skia2/third_party/libpng/README.google
scroggo 09f5cd44ae Prefix png functions
This way multiple copies of libpng can coexist.

Update libpng's README.google
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2046603002

Review-Url: https://codereview.chromium.org/2046603002
2016-06-06 08:57:50 -07:00

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URL: http://www.libpng.org/pub/png/libpng.html
Version: 1.6.22rc01
License: libpng license
License File: LICENSE, pulled out of png.h
Description: png compression/decompression library
Local Modifications:
(1) Created pnglibconf.h from pnglibconf.h.prebuilt. This
is mostly a rename, with Skia-specific settings at the end.
The only difference is for pngprefix.h.
(2) Included Intel optimizations by running:
"patch -i contrib/intel/intel_sse.patch -p1"
(3) Removed files unused by Skia
(4) Fixed an undefined behavior bug (skbug.com/5390)
(5) Add pngprefix.h, so multiple versions of libpng can
coexist.