if(APPLE) #minimum for macOS. sorry! cmake_minimum_required(VERSION 3.9.0) #set c++11 standard for QT requirements set(CMAKE_CXX_STANDARD 11) set(CMAKE_CXX_STANDARD_REQUIRED ON) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -stdlib=libc++") set(CMAKE_FIND_FRAMEWORK "FIRST") #what system are we building for set(minimum_macosx_version $ENV{MACOSX_DEPLOYMENT_TARGET}) #detect on which system we are: if sw_vers cannot be found for any reason (re)use minimum_macosx_version find_program(sw_vers sw_vers) if(sw_vers) execute_process(COMMAND ${sw_vers} "-productVersion" OUTPUT_VARIABLE current_macosx_version OUTPUT_STRIP_TRAILING_WHITESPACE) string(REGEX REPLACE "([0-9]+.[0-9]+).[0-9]+" "\\1" current_macosx_version ${current_macosx_version}) else() if(NOT minimum_macosx_version) message(FATAL_ERROR "sw_vers not found! Need explicit MACOSX_DEPLOYMENT_TARGET variable set") else() message("*** sw_vers not found! Fallback to MACOSX_DEPLOYMENT_TARGET variable ***") set(current_macosx_version ${minimum_macosx_version}) endif() endif() #if nothing is set, we deploy only for the current system if(NOT minimum_macosx_version) set(minimum_macosx_version ${current_macosx_version}) endif() #minimum OSX version is 10.8. Earlier versions cannot compile some dependencies anymore #(like ffmpeg/libav) if(minimum_macosx_version VERSION_LESS "10.8") message(FATAL_ERROR "Hedgewars is unsupported on your platform and requires Mac OS X 10.8+") endif() #parse this system variable and adjust only the powerpc syntax to be compatible with -P if(CMAKE_OSX_ARCHITECTURES) string(REGEX MATCH "[pP][pP][cC]+" powerpc_build "${CMAKE_OSX_ARCHITECTURES}") string(REGEX MATCH "[iI]386+" i386_build "${CMAKE_OSX_ARCHITECTURES}") string(REGEX MATCH "[xX]86_64+" x86_64_build "${CMAKE_OSX_ARCHITECTURES}") if(x86_64_build) add_flag_prepend(CMAKE_Pascal_FLAGS -Px86_64) elseif(i386_build) add_flag_prepend(CMAKE_Pascal_FLAGS -Pi386) elseif(powerpc_build) add_flag_prepend(CMAKE_Pascal_FLAGS -Ppowerpc) else() message(FATAL_ERROR "Unknown architecture present in CMAKE_OSX_ARCHITECTURES (${CMAKE_OSX_ARCHITECTURES})") endif() list(LENGTH CMAKE_OSX_ARCHITECTURES num_of_archs) if(num_of_archs GREATER 1) message("*** Only one architecture in CMAKE_OSX_ARCHITECTURES is supported, picking the first one ***") endif() elseif(CMAKE_SIZEOF_VOID_P MATCHES "8") #if that variable is not set check if we are on x86_64 and if so force it, else use default add_flag_prepend(CMAKE_Pascal_FLAGS -Px86_64) endif() #CMAKE_OSX_SYSROOT is set at the system version we are supposed to build on #we need to provide the correct one when host and target differ if(NOT CMAKE_OSX_SYSROOT AND NOT ${minimum_macosx_version} VERSION_EQUAL ${current_macosx_version}) find_program(xcrun xcrun) if(xcrun) execute_process(COMMAND ${xcrun} "--show-sdk-path" OUTPUT_VARIABLE current_sdk_path OUTPUT_STRIP_TRAILING_WHITESPACE) string(REPLACE "${current_macosx_version}" "${minimum_macosx_version}" CMAKE_OSX_SYSROOT "${current_sdk_path}") else() message("*** xcrun not found! Build will work on ${current_macosx_version} only ***") endif() endif() if(CMAKE_OSX_SYSROOT) add_flag_append(CMAKE_Pascal_FLAGS "-XR${CMAKE_OSX_SYSROOT}") add_flag_append(CMAKE_Pascal_FLAGS "-k-macosx_version_min -k${minimum_macosx_version}") add_flag_append(CMAKE_Pascal_FLAGS "-k-L${LIBRARY_OUTPUT_PATH} -Fl${LIBRARY_OUTPUT_PATH}") endif() #add user framework directory add_flag_append(CMAKE_Pascal_FLAGS "-Ff~/Library/Frameworks") endif(APPLE) if(MINGW) #this flags prevents a few dll hell problems add_flag_append(CMAKE_C_FLAGS "-static-libgcc") add_flag_append(CMAKE_CXX_FLAGS "-static-libgcc") endif(MINGW) if(WIN32) if(NOT ${BUILD_SHARED_LIB}) message(FATAL_ERROR "Static linking is not supported on Windows") endif() endif(WIN32) if(UNIX) add_flag_append(CMAKE_C_FLAGS "-fPIC") add_flag_append(CMAKE_CXX_FLAGS "-fPIC") endif(UNIX)