# From http://sourceforge.net/projects/libpng/files/libpng16/1.6.31/
sha1 de695064363df331734466981ef7f6546ef516bf  libpng-1.6.31.tar.xz
# Locally computed:
sha256 232a602de04916b2b5ce6f901829caf419519e6a16cc9cd7c1c91187d3ee8b41  libpng-1.6.31.tar.xz