(automk14.info.gz) Invoking aclocal
5.3 Auto-generating aclocal.m4
Automake includes a number of Autoconf macros which can be used in your
package; some of them are actually required by Automake in certain
situations. These macros must be defined in your `aclocal.m4';
otherwise they will not be seen by `autoconf'.
The `aclocal' program will automatically generate `aclocal.m4' files
based on the contents of `configure.in'. This provides a convenient
way to get Automake-provided macros, without having to search around.
Also, the `aclocal' mechanism is extensible for use by other packages.
At startup, `aclocal' scans all the `.m4' files it can find, looking
for macro definitions. Then it scans `configure.in'. Any mention of
one of the macros found in the first step causes that macro, and any
macros it in turn requires, to be put into `aclocal.m4'.
The contents of `acinclude.m4', if it exists, are also automatically
included in `aclocal.m4'. This is useful for incorporating local
macros into `configure'.
`aclocal' accepts the following options:
Look for the macro files in DIR instead of the installation
directory. This is typically used for debugging.
Print a summary of the command line options and exit.
Add the directory DIR to the list of directories searched for
Cause the output to be put into FILE instead of `aclocal.m4'.
Prints the name of the directory which `aclocal' will search to
find the `.m4' files. When this option is given, normal processing
is suppressed. This option can be used by a package to determine
where to install a macro file.
Print the names of the files it examines.
Print the version number of Automake and exit.
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