1 files changed, 5 insertions, 0 deletions
diff --git a/common.mk b/common.mk
index b84de9c519..7949e61f47 100644
--- a/common.mk
+++ b/common.mk
@@ -549,6 +549,11 @@ fake: $(CROSS_COMPILING)-fake
 yes-fake: $(arch)-fake.rb $(RBCONFIG) PHONY
 no-fake: PHONY
 
+$(arch)-fake.rb: $(RBCONFIG) $(srcdir)/template/fake.rb.in $(srcdir)/tool/expand-config.rb rbconfig.rb
+	@$(BOOTSTRAPRUBY) $(srcdir)/tool/expand-config.rb \
+		-output=$@ -mode=$(INSTALL_PROG_MODE) -expand -config=rbconfig.rb \
+		srcdir="$(srcdir)" BASERUBY="$(BASERUBY)" $(srcdir)/template/fake.rb.in
+
 btest: $(TEST_RUNNABLE)-btest
 no-btest: PHONY
 yes-btest: fake miniruby$(EXEEXT) PHONY