Kevin, no need to change mine to not have deps, you can force it to install
and ignore the deps if you want to use macport's for deps.

Just add --ignore-dependencies in your install command.

Checkout the `man brew` help file.

--

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
William Woodall
Graduate Software Engineering
Auburn University
w@auburn.edu
wjwwood@gmail.com
williamjwoodall.com
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~



On Sun, Sep 4, 2011 at 10:28 AM, Kevin Walchko <kevin.walchko@gmail.com>wrote:

> Brian,
>
> I finally got Homebrew working with only OpenCV 2.3.1 in it. The rest of my
> needs are satisfied with Macports. I changed William's opencv.rb formula so
> that it doesn't have any depends in it, shown below:
>
> require 'formula'
>
> class Opencv < Formula
>   url '
> http://downloads.sourceforge.net/project/opencvlibrary/opencv-unix/2.3.1/OpenCV-2.3.1.tar.bz2'
>   version "2.3.1"
>   homepage 'http://opencv.willowgarage.com/wiki/'
>   md5 '827c9f8aa14384c531c73aa165f9b777'
>
>   def install
>     makefiles = "cmake . "
>     system makefiles
>     system "make"
>     system "make install"
>   end
>
>   def caveats; <<-EOS.undent
>     The OpenCV Python module will not work until you edit your PYTHONPATH
> like so:
>       export PYTHONPATH=
> "#{HOMEBREW_PREFIX}/lib/python2.7/site-packages/:$PYTHONPATH"
>
>     To make this permanent, put it in your shell's profile (e.g.
> ~/.profile).
>     EOS
>   end
> end
>
> It compiles and installs fine. Later I will play with changing options
> (tbb, eigen, ffmpeg, etc), but this appears to compile most of what I need
> (python 2.7, QT, etc).
>
> My problem now is, when I run some of my code that uses OpenCV, it crashes
> with "terminate called throwing an exceptionAbort trap: 6" and I have no
> idea what is going on. The really weird thing is when I switch back to my
> Diamondback ROS, using this same code (just recompiling to ensure it is
> using this Homebrew OpenCV) no crash, so I am thinking it is not Homebrew
> OpenCV but something else.
>
>
> On Sep 2, 2011, at 2:44 PM, Brian Gerkey wrote:
>
> On Fri, Sep 2, 2011 at 10:37 AM, Kevin Walchko <kevin.walchko@gmail.com>
> wrote:
>
> I don't like installing source code I can't easily remove. That is why I
> put up with macports.
>
>
> hi Kevin,
>
> That's a fair point.  But it's also an indictment of entire source
> rosdep approach to pulling in third-party stuff.  Can you suggest an
> alternative?
>
> We need a way to install code that isn't available (or at least isn't
> available at the needed version, or in the needed configuration) from
> an OS's package manager.
>
> brian.
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>
>
>
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