This way help me to fix the problem!

SQLite3:
Without the -d option, rails will default to sqlite.
To install SQLite3:
~$ sudo apt-get install libsqlite3-0 libsqlite3-dev
~$ sudo gem install sqlite3-ruby


On Jan 13, 7:01 pm, A Z <[email protected]> wrote:
> Thanks a lot.
> I tried with gem install sqlite3-ruby --version 1.2.3 but got following
> error.
>
> [
> gem install sqlite3-ruby --version 1.2.3
> Building native extensions.  This could take a while...
> ERROR:  Error installing sqlite3-ruby:
>         ERROR: Failed to build gem native extension.
> /usr/bin/ruby extconf.rb install sqlite3-ruby --version 1.2.3
> checking for fdatasync() in -lrt... no
> 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/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/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.2.3 for inspection.
> Results logged to
> /usr/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.2.3/ext/sqlite3_api/gem_make.out
>
> ]
>
> On Tue, Jan 13, 2009 at 10:42 AM, 蕭文仁 <[email protected]> wrote:
> > Hello,
>
> > I have this problem before. I found answer on line. Just install
> > sqlite3-ruby-1.2.3 instead of 1.2.4.
>
> > command is:
>
> > gem install sqlite3-ruby --version 1.2.3
>
> > hope it is helpful for you.
>
> > 2009/1/12 Frederick Cheung <[email protected]>
>
> >> A Z wrote:
> >> > /usr/bin/ruby extconf.rb install sqlite3-ruby
> >> > checking for fdatasync() in -lrt... no
> >> > checking for sqlite3.h... no
>
> >> > make
> >> > make: *** No rule to make target `ruby.h', needed by
> >> `sqlite3_api_wrap.o'.
> >> > Stop.
>
> >> Looks like you are missing the development headers for ruby. These are
> >> often in a separate package from your linux distribution, often called
> >> something like ruby-dev or something along those lines.
>
> >> Fred
>
> >> > Gem files will remain installed in
> >> > /home/whatsup3/.gem/ruby/1.8/gems/sqlite3-ruby-1.2.4 for inspection.
> >> > Results logged to
>
> >> /home/whatsup3/.gem/ruby/1.8/gems/sqlite3-ruby-1.2.4/ext/sqlite3_api/gem_make.out
> >> > ]
>
> >> > What should I do?
> >> > The OS is :Fedora Core 7
>
>
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