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https://github.com/leetal/ios-cmake

A CMake toolchain file for iOS/iPadOS, visionOS, macOS, watchOS & tvOS C/C++/Obj-C++ development
https://github.com/leetal/ios-cmake

c catalyst cmake cmake-scripts cmake-toolchain cpp ios ios-cmake ios-development macos macosx objective-c tvos tvos-cmake tvos-development tvos-simulator visionos watchos watchos-cmake watchos-development

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A CMake toolchain file for iOS/iPadOS, visionOS, macOS, watchOS & tvOS C/C++/Obj-C++ development

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README

        

A CMake toolchain file for iOS (+ Catalyst), watchOS, tvOS and macOS development with full simulator support and toggleable options!

# ios-cmake

[![catalyst-jobs](https://github.com/leetal/ios-cmake/actions/workflows/catalyst.yml/badge.svg)](https://github.com/leetal/ios-cmake/actions/workflows/catalyst.yml)   [![combined-jobs](https://github.com/leetal/ios-cmake/actions/workflows/combined.yml/badge.svg)](https://github.com/leetal/ios-cmake/actions/workflows/combined.yml)   [![ios-jobs](https://github.com/leetal/ios-cmake/actions/workflows/ios.yml/badge.svg)](https://github.com/leetal/ios-cmake/actions/workflows/ios.yml)

[![macos-jobs](https://github.com/leetal/ios-cmake/actions/workflows/macos.yml/badge.svg)](https://github.com/leetal/ios-cmake/actions/workflows/macos.yml)   [![tvos-jobs](https://github.com/leetal/ios-cmake/actions/workflows/tvos.yml/badge.svg)](https://github.com/leetal/ios-cmake/actions/workflows/tvos.yml)   [![watchos-jobs](https://github.com/leetal/ios-cmake/actions/workflows/watchos.yml/badge.svg)](https://github.com/leetal/ios-cmake/actions/workflows/watchos.yml)

[![visionos-jobs](https://github.com/leetal/ios-cmake/actions/workflows/visionos.yml/badge.svg)](https://github.com/leetal/ios-cmake/actions/workflows/visionos.yml)

## Platform flag options (-DPLATFORM=_flag_)

* _OS_ - to build for iOS (armv7, armv7s, arm64) -- **DEPRECATED in favour of OS64**
* _OS64_ - to build for iOS (arm64 only)
* _OS64COMBINED_ - to build for iOS & iOS Simulator (FAT lib) (arm64, x86_64)
* _SIMULATOR_ - to build for iOS simulator 32 bit (i386) -- **DEPRECATED**
* _SIMULATOR64_ - to build for iOS simulator 64 bit (x86_64)
* _SIMULATORARM64_ - to build for iOS simulator 64 bit (arm64)
* _VISIONOS_ - to build for visionOS (arm64) -- **Apple Silicon Required**
* _VISIONOSCOMBINED_ - to build for visionOS & visionOS Simulator (FAT lib) (arm64) -- **Apple Silicon Required**
* _SIMULATOR_VISIONOS_ - to build for visionOS Simulator (arm64) -- **Apple Silicon Required**
* _TVOS_ - to build for tvOS (arm64)
* _TVOSCOMBINED_ - to build for tvOS & tvOS Simulator (arm64, x86_64)
* _SIMULATOR_TVOS_ - to build for tvOS Simulator (x86_64)
* _SIMULATORARM64_TVOS_ = to build for tvOS Simulator (arm64)
* _WATCHOS_ - to build for watchOS (armv7k, arm64_32)
* _WATCHOSCOMBINED_ - to build for watchOS & Simulator (armv7k, arm64_32, i386)
* _SIMULATOR_WATCHOS_ - to build for watchOS Simulator (i386)
* _SIMULATORARM64_WATCHOS_ = to build for watchOS Simulator (arm64)
* _MAC_ - to build for macOS (x86_64)
* _MAC_ARM64_ - to build for macOS on Apple Silicon (arm64)
* _MAC_UNIVERSAL_ - to build for macOS on x86_64 and Apple Silicon (arm64) combined
* _MAC_CATALYST_ - to build iOS for Mac (Catalyst, x86_64)
* _MAC_CATALYST_ARM64_ - to build iOS for Mac on Apple Silicon (Catalyst, arm64)
* _MAC_CATALYST_UNIVERSAL_ - to build iOS for Mac on x86_64 and Mac on arm64 combined (Catalyst, x86_64, arm64)

# Example usage

**_NOTE_: Change the `-DPLATFORM` to an applicable value if targeting another platform.**

```bash
cd example/example-lib
cmake -B build -G Xcode -DCMAKE_TOOLCHAIN_FILE=../../ios.toolchain.cmake -DPLATFORM=OS64
cmake --build build --config Release
```

This will build the library for the given PLATFORM. In this case, iOS with the arm64 architecture.

## 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!

Example:

```bash
cmake . -G Xcode -DCMAKE_TOOLCHAIN_FILE=../../ios.toolchain.cmake -DPLATFORM=OS64COMBINED
cmake --build . --config Release
cmake --install . --config Release # Necessary to build combined library
```

**_NOTE_: The COMBINED options _ONLY_ work with the Xcode generator (-G Xcode) on CMake versions 3.14+!**

---

### Exposed Variables

`XCODE_VERSION` - Version number (not including Build version) of Xcode detected.

`SDK_VERSION` - Version of SDK being used.

`CMAKE_OSX_ARCHITECTURES` - Architectures being compiled for (generated from PLATFORM).

`APPLE_TARGET_TRIPLE` - Used by autoconf build systems.

### Additional Options

`-DENABLE_BITCODE=(BOOL)` - Disabled by default, specify TRUE or 1 to enable 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

* 🌟 A heartfelt thank you to everyone who contributes to keeping this repository up-to-date! Your support and collaboration are invaluable in managing and tracking all the changes. Your help is greatly appreciated! 🙏🎉