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.
12 sub extensionlesslib {
13 my @result = map { $_ =~ /(\.a)?$/; $` } @_;
14 return @result if wantarray;
19 my $extensionlessthing = extensionlesslib($thing);
20 my @listsofar = @_; # to check if we're looping
21 my @list = @{$unified_info{depends}->{$thing} //
22 $unified_info{depends}->{$extensionlessthing}};
25 foreach my $item (@list) {
26 my $extensionlessitem = extensionlesslib($item);
27 # It's time to break off when the dependency list starts looping
28 next if grep { extensionlesslib($_) eq $extensionlessitem } @listsofar;
29 push @newlist, $item, resolvedepends($item, @listsofar, $item);
39 my $item = shift @list;
40 my $extensionlessitem = extensionlesslib($item);
41 if (grep { $extensionlessitem eq extensionlesslib($_) } @list) {
42 if ($item ne $extensionlessitem) {
43 # If this instance of the library is explicitly static, we
44 # prefer that to any shared library name, since it must have
45 # been done on purpose.
46 $replace{$extensionlessitem} = $item;
52 map { $replace{$_} // $_; } @newlist;
55 # is_installed checks if a given file will be installed (i.e. they are
56 # not defined _NO_INST in build.info)
59 if (grep { $product eq $_ }
60 map { (@{$unified_info{install}->{$_}}) }
61 keys %{$unified_info{install}}) {
67 # dogenerate is responsible for producing all the recipes that build
68 # generated source files. It recurses in case a dependency is also a
69 # generated source file.
72 return "" if $cache{$src};
76 if ($unified_info{generate}->{$src}) {
77 die "$src is generated by Configure, should not appear in build file\n"
78 if ref $unified_info{generate}->{$src} eq "";
79 my $script = $unified_info{generate}->{$src}->[0];
80 $OUT .= generatesrc(src => $src,
82 generator => $unified_info{generate}->{$src},
83 generator_incs => $unified_info{includes}->{$script},
84 generator_deps => $unified_info{depends}->{$script},
85 deps => $unified_info{depends}->{$src},
86 incs => [ @{$unified_info{includes}->{$obj}},
87 @{$unified_info{includes}->{$bin}} ],
88 defs => [ @{$unified_info{defines}->{$obj}},
89 @{$unified_info{defines}->{$bin}} ],
91 foreach (@{$unified_info{depends}->{$src}}) {
92 dogenerate($_, $obj, $bin, %opts);
98 # doobj is responsible for producing all the recipes that build
99 # object files as well as dependency files.
102 return "" if $cache{$obj};
105 if (@{$unified_info{sources}->{$obj}}) {
106 $OUT .= src2obj(obj => $obj,
108 srcs => $unified_info{sources}->{$obj},
109 deps => $unified_info{depends}->{$obj},
110 incs => [ @{$unified_info{includes}->{$obj}},
111 @{$unified_info{includes}->{$bin}} ],
112 defs => [ @{$unified_info{defines}->{$obj}},
113 @{$unified_info{defines}->{$bin}} ],
115 foreach ((@{$unified_info{sources}->{$obj}},
116 @{$unified_info{depends}->{$obj}})) {
117 dogenerate($_, $obj, $bin, %opts);
123 # dolib is responsible for building libraries. It will call
124 # obj2shlib is shared libraries are produced, and obj2lib in all
125 # cases. It also makes sure all object files for the library are
129 return "" if $cache{$lib};
130 unless ($disabled{shared} || $lib =~ /\.a$/) {
131 my $obj2shlib = defined &obj2shlib ? \&obj2shlib : \&libobj2shlib;
132 $OUT .= $obj2shlib->(shlib => $unified_info{sharednames}->{$lib},
134 objs => $unified_info{shared_sources}->{$lib},
135 deps => [ reducedepends(resolvedepends($lib)) ],
136 installed => is_installed($lib));
137 foreach ((@{$unified_info{shared_sources}->{$lib}},
138 @{$unified_info{sources}->{$lib}})) {
139 # If this is somehow a compiled object, take care of it that way
140 # Otherwise, it might simply be generated
141 if (defined $unified_info{sources}->{$_}) {
142 doobj($_, $lib, intent => "shlib", installed => is_installed($lib));
144 dogenerate($_, undef, undef, intent => "lib");
148 $OUT .= obj2lib(lib => $lib,
149 objs => [ @{$unified_info{sources}->{$lib}} ]);
150 foreach (@{$unified_info{sources}->{$lib}}) {
151 doobj($_, $lib, intent => "lib", installed => is_installed($lib));
156 # doengine is responsible for building engines. It will call
157 # obj2dso, and also makes sure all object files for the library
161 return "" if $cache{$lib};
162 $OUT .= obj2dso(lib => $lib,
163 objs => $unified_info{shared_sources}->{$lib},
164 deps => [ resolvedepends($lib) ],
165 installed => is_installed($lib));
166 foreach (@{$unified_info{shared_sources}->{$lib}}) {
167 # If this is somehow a compiled object, take care of it that way
168 # Otherwise, it might simply be generated
169 if (defined $unified_info{sources}->{$_}) {
170 doobj($_, $lib, intent => "dso", installed => is_installed($lib));
172 dogenerate($_, undef, $lib, intent => "dso");
178 # dobin is responsible for building programs. It will call obj2bin,
179 # and also makes sure all object files for the library are built.
182 return "" if $cache{$bin};
183 my $deps = [ reducedepends(resolvedepends($bin)) ];
184 $OUT .= obj2bin(bin => $bin,
185 objs => [ @{$unified_info{sources}->{$bin}} ],
187 installed => is_installed($bin));
188 foreach (@{$unified_info{sources}->{$bin}}) {
189 doobj($_, $bin, intent => "bin", installed => is_installed($bin));
194 # dobin is responsible for building scripts from templates. It will
198 return "" if $cache{$script};
199 $OUT .= in2script(script => $script,
200 sources => $unified_info{sources}->{$script},
201 installed => is_installed($script));
207 return "" if !exists(&generatedir) or $cache{$dir};
208 $OUT .= generatedir(dir => $dir,
209 deps => $unified_info{dirinfo}->{$dir}->{deps},
210 %{$unified_info{dirinfo}->{$_}->{products}});
214 # Start with populating the cache with all the overrides
215 %cache = map { $_ => 1 } @{$unified_info{overrides}};
217 # Build mandatory generated headers
218 foreach (@{$unified_info{depends}->{""}}) { dogenerate($_); }
220 # Build all known libraries, engines, programs and scripts.
221 # Everything else will be handled as a consequence.
222 foreach (@{$unified_info{libraries}}) { dolib($_); }
223 foreach (@{$unified_info{engines}}) { doengine($_); }
224 foreach (@{$unified_info{programs}}) { dobin($_); }
225 foreach (@{$unified_info{scripts}}) { doscript($_); }
227 foreach (sort keys %{$unified_info{dirinfo}}) { dodir($_); }
229 # Finally, should there be any applicable BEGINRAW/ENDRAW sections,
230 # they are added here.
231 $OUT .= $_."\n" foreach @{$unified_info{rawlines}};