178 lines
5.4 KiB
Python
178 lines
5.4 KiB
Python
_ZIG_TOOL_PATH = "tools/{zigtarget}/{zig_tool}"
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# Zig supports even older glibcs than defined below, but we have tested only
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# down to 2.17.
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# $ zig targets | jq -r '.glibc[]' | sort -V
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_GLIBCS = [
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"2.17",
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"2.18",
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"2.19",
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"2.22",
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"2.23",
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"2.24",
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"2.25",
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"2.26",
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"2.27",
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"2.28",
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"2.29",
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"2.30",
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"2.31",
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"2.32",
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"2.33",
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"2.34",
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]
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_INCLUDE_TAIL = [
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"libcxx/include",
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"libcxxabi/include",
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"include",
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]
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LIBCS = ["musl"] + ["gnu.{}".format(glibc) for glibc in _GLIBCS]
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def zig_tool_path(os):
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if os == "windows":
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return _ZIG_TOOL_PATH + ".exe"
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else:
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return _ZIG_TOOL_PATH
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def target_structs():
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ret = []
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for zigcpu, gocpu in (("x86_64", "amd64"), ("aarch64", "arm64")):
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ret.append(_target_macos(gocpu, zigcpu))
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ret.append(_target_windows(gocpu, zigcpu))
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ret.append(_target_linux_musl(gocpu, zigcpu))
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for glibc in _GLIBCS:
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ret.append(_target_linux_gnu(gocpu, zigcpu, glibc))
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return ret
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def _target_macos(gocpu, zigcpu):
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min_os = "11"
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copts = []
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if zigcpu == "aarch64":
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copts = ["-mcpu=apple_m1"]
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return struct(
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gotarget = "darwin_{}".format(gocpu),
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zigtarget = "{}-macos-none".format(zigcpu),
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includes = [
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"libunwind/include",
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# TODO: Define a toolchain for each minimum OS version
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"libc/include/{}-macos.{}-none".format(zigcpu, min_os),
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"libc/include/any-macos.{}-any".format(min_os),
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"libc/include/any-macos-any",
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] + _INCLUDE_TAIL,
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linkopts = ["-Wl,-headerpad_max_install_names"],
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dynamic_library_linkopts = ["-Wl,-undefined=dynamic_lookup"],
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copts = copts,
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libc = "darwin",
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bazel_target_cpu = "darwin",
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constraint_values = [
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"@platforms//os:macos",
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"@platforms//cpu:{}".format(zigcpu),
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],
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tool_paths = {"ld": "ld64.lld"},
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artifact_name_patterns = [
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{
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"category_name": "dynamic_library",
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"prefix": "lib",
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"extension": ".dylib",
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},
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],
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)
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def _target_windows(gocpu, zigcpu):
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return struct(
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gotarget = "windows_{}".format(gocpu),
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zigtarget = "{}-windows-gnu".format(zigcpu),
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includes = [
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"libc/mingw",
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"libunwind/include",
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"libc/include/any-windows-any",
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] + _INCLUDE_TAIL,
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linkopts = [],
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dynamic_library_linkopts = [],
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copts = [],
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libc = "mingw",
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bazel_target_cpu = "x64_windows",
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constraint_values = [
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"@platforms//os:windows",
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"@platforms//cpu:{}".format(zigcpu),
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],
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tool_paths = {"ld": "ld64.lld"},
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artifact_name_patterns = [
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{
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"category_name": "static_library",
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"prefix": "",
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"extension": ".lib",
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},
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{
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"category_name": "dynamic_library",
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"prefix": "",
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"extension": ".dll",
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},
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{
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"category_name": "executable",
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"prefix": "",
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"extension": ".exe",
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},
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],
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)
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def _target_linux_gnu(gocpu, zigcpu, glibc_version):
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glibc_suffix = "gnu.{}".format(glibc_version)
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return struct(
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gotarget = "linux_{}_{}".format(gocpu, glibc_suffix),
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zigtarget = "{}-linux-{}".format(zigcpu, glibc_suffix),
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includes = [
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"libc/include/{}-linux-gnu".format(zigcpu),
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"libc/include/generic-glibc",
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] +
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# x86_64-linux-any is x86_64-linux and x86-linux combined.
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(["libc/include/x86-linux-any"] if zigcpu == "x86_64" else []) +
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(["libc/include/{}-linux-any".format(zigcpu)] if zigcpu != "x86_64" else []) + [
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"libc/include/any-linux-any",
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] + _INCLUDE_TAIL,
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linkopts = [],
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dynamic_library_linkopts = [],
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copts = [],
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libc = "glibc",
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bazel_target_cpu = "k8",
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constraint_values = [
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"@platforms//os:linux",
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"@platforms//cpu:{}".format(zigcpu),
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],
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libc_constraint = "@zig_sdk//libc:{}".format(glibc_suffix),
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tool_paths = {"ld": "ld.lld"},
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artifact_name_patterns = [],
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)
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def _target_linux_musl(gocpu, zigcpu):
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return struct(
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gotarget = "linux_{}_musl".format(gocpu),
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zigtarget = "{}-linux-musl".format(zigcpu),
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includes = [
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"libc/include/{}-linux-musl".format(zigcpu),
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"libc/include/generic-musl",
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] +
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# x86_64-linux-any is x86_64-linux and x86-linux combined.
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(["libc/include/x86-linux-any"] if zigcpu == "x86_64" else []) +
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(["libc/include/{}-linux-any".format(zigcpu)] if zigcpu != "x86_64" else []) + [
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"libc/include/any-linux-any",
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] + _INCLUDE_TAIL,
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linkopts = [],
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dynamic_library_linkopts = [],
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copts = ["-D_LIBCPP_HAS_MUSL_LIBC", "-D_LIBCPP_HAS_THREAD_API_PTHREAD"],
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libc = "musl",
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bazel_target_cpu = "k8",
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constraint_values = [
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"@platforms//os:linux",
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"@platforms//cpu:{}".format(zigcpu),
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],
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libc_constraint = "@zig_sdk//libc:musl",
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tool_paths = {"ld": "ld.lld"},
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artifact_name_patterns = [],
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)
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