and CMakeLists.txt, and changed the name of png_ptr->jmpbuf in pngstruct.h
to png_ptr->png_jmpbuf.

when building on AIX.

otherwise AIX reserves "jmpbuf" and renames it to "__jmpbuf".

Removed unused "buffer_size" variable from png_decompress_chunk().

and updated the "last change" comments to 1.5.0

and undid the linewrapping that it required.
Revised comments in pngstruct.h and pnginfo.h and added pointers to
the libpng license.

from png.h

    in pngtest.c

and Makefile.in to be consistent with changes in libpng-1.4.0rc03

in pngset.c to be consistent with other changes in version 1.2.38.

    (revising the change in 1.4.0beta99)

function.  Pass bit_depth=8 to png_build_gamma_table() when bit_depth is 16
but the PNG_16_TO_8 transform has been set, to avoid unnecessary build of
16-bit tables.

The change in version 1.2.41beta08 caused transparency to be handled wrong
in some 16-bit datastreams (Yusaku Sugai).

from contrib/pngminim/*/makefile