build: Fix mac build errors

Author: brson

mk/host.mk

@@ -74,7 +74,7 @@ $$(HLIB$(2)_H_$(4))/$$(CFG_STDLIB): \
 	@$$(call E, cp: $$@)
 	$$(Q)cp $$< $$@
 	$$(Q)cp -R $$(TLIB$(1)_T_$(4)_H_$(3))/$(STDLIB_GLOB) \
-		$$(TLIB$(1)_T_$(4)_H_$(3))/$(STDLIB_DSYM_GLOB) \
+		$$(wildcard $$(TLIB$(1)_T_$(4)_H_$(3))/$(STDLIB_DSYM_GLOB)) \
 	        $$(HLIB$(2)_H_$(4))
 
 $$(HLIB$(2)_H_$(4))/libcore.rlib: \