1#!/usr/local/bin/perl 2 3use Config; 4use File::Basename qw(&basename &dirname); 5use File::Spec; 6use Cwd; 7 8# List explicitly here the variables you want Configure to 9# generate. Metaconfig only looks for shell variables, so you 10# have to mention them as if they were shell variables, not 11# %Config entries: 12# $startperl 13# $perlpath 14# $eunicefix 15 16# This forces PL files to create target in same directory as PL file. 17# This is so that make depend always knows where to find PL derivatives. 18$origdir = cwd; 19chdir dirname($0); 20$file = basename($0, '.PL'); 21$file .= '.com' if $^O eq 'VMS'; 22 23# Open input file before creating output file. 24$IN = File::Spec->catfile(File::Spec->updir, 'lib', 'diagnostics.pm'); 25open IN or die "Can't open $IN: $!\n"; 26 27# Create output file. 28open OUT,">$file" or die "Can't create $file: $!"; 29 30print "Extracting $file (with variable substitutions)\n"; 31 32# In this section, perl variables will be expanded during extraction. 33# You can use $Config{...} to use Configure variables. 34 35print OUT <<"!GROK!THIS!"; 36$Config{startperl} 37 eval 'exec $Config{perlpath} -S \$0 \${1+"\$@"}' 38 if \$running_under_some_shell; 39!GROK!THIS! 40 41print <<'!NO!SUBS!'; 42 43BEGIN { pop @INC if $INC[-1] eq '.' } 44 45!NO!SUBS! 46 47while (<IN>) { 48 print OUT unless /^package diagnostics/; 49} 50 51close IN; 52 53close OUT or die "Can't close $file: $!"; 54chmod 0755, $file or die "Can't reset permissions for $file: $!\n"; 55exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':'; 56chdir $origdir; 57