118 lines
3.3 KiB
Nix
118 lines
3.3 KiB
Nix
{ lib
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, stdenv
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, fetchFromGitHub
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, cmake
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, abseil-cpp
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, bzip2
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, zlib
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, lsb-release
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, which
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, protobuf
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, cbc
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, ensureNewerSourcesForZipFilesHook
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, python
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, swig4
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}:
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stdenv.mkDerivation rec {
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pname = "or-tools";
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version = "9.0";
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disabled = python.pythonOlder "3.6"; # not supported upstream
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src = fetchFromGitHub {
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owner = "google";
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repo = "or-tools";
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rev = "v${version}";
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sha256 = "0yihrsg8wj4b82xwg1hbn97my8zqd7xhw7dk7wm2axsyvqd6m3b3";
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};
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# The original build system uses cmake which does things like pull
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# in dependencies through git and Makefile creation time. We
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# obviously don't want to do this so instead we provide the
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# dependencies straight from nixpkgs and use the make build method.
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# Cbc is linked against bzip2 and declares this in its pkgs-config file,
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# but this makefile doesn't use pkgs-config, so we also have to add lbz2
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configurePhase = ''
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substituteInPlace makefiles/Makefile.third_party.unix.mk \
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--replace 'COINUTILS_LNK = $(STATIC_COINUTILS_LNK)' \
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'COINUTILS_LNK = $(STATIC_COINUTILS_LNK) -lbz2'
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cat <<EOF > Makefile.local
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UNIX_ABSL_DIR=${abseil-cpp}
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UNIX_PROTOBUF_DIR=${protobuf}
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UNIX_CBC_DIR=${cbc}
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USE_SCIP=OFF
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EOF
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'';
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# Many of these 'samples' (which are really the tests) require using SCIP, and or-tools 8.1
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# will just crash if SCIP is not found because it doesn't fall back to using one of
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# the available solvers: https://github.com/google/or-tools/blob/b77bd3ac69b7f3bb02f55b7bab6cbb4bab3917f2/ortools/linear_solver/linear_solver.cc#L427
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# We don't compile with SCIP because it does not have an open source license.
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# See https://github.com/google/or-tools/issues/2395
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preBuild = ''
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for file in ortools/linear_solver/samples/*.cc; do
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if grep -q SCIP_MIXED_INTEGER_PROGRAMMING $file; then
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substituteInPlace $file --replace SCIP_MIXED_INTEGER_PROGRAMMING CBC_MIXED_INTEGER_PROGRAMMING
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fi;
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done
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substituteInPlace ortools/linear_solver/samples/simple_mip_program.cc \
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--replace 'SCIP' 'CBC'
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'';
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makeFlags = [
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"prefix=${placeholder "out"}"
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"PROTOBUF_PYTHON_DESC=${python.pkgs.protobuf}/${python.sitePackages}/google/protobuf/descriptor_pb2.py"
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];
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buildFlags = [ "cc" "pypi_archive" ];
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doCheck = true;
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checkTarget = "test_cc";
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installTargets = [ "install_cc" ];
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# The upstream install_python target installs to $HOME.
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postInstall = ''
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mkdir -p "$python/${python.sitePackages}"
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(cd temp_python/ortools; PYTHONPATH="$python/${python.sitePackages}:$PYTHONPATH" python setup.py install '--prefix=$python')
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'';
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enableParallelBuilding = true;
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nativeBuildInputs = [
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cmake
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lsb-release
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swig4
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which
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ensureNewerSourcesForZipFilesHook
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python.pkgs.setuptools
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python.pkgs.wheel
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];
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buildInputs = [
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zlib
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bzip2
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python
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];
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propagatedBuildInputs = [
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abseil-cpp
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protobuf
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python.pkgs.protobuf
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python.pkgs.six
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python.pkgs.absl-py
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python.pkgs.mypy-protobuf
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];
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outputs = [ "out" "python" ];
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meta = with lib; {
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homepage = "https://github.com/google/or-tools";
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license = licenses.asl20;
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description = ''
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Google's software suite for combinatorial optimization.
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'';
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maintainers = with maintainers; [ andersk ];
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platforms = with platforms; linux;
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};
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}
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