From f310140136b755c3c0ce92488349709082293163 Mon Sep 17 00:00:00 2001
From: Rob Austein <sra@hactrn.net>
Date: Tue, 21 Aug 2018 15:06:04 -0400
Subject: Add explicit check for timing failure, per Pavel.

---
 build/xilinx.mk | 1 +
 1 file changed, 1 insertion(+)

diff --git a/build/xilinx.mk b/build/xilinx.mk
index 0250915..e1cc9bc 100644
--- a/build/xilinx.mk
+++ b/build/xilinx.mk
@@ -111,6 +111,7 @@ $(project)_par.ncd: $(project).ncd
 	else \
 		$(MAKE) etwr; \
 	fi
+	@ ! grep >/dev/null 'WARNING:Par:468' $(project)_par.par
 junk += $(project)_par.ncd $(project)_par.par $(project)_par.pad
 junk += $(project)_par_pad.csv $(project)_par_pad.txt
 junk += $(project)_par.grf $(project)_par.ptwx
-- 
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