| 1 | #!/usr/local/bin/perl |
| 2 | |
| 3 | use Config; |
| 4 | use File::Basename qw(&basename &dirname); |
| 5 | use Cwd; |
| 6 | |
| 7 | # List explicitly here the variables you want Configure to |
| 8 | # generate. Metaconfig only looks for shell variables, so you |
| 9 | # have to mention them as if they were shell variables, not |
| 10 | # %Config entries. Thus you write |
| 11 | # $startperl |
| 12 | # to ensure Configure will look for $Config{startperl}. |
| 13 | |
| 14 | # This forces PL files to create target in same directory as PL file. |
| 15 | # This is so that make depend always knows where to find PL derivatives. |
| 16 | my $origdir = cwd; |
| 17 | chdir dirname($0); |
| 18 | my $file = basename($0, '.PL'); |
| 19 | $file .= '.com' if $^O eq 'VMS'; |
| 20 | |
| 21 | open OUT,">$file" or die "Can't create $file: $!"; |
| 22 | |
| 23 | print "Extracting $file (with variable substitutions)\n"; |
| 24 | |
| 25 | # In this section, perl variables will be expanded during extraction. |
| 26 | # You can use $Config{...} to use Configure variables. |
| 27 | |
| 28 | print OUT <<"!GROK!THIS!"; |
| 29 | $Config{startperl} |
| 30 | eval 'exec $Config{perlpath} -S \$0 \${1+"\$@"}' |
| 31 | if \$running_under_some_shell; |
| 32 | !GROK!THIS! |
| 33 | |
| 34 | use File::Spec; |
| 35 | |
| 36 | my $script = File::Spec->catfile( |
| 37 | File::Spec->catdir( |
| 38 | File::Spec->updir, qw[cpan Digest-SHA] |
| 39 | ), "shasum"); |
| 40 | |
| 41 | if (open(IN, $script)) { |
| 42 | print OUT <IN>; |
| 43 | close IN; |
| 44 | } else { |
| 45 | die "$0: cannot find '$script'\n"; |
| 46 | } |
| 47 | |
| 48 | close OUT or die "Can't close $file: $!"; |
| 49 | chmod 0755, $file or die "Can't reset permissions for $file: $!\n"; |
| 50 | exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':'; |
| 51 | chdir $origdir; |