From 4ac682086076f1ca5d679263c13213d5570eddcd Mon Sep 17 00:00:00 2001
From: Marian Buschsieweke <marian.buschsieweke@ovgu.de>
Date: Thu, 4 Nov 2021 15:29:21 +0100
Subject: [PATCH] pkg/wolfssl: add -Wno-cast-align

---
 pkg/wolfssl/Makefile | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkg/wolfssl/Makefile b/pkg/wolfssl/Makefile
index fd2d8d2e28..3e4a326307 100644
--- a/pkg/wolfssl/Makefile
+++ b/pkg/wolfssl/Makefile
@@ -11,6 +11,12 @@ include $(RIOTBASE)/pkg/pkg.mk
 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90710#c1
 CFLAGS += -Wno-maybe-uninitialized
 
+# wolfcrypt uses uint8_t for block buffers, on which fast
+# 32 bit operations are performed. From a quick peek at the
+# code it looks like the buffers are correctly aligned, so
+# this is a false positive.
+CFLAGS += -Wno-cast-align
+
 .PHONY: wolfcrypt%
 
 all: $(filter wolfcrypt wolfcrypt-test wolfcrypt-benchmark,$(USEMODULE))