# This file is 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

"""An example WORKSPACE for configuring LLVM using http_archive."""

workspace(name = "http_archive_example")

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")

SKYLIB_VERSION = "1.0.3"

http_archive(
    name = "bazel_skylib",
    sha256 = "97e70364e9249702246c0e9444bccdc4b847bed1eb03c5a3ece4f83dfe6abc44",
    urls = [
        "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/{version}/bazel-skylib-{version}.tar.gz".format(version = SKYLIB_VERSION),
        "https://github.com/bazelbuild/bazel-skylib/releases/download/{version}/bazel-skylib-{version}.tar.gz".format(version = SKYLIB_VERSION),
    ],
)

# Replace with the LLVM commit you want to use.
LLVM_COMMIT = "926f85db98aae66ab8f57b9981f47ddddb868c51"

# The easiest way to calculate this for a new commit is to set it to empty and
# then run a bazel build and it will report the digest necessary to cache the
# archive and make the build reproducible.
LLVM_SHA256 = "c78c94b2a03b2cf6ef1ba035c31a6f1b0bb7913da8af5aa8d5c2061f6499d589"

http_archive(
    name = "llvm-raw",
    build_file_content = "# empty",
    sha256 = LLVM_SHA256,
    strip_prefix = "llvm-project-" + LLVM_COMMIT,
    urls = ["https://github.com/llvm/llvm-project/archive/{commit}.tar.gz".format(commit = LLVM_COMMIT)],
)

load("@llvm-raw//utils/bazel:configure.bzl", "llvm_configure")

llvm_configure(name = "llvm-project")

load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")

maybe(
    http_archive,
    name = "llvm_zlib",
    build_file = "@llvm-raw//utils/bazel/third_party_build:zlib-ng.BUILD",
    sha256 = "e36bb346c00472a1f9ff2a0a4643e590a254be6379da7cddd9daeb9a7f296731",
    strip_prefix = "zlib-ng-2.0.7",
    urls = [
        "https://github.com/zlib-ng/zlib-ng/archive/refs/tags/2.0.7.zip",
    ],
)

maybe(
    http_archive,
    name = "llvm_zstd",
    build_file = "@llvm-raw//utils/bazel/third_party_build:zstd.BUILD",
    sha256 = "7c42d56fac126929a6a85dbc73ff1db2411d04f104fae9bdea51305663a83fd0",
    strip_prefix = "zstd-1.5.2",
    urls = [
        "https://github.com/facebook/zstd/releases/download/v1.5.2/zstd-1.5.2.tar.gz",
    ],
)