Initial implementation

Makefile

@@ -0,0 +1,51 @@
+CC=gcc
+OUT=oats.out
+LIBS=-I.
+ARGS=
+
+RELEASE=0
+GFLAGS=-Wall -Wextra -Wswitch-enum -Werror -std=c11
+DFLAGS=-ggdb -fsanitize=address -fsanitize=undefined
+RFLAGS=-O3
+DEPFLAGS=-MT $@ -MMD -MP -MF
+
+ifeq ($(RELEASE), 1)
+CFLAGS=$(GFLAGS) $(RFLAGS) -DDEBUG=0
+else
+CFLAGS=$(GFLAGS) $(DFLAGS)
+endif
+
+DIST=build
+SRC:=tag.c memory.c vec.c sv.c lisp.c reader.c eval.c main.c
+OBJ:=$(SRC:%.c=$(DIST)/%.o)
+DEPDIR=$(DIST)/dependencies
+DEPS:=$(SRC:%.c=$(DEPDIR)/%.d)
+
+.PHONY: all
+all: $(DIST)/$(OUT)
+
+$(DIST)/%.o: %.c | $(DIST) $(DEPDIR)
+	$(CC) $(CFLAGS) $(DEPFLAGS) $(DEPDIR)/$*.d -c $< -o $@ $(LIBS)
+
+$(DIST)/$(OUT): $(OBJ) | $(DIST)
+	$(CC) $(CFLAGS) $^ -o $@ $(LIBS)
+
+.PHONY: run
+run: $(DIST)/$(OUT)
+	./$^ $(ARGS)
+
+.PHONY:
+clean:
+	rm -rfv $(DIST)/*
+
+$(DIST):
+	mkdir -p $(DIST)
+
+$(DEPDIR):
+	mkdir -p $(DEPDIR)
+
+.PHONY:
+watch:
+	find . -type 'f' -regex ".*.c\\|.*.h" | entr -cs "make run"
+
+-include $(DEPS)