ruby on rails error for databases

I am new to ror when i try to bundle install below error is showing when i use mysql2 instead of sqllite same error

i am using linux hosting and site shows internal server error as per my little knowledge server is using phussion passenger

Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /opt/ruby/bin/ruby extconf.rb
checking for sqlite3.h... *** 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}/lib
        --with-make-prog
        --without-make-prog
        --srcdir=.
        --curdir
        --ruby=/opt/ruby/bin/ruby
        --with-sqlite3-dir
        --without-sqlite3-dir
        --with-sqlite3-include
        --without-sqlite3-include=${sqlite3-dir}/include
        --with-sqlite3-lib
        --without-sqlite3-lib=${sqlite3-dir}/lib
/opt/ruby/lib/ruby/1.9.1/mkmf.rb:381:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
You have to install development tools first.
        from /opt/ruby/lib/ruby/1.9.1/mkmf.rb:506:in `try_cpp'
        from /opt/ruby/lib/ruby/1.9.1/mkmf.rb:970:in `block in find_header'
        from /opt/ruby/lib/ruby/1.9.1/mkmf.rb:790:in `block in checking_for'
        from /opt/ruby/lib/ruby/1.9.1/mkmf.rb:284:in `block (2 levels) in postpone'
        from /opt/ruby/lib/ruby/1.9.1/mkmf.rb:254:in `open'
        from /opt/ruby/lib/ruby/1.9.1/mkmf.rb:284:in `block in postpone'
        from /opt/ruby/lib/ruby/1.9.1/mkmf.rb:254:in `open'
        from /opt/ruby/lib/ruby/1.9.1/mkmf.rb:280:in `postpone'
        from /opt/ruby/lib/ruby/1.9.1/mkmf.rb:789:in `checking_for'
        from /opt/ruby/lib/ruby/1.9.1/mkmf.rb:969:in `find_header'
        from extconf.rb:30:in `<main>'


Gem files will remain installed in /home/jformmp7/ruby/gems/gems/sqlite3-1.3.10 for inspection.
Results logged to /home/jformmp7/ruby/gems/gems/sqlite3-1.3.10/ext/sqlite3/gem_make.out
An error occurred while installing sqlite3 (1.3.10), and Bundler cannot
continue.
Make sure that `gem install sqlite3 -v '1.3.10'` succeeds before bundling.