ifnames2.13 - print identifiers that a package uses in C preprocessor
conditionals
ifnames2.13 [ --help | -h ] [ --macrodir=dir | -m dir ] [ --version ]
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:
--help
-h Print a summary of the command line options and exit.
--macrodir=DIR
-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.
--version
Print the version number of Autoconf and exit.
autoconf2.13(1), autoheader2.13(1), autoreconf2.13(1), autoscan2.13(1),
autoupdate2.13(1)
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 <[email protected]>
for the Debian GNU/Linux autoconf2.13 package.
Autoconf IFNAMES(1)
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