From b098108c99d98adfa9f2fb9033b7c29b9b3dc364 Mon Sep 17 00:00:00 2001
From: Juergen Fitschen <me@jue.yt>
Date: Sat, 23 May 2020 16:40:54 +0200
Subject: [PATCH] ztimer_xtimer_compat: move PSEUDOMODULES definition to
 Makefile.include

---
 sys/Makefile.include    | 6 ++++++
 sys/ztimer/Makefile.dep | 1 -
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/sys/Makefile.include b/sys/Makefile.include
index f6add34d89..5832c2e7f2 100644
--- a/sys/Makefile.include
+++ b/sys/Makefile.include
@@ -111,3 +111,9 @@ endif
 ifneq (,$(filter zptr,$(USEMODULE)))
   include $(RIOTBASE)/sys/zptr/Makefile.include
 endif
+
+# Convert xtimer into a pseudo module if its API is already implemented by
+# ztimer's compatibility wrapper
+ifneq (,$(filter ztimer_xtimer_compat,$(USEMODULE)))
+  PSEUDOMODULES += xtimer
+endif
diff --git a/sys/ztimer/Makefile.dep b/sys/ztimer/Makefile.dep
index 96fdee11dc..d616f82849 100644
--- a/sys/ztimer/Makefile.dep
+++ b/sys/ztimer/Makefile.dep
@@ -42,7 +42,6 @@ endif
 ifneq (,$(filter ztimer_xtimer_compat,$(USEMODULE)))
   USEMODULE += div
   USEMODULE += ztimer_usec
-  PSEUDOMODULES += xtimer
 endif
 
 ifneq (,$(filter ztimer_%,$(USEMODULE)))