Node:Configuration Files, Next:Configurations, Up:Installation

Files Created by configure

Here we spell out what files will be set up by configure. Normally you need not be concerned with these files.

• A file named config.h is created that contains a #include of the top-level config file for the machine you will run the compiler on (see Config). This file is responsible for defining information about the host machine. It includes tm.h.

  The top-level config file is located in the subdirectory config. Its name is always xm-something.h; usually xm-machine.h, but there are some exceptions.

  If your system does not support symbolic links, you might want to set up config.h to contain a #include command which refers to the appropriate file.

• A file named tconfig.h is created which includes the top-level config file for your target machine. This is used for compiling certain programs to run on that machine.
• A file named tm.h is created which includes the machine-description macro file for your target machine. It should be in the subdirectory config and its name is often machine.h.
• The command file configure also constructs the file Makefile by adding some text to the template file Makefile.in. The additional text comes from files in the config directory, named t-target and x-host. If these files do not exist, it means nothing needs to be added for a given target or host.