diff --git a/.gitignore b/.gitignore
index 801b2be..ebaa1e6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 /compile_commands.json
+/compile_flags.txt
 /build
 /docs/*.pdf
 /ain48
diff --git a/Makefile b/Makefile
index 05aea33..08540e9 100644
--- a/Makefile
+++ b/Makefile
@@ -26,8 +26,10 @@ DOCS=$(patsubst docs/%.typ, docs/%.pdf, $(DOCSRC))
 
 PROGRAM=ain48
 
-.PHONY: all build docs clean deepclean
-all: build docs
+.PHONY: all build docs clean deepclean setup
+all: setup build docs
+
+setup: compile_flags.txt
 
 build: $(PROGRAM)
 
@@ -44,6 +46,9 @@ deepclean: clean
 	$(RM) $(PROGRAM)
 	$(RM) $(DOCS)
 
+compile_flags.txt: Makefile
+	printf "%s\n" $(CFLAGS) > $@
+
 $(PROGRAM): $(OBJS)
 	$(LD) $(LDFLAGS) $(OBJS) -o $@