From ffbc2d641e94552b0bbabd42d8407f4ad6bcff1b Mon Sep 17 00:00:00 2001
From: Noah Metz <noah@metznet.ca>
Date: Sun, 7 Jan 2024 01:24:20 -0700
Subject: [PATCH] Added compile_commands.json to Makefile

---
 .gitignore |  3 +++
 Makefile   | 36 +++++++++++++++++++++++++++++++++---
 2 files changed, 36 insertions(+), 3 deletions(-)

diff --git a/.gitignore b/.gitignore
index da4cb90..85d4b89 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,5 @@
 spacegame
 *.o
+.compdb
+compile_commands.json
+.cache
diff --git a/Makefile b/Makefile
index 4dfbc4e..cab4578 100644
--- a/Makefile
+++ b/Makefile
@@ -2,10 +2,40 @@ CFLAGS = -I/opt/homebrew/include -O2 -Wall -Wextra
 LDFLAGS = -L/opt/homebrew/lib -lglfw -lvulkan -ldl
 CC = gcc
 
-SOURCES = $(wildcard $(SRC)/*.c)
+SOURCES = $(wildcard src/*.c)
+
+OBJECTS = $(addsuffix .o, $(basename $(SOURCES)))
+
+spacegame: $(OBJECTS)
+	$(CC) -o $@ $^ $(CFLAGS) $(LDFLAGS)
+
+.compdb/%.compdb_entry: %.c
+	@mkdir -p $(shell dirname $@)
+	@echo "    {" > $@
+	@echo "        \"command\": \"$(CC) $(CFLAGS) -c $<\","   >> $@
+	@echo "        \"directory\": \"$(CURDIR)\","               >> $@
+	@echo "        \"file\": \"$<\""                    >> $@
+	@echo "    },"                              >> $@
+
+COMPDB_ENTRIES = $(addprefix .compdb/, $(addsuffix .compdb_entry, $(basename $(SOURCES))))
+
+compile_commands.json: $(COMPDB_ENTRIES)
+	@echo "[" > $@.tmp
+	@cat $^ >> $@.tmp
+	@sed '$$d' < $@.tmp > $@
+	@echo "    }" >> $@
+	@echo "]" >> $@
+	@rm $@.tmp
 
 %.o: %.c
 	$(CC) -c -o $@ $< $(CFLAGS)
 
-spacegame: src/main.o
-	$(CC) -o $@ $^ $(CFLAGS) $(LDFLAGS)
+.PHONY: clean clean_compdb
+
+clean:
+	rm $(OBJECTS)
+	rm spacegame
+
+clean_compdb:
+	rm -rf .compdb
+	rm compile_commands.json