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package ExtUtils::MM; |
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use strict; |
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use Config; |
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use vars qw(@ISA $VERSION); |
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$VERSION = 0.04; |
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require ExtUtils::Liblist; |
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require ExtUtils::MakeMaker; |
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@ISA = qw(ExtUtils::Liblist ExtUtils::MakeMaker); |
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=head1 NAME |
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ExtUtils::MM - OS adjusted ExtUtils::MakeMaker subclass |
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=head1 SYNOPSIS |
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require ExtUtils::MM; |
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my $mm = MM->new(...); |
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=head1 DESCRIPTION |
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B<FOR INTERNAL USE ONLY> |
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ExtUtils::MM is a subclass of ExtUtils::MakeMaker which automatically |
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chooses the appropriate OS specific subclass for you |
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(ie. ExtUils::MM_Unix, etc...). |
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It also provides a convenient alias via the MM class (I didn't want |
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MakeMaker modules outside of ExtUtils/). |
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This class might turn out to be a temporary solution, but MM won't go |
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away. |
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=cut |
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{ |
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# Convenient alias. |
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package MM; |
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use vars qw(@ISA); |
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@ISA = qw(ExtUtils::MM); |
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sub DESTROY {} |
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} |
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my %Is = (); |
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$Is{VMS} = 1 if $^O eq 'VMS'; |
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$Is{OS2} = 1 if $^O eq 'os2'; |
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$Is{MacOS} = 1 if $^O eq 'MacOS'; |
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if( $^O eq 'MSWin32' ) { |
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Win32::IsWin95() ? $Is{Win95} = 1 : $Is{Win32} = 1; |
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} |
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$Is{UWIN} = 1 if $^O eq 'uwin'; |
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$Is{Cygwin} = 1 if $^O eq 'cygwin'; |
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$Is{NW5} = 1 if $Config{osname} eq 'NetWare'; # intentional |
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$Is{BeOS} = 1 if $^O =~ /beos/i; # XXX should this be that loose? |
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$Is{DOS} = 1 if $^O eq 'dos'; |
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$Is{Unix} = 1 if !keys %Is; |
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if( $Is{NW5} ) { |
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$^O = 'NetWare'; |
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delete $Is{Win32}; |
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} |
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_assert( keys %Is == 1 ); |
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my($OS) = keys %Is; |
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my $class = "ExtUtils::MM_$OS"; |
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eval "require $class" unless $INC{"ExtUtils/MM_$OS.pm"}; |
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die $@ if $@; |
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unshift @ISA, $class; |
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sub _assert { |
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my $sanity = shift; |
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die sprintf "Assert failed at %s line %d\n", (caller)[1,2] unless $sanity; |
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return; |
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} |
