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{ stdenv, fetchFromGitHub, fetchpatch, cmake }:
stdenv.mkDerivation rec {
name = "zopfli-${version}";
version = "1.0.1";
src = fetchFromGitHub {
owner = "google";
repo = "zopfli";
rev = name;
name = "${name}-src";
sha256 = "1dclll3b5azy79jfb8vhb21drivi7vaay5iw0lzs4lrh6dgyvg6y";
};
patches = [
(fetchpatch {
sha256 = "07z6df1ahx40hnsrcs5mx3fc58rqv8fm0pvyc7gb7kc5mwwghvvp";
name = "Fix-invalid-read-outside-allocated-memory.patch";
url = "https://github.com/google/zopfli/commit/9429e20de3885c0e0d9beac23f703fce58461021.patch";
})
(fetchpatch {
sha256 = "07m8q5kipr84cg8i1l4zd22ai9bmdrblpdrsc96llg7cm51vqdqy";
name = "zopfli-bug-and-typo-fixes.patch";
url = "https://github.com/google/zopfli/commit/7190e08ecac2446c7c9157cfbdb7157b18912a92.patch";
})
(fetchpatch {
name = "zopfli-cmake.patch";
url = "https://github.com/google/zopfli/commit/7554e4d34e7000b0595aa606e7d72357cf46ba86.patch";
sha256 = "1pvfhir2083v1l042a4dy5byqdmad7sxnd4jrprl2hzzb2avxbbn";
})
];
nativeBuildInputs = [ cmake ];
cmakeFlags = [ "-DBUILD_SHARED_LIBS=ON" "-DCMAKE_BUILD_WITH_INSTALL_RPATH=ON" ];
installPhase = ''
install -D -t $out/bin zopfli*
install -d $out/lib
cp -d libzopfli* $out/lib
install -Dm444 -t $out/share/doc/zopfli ../README*
'';
enableParallelBuilding = true;
meta = with stdenv.lib; {
inherit (src.meta) homepage;
description = "Very good, but slow, deflate or zlib compression";
longDescription = ''
Zopfli Compression Algorithm is a compression library programmed
in C to perform very good, but slow, deflate or zlib compression.
This library can only compress, not decompress. Existing zlib or
deflate libraries can decompress the data.
'';
platforms = platforms.unix;
license = licenses.asl20;
maintainers = with maintainers; [ bobvanderlinden nckx ];
};
}
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