eruby configure error: private method `gsub!' called for nil:NilClass (NoMethodError)

[chutsu@…]

Get the following error while installing eruby:

--->  Fetching eruby
--->  Attempting to fetch eruby-1.0.5.tar.gz from http://arn.se.distfiles.macports.org/eruby
--->  Verifying checksum(s) for eruby
--->  Extracting eruby
--->  Configuring eruby
Error: Target org.macports.configure returned: configure failure: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_www_eruby/work/eruby-1.0.5" && ./configure.rb --prefix=/opt/local --enable-shared " returned error 1
Command output: ./configure.rb:310: private method `gsub!' called for nil:NilClass (NoMethodError)

Error: Status 1 encountered during processing.

[ryandesign@…]

Has duplicate #25047.

[ryandesign@…]

Fixed in r70644 by updating to some old development version of 1.0.6. 1.0.5 was released in 2004 and there hasn't been any development in svn since 2008 so I feel somewhat ok in updating to this even if it is not a final release.