问题描述
这两个文件通常在开源项目中可见.
These two files are mostly seen in open source projects.
它们是做什么用的，它们是如何工作的?
What are they for, and how do they work?
推荐答案
Makefile.am是程序员定义的文件，由automake用于生成Makefile.in文件(.am代表 uto m ake).通常在源压缩包中看到的configure脚本将使用Makefile.in生成Makefile.
Makefile.am is a programmer-defined file and is used by automake to generate the Makefile.in file (the .am stands for automake).The configure script typically seen in source tarballs will use the Makefile.in to generate a Makefile.
configure脚本本身是由名为或configure.in(不建议使用).我更喜欢.ac(对于 a uto c onf)，因为它可以将其与生成的Makefile.in文件区分开来，这样我可以使用诸如make dist-clean这样的规则运行rm -f *.in.由于它是生成的文件，因此通常不存储在修订系统(例如Git，SVN，Mercurial或CVS)中，而.ac文件将存储在该文件中.
The configure script itself is generated from a programmer-defined file named either configure.ac or configure.in (deprecated). I prefer .ac (for autoconf) since it differentiates it from the generated Makefile.in files and that way I can have rules such as make dist-clean which runs rm -f *.in. Since it is a generated file, it is not typically stored in a revision system such as Git, SVN, Mercurial or CVS, rather the .ac file would be.
有关 GNU自动工具的更多信息.阅读有关 make 和 Makefile ，然后了解 automake ， autoconf ， libtool 等
Read more on GNU Autotools.Read about make and Makefile first, then learn about automake, autoconf, libtool, etc.
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