1 2 3 4 5 | Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. /opt/csw/bin/ruby18 extconf.rb extconf.rb:1:in `require': no such file to load -- mkmf (LoadError) from extconf.rb:1 |
If you’re using OpenCSW, make sure you’ve got the ruby18_dev package installed.