1#!/usr/local/bin/perl 2 3use Config; 4use File::Basename qw(&basename &dirname); 5use 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. 16my $origdir = cwd; 17chdir dirname($0); 18my $file = basename($0, '.PL'); 19$file .= '.com' if $^O eq 'VMS'; 20 21open OUT,">$file" or die "Can't create $file: $!"; 22 23print "Extracting $file (with variable substitutions)\n"; 24 25# In this section, perl variables will be expanded during extraction. 26# You can use $Config{...} to use Configure variables. 27 28print OUT <<"!GROK!THIS!"; 29$Config{startperl} 30 eval 'exec $Config{perlpath} -S \$0 \${1+"\$@"}' 31 if \$running_under_some_shell; 32!GROK!THIS! 33 34use File::Spec; 35 36my $piconv = File::Spec->catfile(File::Spec->catdir(File::Spec->updir, "cpan", "Encode", "bin"), "piconv"); 37 38if (open(PICONV, $piconv)) { 39 print OUT <PICONV>; 40 close PICONV; 41} else { 42 die "$0: cannot find '$piconv'\n"; 43} 44 45close OUT or die "Can't close $file: $!"; 46chmod 0755, $file or die "Can't reset permissions for $file: $!\n"; 47exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':'; 48chdir $origdir; 49