Can not compile the code

[waters222]

Hi.
I tried to compile the source code on my system, however it keeps give me error;
The error is realted to libPNG
opt/local/include/png.h:2049:27: note: 'png_get_compression_type' declared here
PNG_EXPORT(121, png_byte, png_get_compression_type, (png_const_structrp png_ptr,
^
/opt/local/include/pngconf.h:333:31: note: expanded from macro 'PNG_EXPORT'
PNG_EXPORTA(ordinal, type, name, args, PNG_EMPTY)
^
/opt/local/include/pngconf.h:323:50: note: expanded from macro 'PNG_EXPORTA'
PNG_FUNCTION(PNG_EXPORT_TYPE(type),(PNGAPI name),PNGARG(args),
^
/opt/local/include/pngconf.h:309:70: note: expanded from macro 'PNG_FUNCTION'

define PNG_FUNCTION(type, name, args, attributes) attributes type name args

                                                                 ^

src/PNGWriter.cpp:545:38: error: cannot initialize a parameter of type 'png_const_inforp' (aka 'const png_info_def *') with an lvalue of type 'int'
png_set_compressor_type(png, PNG_WRITER_USE_ZOPFLI);
^~~~~~~~~~~~~~~~~~~~~
/opt/local/include/png.h:2050:22: note: passing argument to parameter 'info_ptr' here
png_const_inforp info_ptr));
^
/opt/local/include/pngconf.h:333:37: note: expanded from macro 'PNG_EXPORT'
PNG_EXPORTA(ordinal, type, name, args, PNG_EMPTY)
^
/opt/local/include/pngconf.h:323:63: note: expanded from macro 'PNG_EXPORTA'
PNG_FUNCTION(PNG_EXPORT_TYPE(type),(PNGAPI name),PNGARG(args),
^
/opt/local/include/pngconf.h:116:27: note: expanded from macro 'PNGARG'

define PNGARG(arglist) arglist

                      ^

/opt/local/include/pngconf.h:309:75: note: expanded from macro 'PNG_FUNCTION'

define PNG_FUNCTION(type, name, args, attributes) attributes type name args