installing Sqlite3-ruby error -

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when tried install: gem install sqlite3-ruby shows:

    building native extensions.  take while... error:  error installing sqlite3-ruby:     error: failed build gem native extension.  /usr/bin/ruby1.8 extconf.rb extconf.rb:3:in `require': no such file load -- mkmf (loaderror)     extconf.rb:3   gem files remain installed in /usr/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.3.1 inspection. results logged /usr/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.3.1/ext/sqlite3/gem_make.out

my environment: sqlite: 2.8.17 rails: 3.0.0 ruby: 1.9.2 ubuntu: 10.04 gem: 1.3.7

i have looking similiar question in webs , so, nothing help, should do? :(

i had same problem. solved by

sudo apt-get install sqlite3 libsqlite3-dev

then following command worked.

sudo gem install sqlite3-ruby

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