1 files changed, 8 insertions, 3 deletions

diff --git a/makefile b/makefile
index 0564f60..6efd105 100644
--- a/makefile
+++ b/makefile
@@ -3,12 +3,17 @@ all: csv-test seq-read
 CC=cc
 CFLAGS=-Wall -Wextra -pedantic -std=c99 -O2
 
-csv-test: csv-test.c csv.c csv.h
-        $(CC) $(CFLAGS) -o $@ csv-test.c csv.c
+csv-test: csv-test.c csv.o csv.h
+        $(CC) $(CFLAGS) -o $@ csv-test.c csv.o
 
 seq-read: seq-read.c
         $(CC) $(CFLAGS) -o $@ $<
 
-.PHONY: clean
+csv.o: csv.c csv.h
+        $(CC) $(CFLAGS) -o $@ -c csv.c
+
 clean:
         rm csv-test seq-read
+
+.PHONY: all clean
+