From 22c46b04c9ab08e56d4112dd90b7e55ab0118cbd Mon Sep 17 00:00:00 2001
From: Benjamin Valentin <benjamin.valentin@ml-pa.com>
Date: Thu, 13 Jan 2022 12:53:41 +0100
Subject: [PATCH] sys/net/sock: introduce SOCK_HAS_IPV4

---
 sys/Makefile.include | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/Makefile.include b/sys/Makefile.include
index f2e9429aec..31e8c274e8 100644
--- a/sys/Makefile.include
+++ b/sys/Makefile.include
@@ -107,6 +107,9 @@ ifneq (,$(filter skald, $(USEMODULE)))
 endif
 
 ifneq (,$(filter sock sock_%,$(USEMODULE)))
+  ifneq (,$(filter ipv4,$(USEMODULE)))
+    CFLAGS += -DSOCK_HAS_IPV4
+  endif
   ifneq (,$(filter ipv6,$(USEMODULE)))
     CFLAGS += -DSOCK_HAS_IPV6
   endif