主makefile在子目录中运行make文件 [英] Master makefile which runs make files in subdirectories

问题描述

如何创建一个makefile，它将启动所有子目录中的所有make文件.是否可以在主makefile的主目录上运行"make"，从而自动触发子目录的make?

How do I go about creating a makefile that will launch all the make files in all the sub-directories. Is it possible run "make" on the main directory for the main makefile, which will automatically trigger the makes for the sub-directories?

示例:

/makefile   (this is the main makefile)
/subdirectory1/makefile
/subdirectory1/various .c/.h files compiled by the makefile in this directory
/subdirectory2/makefile
/subdirectory2/various .c/.h files compiled by the makefile in this directory
/subdirectory3/makefile
/subdirectory3/various .c/.h files compiled by the makefile in this directory

推荐答案

是的，非常简单.在主文件中:

Yes, it's pretty straightforward. In the main makefile:

all:
    $(MAKE) -C subdirectory1
    $(MAKE) -C subdirectory2
    $(MAKE) -C subdirectory3

一旦发现问题，就会有更复杂的变化形式.

There are more sophisticated variations, once you have this down.

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