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NAME    [Toc]    [Back]

       ifnames2.13  -  print identifiers that a package uses in C preprocessor

SYNOPSIS    [Toc]    [Back]

       ifnames2.13 [ --help | -h ] [ --macrodir=dir | -m dir ] [ --version ]

DESCRIPTION    [Toc]    [Back]

       ifnames2.13 can help when writing a configure.in 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 config-
       ure needs to check for.	It may help fill in some  gaps	in  a  config-
       ure.in generated by autoscan2.13 (see autoscan2.13(1)).

       ifnames2.13  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.

       ifnames2.13 accepts the following options:


       -h     Print a summary of the command line options and exit.


       -m DIR Look for the installed macro files in directory  DIR.   You  can
	      also  set  the  AC_MACRODIR environment variable to a directory;
	      this option overrides the environment variable.

	      Print the version number of Autoconf and exit.

SEE ALSO    [Toc]    [Back]

       autoconf2.13(1), autoheader2.13(1), autoreconf2.13(1), autoscan2.13(1),

AUTHORS    [Toc]    [Back]

       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 <pfaffben@msu.edu>
       for the Debian GNU/Linux autoconf2.13 package.

				   Autoconf			    IFNAMES(1)
[ Back ]
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