gem

Unable to install gem – Failed to build gem native extension – cannot load such file — mkmf (LoadError)

by

Ruby 1.9.3 The part of Gemfile #…………… gem “pony” gem “bcrypt-ruby”, :require => “bcrypt” gem “nokogiri” #……………… When I’m trying to install gems, I get an error alex@ubuntu:~/$ bundle Fetching gem metadata from http://rubygems.org/……… Fetching gem metadata from http://rubygems.org/.. Enter your password to install the bundled RubyGems to your system: #####…………………………………………………… Installing bcrypt-ruby (3.0.1) with … Read more

Installing libv8 gem on OS X 10.9+

by

I’m trying to install libv8 3.16.14.3 but getting an error on OSX Mavericks using latest stable rvm and ruby-1.9.3-p125. This is the output of running the command ‘gem install libv8’: ~/src(branch:master) » gem install libv8 Fetching: libv8-3.16.14.3.gem (100%) Building native extensions. This could take a while… ERROR: Error installing therubyracer: ERROR: Failed to build gem … Read more

How to upgrade rubygems

by

I need to upgrade gems to 1.8 i tried installing the respective debian packages but it seems its not getting upgraded anujm@test:~$ dpkg -l |grep -i rubygem ii rubygems 1.3.5-1ubuntu2 package management framework for Ruby libraries/applications ii rubygems-lwes 0.8.2-1323277262 LWES rubygems ii rubygems1.8 1.3.5-1ubuntu2 package management framework for Ruby libraries/applications ii rubygems1.9 1.3.5-1ubuntu2 package management … Read more