# Unless you're developing for a target where Rust CI doesn't build a compiler
# toolchain or changing LLVM locally, you probably want to set this to true.
#
-# It's currently false by default due to being newly added; please file bugs if
-# enabling this did not work for you on x86_64-unknown-linux-gnu.
-# Other target triples are currently not supported; see #77084.
+# This is false by default so that distributions don't unexpectedly download
+# LLVM from the internet.
+#
+# All tier 1 targets are currently supported; set this to `"if-supported"` if
+# you are not sure whether you're on a tier 1 target.
#
# We also currently only support this when building LLVM for the build triple.
#
#
#debug = false
+# Whether to download the stage 1 and 2 compilers from CI.
+# This is mostly useful for tools; if you have changes to `compiler/` they will be ignored.
+#
+# FIXME: currently, this also uses the downloaded compiler for stage0, but that causes unnecessary rebuilds.
+#download-rustc = false
+
# Number of codegen units to use for each compiler invocation. A value of 0
# means "the number of cores on this machine", and 1+ is passed through to the
# compiler.