use linked version for sdl and sdl_mixer too for consistency, comment some things
if(APPLE)
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 ${current_macosx_version})
endif()
#lower systems don't have enough processing power anyway
if (minimum_macosx_version VERSION_LESS "10.4")
message(FATAL_ERROR "Hedgewars is not supported on Mac OS X pre-10.4")
endif()
#workaround for http://playcontrol.net/ewing/jibberjabber/big_behind-the-scenes_chang.html#SDL_mixer (Update 2)
if(current_macosx_version VERSION_EQUAL "10.4")
find_package(SDL_mixer REQUIRED)
set(DYLIB_SMPEG "-dylib_file @loader_path/Frameworks/smpeg.framework/Versions/A/smpeg:${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()
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)