Build: remove EXTRA
[openssl.git] / Configurations / common.tmpl
index a750e21..a15971e 100644 (file)
@@ -1,20 +1,31 @@
 {- # -*- 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;
+ }
+
+ # 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,
+                             product => $bin,
+                             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}},
+                                       @{$unified_info{includes}->{$bin}} ],
+                             defs => [ @{$unified_info{defines}->{$obj}},
+                                       @{$unified_info{defines}->{$bin}} ],
+                             %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,
-                         srcs => $unified_info{sources}->{$obj},
-                         deps => [ reducedepends(resolvedepends($obj)) ],
-                         incs => [ @{$unified_info{includes}->{$bin}},
-                                   @{$unified_info{includes}->{$obj}} ]);
-         $OUT .= src2dep(obj => $obj_no_o,
+         $OUT .= src2obj(obj => $obj,
+                         product => $bin,
                          srcs => $unified_info{sources}->{$obj},
-                         incs => [ @{$unified_info{includes}->{$bin}},
-                                   @{$unified_info{includes}->{$obj}} ]);
+                         deps => $unified_info{depends}->{$obj},
+                         incs => [ @{$unified_info{includes}->{$obj}},
+                                   @{$unified_info{includes}->{$bin}} ],
+                         defs => [ @{$unified_info{defines}->{$obj}},
+                                   @{$unified_info{defines}->{$bin}} ],
+                         %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
- # libobj2shlib is shared libraries are produced, and obj2lib in all
+ # obj2shlib 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 $lib = shift;
-     if (!$config{no_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);
+     return "" if $cache{$lib};
+     unless ($disabled{shared} || $lib =~ /\.a$/) {
+         my $obj2shlib = defined &obj2shlib ? \&obj2shlib : \&libobj2shlib;
+         $OUT .= $obj2shlib->(lib => $lib,
+                              attrs => $unified_info{attributes}->{$lib},
+                              objs => $unified_info{shared_sources}->{$lib},
+                              deps => [ reducedepends(resolvedepends($lib)) ]);
+         foreach ((@{$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 => "shlib",
+                       attrs => $unified_info{attributes}->{$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}};
+                     attrs => $unified_info{attributes}->{$lib},
+                     objs => [ @{$unified_info{sources}->{$lib}} ]);
+     foreach (@{$unified_info{sources}->{$lib}}) {
+         doobj($_, $lib, intent => "lib",
+               attrs => $unified_info{attributes}->{$lib});
+     }
+     $cache{$lib} = 1;
  }
 
  # doengine is responsible for building engines.  It will call
- # obj2dynlib, and also makes sure all object files for the library
+ # obj2dso, and also makes sure all object files for the library
  # are built.
  sub doengine {
      my $lib = shift;
-     $OUT .= obj2dynlib(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}};
+     return "" if $cache{$lib};
+     $OUT .= obj2dso(lib => $lib,
+                     attrs => $unified_info{attributes}->{$lib},
+                     objs => $unified_info{shared_sources}->{$lib},
+                     deps => [ resolvedepends($lib) ]);
+     foreach (@{$unified_info{shared_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 => "dso",
+                   attrs => $unified_info{attributes}->{$lib});
+         } else {
+             dogenerate($_, undef, $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}} ],
+                     attrs => $unified_info{attributes}->{$bin},
+                     objs => [ @{$unified_info{sources}->{$bin}} ],
                      deps => $deps);
-     map { doobj($_, $bin, intent => "bin") } @{$unified_info{sources}->{$bin}};
+     foreach (@{$unified_info{sources}->{$bin}}) {
+         doobj($_, $bin, intent => "bin",
+               attrs => $unified_info{attributes}->{$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,
+                       attrs => $unified_info{attributes}->{$script},
                        sources => $unified_info{sources}->{$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}};
+
+ # 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 (@{$unified_info{scripts}})   { doscript($_); }
 
- # Finally, should there be any applicable BEGINRAW/ENDRAW sections,
- # they are added here.
- $OUT .= $_."\n" foreach(@{$unified_info{rawlines}});
+ foreach (sort keys %{$unified_info{dirinfo}})  { dodir($_); }
 -}