From: Pw Ktp <amar.seeam@...>
Date: 2010-08-13T23:03:52+09:00
Subject: Re: libstdc++

Brian Candler wrote:
> Pw Ktp wrote:
>> when trying to install a gem i am getting a 'libstdc++' not installed
>> but when i check i have libstdc++6 and libstdc++5 in a ubuntu 7.10
>> install.
> 
> Please post the gem install command and the *exact* response you get 
> back from it (using copy-paste).

here

:/$ sudo gem install derailed-rhouse

Building native extensions.  This could take a while...
ERROR:  Error installing derailed-rhouse:
        ERROR: Failed to build gem native extension.

/usr/bin/ruby1.8 extconf.rb
checking for main() in -lstdc++... no
You must have libstdc++ installed.
*** 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/ruby1.8
        --with-stdc++lib
        --without-stdc++lib


Gem files will remain installed in 
/usr/lib/ruby/gems/1.8/gems/id3lib-ruby-0.5.0 for inspection.
Results logged to 
/usr/lib/ruby/gems/1.8/gems/id3lib-ruby-0.5.0/ext/gem_make.out
linuxmce@dcerouter:/$

thanks
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