Based on ruby2d/mruby-frameworks

Run rake to cross compile and build the xcframework. To update the MRuby submodule, use rake mruby_latest to set to the latest release and rake mruby_master to set the master branch.

The prebuilt xcframework is located in xcframework/.

1. On project settings ->Build Settings -> Other Code Signing Flags, add --deep
2. On project settings -> Signing & Capabilities -> Hardened Runtime, check the Disable Library Validation option
3. Copy MRuby.xcframework to a folder in your project (usually a folder named Frameworks where your xcodeproj is)
4. On target settings -> Frameworks, Libraries, and Embedded Content, add MRuby.xcframework

1. Create an new iOs Objective-C project and add the xcframework
2. On ViewController.m, add:

#include <mruby.h>
#include <mruby/compile.h>

3. On - (void)viewDidLoad) of that class, add:

mrb_state *mrb = mrb_open();
char code[] = "5.times { puts 'mruby is awesome!' }";

printf("Executing Ruby code with mruby:\n");
mrb_load_string(mrb, code);

mrb_close(mrb);

4. Run and you should see 'mruby is awesome!' 5 times in the Output window.