etc/configbuild.tin

   1    config.in        *configure*      Makefile.in
   2       |                  |               |
   3       |                  v               |
   4       |             config.status        |
   5       |                  |               |
   6    *config.status*<======+==========>*config.status*
   7       |                                  |
   8       v                                  v
   9    config.h                          Makefile