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7020f1e9e2
-g and -x take optional arguments, just like their long options. * build-aux/cross-options.pl: Use /x to make the regexp easier to understand. Fix the handling of $opt which resulted in all the argument to be considered as optional.
38 lines
823 B
Perl
Executable File
38 lines
823 B
Perl
Executable File
#! /usr/bin/env perl
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use warnings;
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use 5.005;
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use strict;
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my %option;
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while (<>)
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{
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if (/^\s* # Initial spaces.
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(?:(-\w),\s+)? # $1: Possible short option.
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(--[-\w]+) # $2: Long option.
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(\[?) # $3: '[' iff the argument is optional.
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(?:=([-\w]+))? # $4: Possible argument name.
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/x)
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{
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my ($short, $long, $opt, $arg) = ($1, $2, $3, $4);
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$short = defined $short ? '@option{' . $short . '}' : '';
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if ($arg)
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{
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$arg =~ s/^=//;
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$arg = '@var{' . lc ($arg) . '}';
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$arg = '[' . $arg . ']'
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if $opt eq '[';
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$option{"$long=$arg"} = $short ? "$short $arg" : '';
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}
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else
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{
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$option{"$long"} = "$short";
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}
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}
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}
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foreach my $long (sort keys %option)
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{
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printf "\@item %-40s \@tab %s\n", '@option{' . $long . '}', $option{$long};
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}
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