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1 | package ExtUtils::MM; |
2 | |
3 | use strict; |
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4 | use ExtUtils::MakeMaker::Config; |
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5 | use vars qw(@ISA $VERSION); |
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6 | $VERSION = '6.42'; |
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7 | |
8 | require ExtUtils::Liblist; |
9 | require ExtUtils::MakeMaker; |
10 | |
11 | @ISA = qw(ExtUtils::Liblist ExtUtils::MakeMaker); |
12 | |
13 | =head1 NAME |
14 | |
15 | ExtUtils::MM - OS adjusted ExtUtils::MakeMaker subclass |
16 | |
17 | =head1 SYNOPSIS |
18 | |
19 | require ExtUtils::MM; |
20 | my $mm = MM->new(...); |
21 | |
22 | =head1 DESCRIPTION |
23 | |
24 | B<FOR INTERNAL USE ONLY> |
25 | |
26 | ExtUtils::MM is a subclass of ExtUtils::MakeMaker which automatically |
27 | chooses the appropriate OS specific subclass for you |
28 | (ie. ExtUils::MM_Unix, etc...). |
29 | |
30 | It also provides a convenient alias via the MM class (I didn't want |
31 | MakeMaker modules outside of ExtUtils/). |
32 | |
33 | This class might turn out to be a temporary solution, but MM won't go |
34 | away. |
35 | |
36 | =cut |
37 | |
38 | { |
39 | # Convenient alias. |
40 | package MM; |
41 | use vars qw(@ISA); |
42 | @ISA = qw(ExtUtils::MM); |
43 | sub DESTROY {} |
44 | } |
45 | |
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46 | sub _is_win95 { |
47 | # miniperl might not have the Win32 functions available and we need |
48 | # to run in miniperl. |
49 | return defined &Win32::IsWin95 ? Win32::IsWin95() |
50 | : ! defined $ENV{SYSTEMROOT}; |
51 | } |
52 | |
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53 | my %Is = (); |
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54 | $Is{VMS} = $^O eq 'VMS'; |
55 | $Is{OS2} = $^O eq 'os2'; |
56 | $Is{MacOS} = $^O eq 'MacOS'; |
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57 | if( $^O eq 'MSWin32' ) { |
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58 | _is_win95() ? $Is{Win95} = 1 : $Is{Win32} = 1; |
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59 | } |
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60 | $Is{UWIN} = $^O =~ /^uwin(-nt)?$/; |
61 | $Is{Cygwin} = $^O eq 'cygwin'; |
62 | $Is{NW5} = $Config{osname} eq 'NetWare'; # intentional |
63 | $Is{BeOS} = $^O =~ /beos/i; # XXX should this be that loose? |
64 | $Is{DOS} = $^O eq 'dos'; |
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65 | if( $Is{NW5} ) { |
66 | $^O = 'NetWare'; |
67 | delete $Is{Win32}; |
68 | } |
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69 | $Is{VOS} = $^O eq 'vos'; |
70 | $Is{QNX} = $^O eq 'qnx'; |
71 | $Is{AIX} = $^O eq 'aix'; |
72 | |
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73 | $Is{Unix} = !grep { $_ } values %Is; |
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74 | |
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75 | map { delete $Is{$_} unless $Is{$_} } keys %Is; |
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76 | _assert( keys %Is == 1 ); |
77 | my($OS) = keys %Is; |
78 | |
79 | |
80 | my $class = "ExtUtils::MM_$OS"; |
81 | eval "require $class" unless $INC{"ExtUtils/MM_$OS.pm"}; |
82 | die $@ if $@; |
83 | unshift @ISA, $class; |
84 | |
85 | |
86 | sub _assert { |
87 | my $sanity = shift; |
88 | die sprintf "Assert failed at %s line %d\n", (caller)[1,2] unless $sanity; |
89 | return; |
90 | } |