1 # Toolchain config for iOS.
4 # mkdir build; cd build
7 # cmake -DLLVM_IOS_TOOLCHAIN_DIR=/path/to/ios/ndk \
8 # -DCMAKE_TOOLCHAIN_FILE=../../cmake/platforms/iOS.cmake ../..
11 SET(CMAKE_SYSTEM_NAME Darwin)
12 SET(CMAKE_SYSTEM_VERSION 13)
13 SET(CMAKE_CXX_COMPILER_WORKS True)
14 SET(CMAKE_C_COMPILER_WORKS True)
15 SET(DARWIN_TARGET_OS_NAME ios)
17 IF(NOT DEFINED ENV{SDKROOT})
18 MESSAGE(FATAL_ERROR "SDKROOT env var must be set: " $ENV{SDKROOT})
21 IF(EXISTS $ENV{SDKROOT})
22 SET(SDKROOT $ENV{SDKROOT})
24 execute_process(COMMAND xcodebuild -version -sdk $ENV{SDKROOT} Path
25 OUTPUT_VARIABLE SDKROOT
27 OUTPUT_STRIP_TRAILING_WHITESPACE)
30 IF(NOT CMAKE_C_COMPILER)
31 execute_process(COMMAND xcrun -sdk $ENV{SDKROOT} -find clang
32 OUTPUT_VARIABLE CMAKE_C_COMPILER
34 OUTPUT_STRIP_TRAILING_WHITESPACE)
35 message(STATUS "Using c compiler ${CMAKE_C_COMPILER}")
38 IF(NOT CMAKE_CXX_COMPILER)
39 execute_process(COMMAND xcrun -sdk $ENV{SDKROOT} -find clang++
40 OUTPUT_VARIABLE CMAKE_CXX_COMPILER
42 OUTPUT_STRIP_TRAILING_WHITESPACE)
43 message(STATUS "Using c compiler ${CMAKE_CXX_COMPILER}")
47 execute_process(COMMAND xcrun -sdk $ENV{SDKROOT} -find ar
48 OUTPUT_VARIABLE CMAKE_AR_val
50 OUTPUT_STRIP_TRAILING_WHITESPACE)
51 SET(CMAKE_AR ${CMAKE_AR_val} CACHE FILEPATH "Archiver")
52 message(STATUS "Using ar ${CMAKE_AR}")
55 IF (NOT DEFINED IOS_MIN_TARGET)
56 execute_process(COMMAND xcodebuild -sdk $ENV{SDKROOT} -version SDKVersion
57 OUTPUT_VARIABLE IOS_MIN_TARGET
59 OUTPUT_STRIP_TRAILING_WHITESPACE)
62 SET(IOS_COMMON_FLAGS "-mios-version-min=${IOS_MIN_TARGET}")
63 SET(CMAKE_C_FLAGS "${IOS_COMMON_FLAGS}" CACHE STRING "toolchain_cflags" FORCE)
64 SET(CMAKE_CXX_FLAGS "${IOS_COMMON_FLAGS}" CACHE STRING "toolchain_cxxflags" FORCE)
65 SET(CMAKE_LINK_FLAGS "${IOS_COMMON_FLAGS}" CACHE STRING "toolchain_linkflags" FORCE)