verilator/test_regress/t/t_flag_skipidentical.pl
2011-10-12 23:03:53 -04:00

33 lines
967 B
Perl
Executable File

#!/usr/bin/perl
if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; }
# DESCRIPTION: Verilator: Verilog Test driver/expect definition
#
# Copyright 2003 by Wilson Snyder. This program is free software; you can
# redistribute it and/or modify it under the terms of either the GNU
# Lesser General Public License Version 3 or the Perl Artistic License
# Version 2.0.
$Self->{vlt} or $Self->skip("Verilator only test");
{
compile ();
my $outfile = "$Self->{obj_dir}/V".$Self->{name}.".cpp";
my @oldstats = stat($outfile);
print "Old mtime=",$oldstats[9],"\n";
$oldstats[9] or $Self->error("No output file found: $outfile\n");
sleep (1); # Or else it might take < 1 second to compile and see no diff.
compile ();
my @newstats = stat($outfile);
print "New mtime=",$newstats[9],"\n";
($oldstats[9] == $newstats[9])
or $Self->error("--skip-identical was ignored -- recompiled\n");
}
ok(1);
1;