Added: Toolchain to compile OS X client under Linux using osxcross
--HG-- branch : develop
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kervala
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109
code/CMakeModules/OSXToolChain.cmake
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109
code/CMakeModules/OSXToolChain.cmake
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# Define OSX_SDK to force a specific version such as : -DOSX_SDK=10.11
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#
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# Example:
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# cmake .. -DCMAKE_TOOLCHAIN_FILE=../CMakeModules/OSXToolChain.cmake -DWITH_NEL_TESTS=OFF -DWITH_RYZOM_SERVER=OFF -DWITH_NEL_TOOLS=OFF -DWITH_RYZOM_TOOLS=OFF -DWITH_LUA51=OFF -DWITH_LUA53=ON -DCMAKE_BUILD_TYPE=Release -DWITH_RYZOM_INSTALLER=OFF -DWITH_RYZOM_PATCH=ON -DWITH_NEL_TESTS=OFF -DWITH_NEL_TOOLS=OFF -DWITH_TOOLS=OFF -DWITH_NEL_SAMPLES=OFF -DWITH_WARNINGS=OFF -DWITH_QT5=OFF -DWITH_STATIC=ON -DWITH_STATIC_DRIVERS=ON -DWITH_STATIC_EXTERNAL=ON -DWITH_UNIX_STRUCTURE=OFF -DWITH_INSTALL_LIBRARIES=OFF -DWITH_RYZOM_SANDBOX=OFF -DOSX_SDK=10.11
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# Don't forget to define environment variables:
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#
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# export MACOSX_DEPLOYMENT_TARGET=10.7
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# export OSXCROSS_GCC_NO_STATIC_RUNTIME=1
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# export PATH=$PATH:/home/src/osxcross/target/bin
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#
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# To install all dependencies:
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# ./osxcross-macports install libxml2 jpeg curl libogg libvorbis freetype boost openssl zlib lua-5.3
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IF(DEFINED CMAKE_CROSSCOMPILING)
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# subsequent toolchain loading is not really needed
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RETURN()
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ENDIF()
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# Force the compilers to Clang for iOS
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SET(CMAKE_C_COMPILER x86_64-apple-darwin15-clang)
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SET(CMAKE_CXX_COMPILER x86_64-apple-darwin15-clang++)
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set(CMAKE_CXX_COMPILER_ID "AppleClang")
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# Skip the platform compiler checks for cross compiling.
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SET(CMAKE_CXX_COMPILER_FORCED TRUE)
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SET(CMAKE_C_COMPILER_FORCED TRUE)
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# Check if osxcross is installed
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EXECUTE_PROCESS(COMMAND which ${CMAKE_CXX_COMPILER} OUTPUT_VARIABLE COMPILER_FULLPATH OUTPUT_STRIP_TRAILING_WHITESPACE)
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IF(NOT COMPILER_FULLPATH)
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MESSAGE(FATAL_ERROR "Unable to find ${CMAKE_CXX_COMPILER}, are you sure osxcross is installed and is in PATH?")
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ENDIF()
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# Default paths
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GET_FILENAME_COMPONENT(CMAKE_OSX_TOOLCHAIN_ROOT ${COMPILER_FULLPATH} DIRECTORY)
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# Parent directory
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GET_FILENAME_COMPONENT(CMAKE_OSX_TOOLCHAIN_ROOT ${CMAKE_OSX_TOOLCHAIN_ROOT} DIRECTORY)
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SET(CMAKE_OSX_SYSROOT ${CMAKE_OSX_TOOLCHAIN_ROOT}/SDK)
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SET(MACPORTS_ROOT_DIR ${CMAKE_OSX_TOOLCHAIN_ROOT}/macports/pkgs/opt/local)
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SET(EXTERNAL_OSX_PATH ${CMAKE_OSX_TOOLCHAIN_ROOT}/external)
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# List of all SDKs that have been found
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SET(OSX_SDKS)
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FILE(GLOB _CMAKE_OSX_SDKS "${CMAKE_OSX_SYSROOT}/MacOSX*")
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IF(_CMAKE_OSX_SDKS)
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LIST(SORT _CMAKE_OSX_SDKS)
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LIST(REVERSE _CMAKE_OSX_SDKS)
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FOREACH(_CMAKE_OSX_SDK ${_CMAKE_OSX_SDKS})
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STRING(REGEX REPLACE ".+MacOSX([0-9.]+)\\.sdk" "\\1" _OSX_SDK "${_CMAKE_OSX_SDK}")
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LIST(APPEND OSX_SDKS ${_OSX_SDK})
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ENDFOREACH()
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ENDIF()
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# Find and use the most recent OS X sdk
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IF(NOT OSX_SDKS)
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MESSAGE(FATAL_ERROR "No OS X SDK's found in default search path ${CMAKE_OSX_SYSROOT}.")
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ENDIF()
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# if a specific SDK is defined, try to use it
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IF(OSX_SDK)
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LIST(FIND OSX_SDKS "${OSX_SDK}" _INDEX)
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IF(_INDEX EQUAL -1)
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# if specified SDK doesn't exist, use the last one
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LIST(GET OSX_SDKS 0 OSX_SDK)
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ENDIF()
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ELSE()
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# use the last SDK
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LIST(GET OSX_SDKS 0 OSX_SDK)
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ENDIF()
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MESSAGE(STATUS "Using OS X SDK ${OSX_SDK}")
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# Define final OS X sysroot
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SET(CMAKE_OSX_SYSROOT ${CMAKE_OSX_SYSROOT}/MacOSX${OSX_SDK}.sdk)
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# Standard settings
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SET(CMAKE_SYSTEM_NAME Darwin)
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set(CMAKE_SYSTEM "Darwin-15.0.0")
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set(CMAKE_SYSTEM_VERSION "15.0.0")
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set(CMAKE_SYSTEM_PROCESSOR "x86_64")
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SET(UNIX ON)
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SET(APPLE ON)
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# Set the find root to the iOS developer roots and to user defined paths
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SET(CMAKE_FIND_ROOT_PATH ${CMAKE_OSX_TOOLCHAIN_ROOT} ${CMAKE_OSX_SYSROOT} ${CMAKE_PREFIX_PATH} ${CMAKE_INSTALL_PREFIX} ${MACPORTS_ROOT_DIR} ${EXTERNAL_OSX_PATH} $ENV{EXTERNAL_OSX_PATH} CACHE STRING "OS X find search path root")
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# default to searching for frameworks first
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SET(CMAKE_FIND_FRAMEWORK FIRST)
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# set up the default search directories for frameworks
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SET(CMAKE_SYSTEM_FRAMEWORK_PATH
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${CMAKE_OSX_SYSROOT}/System/Library/Frameworks
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${CMAKE_OSX_SYSROOT}/System/Library/PrivateFrameworks
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${CMAKE_OSX_SYSROOT}/Developer/Library/Frameworks
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)
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# only search the iOS sdks, not the remainder of the host filesystem
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SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY)
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SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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# determinate location for bin utils based on CMAKE_FIND_ROOT_PATH
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INCLUDE(CMakeFindBinUtils)
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