1 ## libs/libpng/ac/libpng.ac: configure.ac fragment for the TeX Live subdirectory libs/libpng/
3 dnl Copyright (C) 2009 Peter Breitenlohner <tex-live@tug.org>
4 dnl You may freely use, modify and/or distribute this file.
6 ## basic check of system libpng
9 [png_structp png; png_voidp io; png_rw_ptr fn;
10 png_set_read_fn(png, io, fn);])