[root@localhost snow]# gem install ruby-xslt
Building native extensions.  This could take a while...
ERROR:  Error installing ruby-xslt:
	ERROR: Failed to build gem native extension.

    /usr/bin/ruby extconf.rb
/usr/share/ruby/mkmf.rb:1678: warning: instance variable @libdir_basename not initialized
/usr/share/ruby/mkmf.rb:1678: warning: instance variable @libdir_basename not initialized
checking for xmlParseDoc() in -lxml2... yes
checking for xsltParseStylesheetFile() in -lxslt... no
checking for exsltRegisterAll() in -lexslt... no
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.