1 {- # -*- Mode: perl -*-
5 # A cache of objects for which a recipe has already been generated
8 # resolvedepends and reducedepends work in tandem to make sure
9 # there are no duplicate dependencies and that they are in the
10 # right order. This is especially used to sort the list of
11 # libraries that a build depends on.
14 my @listsofar = @_; # to check if we're looping
15 my @list = @{$unified_info{depends}->{$thing}};
18 foreach my $item (@list) {
19 # It's time to break off when the dependency list starts looping
20 next if grep { $_ eq $item } @listsofar;
21 push @newlist, $item, resolvedepends($item, @listsofar, $item);
30 my $item = shift @list;
32 unless grep { $item eq $_ } @list;
37 # dogenerate is responsible for producing all the recipes that build
38 # generated source files. It recurses in case a dependency is also a
39 # generated source file.
42 return "" if $cache{$src};
46 if ($unified_info{generate}->{$src}) {
47 die "$src is generated by Configure, should not appear in build file\n"
48 if ref $unified_info{generate}->{$src} eq "";
49 my $script = $unified_info{generate}->{$src}->[0];
50 $OUT .= generatesrc(src => $src,
51 generator => $unified_info{generate}->{$src},
52 generator_incs => $unified_info{includes}->{$script},
53 generator_deps => $unified_info{depends}->{$script},
54 deps => $unified_info{depends}->{$src},
55 incs => $unified_info{includes}->{$obj},
57 foreach (@{$unified_info{depends}->{$src}}) {
58 dogenerate($_, $obj, $bin, %opts);
64 # doobj is responsible for producing all the recipes that build
65 # object files as well as dependency files.
68 return "" if $cache{$obj};
69 (my $obj_no_o = $obj) =~ s|\.o$||;
72 if (@{$unified_info{sources}->{$obj}}) {
73 $OUT .= src2obj(obj => $obj_no_o,
74 srcs => $unified_info{sources}->{$obj},
75 deps => $unified_info{depends}->{$obj},
76 incs => $unified_info{includes}->{$obj},
78 foreach ((@{$unified_info{sources}->{$obj}},
79 @{$unified_info{depends}->{$obj}})) {
80 dogenerate($_, $obj, $bin, %opts);
86 # dolib is responsible for building libraries. It will call
87 # libobj2shlib is shared libraries are produced, and obj2lib in all
88 # cases. It also makes sure all object files for the library are
92 return "" if $cache{$lib};
93 unless ($disabled{shared}) {
95 $unified_info{ordinals}->{$lib}
96 ? (ordinals => $unified_info{ordinals}->{$lib}) : ();
97 $OUT .= libobj2shlib(shlib => $unified_info{sharednames}->{$lib},
99 objs => [ map { (my $x = $_) =~ s|\.o$||; $x }
100 (@{$unified_info{sources}->{$lib}},
101 @{$unified_info{shared_sources}->{$lib}}) ],
102 deps => [ reducedepends(resolvedepends($lib)) ],
104 foreach (@{$unified_info{shared_sources}->{$lib}}) {
105 doobj($_, $lib, intent => "lib");
108 $OUT .= obj2lib(lib => $lib,
109 objs => [ map { (my $x = $_) =~ s|\.o$||; $x }
110 @{$unified_info{sources}->{$lib}} ]);
111 foreach (@{$unified_info{sources}->{$lib}}) {
112 doobj($_, $lib, intent => "lib");
117 # doengine is responsible for building engines. It will call
118 # obj2dso, and also makes sure all object files for the library
122 return "" if $cache{$lib};
123 $OUT .= obj2dso(lib => $lib,
124 objs => [ map { (my $x = $_) =~ s|\.o$||; $x }
125 (@{$unified_info{sources}->{$lib}},
126 @{$unified_info{shared_sources}->{$lib}}) ],
127 deps => [ resolvedepends($lib) ]);
128 foreach ((@{$unified_info{sources}->{$lib}},
129 @{$unified_info{shared_sources}->{$lib}})) {
130 doobj($_, $lib, intent => "dso");
135 # dobin is responsible for building programs. It will call obj2bin,
136 # and also makes sure all object files for the library are built.
139 return "" if $cache{$bin};
140 my $deps = [ reducedepends(resolvedepends($bin)) ];
141 $OUT .= obj2bin(bin => $bin,
142 objs => [ map { (my $x = $_) =~ s|\.o$||; $x }
143 @{$unified_info{sources}->{$bin}} ],
145 foreach (@{$unified_info{sources}->{$bin}}) {
146 doobj($_, $bin, intent => "bin");
151 # dobin is responsible for building scripts from templates. It will
155 return "" if $cache{$script};
156 $OUT .= in2script(script => $script,
157 sources => $unified_info{sources}->{$script});
163 return "" if !exists(&generatedir) or $cache{$dir};
164 $OUT .= generatedir(dir => $dir,
165 deps => $unified_info{dirinfo}->{$dir}->{deps},
166 %{$unified_info{dirinfo}->{$_}->{products}});
170 # Start with populating the cache with all the overrides
171 %cache = map { $_ => 1 } @{$unified_info{overrides}};
173 # For convenience collect information regarding directories where
174 # files are generated, those generated files and the end product
175 # they end up in where applicable. Then, add build rules for those
177 if (exists &generatedir) {
178 my %loopinfo = ( "dso" => [ @{$unified_info{engines}} ],
179 "lib" => [ @{$unified_info{libraries}} ],
180 "bin" => [ @{$unified_info{programs}} ],
181 "script" => [ @{$unified_info{scripts}} ] );
182 foreach my $type (keys %loopinfo) {
183 foreach my $product (@{$loopinfo{$type}}) {
185 my $pd = dirname($product);
187 # We already have a "test" target, and the current directory
188 # is just silly to make a target for
189 $dirs{$pd} = 1 unless $pd eq "test" || $pd eq ".";
191 foreach (@{$unified_info{sources}->{$product}}) {
194 # We don't want to create targets for source directories
195 # when building out of source
196 next if ($config{sourcedir} ne $config{builddir}
197 && $d =~ m|^\Q$config{sourcedir}\E|);
198 # We already have a "test" target, and the current directory
199 # is just silly to make a target for
200 next if $d eq "test" || $d eq ".";
203 push @{$unified_info{dirinfo}->{$d}->{deps}}, $_
206 foreach (keys %dirs) {
207 push @{$unified_info{dirinfo}->{$_}->{products}->{$type}},
214 # Build mandatory generated headers
215 foreach (@{$unified_info{depends}->{""}}) { dogenerate($_); }
217 # Build all known libraries, engines, programs and scripts.
218 # Everything else will be handled as a consequence.
219 foreach (@{$unified_info{libraries}}) { dolib($_); }
220 foreach (@{$unified_info{engines}}) { doengine($_); }
221 foreach (@{$unified_info{programs}}) { dobin($_); }
222 foreach (@{$unified_info{scripts}}) { doscript($_); }
224 foreach (sort keys %{$unified_info{dirinfo}}) { dodir($_); }
226 # Finally, should there be any applicable BEGINRAW/ENDRAW sections,
227 # they are added here.
228 $OUT .= $_."\n" foreach @{$unified_info{rawlines}};