libvirt users - Aug 2014 - Default lib/include dirs location in OS X

Hi,
I have installed libvirt via Homebrew = compiled from source
<https://github.com/Homebrew/homebrew/blob/master/Library/Formula/libvirt.rb>
.

Then I wanted to install *ruby-libvirt*

gem install ruby-libvirt

and end up with this error:

/usr/local/Cellar/ruby/2.1.2_3/bin/ruby extconf.rb
*** 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
 --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/local/Cellar/ruby/2.1.2_3/bin/ruby
--with-libvirt-include
 --without-libvirt-include
--with-libvirt-lib
 --without-libvirt-lib
--with-libvirt-config
 --without-libvirt-config
--with-pkg-config
 --without-pkg-config
extconf.rb:73:in `<main>': libvirt library not found in default
locations
(RuntimeError)

extconf failed, exit code 1

so then I passed the locations of *include* & *lib* directories as the
configuration options:

gem install ruby-libvirt --
--with-libvirt-include=/usr/local/Cellar/libvirt/1.2.7/include
--with-libvirt-lib=/usr/local/Cellar/libvirt/1.2.7/lib

which *worked*, but it's not very clean and effective solution, especially
if you have *ruby-libvirt* as a requirement in your Gemfile and you need to
install it via Bundler.

I reckon that a possible solution would be to change Homebrew formula, so
that it either installs or symlinks both dirs into locations where
*ruby-libvirt* will look for it, but *what's the default location actually*?

-- 

*Radek Simko*

On 30.08.2014 22:13, Radek Simko wrote:
> Hi,
> I have installed libvirt via Homebrew = compiled from source
>
<https://github.com/Homebrew/homebrew/blob/master/Library/Formula/libvirt.rb>.
>
> Then I wanted to install *ruby-libvirt*
>
> gem install ruby-libvirt
>
> and end up with this error:
>
> /usr/local/Cellar/ruby/2.1.2_3/bin/ruby extconf.rb
> *** 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
> --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/local/Cellar/ruby/2.1.2_3/bin/ruby
> --with-libvirt-include
> --without-libvirt-include
> --with-libvirt-lib
> --without-libvirt-lib
> --with-libvirt-config
> --without-libvirt-config
> --with-pkg-config
> --without-pkg-config
> extconf.rb:73:in `<main>': libvirt library not found in default
> locations (RuntimeError)
>
> extconf failed, exit code 1
>
> so then I passed the locations of *include* & *lib* directories as the
> configuration options:
>
> gem install ruby-libvirt --
> --with-libvirt-include=/usr/local/Cellar/libvirt/1.2.7/include
> --with-libvirt-lib=/usr/local/Cellar/libvirt/1.2.7/lib
>
> which *worked*, but it's not very clean and effective solution,
> especially if you have *ruby-libvirt* as a requirement in your Gemfile
> and you need to install it via Bundler.
>
> I reckon that a possible solution would be to change Homebrew formula,
> so that it either installs or symlinks both dirs into locations where
> *ruby-libvirt* will look for it, but *_what's the default location
> actually_*?
/usr/include/libvirt/
/usr/lib64/

If you compile libvirt youself, you can just:

   ./autogen.sh --system && make

and the script will use the default paths for you.

Michal