From 3df56d576ff22a8c742fb5f3ff4ad23230ab3740 Mon Sep 17 00:00:00 2001
From: Erik Ekman <eekman@google.com>
Date: Fri, 8 Oct 2021 01:09:38 +0200
Subject: [PATCH] sys/net: Add ipv6 pseudomodule

Enabled when GNRC, lwIP or OpenWSN uses IPv6
---
 makefiles/pseudomodules.inc.mk | 1 +
 pkg/lwip/Makefile.dep          | 1 +
 pkg/openwsn/Makefile.dep       | 1 +
 sys/net/gnrc/Makefile.dep      | 4 ++++
 4 files changed, 7 insertions(+)

diff --git a/makefiles/pseudomodules.inc.mk b/makefiles/pseudomodules.inc.mk
index 7d8b3bbb21..8b883cdca4 100644
--- a/makefiles/pseudomodules.inc.mk
+++ b/makefiles/pseudomodules.inc.mk
@@ -75,6 +75,7 @@ PSEUDOMODULES += heap_cmd
 PSEUDOMODULES += i2c_scan
 PSEUDOMODULES += ieee802154_security
 PSEUDOMODULES += ieee802154_submac
+PSEUDOMODULES += ipv6
 PSEUDOMODULES += l2filter_blacklist
 PSEUDOMODULES += l2filter_whitelist
 PSEUDOMODULES += libstdcpp
diff --git a/pkg/lwip/Makefile.dep b/pkg/lwip/Makefile.dep
index f38075ffc9..5e4786c941 100644
--- a/pkg/lwip/Makefile.dep
+++ b/pkg/lwip/Makefile.dep
@@ -28,6 +28,7 @@ ifneq (,$(filter lwip_ipv6_autoconfig lwip_ipv6_mld,$(USEMODULE)))
 endif
 
 ifneq (,$(filter lwip_ipv6,$(USEMODULE)))
+  USEMODULE += ipv6
   USEMODULE += random
 endif
 
diff --git a/pkg/openwsn/Makefile.dep b/pkg/openwsn/Makefile.dep
index d52055b452..e5f7986fdc 100644
--- a/pkg/openwsn/Makefile.dep
+++ b/pkg/openwsn/Makefile.dep
@@ -30,6 +30,7 @@ ifneq (,$(filter openwsn_riotos,$(USEMODULE)))
 endif
 
 ifneq (,$(filter openwsn_ipv6,$(USEMODULE)))
+  USEMODULE += ipv6
   DEFAULT_MODULE += openwsn_icmpv6_echo
 endif
 
diff --git a/sys/net/gnrc/Makefile.dep b/sys/net/gnrc/Makefile.dep
index 2ca4f7d255..009e65aca0 100644
--- a/sys/net/gnrc/Makefile.dep
+++ b/sys/net/gnrc/Makefile.dep
@@ -304,6 +304,10 @@ ifneq (,$(filter gnrc_rpl_srh,$(USEMODULE)))
   USEMODULE += gnrc_ipv6_ext_rh
 endif
 
+ifneq (,$(filter gnrc_ipv6%,$(USEMODULE)))
+  USEMODULE += ipv6
+endif
+
 ifneq (,$(filter gnrc_ipv6_ext_frag,$(USEMODULE)))
   USEMODULE += gnrc_ipv6_ext
   USEMODULE += xtimer