third_party/nix: introduce toolchain bundle
This introduces a nix derivation that builds a musl amd64/aarch64
toolchain sysroot.
Change-Id: Iba082edb8fd1f2ab580020bb1c7339a76487f3c8
Reviewed-on: https://review.monogon.dev/c/monogon/+/4006
Reviewed-by: Lorenz Brun <lorenz@monogon.tech>
Tested-by: Jenkins CI
diff --git a/build/toolchain/toolchain-bundle/BUILD.bazel b/build/toolchain/toolchain-bundle/BUILD.bazel
new file mode 100644
index 0000000..1b26331
--- /dev/null
+++ b/build/toolchain/toolchain-bundle/BUILD.bazel
@@ -0,0 +1,11 @@
+load(":toolchain.bzl", "TOOLCHAINS", "toolchain_for")
+
+package(default_visibility = ["//visibility:public"])
+
+[
+ toolchain_for(
+ name = name,
+ config = config,
+ )
+ for name, config in TOOLCHAINS.items()
+]