850 lines
16 KiB
Perl
850 lines
16 KiB
Perl
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package alienfile;
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use strict;
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use warnings;
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use Alien::Build;
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use base qw( Exporter );
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use Path::Tiny ();
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use Carp ();
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sub _path { Path::Tiny::path(@_) }
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# ABSTRACT: Specification for defining an external dependency for CPAN
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our $VERSION = '2.26'; # VERSION
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our @EXPORT = qw( requires on plugin probe configure share sys download fetch decode prefer extract patch patch_ffi build build_ffi gather gather_ffi meta_prop ffi log test start_url before after );
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sub requires
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{
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my($module, $version) = @_;
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$version ||= 0;
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my $caller = caller;
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my $meta = $caller->meta;
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$meta->add_requires($meta->{phase}, $module, $version);
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();
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}
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sub plugin
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{
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my($name, @args) = @_;
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my $caller = caller;
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$caller->meta->apply_plugin($name, @args);
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return;
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}
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sub probe
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{
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my($instr) = @_;
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my $caller = caller;
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if(my $phase = $caller->meta->{phase})
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{
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Carp::croak "probe must not be in a $phase block" if $phase ne 'any';
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}
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$caller->meta->register_hook(probe => $instr);
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return;
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}
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sub _phase
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{
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my($code, $phase) = @_;
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my $caller = caller(1);
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my $meta = $caller->meta;
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local $meta->{phase} = $phase;
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$code->();
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return;
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}
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sub configure (&)
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{
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_phase($_[0], 'configure');
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}
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sub sys (&)
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{
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_phase($_[0], 'system');
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}
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sub share (&)
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{
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_phase($_[0], 'share');
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}
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sub _in_phase
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{
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my($phase) = @_;
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my $caller = caller(1);
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my(undef, undef, undef, $sub) = caller(1);
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my $meta = $caller->meta;
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$sub =~ s/^.*:://;
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Carp::croak "$sub must be in a $phase block"
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unless $meta->{phase} eq $phase;
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}
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sub start_url
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{
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my($url) = @_;
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_in_phase 'share';
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my $caller = caller;
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my $meta = $caller->meta;
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$meta->prop->{start_url} = $url;
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$meta->add_requires('configure' => 'Alien::Build' => '1.19');
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return;
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}
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sub download
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{
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my($instr) = @_;
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_in_phase 'share';
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my $caller = caller;
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$caller->meta->register_hook(download => $instr);
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return;
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}
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sub fetch
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{
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my($instr) = @_;
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_in_phase 'share';
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my $caller = caller;
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$caller->meta->register_hook(fetch => $instr);
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return;
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}
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sub decode
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{
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my($instr) = @_;
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_in_phase 'share';
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my $caller = caller;
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$caller->meta->register_hook(decode => $instr);
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return;
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}
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sub prefer
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{
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my($instr) = @_;
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_in_phase 'share';
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my $caller = caller;
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$caller->meta->register_hook(prefer => $instr);
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return;
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}
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sub extract
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{
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my($instr) = @_;
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_in_phase 'share';
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my $caller = caller;
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$caller->meta->register_hook(extract => $instr);
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return;
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}
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sub patch
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{
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my($instr) = @_;
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_in_phase 'share';
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my $caller = caller;
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my $suffix = $caller->meta->{build_suffix};
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$caller->meta->register_hook("patch$suffix" => $instr);
