SPELL=libpng
         VERSION=1.6.37
     SOURCE_HASH=sha512:59e8c1059013497ae616a14c3abbe239322d3873c6ded0912403fc62fb260561768230b6ab997e2cccc3b868c09f539fd13635616b9fa0dd6279a3f63ec7e074
          SOURCE=$SPELL-$VERSION.tar.xz
   SOURCE_URL[0]=https://downloads.sourceforge.net/project/libpng/libpng16/${VERSION}/${SOURCE}
if [[ $ANI_PNG == y ]]; then
         SOURCE3=$SPELL-${VERSION}-apng.patch.gz
    SOURCE3_HASH=sha512:226adcb3a8c60f2267fe2976ab531329ae43c2603dab4d0cf8f16217d64069936b879f3d6516b75d259c47d6f5c5b1f24f887602206c8e46abde0fb7f5c7946b
  SOURCE3_URL[0]=https://downloads.sourceforge.net/project/libpng-apng/libpng16/${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