135 lines
3.9 KiB
Python
135 lines
3.9 KiB
Python
load("@bazel_tools//tools/build_defs/cc:action_names.bzl", "ACTION_NAMES")
|
|
load(
|
|
"@bazel_tools//tools/cpp:cc_toolchain_config_lib.bzl",
|
|
"feature",
|
|
"flag_group",
|
|
"flag_set",
|
|
"tool",
|
|
"tool_path",
|
|
)
|
|
|
|
all_link_actions = [
|
|
ACTION_NAMES.cpp_link_executable,
|
|
ACTION_NAMES.cpp_link_dynamic_library,
|
|
ACTION_NAMES.cpp_link_nodeps_dynamic_library,
|
|
]
|
|
|
|
compile_and_link_actions = [
|
|
ACTION_NAMES.c_compile,
|
|
ACTION_NAMES.cpp_compile,
|
|
]
|
|
|
|
rest_compile_actions = [
|
|
ACTION_NAMES.assemble,
|
|
ACTION_NAMES.cc_flags_make_variable,
|
|
ACTION_NAMES.clif_match,
|
|
ACTION_NAMES.cpp_header_parsing,
|
|
ACTION_NAMES.cpp_module_codegen,
|
|
ACTION_NAMES.cpp_module_compile,
|
|
ACTION_NAMES.linkstamp_compile,
|
|
ACTION_NAMES.lto_backend,
|
|
ACTION_NAMES.preprocess_assemble,
|
|
]
|
|
|
|
def _zig_cc_toolchain_config_impl(ctx):
|
|
compiler_flags = [
|
|
"-I" + d
|
|
for d in ctx.attr.cxx_builtin_include_directories
|
|
] + [
|
|
"-target",
|
|
ctx.attr.target + ctx.attr.target_suffix,
|
|
"-no-canonical-prefixes",
|
|
"-Wno-builtin-macro-redefined",
|
|
"-D__DATE__=\"redacted\"",
|
|
"-D__TIMESTAMP__=\"redacted\"",
|
|
"-D__TIME__=\"redacted\"",
|
|
]
|
|
no_gc_sections = ["-Wl,--no-gc-sections"]
|
|
|
|
compile_and_link_flags = feature(
|
|
name = "compile_and_link_flags",
|
|
enabled = True,
|
|
flag_sets = [
|
|
flag_set(
|
|
actions = compile_and_link_actions,
|
|
flag_groups = [
|
|
flag_group(flags = no_gc_sections),
|
|
flag_group(flags = compiler_flags + ctx.attr.copts),
|
|
],
|
|
),
|
|
],
|
|
)
|
|
|
|
rest_compile_flags = feature(
|
|
name = "rest_compile_flags",
|
|
enabled = True,
|
|
flag_sets = [
|
|
flag_set(
|
|
actions = rest_compile_actions,
|
|
flag_groups = [
|
|
flag_group(flags = compiler_flags + ctx.attr.copts),
|
|
],
|
|
),
|
|
],
|
|
)
|
|
|
|
default_linker_flags = feature(
|
|
name = "default_linker_flags",
|
|
enabled = True,
|
|
flag_sets = [
|
|
flag_set(
|
|
actions = all_link_actions,
|
|
flag_groups = ([
|
|
flag_group(
|
|
flags = ["-target", ctx.attr.target] +
|
|
no_gc_sections +
|
|
ctx.attr.linkopts,
|
|
),
|
|
]),
|
|
),
|
|
],
|
|
)
|
|
|
|
features = [
|
|
compile_and_link_flags,
|
|
rest_compile_flags,
|
|
default_linker_flags,
|
|
]
|
|
|
|
return cc_common.create_cc_toolchain_config_info(
|
|
ctx = ctx,
|
|
features = features,
|
|
toolchain_identifier = "%s-toolchain" % ctx.attr.target,
|
|
host_system_name = "local",
|
|
target_system_name = ctx.attr.target_system_name,
|
|
target_cpu = ctx.attr.target_cpu,
|
|
target_libc = ctx.attr.target_libc,
|
|
compiler = ctx.attr.compiler,
|
|
abi_version = ctx.attr.abi_version,
|
|
abi_libc_version = ctx.attr.abi_libc_version,
|
|
tool_paths = [
|
|
tool_path(name = name, path = path)
|
|
for name, path in ctx.attr.tool_paths.items()
|
|
],
|
|
cxx_builtin_include_directories = ctx.attr.cxx_builtin_include_directories,
|
|
)
|
|
|
|
zig_cc_toolchain_config = rule(
|
|
implementation = _zig_cc_toolchain_config_impl,
|
|
attrs = {
|
|
"cxx_builtin_include_directories": attr.string_list(),
|
|
"linkopts": attr.string_list(),
|
|
"copts": attr.string_list(),
|
|
"tool_paths": attr.string_dict(),
|
|
"target": attr.string(),
|
|
"target_system_name": attr.string(),
|
|
"target_cpu": attr.string(),
|
|
"target_libc": attr.string(),
|
|
"target_suffix": attr.string(),
|
|
"compiler": attr.string(),
|
|
"abi_version": attr.string(),
|
|
"abi_libc_version": attr.string(),
|
|
},
|
|
provides = [CcToolchainConfigInfo],
|
|
)
|