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return;
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}
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sub patch_ffi
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{
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my($instr) = @_;
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Carp::carp("patch_ffi is deprecated, use ffi { patch ... } } instead");
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_in_phase 'share';
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my $caller = caller;
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$caller->meta->register_hook(patch_ffi => $instr);
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return;
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}
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sub build
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{
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my($instr) = @_;
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_in_phase 'share';
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my $caller = caller;
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my $suffix = $caller->meta->{build_suffix};
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$caller->meta->register_hook("build$suffix" => $instr);
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return;
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}
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sub build_ffi
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{
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my($instr) = @_;
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Carp::carp("build_ffi is deprecated, use ffi { build ... } } instead");
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_in_phase 'share';
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my $caller = caller;
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$caller->meta->register_hook(build_ffi => $instr);
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return;
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}
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sub gather
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{
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my($instr) = @_;
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my $caller = caller;
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my $meta = $caller->meta;
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my $phase = $meta->{phase};
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Carp::croak "gather is not allowed in configure block"
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if $phase eq 'configure';
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my $suffix = $caller->meta->{build_suffix};
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if($suffix eq '_ffi')
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{
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$meta->register_hook(gather_ffi => $instr)
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}
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else
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{
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$meta->register_hook(gather_system => $instr) if $phase =~ /^(any|system)$/;
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$meta->register_hook(gather_share => $instr) if $phase =~ /^(any|share)$/;
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}
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return;
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}
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sub gather_ffi
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{
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my($instr) = @_;
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Carp::carp("gather_ffi is deprecated, use ffi { gather ... } } instead");
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_in_phase 'share';
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my $caller = caller;
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$caller->meta->register_hook(gather_ffi => $instr);
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return;
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}
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sub ffi (&)
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{
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my($code) = @_;
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_in_phase 'share';
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my $caller = caller;
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local $caller->meta->{build_suffix} = '_ffi';
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$code->();
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return;
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}
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sub meta_prop
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{
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my $caller = caller;
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my $meta = $caller->meta;
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$meta->prop;
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}
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sub log
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{
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unshift @_, 'Alien::Build';
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goto &Alien::Build::log;
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}
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sub test
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{
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my($instr) = @_;
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my $caller = caller;
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my $meta = $caller->meta;
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my $phase = $meta->{phase};
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Carp::croak "test is not allowed in $phase block"
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if $phase eq 'any' || $phase eq 'configure';
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$meta->add_requires('configure' => 'Alien::Build' => '1.14');
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if($phase eq 'share')
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{
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my $suffix = $caller->meta->{build_suffix} || '_share';
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$meta->register_hook(
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"test$suffix" => $instr,
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);
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}
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elsif($phase eq 'system')
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{
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$meta->register_hook(
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"test_system" => $instr,
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);
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}
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else
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{
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die "unknown phase: $phase";
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}
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}
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my %modifiers = (
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probe => { any => 'probe' },
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download => { share => 'download' },
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fetch => { share => 'fetch' },
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decode => { share => 'fetch' },
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prefer => { share => 'prefer' },
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extract => { share => 'extract' },
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patch => { share => 'patch$' },
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build => { share => 'build$' },
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test => { share => 'test$' },
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# Note: below special case gather_ffi for the ffi block :P
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gather => { share => 'gather_share', system => 'gather_system', any => 'gather_share,gather_system' },
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);
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sub _add_modifier
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{
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my($type, $stage, $sub) = @_;
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my $method = "${type}_hook";
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Carp::croak "No such stage $stage" unless defined $modifiers{$stage};
