[edit] I was troubleshooting problems with my development environment when I noticed one of my problems was the dependency on ImageMagick, since it\'s a vit
On Mountain Lion OSX,
Even with the updated brew for imagemagick(which includes libtool), this error seemed to happen to me.
so i fixed it using the following commands
brew uninstall libtool brew install libtool --universal brew link libtool --force