--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/third_party/emsdk/bazel/emscripten_toolchain/BUILD.bazel	Thu Jan 22 21:23:17 2026 -0800
@@ -0,0 +1,44 @@
+load("//:emscripten_deps.bzl", "emscripten_repo_name")
+load("//:remote_emscripten_repository.bzl", "create_toolchains", "emscripten_toolchain_name")
+load("@rules_cc//cc:defs.bzl", "cc_library")
+load("@rules_python//python:py_binary.bzl", "py_binary")
+
+package(default_visibility = ["//visibility:public"])
+
+# dlmalloc.bc is implicitly added by the emscripten toolchain
+cc_library(name = "malloc")
+
+create_toolchains(
+    name = emscripten_toolchain_name("linux"),
+    repo_name = emscripten_repo_name("linux"),
+    exec_compatible_with = [ "@platforms//os:linux", "@platforms//cpu:x86_64"],
+)
+
+create_toolchains(
+    name = emscripten_toolchain_name("linux_arm64"),
+    repo_name = emscripten_repo_name("linux_arm64"),
+    exec_compatible_with = ["@platforms//os:linux", "@platforms//cpu:arm64"],
+)
+
+create_toolchains(
+    name = emscripten_toolchain_name("mac"),
+    repo_name = emscripten_repo_name("mac"),
+    exec_compatible_with = ["@platforms//os:macos", "@platforms//cpu:x86_64"],
+)
+
+create_toolchains(
+    name = emscripten_toolchain_name("mac_arm64"),
+    repo_name = emscripten_repo_name("mac_arm64"),
+    exec_compatible_with = ["@platforms//os:macos", "@platforms//cpu:arm64"],
+)
+
+create_toolchains(
+    name = emscripten_toolchain_name("win"),
+    repo_name = emscripten_repo_name("win"),
+    exec_compatible_with = ["@platforms//os:windows", "@platforms//cpu:x86_64"],
+)
+
+py_binary(
+    name = "wasm_binary",
+    srcs = ["wasm_binary.py"],
+)