First version getting ready to release

Makefile

@@ -0,0 +1,33 @@
+# SPPro - portable C parser for Selectronic SP PRO serial data.
+
+CC      ?= cc
+CFLAGS  ?= -std=c99 -Wall -Wextra -Wpedantic -O2
+LDFLAGS ?=
+
+SRC     := src/sppro.c src/md5.c
+HDR     := src/sppro.h src/md5.h
+
+BUILD   := build
+
+.PHONY: all test host clean
+
+all: test host
+
+# Host unit tests (no hardware required).
+$(BUILD)/test_sppro: tests/test_sppro.c $(SRC) $(HDR) | $(BUILD)
+	$(CC) $(CFLAGS) -o $@ tests/test_sppro.c $(SRC) -lm
+
+test: $(BUILD)/test_sppro
+	./$(BUILD)/test_sppro
+
+# Linux serial-console dashboard demo.
+$(BUILD)/sppro-console: host/main.c $(SRC) $(HDR) | $(BUILD)
+	$(CC) $(CFLAGS) -o $@ host/main.c $(SRC) -lm
+
+host: $(BUILD)/sppro-console
+
+$(BUILD):
+	mkdir -p $(BUILD)
+
+clean:
+	rm -rf $(BUILD)