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{ lib
, stdenv
, fetchFromGitHub
, cmake
, abseil-cpp
, bzip2
, zlib
, lsb-release
, which
, protobuf
, cbc
, ensureNewerSourcesForZipFilesHook
, python
, swig4
}:
stdenv.mkDerivation rec {
pname = "or-tools";
version = "9.1";
disabled = python.pythonOlder "3.6"; # not supported upstream
src = fetchFromGitHub {
owner = "google";
repo = "or-tools";
rev = "v${version}";
sha256 = "sha256-dEYMPWpa3J9EqtCq3kubdUYJivNRTOKUpNDx3UC1IcQ=";
};
# The original build system uses cmake which does things like pull
# in dependencies through git and Makefile creation time. We
# obviously don't want to do this so instead we provide the
# dependencies straight from nixpkgs and use the make build method.
# Cbc is linked against bzip2 and declares this in its pkgs-config file,
# but this makefile doesn't use pkgs-config, so we also have to add lbz2
configurePhase = ''
substituteInPlace makefiles/Makefile.third_party.unix.mk \
--replace 'COINUTILS_LNK = $(STATIC_COINUTILS_LNK)' \
'COINUTILS_LNK = $(STATIC_COINUTILS_LNK) -lbz2'
cat <<EOF > Makefile.local
UNIX_ABSL_DIR=${abseil-cpp}
UNIX_PROTOBUF_DIR=${protobuf}
UNIX_CBC_DIR=${cbc}
USE_SCIP=OFF
EOF
'';
# Many of these 'samples' (which are really the tests) require using SCIP, and or-tools 8.1
# will just crash if SCIP is not found because it doesn't fall back to using one of
# the available solvers: https://github.com/google/or-tools/blob/b77bd3ac69b7f3bb02f55b7bab6cbb4bab3917f2/ortools/linear_solver/linear_solver.cc#L427
# We don't compile with SCIP because it does not have an open source license.
# See https://github.com/google/or-tools/issues/2395
preBuild = ''
for file in ortools/linear_solver/samples/*.cc; do
if grep -q SCIP_MIXED_INTEGER_PROGRAMMING $file; then
substituteInPlace $file --replace SCIP_MIXED_INTEGER_PROGRAMMING CBC_MIXED_INTEGER_PROGRAMMING
fi;
done
substituteInPlace ortools/linear_solver/samples/simple_mip_program.cc \
--replace 'SCIP' 'CBC'
'';
makeFlags = [
"prefix=${placeholder "out"}"
"PROTOBUF_PYTHON_DESC=${python.pkgs.protobuf}/${python.sitePackages}/google/protobuf/descriptor_pb2.py"
];
buildFlags = [ "cc" "pypi_archive" ];
doCheck = true;
checkTarget = "test_cc";
installTargets = [ "install_cc" ];
# The upstream install_python target installs to $HOME.
postInstall = ''
mkdir -p "$python/${python.sitePackages}"
(cd temp_python/ortools; PYTHONPATH="$python/${python.sitePackages}:$PYTHONPATH" python setup.py install '--prefix=$python')
'';
enableParallelBuilding = true;
nativeBuildInputs = [
cmake
lsb-release
swig4
which
ensureNewerSourcesForZipFilesHook
python.pkgs.setuptools
python.pkgs.wheel
];
buildInputs = [
zlib
bzip2
python
];
propagatedBuildInputs = [
abseil-cpp
protobuf
python.pkgs.protobuf
python.pkgs.six
python.pkgs.absl-py
python.pkgs.mypy-protobuf
];
outputs = [ "out" "python" ];
meta = with lib; {
homepage = "https://github.com/google/or-tools";
license = licenses.asl20;
description = ''
Google's software suite for combinatorial optimization.
'';
maintainers = with maintainers; [ andersk ];
platforms = with platforms; linux;
};
}
|