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Carp::croak "$type $stage argument must be a code reference" unless defined $sub && ref($sub) eq 'CODE';
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my $caller = caller;
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my $meta = $caller->meta;
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Carp::croak "$type $stage is not allowed in sys block" unless defined $modifiers{$stage}->{$meta->{phase}};
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$meta->add_requires('configure' => 'Alien::Build' => '1.40');
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my $suffix = $meta->{build_suffix};
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if($suffix eq '_ffi' && $stage eq 'gather')
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{
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$meta->$method('gather_ffi' => $sub);
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}
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foreach my $hook (
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map { split /,/, $_ } # split on , for when multiple hooks must be attachewd (gather in any)
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map { my $x = $_ ; $x =~ s/\$/$suffix/; $x } # substitute $ at the end for a suffix (_ffi) if any
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$modifiers{$stage}->{$meta->{phase}}) # get the list of modifiers
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{
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$meta->$method($hook => $sub);
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}
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return;
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}
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sub before
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{
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my($stage, $sub) = @_;
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@_ = ('before', @_);
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goto &alienfile::_add_modifier;
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}
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sub after
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{
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my($stage, $sub) = @_;
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@_ = ('after', @_);
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goto &alienfile::_add_modifier;
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}
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sub import
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{
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strict->import;
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warnings->import;
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goto &Exporter::import;
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}
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1;
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__END__
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=pod
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=encoding UTF-8
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=head1 NAME
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alienfile - Specification for defining an external dependency for CPAN
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=head1 VERSION
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version 2.26
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=head1 SYNOPSIS
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Do-it-yourself approach:
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use alienfile;
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probe [ 'pkg-config --exists libarchive' ];
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share {
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start_url 'http://libarchive.org/downloads/libarchive-3.2.2.tar.gz';
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# the first one which succeeds will be used
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download [ 'wget %{.meta.start_url}' ];
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download [ 'curl -o %{.meta.start_url}' ];
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extract [ 'tar xf %{.install.download}' ];
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build [
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# Note: will not work on Windows, better to use Build::Autoconf plugin
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# if you need windows support
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'./configure --prefix=%{.install.prefix} --disable-shared',
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'%{make}',
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'%{make} install',
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];
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}
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gather [
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[ 'pkg-config', '--modversion', 'libarchive', \'%{.runtime.version}' ],
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[ 'pkg-config', '--cflags', 'libarchive', \'%{.runtime.cflags}' ],
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[ 'pkg-config', '--libs', 'libarchive', \'%{.runtime.libs}' ],
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];
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With plugins (better):
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use alienfile;
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plugin 'PkgConfig' => 'libarchive';
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share {
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start_url 'http://libarchive.org/downloads/';
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plugin Download => (
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filter => qr/^libarchive-.*\.tar\.gz$/,
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version => qr/([0-9\.]+)/,
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);
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plugin Extract => 'tar.gz';
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plugin 'Build::Autoconf';
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plugin 'Gather::IsolateDynamic';
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build [
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|
'%{configure}',
|
||
|
|
'%{make}',
|
||
|
|
'%{make} install',
|
||
|
|
];
|
||
|
|
};
|
||
|
|
|
||
|
|
=head1 DESCRIPTION
|
||
|
|
|
||
|
|
An alienfile is a recipe used by L<Alien::Build> to, probe for system libraries or download from the internet, and build source
|
||
|
|
for those libraries. This document acts as reference for the alienfile system, but if you are starting out writing your own Alien
|
||
|
|
you should read L<Alien::Build::Manual::AlienAuthor>, which will teach you how to write your own complete Alien using alienfile +
|
||
|
|
L<Alien::Build> + L<ExtUtils::MakeMaker>. Special attention should be taken to the section "a note about dynamic vs. static
|
||
|
|
libraries".
|
||
|
|
|
||
|
|
=head1 DIRECTIVES
|
||
|
|
|
||
|
|
=head2 requires
|
||
|
|
|
||
|
|
"any" requirement (either share or system):
|
||
|
|
|
||
|
|
requires $module;
|
||
|
|
requires $module => $version;
|
||
|
|
|
||
|
|
configure time requirement:
|
||
|
|
|
||
|
|
configure {
|
||
|
|
requires $module;
|
||
|
|
requires $module => $version;
|
||
|
|
};
|
||
|
|
|
||
|
|
system requirement:
|
||
|
|
|
||
|
|
sys {
|
||
|
|
requires $module;
|
||
|
|
requires $module => $version;
|
||
|
|
};
|
||
|
|
|
||
|
|
share requirement:
|
||
|
|
|
||
|
|
share {
|
||
|
|
requires $module;
|
||
|
|
requires $module => $version;
|
||
|
|
};
|
||
|
|
|
||
|
|
specifies a requirement. L<Alien::Build> takes advantage of dynamic requirements, so only
|
||
|
|
modules that are needed for the specific type of install need to be loaded. Here are the
|
||
|
|
different types of requirements:
|
||
|
|
|
||
|
|
=over
|
||
|
|
|
||
|
|
=item configure
|
||
|
|
|
||
|
|
Configure requirements should already be installed before the alienfile is loaded.
|
||
|
|
|
||
|
|
=item any
|
||
|
|
|
||
|
|
"Any" requirements are those that are needed either for the probe stage, or in either the
|
||
|
|
system or share installs.
|
||
|
|
|
||
|
|
=item share
|
||
|
|
|
||
|
|
Share requirements are those modules needed when downloading and building from source.
|
||
|
|
|
||
|
|
=item system
|
||
|
|
|
||
|
|
System requirements are those modules needed when the system provides the library or tool.
|
||
|
|
|
||
|
|
=back
|
||
|
|
|
||
|
|
=head2 plugin
|
||
|
|
|
||
|
|
plugin $name => (%args);
|
||
|
|
plugin $name => $arg;
|
||
|
|
|
||
|
|
Load the given plugin. If you prefix the plugin name with an C<=> sign,
|
||
|
|
then it will be assumed to be a fully qualified path name. Otherwise the
|
||
|
|
plugin will be assumed to live in the C<Alien::Build::Plugin> namespace.
