{- # -*- Mode: perl -*-
- my $a;
+ use File::Basename;
+
+ # 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 extensionlesslib {
+ my @result = map { $_ =~ /(\.a)?$/; $` } @_;
+ return @result if wantarray;
+ return $result[0];
+ }
sub resolvedepends {
my $thing = shift;
+ my $extensionlessthing = extensionlesslib($thing);
my @listsofar = @_; # to check if we're looping
- my @list = @{$unified_info{depends}->{$thing}};
+ my @list = @{$unified_info{depends}->{$thing} //
+ $unified_info{depends}->{$extensionlessthing}};
my @newlist = ();
if (scalar @list) {
foreach my $item (@list) {
+ my $extensionlessitem = extensionlesslib($item);
# It's time to break off when the dependency list starts looping
- next if grep { $_ eq $item } @listsofar;
+ next if grep { extensionlesslib($_) eq $extensionlessitem } @listsofar;
push @newlist, $item, resolvedepends($item, @listsofar, $item);
}
}
sub reducedepends {
my @list = @_;
my @newlist = ();
+ my %replace = ();
while (@list) {
my $item = shift @list;
- push @newlist, $item
- unless grep { $item eq $_ } @list;
+ my $extensionlessitem = extensionlesslib($item);
+ if (grep { $extensionlessitem eq extensionlesslib($_) } @list) {
+ if ($item ne $extensionlessitem) {
+ # If this instance of the library is explicitly static, we
+ # prefer that to any shared library name, since it must have
+ # been done on purpose.
+ $replace{$extensionlessitem} = $item;
+ }
+ } else {
+ push @newlist, $item;
+ }
}
- @newlist;
+ map { $replace{$_} // $_; } @newlist;
+ }
+
+ # is_installed checks if a given file will be installed (i.e. they are
+ # not defined _NO_INST in build.info)
+ sub is_installed {
+ my $product = shift;
+ if (grep { $product eq $_ }
+ map { (@{$unified_info{install}->{$_}}) }
+ keys %{$unified_info{install}}) {
+ return 1;
+ }
+ return 0;
+ }
+
+ # dogenerate is responsible for producing all the recipes that build
+ # generated source files. It recurses in case a dependency is also a
+ # generated source file.
+ sub dogenerate {
+ my $src = shift;
+ return "" if $cache{$src};
+ my $obj = shift;
+ my $bin = shift;
+ my %opts = @_;
+ if ($unified_info{generate}->{$src}) {
+ die "$src is generated by Configure, should not appear in build file\n"
+ if ref $unified_info{generate}->{$src} eq "";
+ my $script = $unified_info{generate}->{$src}->[0];
+ $OUT .= generatesrc(src => $src,
+ generator => $unified_info{generate}->{$src},
+ generator_incs => $unified_info{includes}->{$script},
+ generator_deps => $unified_info{depends}->{$script},
+ deps => $unified_info{depends}->{$src},
+ incs => $unified_info{includes}->{$obj},
+ %opts);
+ foreach (@{$unified_info{depends}->{$src}}) {
+ dogenerate($_, $obj, $bin, %opts);
+ }
+ }
+ $cache{$src} = 1;
}
# doobj is responsible for producing all the recipes that build
# object files as well as dependency files.
sub doobj {
my $obj = shift;
- (my $obj_no_o = $obj) =~ s|\.o$||;
+ return "" if $cache{$obj};
my $bin = shift;
+ my %opts = @_;
if (@{$unified_info{sources}->{$obj}}) {
- $OUT .= src2obj(obj => $obj_no_o,
+ $OUT .= src2obj(obj => $obj,
+ product => $bin,
srcs => $unified_info{sources}->{$obj},
- deps => [ reducedepends(resolvedepends($obj)) ],
- incs => [ @{$unified_info{includes}->{$bin}},
- @{$unified_info{includes}->{$obj}} ]);
+ deps => $unified_info{depends}->{$obj},
+ incs => $unified_info{includes}->{$obj},
+ %opts);
+ foreach ((@{$unified_info{sources}->{$obj}},
+ @{$unified_info{depends}->{$obj}})) {
+ dogenerate($_, $obj, $bin, %opts);
+ }
}
+ $cache{$obj} = 1;
