if(APPLE) if(${CMAKE_VERSION} VERSION_GREATER "2.8.10.2" AND ${CMAKE_VERSION} VERSION_LESS "2.8.12.1") message(FATAL_ERROR "This version of CMake is known *not* to work, please update or use a lower version") endif() 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 ${current_macosx_version}) endif() #lower systems don't have enough processing power anyway if (minimum_macosx_version VERSION_LESS "10.4") message(FATAL_ERROR "Hedgewars is not supported on Mac OS X pre-10.4") endif() #gcc is EOL on these systems if (current_macosx_version VERSION_GREATER "10.8") set(CMAKE_C_COMPILER clang) set(CMAKE_CXX_COMPILER clang++) endif() #workaround for http://playcontrol.net/ewing/jibberjabber/big_behind-the-scenes_chang.html#SDL_mixer (Update 2) if(current_macosx_version VERSION_EQUAL "10.4") find_package(SDL_mixer REQUIRED) set(DYLIB_SMPEG "-dylib_file @loader_path/Frameworks/smpeg.framework/Versions/A/smpeg:${SDLMIXER_LIBRARY}/Versions/A/Frameworks/smpeg.framework/Versions/A/smpeg") set(DYLIB_MIKMOD "-dylib_file @loader_path/Frameworks/mikmod.framework/Versions/A/mikmod:${SDLMIXER_LIBRARY}/Versions/A/Frameworks/mikmod.framework/Versions/A/mikmod") add_flag_append(CMAKE_C_FLAGS "${DYLIB_SMPEG} ${DYLIB_MIKMOD}") add_flag_append(CMAKE_CXX_FLAGS "${DYLIB_SMPEG} ${DYLIB_MIKMOD}") add_flag_append(CMAKE_Pascal_FLAGS "-k${DYLIB_SMPEG} -k${DYLIB_MIKMOD}") endif() if(NOT CMAKE_OSX_ARCHITECTURES) if(current_macosx_version VERSION_LESS "10.6") #SDL is only 32 bit on lower OS if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "powerpc*") set(CMAKE_OSX_ARCHITECTURES "ppc7400") else() set(CMAKE_OSX_ARCHITECTURES "i386") endif() endif() 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(${WARNING} "Only one architecture in CMAKE_OSX_ARCHITECTURES is currently 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 ${minimum_macosx_version} VERSION_EQUAL ${current_macosx_version}) if(minimum_macosx_version VERSION_EQUAL "10.4") set(CMAKE_OSX_SYSROOT "/Developer/SDKs/MacOSX10.4u.sdk/") set(CMAKE_C_COMPILER "/Developer/usr/bin/gcc-4.0") set(CMAKE_CXX_COMPILER "/Developer/usr/bin/g++-4.0") else() string(REGEX REPLACE "([0-9]+.[0-9]+).[0-9]+" "\\1" sdk_version ${minimum_macosx_version}) set(CMAKE_OSX_SYSROOT "/Developer/SDKs/MacOSX${sdk_version}.sdk/") endif() add_flag_append(CMAKE_Pascal_FLAGS "-XR${CMAKE_OSX_SYSROOT}") add_flag_append(CMAKE_Pascal_FLAGS "-k-macosx_version_min -k${minimum_macosx_version}") endif() #add user framework directory add_flag_append(CMAKE_Pascal_FLAGS "-Ff~/Library/Frameworks") #workaround most of the -Fl settings getting lost add_flag_append(CMAKE_Pascal_FLAGS "-k-L${LIBRARY_OUTPUT_PATH}") 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") add_flag_append(CMAKE_Pascal_FLAGS "-fPIC") endif(UNIX)