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{ lib
, buildPythonPackage
, pythonOlder
, fetchFromGitHub
, pyvcd
, bitarray
, jinja2
# nmigen.{test,build} call out to these
, yosys
, symbiyosys
, nextpnr ? null
, icestorm ? null
, trellis ? null
# for tests
, yices
}:
buildPythonPackage rec {
pname = "nmigen";
version = "unstable-2019-08-31";
realVersion = lib.substring 0 7 src.rev;
src = fetchFromGitHub {
owner = "m-labs";
repo = "nmigen";
rev = "2e206220462c67aa6ae97f7515a2191440fd61b3";
sha256 = "0y3w6vd493jqm9b8ppgwzs02v1al8w1n5gylljlsw70ci7fyk4qa";
};
disabled = pythonOlder "3.6";
propagatedBuildInputs = [ pyvcd bitarray jinja2 ];
checkInputs = [ yosys yices ];
postPatch = let
tool = pkg: name:
if pkg == null then {} else { "${name}" = "${pkg}/bin/${name}"; };
# Only FOSS toolchain supported out of the box, sorry!
toolchainOverrides =
tool yosys "yosys" //
tool symbiyosys "sby" //
tool nextpnr "nextpnr-ice40" //
tool nextpnr "nextpnr-ecp5" //
tool icestorm "icepack" //
tool trellis "ecppack";
in ''
substituteInPlace setup.py \
--replace 'versioneer.get_version()' '"${realVersion}"'
substituteInPlace nmigen/_toolchain.py \
--replace 'overrides = {}' \
'overrides = ${builtins.toJSON toolchainOverrides}'
'';
meta = with lib; {
description = "A refreshed Python toolbox for building complex digital hardware";
homepage = https://github.com/m-labs/nmigen;
license = licenses.bsd0;
maintainers = with maintainers; [ emily ];
};
}
|