diff --git a/jour4/Makefile b/jour4/Makefile
deleted file mode 100644
index 2e76cf5..0000000
--- a/jour4/Makefile
+++ /dev/null
@@ -1,18 +0,0 @@
-CC=gcc
-CFLAGS= -Wall -g
-
-all: clean main clean
-
-main: main.o utils.o
-	$(CC) -o $@ $^
-
-main.o:	main.c
-	$(CC) $(CFLAGS) $^ -o $@ -c
-
-utils.o: utils.c
-	$(CC) $(CFLAGS) $^ -o $@ -c
-
-.PHONY: all clean
-
-clean:
-	rm -f *.o
diff --git a/jour4/main.c b/jour4/main.c
index 8348583..c5dbe41 100644
--- a/jour4/main.c
+++ b/jour4/main.c
@@ -4,24 +4,6 @@
 
 #include "utils.h"
 
-#define FILENAME "input"
-
-void premPartie(FILE *ptr);
-void deuxPartie(FILE *ptr);
-
-int main()
-{
-  FILE *ptr = fopen(FILENAME, "r");
-  if (ptr == NULL)
-    return 1;
-
-  //premPartie(ptr);
-  deuxPartie(ptr);
-
-  fclose(ptr);
-  return 0;
-}
-
 void deuxPartie(FILE *ptr)
 {
   int find = 0, tmp;
diff --git a/jour4/utils.c b/lib/utils.c
similarity index 100%
rename from jour4/utils.c
rename to lib/utils.c
diff --git a/jour4/utils.h b/lib/utils.h
similarity index 100%
rename from jour4/utils.h
rename to lib/utils.h
diff --git a/make.sh b/make.sh
index cde494e..91cb504 100755
--- a/make.sh
+++ b/make.sh
@@ -11,10 +11,12 @@ do
 done
 
 rm -f *.o turbo_main
+echo "Compilation de la lib utils.c."
+gcc -Wall -g lib/utils.c -o utils.o -c
 echo "Compilation de turbo_main.c."
 gcc -Wall -g turbo_main.c -o turbo_main.o -c
 echo "Compilation du jour $jour."
-gcc -Wall -g jour$jour/main.c -o tmp.o -c
-gcc -o turbo_main tmp.o turbo_main.o
+gcc -Wall -g jour$jour/main.c -o tmp.o -c -Ilib
+gcc -o turbo_main tmp.o turbo_main.o utils.o
 rm -f *.o 
 cp jour$jour/input input