From 04d32e9609a34915fcedc21e39ca3a9bea4e6ce1 Mon Sep 17 00:00:00 2001
From: Alexandre Abadie <alexandre.abadie@inria.fr>
Date: Tue, 3 Mar 2020 16:07:57 +0100
Subject: [PATCH] makefiles/jlink: export JLINK_IF to required targets

---
 makefiles/tools/jlink.inc.mk | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/makefiles/tools/jlink.inc.mk b/makefiles/tools/jlink.inc.mk
index e95d1725db..34a2526097 100644
--- a/makefiles/tools/jlink.inc.mk
+++ b/makefiles/tools/jlink.inc.mk
@@ -12,9 +12,16 @@ RESET_FLAGS ?= reset
 
 JLINK_SERIAL ?= $(DEBUG_ADAPTER_ID)
 
+JLINK_IF ?=
+
 # Export JLINK_SERIAL to required targets
 JLINK_TARGETS = debug% flash% reset term-rtt
 $(call target-export-variables,$(JLINK_TARGETS),JLINK_SERIAL)
 
 # Export JLINK_DEVICE to required targets
 $(call target-export-variables,$(JLINK_TARGETS),JLINK_DEVICE)
+
+ifneq (,$(JLINK_IF))
+  # Export JLINK_IF to required targets if not empty
+  $(call target-export-variables,$(JLINK_TARGETS),JLINK_IF)
+endif