The examples require extra libraries, and aren't even part of the final
installation.
FixesHomebrew/homebrew#14756.
Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Upgrade box2d to version 2.2.1.
Use new CMake arguments listed in the docs for compiling.
Build out of source.
No errors on Snow Leopard compiling with XCode-4.0.2 using
clang-2.0.139 and llvm-2335.9.
ClosesHomebrew/homebrew#8483.
Signed-off-by: Jack Nagel <jacknagel@gmail.com>