLTK if(NOT FORCE_LOCAL_LIBS) find_package(FLTK) endif() if(FLTK_FOUND) message(STATUS "Using system FLTK") target_include_directories(DoConfig PRIVATE ${FLTK_INCLUDE_DIR}) target_link_libraries(DoConfig ${FLTK_LIBRARIES}) else() # Compile it ourselves message(STATUS "Using local FLTK") # Clear this or it will cause an error during FLTK's configuration. # FLTK only appends to it, so the leftover junk gets fed into a bunch # of important functions. THAT was no fun to debug. set(FLTK_LIBRARIES) set(OPTION_BUILD_EXAMPLES OFF) # Needed to prevent a name collision if(FORCE_LOCAL_LIBS) set(OPTION_USE_SYSTEM_ZLIB OFF) set(OPTION_USE_SYSTEM_LIBJPEG OFF) set(OPTION_USE_SYSTEM_LIBPNG OFF) endif() add_subdirectory("fltk" EXCLUDE_FROM_ALL) get_target_property(DIRS fltk INCLUDE_DIRECTORIES) # FLTK doesn't mark its includes as PUBLIC or INTERFACE, so we have to do this stupidity target_include_directories(DoConfig PRIVATE ${DIRS}) target_link_libraries(DoConfig fltk) endif() # Enable link-time optimisation if available if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug") if((${CMAKE_VERSION} VERSION_EQUAL 3.9) OR (${CMAKE_VERSION} VERSION_GREATER 3.9)) include(CheckIPOSupported) check_ipo_supported(RESULT result) if(result) set_target_properties(DoConfig PROPERTIES INTERPROCEDURAL_OPTIMIZATION TRUE) endif() endif() endif()