[thirdparty/openssl.git] / Configurations / common.tmpl

{- # -*- Mode: perl -*-

 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} //
                      $unified_info{depends}->{$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 { extensionlesslib($_) eq $extensionlessitem } @listsofar;
             push @newlist, $item, resolvedepends($item, @listsofar, $item);
         }
     }
     @newlist;
 }
 sub reducedepends {
     my @list = @_;
     my @newlist = ();
     my %replace = ();
     while (@list) {
         my $item = shift @list;
         my $extensionlessitem = extensionlesslib($item);
         if (grep { $extensionlessitem eq extensionlesslib($_) } @list) {
             if ($item ne $extensionlessitem) {
                 # If this instance of the library is explicitely static, we
                 # prefer that to any shared library name, since it must have
                 # been done on purpose.
                 $replace{$extensionlessitem} = $item;
             }
         } else {
             push @newlist, $item;
         }
     }
     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 => [ @{$unified_info{includes}->{$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,
                         product => $bin,
                         srcs => $unified_info{sources}->{$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
 # libobj2shlib 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;
     return "" if $cache{$lib};
     unless ($disabled{shared} || $lib =~ /\.a$/) {
         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}->{$lib}},
                                         @{$unified_info{shared_sources}->{$lib}}) ],
                              deps => [ reducedepends(resolvedepends($lib)) ],
                              installed => is_installed($lib),
                              %ordinals);
         foreach (@{$unified_info{shared_sources}->{$lib}}) {
             doobj($_, $lib, intent => "lib", installed => is_installed($lib));
         }
     }
     $OUT .= obj2lib(lib => $lib,
                     objs => [ map { (my $x = $_) =~ s|\.o$||; $x }
                               @{$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
 # obj2dso, and also makes sure all object files for the library
 # 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{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 => $deps,
                     installed => is_installed($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},
                       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.
 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}};
-}
Commit	Line	Data
ddf1847d RL	1	{- # -- Mode: perl --
ddf1847d RL	2
0ad1d94d RL	3	use File::Basename;
	4
	5	# A cache of objects for which a recipe has already been generated
	6	my %cache;
ddf1847d RL	7
	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.
186a31e5 RL	12	sub extensionlesslib {
	13	my @result = map { $_ =~ /(\.a)?$/; $` } @_;
	14	return @result if wantarray;
	15	return $result[0];
	16	}
ddf1847d RL	17	sub resolvedepends {
ddf1847d RL	18	my $thing = shift;
186a31e5	19	my $extensionlessthing = extensionlesslib($thing);
ddf1847d	20	my @listsofar = @_; # to check if we're looping
33105818 RL	21	my @list = @{$unified_info{depends}->{$thing} //
33105818 RL	22	$unified_info{depends}->{$extensionlessthing}};
ddf1847d RL	23	my @newlist = ();
	24	if (scalar @list) {
	25	foreach my $item (@list) {
186a31e5	26	my $extensionlessitem = extensionlesslib($item);
ddf1847d	27	# It's time to break off when the dependency list starts looping
186a31e5	28	next if grep { extensionlesslib($_) eq $extensionlessitem } @listsofar;
ddf1847d RL	29	push @newlist, $item, resolvedepends($item, @listsofar, $item);
	30	}
	31	}
	32	@newlist;
	33	}
	34	sub reducedepends {
	35	my @list = @_;
	36	my @newlist = ();
33105818	37	my %replace = ();
ddf1847d RL	38	while (@list) {
ddf1847d RL	39	my $item = shift @list;
186a31e5	40	my $extensionlessitem = extensionlesslib($item);
33105818 RL	41	if (grep { $extensionlessitem eq extensionlesslib($_) } @list) {
	42	if ($item ne $extensionlessitem) {
	43	# If this instance of the library is explicitely static, we
	44	# prefer that to any shared library name, since it must have
	45	# been done on purpose.
	46	$replace{$extensionlessitem} = $item;
	47	}
	48	} else {
	49	push @newlist, $item;
	50	}
ddf1847d	51	}
33105818	52	map { $replace{$_} // $_; } @newlist;
ddf1847d RL	53	}
ddf1847d RL	54
84f38675 RL	55	# is_installed checks if a given file will be installed (i.e. they are
	56	# not defined _NO_INST in build.info)
	57	sub is_installed {
	58	my $product = shift;
	59	if (grep { $product eq $_ }
	60	map { (@{$unified_info{install}->{$_}}) }
	61	keys %{$unified_info{install}}) {
	62	return 1;
	63	}
	64	return 0;
	65	}
	66
d4605727 RL	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.
