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{ stdenv, fetchurl, zlib, apngSupport ? true }:
assert zlib != null;
let
patchVersion = "1.6.36";
patch_src = fetchurl {
url = "mirror://sourceforge/libpng-apng/libpng-${patchVersion}-apng.patch.gz";
sha256 = "03ywdwaq1k3pfslvbs2b33z3pdmazz6yp8g56mzafacvfgd367wc";
};
whenPatched = stdenv.lib.optionalString apngSupport;
in stdenv.mkDerivation rec {
name = "libpng" + whenPatched "-apng" + "-${version}";
version = "1.6.36";
src = fetchurl {
url = "mirror://sourceforge/libpng/libpng-${version}.tar.xz";
sha256 = "06d35a3xz2a0kph82r56hqm1fn8fbwrqs07xzmr93dx63x695szc";
};
patches = [
(fetchurl { # https://github.com/glennrp/libpng/issues/266
url = "https://salsa.debian.org/debian/libpng1.6/raw/0e1348f3d/debian/patches/272.patch";
sha256 = "1d36khgryq2p27bdx10xrr4kcjr7cdfdj2zhdcjzznpnpns97s6n";
})
(fetchurl { # https://github.com/glennrp/libpng/issues/275
url = "https://salsa.debian.org/debian/libpng1.6/raw/853d1977/debian/patches/CVE-2019-7317.patch";
sha256 = "0c8qc176mqh08kcxlnx40rzdggchihkrlzqw6qg6lf0c9ygkf55k";
})
];
postPatch = whenPatched "gunzip < ${patch_src} | patch -Np1";
outputs = [ "out" "dev" "man" ];
outputBin = "dev";
propagatedBuildInputs = [ zlib ];
doCheck = true;
passthru = { inherit zlib; };
meta = with stdenv.lib; {
description = "The official reference implementation for the PNG file format" + whenPatched " with animation patch";
homepage = http://www.libpng.org/pub/png/libpng.html;
license = licenses.libpng2;
platforms = platforms.all;
maintainers = [ maintainers.vcunat maintainers.fuuzetsu ];
};
}
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