多个静态库合并

echo CREATE lib-static.a > ar.mac  回车
echo SAVE >> ar.mac 回车
echo END >> ar.mac 回车
ar -M < ar.mac  

ar -q lib-static.a api.o 

echo OPEN lib-static.a > ar.mac 回车
echo ADDLIB other-static.a >> ar.mac 回车
echo SAVE >> ar.mac 回车
echo END >> ar.mac 回车
ar -M < ar.mac 回车

define BUILD_LIBRARY 
 $(if $(wildcard $@),@$(RM) $@) 
 $(if $(wildcard ar.mac),@$(RM) ar.mac) 
 $(if $(filter %.a, $^), 
 @echo CREATE $@ > ar.mac 
 @echo SAVE >> ar.mac 
 @echo END >> ar.mac 
 @$(AR) -M < ar.mac 
 ) 
 $(if $(filter %.o,$^),@$(AR) -q $@ $(filter %.o, $^)) 
 $(if $(filter %.a, $^), 
 @echo OPEN $@ > ar.mac 
 $(foreach LIB, $(filter %.a, $^), 
 @echo ADDLIB $(LIB) >> ar.mac 
 ) 
 @echo SAVE >> ar.mac 
 @echo END >> ar.mac 
 @$(AR) -M < ar.mac 
 @$(RM) ar.mac 
 ) 
 endef 

 $(TargetDir)/$(TargetFileName):$(OBJS) 
    $(BUILD_LIBRARY)