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script/buildcc.PL  view on Meta::CPAN

#! perl

use Config;
use File::Basename qw(&basename &dirname);
use File::Spec;
use Cwd;

# List explicitly here the variables you want Configure to
# generate.  Metaconfig only looks for shell variables, so you
# have to mention them as if they were shell variables, not
# %Config entries.  Thus you write
#  $startperl
# to ensure Configure will look for $Config{startperl}.
# Wanted:  $archlibexp

# This forces PL files to create target in same directory as PL file.
# This is so that make depend always knows where to find PL derivatives.
$origdir = cwd;
chdir dirname($0);
$file = basename($0, '.PL');
$file .= '.com' if $^O eq 'VMS';

open OUT,">$file" or die "Can't create $file: $!";

print "Extracting $file (with variable substitutions)\n";

# In this section, perl variables will be expanded during extraction.
# You can use $Config{...} to use Configure variables.

print OUT <<"!GROK!THIS!";
$Config{startperl}
    eval 'exec $Config{perlpath} -S \$0 \${1+"\$@"}'
    if \$running_under_some_shell;
--\$running_under_some_shell;
!GROK!THIS!

# In the following, perl variables are not expanded during extraction.

print OUT <<'!NO!SUBS!';

# Version 1.00, Reini Urban, 2013-02-11 09:52:10

use strict;
use warnings;
use 5.006_000;

use FileHandle;
use Config;
use Fcntl qw(:DEFAULT :flock);
use File::Temp qw(tempfile);
use File::Basename qw(basename dirname);
use File::Path qw(mkpath);
# use Cwd;
use Pod::Usage;
# Time::HiRes does not work with 5.6
# use Time::HiRes qw(gettimeofday tv_interval);
our $VERSION = 1.00;
$| = 1;
eval { require B::C::Flags; };

$SIG{INT} = sub { exit(); } if exists $SIG{INT}; # exit gracefully and clean up after ourselves.

# usage: vprint [level] msg args
sub vprint {
    my $level;
    if (@_ == 1) {
        $level = 1;
    } elsif ($_[0] =~ /^-?\d$/) {
        $level = shift;