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# $OpenBSD: Trace.pm,v 1.1 2012/06/19 09:30:44 espie Exp $
# Copyright (c) 2007-2010 Steven Mestdagh <steven@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
use strict;
use warnings;
use feature qw(say switch state);
package LT::Trace;
sub print(&)
{
my $val = shift;
if (defined $ENV{'TRACE_LIBTOOL'}) {
state $trace_file;
if (!defined $trace_file) {
open $trace_file, '>>', $ENV{'TRACE_LIBTOOL'};
}
if (defined $trace_file) {
print $trace_file (&$val);
}
}
}
sub debug(&;$)
{
my ($args, $level) = @_;
$level = 1 if !defined $level;
if (defined $main::D && $main::D >= $level) {
print (&$args);
}
}
1;
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