From e1ab9b20b1df99e87070be0bb5add200f3eda419 Mon Sep 17 00:00:00 2001
From: uvok
Date: Tue, 23 Dec 2025 19:07:22 +0000
Subject: Use pattern

---
 Makefile | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/Makefile b/Makefile
index 949996d..bd8a62b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,19 +1,29 @@
+MAKEFLAGS += --no-builtin-rules
+MAKEFLAGS += --no-builtin-variables
+.SUFFIXES:
+
 all: led.fs
 
 tangnano9k.cst:
 	wget https://github.com/YosysHQ/apicula/raw/refs/heads/master/examples/tangnano9k.cst || \
 	curl -LO https://github.com/YosysHQ/apicula/raw/refs/heads/master/examples/tangnano9k.cst
 
-led.json: led.v
-	yosys -p "read_verilog led.v; synth_gowin -top led -json led.json"
+%.json: %.v
+	yosys -p "read_verilog $<; synth_gowin -top $* -json $@"
 
-pnrled.json: tangnano9k.cst led.json
-	nextpnr-himbaechel --json led.json --write pnrled.json \
+%.pnr.json: %.json tangnano9k.cst
+	nextpnr-himbaechel --json $< --write $@ \
 	--device GW1NR-LV9QN88PC6/I5 --vopt family=GW1N-9C \
-	--vopt cst=tangnano9k.cst
+	--vopt cst=tangnano9k.cst || \
+	nextpnr-gowin --json $< --write $@ \
+	--device GW1NR-LV9QN88PC6/I5 --family GW1N-9C \
+	--cst tangnano9k.cst
 
-led.fs: pnrled.json
-	gowin_pack -d GW1N-9C -o led.fs pnrled.json
+%.fs: %.pnr.json
+	gowin_pack -d GW1N-9C -o $@ $<
 
 flash: led.fs
 	openFPGALoader -b tangnano9k -f led.fs
+
+clean:
+	rm -rf *.json *.fs
-- 
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