1This demonstrates the use of PNG_USER_CONFIG and pngusr.h 2 3The makefile builds a minimal read-only progressive decoder with 4embedded libpng, zlib and your system's X library. 5 6Specify the location of the zlib source (1.2.1 or later) as ZLIBSRC 7on the make command line. 8 9Edit makefile if required, to find your X library and include files, 10then 11 12 make ZLIBSRC=directory 13 14If you prefer to use the shared libraries, go to contrib/gregbook 15and build the rpng2-x application there. 16