|
||
|
|
If there is an appropriate negotiate plugin, that one will be loaded.
|
||
|
|
Examples:
|
||
|
|
|
||
|
|
# Loads Alien::Build::Plugin::Fetch::Negotiate
|
||
|
|
# which will pick the best Alien::Build::Plugin::Fetch
|
||
|
|
# plugin based on the URL, and system configuration
|
||
|
|
plugin 'Fetch' => 'http://ftp.gnu.org/gnu/gcc';
|
||
|
|
|
||
|
|
# loads the plugin with the badly named class!
|
||
|
|
plugin '=Badly::Named::Plugin::Not::In::Alien::Build::Namespace';
|
||
|
|
|
||
|
|
# explicitly loads Alien::Build::Plugin::Prefer::SortVersions
|
||
|
|
plugin 'Prefer::SortVersions => (
|
||
|
|
filter => qr/^gcc-.*\.tar\.gz$/,
|
||
|
|
version => qr/([0-9\.]+)/,
|
||
|
|
);
|
||
|
|
|
||
|
|
=head2 probe
|
||
|
|
|
||
|
|
probe \&code;
|
||
|
|
probe \@commandlist;
|
||
|
|
|
||
|
|
Instructions for the probe stage. May be either a
|
||
|
|
code reference, or a command list.
|
||
|
|
|
||
|
|
=head2 configure
|
||
|
|
|
||
|
|
configure {
|
||
|
|
...
|
||
|
|
};
|
||
|
|
|
||
|
|
Configure block. The only directive allowed in a configure block is
|
||
|
|
requires.
|
||
|
|
|
||
|
|
=head2 sys
|
||
|
|
|
||
|
|
sys {
|
||
|
|
...
|
||
|
|
};
|
||
|
|
|
||
|
|
System block. Allowed directives are: requires and gather.
|
||
|
|
|
||
|
|
=head2 share
|
||
|
|
|
||
|
|
share {
|
||
|
|
...
|
||
|
|
};
|
||
|
|
|
||
|
|
System block. Allowed directives are: download, fetch, decode, prefer, extract, build, gather.
|
||
|
|
|
||
|
|
=head2 start_url
|
||
|
|
|
||
|
|
share {
|
||
|
|
start_url $url;
|
||
|
|
};
|
||
|
|
|
||
|
|
Set the start URL for download. This should be the URL to an index page, or the actual tarball of the source.
|
||
|
|
|
||
|
|
=head2 download
|
||
|
|
|
||
|
|
share {
|
||
|
|
download \&code;
|
||
|
|
download \@commandlist;
|
||
|
|
};
|
||
|
|
|
||
|
|
Instructions for the download stage. May be either a
|
||
|
|
code reference, or a command list.
|
||
|
|
|
||
|
|
=head2 fetch
|
||
|
|
|
||
|
|
share {
|
||
|
|
fetch \&code;
|
||
|
|
fetch \@commandlist;
|
||
|
|
};
|
||
|
|
|
||
|
|
Instructions for the fetch stage. May be either a
|
||
|
|
code reference, or a command list.
|
||
|
|
|
||
|
|
=head2 decode
|
||
|
|
|
||
|
|
share {
|
||
|
|
decode \&code;
|
||
|
|
decode \@commandlist;
|
||
|
|
};
|
||
|
|
|
||
|
|
Instructions for the decode stage. May be either a
|
||
|
|
code reference, or a command list.
|
||
|
|
|
||
|
|
=head2 prefer
|
||
|
|
|
||
|
|
share {
|
||
|
|
prefer \&code;
|
||
|
|
prefer \@commandlist;
|
||
|
|
};
|
||
|
|
|
||
|
|
Instructions for the prefer stage. May be either a
|
||
|
|
code reference, or a command list.
|
||
|
|
|
||
|
|
=head2 extract
|
||
|
|
|
||
|
|
share {
|
||
|
|
extract \&code;
|
||
|
|
extract \@commandlist;
|
||
|
|
};
|
||
|
|
|
||
|
|
Instructions for the extract stage. May be either a
|
||
|
|
code reference, or a command list.
|
||
|
|
|
||
|
|
=head2 patch
|
||
|
|
|
||
|
|
share {
|
||
|
|
patch \&code;
|
||
|
|
patch \@commandlist;
|
||
|
|
};
|
||
|
|
|
||
|
|
Instructions for the patch stage. May be either a
|
||
|
|
code reference, or a command list.
