Makefile: fix mrproper behavior for .rmeta and libmacros.so

Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

Author: ojeda

Makefile

@@ -1605,6 +1605,9 @@ $(mrproper-dirs):
 
 mrproper: clean $(mrproper-dirs)
 	$(call cmd,rmfiles)
+	@find . $(RCS_FIND_IGNORE) \
+		\( -name '*.rmeta' \) \
+		-type f -print | xargs rm -f
 
 # distclean
 #
@@ -1989,7 +1992,6 @@ clean: $(clean-dirs)
 	$(call cmd,rmfiles)
 	@find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
 		\( -name '*.[aios]' -o -name '*.ko' -o -name '.*.cmd' \
-		-o -name '*.rmeta' \
 		-o -name '*.ko.*' \
 		-o -name '*.dtb' -o -name '*.dtbo' -o -name '*.dtb.S' -o -name '*.dt.yaml' \
 		-o -name '*.dwo' -o -name '*.lst' \

rust/Makefile

@@ -4,6 +4,7 @@ obj-$(CONFIG_RUST) += core.o compiler_builtins.o helpers.o
 always-$(CONFIG_RUST) += exports_core_generated.h
 
 always-$(CONFIG_RUST) += libmacros.so
+no-clean-files += libmacros.so
 
 always-$(CONFIG_RUST) += bindings_generated.rs bindings_helpers_generated.rs
 obj-$(CONFIG_RUST) += alloc.o kernel.o