build: Improvement for self -rR make kludge
diff --git a/GNUmakefile.in b/GNUmakefile.in
index ad21d254..48ee69ce 100644
--- a/GNUmakefile.in
+++ b/GNUmakefile.in
@@ -8,7 +8,7 @@ else
endif
override TMP_INC := $(shell mktemp)
$(shell for t in $(TARGETS); do printf ".PHONY: $$t\n$$t:\n\t@true\n" >>'$(TMP_INC)'; done)
-$(shell printf "\t@rm -f '$(TMP_INC)'\n\t@\$$(MAKE) -rR $(MAKECMDGOALS) ROOTMAKE=false\n" >>'$(TMP_INC)')
+$(shell printf "\t@rm -f '\$$(TMP_INC)'\n\t@\$$(MAKE) -rR \$$(MAKECMDGOALS) ROOTMAKE=false\n" >>'$(TMP_INC)')
include $(TMP_INC)
else
