Ruby Archives - Lost Entropy

Fixing problems caused by using an old version of RubyGems (1.7.2)

February 25, 2012March 1, 2012Aaron B. RussellLeave a Comment

I recently had to install an old version of RubyGems (v1.7.2 to work around an incompatibility with a Rails 2.3.x app I’m working with. This caused Capistrano to freak the older RubyGems version out with this error: Invalid gemspec in [/Users/myusername/.rvm/gems/ree-1.8.7-2012.01@mygemset/specifications/capistrano-2.11.2.gemspec]: invalid date format in specification: “2012-02-22 00:00:00.000000000Z” This broke RubyGems so bad that every […]

Problems installing the memcached gem?

December 29, 2010Aaron B. Russell2 Comments

Seeing something like this while compiling libmemcached or trying to install the memcached gem? checking for style of include used by make… GNU checking for gcc… gcc checking for C compiler default output file name… configure: error: in `/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/memcached-1.0.2/ext/libmemcached-0.32′: configure: error: C compiler cannot create executables See `config.log’ for more details. *** extconf.rb failed *** […]

Compiling FreeImage in 64-bit on Snow Leopard

October 3, 2009Aaron B. Russell13 Comments

I recently tried to use the image_science gem for Ruby, but it didn’t work after installation because it was looking for FreeImage.h. Thinking it’d be an easy fix, I headed over to http://freeimage.sourceforge.net/ to go grab a copy of a binary file to install, but there wasn’t one. Undeterred, I went to grab the source […]