Former-commit-id: 17e1056354b11944cc2897776c32ba3d936b849e
@@ -155,6 +155,9 @@ To build the a static YImg library on Mac OS X issue:
cd external/yimg
make
+You may need to install libpng. Systems with X11 might find this already
+installed at `/usr/X11/lib`.
+
### Windows (Experimental) ###
To build a static library (.lib) on windows, open Visual Studio 2010.