62 lines
1.7 KiB
Perl
62 lines
1.7 KiB
Perl
#!/usr/local/bin/perl
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# This is for generating the perldoc executable.
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# It may eventually be expanded to generate many executables, as
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# explained in the preface of /Programming Perl/ 3e.
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require 5;
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use strict;
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use Config;
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use File::Basename qw(&basename &dirname);
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use Cwd;
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# List explicitly here the variables you want Configure to
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# generate. Metaconfig only looks for shell variables, so you
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# have to mention them as if they were shell variables, not
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# %Config entries. Thus you write
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# $startperl
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# to ensure Configure will look for $Config{startperl}.
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# This forces PL files to create target in same directory as PL file.
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# This is so that make depend always knows where to find PL derivatives.
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my $origdir = cwd;
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chdir dirname($0);
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my $file = basename($0, '.PL');
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my $file_shortname = $file; # should be like "perldoc", maybe "perlsyn", etc.
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warn "How odd, I'm going to generate $file_shortname?!"
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unless $file_shortname =~ m/^\w+$/;
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$file .= '.com' if $^O eq 'VMS';
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open OUT, ">", $file or die "Can't create $file: $!";
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print "Extracting \"$file\" (with variable substitutions)\n";
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# In this section, perl variables will be expanded during extraction.
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# You can use $Config{...} to use Configure variables.
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print OUT <<"!GROK!THIS!";
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$Config{startperl}
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eval 'exec $Config{perlpath} -S \$0 \${1+"\$@"}'
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if 0;
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# This "$file" file was generated by "$0"
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require 5;
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BEGIN {
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\$^W = 1 if \$ENV{'PERLDOCDEBUG'};
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pop \@INC if \$INC[-1] eq '.';
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}
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use Pod::Perldoc;
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exit( Pod::Perldoc->run() );
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!GROK!THIS!
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close OUT or die "Can't close $file: $!";
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chmod 0755, $file or die "Can't reset permissions for $file: $!\n";
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exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':';
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chdir $origdir;
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