FFI::Probe(3pm)

Usage

 use FFI::Probe;
 
 my $probe = FFI::Probe->new;
 $probe->check_header('foo.h');
 ...

Version

version 2.10

Overview

This class provides an interface for probing for system capabilities. It is used internally as part of the FFI::Platypus build process, but it may also be useful for extensions that use Platypus as well.

Constructor

new

 my $probe = FFI::Probe->new(%args);

Creates a new instance.

`log`	Path to a log or file handle to write to.
`data_filename`	Path to a file which will be used to store/cache results.

Methods

check_header

 my $bool = $probe->check_header($header);

Checks that the given C header file is available. Stores the result, and returns a true/false value.

check_cpp

check_eval

 my $bool = $probe>check_eval(%args);

`headers`	Any additional headers.
`decl`	Any C declarations that need to be made before the `"dlmain"` function.
`stmt`	Any C statements that should be made before the evaluation.
`eval`	Any evaluations that should be returned.

check

check_type_int

 my $type = $probe->check_type_int($type);

check_type_enum

 my $type = $probe->check_type_enum;

check_type_enum

 my $type = $probe->check_type_enum;

check_type_float

 my $type = $probe->check_type_float($type);

check_type_pointer

 my $type = $probe->check_type_pointer;

set

 $probe->set(@key, $value);

Used internally to store a value.

save

 $probe->save;

Saves the values already detected.

data

 my $data = $probe->data;

Returns a hashref of the data already detected.

log

 $probe->log($string);

Sends the given string to the log.

log_code

 $prbe->log_code($string);

Sends the given multi-line code block to the log.

template

 my $template = $probe->template;

Returns the C code template used for "check_eval" and other "check_" methods.

Copyright and license

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

Releases

4 releases since Debian 10 (Buster); the text changed 3 times.

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