Ruby1.9.2devを1.8.7と共存しつつMacOSXにインストール

SVNから最新版をとってきてビルドする手順をメモ。

#checkout from svn
/Users/ken/src% sudo mkdir /usr/local/src
/Users/ken/src% cd /usr/local/src/
/usr/local/src% sudo svn co http://svn.ruby-lang.org/repos/ruby/trunk ruby19

#build
/usr/local/src% cd ruby19/
/usr/local/src/ruby19% autoconf
/usr/local/src/ruby19% sudo ./configure --prefix=/usr/local/ruby19 --with-readline-dir=/usr/local
/usr/local/src/ruby19% sudo make
/usr/local/src/ruby19% sudo make install

#確認
/usr/local/src/ruby19% ruby -v
ruby 1.8.6 (2008-03-03 patchlevel 114) [universal-darwin9.0]
/usr/local/src/ruby19% /usr/local/ruby19/bin/ruby -v
ruby 1.9.2dev (2009-02-19 trunk 22441) [i386-darwin9.6.0]