Install Ruby 2.3.3 from source on Mac

Install Ruby 2.3.3 from source on Mac.

Use git to get the source.

$ cd ~/git/ruby

$ git pull --tags

$ git checkout v2_3_3

$ autoconf

$ ./configure --prefix=/usr/local/ruby-2.3.3 \
   --with-openssl-dir=`brew --prefix openssl` 2>&1 \
   | tee -a configure.log

$ make

$ sudo make install

$ /usr/local/ruby-2.3.3/bin/ruby -v
ruby 2.3.3p222 (2016-11-21 revision 56859) [x86_64-darwin13]

Let's see new features in ChangeLog.

$ git diff v2_3_1 v2_3_3 ChangeLog

That's all.