1CFLAGS += -Wall 2 3PROGS = \ 4 vfork fork sig skodic clone leaderkill childthread \ 5 sigkill_rain wait_must_be_interruptible threaded_execve \ 6 mtd ubi select sigreturn 7 8all: $(PROGS) 9 10leaderkill: LDFLAGS += -pthread 11 12childthread: LDFLAGS += -pthread 13 14clean distclean: 15 rm -f *.o core $(PROGS) *.gdb 16 17.PHONY: all clean distclean 18