1 files changed, 6 insertions, 2 deletions

diff --git a/makefile b/makefile
index 6bbb98a..14f5db3 100644
--- a/makefile
+++ b/makefile
@@ -1,8 +1,9 @@
 .PHONY: all clean
 
 CFLAGS=-Wall -Werror -Wextra -Wno-unused-function -Wsign-conversion -pedantic -std=c99 -g
+BINS=list list-tail-node dlist stack stack2 queue ringbuff hashtab tree avl heap quicksort allocator rb deque arraylist insertsort shellsort
 
-all: list list-tail-node dlist stack stack2 queue ringbuff hashtab tree avl heap quicksort allocator rb deque arraylist insertsort
+all: $(BINS)
 
 list: list.c util.h
         cc $(CFLAGS) $< -o $@
@@ -55,6 +56,9 @@ arraylist: arraylist.c util.h
 insertsort: insertsort.c util.h
         cc $(CFLAGS) $< -o $@
 
+shellsort: shellsort.c util.h
+        cc $(CFLAGS) $< -o $@
+
 clean:
-        rm -f list list-tail-node dlist stack stack2 queue ringbuff hashtab tree avl heap quicksort allocator rb deque arraylist insertsort
+        rm -f $(BINS)