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A CMake toolchain file for iOS, watchOS and tvOS development with full simulator support and toggable options!

NEW!

  • The toolchain now supports the new features introduced in CMake 3.14 that allows combined (FAT libraries) to be built.
    • Please see below for the "COMBINED" options that will build a static, combined FAT library by default.
  • The IOS_PLATFORM argument have been renamed to PLATFORM to better align with how the toolchain will be used.
    • IOS_PLATFORM argument still exists, but is deprecated.
  • MUCH better support for Xcode generated project on CMake 3.14+

ios-cmake

Build Status

Tested with the following combinations:

  • XCode 5.x, iOS SDK 7
  • XCode 6.1.x, iOS SDK 8.1
  • XCode 8.2.x, iOS SDK 10.2
  • XCode 9.4.x, iOS SDK 11.4
  • XCode 10.2.x, iOS SDK 12.2

Example usage

NOTE: The below commands will build for 64-bit simulator only. Change the -DPLATFORM to the applicable value if targeting another platform.

cd example/example-lib
mkdir build
cd build
cmake .. -G Xcode -DCMAKE_TOOLCHAIN_FILE=../../ios.toolchain.cmake -DPLATFORM=OS64COMBINED
cmake --build . --config Release --target install

This will build and install the library for the given IOS_PLATFORM.

Options

  • Set -DPLATFORM to "SIMULATOR" to build for iOS simulator 32 bit (i386) DEPRECATED
  • Set -DPLATFORM to "SIMULATOR64" (example above) to build for iOS simulator 64 bit (x86_64)
  • Set -DPLATFORM to "OS" to build for Device (armv7, armv7s, arm64)
  • Set -DPLATFORM to "OS64" to build for Device (arm64)
  • Set -DPLATFORM to "OS64COMBINED" to build for Device & Simulator (FAT lib) (arm64, x86_64)
  • Set -DPLATFORM to "TVOS" to build for tvOS (arm64)
  • Set -DPLATFORM to "TVOSCOMBINED" to build for tvOS & Simulator (arm64, x86_64)
  • Set -DPLATFORM to "SIMULATOR_TVOS" to build for tvOS Simulator (x86_64)
  • Set -DPLATFORM to "WATCHOS" to build for watchOS (armv7k, arm64_32)
  • Set -DPLATFORM to "WATCHOSCOMBINED" to build for watchOS & Simulator (armv7k, arm64_32, i386)
  • Set -DPLATFORM to "SIMULATOR_WATCHOS" to build for watchOS Simulator (i386)

COMBINED options

The options called *COMBINED (OS64COMBINED, TVOSCOMBINED and WATCHOSCOMBINED) will build complete FAT-libraries for the given platform. These FAT-libraries include slices for both device and simulator, making the distribution and usage of the library much more simple!

NOTE: The COMBINED options ONLY work with the Xcode generator (-G Xcode).

Additional Options

-DENABLE_BITCODE=(BOOL) - Enabled by default, specify FALSE or 0 to disable bitcode

-DENABLE_ARC=(BOOL) - Enabled by default, specify FALSE or 0 to disable ARC

-DENABLE_VISIBILITY=(BOOL) - Disabled by default, specify TRUE or 1 to enable symbol visibility support

-DENABLE_STRICT_TRY_COMPILE=(BOOL) - Disabled by default, specify TRUE or 1 to enable strict compiler checks (will run linker on all compiler checks whenever needed)

-DARCHS=(STRING) - Valid values are: armv7, armv7s, arm64, i386, x86_64, armv7k, arm64_32. By default it will build for all valid architectures based on -DPLATFORM (see above)

To combine all platforms into the same FAT-library, either build any of the "COMBINED" platform types OR use the LIPO tool. More information on how to combine libraries with LIPO is readily available on the net.

Thanks To

Notes

Parts of the original toolchain comes from a similar project found on code.google.com