autoscan to Create `configure.in'
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 (see section Configuration Header Files). You might also
have to change or add some #if directives to your program in
order to make it work with Autoconf (see section Using ifnames to List Conditionals, 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 is only installed if you already have Perl installed.
autoscan accepts the following options:
--help
--macrodir=dir
AC_MACRODIR
environment variable to a directory; this option overrides the
environment variable.
--verbose
--version
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