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Makefile rule as follows:
define variable random = name call $(random)
.PHONY:all @declaration the False target all:relay @in Makefile Only run the first goal When running a few goals, False target in the first line $@:goal set $<:Dependency on the first file $^:All dependent collection %.o:all *.o file转载地址：http://kjwal.baihongyu.com/