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{ stdenv
, lib
, fetchgit
, cmake
, llvmPackages
, enablePython ? false
, python ? null
}:
let pyEnv = python.withPackages (p: with p; [ numpy scipy ]);
in stdenv.mkDerivation rec {
pname = "taco";
version = "unstable-2022-08-02";
src = fetchgit {
url = "https://github.com/tensor-compiler/${pname}.git";
rev = "2b8ece4c230a5f0f0a74bc6f48e28edfb6c1c95e";
fetchSubmodules = true;
hash = "sha256-PnBocyRLiLALuVS3Gkt/yJeslCMKyK4zdsBI8BFaTSg=";
};
# Remove test cases from cmake build as they violate modern C++ expectations
patches = [ ./taco.patch ];
nativeBuildInputs = [ cmake ];
buildInputs = lib.optional stdenv.isDarwin llvmPackages.openmp;
propagatedBuildInputs = lib.optional enablePython pyEnv;
cmakeFlags = [
"-DOPENMP=ON"
] ++ lib.optional enablePython "-DPYTHON=ON" ;
postInstall = lib.strings.optionalString enablePython ''
mkdir -p $out/${python.sitePackages}
cp -r lib/pytaco $out/${python.sitePackages}/.
'';
# The standard CMake test suite fails a single test of the CLI interface.
doCheck = false;
# Cython somehow gets built with references to /build/.
# However, the python module works flawlessly.
dontFixup = enablePython;
meta = with lib; {
description = "Computes sparse tensor expressions on CPUs and GPUs";
mainProgram = "taco";
license = licenses.mit;
homepage = "https://github.com/tensor-compiler/taco";
maintainers = [ maintainers.sheepforce ];
};
}
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