day 2

Makefile

@@ -1,4 +1,14 @@
-all: day1
+FILES = $(wildcard ./*)
+SRCS  = $(filter %.c,$(FILES))
+BINS  = $(SRCS:%.c=%.elf)
 
-%: %.c
-	gcc-tree -o $@ -Wall -Werror -pedantic -D_GNU_SOURCE -std=gnu2y -O3 -g $<
+CFLAGS = -Wall -Werror -pedantic -D_GNU_SOURCE -std=gnu2y -O3 -g -Wno-unused\
+	     -nostartfiles -static -Ttext=C475000
+
+all: $(BINS)
+
+%.elf: %.c
+	gcc-tree -o $@ $(CFLAGS) $<
+
+clean:
+	rm ./*.elf