--- /dev/null
+# This file allows configuring the build system.
+
+# Which triple to produce a compiler toolchain for.
+#
+# Defaults to the default triple of rustc on the host system.
+#host = x86_64-unknown-linux-gnu
+
+# Which triple to build libraries (core/alloc/std/test/proc_macro) for.
+#
+# Defaults to `host`.
+#target = x86_64-unknown-linux-gnu
+
+# Disables cleaning of the sysroot dir. This will cause old compiled artifacts to be re-used when
+# the sysroot source hasn't changed. This is useful when the codegen backend hasn't been modified.
+# This option can be changed while the build system is already running for as long as sysroot
+# building hasn't started yet.
+#keep_sysroot