mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-05 17:01:05 +01:00
Jon Ross-Perkins
3d260b92f1
Directories in `external/` now include versions of dependencies, so continuing to make that work would require version-locking the compile_flags.txt. We've previously seen issues with directories being forgotten; this switches to letting bazel generate everything. Setup follows instructions at https://github.com/hedronvision/bazel-compile-commands-extractor?tab=readme-ov-file#first-add-this-tool-to-your-bazel-setup Maintains `./scripts/create_compdb.py`. Per discussion, new files seem to work okay -- I'm getting #include completion that clearly detects files. Note this creates an `external` directory: ``` ╚╡ls -ld external lrwxrwxrwx 1 jperkins primarygroup 27 Dec 19 14:02 external -> bazel-out/../../../external ``` I felt sort of weird checking that in though, at least alongside `bazel-execroot` it feels like it should have a `bazel-` prefix. However, I can't rename it. So omitting it, and leaving it to the script to generate, felt like a reasonable compromise. Running takes a few minutes (about 3 for me), and should be faster on reruns. It does print a couple warnings, just tree_sitter missing parser.c and _GNUC_PREREQ errors from m4.
139 lines
4.7 KiB
Python
139 lines
4.7 KiB
Python
# Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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# Exceptions. See /LICENSE for license information.
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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"""Bazel modules.
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If `MODULE.bazel.lock` changes locally, it means the host platform hasn't yet
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been added to the lock file. Running `bazel mod deps` provides a canonical
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update to `MODULE.bazel.lock`; create a PR with those changes in order to
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include the host platform.
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Platforms tested with GitHub actions are kept up-to-date. Other platforms may
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fall out of sync on dependency changes, and should be updated with a PR the same
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way a platform is added.
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"""
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module(name = "carbon")
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http_archive = use_repo_rule(
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"@bazel_tools//tools/build_defs/repo:http.bzl",
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"http_archive",
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)
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bazel_dep(name = "bazel_skylib", version = "1.5.0")
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bazel_dep(
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name = "abseil-cpp",
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version = "20230802.0",
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repo_name = "com_google_absl",
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)
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bazel_dep(
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name = "re2",
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version = "2023-11-01",
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repo_name = "com_googlesource_code_re2",
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)
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bazel_dep(
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name = "googletest",
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version = "1.14.0.bcr.1",
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repo_name = "com_google_googletest",
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)
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bazel_dep(
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name = "google_benchmark",
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version = "1.8.3",
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repo_name = "com_github_google_benchmark",
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)
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bazel_dep(name = "rules_bison", version = "0.2.2")
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bazel_dep(name = "rules_flex", version = "0.2.1")
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bazel_dep(name = "rules_m4", version = "0.2.3")
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bazel_dep(name = "rules_cc", version = "0.0.9")
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bazel_dep(name = "rules_proto", version = "6.0.0-rc1")
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bazel_dep(
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name = "protobuf",
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version = "21.7",
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repo_name = "com_google_protobuf",
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)
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libprotobuf_mutator_version = "1.1"
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http_archive(
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name = "com_google_libprotobuf_mutator",
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build_file = "@//:third_party/libprotobuf_mutator/BUILD.txt",
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sha256 = "fd299fd72c5cf664259d9bd43a72cb74dc6a8b9604d107fe2d2e90885aeb7c16",
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strip_prefix = "libprotobuf-mutator-{0}".format(libprotobuf_mutator_version),
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urls = ["https://github.com/google/libprotobuf-mutator/archive/v{0}.tar.gz".format(libprotobuf_mutator_version)],
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)
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bazel_cc_toolchain = use_extension(
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"//bazel/cc_toolchains:clang_configuration.bzl",
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"clang_toolchain_extension",
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)
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use_repo(bazel_cc_toolchain, "bazel_cc_toolchain")
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register_toolchains("@bazel_cc_toolchain//:all")
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bazel_dep(name = "hedron_compile_commands", dev_dependency = True)
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git_override(
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module_name = "hedron_compile_commands",
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# HEAD as of 2023-12-19.
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commit = "af167878427c469db96444b65f026d064ec62a4f",
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remote = "https://github.com/hedronvision/bazel-compile-commands-extractor.git",
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)
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###############################################################################
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# llvm-project
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###############################################################################
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# We pin to specific upstream commits and try to track top-of-tree reasonably
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# closely rather than pinning to a specific release.
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llvm_project_version = "3d51010a3350660160981c6b8e624dcc87c208a3"
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# Required for llvm-project.
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bazel_dep(name = "platforms", version = "0.0.8")
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# zlib and zstd dependencies are copied from
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bazel_dep(name = "zlib", version = "1.3", repo_name = "llvm_zlib")
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bazel_dep(name = "zstd", version = "1.5.5", repo_name = "llvm_zstd")
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# Load a repository for the raw llvm-project, pre-overlay.
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http_archive(
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name = "llvm-raw",
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build_file_content = "# empty",
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patch_args = ["-p1"],
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patches = [
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"@carbon//bazel/llvm_project:0001_Patch_for_mallinfo2_when_using_Bazel_build_system.patch",
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"@carbon//bazel/llvm_project:0002_Added_Bazel_build_for_compiler_rt_fuzzer.patch",
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"@carbon//bazel/llvm_project:0003_Add_library_for_clangd.patch",
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],
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sha256 = "efbca707a6eb1c714b849de120309070eef282660c0f4be5b68efef62cc95cf5",
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strip_prefix = "llvm-project-{0}".format(llvm_project_version),
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urls = ["https://github.com/llvm/llvm-project/archive/{0}.tar.gz".format(llvm_project_version)],
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)
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# Apply the overlay to produce llvm-project.
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llvm_project = use_extension(
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"//bazel/llvm_project:llvm_project.bzl",
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"llvm_project",
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)
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use_repo(llvm_project, "llvm-project")
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###############################################################################
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# Python
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###############################################################################
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bazel_dep(name = "rules_python", version = "0.27.1")
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python = use_extension("@rules_python//python/extensions:python.bzl", "python")
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python.toolchain(
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python_version = "3.11",
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)
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use_repo(python, "python_versions")
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# Create a central repo that knows about the pip dependencies.
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pip = use_extension("@rules_python//python/extensions:pip.bzl", "pip")
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pip.parse(
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hub_name = "py_deps",
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python_version = "3.11",
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requirements_lock = "//github_tools:requirements.txt",
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)
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use_repo(pip, "py_deps")
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