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package ExtUtils::LibBuilder; |
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use warnings; |
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use strict; |
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our $VERSION = '0.07'; |
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our $DEBUG = 0; |
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use base 'ExtUtils::CBuilder'; |
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use File::Spec; |
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use File::Temp qw/tempdir/; |
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=head1 NAME |
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ExtUtils::LibBuilder - A tool to build C libraries. |
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=head1 SYNOPSIS |
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use ExtUtils::LibBuilder; |
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my $libbuilder = ExtUtils::LibBuilder->new( %options ); |
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=head1 METHODS |
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Supports all the method from ExtUtils::CBuilder. The following three |
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methods were adapted to be used in standalone C libraries. |
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=head2 new |
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This method creates a new ExtUtils::LibBuilder object. While it |
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supports all C methods some might work slightly |
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differently (namely the two bellow). |
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You can supply to the constructor any option recognized by |
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C constructor. None of them will be used by |
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C. |
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=head2 link |
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$libbuilder -> link( objects => [ "foo.o", "bar.o" ], |
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module_name => "foobar", |
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lib_file => "libfoobar$libbuilder->{libext}"); |
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Options to the link method are the same as the C |
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counterpart. Note that the result is a standalone C Library and not a |
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bundle to be loaded by Perl. |
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Also, note that you can use the C key to retrieve from the |
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object the common library extension on the running system (including |
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the dot). |
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=head2 link_executable |
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$libbuilder->link_executable( objects => ["main.o"], |
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extra_linker_flags => "-L. -lfoobar", |
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exe_file => "foobarcmd$libbuilder->{exeext}"); |
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The C needs, as C options, the |
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name of the library and the search path. Future versions might include |
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better handling on the library files. |
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Also, note that you can use the C key to retrieve from the |
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object the common executable extension on the running system |
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(including the dot). |
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66
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=cut |
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68
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sub new { |
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1
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1
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1
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my $class = shift; |
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1
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3
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my %options = @_; |
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72
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1
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20
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my $self = bless ExtUtils::CBuilder->new(%options) => $class; |
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# $self->{quiet} = 1; |
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1
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38827
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$self->{libext} = $^O eq "darwin" ? ".dylib" : ( $^O =~ /win/i ? ".dll" : ".so"); |
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76
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1
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7
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$self->{exeext} = $^O =~ /win32/i ? ".exe" : ""; |
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78
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1
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5
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$DEBUG && print STDERR "\nTesting Linux\n\n"; |
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1
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50
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33
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16
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return $self if $^O !~ /darwin|win32/i && $self->_try; |
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0
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0
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$DEBUG && print STDERR "\nTesting Darwin\n\n"; |
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$self->{config}{lddlflags} =~ s/-bundle/-dynamiclib/; |
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0
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return $self if $^O !~ /win32/i && $self->_try; |
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85
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0
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0
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$DEBUG && print STDERR "\nTesting Win32\n\n"; |
86
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*link = sub { |
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0
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0
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0
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my ($self, %options) = @_; |
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0
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0
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my $LD = $self->{config}{ld}; |
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0
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0
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0
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$options{objects} = [$options{objects}] unless ref $options{objects}; |
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system($LD, "-shared", "-o", |
91
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$options{lib_file}, |
92
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0
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0
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@{$options{objects}}); |
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0
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93
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0
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0
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}; |
94
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*link_executable = sub { |
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0
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0
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0
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my ($self, %options) = @_; |
96
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0
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0
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my $LD = $self->{config}{ld}; |
97
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0
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0
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my @CFLAGS = split /\s+/, $options{extra_linker_flags}; |
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0
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0
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0
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$options{objects} = [$options{objects}] unless ref $options{objects}; |
99
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system($LD, "-o", |
100
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$options{exe_file}, |
101
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@CFLAGS, |
102
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0
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0
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@{$options{objects}}); |
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0
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0
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103
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0
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0
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}; |
104
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0
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0
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0
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return $self if $self->_try; |
105
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106
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0
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0
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0
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$DEBUG && print STDERR "\nNothing...\n\n"; |
107
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0
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0
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return undef; |
108
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} |
109
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110
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sub _try { |
111
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1
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1
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2
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my ($self) = @_; |
112
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1
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11
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my $tmp = tempdir CLEANUP => 1; |
113
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1
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6421
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_write_files($tmp); |
114
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115
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1
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2
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my @csources = map { File::Spec->catfile($tmp, $_) } qw'library.c test.c'; |
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19
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116
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1
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4
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my @cobjects = map { $self->compile( source => $_) } @csources; |
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2
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51065
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117
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118
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1
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58151
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my $libfile = File::Spec->catfile($tmp => "libfoo$self->{libext}"); |
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1
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21
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my $exefile = File::Spec->catfile($tmp => "foo$self->{exeext}"); |
120
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121
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1
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32
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$self->link( objects => [$cobjects[0]], |
122
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module_name => "foo", |
123
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lib_file => $libfile ); |
124
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125
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1
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50
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45441
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return 0 unless -f $libfile; |
126
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127
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1
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57
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$self->link_executable( exe_file => $exefile, |
128
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extra_linker_flags => "-L$tmp -lfoo", |
129
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objects => [$cobjects[1]]); |
130
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131
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1
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50
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33
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46879
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return 0 unless -f $exefile && -x _; |
132
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1
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39
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return 1; |
133
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} |
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135
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=head1 AUTHOR |
136
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137
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Alberto Simoes, C<< >> |
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139
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=head1 BUGS |
140
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141
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Please report any bugs or feature requests to |
142
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C, or through the web |
143
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interface at |
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L. |
145
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I will be notified, and then you'll automatically be notified of |
146
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progress on your bug as I make changes. |
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148
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149
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150
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151
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=head1 SUPPORT |
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153
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You can find documentation for this module with the perldoc command. |
154
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155
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perldoc ExtUtils::LibBuilder |
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157
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158
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You can also look for information at: |
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160
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=over 4 |
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162
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=item * RT: CPAN's request tracker |
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164
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L |
165
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166
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=item * AnnoCPAN: Annotated CPAN documentation |
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168
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L |
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170
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=item * CPAN Ratings |
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172
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L |
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174
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=item * Search CPAN |
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L |
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178
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=back |
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180
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=head1 LICENSE AND COPYRIGHT |
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182
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Copyright 2010 Alberto Simoes. |
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184
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This program is free software; you can redistribute it and/or modify it |
185
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under the terms of either: the GNU General Public License as published |
186
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by the Free Software Foundation; or the Artistic License. |
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188
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See http://dev.perl.org/licenses/ for more information. |
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190
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191
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=cut |
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193
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194
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sub _write_files { |
195
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1
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1
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3
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my $outpath = shift; |
196
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1
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3
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my $fh; |
197
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1
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9
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seek DATA, 0, 0; |
198
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1
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38
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while() { |
199
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226
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100
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819
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if (m!^==\[(.*?)\]==!) { |
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100
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200
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2
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7
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my $fname = $1; |
201
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2
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23
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$fname = File::Spec->catfile($outpath, $fname); |
202
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2
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50
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189
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open $fh, ">$fname" or die "Can't create temporary file $fname\n"; |
203
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} elsif ($fh) { |
204
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12
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70
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print $fh $_; |
205
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} |
206
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} |
207
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} |
208
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209
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1; # End of ExtUtils::LibBuilder |
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211
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212
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__DATA__ |