From 34a42cd0a4ce7bf9f104dfd576ddf23e4015f626 Mon Sep 17 00:00:00 2001
From: Jan Lindemann <jan@janware.com>
Date: Tue, 12 Nov 2019 18:44:36 +0000
Subject: [PATCH] defs.mk: Fix uniq

uniq failed on empty argument lists, fix that

Signed-off-by: Jan Lindemann <jan@janware.com>
---
 make/defs.mk | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/make/defs.mk b/make/defs.mk
index 7ffbd12b..efc6ec20 100644
--- a/make/defs.mk
+++ b/make/defs.mk
@@ -125,11 +125,7 @@ define install_links
 		done;
 endef
 
-define uniq                  =
-  $(eval seen :=)
-  $(foreach _,$1,$(if $(filter $_,${seen}),,$(eval seen += $_)))
-  ${seen}
-endef
+uniq                         = $(if $1,$(firstword $1) $(call uniq,$(filter-out $(firstword $1),$1)))
 
 # ----- standard variables