From 85c640d415dd59aa8f5ed540d50104e356e159cf Mon Sep 17 00:00:00 2001
From: Alexandre Abadie <alexandre.abadie@inria.fr>
Date: Fri, 21 Apr 2023 09:41:36 +0200
Subject: [PATCH] sys/trace: move dependency resolution in its own Makefile.dep

---
 sys/Makefile.dep       | 5 -----
 sys/trace/Makefile.dep | 2 ++
 2 files changed, 2 insertions(+), 5 deletions(-)
 create mode 100644 sys/trace/Makefile.dep

diff --git a/sys/Makefile.dep b/sys/Makefile.dep
index f7bd98dafa..86b89e449d 100644
--- a/sys/Makefile.dep
+++ b/sys/Makefile.dep
@@ -96,11 +96,6 @@ ifneq (,$(filter ieee802154_security,$(USEMODULE)))
   USEMODULE += cipher_modes
 endif
 
-ifneq (,$(filter trace,$(USEMODULE)))
-  USEMODULE += ztimer
-  USEMODULE += ztimer_usec
-endif
-
 ifneq (,$(filter shell_lock,$(USEMODULE)))
   USEMODULE += ztimer_msec
 endif
diff --git a/sys/trace/Makefile.dep b/sys/trace/Makefile.dep
new file mode 100644
index 0000000000..d5c7b40f31
--- /dev/null
+++ b/sys/trace/Makefile.dep
@@ -0,0 +1,2 @@
+USEMODULE += ztimer
+USEMODULE += ztimer_usec