fix: file structure, building to build/

Makefile

@@ -1,8 +1,8 @@
-SRC = 	pasm.c \
-	file_utils.c \
-	interpreter_states.c \
-	instructions.c \
-	api.c
+SRC = 	src/pasm.c \
+	src/file_utils.c \
+	src/interpreter_states.c \
+	src/instructions.c \
+	src/api.c
 OBJ = $(SRC:.c=.o)
 NAME = pasm
 CFLAGS = -Wall -Wextra -Wpedantic -Iinclude
@@ -11,13 +11,14 @@ CLIBS =
 all:	$(NAME)
 
 lib: $(OBJ)
-	ar rc lib$(NAME).a $(OBJ)
+	mkdir build
+	ar rc build/lib$(NAME).a $(OBJ)
 
 $(NAME): fclean
 $(NAME): lib
-$(NAME): CLIBS += lib$(NAME).a
+$(NAME): CLIBS += build/lib$(NAME).a
 $(NAME):
-	gcc tests/interpreter.c $(CFLAGS) $(CLIBS) -o $(NAME)
+	gcc tests/interpreter.c $(CFLAGS) $(CLIBS) -o build/$(NAME)
 
 interpreter: $(NAME)
 
@@ -30,8 +31,7 @@ clean:
 	cd tests && $(MAKE) clean
 
 fclean: clean
-	rm -f $(NAME)
-	find . -name "lib$(NAME).a" -delete
+	rm -rf build/
 	cd tests && $(MAKE) fclean
 
 re: fclean