From: "ara.t.howard" <ara.t.howard@...>
Date: 2008-06-21T00:24:53+09:00
Subject: Re: rbconfig not indicating correct ruby-dev libaries locations


On Jun 20, 2008, at 6:52 AM, Axel Etzold wrote:

> Dear all,
>
> when trying to install the newest Shoes on ubuntu 8.04 from source,  
> I got an error
>
> shoes build options:
> CC       = cc
> RUBY     = /usr/local
> OPTIONS  =
> ruby 1.8.6 (2008-03-03 patchlevel 114) [i686-linux]
> CC -o dist/libshoes.so
> /usr/bin/ld: cannot find -lruby
> collect2: ld returned 1 exit status
> make: *** [dist/libshoes.so] Error 1
>
> So the correct ruby development library files cannot be found, even  
> though they are installed, because
> they are named ruby1.8-dev instead of ruby-dev .
> Looking at the Makefile, I see this:
>
> RUBY_INCS = `ruby -rrbconfig -e 'puts Config::CONFIG["archdir"]'`
> RUBY_SO = `ruby -rrbconfig -e 'puts Config::CONFIG["RUBY_SO_NAME"]'`
> RUBY_LIBS = `ruby -rrbconfig -e 'puts  
> Config::CONFIG["LIBRUBYARG_SHARED"]'` -l${RUBY_SO}
> RUBY_PREFIX = `ruby -rrbconfig -e 'puts Config::CONFIG["prefix"]'`
>
> Why can't Ruby determine the names of these files correctly ?
>
> Thank you very much,
>
> Best regards,
>
> Axel


package managers *often* completely hose rbconfig since it ends up  
reflecting the packager's machine and not the target machine.  this is  
extremely true in the case of the one-click-installer and why i  
personally always install ruby by hand.

in your case though, you may simply need to set LD_LIBRARY_PATH to  
point to the right spot or manage some softlinks so things are found  
where they are expected.


cheers.


>
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