Please see param reference to learn about some additional options Build Params Reference
Besides the prerequisites needed by the desktop version, some mobile specific items are needed. You will need a version of OpenSSL that is compatible with not only your device but also the arch that you are building. It is up to you how to get these, but precompiled versions can be found here
By default we have them referenced in a UNIX style folder path /usr/local/Cellar/openssl@DEVICE where DEVICE is either iphones or android. You may need to change this in the makefile for your environment.
Depending on your device set up your development environment. This includes downloading xcode and iOS SDKS, or android studio with SDKs and NDKs
make -f makefile.cli -j 8 ANDROID=1 buildallRunning this command will build an x86_64 and aarch64 library and package together a folder which will contain everything needed to integrate into an Android project
4 params may need to be set to build correctly. ANDROID_API,SDK_LOCATION,NDK_LOCATION,and HOST_ARCH. ANDROID_API and HOST_ARCH may be left alone if they align with your environment. However, SDK_LOCATION and NDK_LOCATION will need to be set to where you have those applications installed. Both of these params need to be set to the version folder. For best results use the NDK that is installed with the SDK you downloaded.
If you do not want to build both Device and Simulator remove the buildall keyword and replace it with ANDROID_ARCH="foo_bar and supply the arch you want to build, x86_64 or aarch64.
Unlike iOS, Android is not built statically and must be baked into your project. See CMAKE examples on android or our own nexus-mobile repo for an example.
make -f makefile.cli -j 8 IPHONE=1 buildallRunning this command will build a Simulator and Device version of Nexus and package together a .framework directory that can be integrated into a Xcode project.
This framework will contain all libs and all headers needed.
if you wish to not build this framework and build one arch individually you must use these commands
IOS_ARCH="foo" IOS_TYPE="bar"
For ARCH x86_64 or arm64 are options, TYPE is either ios-simulator or iphoneos are options.
If you change any of these above values you must remove the buildall keyword
This makefile will default to iOS version 13.2 but you may need to change this depending on what sdk you downloaded. To do that set IOS_SDK_VER to the SDK number. ie IOS_SDK_VER="13.2".
Nexus only supports x64 so you must disable support for armv7 and armv7a in the project's build settings.
After including the framework into your project you will need to write an entry point c++ file and convert the main objective c file of the app to objective-cpp. This Obj-cpp file will be the interface between the iOS layer and Nexus. See the nexus-mobile repo additional help.