From 3154b349c8b77d5e76eeb978fb9d6f78d03ceb88 Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Thu, 15 Apr 2021 16:38:39 -0700
Subject: More makefile corrections/simplifications for quartus on Linux.

---
 Makefile | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index 52b10cc..522a7d5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,7 @@
 SOURCES := $(shell find hdl sim -name \*.sv -o -name \*.cpp)
 HEADERS := $(shell find hdl -name \*.svh)
 MEMORIES := $(shell find mem -name \*.hex)
+QUARTUS := $(shell find altera tcl -name \*.cdf -o -name \*.sdc -o -name \*.tcl)
 
 OPTS ?=
 
@@ -15,11 +16,10 @@ build/Vtop: $(SOURCES) $(HEADERS)
 	@ln -t build -f verilator/Vtop
 	@rm -rf verilator
 
-noncpu.qpf: $(SOURCES) $(HEADERS) $(MEMORIES)
+noncpu.sof: $(SOURCES) $(HEADERS) $(MEMORIES) $(QUARTUS)
+	[ ! -e noncpu.qpf ] || quartus_sh -t tcl/clean.tcl
 	quartus_sh -t tcl/init.tcl
-
-noncpu.sof: noncpu.qpf $(SOURCES) $(HEADERS) $(MEMORIES)
-	quartus_sh --flow compile $<
+	quartus_sh --flow compile noncpu.qpf
 
 fpga: noncpu.sof
 	quartus_pgm -c 1 -m JTAG -o "P;$<@1"
-- 
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