| #!/usr/local/bin/perl |
| |
| use Config; |
| use File::Basename qw(&basename &dirname); |
| 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}. |
| |
| # 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. |
| my $origdir = cwd; |
| chdir dirname($0); |
| my $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; |
| !GROK!THIS! |
| |
| use File::Spec; |
| |
| my $cpan = File::Spec->catfile(File::Spec->catdir(File::Spec->updir, qw(cpan CPAN scripts)), "cpan"); |
| |
| if (open(CPAN, $cpan)) { |
| print OUT <CPAN>; |
| close CPAN; |
| } else { |
| die "$0: cannot find '$cpan'\n"; |
| } |
| |
| close OUT or die "Can't close $file: $!"; |
| chmod 0755, $file or die "Can't reset permissions for $file: $!\n"; |
| exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':'; |
| chdir $origdir; |