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 execute_process(COMMAND xcodebuild -version -sdk iphoneos Path
19 OUTPUT_VARIABLE SDKROOT
21 OUTPUT_STRIP_TRAILING_WHITESPACE)
23 execute_process(COMMAND xcodebuild -version -sdk $ENV{SDKROOT} Path
24 OUTPUT_VARIABLE SDKROOT
26 OUTPUT_STRIP_TRAILING_WHITESPACE)
29 IF(NOT EXISTS ${SDKROOT})
30 MESSAGE(FATAL_ERROR "SDKROOT could not be detected!")
33 set(CMAKE_OSX_SYSROOT ${SDKROOT})
35 IF(NOT CMAKE_C_COMPILER)
36 execute_process(COMMAND xcrun -sdk ${SDKROOT} -find clang
37 OUTPUT_VARIABLE CMAKE_C_COMPILER
39 OUTPUT_STRIP_TRAILING_WHITESPACE)
40 message(STATUS "Using c compiler ${CMAKE_C_COMPILER}")
43 IF(NOT CMAKE_CXX_COMPILER)
44 execute_process(COMMAND xcrun -sdk ${SDKROOT} -find clang++
45 OUTPUT_VARIABLE CMAKE_CXX_COMPILER
47 OUTPUT_STRIP_TRAILING_WHITESPACE)
48 message(STATUS "Using c compiler ${CMAKE_CXX_COMPILER}")
52 execute_process(COMMAND xcrun -sdk ${SDKROOT} -find ar
53 OUTPUT_VARIABLE CMAKE_AR_val
55 OUTPUT_STRIP_TRAILING_WHITESPACE)
56 SET(CMAKE_AR ${CMAKE_AR_val} CACHE FILEPATH "Archiver")
57 message(STATUS "Using ar ${CMAKE_AR}")
61 execute_process(COMMAND xcrun -sdk ${SDKROOT} -find ranlib
62 OUTPUT_VARIABLE CMAKE_RANLIB_val
64 OUTPUT_STRIP_TRAILING_WHITESPACE)
65 SET(CMAKE_RANLIB ${CMAKE_RANLIB_val} CACHE FILEPATH "Ranlib")
66 message(STATUS "Using ranlib ${CMAKE_RANLIB}")
69 IF (NOT DEFINED IOS_MIN_TARGET)
70 execute_process(COMMAND xcodebuild -sdk ${SDKROOT} -version SDKVersion
71 OUTPUT_VARIABLE IOS_MIN_TARGET
73 OUTPUT_STRIP_TRAILING_WHITESPACE)
76 SET(IOS_COMMON_FLAGS "-mios-version-min=${IOS_MIN_TARGET}")
77 SET(CMAKE_C_FLAGS "${IOS_COMMON_FLAGS}" CACHE STRING "toolchain_cflags" FORCE)
78 SET(CMAKE_CXX_FLAGS "${IOS_COMMON_FLAGS}" CACHE STRING "toolchain_cxxflags" FORCE)
79 SET(CMAKE_LINK_FLAGS "${IOS_COMMON_FLAGS}" CACHE STRING "toolchain_linkflags" FORCE)