diff --git a/toolchain/defs.bzl b/toolchain/defs.bzl index ac438b1..fdc9da5 100644 --- a/toolchain/defs.bzl +++ b/toolchain/defs.bzl @@ -3,7 +3,8 @@ 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", @@ -18,78 +19,81 @@ DEFAULT_INCLUDE_DIRECTORIES = [ ] # https://github.com/ziglang/zig/blob/0cfa39304b18c6a04689bd789f5dc4d035ec43b0/src/main.zig#L2962-L2966 -TARGET_CONFIGS = [ +TARGET_CONFIGS_LISTOFLISTS = [[ struct( - target = "x86_64-macos-gnu", - includes = [ + target="{}-macos-gnu".format(cpu), + includes=[ "libunwind/include", "libc/include/any-macos-any", - "libc/include/x86_64-macos-any", - "libc/include/x86_64-macos-gnu", + "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:x86_64", + "@platforms//cpu:{}".format(cpu), ], - tool_paths = {"ld": "ld64.lld"}, + tool_paths={"ld": "ld64.lld"}, ), -] + [ struct( - target = "x86_64-linux-gnu", + target="{}-linux-gnu".format(cpu), target_suffix = ".2.19", - includes = [ + includes=[ "libunwind/include", "libc/include/generic-glibc", "libc/include/any-linux-any", - "libc/include/x86_64-linux-gnu", - "libc/include/x86_64-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:x86_64", + "@platforms//cpu:{}".format(cpu), ], - tool_paths = {"ld": "ld.lld"}, + tool_paths={"ld": "ld.lld"}, ), struct( - target = "x86_64-linux-musl", - includes = [ + target="{}-linux-musl".format(cpu), + includes=[ "libc/include/generic-musl", "libc/include/any-linux-any", - "libc/include/x86_64-linux-musl", - "libc/include/x86_64-linux-any", + "libc/include/{}-linux-musl".format(cpu), + "libc/include/{}-linux-any".format(cpu), ], - linkopts = [], - copts = ["-D_LIBCPP_HAS_MUSL_LIBC", "-D_LIBCPP_HAS_THREAD_API_PTHREAD"], - bazel_target_cpu = "k8", - constraint_values = [ + linkopts=[], + copts=["-D_LIBCPP_HAS_MUSL_LIBC", "-D_LIBCPP_HAS_THREAD_API_PTHREAD"], + bazel_target_cpu="k8", + constraint_values=[ "@platforms//os:linux", - "@platforms//cpu:x86_64", + "@platforms//cpu:{}".format(cpu), ":musl", ], - tool_paths = {"ld": "ld.lld"}, + tool_paths={"ld": "ld.lld"}, ), -] +] for cpu in ("x86_64", "aarch64")] + +TARGET_CONFIGS = [val for sublist in TARGET_CONFIGS_LISTOFLISTS for val in sublist] def toolchain_repositories(): zig_repository( name = "zig_sdk", + version = "0.8.0", url_format = "https://ziglang.org/download/{version}/zig-{host_platform}-{version}.tar.xz", host_platform_sha256 = { "linux-x86_64": "502625d3da3ae595c5f44a809a87714320b7a40e6dff4a895b5fa7df3391d01e", "macos-x86_64": "279f9360b5cb23103f0395dc4d3d0d30626e699b1b4be55e98fd985b62bc6fbe", }, + host_platform_include_root = { "macos-x86_64": "lib/zig/", "linux-x86_64": "lib/", - }, + } ) def register_all_toolchains(): @@ -119,10 +123,10 @@ 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): @@ -134,8 +138,8 @@ 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) @@ -147,8 +151,8 @@ 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(""))) @@ -177,9 +181,9 @@ 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") @@ -207,7 +211,7 @@ 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) @@ -216,19 +220,19 @@ 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, @@ -260,7 +264,7 @@ 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(