Add token registry

Makefile

@@ -1,22 +1,25 @@
 # Author:	Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
 # SPDX-License-Identifier:	GPL-3.0-or-later
-# File-version: 3
+# File-version: 5
 
 INPUTS = $(wildcard *.sol)
+OUTPUTS = $(patsubst %.sol, %.json, $(INPUTS))
 PREFIX = /usr/local/share/cic/solidity/abi
 
-%.abi: $(wildcard *.sol)
-	install -vDm0644 $@ $(PREFIX)/$@
+#%.abi.json: $(wildcard *.sol)
+#	install -vDm0644 $@ $(PREFIX)/$@
 
-%.sol:
-	solc $@ --abi | awk 'NR>3' > $(basename $@).abi
+.SUFFIXES: .sol .json
 
-# TODO: improve, does not detect changes in sol files (I suck at writing makefiles)
-all: $(INPUTS)
+.sol.json:
+	solc $(basename $@).sol --abi | awk 'NR>3' > $@
 
-install: $(wildcard *.abi)
+all: $(OUTPUTS)
+
+install: $(OUTPUTS)
+	install -vDm0644 -t $(PREFIX) $?
 
 clean:
-	rm -vf *.abi
+	rm -vf *.json
 
 .PHONY: clean install