           SPELL=libpng
         VERSION=1.6.53
     SOURCE_HASH=sha512:569f81d57dcce7bb874a45fa9f8db2044585245d2eb0c0485a1b03c2e338ecaec6bfda3cb94ad2a34951997414c69fc0373c8c5852d6c313c03e8a946ff345c6
          SOURCE=$SPELL-$VERSION.tar.xz
   SOURCE_URL[0]=https://downloads.sourceforge.net/project/${SPELL}/${SPELL}16/${VERSION}/${SOURCE}
# Watch: https://sourceforge.net/projects/libpng/files/libpng16/ a href="/projects/libpng/files/libpng16/([0-9.]+)/"
if [[ $ANI_PNG == y ]]; then
         SOURCE3=$SPELL-${VERSION}-apng.patch.gz
    SOURCE3_HASH=sha512:9da270cb434fc00e16e66535c955e283367b7bf9ae64292b3fa3921e03d101b2c800041db23687e8653e2a2db1be126497d9c5bfd74cbe626bf2ad7d6f706978
  SOURCE3_URL[0]=https://downloads.sourceforge.net/project/${SPELL}-apng/${SPELL}16/${VERSION}/${SOURCE3}
fi
SOURCE_DIRECTORY="$BUILD_DIRECTORY/$SPELL-$VERSION"
      LICENSE[0]=ZLIB
        WEB_SITE=https://www.libpng.org/pub/png/libpng.html
         ENTERED=20010922
  SECURITY_PATCH=15
        KEYWORDS="graphics libs"
           SHORT="library that supports the PNG graphics format"
cat << EOF
The PNG library is a collection of routines used to create and manipulate PNG
format graphics files. The PNG format was designed as a replacement for GIF and,
to a lesser extent, TIFF, with many improvements and extensions.
EOF
