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hermetic_cc_toolchain
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separate zigtarget and gotarget

This commit is contained in:
Motiejus Jakštys 2021-07-21 14:42:55 +03:00
parent 1fa90818cb
commit d78d78393b
1 changed files with 27 additions and 25 deletions
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52
toolchain/defs.bzl
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@ -21,60 +21,62 @@ DEFAULT_INCLUDE_DIRECTORIES = [
# https://github.com/ziglang/zig/blob/0cfa39304b18c6a04689bd789f5dc4d035ec43b0/src/main.zig#L2962-L2966 # https://github.com/ziglang/zig/blob/0cfa39304b18c6a04689bd789f5dc4d035ec43b0/src/main.zig#L2962-L2966
TARGET_CONFIGS_LISTOFLISTS = [[ TARGET_CONFIGS_LISTOFLISTS = [[
struct( struct(
target = "{}-macos-gnu".format(cpu), zigtarget = "{}-macos-gnu".format(zigcpu),
includes = [ includes = [
"libunwind/include", "libunwind/include",
"libc/include/any-macos-any", "libc/include/any-macos-any",
"libc/include/{}-macos-any".format(cpu), "libc/include/{}-macos-any".format(zigcpu),
"libc/include/{}-macos-gnu".format(cpu), "libc/include/{}-macos-gnu".format(zigcpu),
], ],
linkopts = [], linkopts = [],
copts = [], copts = [],
bazel_target_cpu = "darwin", bazel_target_cpu = "darwin",
constraint_values = [ constraint_values = [
"@platforms//os:macos", "@platforms//os:macos",
"@platforms//cpu:{}".format(cpu), "@platforms//cpu:{}".format(zigcpu),
], ],
tool_paths = {"ld": "ld64.lld"}, tool_paths = {"ld": "ld64.lld"},
register = True,
), ),
struct( struct(
target = "{}-linux-gnu".format(cpu), zigtarget = "{}-linux-gnu".format(zigcpu),
target_suffix = ".2.19", target_suffix = ".2.19",
includes = [ includes = [
"libunwind/include", "libunwind/include",
"libc/include/generic-glibc", "libc/include/generic-glibc",
"libc/include/any-linux-any", "libc/include/any-linux-any",
"libc/include/{}-linux-gnu".format(cpu), "libc/include/{}-linux-gnu".format(zigcpu),
"libc/include/{}-linux-any".format(cpu), "libc/include/{}-linux-any".format(zigcpu),
], ],
linkopts = ["-lc++", "-lc++abi"], linkopts = ["-lc++", "-lc++abi"],
copts = [], copts = [],
bazel_target_cpu = "k8", bazel_target_cpu = "k8",
constraint_values = [ constraint_values = [
"@platforms//os:linux", "@platforms//os:linux",
"@platforms//cpu:{}".format(cpu), "@platforms//cpu:{}".format(zigcpu),
], ],
tool_paths = {"ld": "ld.lld"}, tool_paths = {"ld": "ld.lld"},
register = True,
), ),
struct( struct(
target = "{}-linux-musl".format(cpu), zigtarget = "{}-linux-musl".format(zigcpu),
includes = [ includes = [
"libc/include/generic-musl", "libc/include/generic-musl",
"libc/include/any-linux-any", "libc/include/any-linux-any",
"libc/include/{}-linux-musl".format(cpu), "libc/include/{}-linux-musl".format(zigcpu),
"libc/include/{}-linux-any".format(cpu), "libc/include/{}-linux-any".format(zigcpu),
], ],
linkopts = ["-s", "-w"], linkopts = ["-s", "-w"],
copts = ["-D_LIBCPP_HAS_MUSL_LIBC", "-D_LIBCPP_HAS_THREAD_API_PTHREAD"], copts = ["-D_LIBCPP_HAS_MUSL_LIBC", "-D_LIBCPP_HAS_THREAD_API_PTHREAD"],
bazel_target_cpu = "k8", bazel_target_cpu = "k8",
constraint_values = [ constraint_values = [
"@platforms//os:linux", "@platforms//os:linux",
"@platforms//cpu:{}".format(cpu), "@platforms//cpu:{}".format(zigcpu),
], ],
tool_paths = {"ld": "ld.lld"}, tool_paths = {"ld": "ld.lld"},
skip_register = True, register = False,
), ),
] for cpu in ("x86_64", "aarch64")] ] for zigcpu, gocpu in (("x86_64", "amd64"), ("aarch64", "arm64"))]
TARGET_CONFIGS = [val for sublist in TARGET_CONFIGS_LISTOFLISTS for val in sublist] TARGET_CONFIGS = [val for sublist in TARGET_CONFIGS_LISTOFLISTS for val in sublist]
@ -100,9 +102,9 @@ def toolchain_repositories():
def register_all_toolchains(): def register_all_toolchains():
for target_config in TARGET_CONFIGS: for target_config in TARGET_CONFIGS:
if not getattr(target_config, "skip_register", False): if target_config.register:
native.register_toolchains( native.register_toolchains(
"@zig_sdk//:%s_toolchain" % target_config.target, "@zig_sdk//:%s_toolchain" % target_config.zigtarget,
) )
ZIG_TOOL_PATH = "tools/{zig_tool}" ZIG_TOOL_PATH = "tools/{zig_tool}"
@ -190,9 +192,9 @@ def zig_build_macro(absolute_path, zig_include_root):
lazy_filegroups = {} lazy_filegroups = {}
for target_config in TARGET_CONFIGS: for target_config in TARGET_CONFIGS:
target = target_config.target zigtarget = target_config.zigtarget
native.platform( native.platform(
name = target, name = zigtarget,
constraint_values = target_config.constraint_values, constraint_values = target_config.constraint_values,
) )
@ -217,8 +219,8 @@ def zig_build_macro(absolute_path, zig_include_root):
tool_srcs[name].append(tool_path) tool_srcs[name].append(tool_path)
zig_cc_toolchain_config( zig_cc_toolchain_config(
name = target + "_cc_toolchain_config", name = zigtarget + "_cc_toolchain_config",
target = target, target = zigtarget,
target_suffix = getattr(target_config, "target_suffix", ""), target_suffix = getattr(target_config, "target_suffix", ""),
tool_paths = absolute_tool_paths, tool_paths = absolute_tool_paths,
cxx_builtin_include_directories = cxx_builtin_include_directories, cxx_builtin_include_directories = cxx_builtin_include_directories,
@ -233,9 +235,9 @@ def zig_build_macro(absolute_path, zig_include_root):
) )
native.cc_toolchain( native.cc_toolchain(
name = target + "_cc_toolchain", name = zigtarget + "_cc_toolchain",
toolchain_identifier = target + "-toolchain", toolchain_identifier = zigtarget + "-toolchain",
toolchain_config = ":%s_cc_toolchain_config" % target, toolchain_config = ":%s_cc_toolchain_config" % zigtarget,
all_files = ":zig", all_files = ":zig",
ar_files = ":zig", ar_files = ":zig",
compiler_files = ":zig", compiler_files = ":zig",
@ -247,9 +249,9 @@ def zig_build_macro(absolute_path, zig_include_root):
) )
native.toolchain( native.toolchain(
name = target + "_toolchain", name = zigtarget + "_toolchain",
exec_compatible_with = None, exec_compatible_with = None,
target_compatible_with = target_config.constraint_values, target_compatible_with = target_config.constraint_values,
toolchain = ":%s_cc_toolchain" % target, toolchain = ":%s_cc_toolchain" % zigtarget,
toolchain_type = "@bazel_tools//tools/cpp:toolchain_type", toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
) )