The
autoscan
program can help you create a
configure.in
file for a
software package.
autoscan
examines source files in the directory
tree rooted at a directory given as a command line argument, or the
current directory if none is given. It searches the source files for
common portability problems and creates a file
configure.scan
which
is a preliminary
configure.in
for that package.
You should manually examine
configure.scan
before renaming it to
configure.in;
it will probably need some adjustments. Occasionally
autoscan
outputs a macro in the wrong order relative to another
macro, so that
autoconf
produces a warning; you need to move such
macros manually. Also, if you want the package to use a configuration
header file, you must add a call to
AC_CONFIG_HEADER.
You might
also have to change or add some
#if
directives to your program in
order to make it work with Autoconf (see
ifnames(1)),
for information about a program that can help with that job).
autoscan
uses several data files, which are installed along with the
distributed Autoconf macro files, to determine which macros to output
when it finds particular symbols in a package's source files. These
files all have the same format. Each line consists of a symbol,
whitespace, and the Autoconf macro to output if that symbol is
encountered. Lines starting with
#
are comments.
autoscan
requires that a Perl interpreter is installed.
autoscan
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.
--verbose
Print the names of the fiels it examines and the potentially
interesting symbols it finds in them. This output can be voluminous.
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@pilot.msu.edu> for the Debian GNU/Linux
autoconf
package.
