Make sure you have bison (www.gnu.org/software/bison/) installed in your system.
Make sure you have ruby installed in your system (required to build).
Compilation and Installation
Run make in the top directory.
This command will create a build directory with a directory for the host environment and one for each crossbuild environment based on the settings in the build_config.rb file.
Assuming a default build, each of the environment directories will have the following important directories:
* bin - The binary executables for this environment * lib - The libraries for this environment
You can find the header files in the include directory at the root of the project.
You can directly invoke ‘minirake’ with the following command:
$ ruby ./minirake
If an error occurs when compiling mruby, it will be helpful for others if you send a detailed report to the developers that includes the error log, machine, and OS type.
Adding existing gems
Gems from the [list of mruby gems](www.mruby.org/libraries/) can be added by adding their respective GitHub URLs to build_config.rb. For example, to add implementations of the File and IO Ruby core classes to mruby, insert the following in build_config.rb under the comment section `Use mrbgems`:
conf.gem :git => 'email@example.com:iij/mruby-io.git', :branch => 'master'
Porting to other platforms
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