From: Brian Candler <b.candler@...>
Date: 2009-02-03T01:39:43+09:00
Subject: Re: Native gem roundup!

Charles Oliver Nutter wrote:
> I'm curious what native gems/extensions people are typically using. In
> general it seems like most native extensions fall into two categories:
> 
> * They are wrappers around a C API/library, as in zlib, rmagick, 
> nokogiri
> * They are written for performance reasons, to implement a particular
> algorithm in a native language or call a library for the same reasons

* They interact directly with the Ruby interpreter (e.g. rcov, 
ruby-debug)

Here's the set on my home machine:

$ cd /usr/local/lib/ruby/gems/1.8/gems/; find . -name '*.so'
./json-1.1.3/ext/json/ext/parser/parser.so
./json-1.1.3/ext/json/ext/generator/generator.so
./json-1.1.3/ext/json/ext/parser.so
./json-1.1.3/ext/json/ext/generator.so
./fastthread-1.0.1/ext/fastthread/fastthread.so
./fastthread-1.0.1/lib/fastthread.so
./rcov-0.8.1.2.0/lib/rcovrt.so
./rcov-0.8.1.2.0/ext/rcovrt/rcovrt.so
./linecache-0.43/ext/trace_nums.so
./linecache-0.43/lib/trace_nums.so
./mongrel-1.1.5/ext/http11/http11.so
./mongrel-1.1.5/lib/http11.so
./sqlite3-ruby-1.2.4/ext/sqlite3_api/sqlite3_api.so
./sqlite3-ruby-1.2.4/lib/sqlite3_api.so
./ruby-debug-base-0.10.3/ext/win32/ruby_debug.so
./ruby-debug-base-0.10.3/ext/ruby_debug.so
./ruby-debug-base-0.10.3/lib/ruby_debug.so
./ruby-gpgme-1.0.3/lib/gpgme_n.so
./ruby-gpgme-1.0.3/gpgme_n.so

On another machine I also have termios, rubywmq, ruby-postgres, 
sys-filesystem, RedCloth
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