ruby on rails - ERROR: Failed to buld gem native extension? -

ruby on rails - ERROR: Failed to buld gem native extension? -

i installing riemann monitoring tool on pc. run next command terminal:

command:

sudo gem install riemann-tools

i next error:

error: error installing riemann-tools: error: failed build gem native extension. /usr/bin/ruby1.9.1 extconf.rb /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- mkmf (loaderror) /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require' extconf.rb:1:in `<main>'

a similar error comes when installing riemann-dash riemann-client installed successfully.

i using ububtu 12.10. read online such errors , had ruby version, not able figure out reason this.

any help appreciated.

this solved me:

for debian/ubuntu

apt-get install ruby-dev zlib1g-dev

for redhat/centos/fedora:

yum install ruby-devel zlib-devel

ruby-on-rails ruby gem riemann