Python Imaging Library (PIL)

http://www.pythonware.com/products/pil/

Modify
# standard locations
add_directory(include_dirs, "/usr/include")
add_directory(include_dirs, "/usr/local/include")

import platform
if platform.architecture()[0] == "64bit":
add_directory(library_dirs, "/usr/lib64")
add_directory(library_dirs, "/usr/local/lib64")
else:
add_directory(library_dirs, "/usr/lib")
add_directory(library_dirs, "/usr/local/lib")