From: Tristin Davis <tristin.colby@...>
Date: 2008-07-13T22:29:15+09:00
Subject: Re: Can't install gems after a new ubuntu install

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I installed libmysqlclient15-dev or libmysqlclient15off to fix that
problem.  I can't remember which one. :)



On Sun, Jul 13, 2008 at 6:12 AM, Max Williams <toastkid.williams@gmail.com>
wrote:

> Dick Davies wrote:
> > On Sun, Jul 13, 2008 at 12:20 AM, miles.sterrett@gmail.com
> > <miles.sterrett@gmail.com> wrote:
> >
> >> As a note, for those that may come across this thread in the future...
> >>
> >> 'sudo apt-get install build-essential'
> >
> >
> > Bit odd that it's not a dependency of the ruby dev package, isn't it ?
>
> Hey guys.  I'm not sorted after all, argh.  Humbly asking for more
> help...
>
> My problem is with trying to install the mysql gem.
> I did the build-essential install above, that worked fine, but i get ths
> when i try to install the mysql gem:
>
> >max@max-laptop:~$ sudo  gem install mysql
> >Need to update 1 gems from http://gems.rubyforge.org
> >.
> >complete
> >Select which gem to install for your platform (i486-linux)
> > 1. mysql 2.7.3 (mswin32)
> > 2. mysql 2.7.1 (mswin32)
> > 3. mysql 2.7 (ruby)
> > 4. mysql 2.6 (ruby)
> > 5. Skip this gem
> > 6. Cancel installation
> >> 3
> >Building native extensions.  This could take a while...
> >ERROR:  While executing gem ... (Gem::Installer::ExtensionBuildError)
> >    ERROR: Failed to build gem native extension.
> >
> >ruby extconf.rb install mysql
> >checking for mysql_query() in -lmysqlclient... no
> >checking for main() in -lm... yes
> >checking for mysql_query() in -lmysqlclient... no
> >checking for main() in -lz... no
> >checking for mysql_query() in -lmysqlclient... no
> >checking for main() in -lsocket... no
> >checking for mysql_query() in -lmysqlclient... no
> >checking for main() in -lnsl... yes
> >checking for mysql_query() in -lmysqlclient... 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.
>
> I looked in the relevant mkmf.log file and found a load of stuff that's
> way over my head.  There's loads of errors in it, i'll just post the
> first up:
>
> >find_library: checking for mysql_query() in -lmysqlclient...
> >-------------------- no
> >
> >"cc -o conftest -I. -I/usr/lib/ruby/1.8/i486-linux -I.
> -I/usr/local/include  -fno-strict-aliasing -g -g -O2  -fPIC conftest.c
>  -L"." -L"/us$
> >conftest.c: In function 't':
> >conftest.c:3: error: 'mysql_query' undeclared (first use in this function)
> >conftest.c:3: error: (Each undeclared identifier is reported only once
> >conftest.c:3: error: for each function it appears in.)
> >checked program was:
> >/* begin */
> >1: /*top*/
> >2: int main() { return 0; }
> >3: int t() { void ((*volatile p)()); p = (void ((*)()))mysql_query; return
> 0; }
> >/* end */
>
> --
> Posted via http://www.ruby-forum.com/.
>
>

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