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{ stdenv, fetchurl, xz }:
stdenv.mkDerivation rec {
name = "gzip-${version}";
version = "1.7";
src = fetchurl {
url = "mirror://gnu/gzip/${name}.tar.xz";
sha256 = "1as1ddq58spflzz5kxm0ni0xfpswrkkrncjpxyb3aw77gizcacgv";
};
outputs = [ "out" "man" "info" ];
enableParallelBuilding = true;
buildInputs = [ xz.bin ];
preConfigure = if stdenv.isCygwin then ''
sed -i lib/fpending.h -e 's,include <stdio_ext.h>,,'
'' else null;
# In stdenv-linux, prevent a dependency on bootstrap-tools.
makeFlags = "SHELL=/bin/sh GREP=grep";
meta = {
homepage = https://www.gnu.org/software/gzip/;
description = "GNU zip compression program";
longDescription =
''gzip (GNU zip) is a popular data compression program written by
Jean-loup Gailly for the GNU project. Mark Adler wrote the
decompression part.
We developed this program as a replacement for compress because of
the Unisys and IBM patents covering the LZW algorithm used by
compress. These patents made it impossible for us to use compress,
and we needed a replacement. The superior compression ratio of gzip
is just a bonus.
'';
platforms = stdenv.lib.platforms.all;
license = stdenv.lib.licenses.gpl3Plus;
};
}
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