Operation modes:

-h, --help

print this help, then exit

-V, --version

print version number, then exit

-v, --verbose

verbosely report processing

-d, --debug

don't remove temporary files

-f, --force

consider all files obsolete

-i, --install

copy missing auxiliary files

--no-recursive

don't rebuild sub-packages

-s, --symlink

with -i, install symbolic links instead of copies

-m, --make

when applicable, re-run ./configure && make

-W, --warnings=CATEGORY

report the warnings falling in CATEGORY [syntax]

Warning categories include:

`cross'

cross compilation issues

`gnu'

GNU coding standards (default in gnu and gnits modes)

`obsolete'

obsolete features or constructions

`override'

user redefinitions of Automake rules or variables

`portability'

portability issues (default in gnu and gnits modes)

`syntax'

dubious syntactic constructs (default)

`unsupported'

unsupported or incomplete features (default)

`all'

all the warnings

`no-CATEGORY'

turn off warnings in CATEGORY

`none'

turn off all the warnings

`error'

treat warnings as errors

The environment variable `WARNINGS' is honored. Some subtools might support other warning types, using `all' is encouraged.

Library directories:

-B, --prepend-include=DIR

prepend directory DIR to search path

-I, --include=DIR

append directory DIR to search path

The environment variables AUTOM4TE, AUTOCONF, AUTOHEADER, AUTOMAKE, ACLOCAL, AUTOPOINT, LIBTOOLIZE, M4, and MAKE are honored.