|
||
|
|
|
||
|
|
=head2 patch_ffi
|
||
|
|
|
||
|
|
share {
|
||
|
|
patch_ffi \&code;
|
||
|
|
patch_ffi \@commandlist;
|
||
|
|
};
|
||
|
|
|
||
|
|
[DEPRECATED]
|
||
|
|
|
||
|
|
Instructions for the patch_ffi stage. May be either a
|
||
|
|
code reference, or a command list.
|
||
|
|
|
||
|
|
=head2 build
|
||
|
|
|
||
|
|
share {
|
||
|
|
build \&code;
|
||
|
|
build \@commandlist;
|
||
|
|
};
|
||
|
|
|
||
|
|
Instructions for the build stage. May be either a
|
||
|
|
code reference, or a command list.
|
||
|
|
|
||
|
|
=head2 build_ffi
|
||
|
|
|
||
|
|
share {
|
||
|
|
build \&code;
|
||
|
|
build \@commandlist;
|
||
|
|
};
|
||
|
|
|
||
|
|
[DEPRECATED]
|
||
|
|
|
||
|
|
Instructions for the build FFI stage. Builds shared libraries instead of static.
|
||
|
|
This is optional, and is only necessary if a fresh and separate build needs to be
|
||
|
|
done for FFI.
|
||
|
|
|
||
|
|
=head2 gather
|
||
|
|
|
||
|
|
gather \&code;
|
||
|
|
gather \@commandlist;
|
||
|
|
|
||
|
|
share {
|
||
|
|
gather \&code;
|
||
|
|
gather \@commandlist;
|
||
|
|
};
|
||
|
|
|
||
|
|
sys {
|
||
|
|
gather \&code;
|
||
|
|
gather \@commandlist;
|
||
|
|
};
|
||
|
|
|
||
|
|
Instructions for the gather stage. May be either a code reference, or a command list.
|
||
|
|
In the root block of the alienfile it will trigger in both share and system build.
|
||
|
|
In the share or sys block it will only trigger in the corresponding build.
|
||
|
|
|
||
|
|
=head2 gather_ffi
|
||
|
|
|
||
|
|
share {
|
||
|
|
gather_ffi \&code;
|
||
|
|
gather_ffi \@commandlist;
|
||
|
|
}
|
||
|
|
|
||
|
|
[DEPRECATED]
|
||
|
|
|
||
|
|
Gather specific to C<build_ffi>. Not usually necessary.
|
||
|
|
|
||
|
|
=head2 ffi
|
||
|
|
|
||
|
|
share {
|
||
|
|
ffi {
|
||
|
|
patch \&code;
|
||
|
|
patch \@commandlist;
|
||
|
|
build \&code;
|
||
|
|
build \@commandlist;
|
||
|
|
gather \&code;
|
||
|
|
gather \@commandlist;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Specify patch, build or gather stages related to FFI.
|
||
|
|
|
||
|
|
=head2 meta_prop
|
||
|
|
|
||
|
|
my $hash = meta_prop;
|
||
|
|
|
||
|
|
Get the meta_prop hash reference.
|
||
|
|
|
||
|
|
=head2 meta
|
||
|
|
|
||
|
|
my $meta = meta;
|
||
|
|
|
||
|
|
Returns the meta object for your L<alienfile>.
|
||
|
|
|
||
|
|
=head2 log
|
||
|
|
|
||
|
|
log($message);
|
||
|
|
|
||
|
|
Prints the given log to stdout.
|
||
|
|
|
||
|
|
=head2 test
|
||
|
|
|
||
|
|
share {
|
||
|
|
test \&code;
|
||
|
|
test \@commandlist;
|
||
|
|
};
|
||
|
|
sys {
|
||
|
|
test \&code;
|
||
|
|
test \@commandlist;
|
||
|
|
};
|
||
|
|
|
||
|
|
Run the tests
|
||
|
|
|
||
|
|
=head2 before
|
||
|
|
|
||
|
|
before $stage => \&code;
|
||
|
|
|
||
|
|
Execute the given code before the given stage. Stage should be one of
|
||
|
|
C<probe>, C<download>, C<fetch>, C<decode>, C<prefer>, C<extract>,
|
||
|
|
C<patch>, C<build>, C<test>, and C<gather>.
|
||
|
|
|
||
|
|
The before directive is only legal in the same blocks as the stage would
|
||
|
|
normally be legal in. For example, you can't do this:
|
||
|
|
|
||
|
|
use alienfile;
|
||
|
|
|
||
|
|
sys {
|
||
|
|
before 'build' => sub {
|
||
|
|
...
