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https://github.com/openssl/openssl.git
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117 lines
4.3 KiB
Perl
117 lines
4.3 KiB
Perl
{- # -*- Mode: perl -*-
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my $a;
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# resolvedepends and reducedepends work in tandem to make sure
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# there are no duplicate dependencies and that they are in the
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# right order. This is especially used to sort the list of
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# libraries that a build depends on.
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sub resolvedepends {
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my $thing = shift;
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my @listsofar = @_; # to check if we're looping
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my @list = @{$unified_info{depends}->{$thing}};
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my @newlist = ();
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if (scalar @list) {
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foreach my $item (@list) {
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# It's time to break off when the dependency list starts looping
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next if grep { $_ eq $item } @listsofar;
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push @newlist, $item, resolvedepends($item, @listsofar, $item);
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}
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}
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@newlist;
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}
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sub reducedepends {
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my @list = @_;
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my @newlist = ();
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while (@list) {
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my $item = shift @list;
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push @newlist, $item
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unless grep { $item eq $_ } @list;
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}
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@newlist;
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}
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# doobj is responsible for producing all the recipes that build
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# object files as well as dependency files.
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sub doobj {
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my $obj = shift;
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(my $obj_no_o = $obj) =~ s|\.o$||;
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my $bin = shift;
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my %opts = @_;
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if (@{$unified_info{sources}->{$obj}}) {
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$OUT .= src2obj(obj => $obj_no_o,
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srcs => $unified_info{sources}->{$obj},
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deps => [ reducedepends(resolvedepends($obj)) ],
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incs => [ @{$unified_info{includes}->{$bin}},
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@{$unified_info{includes}->{$obj}} ],
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%opts);
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}
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}
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# dolib is responsible for building libraries. It will call
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# libobj2shlib is shared libraries are produced, and obj2lib in all
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# cases. It also makes sure all object files for the library are
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# built.
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sub dolib {
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my $lib = shift;
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unless ($disabled{shared}) {
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my %ordinals =
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$unified_info{ordinals}->{$lib}
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? (ordinals => $unified_info{ordinals}->{$lib}) : ();
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$OUT .= libobj2shlib(shlib => $unified_info{sharednames}->{$lib},
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lib => $lib,
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objs => [ map { (my $x = $_) =~ s|\.o$||; $x }
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@{$unified_info{sources}->{$lib}} ],
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deps => [ reducedepends(resolvedepends($lib)) ],
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%ordinals);
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}
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$OUT .= obj2lib(lib => $lib,
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objs => [ map { (my $x = $_) =~ s|\.o$||; $x }
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@{$unified_info{sources}->{$lib}} ]);
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map { doobj($_, $lib, intent => "lib") } @{$unified_info{sources}->{$lib}};
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}
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# doengine is responsible for building engines. It will call
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# obj2dso, and also makes sure all object files for the library
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# are built.
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sub doengine {
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my $lib = shift;
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$OUT .= obj2dso(lib => $lib,
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objs => [ map { (my $x = $_) =~ s|\.o$||; $x }
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@{$unified_info{sources}->{$lib}} ],
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deps => [ resolvedepends($lib) ]);
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map { doobj($_, $lib, intent => "dso") } @{$unified_info{sources}->{$lib}};
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}
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# dobin is responsible for building programs. It will call obj2bin,
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# and also makes sure all object files for the library are built.
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sub dobin {
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my $bin = shift;
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my $deps = [ reducedepends(resolvedepends($bin)) ];
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$OUT .= obj2bin(bin => $bin,
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objs => [ map { (my $x = $_) =~ s|\.o$||; $x }
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@{$unified_info{sources}->{$bin}} ],
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deps => $deps);
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map { doobj($_, $bin, intent => "bin") } @{$unified_info{sources}->{$bin}};
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}
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# dobin is responsible for building scripts from templates. It will
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# call in2script.
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sub doscript {
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my $script = shift;
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$OUT .= in2script(script => $script,
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sources => $unified_info{sources}->{$script});
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}
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# Build all known libraries, engines, programs and scripts.
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# Everything else will be handled as a consequence.
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map { dolib($_) } @{$unified_info{libraries}};
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map { doengine($_) } @{$unified_info{engines}};
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map { dobin($_) } @{$unified_info{programs}};
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map { doscript($_) } @{$unified_info{scripts}};
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# Finally, should there be any applicable BEGINRAW/ENDRAW sections,
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# they are added here.
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$OUT .= $_."\n" foreach(@{$unified_info{rawlines}});
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-}
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