mirror of
https://github.com/openssl/openssl.git
synced 2024-11-27 05:21:51 +08:00
b23238f9aa
We don't want recipes for the same files generated more than once Reviewed-by: Rich Salz <rsalz@openssl.org>
128 lines
4.6 KiB
Perl
128 lines
4.6 KiB
Perl
{- # -*- Mode: perl -*-
|
|
|
|
# A cache of objects for which a recipe has already been generated
|
|
my %cache;
|
|
|
|
# resolvedepends and reducedepends work in tandem to make sure
|
|
# there are no duplicate dependencies and that they are in the
|
|
# right order. This is especially used to sort the list of
|
|
# libraries that a build depends on.
|
|
sub resolvedepends {
|
|
my $thing = shift;
|
|
my @listsofar = @_; # to check if we're looping
|
|
my @list = @{$unified_info{depends}->{$thing}};
|
|
my @newlist = ();
|
|
if (scalar @list) {
|
|
foreach my $item (@list) {
|
|
# It's time to break off when the dependency list starts looping
|
|
next if grep { $_ eq $item } @listsofar;
|
|
push @newlist, $item, resolvedepends($item, @listsofar, $item);
|
|
}
|
|
}
|
|
@newlist;
|
|
}
|
|
sub reducedepends {
|
|
my @list = @_;
|
|
my @newlist = ();
|
|
while (@list) {
|
|
my $item = shift @list;
|
|
push @newlist, $item
|
|
unless grep { $item eq $_ } @list;
|
|
}
|
|
@newlist;
|
|
}
|
|
|
|
# doobj is responsible for producing all the recipes that build
|
|
# object files as well as dependency files.
|
|
sub doobj {
|
|
my $obj = shift;
|
|
return "" if $cache{$obj};
|
|
(my $obj_no_o = $obj) =~ s|\.o$||;
|
|
my $bin = shift;
|
|
my %opts = @_;
|
|
if (@{$unified_info{sources}->{$obj}}) {
|
|
$OUT .= src2obj(obj => $obj_no_o,
|
|
srcs => $unified_info{sources}->{$obj},
|
|
deps => [ reducedepends(resolvedepends($obj)) ],
|
|
incs => [ @{$unified_info{includes}->{$bin}},
|
|
@{$unified_info{includes}->{$obj}} ],
|
|
%opts);
|
|
}
|
|
$cache{$obj} = 1;
|
|
}
|
|
|
|
# dolib is responsible for building libraries. It will call
|
|
# libobj2shlib is shared libraries are produced, and obj2lib in all
|
|
# cases. It also makes sure all object files for the library are
|
|
# built.
|
|
sub dolib {
|
|
my $lib = shift;
|
|
return "" if $cache{$lib};
|
|
unless ($disabled{shared}) {
|
|
my %ordinals =
|
|
$unified_info{ordinals}->{$lib}
|
|
? (ordinals => $unified_info{ordinals}->{$lib}) : ();
|
|
$OUT .= libobj2shlib(shlib => $unified_info{sharednames}->{$lib},
|
|
lib => $lib,
|
|
objs => [ map { (my $x = $_) =~ s|\.o$||; $x }
|
|
@{$unified_info{sources}->{$lib}} ],
|
|
deps => [ reducedepends(resolvedepends($lib)) ],
|
|
%ordinals);
|
|
}
|
|
$OUT .= obj2lib(lib => $lib,
|
|
objs => [ map { (my $x = $_) =~ s|\.o$||; $x }
|
|
@{$unified_info{sources}->{$lib}} ]);
|
|
map { doobj($_, $lib, intent => "lib") } @{$unified_info{sources}->{$lib}};
|
|
$cache{$lib} = 1;
|
|
}
|
|
|
|
# doengine is responsible for building engines. It will call
|
|
# obj2dso, and also makes sure all object files for the library
|
|
# are built.
|
|
sub doengine {
|
|
my $lib = shift;
|
|
return "" if $cache{$lib};
|
|
$OUT .= obj2dso(lib => $lib,
|
|
objs => [ map { (my $x = $_) =~ s|\.o$||; $x }
|
|
@{$unified_info{sources}->{$lib}} ],
|
|
deps => [ resolvedepends($lib) ]);
|
|
map { doobj($_, $lib, intent => "dso") } @{$unified_info{sources}->{$lib}};
|
|
$cache{$lib} = 1;
|
|
}
|
|
|
|
# dobin is responsible for building programs. It will call obj2bin,
|
|
# and also makes sure all object files for the library are built.
|
|
sub dobin {
|
|
my $bin = shift;
|
|
return "" if $cache{$bin};
|
|
my $deps = [ reducedepends(resolvedepends($bin)) ];
|
|
$OUT .= obj2bin(bin => $bin,
|
|
objs => [ map { (my $x = $_) =~ s|\.o$||; $x }
|
|
@{$unified_info{sources}->{$bin}} ],
|
|
deps => $deps);
|
|
map { doobj($_, $bin, intent => "bin") } @{$unified_info{sources}->{$bin}};
|
|
$cache{$bin} = 1;
|
|
}
|
|
|
|
# dobin is responsible for building scripts from templates. It will
|
|
# call in2script.
|
|
sub doscript {
|
|
my $script = shift;
|
|
return "" if $cache{$script};
|
|
$OUT .= in2script(script => $script,
|
|
sources => $unified_info{sources}->{$script});
|
|
$cache{$script} = 1;
|
|
}
|
|
|
|
# Build all known libraries, engines, programs and scripts.
|
|
# Everything else will be handled as a consequence.
|
|
map { dolib($_) } @{$unified_info{libraries}};
|
|
map { doengine($_) } @{$unified_info{engines}};
|
|
map { dobin($_) } @{$unified_info{programs}};
|
|
map { doscript($_) } @{$unified_info{scripts}};
|
|
|
|
# Finally, should there be any applicable BEGINRAW/ENDRAW sections,
|
|
# they are added here.
|
|
$OUT .= $_."\n" foreach(@{$unified_info{rawlines}});
|
|
-}
|