From 11feab9496ef610fa01f088155549b4d2d5e5c08 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Thu, 12 Oct 2023 18:21:55 -0400
Subject: bench: Check for bfs -j support before using it

---
 bench/bench.sh | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/bench/bench.sh b/bench/bench.sh
index be5a15b..ab56b79 100644
--- a/bench/bench.sh
+++ b/bench/bench.sh
@@ -467,7 +467,11 @@ bench-jobs-corpus() {
     if ((${#BFS[@]} + ${#FD[@]} == 1)); then
         cmds=()
         for bfs in "${BFS[@]}"; do
-            cmds+=("$bfs -j"{1,2,3,4,6,8,12,16}" $2 -false")
+            if "$bfs" -j1 -quit &>/dev/null; then
+                cmds+=("$bfs -j"{1,2,3,4,6,8,12,16}" $2 -false")
+            else
+                cmds+=("$bfs $2 -false")
+            fi
         done
 
         for fd in "${FD[@]}"; do
@@ -481,14 +485,20 @@ bench-jobs-corpus() {
 
             cmds=()
             for bfs in "${BFS[@]}"; do
-                cmds+=("$bfs -j$j $2 -false")
+                if "$bfs" -j1 -quit &>/dev/null; then
+                    cmds+=("$bfs -j$j $2 -false")
+                elif ((j == 1)); then
+                    cmds+=("$bfs $2 -false")
+                fi
             done
 
             for fd in "${FD[@]}"; do
                 cmds+=("$fd -j$j -u '^$' $2")
             done
 
-            do-hyperfine "${cmds[@]}"
+            if ((${#cmds[@]})); then
+                do-hyperfine "${cmds[@]}"
+            fi
         done
     fi
 }
-- 
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