From 862cc45a9c3241101c5d89e18063724793f73e43 Mon Sep 17 00:00:00 2001
From: "Paul m. p. P" <pmpp.pub@gmail.com>
Date: Mon, 24 Jun 2019 14:11:56 +0200
Subject: [PATCH] py/mkrules.mk: Use $(CPP) not $(CC) -E for preprocessor rule.

---
 py/mkrules.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/py/mkrules.mk b/py/mkrules.mk
index 5c214090cc..7690c54092 100644
--- a/py/mkrules.mk
+++ b/py/mkrules.mk
@@ -53,7 +53,7 @@ vpath %.c . $(TOP) $(USER_C_MODULES)
 
 $(BUILD)/%.pp: %.c
 	$(ECHO) "PreProcess $<"
-	$(Q)$(CC) $(CFLAGS) -E -Wp,-C,-dD,-dI -o $@ $<
+	$(Q)$(CPP) $(CFLAGS) -Wp,-C,-dD,-dI -o $@ $<
 
 # The following rule uses | to create an order only prerequisite. Order only
 # prerequisites only get built if they don't exist. They don't cause timestamp