Hi, I am trying to install Ruby WMQ on RHEL6 and SLES11, and it is failing on both environments. Here is what I get: *The scenario is for SuSe Ver 11*. ruby -v ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-linux] SUSE Linux Enterprise Server 11 (x86_64) VERSION = 11 PATCHLEVEL = 0 gem install rubywmq Building native extensions. This could take a while... ERROR: Error installing rubywmq: ERROR: Failed to build gem native extension. /usr/local/bin/ruby extconf.rb *** 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. Provided configuration options: --with-opt-dir --without-opt-dir --with-opt-include --without-opt-include=${opt-dir}/include --with-opt-lib --without-opt-lib=${opt-dir}/lib --with-make-prog --without-make-prog --srcdir=. --curdir --ruby=/usr/local/bin/ruby <internal:lib/rubygems/custom_require>:29:in `require': no such file to load -- generate/generate_reason (LoadError) from <internal:lib/rubygems/custom_require>:29:in `require' from extconf.rb:18:in `<main>' Gem files will remain installed in /usr/local/lib/ruby/gems/1.9.1/gems/rubywmq-1.0.0 for inspection. Results logged to /usr/local/lib/ruby/gems/1.9.1/gems/rubywmq-1.0.0/ext/gem_make.out *Red Hat Enterprise Linux Ver 6:* ruby -v ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-linux] Linux myhost 2.6.32-71.29.1.el6.x86_64 #1 SMP Tue May 10 23:11:30 EDT 2011 x86_64 x86_64 x86_64 GNU/Linux gem install rubywmq NOTE: Gem::Specification#default_executable= is deprecated with no replacement. It will be removed on or after 2011-10-01. Gem::Specification#default_executable= called from /usr/local/lib/ruby/gems/1.9.1/specifications/rubygems-update-1.8.0.gemspec:11. NOTE: Gem::Specification#default_executable= is deprecated with no replacement. It will be removed on or after 2011-10-01. Gem::Specification#default_executable= called from /usr/local/lib/ruby/gems/1.9.1/specifications/nokogiri-1.4.4.gemspec:10. NOTE: Gem::Specification#default_executable= is deprecated with no replacement. It will be removed on or after 2011-10-01. Gem::Specification#default_executable= called from /usr/local/lib/ruby/gems/1.9.1/specifications/bundler-1.0.13.gemspec:10. NOTE: Gem::Specification#default_executable= is deprecated with no replacement. It will be removed on or after 2011-10-01. Gem::Specification#default_executable= called from /usr/local/lib/ruby/gems/1.9.1/specifications/rubygems-update-1.8.0.gemspec:11. NOTE: Gem::Specification#default_executable= is deprecated with no replacement. It will be removed on or after 2011-10-01. Gem::Specification#default_executable= called from /usr/local/lib/ruby/gems/1.9.1/specifications/nokogiri-1.4.4.gemspec:10. NOTE: Gem::Specification#default_executable= is deprecated with no replacement. It will be removed on or after 2011-10-01. Gem::Specification#default_executable= called from /usr/local/lib/ruby/gems/1.9.1/specifications/bundler-1.0.13.gemspec:10. Fetching: rubywmq-1.0.0.gem (100%) Building native extensions. This could take a while... /usr/local/lib/ruby/site_ruby/1.9.1/rubygems/ext/builder.rb:48: warning: Insecure world writable dir /usr/local/shoes in PATH, mode 040777 ERROR: Error installing rubywmq: ERROR: Failed to build gem native extension. /usr/local/bin/ruby extconf.rb NOTE: Gem::Specification#default_executable= is deprecated with no replacement. It will be removed on or after 2011-10-01. Gem::Specification#default_executable= called from /usr/local/lib/ruby/gems/1.9.1/specifications/rubygems-update-1.8.0.gemspec:11. NOTE: Gem::Specification#default_executable= is deprecated with no replacement. It will be removed on or after 2011-10-01. Gem::Specification#default_executable= called from /usr/local/lib/ruby/gems/1.9.1/specifications/nokogiri-1.4.4.gemspec:10. NOTE: Gem::Specification#default_executable= is deprecated with no replacement. It will be removed on or after 2011-10-01. Gem::Specification#default_executable= called from /usr/local/lib/ruby/gems/1.9.1/specifications/bundler-1.0.13.gemspec:10. *** 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. Provided configuration options: --with-opt-dir --without-opt-dir --with-opt-include --without-opt-include=${opt-dir}/include --with-opt-lib --without-opt-lib=${opt-dir}/lib --with-make-prog --without-make-prog --srcdir=. --curdir --ruby=/usr/local/bin/ruby <internal:lib/rubygems/custom_require>:29:in `require': no such file to load -- generate/generate_reason (LoadError) from <internal:lib/rubygems/custom_require>:29:in `require' from extconf.rb:18:in `<main>' Gem files will remain installed in /usr/local/lib/ruby/gems/1.9.1/gems/rubywmq-1.0.0 for inspection. Results logged to /usr/local/lib/ruby/gems/1.9.1/gems/rubywmq-1.0.0/ext/gem_make.out *Thank you* -- Ruby Student