Does not expect CC may have arguments rather than being in CFLAGS, e.g. -m32
--- a/Makefile
+++ b/Makefile
@@ -355,3 +355,3 @@
 	@echo '===> PSR $@'
-	$(Q)./$(PSR) $(CFGDEFS) -gcc $(CC_TARGET) -compile -flags '$(CFLAGS)' -cheader $@ -fname $(*F) $(@:.h=.o) $<
+	$(Q)./$(PSR) $(CFGDEFS) -gcc '$(CC_TARGET)' -compile -flags '$(CFLAGS)' -cheader $@ -fname $(*F) $(@:.h=.o) $<