From 6b309b4297f28fcc6774ac3a19ab830713ec5e62 Mon Sep 17 00:00:00 2001
From: Jason Gross
Date: Wed, 18 Dec 2019 18:16:13 -0500
Subject: Fix complexity test-suite failure reporting on Win

Apparently `expr 1 \+ 1` is fine on Linux but not cygwin/Windows, where
it fails with "syntax error".  Similarly for `-` and `/`.
---
 test-suite/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test-suite/Makefile b/test-suite/Makefile
index 609a61226b..7e2ef3bc75 100644
--- a/test-suite/Makefile
+++ b/test-suite/Makefile
@@ -544,7 +544,7 @@ $(addsuffix .log,$(wildcard complexity/*.v)): %.v.log: %.v $(PREREQUISITELOG)
 	    true "find expected time * 100"; \
 	    exp=`sed -n -e "s/(\*.*Expected time < \([0-9]\).\([0-9][0-9]\)s.*\*)/\1\2/p" "$<"`; \
 	    true "compute corrected effective time, rounded up"; \
-	    rescorrected=`expr \( $$res \* $(bogomips) \+ 6120 \- 1 \) \/ 6120`; \
+	    rescorrected=`expr \( $$res \* $(bogomips) + 6120 - 1 \) / 6120`; \
 	    ok=`expr \( $$res \* $(bogomips) \) "<" \( $$exp \* 6120 \)`; \
 	    if [ "$$ok" = 1 ]; then \
 	      echo $(log_success); \
-- 
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