motiejus
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hermetic_cc_toolchain
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add macos support 

+ buildifier
nix
Motiejus Jakštys 2021-06-16 12:44:16 +03:00 committed by Motiejus Jakštys
parent 58a04fbfec
commit 39535dadc5
3 changed files with 67 additions and 48 deletions
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16
.build.yml
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@ -34,7 +34,15 @@ tasks:
--platforms @zig_sdk//:aarch64-linux-musl //test:gomusl
file $(./getpath @zig_sdk//:aarch64-linux-musl //test:gomusl) | \
tee /dev/stderr | grep -q "statically linked"
#- test_macos-gnu: |
# cd bazel-zig-cc; ../bazel build --toolchain_resolution_debug=true \
# --platforms @zig_sdk//:x86_64-macos-gnu \
# //test:gognu
- test_x86_64-macos-gnu: |
cd bazel-zig-cc; ../bazel build --toolchain_resolution_debug=true \
--platforms @zig_sdk//:x86_64-macos-gnu \
//test:gomacos
file $(./getpath @zig_sdk//:x86_64-macos-gnu //test:gomacos) | \
tee /dev/stderr | grep -q "Mach-O 64-bit arm64 executable"
- test_aarch64-macos-gnu: |
cd bazel-zig-cc; ../bazel build --toolchain_resolution_debug=true \
--platforms @zig_sdk//:aarch64-macos-gnu \
//test:gomacos
file $(./getpath @zig_sdk//:aarch64-macos-gnu //test:gomacos) | \
tee /dev/stderr | grep -q "Mach-O 64-bit x86_64 executable"

13
test/BUILD
View File

@ -11,6 +11,19 @@ go_library(
go_binary(
name = "gognu",
embed = [":go_lib"],
target_compatible_with = ["@platforms//os:linux"],
visibility = ["//visibility:public"],
)
go_binary(
name = "gomacos",
embed = [":go_lib"],
gc_linkopts = [
"-s",
"-w",
"-buildmode=pie",
],
target_compatible_with = ["@platforms//os:macos"],
visibility = ["//visibility:public"],
)

