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66 lines
1.9 KiB
CMake
66 lines
1.9 KiB
CMake
# Toolchain config for iOS.
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#
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# Usage:
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# mkdir build; cd build
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# cmake ..; make
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# mkdir ios; cd ios
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# cmake -DLLVM_IOS_TOOLCHAIN_DIR=/path/to/ios/ndk \
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# -DCMAKE_TOOLCHAIN_FILE=../../cmake/platforms/iOS.cmake ../..
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# make <target>
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SET(CMAKE_SYSTEM_NAME Darwin)
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SET(CMAKE_SYSTEM_VERSION 13)
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SET(CMAKE_CXX_COMPILER_WORKS True)
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SET(CMAKE_C_COMPILER_WORKS True)
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SET(DARWIN_TARGET_OS_NAME ios)
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IF(NOT DEFINED ENV{SDKROOT})
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MESSAGE(FATAL_ERROR "SDKROOT env var must be set: " $ENV{SDKROOT})
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ENDIF()
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IF(EXISTS $ENV{SDKROOT})
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SET(SDKROOT $ENV{SDKROOT})
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ELSE()
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execute_process(COMMAND xcodebuild -version -sdk $ENV{SDKROOT} Path
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OUTPUT_VARIABLE SDKROOT
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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ENDIF()
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IF(NOT CMAKE_C_COMPILER)
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execute_process(COMMAND xcrun -sdk $ENV{SDKROOT} -find clang
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OUTPUT_VARIABLE CMAKE_C_COMPILER
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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message(STATUS "Using c compiler ${CMAKE_C_COMPILER}")
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ENDIF()
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IF(NOT CMAKE_CXX_COMPILER)
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execute_process(COMMAND xcrun -sdk $ENV{SDKROOT} -find clang++
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OUTPUT_VARIABLE CMAKE_CXX_COMPILER
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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message(STATUS "Using c compiler ${CMAKE_CXX_COMPILER}")
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ENDIF()
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IF(NOT CMAKE_AR)
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execute_process(COMMAND xcrun -sdk $ENV{SDKROOT} -find ar
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OUTPUT_VARIABLE CMAKE_AR_val
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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SET(CMAKE_AR ${CMAKE_AR_val} CACHE FILEPATH "Archiver")
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message(STATUS "Using ar ${CMAKE_AR}")
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ENDIF()
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IF (NOT DEFINED IOS_MIN_TARGET)
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execute_process(COMMAND xcodebuild -sdk $ENV{SDKROOT} -version SDKVersion
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OUTPUT_VARIABLE IOS_MIN_TARGET
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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ENDIF()
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SET(IOS_COMMON_FLAGS "-mios-version-min=${IOS_MIN_TARGET}")
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SET(CMAKE_C_FLAGS "${IOS_COMMON_FLAGS}" CACHE STRING "toolchain_cflags" FORCE)
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SET(CMAKE_CXX_FLAGS "${IOS_COMMON_FLAGS}" CACHE STRING "toolchain_cxxflags" FORCE)
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SET(CMAKE_LINK_FLAGS "${IOS_COMMON_FLAGS}" CACHE STRING "toolchain_linkflags" FORCE)
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