Hello I'm trying to install gem sqlite 3 and I'm getting this error:



root@kundera-laptop:/usr/local/lib/ruby/gems# gem install sqlite3-ruby
--version 1.2.2
Building native extensions.  This could take a while...
ERROR:  Error installing sqlite3-ruby:
  ERROR: Failed to build gem native extension.

/usr/local/bin/ruby extconf.rb
checking for fdatasync() in -lrt... yes
checking for sqlite3.h... 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
  --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=/usr/local/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
  --with-rtlib
  --without-rtlib


Gem files will remain installed in
/usr/local/lib/ruby/gems/1.9.1/gems/sqlite3-ruby-1.2.2 for inspection.
Results logged to
/usr/local/lib/ruby/gems/1.9.1/gems/sqlite3-ruby-1.2.2/ext/sqlite3_api/gem_make.out

The make out file was not helpful at all so if anyone knows what is the
problem , what do I need to install I will highly appreciate it.
Regards
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