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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 | |
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6 | our $VERSION = '6.55_03'; |
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7 | |
8 | require ExtUtils::Liblist; |
9 | require ExtUtils::MakeMaker; |
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10 | our @ISA = qw(ExtUtils::Liblist ExtUtils::MakeMaker); |
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11 | |
12 | =head1 NAME |
13 | |
14 | ExtUtils::MM - OS adjusted ExtUtils::MakeMaker subclass |
15 | |
16 | =head1 SYNOPSIS |
17 | |
18 | require ExtUtils::MM; |
19 | my $mm = MM->new(...); |
20 | |
21 | =head1 DESCRIPTION |
22 | |
23 | B<FOR INTERNAL USE ONLY> |
24 | |
25 | ExtUtils::MM is a subclass of ExtUtils::MakeMaker which automatically |
26 | chooses the appropriate OS specific subclass for you |
27 | (ie. ExtUils::MM_Unix, etc...). |
28 | |
29 | It also provides a convenient alias via the MM class (I didn't want |
30 | MakeMaker modules outside of ExtUtils/). |
31 | |
32 | This class might turn out to be a temporary solution, but MM won't go |
33 | away. |
34 | |
35 | =cut |
36 | |
37 | { |
38 | # Convenient alias. |
39 | package MM; |
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40 | our @ISA = qw(ExtUtils::MM); |
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41 | sub DESTROY {} |
42 | } |
43 | |
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44 | sub _is_win95 { |
45 | # miniperl might not have the Win32 functions available and we need |
46 | # to run in miniperl. |
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47 | my $have_win32 = eval { require Win32 }; |
48 | return $have_win32 && defined &Win32::IsWin95 ? Win32::IsWin95() |
49 | : ! defined $ENV{SYSTEMROOT}; |
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50 | } |
51 | |
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52 | my %Is = (); |
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53 | $Is{VMS} = $^O eq 'VMS'; |
54 | $Is{OS2} = $^O eq 'os2'; |
55 | $Is{MacOS} = $^O eq 'MacOS'; |
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56 | if( $^O eq 'MSWin32' ) { |
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57 | _is_win95() ? $Is{Win95} = 1 : $Is{Win32} = 1; |
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58 | } |
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59 | $Is{UWIN} = $^O =~ /^uwin(-nt)?$/; |
60 | $Is{Cygwin} = $^O eq 'cygwin'; |
61 | $Is{NW5} = $Config{osname} eq 'NetWare'; # intentional |
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62 | $Is{BeOS} = ($^O =~ /beos/i or $^O eq 'haiku'); |
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63 | $Is{DOS} = $^O eq 'dos'; |
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64 | if( $Is{NW5} ) { |
65 | $^O = 'NetWare'; |
66 | delete $Is{Win32}; |
67 | } |
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68 | $Is{VOS} = $^O eq 'vos'; |
69 | $Is{QNX} = $^O eq 'qnx'; |
70 | $Is{AIX} = $^O eq 'aix'; |
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71 | $Is{Darwin} = $^O eq 'darwin'; |
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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"; |
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81 | eval "require $class" unless $INC{"ExtUtils/MM_$OS.pm"}; ## no critic |
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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 | } |