Makefile
CROSS_COMPILE =
AS = $(CROSS_COMPILE)as
LD = $(CROSS_COMPILE)ld
CC = $(CROSS_COMPILE)gcc
CPP = $(CC) -E
AR = $(CROSS_COMPILE)ar
NM = $(CROSS_COMPILE)nm
STRIP = $(CROSS_COMPILE)strip
OBJCOPY = $(CROSS_COMPILE)objcopy
OBJDUMP = $(CROSS_COMPILE)objdump
export AS LD CC CPP AR NM
export STRIP OBJCOPY OBJDUMP
#获取TOP_PATH
#TOP_PATH = $(shell pwd)
#添加vpath变量
#VPATH = $(TOP_PATH)/DIR
#添加头文件自动搜索路径
#CINCLUDES = -I(TOP_PATH)/DIR
CFLAGS := -Wall -O0 -g #$(CINCLUDES)
SAVE_TEMPS := -save-temps
LDFLAGS :=
export CFLAGS LDFLAGS
TOPDIR := $(shell pwd)
export TOPDIR
lpthread :=-lpthread
TARGET := test
obj-y += main.o
#obj-y += tpool.o
#obj-y += b/
#obj-y += cc/
all :
make -C ./ -f $(TOPDIR)/Makefile.build
$(CC) $(LDFLAGS) -o $(TARGET) built-in.o $(lpthread)
clean:
rm -f $(shell find -name "*.o")
rm -f $(shell find -name "*.d")
rm -f $(shell find -name "*.i*")
rm -f $(shell find -name "*.s")
rm -f $(TARGET)
rm -f $(shell find -name "core")
.PHONY:all clean
Makefile.build
PHONY := build
build :
obj-y :=
subdir-y :=
include Makefile
__subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y)))
subdir-y += $(__subdir-y)
subdir_objs := $(foreach f,$(subdir-y),$(f)/built-in.o)
cur_objs := $(filter-out %/, $(obj-y))
dep_files := $(foreach f,$(cur_objs),.$(f).d)
PHONY += $(subdir-y)
build : $(subdir-y) built-in.o
$(subdir-y):
make -C $@ -f $(TOPDIR)/Makefile.build
built-in.o : $(cur_objs) $(subdir_objs)
$(LD) -r -o $@ $^
dep_file = .$@.d
%.o : %.c
$(CC) $(SAVE_TEMPS) $(CFLAGS) -Wp,-MD,$(dep_file) -c -o $@ $<
.PHONY : $(PHONY)
