107 lines
3.9 KiB
Python
107 lines
3.9 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
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#
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# This source code is licensed under both the MIT license found in the
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# LICENSE-MIT file in the root directory of this source tree and the Apache
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# License, Version 2.0 found in the LICENSE-APACHE file in the root directory
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# of this source tree.
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load(
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"@prelude//cxx:cxx_toolchain_types.bzl",
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"BinaryUtilitiesInfo",
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"CCompilerInfo",
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"CxxCompilerInfo",
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"CxxPlatformInfo",
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"CxxToolchainInfo",
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"LinkerInfo",
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)
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load(
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"@prelude//cxx:headers.bzl",
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"HeaderMode",
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)
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load(
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"@prelude//linking:link_info.bzl",
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"LinkStyle",
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)
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def _system_cxx_toolchain_impl(ctx):
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"""
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A very simple toolchain that is hardcoded to the current environment.
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"""
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archiver_type = "gnu"
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linker_type = "gnu"
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if host_info().os.is_macos:
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linker_type = "darwin"
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elif host_info().os.is_windows:
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linker_type = "windows"
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archiver_type = "windows"
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return [
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DefaultInfo(),
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CxxToolchainInfo(
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mk_comp_db = ctx.attrs.make_comp_db,
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linker_info = LinkerInfo(
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linker = RunInfo(args = ["clang++"]),
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linker_flags = [],
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archiver = RunInfo(args = ["ar", "rcs"]),
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archiver_type = archiver_type,
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type = linker_type,
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link_binaries_locally = True,
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archive_objects_locally = True,
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use_archiver_flags = False,
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static_dep_runtime_ld_flags = [],
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static_pic_dep_runtime_ld_flags = [],
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shared_dep_runtime_ld_flags = [],
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independent_shlib_interface_linker_flags = [],
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shlib_interfaces = "disabled",
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link_style = LinkStyle(ctx.attrs.link_style),
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link_weight = 1,
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binary_extension = "",
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object_file_extension = "o",
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shared_library_name_format = "lib{}.so",
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shared_library_versioned_name_format = "lib{}.so.{}",
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static_library_extension = "a",
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force_full_hybrid_if_capable = False,
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),
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bolt_enabled = False,
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binary_utilities_info = BinaryUtilitiesInfo(
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nm = RunInfo(args = ["nm"]),
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# objcopy = ctx.attrs.objcopy_for_shared_library_interface[RunInfo],
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# ranlib = ctx.attrs.ranlib[RunInfo],
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ranlib = RunInfo(args = ["raninfo"]),
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strip = RunInfo(args = ["strip"]),
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dwp = None,
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bolt_msdk = None,
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),
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cxx_compiler_info = CxxCompilerInfo(
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compiler = RunInfo(args = ["clang++"]),
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preprocessor_flags = [],
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compiler_flags = [],
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compiler_type = "clang", # one of CxxToolProviderType
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),
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c_compiler_info = CCompilerInfo(
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compiler = RunInfo(args = ["clang"]),
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preprocessor_flags = [],
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compiler_flags = [],
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compiler_type = "clang", # one of CxxToolProviderType
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),
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as_compiler_info = CCompilerInfo(
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compiler = RunInfo(args = ["clang"]),
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compiler_type = "clang", # one of CxxToolProviderType
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),
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asm_compiler_info = CCompilerInfo(
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compiler = RunInfo(args = ["clang"]),
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compiler_type = "clang", # one of CxxToolProviderType
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),
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header_mode = HeaderMode("symlink_tree_only"),
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),
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CxxPlatformInfo(name = "x86_64"),
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]
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# Use clang, since thats available everywhere and what we have tested with.
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system_cxx_toolchain = rule(
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impl = _system_cxx_toolchain_impl,
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attrs = {
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"link_style": attrs.string(default = "shared"),
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"make_comp_db": attrs.default_only(attrs.dep(providers = [RunInfo], default = "prelude//cxx/tools:make_comp_db")),
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},
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is_toolchain_rule = True,
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)
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