# Copyright (C) 2019 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Handles generation of config.toml for the rustc build."""


import paths


def configure():
    """Generates config.toml for the rustc build."""
    with open(paths.rustc_path('config.toml'), 'w') as config_toml:
        cargo = paths.rust_prebuilt('bin', 'cargo')
        rustc = paths.rust_prebuilt('bin', 'rustc')
        cc = paths.llvm_prebuilt('bin', 'clang')
        cxx = paths.llvm_prebuilt('bin', 'clang++')
        ar = paths.llvm_prebuilt('bin', 'llvm-ar')
        ranlib = paths.llvm_prebuilt('bin', 'llvm-ranlib')
        prefix = paths.out_path()
        config_toml.write("""\
[llvm]
ninja = true
[build]
cargo = "{cargo}"
rustc = "{rustc}"
docs = false
submodules = false
locked-deps = true
vendor = true
full-bootstrap = true
extended = true
tools = ["cargo"]
cargo-native-static = true
[install]
prefix = "{prefix}"
sysconfdir = "etc"
[rust]
channel = "stable"
remap-debuginfo = true
[target.x86_64-unknown-linux-gnu]
cc = "{cc}"
cxx = "{cxx}"
ar = "{ar}"
ranlib = "{ranlib}"
""".format(cargo=cargo, rustc=rustc, cc=cc, cxx=cxx, ar=ar, ranlib=ranlib, prefix=prefix))