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{ lib
, buildPythonPackage
, pythonOlder
, fetchFromGitHub
, setuptools
, setuptools_scm
, 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-2019-09-28";
# python setup.py --version
realVersion = "0.1.dev689+g${lib.substring 0 7 src.rev}";
src = fetchFromGitHub {
owner = "m-labs";
repo = "nmigen";
rev = "a02e3750bfeba44bcaad4c5de8d9eb0ef055d9c6";
sha256 = "0m399c2nm7y54q2f0fbkmi4h35csbc2llckm6k9kqdf5qc6355wd";
};
disabled = pythonOlder "3.6";
nativeBuildInputs = [ setuptools_scm ];
propagatedBuildInputs = [ setuptools 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 nmigen/_toolchain.py \
--replace 'overrides = {}' \
'overrides = ${builtins.toJSON toolchainOverrides}'
'';
preBuild = ''
export SETUPTOOLS_SCM_PRETEND_VERSION="${realVersion}"
'';
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 ];
};
}
|
