chore: switch to zig sdk

.bazelignore

@@ -0,0 +1 @@
+dist

BUILD.bazel

@@ -1,5 +1,11 @@
-alias(
-    name = "bzlreg",
-    visibility = ["//visibility:public"],
-    actual = "//bzlreg:bzlreg",
+load("@bzlws//rules:bzlws_copy.bzl", "bzlws_copy")
+
+bzlws_copy(
+    name = "copy_dist",
+    srcs = [
+        "//bzlmod:all_platforms",
+        "//bzlreg:all_platforms",
+    ],
+    out = "dist/{FILENAME}",
+    force = True,
 )

MODULE.bazel

@@ -13,29 +13,39 @@ bazel_dep(name = "boost.url", version = "1.83.0.bzl.2")
 bazel_dep(name = "libdeflate", version = "1.19")
 bazel_dep(name = "abseil-cpp", version = "20250127.0")
 bazel_dep(name = "boringssl", version = "0.20250212.0")
+bazel_dep(name = "bzlws", version = "0.2.0")
+bazel_dep(name = "aspect_bazel_lib", version = "2.13.0")
+bazel_dep(name = "hermetic_cc_toolchain", version = "3.1.1")
+bazel_dep(name = "docopt.cpp")
 
-bazel_dep(name = "toolchains_llvm", version = "1.3.0", dev_dependency = True)
-bazel_dep(name = "hedron_compile_commands", dev_dependency = True)
+zig_toolchains = use_extension("@hermetic_cc_toolchain//toolchain:ext.bzl", "toolchains")
+use_repo(zig_toolchains, "zig_sdk", "zig_sdk-linux-amd64", "zig_sdk-linux-arm64", "zig_sdk-macos-amd64", "zig_sdk-macos-arm64", "zig_sdk-windows-amd64")
 
-bazel_dep(name = "docopt.cpp")
+register_toolchains(
+    "@zig_sdk//toolchain:windows_amd64",
+    "@zig_sdk//toolchain:linux_amd64_musl",
+    "@zig_sdk//toolchain:linux_arm64_musl",
+    "@zig_sdk//toolchain:darwin_amd64",
+    "@zig_sdk//toolchain:darwin_arm64",
+    dev_dependency = True,
+)
 
+bazel_dep(name = "hedron_compile_commands", dev_dependency = True)
 git_override(
     module_name = "hedron_compile_commands",
     commit = "204aa593e002cbd177d30f11f54cff3559110bb9",
     remote = "https://github.com/hedronvision/bazel-compile-commands-extractor.git",
 )
 
-llvm = use_extension("@toolchains_llvm//toolchain/extensions:llvm.bzl", "llvm")
-llvm.toolchain(llvm_version = "16.0.4")
-use_repo(llvm, "llvm_toolchain")
-
-register_toolchains(
-    "@llvm_toolchain//:all",
-    dev_dependency = True,
-)
-
 git_override(
     module_name = "docopt.cpp",
     commit = "e2f9cdba36c3b70883cea848a8e4d72d9b9a3fac",
     remote = "https://github.com/ecsact-dev/docopt.cpp",
 )
+
+# using newer version of zig in our fork
+git_override(
+    module_name = "hermetic_cc_toolchain",
+    commit = "dd09c59e690869e1e3b6d64c073f125f17c03290",
+    remote = "git@github.com:seaube/hermetic_cc_toolchain.git",
+)

bazel/copts.bzl

@@ -1,5 +1,24 @@
+load("@aspect_bazel_lib//lib:transitions.bzl", "platform_transition_filegroup")
+load("@bazel_skylib//rules:copy_file.bzl", "copy_file")
+
+PLATFORMS = [
+    "@zig_sdk//platform:windows_amd64",
+    "@zig_sdk//platform:linux_amd64",
+    "@zig_sdk//platform:linux_arm64",
+    "@zig_sdk//platform:darwin_amd64",
+    "@zig_sdk//platform:darwin_arm64",
+]
+
+PLATFORMS_EXT = {
+    "windows_amd64": ".exe",
+    "linux_amd64": "",
+    "linux_arm64": "",
+    "darwin_amd64": "",
+    "darwin_arm64": "",
+}
+
 copts = select({
-    ("@rules_cc//cc/compiler:clang"): [
+    "@rules_cc//cc/compiler:clang": [
         "-std=c++20",
         "-fexperimental-library",
     ],
@@ -12,3 +31,27 @@ copts = select({
         "-std=c++20",
     ],
 })
+
+def for_all_platforms(name):
+    for platform in PLATFORMS:
+        platform_name = platform.split(":")[1]
+        platform_transition_filegroup(
+            name = "for-{}-{}".format(platform_name, name),
+            srcs = [":{}".format(name)],
+            target_platform = platform,
+        )
+        copy_file(
+            name = "copy-{}-{}".format(name, platform_name),
+            src = ":for-{}-{}".format(platform_name, name),
+            out = "{}-{}{}".format(
+                name,
+                platform_name,
+                PLATFORMS_EXT[platform_name],
+            ),
+            is_executable = True,
+        )
+
+    native.filegroup(
+        name = "all_platforms",
+        srcs = [":copy-{}-{}".format(name, platform.split(":")[1]) for platform in PLATFORMS],
+    )

bzlmod/BUILD.bazel

@@ -1,5 +1,5 @@
 load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library")
-load("//bazel:copts.bzl", "copts")
+load("//bazel:copts.bzl", "copts", "for_all_platforms")
 
 package(default_visibility = ["//:__subpackages__"])
 
@@ -80,3 +80,5 @@ cc_binary(
         "@docopt.cpp//:docopt",
     ],
 )
+
+for_all_platforms("bzlmod")

bzlreg/BUILD.bazel

@@ -1,5 +1,5 @@
 load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library")
-load("//bazel:copts.bzl", "copts")
+load("//bazel:copts.bzl", "copts", "for_all_platforms")
 
 package(default_visibility = ["//:__subpackages__"])
 
@@ -152,3 +152,5 @@ cc_binary(
         "@docopt.cpp//:docopt",
     ],
 )
+
+for_all_platforms("bzlreg")

install.cmd

@@ -1,5 +1,5 @@
 @echo off
 
-bazel build //bzlmod //bzlreg -c opt
+bazel build //bzlmod //bzlreg -c dbg
 xcopy /Y /F "%~dp0bazel-bin\bzlmod\bzlmod.exe" "%USERPROFILE%\.local\bin\"
 xcopy /Y /F "%~dp0bazel-bin\bzlreg\bzlreg.exe" "%USERPROFILE%\.local\bin\"