automake.info: Rebuilding

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Rebuilding Makefiles

   Automake generates rules to automatically rebuild `Makefile's,
`configure', and other derived files like `Makefile.in'.
   If you are using `AM_MAINTAINER_MODE' in `configure.in', then these
automatic rebuilding rules are only enabled in maintainer mode.
   Sometimes you need to run `aclocal' with an argument like `-I' to
tell it where to find `.m4' files.  Since sometimes `make' will
automatically run `aclocal', you need a way to specify these arguments.
You can do this by defining `ACLOCAL_AMFLAGS'; this holds arguments
which are passed verbatim to `aclocal'.  This variable is only useful
in the top-level `Makefile.am'.