CGROUP_DIR := $(selfdir)/cgroup LIBCGROUP_C := lib/cgroup_util.c LIBCGROUP_O := $(patsubst %.c, $(OUTPUT)/%.o, $(LIBCGROUP_C)) LIBCGROUP_O_DIRS := $(shell dirname $(LIBCGROUP_O) | uniq) CFLAGS += -I$(CGROUP_DIR)/lib/include EXTRA_HDRS := $(selfdir)/clone3/clone3_selftests.h $(LIBCGROUP_O_DIRS): mkdir -p $@ $(LIBCGROUP_O): $(OUTPUT)/%.o : $(CGROUP_DIR)/%.c $(EXTRA_HDRS) $(LIBCGROUP_O_DIRS) $(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c $< -o $@ EXTRA_CLEAN += $(LIBCGROUP_O)