#!/bin/bash
# Copyright 2021 The IREE Authors
#
# Licensed under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

# Builds host binaries (compiler tools and other utilities) and installs them
# in build-host/install. Designed for CI, but can be run manually. This uses
# previously cached build results and does not clear build directories.

set -x
set -e

CMAKE_BIN=${CMAKE_BIN:-$(which cmake)}
"${CMAKE_BIN?}" --version
ninja --version

echo "Initializing submodules"
git submodule sync
git submodule update --init --jobs 8 --depth 1

ROOT_DIR=$(git rev-parse --show-toplevel)
cd ${ROOT_DIR?}

if [ -d "build-host" ]
then
  echo "build-host directory already exists. Will use cached results there."
else
  echo "build-host directory does not already exist. Creating a new one."
  mkdir build-host
fi
cd build-host

# Configure, build, install.
"${CMAKE_BIN?}" -G Ninja .. \
  -DCMAKE_INSTALL_PREFIX=./install \
  -DIREE_BUILD_TESTS=OFF \
  -DIREE_BUILD_SAMPLES=OFF
"${CMAKE_BIN?}" --build . --target install -- -k 0