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Diffstat (limited to 'utils/splain.PL')
-rw-r--r-- | utils/splain.PL | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/utils/splain.PL b/utils/splain.PL new file mode 100644 index 0000000000..75b5e2f3f6 --- /dev/null +++ b/utils/splain.PL @@ -0,0 +1,46 @@ +#!/usr/local/bin/perl + +use Config; +use File::Basename qw(&basename &dirname); + +# 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: +# $startperl +# $perlpath +# $eunicefix + +# 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. +chdir dirname($0); +$file = basename($0, '.PL'); +$file .= '.com' if $^O eq 'VMS'; + +# Open input file before creating output file. +$IN = '../lib/diagnostics.pm'; +open IN or die "Can't open $IN: $!\n"; + +# Create output file. +open OUT,">$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! + +while (<IN>) { + print OUT unless /^package diagnostics/; +} + +close IN; + +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 ':'; |