From 63b54b5e84a136bd2756c7bcb51f874ea1f8857a Mon Sep 17 00:00:00 2001
From: Marian Buschsieweke <marian.buschsieweke@ovgu.de>
Date: Sat, 5 Sep 2020 22:52:54 +0200
Subject: [PATCH] makefiles/cflags.inc.mk: Add -Wcast-align

---
 makefiles/cflags.inc.mk | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/makefiles/cflags.inc.mk b/makefiles/cflags.inc.mk
index d68ea018d0..a4779b1406 100644
--- a/makefiles/cflags.inc.mk
+++ b/makefiles/cflags.inc.mk
@@ -70,6 +70,9 @@ OPTIONAL_CFLAGS += -Wformat=2
 OPTIONAL_CFLAGS += -Wformat-overflow
 OPTIONAL_CFLAGS += -Wformat-truncation
 
+# Warn about casts that increase alignment requirements
+OPTIONAL_CFLAGS += -Wcast-align
+
 # Warn if a user-supplied include directory does not exist.
 CFLAGS += -Wmissing-include-dirs