--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/third_party/emsdk/bazel/remote_emscripten_repository.bzl	Thu Jan 22 21:23:17 2026 -0800
@@ -0,0 +1,149 @@
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+load("@rules_cc//cc:defs.bzl", "cc_toolchain", "cc_toolchain_suite")
+load(":emscripten_build_file.bzl", "EMSCRIPTEN_BUILD_FILE_CONTENT_TEMPLATE")
+load(":revisions.bzl", "EMSCRIPTEN_TAGS")
+load("//emscripten_toolchain:toolchain.bzl", "emscripten_cc_toolchain_config_rule")
+
+def remote_emscripten_repository(
+    name,
+    bin_extension,
+    **kwargs,
+):
+    """Imports an Emscripten from an http archive
+
+    Args:
+      name: A unique name for this Emscripten repository.
+      bin_extension: Extension for the binaries in this Emscripten repository
+      **kwargs: Args for http_archive. Refer to http_archive documentation for more info.
+    """
+    http_archive(
+        name = name,
+        build_file_content = EMSCRIPTEN_BUILD_FILE_CONTENT_TEMPLATE.format(bin_extension = bin_extension),
+        **kwargs
+    )
+
+def emscripten_toolchain_name(name):
+    return "emscripten_{}".format(name)
+
+def _get_name_and_target(name):
+    return name, ":" + name
+
+def create_toolchains(name, repo_name, exec_compatible_with):
+    """Creates toolchain definition for an Emscripten
+
+    Register the toolchains defined by this macro via
+    `register_toolchains("//<path-to-target>:cc-toolchain-wasm-<name>")`
+
+    Args:
+      name: A unique name for this Emscripten toolchain
+      repo_name: The name of the Emscripten repository for this toolchain
+      exec_compatible_with: Execute platform constraints for the Emscripten toolchain associated
+        with this repository.
+      **kwargs: Args for http_archive. Refer to http_archive documentation for more info.
+    """
+    common_files_name, common_files_target = _get_name_and_target("common_files_" + name)
+    compiler_files_name, compiler_files_target = _get_name_and_target("compiler_files_" + name)
+    linker_files_name, linker_files_target = _get_name_and_target("linker_files_" + name)
+    ar_files_name, ar_files_target = _get_name_and_target("ar_files_" + name)
+    all_files_name, all_files_target = _get_name_and_target("all_files_" + name)
+    cc_wasm_name, cc_wasm_target = _get_name_and_target("cc-compiler-wasm-" + name)
+
+    wasm_name = "wasm-" + name
+
+    # These are file groups defined by the build_file_content on the Emscripten http_archive
+    remote_repo = "@{}//".format(repo_name)
+    repo_compiler_files_target = remote_repo + ":compiler_files"
+    repo_linker_files_target = remote_repo + ":linker_files"
+    repo_ar_files_target = remote_repo + ":ar_files"
+
+    native.filegroup(
+        name = common_files_name,
+        srcs = [
+            "@emscripten_cache//:emscripten_config",
+            "@emsdk//emscripten_toolchain:env.sh",
+            "@emsdk//emscripten_toolchain:env.bat",
+            "@nodejs//:node_files",
+        ],
+    )
+
+    native.filegroup(
+        name = compiler_files_name,
+        srcs = [
+            "@emsdk//emscripten_toolchain:emcc.sh",
+            "@emsdk//emscripten_toolchain:emcc.bat",
+            repo_compiler_files_target,
+            common_files_target,
+        ],
+    )
+
+    native.filegroup(
+        name = linker_files_name,
+        srcs = [
+            "@emsdk//emscripten_toolchain:emcc_link.sh",
+            "@emsdk//emscripten_toolchain:emcc_link.bat",
+            "link_wrapper.py",
+            repo_linker_files_target,
+            common_files_target,
+        ],
+    )
+
+    native.filegroup(
+        name = ar_files_name,
+        srcs = [
+            "@emsdk//emscripten_toolchain:emar.sh",
+            "@emsdk//emscripten_toolchain:emar.bat",
+            repo_ar_files_target,
+            common_files_target,
+        ],
+    )
+
+    native.filegroup(
+        name = all_files_name,
+        srcs = [
+            ar_files_target,
+            compiler_files_target,
+            linker_files_target,
+        ],
+    )
+
+    emscripten_cc_toolchain_config_rule(
+        name = wasm_name,
+        cpu = "wasm",
+        em_config = "@emscripten_cache//:emscripten_config",
+        emscripten_binaries = repo_compiler_files_target,
+        nodejs_bin = "@nodejs//:node",
+        script_extension = select({
+            "@bazel_tools//src/conditions:host_windows": "bat",
+            "//conditions:default": "sh",
+        }),
+    )
+
+    cc_toolchain(
+        name = cc_wasm_name,
+        all_files = all_files_target,
+        ar_files = ar_files_target,
+        as_files = ":empty",
+        compiler_files = compiler_files_target,
+        dwp_files = ":empty",
+        linker_files = linker_files_target,
+        objcopy_files = ":empty",
+        strip_files = ":empty",
+        toolchain_config = wasm_name,
+        toolchain_identifier = "emscripten-wasm-" + name,
+    )
+
+    native.toolchain(
+        name = "cc-toolchain-wasm-" + name,
+        target_compatible_with = ["@platforms//cpu:wasm32"],
+        exec_compatible_with = exec_compatible_with,
+        toolchain = cc_wasm_target,
+        toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
+    )
+
+    cc_toolchain_suite(
+        name = "everything-" + name,
+        toolchains = {
+            "wasm": cc_wasm_target,
+            "wasm|emscripten": cc_wasm_target,
+        },
+    )