gistfile1.txt

➜  django-ukgeocode git:(develop) ✗ sudo gem install ruby-shadow
Password:
Building native extensions.  This could take a while...
ERROR:  Error installing ruby-shadow:
        ERROR: Failed to build gem native extension.

        /Users/maxmanders/.rvm/rubies/ruby-1.9.2-p320/bin/ruby extconf.rb
checking for getspent() in -lshadow... no
checking for getspent()... no
checking for fgetspent()... no
checking for setspent()... no
checking for endspent()... no
checking for lckpwdf()... no
checking for ulckpwdf()... 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.

Provided configuration options:
        --with-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=/Users/maxmanders/.rvm/rubies/ruby-1.9.2-p320/bin/ruby
        --with-shadowlib
        --without-shadowlib


Gem files will remain installed in /Users/maxmanders/.rvm/gems/ruby-1.9.2-p320/gems/ruby-shadow-2.1.4 for inspection.
Results logged to /Users/maxmanders/.rvm/gems/ruby-1.9.2-p320/gems/ruby-shadow-2.1.4/./gem_make.out