--- files/patch-src_bench_graphene-bench-utils.c	(nonexistent)
+++ files/patch-src_bench_graphene-bench-utils.c	(working copy)
@@ -0,0 +1,20 @@ 
+--- src/bench/graphene-bench-utils.c.orig	2018-12-04 11:34:21 UTC
++++ src/bench/graphene-bench-utils.c
+@@ -271,7 +271,7 @@ graphene_bench_print_results (const char *impl,
+ {
+   const char *d_unit, *round_unit, *iter_unit;
+   double d = format_time (elapsed, &d_unit);
+-  double round = format_time (avg, &round_unit);
++  double my_round = format_time (avg, &round_unit);
+   double iter = format_time (avg / bench_unit_rounds, &iter_unit);
+ 
+   switch (bench_output)
+@@ -283,7 +283,7 @@ graphene_bench_print_results (const char *impl,
+                " Per iteration: %.6f %s\n",
+                path, (gint64) (num_rounds * bench_unit_rounds), impl,
+                d, d_unit, num_rounds,
+-               round, round_unit, bench_unit_rounds,
++               my_round, round_unit, bench_unit_rounds,
+                iter, iter_unit);
+       break;
+