}
# dolib is responsible for building libraries. It will call
# built.
sub dolib {
my $lib = shift;
- if (!$config{no_shared}) {
- my %ordinals =
- $unified_info{ordinals}->{$lib}
- ? (ordinals => $unified_info{ordinals}->{$lib}) : ();
+ return "" if $cache{$lib};
+ unless ($disabled{shared} || $lib =~ /\.a$/) {
$OUT .= libobj2shlib(shlib => $unified_info{sharednames}->{$lib},
lib => $lib,
- objs => [ map { (my $x = $_) =~ s|\.o$||; $x }
+ objs => [ @{$unified_info{shared_sources}->{$lib}},
@{$unified_info{sources}->{$lib}} ],
deps => [ reducedepends(resolvedepends($lib)) ],
- %ordinals);
+ installed => is_installed($lib));
+ foreach ((@{$unified_info{shared_sources}->{$lib}},
+ @{$unified_info{sources}->{$lib}})) {
+ # If this is somehow a compiled object, take care of it that way
+ # Otherwise, it might simply be generated
+ if (defined $unified_info{sources}->{$_}) {
+ doobj($_, $lib, intent => "lib", installed => is_installed($lib));
+ } else {
+ dogenerate($_, undef, undef, intent => "lib");
+ }
+ }
}
$OUT .= obj2lib(lib => $lib,
- objs => [ map { (my $x = $_) =~ s|\.o$||; $x }
- @{$unified_info{sources}->{$lib}} ]);
- map { doobj($_, $lib, intent => "lib") } @{$unified_info{sources}->{$lib}};
+ objs => [ @{$unified_info{sources}->{$lib}} ]);
+ foreach (@{$unified_info{sources}->{$lib}}) {
+ doobj($_, $lib, intent => "lib", installed => is_installed($lib));
+ }
+ $cache{$lib} = 1;
}
# doengine is responsible for building engines. It will call
# 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($_, $lib, intent => "lib") } @{$unified_info{sources}->{$lib}};
+ objs => [ @{$unified_info{sources}->{$lib}},
+ @{$unified_info{shared_sources}->{$lib}} ],
+ deps => [ resolvedepends($lib) ],
+ installed => is_installed($lib));
+ foreach ((@{$unified_info{sources}->{$lib}},
+ @{$unified_info{shared_sources}->{$lib}})) {
+ doobj($_, $lib, intent => "dso", installed => is_installed($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}->{$bin}};
+ objs => [ @{$unified_info{sources}->{$bin}} ],
+ deps => $deps,
+ installed => is_installed($bin));
+ foreach (@{$unified_info{sources}->{$bin}}) {
+ doobj($_, $bin, intent => "bin", installed => is_installed($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});
+ sources => $unified_info{sources}->{$script},
+ installed => is_installed($script));
+ $cache{$script} = 1;
+ }
+
+ sub dodir {
+ my $dir = shift;
+ return "" if !exists(&generatedir) or $cache{$dir};
+ $OUT .= generatedir(dir => $dir,
+ deps => $unified_info{dirinfo}->{$dir}->{deps},
+ %{$unified_info{dirinfo}->{$_}->{products}});
+ $cache{$dir} = 1;
}
+ # Start with populating the cache with all the overrides
+ %cache = map { $_ => 1 } @{$unified_info{overrides}};
+
+ # For convenience collect information regarding directories where
+ # files are generated, those generated files and the end product
+ # they end up in where applicable. Then, add build rules for those
+ # directories
+ if (exists &generatedir) {
+ my %loopinfo = ( "dso" => [ @{$unified_info{engines}} ],
+ "lib" => [ @{$unified_info{libraries}} ],
+ "bin" => [ @{$unified_info{programs}} ],
+ "script" => [ @{$unified_info{scripts}} ] );
+ foreach my $type (keys %loopinfo) {
+ foreach my $product (@{$loopinfo{$type}}) {
+ my %dirs = ();
+ my $pd = dirname($product);
+
+ # We already have a "test" target, and the current directory
+ # is just silly to make a target for
+ $dirs{$pd} = 1 unless $pd eq "test" || $pd eq ".";
+
+ foreach (@{$unified_info{sources}->{$product}}) {
+ my $d = dirname($_);
+
+ # We don't want to create targets for source directories
+ # when building out of source
+ next if ($config{sourcedir} ne $config{builddir}
+ && $d =~ m|^\Q$config{sourcedir}\E|);
+ # We already have a "test" target, and the current directory
+ # is just silly to make a target for
+ next if $d eq "test" || $d eq ".";
+
+ $dirs{$d} = 1;
+ push @{$unified_info{dirinfo}->{$d}->{deps}}, $_
+ if $d ne $pd;
+ }
+ foreach (keys %dirs) {
+ push @{$unified_info{dirinfo}->{$_}->{products}->{$type}},
+ $product;
+ }
+ }
+ }
+ }
+
+ # Build mandatory generated headers
+ foreach (@{$unified_info{depends}->{""}}) { dogenerate($_); }
+
# Build all known libraries, engines, programs and scripts.
# Everything else will be handled as a consequence.
- map { dolib($_) } @{$unified_info{libraries}};
- map { doengine($_) } @{$unified_info{engines}};
- map { dobin($_) } @{$unified_info{programs}};
- map { doscript($_) } @{$unified_info{scripts}};
+ foreach (@{$unified_info{libraries}}) { dolib($_); }
+ foreach (@{$unified_info{engines}}) { doengine($_); }
+ foreach (@{$unified_info{programs}}) { dobin($_); }
+ foreach (@{$unified_info{scripts}}) { doscript($_); }
+
+ foreach (sort keys %{$unified_info{dirinfo}}) { dodir($_); }
# Finally, should there be any applicable BEGINRAW/ENDRAW sections,
# they are added here.
- $OUT .= $_."\n" foreach(@{$unified_info{rawlines}});
+ $OUT .= $_."\n" foreach @{$unified_info{rawlines}};
-}