:: commit 8e38080724795a890507afd15bd6351005e678b7

diff --git a/GNUmakefile.in b/GNUmakefile.in
index 60110c76..48ee69ce 100644
--- a/GNUmakefile.in
+++ b/GNUmakefile.in
@@ -1,8 +1,14 @@
 # Nuke built-in rules and variables.
-ifeq ($(__BASH_MAKE_COMPLETION__)$(GMAKE_BUILTINS),)
+ROOTMAKE := true
+ifeq ($(__BASH_MAKE_COMPLETION__)$(ROOTMAKE),true)
+ifeq ($(MAKECMDGOALS),)
+    override TARGETS := all
+else
+    override TARGETS := $(MAKECMDGOALS)
+endif
 override TMP_INC := $(shell mktemp)
-$(shell for t in DEFAULT $(MAKECMDGOALS); 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) GMAKE_BUILTINS=off\n" >>'$(TMP_INC)')
+$(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)')
 include $(TMP_INC)
 else