From 093caff1d3d69385ff44ef51cd6b185869ef0e8b Mon Sep 17 00:00:00 2001
From: Atis Elsts <atis.elsts@gmail.com>
Date: Thu, 18 Oct 2018 18:16:54 +0100
Subject: [PATCH] CC13x0/CC26x0 building: also fail with descriptive error
 message when cc13xxware/cc26xxware exists, but is empty

---
 arch/cpu/cc26xx-cc13xx/Makefile.cc26xx-cc13xx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/cpu/cc26xx-cc13xx/Makefile.cc26xx-cc13xx b/arch/cpu/cc26xx-cc13xx/Makefile.cc26xx-cc13xx
index 00f9ae2320..592ddfbd8b 100644
--- a/arch/cpu/cc26xx-cc13xx/Makefile.cc26xx-cc13xx
+++ b/arch/cpu/cc26xx-cc13xx/Makefile.cc26xx-cc13xx
@@ -1,8 +1,8 @@
 CPU_ABS_PATH       = arch/cpu/cc26xx-cc13xx
 TI_XXWARE = $(CONTIKI_CPU)/$(TI_XXWARE_PATH)
 
-ifeq (,$(wildcard $(TI_XXWARE)))
-    $(warning $(TI_XXWARE) does not exist.)
+ifeq (,$(wildcard $(TI_XXWARE)/*))
+    $(warning $(TI_XXWARE) does not exist or is empty.)
     $(warning Did you run 'git submodule update --init' ?)
     $(error "")
 endif
-- 
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