From 1bbcb5ef6e2c13da62caef33d51091c1199ef3cd Mon Sep 17 00:00:00 2001
From: Marian Buschsieweke <marian.buschsieweke@ovgu.de>
Date: Fri, 5 Nov 2021 22:52:47 +0100
Subject: [PATCH] pkg/lua: add -Wno-cast-align

---
 pkg/lua/Makefile            | 2 ++
 pkg/lua/contrib/binsearch.c | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkg/lua/Makefile b/pkg/lua/Makefile
index 54ddbf1aae..c2eb5460ae 100644
--- a/pkg/lua/Makefile
+++ b/pkg/lua/Makefile
@@ -6,5 +6,7 @@ PKG_LICENSE=MIT
 
 include $(RIOTBASE)/pkg/pkg.mk
 
+CFLAGS += -Wno-cast-align
+
 all: Makefile.lua
 	$(QQ)"$(MAKE)" -C $(PKG_SOURCE_DIR) -f $(CURDIR)/Makefile.lua
diff --git a/pkg/lua/contrib/binsearch.c b/pkg/lua/contrib/binsearch.c
index 2aa7f96264..850fc74e0e 100644
--- a/pkg/lua/contrib/binsearch.c
+++ b/pkg/lua/contrib/binsearch.c
@@ -26,7 +26,7 @@ int binsearch_str(const void *start, size_t offset, size_t stride, size_t nmemb,
 
     while (lo < hi) {
         size_t mid = (lo + hi) / 2;
-        const char *target = *((const char *const *)(cstart + mid * stride));
+        const char *target = *((const char *const *)(uintptr_t)(cstart + mid * stride));
         int cmp = strncmp(str, target, n);
 
         if (cmp == 0) {