Index: Makefile
===================================================================
--- Makefile (revision 381)
+++ Makefile (revision 382)
@@ -339,7 +339,7 @@
cargo-executable = $(shell which cargo)
-extra_environment += RUST_TARGET=$(rust-target)
+extra_environment += RUST_TARGET='$(rust-target)'
extra_environment += CARGO='$(cargo-executable)'
extra_environment += CARGO_EXTRA_FLAGS='+1.71.1-$(rust-host)'