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
Because a C<build> wouldn't be legal inside a C<sys> block.
|
||
|
|
|
||
|
|
=head2 after
|
||
|
|
|
||
|
|
after $stage => \&code;
|
||
|
|
|
||
|
|
Execute the given code after the given stage. Stage should be one of
|
||
|
|
C<probe>, C<download>, C<fetch>, C<decode>, C<prefer>, C<extract>,
|
||
|
|
C<patch>, C<build>, C<test>, and C<gather>.
|
||
|
|
|
||
|
|
The after directive is only legal in the same blocks as the stage would
|
||
|
|
normally be legal in. For example, you can't do this:
|
||
|
|
|
||
|
|
use alienfile;
|
||
|
|
|
||
|
|
sys {
|
||
|
|
after 'build' => sub {
|
||
|
|
...
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
Because a C<build> wouldn't be legal inside a C<sys> block.
|
||
|
|
|
||
|
|
=head1 SEE ALSO
|
||
|
|
|
||
|
|
=over 4
|
||
|
|
|
||
|
|
=item L<Alien>
|
||
|
|
|
||
|
|
=item L<Alien::Build>
|
||
|
|
|
||
|
|
=item L<Alien::Build::MM>
|
||
|
|
|
||
|
|
=item L<Alien::Base>
|
||
|
|
|
||
|
|
=back
|
||
|
|
|
||
|
|
=head1 AUTHOR
|
||
|
|
|
||
|
|
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
|
||
|
|
|
||
|
|
Contributors:
|
||
|
|
|
||
|
|
Diab Jerius (DJERIUS)
|
||
|
|
|
||
|
|
Roy Storey (KIWIROY)
|
||
|
|
|
||
|
|
Ilya Pavlov
|
||
|
|
|
||
|
|
David Mertens (run4flat)
|
||
|
|
|
||
|
|
Mark Nunberg (mordy, mnunberg)
|
||
|
|
|
||
|
|
Christian Walde (Mithaldu)
|
||
|
|
|
||
|
|
Brian Wightman (MidLifeXis)
|
||
|
|
|
||
|
|
Zaki Mughal (zmughal)
|
||
|
|
|
||
|
|
mohawk (mohawk2, ETJ)
|
||
|
|
|
||
|
|
Vikas N Kumar (vikasnkumar)
|
||
|
|
|
||
|
|
Flavio Poletti (polettix)
|
||
|
|
|
||
|
|
Salvador Fandiño (salva)
|
||
|
|
|
||
|
|
Gianni Ceccarelli (dakkar)
|
||
|
|
|
||
|
|
Pavel Shaydo (zwon, trinitum)
|
||
|
|
|
||
|
|
Kang-min Liu (劉康民, gugod)
|
||
|
|
|
||
|
|
Nicholas Shipp (nshp)
|
||
|
|
|
||
|
|
Juan Julián Merelo Guervós (JJ)
|
||
|
|
|
||
|
|
Joel Berger (JBERGER)
|
||
|
|
|
||
|
|
Petr Pisar (ppisar)
|
||
|
|
|
||
|
|
Lance Wicks (LANCEW)
|
||
|
|
|
||
|
|
Ahmad Fatoum (a3f, ATHREEF)
|
||
|
|
|
||
|
|
José Joaquín Atria (JJATRIA)
|
||
|
|
|
||
|
|
Duke Leto (LETO)
|
||
|
|
|
||
|
|
Shoichi Kaji (SKAJI)
|
||
|
|
|
||
|
|
Shawn Laffan (SLAFFAN)
|
||
|
|
|
||
|
|
Paul Evans (leonerd, PEVANS)
|
||
|
|
|
||
|
|
=head1 COPYRIGHT AND LICENSE
|
||
|
|
|
||
|
|
This software is copyright (c) 2011-2020 by Graham Ollis.
|
||
|
|
|
||
|
|
This is free software; you can redistribute it and/or modify it under
|
||
|
|
the same terms as the Perl 5 programming language system itself.
|
||
|
|
|
||
|
|
=cut
|