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{ lib, stdenv, fetchFromGitHub, openmp ? null }:
with lib;
stdenv.mkDerivation {
pname = "b2sum";
version = "unstable-2018-06-11";
src = fetchFromGitHub {
owner = "BLAKE2";
repo = "BLAKE2";
rev = "320c325437539ae91091ce62efec1913cd8093c2";
sha256 = "E60M9oP/Sdfg/L3ZxUcDtUXhFz9oP72IybdtVUJh9Sk=";
};
# Use the generic C implementation rather than the SSE optimised version on non-x86 platforms
postPatch = lib.optionalString (!stdenv.hostPlatform.isx86) ''
substituteInPlace makefile \
--replace "#FILES=b2sum.c ../ref/" "FILES=b2sum.c ../ref/" \
--replace "FILES=b2sum.c ../sse/" "#FILES=b2sum.c ../sse/"
'';
sourceRoot = "source/b2sum";
buildInputs = [ openmp ];
buildFlags = [ (optional (openmp == null) "NO_OPENMP=1") ];
installFlags = [ "PREFIX=$(out)" ];
meta = {
description = "The b2sum utility is similar to the md5sum or shasum utilities but for BLAKE2";
homepage = "https://blake2.net";
license = with licenses; [ asl20 cc0 openssl ];
maintainers = with maintainers; [ kirelagin ];
platforms = platforms.unix;
};
}
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