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IFNAMES
!!!IFNAMES
NAME
SYNOPSIS
DESCRIPTION
SEE ALSO
AUTHORS
----
!!NAME


ifnames - print identifiers that a package uses in C preprocessor conditionals
!!SYNOPSIS


__ifnames__ [[ __--help__ | __-h__ ] [[
__--version__ | __-V__ ]
!!DESCRIPTION


__ifnames__ can help when writing a __configure.ac__
for a software package. It prints the identifiers that the
package already uses in C preprocessor conditionals. If a
package has already been set up to have some portability,
this program can help you figure out what its
__configure__ needs to check for. It may help fill in
some gaps in a __configure.ac__ generated by
__autoscan__ (see autoscan(1)).


__ifnames__ scans all of the C source files named on the
command line (or the standard input, if none are given) and
writes to the standard output a sorted list of all the
identifiers that appear in those files in __#if__,
__#elif__, __#ifdef__, or __#ifndef__ directives.
It prints each identifier on a line, followed by a
space-separated list of the files in which that identifier
occurs.


__ifnames__ accepts the following options:


__--help__


__-h__


Print a summary of the command line options and
exit.


__--version__


__-V__


Print the version number of Autoconf and exit.
!!SEE ALSO


autoconf(1), autoheader(1),
autoreconf(1), autoscan(1),
autoupdate(1)
!!AUTHORS


David !MacKenzie, with help from Franc,ois Pinard, Karl
Berry, Richard Pixley, Ian Lance Taylor, Roland !McGrath,
Noah Friedman, David D. Zuhn, and many others. This manpage
written by Ben Pfaff
autoconf__ package.
----

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Last edited on Tuesday, June 4, 2002 12:22:10 am by "perry"

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