Gems on Windows

Some gems are not friend of Windows, so we can have a lot of difficulties to install them, so here some tips

Installing Curb

1. Create a directory structure something like this, in the same Ruby's folder:

   CD \
   MKDIR Knapsack\x86-windows
   CD Knapsack\x86-windows

2. Download libcurl.zip from https://github.com/sixviv/gemson_windows.git and extract the files in the new directory

3. Set bin directory in the PATH

   PATH=C:\RailsInstaller\knapsack\x86windows\bin;C:\Windows\System32;

4. Run:

   gem install curb -- --with-curl-dir=C:\RailsInstaller\knapsack\x86-windows

Installing libv8

1. Install Python, ensure that python and ruby are in the same directory

2. Set the python directory in the PATH

3.Run:
>gem install libv8

Installing therubyracer

1. You need to have installed libv8

2. Just put on your gemfile: gem 'therubyracer', :platform => :ruby