Fix Makefile

build/Makefile

@@ -3,13 +3,17 @@
 all: x86_64
 
 x86_64: x.c util.c
-	build-diet.sh x86-64
-	gcc -nostdlib -static -fomit-frame-pointer -L./dietlibc/bin ./dietlibc/bin-arm/start.o -o x $^ -isystem ./dietlibc/include -D__dietlibc__ ./dietlibc/bin-arm/dietlibc.a -lgcc ./dietlibc/bin-arm/dietlibc.a
+	./build-diet.sh x86_64
+	gcc -nostdlib -static -fomit-frame-pointer -L./dietlibc/bin-$@ ./dietlibc/bin-$@/start.o -o x $^ -isystem ./dietlibc/include -D__dietlibc__ ./dietlibc/bin-$@/dietlibc.a -lgcc ./dietlibc/bin-$@/dietlibc.a
 
 i386: x.c util.c
-	build-diet.sh i386
-	gcc -nostdlib -static -fomit-frame-pointer -L./dietlibc/bin-arm ./dietlibc/bin-arm/start.o -o x $^ -isystem ./dietlibc/include -D__dietlibc__ ./dietlibc/bin-arm/dietlibc.a -lgcc ./dietlibc/bin-arm/dietlibc.a
+	./build-diet.sh i386
+	gcc -nostdlib -static -fomit-frame-pointer -L./dietlibc/bin-$@ ./dietlibc/bin-$@/start.o -o x $^ -isystem ./dietlibc/include -D__dietlibc__ ./dietlibc/bin-$@/dietlibc.a -lgcc ./dietlibc/bin-$@/dietlibc.a
 
 arm: x.c util.c
-	build-diet.sh arm
-	arm-linux-gnueabihf-gcc -nostdlib -static -fomit-frame-pointer -L./dietlibc/bin-arm ./dietlibc/bin-arm/start.o -o x $^ -isystem ./dietlibc/include -D__dietlibc__ ./dietlibc/bin-arm/dietlibc.a -lgcc ./dietlibc/bin-arm/dietlibc.a
+	./build-diet.sh arm
+	arm-linux-gnueabihf-gcc -nostdlib -static -fomit-frame-pointer -L./dietlibc/bin-$@ ./dietlibc/bin-$@/start.o -o x $^ -isystem ./dietlibc/include -D__dietlibc__ ./dietlibc/bin-$@/dietlibc.a -lgcc ./dietlibc/bin-$@/dietlibc.a
+
+clean:
+	make -C ./dietlibc clean
+	rm x