{- # -*- Mode: perl -*-
- my $a;
+ # 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
@newlist;
}
+ # 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}) {
+ 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 => [ @{$unified_info{includes}->{$bin}},
+ @{$unified_info{includes}->{$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;
+ 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)) ],
+ deps => $unified_info{depends}->{$obj},
incs => [ @{$unified_info{includes}->{$bin}},
@{$unified_info{includes}->{$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;
+ return "" if $cache{$lib};
unless ($disabled{shared}) {
my %ordinals =
$unified_info{ordinals}->{$lib}
$OUT .= libobj2shlib(shlib => $unified_info{sharednames}->{$lib},
lib => $lib,
objs => [ map { (my $x = $_) =~ s|\.o$||; $x }
- @{$unified_info{sources}->{$lib}} ],
+ (@{$unified_info{sources}->{$lib}},
+ @{$unified_info{shared_sources}->{$lib}}) ],
deps => [ reducedepends(resolvedepends($lib)) ],
%ordinals);
+ foreach (@{$unified_info{shared_sources}->{$lib}}) {
+ doobj($_, $lib, 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}->{$lib}};
+ foreach (@{$unified_info{sources}->{$lib}}) {
+ doobj($_, $lib, intent => "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}->{$lib}} ],
+ (@{$unified_info{sources}->{$lib}},
+ @{$unified_info{shared_sources}->{$lib}}) ],
deps => [ resolvedepends($lib) ]);
- map { doobj($_, $lib, intent => "dso") } @{$unified_info{sources}->{$lib}};
+ foreach ((@{$unified_info{sources}->{$lib}},
+ @{$unified_info{shared_sources}->{$lib}})) {
+ doobj($_, $lib, intent => "dso");
+ }
+ $cache{$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}->{$bin}};
+ foreach (@{$unified_info{sources}->{$bin}}) {
+ doobj($_, $bin, intent => "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;
}
+ # Start with populating the cache with all the overrides
+ %cache = map { $_ => 1 } @{$unified_info{overrides}};
+
# 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 (@{$unified_info{scripts}}) { doscript($_); }
# 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}};
-}