diff -up yum-3.4.3/etc/Makefile.old yum-3.4.3/etc/Makefile
--- yum-3.4.3/etc/Makefile.old	2016-05-11 15:13:20.615716472 +0200
+++ yum-3.4.3/etc/Makefile	2016-05-11 15:13:35.308778357 +0200
@@ -1,6 +1,5 @@
 YUMETC=$(DESTDIR)/etc/yum
-compdir = $(shell pkg-config --variable=completionsdir bash-completion)
-compdir := $(or $(compdir), "/etc/bash_completion.d")
+compdir := $(or $(COMPDIR), "/etc/bash_completion.d")
 
 all:
 	echo "Nothing to do"