ae4c7450 RL	70	sub dogenerate {
	71	my $src = shift;
	72	return "" if $cache{$src};
d4605727 RL	73	my $obj = shift;
d4605727 RL	74	my $bin = shift;
ae4c7450 RL	75	my %opts = @_;
ae4c7450 RL	76	if ($unified_info{generate}->{$src}) {
05a7aee0 RL	77	die "$src is generated by Configure, should not appear in build file\n"
05a7aee0 RL	78	if ref $unified_info{generate}->{$src} eq "";
8d34daf0	79	my $script = $unified_info{generate}->{$src}->[0];
ae4c7450 RL	80	$OUT .= generatesrc(src => $src,
ae4c7450 RL	81	generator => $unified_info{generate}->{$src},
8d34daf0 RL	82	generator_incs => $unified_info{includes}->{$script},
8d34daf0 RL	83	generator_deps => $unified_info{depends}->{$script},
ae4c7450	84	deps => $unified_info{depends}->{$src},
d4605727 RL	85	incs => [ @{$unified_info{includes}->{$bin}},
d4605727 RL	86	@{$unified_info{includes}->{$obj}} ],
ae4c7450 RL	87	%opts);
ae4c7450 RL	88	foreach (@{$unified_info{depends}->{$src}}) {
d4605727	89	dogenerate($_, $obj, $bin, %opts);
ae4c7450 RL	90	}
	91	}
	92	$cache{$src} = 1;
	93	}
	94
ddf1847d RL	95	# doobj is responsible for producing all the recipes that build
	96	# object files as well as dependency files.
	97	sub doobj {
	98	my $obj = shift;
b23238f9	99	return "" if $cache{$obj};
ddf1847d RL	100	(my $obj_no_o = $obj) =~ s\|\.o$\|\|;
ddf1847d RL	101	my $bin = shift;
45502bfe	102	my %opts = @_;
ddf1847d RL	103	if (@{$unified_info{sources}->{$obj}}) {
ddf1847d RL	104	$OUT .= src2obj(obj => $obj_no_o,
84f38675	105	product => $bin,
ddf1847d	106	srcs => $unified_info{sources}->{$obj},
ae4c7450	107	deps => $unified_info{depends}->{$obj},
ddf1847d	108	incs => [ @{$unified_info{includes}->{$bin}},
45502bfe RL	109	@{$unified_info{includes}->{$obj}} ],
45502bfe RL	110	%opts);
ae4c7450 RL	111	foreach ((@{$unified_info{sources}->{$obj}},
ae4c7450 RL	112	@{$unified_info{depends}->{$obj}})) {
d4605727	113	dogenerate($_, $obj, $bin, %opts);
ae4c7450	114	}
ddf1847d	115	}
b23238f9	116	$cache{$obj} = 1;
ddf1847d RL	117	}
	118
	119	# dolib is responsible for building libraries. It will call
	120	# libobj2shlib is shared libraries are produced, and obj2lib in all
	121	# cases. It also makes sure all object files for the library are
	122	# built.
	123	sub dolib {
	124	my $lib = shift;
b23238f9	125	return "" if $cache{$lib};
33105818	126	unless ($disabled{shared} \|\| $lib =~ /\.a$/) {
ddf1847d RL	127	my %ordinals =
	128	$unified_info{ordinals}->{$lib}
	129	? (ordinals => $unified_info{ordinals}->{$lib}) : ();
	130	$OUT .= libobj2shlib(shlib => $unified_info{sharednames}->{$lib},
	131	lib => $lib,
	132	objs => [ map { (my $x = $_) =~ s\|\.o$\|\|; $x }
2a08d1a0 RL	133	(@{$unified_info{sources}->{$lib}},
2a08d1a0 RL	134	@{$unified_info{shared_sources}->{$lib}}) ],
ddf1847d	135	deps => [ reducedepends(resolvedepends($lib)) ],
84f38675	136	installed => is_installed($lib),
ddf1847d	137	%ordinals);
2110febb	138	foreach (@{$unified_info{shared_sources}->{$lib}}) {
84f38675	139	doobj($_, $lib, intent => "lib", installed => is_installed($lib));
2110febb	140	}
ddf1847d RL	141	}
	142	$OUT .= obj2lib(lib => $lib,
	143	objs => [ map { (my $x = $_) =~ s\|\.o$\|\|; $x }
	144	@{$unified_info{sources}->{$lib}} ]);
2110febb	145	foreach (@{$unified_info{sources}->{$lib}}) {
19eaee74	146	doobj($_, $lib, intent => "lib", installed => is_installed($lib));
2110febb	147	}
b23238f9	148	$cache{$lib} = 1;
ddf1847d RL	149	}
	150
	151	# doengine is responsible for building engines. It will call
5386287c	152	# obj2dso, and also makes sure all object files for the library
ddf1847d RL	153	# are built.
	154	sub doengine {
	155	my $lib = shift;
b23238f9	156	return "" if $cache{$lib};
5386287c RL	157	$OUT .= obj2dso(lib => $lib,
5386287c RL	158	objs => [ map { (my $x = $_) =~ s\|\.o$\|\|; $x }
2a08d1a0 RL	159	(@{$unified_info{sources}->{$lib}},
2a08d1a0 RL	160	@{$unified_info{shared_sources}->{$lib}}) ],
84f38675 RL	161	deps => [ resolvedepends($lib) ],
84f38675 RL	162	installed => is_installed($lib));
2110febb RL	163	foreach ((@{$unified_info{sources}->{$lib}},
2110febb RL	164	@{$unified_info{shared_sources}->{$lib}})) {
84f38675	165	doobj($_, $lib, intent => "dso", installed => is_installed($lib));
2110febb	166	}
b23238f9	167	$cache{$lib} = 1;
ddf1847d RL	168	}
	169
	170	# dobin is responsible for building programs. It will call obj2bin,
	171	# and also makes sure all object files for the library are built.
