Index: tests/preempt_longrun/Makefile.in
===================================================================
--- tests/preempt_longrun/Makefile.in	(revision dc8511c89e456024f8e634c472b1ebc5d96cc56e)
+++ tests/preempt_longrun/Makefile.in	(revision 20b66f7865c893cb97435891e852cdbda25504bb)
@@ -337,5 +337,4 @@
 AUTOMAKE = @AUTOMAKE@
 AWK = @AWK@
-BACKEND_CC = @BACKEND_CC@
 BUILD_IN_TREE_FLAGS = @BUILD_IN_TREE_FLAGS@
 CC = @CFACC@