gistfile1.sh

Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    /usr/bin/ruby22 -r ./siteconf20150423-16182-pnl9lp.rb extconf.rb --use-system-libraries
checking for cmake... yes
checking for gmake... yes
checking for pkg-config... yes
Building Rugged using system libraries.
libgit2 version is not compatible
*** 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
        --without-opt-dir
        --with-opt-include
        --without-opt-include=${opt-dir}/include
        --with-opt-lib
        --without-opt-lib=${opt-dir}/lib64
        --with-make-prog
        --without-make-prog
        --srcdir=.
        --curdir
        --ruby=/usr/bin/$(RUBY_BASE_NAME)22
        --use-system-libraries
        --with-git2-dir
        --without-git2-dir
        --with-git2-include
        --without-git2-include=${git2-dir}/include
        --with-git2-lib
        --without-git2-lib=${git2-dir}/lib64
        --with-libgit2-config
        --without-libgit2-config
        --with-pkg-config
        --without-pkg-config

extconf failed, exit code 1

Gem files will remain installed in /home/git/gitlab/vendor/bundle/ruby/2.2.0/gems/rugged-0.21.4 for inspection.
Results logged to /home/git/gitlab/vendor/bundle/ruby/2.2.0/extensions/x86_64-linux/2.2.0/rugged-0.21.4/gem_make.out
An error occurred while installing rugged (0.21.4), and Bundler cannot continue.
Make sure that `gem install rugged -v '0.21.4'` succeeds before bundling.