	172	sub dobin {
	173	my $bin = shift;
b23238f9	174	return "" if $cache{$bin};
ddf1847d RL	175	my $deps = [ reducedepends(resolvedepends($bin)) ];
	176	$OUT .= obj2bin(bin => $bin,
	177	objs => [ map { (my $x = $_) =~ s\|\.o$\|\|; $x }
	178	@{$unified_info{sources}->{$bin}} ],
84f38675 RL	179	deps => $deps,
84f38675 RL	180	installed => is_installed($bin));
2110febb	181	foreach (@{$unified_info{sources}->{$bin}}) {
84f38675	182	doobj($_, $bin, intent => "bin", installed => is_installed($bin));
2110febb	183	}
b23238f9	184	$cache{$bin} = 1;
ddf1847d RL	185	}
	186
	187	# dobin is responsible for building scripts from templates. It will
	188	# call in2script.
	189	sub doscript {
	190	my $script = shift;
b23238f9	191	return "" if $cache{$script};
ddf1847d	192	$OUT .= in2script(script => $script,
84f38675 RL	193	sources => $unified_info{sources}->{$script},
84f38675 RL	194	installed => is_installed($script));
b23238f9	195	$cache{$script} = 1;
ddf1847d RL	196	}
ddf1847d RL	197
0ad1d94d RL	198	sub dodir {
	199	my $dir = shift;
	200	return "" if !exists(&generatedir) or $cache{$dir};
	201	$OUT .= generatedir(dir => $dir,
	202	deps => $unified_info{dirinfo}->{$dir}->{deps},
	203	%{$unified_info{dirinfo}->{$_}->{products}});
	204	$cache{$dir} = 1;
	205	}
	206
8a67946e RL	207	# Start with populating the cache with all the overrides
	208	%cache = map { $_ => 1 } @{$unified_info{overrides}};
	209
0ad1d94d RL	210	# For convenience collect information regarding directories where
	211	# files are generated, those generated files and the end product
	212	# they end up in where applicable. Then, add build rules for those
	213	# directories
	214	if (exists &generatedir) {
	215	my %loopinfo = ( "dso" => [ @{$unified_info{engines}} ],
	216	"lib" => [ @{$unified_info{libraries}} ],
	217	"bin" => [ @{$unified_info{programs}} ],
	218	"script" => [ @{$unified_info{scripts}} ] );
	219	foreach my $type (keys %loopinfo) {
	220	foreach my $product (@{$loopinfo{$type}}) {
	221	my %dirs = ();
	222	my $pd = dirname($product);
ec772a81 RL	223
	224	# We already have a "test" target, and the current directory
	225	# is just silly to make a target for
	226	$dirs{$pd} = 1 unless $pd eq "test" \|\| $pd eq ".";
	227
0ad1d94d RL	228	foreach (@{$unified_info{sources}->{$product}}) {
0ad1d94d RL	229	my $d = dirname($_);
ec772a81 RL	230
	231	# We don't want to create targets for source directories
	232	# when building out of source
	233	next if ($config{sourcedir} ne $config{builddir}
	234	&& $d =~ m\|^\Q$config{sourcedir}\E\|);
	235	# We already have a "test" target, and the current directory
	236	# is just silly to make a target for
	237	next if $d eq "test" \|\| $d eq ".";
	238
0ad1d94d RL	239	$dirs{$d} = 1;
	240	push @{$unified_info{dirinfo}->{$d}->{deps}}, $_
	241	if $d ne $pd;
	242	}
	243	foreach (keys %dirs) {
	244	push @{$unified_info{dirinfo}->{$_}->{products}->{$type}},
	245	$product;
	246	}
	247	}
	248	}
	249	}
	250
4f858293 RL	251	# Build mandatory generated headers
	252	foreach (@{$unified_info{depends}->{""}}) { dogenerate($_); }
	253
ddf1847d RL	254	# Build all known libraries, engines, programs and scripts.
ddf1847d RL	255	# Everything else will be handled as a consequence.
f246f90e RL	256	foreach (@{$unified_info{libraries}}) { dolib($_); }
	257	foreach (@{$unified_info{engines}}) { doengine($_); }
	258	foreach (@{$unified_info{programs}}) { dobin($_); }
	259	foreach (@{$unified_info{scripts}}) { doscript($_); }
ddf1847d	260
0ad1d94d RL	261	foreach (sort keys %{$unified_info{dirinfo}}) { dodir($_); }
0ad1d94d RL	262
ddf1847d RL	263	# Finally, should there be any applicable BEGINRAW/ENDRAW sections,
ddf1847d RL	264	# they are added here.
2110febb	265	$OUT .= $_."\n" foreach @{$unified_info{rawlines}};
ddf1847d	266	-}