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Update rust_toolchain to use execution transitions. #270

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Update rust_toolchain to use execution transitions. #270

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5 changes: 5 additions & 0 deletions rust/toolchain.bzl
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Original file line number Diff line number Diff line change
Expand Up @@ -35,16 +35,20 @@ rust_toolchain = rule(
"rustc": attr.label(
doc = "The location of the `rustc` binary. Can be a direct source or a filegroup containing one item.",
allow_single_file = True,
cfg = "exec",
),
"rust_doc": attr.label(
doc = "The location of the `rustdoc` binary. Can be a direct source or a filegroup containing one item.",
allow_single_file = True,
cfg = "exec",
),
"rustc_lib": attr.label(
doc = "The libraries used by rustc during compilation.",
cfg = "target",
),
"rust_lib": attr.label(
doc = "The rust standard library.",
cfg = "target",
),
"staticlib_ext": attr.string(mandatory = True),
"dylib_ext": attr.string(mandatory = True),
Expand All @@ -57,6 +61,7 @@ rust_toolchain = rule(
"target_triple": attr.string(),
"_crosstool": attr.label(
default = Label("@bazel_tools//tools/cpp:current_cc_toolchain"),
cfg = "exec",
),
"opt_level": attr.string_dict(default = {
"opt": "3",
Expand Down