Libpng 1.6.28rc03 - January 4, 2017

This is not intended to be a public release.  It will be replaced
within a few weeks by a public version or by another test version.

Files available for download:

Source files with LF line endings (for Unix/Linux) and with a
"configure" script

   1.6.28rc03.tar.xz (LZMA-compressed, recommended)
   1.6.28rc03.tar.gz

Source files with CRLF line endings (for Windows), without the
"configure" script

   lp1628r03.7z  (LZMA-compressed, recommended)
   lp1628r03.zip

Other information:

   1.6.28rc03-README.txt
   1.6.28rc03-LICENSE.txt
   libpng-1.6.28rc03-*.asc (armored detached GPG signatures)

Changes since the last public release (1.6.27):

Version 1.6.28rc01 [January 3, 2017]
  Fixed arm/aarch64 detection in CMakeLists.txt (Gianfranco Costamagna).
  Added option to Cmake build allowing a custom location of zlib to be
    specified in a scenario where libpng is being built as a subproject
    alongside zlib by another project (Sam Serrels).
  Changed png_ptr->options from a png_byte to png_uint_32, to accomodate
    up to 16 options.

Version 1.6.28rc02 [January 4, 2017]
  Added "include(GNUInstallDirs)" to CMakeLists.txt (Gianfranco Costamagna).
  Moved SSE2 optimization code into the main libpng source directory.
    Configure libpng with "configure --enable-intel-sse" or compile
    libpng with "-DPNG_INTEL_SSE" in CPPFLAGS to enable it.

Version 1.6.28rc03 [January 4, 2017]
  Backed out the SSE optimization and last CMakeLists.txt to allow time for QA.

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