SPELL=libpng
         VERSION=1.6.56
     SOURCE_HASH=sha512:e405c46d7c9cf8c6c9fb6cf35b7e8498bb863bb24a918f4a6b1aca9f1e61d8b9feb46cb67a5478b6d87da74b2baf1d1f25c43889866408fc23c0ac498094081f
          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-${VERSION}-apng.patch.gz
    SOURCE3_HASH=sha512:dbc1f1dbd5f056fba586ed62bb8a61aff74a3610acb67abfafa81cb381bdb74eb96d8cd14f248e122396105b1382209080de30f2ac02d6588fd6493f6e30b399
  SOURCE3_URL[0]=https://downloads.sourceforge.net/project/${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