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{ lib, stdenv, fetchFromGitHub, openmp ? null }:
stdenv.mkDerivation (finalAttrs: {
pname = "b2sum";
version = "20190724";
src = fetchFromGitHub {
owner = "BLAKE2";
repo = "BLAKE2";
rev = finalAttrs.version;
sha256 = "sha256-6BVl3Rh+CRPQq3QxcUlk5ArvjIj/IcPCA2/Ok0Zu7UI=";
};
# 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 = "${finalAttrs.src.name}/b2sum";
buildInputs = [ openmp ];
buildFlags = [ (lib.optional (openmp == null) "NO_OPENMP=1") ];
# clang builds require at least C99 or the build fails with:
# error: unknown type name 'inline'
env.NIX_CFLAGS_COMPILE = "-std=c99";
installFlags = [ "PREFIX=$(out)" ];
meta = with lib; {
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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