86
toolchain/defs.bzl
View File

@ -3,8 +3,7 @@ load(":zig_toolchain.bzl", "zig_cc_toolchain_config")
DEFAULT_TOOL_PATHS = {
"ar": "ar",
"gcc": "c++", # https://github.com/bazelbuild/bazel/issues/4644
"gcc": "c++", # https://github.com/bazelbuild/bazel/issues/4644
"cpp": "/usr/bin/false",
"gcov": "/usr/bin/false",
"nm": "/usr/bin/false",
@ -21,60 +20,60 @@ DEFAULT_INCLUDE_DIRECTORIES = [
# https://github.com/ziglang/zig/blob/0cfa39304b18c6a04689bd789f5dc4d035ec43b0/src/main.zig#L2962-L2966
TARGET_CONFIGS_LISTOFLISTS = [[
struct(
target="{}-macos-gnu".format(cpu),
includes=[
target = "{}-macos-gnu".format(cpu),
includes = [
"libunwind/include",
"libc/include/any-macos-any",
"libc/include/{}-macos-any".format(cpu),
"libc/include/{}-macos-gnu".format(cpu),
],
# linkopts=["-lc++", "-lc++abi"],
linkopts=[],
copts=[],
bazel_target_cpu="darwin",
constraint_values=[
linkopts = [],
copts = [],
bazel_target_cpu = "darwin",
constraint_values = [
"@platforms//os:macos",
"@platforms//cpu:{}".format(cpu),
],
tool_paths={"ld": "ld64.lld"},
tool_paths = {"ld": "ld64.lld"},
),
struct(
target="{}-linux-gnu".format(cpu),
target = "{}-linux-gnu".format(cpu),
target_suffix = ".2.19",
includes=[
includes = [
"libunwind/include",
"libc/include/generic-glibc",
"libc/include/any-linux-any",
"libc/include/{}-linux-gnu".format(cpu),
"libc/include/{}-linux-any".format(cpu),
],
linkopts=["-lc++", "-lc++abi"],
copts=[],
bazel_target_cpu="k8",
constraint_values=[
linkopts = ["-lc++", "-lc++abi"],
copts = [],
bazel_target_cpu = "k8",
constraint_values = [
"@platforms//os:linux",
"@platforms//cpu:{}".format(cpu),
":libc_gnu",
],
tool_paths={"ld": "ld.lld"},
tool_paths = {"ld": "ld.lld"},
),
struct(
target="{}-linux-musl".format(cpu),
includes=[
target = "{}-linux-musl".format(cpu),
includes = [
"libc/include/generic-musl",
"libc/include/any-linux-any",
"libc/include/{}-linux-musl".format(cpu),
"libc/include/{}-linux-any".format(cpu),
],
linkopts=["-s", "-w"],
copts=["-D_LIBCPP_HAS_MUSL_LIBC", "-D_LIBCPP_HAS_THREAD_API_PTHREAD"],
bazel_target_cpu="k8",
constraint_values=[
linkopts = ["-s", "-w"],
copts = ["-D_LIBCPP_HAS_MUSL_LIBC", "-D_LIBCPP_HAS_THREAD_API_PTHREAD"],
bazel_target_cpu = "k8",
constraint_values = [
"@platforms//os:linux",
"@platforms//cpu:{}".format(cpu),
":libc_musl",
],
tool_paths={"ld": "ld.lld"},
tool_paths = {"ld": "ld.lld"},
),
] for cpu in ("x86_64", "aarch64")]
@ -94,11 +93,10 @@ def toolchain_repositories():
"linux-x86_64": "3e5b4fa3b346e2eae6829dd7ef90e9a0f6e6297cee62017e3d0f0f7c9edfa21e",
"macos-x86_64": "9b5e3fefa6ae0b1ab26821323df0641f818e72bffc343e194dc60829005d3055",
},
host_platform_include_root = {
"macos-x86_64": "lib/zig/",
"linux-x86_64": "lib/",
}
},
)
def register_all_toolchains():
@ -128,10 +126,10 @@ ZIG_TOOLS = [
"ar",
# List of ld tools: https://github.com/ziglang/zig/blob/0cfa39304b18c6a04689bd789f5dc4d035ec43b0/src/main.zig#L2962-L2966
# and also: https://github.com/ziglang/zig/issues/3257
"ld.lld", # ELF
"ld64.lld", # Mach-O
"lld-link", # COFF
"wasm-ld", # WebAssembly
"ld.lld", # ELF
"ld64.lld", # Mach-O
"lld-link", # COFF
"wasm-ld", # WebAssembly
]
def _zig_repository_impl(repository_ctx):
@ -143,8 +141,8 @@ def _zig_repository_impl(repository_ctx):
zig_include_root = repository_ctx.attr.host_platform_include_root[host_platform]
zig_sha256 = repository_ctx.attr.host_platform_sha256[host_platform]
format_vars = {
"version" : repository_ctx.attr.version,
"host_platform" : host_platform,
"version": repository_ctx.attr.version,
"host_platform": host_platform,
}
zig_url = repository_ctx.attr.url_format.format(**format_vars)
@ -156,8 +154,8 @@ def _zig_repository_impl(repository_ctx):
for zig_tool in ZIG_TOOLS:
repository_ctx.file(
ZIG_TOOL_PATH.format(zig_tool=zig_tool),
ZIG_TOOL_WRAPPER.format(zig=str(repository_ctx.path("zig")), zig_tool=zig_tool),
ZIG_TOOL_PATH.format(zig_tool = zig_tool),
ZIG_TOOL_WRAPPER.format(zig = str(repository_ctx.path("zig")), zig_tool = zig_tool),
)
absolute_path = json.encode(str(repository_ctx.path("")))
@ -186,9 +184,9 @@ def filegroup(name, **kwargs):
return ":" + name
def zig_build_macro(absolute_path, zig_include_root):
filegroup(name="empty")
filegroup(name="zig_compiler", srcs=["zig"])
filegroup(name="lib/std", srcs=native.glob(["lib/std/**"]))
filegroup(name = "empty")
filegroup(name = "zig_compiler", srcs = ["zig"])
filegroup(name = "lib/std", srcs = native.glob(["lib/std/**"]))
native.constraint_setting(name = "libc")
@ -221,7 +219,7 @@ def zig_build_macro(absolute_path, zig_include_root):
for d in DEFAULT_INCLUDE_DIRECTORIES + target_config.includes:
d = zig_include_root + d
if d not in lazy_filegroups:
lazy_filegroups[d] = filegroup(name=d, srcs=native.glob([d + "/**"]))
lazy_filegroups[d] = filegroup(name = d, srcs = native.glob([d + "/**"]))
compiler_srcs.append(lazy_filegroups[d])
cxx_builtin_include_directories.append(absolute_path + "/" + d)
@ -230,19 +228,19 @@ def zig_build_macro(absolute_path, zig_include_root):
if path[0] == "/":
absolute_tool_paths[name] = path
continue
tool_path = ZIG_TOOL_PATH.format(zig_tool=path)
tool_path = ZIG_TOOL_PATH.format(zig_tool = path)
absolute_tool_paths[name] = "%s/%s" % (absolute_path, tool_path)
tool_srcs[name].append(tool_path)
ar_files = filegroup(name=target + "_ar_files", srcs=ar_srcs)
linker_files = filegroup(name=target + "_linker_files", srcs=linker_srcs)
compiler_files = filegroup(name=target + "_compiler_files", srcs=compiler_srcs)
all_files = filegroup(name=target + "_all_files", srcs=all_srcs + [ar_files, linker_files, compiler_files])
ar_files = filegroup(name = target + "_ar_files", srcs = ar_srcs)
linker_files = filegroup(name = target + "_linker_files", srcs = linker_srcs)
compiler_files = filegroup(name = target + "_compiler_files", srcs = compiler_srcs)
all_files = filegroup(name = target + "_all_files", srcs = all_srcs + [ar_files, linker_files, compiler_files])
zig_cc_toolchain_config(
name = target + "_cc_toolchain_config",
target = target,
target_suffix = getattr(target_config, 'target_suffix', ''),
target_suffix = getattr(target_config, "target_suffix", ""),
tool_paths = absolute_tool_paths,
cxx_builtin_include_directories = cxx_builtin_include_directories,
copts = target_config.copts,
@ -274,7 +272,7 @@ def zig_build_macro(absolute_path, zig_include_root):
toolchains = {
target_config.bazel_target_cpu: ":%s_cc_toolchain" % target,
},
tags = ["manual"]
tags = ["manual"],
)
native.toolchain(