ifnames man page

ifnames — Extract CPP conditionals from a set of files

Synopsis

ifnames [OPTION]... [FILE]...

Description

Scan all of the C source FILES (or the standard input, if none are given) and write to the standard output a sorted list of all the identifiers that appear in those files in `#if', `#elif', `#ifdef', or `#ifndef' directives. Print each identifier on a line, followed by a space-separated list of the files in which that identifier occurs.

-h, --help
print this help, then exit
-V, --version
print version number, then exit

Author

Written by David J. MacKenzie and Paul Eggert.

Reporting Bugs

Report bugs to <bug-autoconf@gnu.org>.
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See Also

autoconf(1), automake(1), autoreconf(1), autoupdate(1), autoheader(1), autoscan(1), config.guess(1), config.sub(1), ifnames(1), libtool(1).

Referenced By

autoconf(1), autoheader(1), autom4te(1), autoreconf(1), autoscan(1), autoupdate(1), config.guess(1), config.sub(1).

April 2012 GNU Autoconf 2.68b.25-19513 User Commands