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AUTOM4TE(1) User Commands AUTOM4TE(1) NAME autom4te - Generate files and scripts thanks to M4 SYNOPSIS autom4te [OPTION]... [FILES] DESCRIPTION Run GNU M4 on the FILES, avoiding useless runs. Output the traces if trac- ing, the frozen file if freezing, otherwise the expansion of the FILES. If some of the FILES are named 'FILE.m4f' they are considered to be M4 frozen files of all the previous files (which are therefore not loaded). If 'FILE.m4f' is not found, then 'FILE.m4' will be used, together with all the previous files. Some files may be optional, i.e., will only be processed if found in the include path, but then must end in '.m4?'; the question mark is not part of the actual file name. 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 -o, --output=FILE save output in FILE (defaults to '-', stdout) -f, --force don't rely on cached values -W, --warnings=CATEGORY report the warnings falling in CATEGORY (comma-separated list ac- cepted) -l, --language=LANG specify the set of M4 macros to use -C, --cache=DIRECTORY preserve results for future runs in DIRECTORY --no-cache disable the cache -m, --mode=OCTAL change the non trace output file mode (0666) -M, --melt don't use M4 frozen files Languages include: 'Autoconf' create Autoconf configure scripts 'Autotest' create Autotest test suites 'M4sh' create M4sh shell scripts 'M4sugar' create M4sugar output Warning categories are: cross cross compilation issues gnu GNU coding standards (default in gnu and gnits modes) obsolete obsolete features or constructions (default) override user redefinitions of Automake rules or variables portability portability issues (default in gnu and gnits modes) portability-recursive nested Make variables (default with -Wportability) extra-portability extra portability issues related to obscure tools syntax dubious syntactic constructs (default) unsupported unsupported or incomplete features (default) -W also understands: all turn on all the warnings none turn off all the warnings no-CATEGORY turn off warnings in CATEGORY error treat all enabled warnings as errors The environment variables 'M4' and 'WARNINGS' are honored. Library directories: -B, --prepend-include=DIR prepend directory DIR to search path -I, --include=DIR append directory DIR to search path Tracing: -t, --trace=MACRO[:FORMAT] report the MACRO invocations -p, --preselect=MACRO prepare to trace MACRO in a future run Freezing: -F, --freeze produce an M4 frozen state file for FILES FORMAT defaults to '$f:$l:$n:$%', and can use the following escapes: $$ literal $ $f file where macro was called $l line where macro was called $d nesting depth of macro call $n name of the macro $NUM argument NUM, unquoted and with newlines $SEP@ all arguments, with newlines, quoted, and separated by SEP $SEP* all arguments, with newlines, unquoted, and separated by SEP $SEP% all arguments, without newlines, unquoted, and separated by SEP SEP can be empty for the default (comma for @ and *, colon for %), a single character for that character, or {STRING} to use a string. AUTHOR Written by Akim Demaille. REPORTING BUGS Report bugs to bug-autoconf@gnu.org, or via Savannah: https://savannah.gnu.org/support/?group=autoconf2.73. COPYRIGHT Copyright (C) 2026 Free Software Foundation, Inc. License GPLv3+/Autoconf: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>, <https://gnu.org/licenses/exceptions.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO autoconf2.73(1), automake(1), autoreconf2.73(1), autoupdate2.73(1), auto- header2.73(1), autoscan2.73(1), ifnames2.73(1), libtool(1). The full documentation for Autoconf is maintained as a Texinfo manual. To read the manual locally, use the command info autoconf2.73 You can also consult the Web version of the manual at https://gnu.org/software/autoconf/manual/. GNU Autoconf 2.73 March 2026 AUTOM4TE(1)
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