From 8614bf229004e77e6492b5b2af6eb0472c9c5e73 Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Mon, 5 Apr 2021 10:15:07 -0700
Subject: Change build system so verilator doesn't require constant "make
 clean"s.

---
 Makefile | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index f4a0da8..601e946 100644
--- a/Makefile
+++ b/Makefile
@@ -8,9 +8,12 @@ sim: build/Vtop
 .PHONY: sim
 
 build/Vtop: $(SOURCES) $(COLLATERAL)
-	@mkdir -p build
-	verilator +1800-2017ext+sv -Wall -Wno-BLKSEQ -Wno-UNUSED -O3 -Ihdl $(OPTS) --Mdir build --trace --cc --build -j --exe --top-module top $(SOURCES)
+	@rm -rf verilator
+	@mkdir -p build verilator
+	verilator +1800-2017ext+sv -Wall -Wno-BLKSEQ -Wno-UNUSED -O3 -Ihdl $(OPTS) --Mdir verilator --trace --cc --build -j --exe --top-module top $(SOURCES)
+	@ln -t build -f verilator/Vtop
+	@rm -rf verilator
 
 clean:
-	rm -rf build
+	rm -rf build verilator
 .PHONY: clean
-- 
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