diff --git a/defs/gmake.mk b/defs/gmake.mk
index 08d4cde440..71b6c87b0d 100644
--- a/defs/gmake.mk
+++ b/defs/gmake.mk
@@ -504,6 +504,9 @@ $(RUBYSPEC_CAPIEXT)/%.$(DLEXT): $(srcdir)/$(RUBYSPEC_CAPIEXT)/%.c $(srcdir)/$(RU
 	$(ECHO) building $@
 	$(Q) $(MAKEDIRS) $(@D)
 	$(Q) $(DLDSHARED) -L. $(XDLDFLAGS) $(XLDFLAGS) $(LDFLAGS) $(INCFLAGS) $(CPPFLAGS) $(OUTFLAG)$@ $< $(LIBRUBYARG)
+ifneq ($(POSTLINK),)
+	$(Q) $(POSTLINK)
+endif
 	$(Q) $(RMALL) $@.*
 
 rubyspec-capiext: $(patsubst %.c,$(RUBYSPEC_CAPIEXT)/%.$(DLEXT),$(notdir $(wildcard $(srcdir)/$(RUBYSPEC_CAPIEXT)/*.c)))