#!/bin/sh
# Copyright (c) Facebook, Inc. and its affiliates.
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.

set -e


# Build libfaiss.so/libfaiss_avx2.so.
cmake -B _build \
      -DBUILD_SHARED_LIBS=ON \
      -DBUILD_TESTING=OFF \
      -DFAISS_OPT_LEVEL=avx2 \
      -DFAISS_ENABLE_GPU=ON \
      -DCMAKE_CUDA_ARCHITECTURES="${CUDA_ARCHS}" \
      -DFAISS_ENABLE_PYTHON=OFF \
      -DBLA_VENDOR=Intel10_64lp \
      -DCMAKE_INSTALL_LIBDIR=lib \
      -DCMAKE_BUILD_TYPE=Release .

make -C _build -j $CPU_COUNT faiss faiss_avx2

cmake --install _build --prefix $PREFIX
cmake --install _build --prefix _libfaiss_stage/