Ruby Hacking Guide¶ ↑
This document gives some helpful instructions which should make your experience as a Ruby core developer easier.
It’s common to want to compile things as quickly as possible. Ensuring
make has the right
--jobs flag will ensure all processors are utilized when building software projects. To do this effectively, you can set
MAKEFLAGS in your shell configuration/profile:
# On macOS with Fish shell: export MAKEFLAGS="--jobs "(sysctl -n hw.ncpu) # On macOS with Bash/ZSH shell: export MAKEFLAGS="--jobs $(sysctl -n hw.ncpu)" # On Linux with Fish shell: export MAKEFLAGS="--jobs "(nproc) # On Linux with Bash/ZSH shell: export MAKEFLAGS="--jobs $(nproc)"
Configure Ruby¶ ↑
It’s generally advisable to use a build directory.
./autogen.sh mkdir build cd build ../configure --prefix $HOME/.rubies/ruby-head make install
Without Documentation¶ ↑
If you are frequently building Ruby, this will reduce the time it takes to
Running Ruby¶ ↑
Run Local Test Script¶ ↑
You can create a file in the Ruby source root called
test.rb. You can build
miniruby and execute this script:
If you want more of the standard library, you can use
runruby instead of
Run Bootstrap Tests¶ ↑
There are a set of tests in
bootstraptest/ which cover most basic features of the core Ruby language.
Run Extensive Tests¶ ↑
There are extensive tests in
test/ which cover a wide range of features of the Ruby core language.
You can run specific tests by specifying their path:
make test-all TESTS=../test/fiber/test_io.rb
Run RubySpec Tests¶ ↑
RubySpec is a project to write a complete, executable specification for the Ruby programming language.
make test-all test-rubyspec