[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 resolvedepends {
     my $thing = shift;
     my @listsofar = @_;    # to check if we're looping
     my @list = @{$unified_info{depends}->{$thing}};
     my @newlist = ();
     if (scalar @list) {
         foreach my $item (@list) {
             # It's time to break off when the dependency list starts looping
             next if grep { $_ eq $item } @listsofar;
             push @newlist, $item, resolvedepends($item, @listsofar, $item);
         }
     }
     @newlist;
 }
 sub reducedepends {
     my @list = @_;
     my @newlist = ();
     while (@list) {
         my $item = shift @list;
         push @newlist, $item
             unless grep { $item eq $_ } @list;
     }
     @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,
                             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 => $unified_info{depends}->{$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}) {
         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)) ],
                              %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}->{$lib}} ]);
     foreach (@{$unified_info{sources}->{$lib}}) {
         doobj($_, $lib, intent => "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) ]);
     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 => $deps);
     foreach (@{$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;
 }

 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 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.
	12	sub resolvedepends {
	13	my $thing = shift;
	14	my @listsofar = @_; # to check if we're looping
	15	my @list = @{$unified_info{depends}->{$thing}};
	16	my @newlist = ();
	17	if (scalar @list) {
	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);
	22	}
	23	}
	24	@newlist;
	25	}
	26	sub reducedepends {
	27	my @list = @_;
	28	my @newlist = ();
	29	while (@list) {
	30	my $item = shift @list;
	31	push @newlist, $item
	32	unless grep { $item eq $_ } @list;
	33	}
	34	@newlist;
	35	}
	36
d4605727 RL	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.
ae4c7450 RL	40	sub dogenerate {
	41	my $src = shift;
	42	return "" if $cache{$src};
d4605727 RL	43	my $obj = shift;
d4605727 RL	44	my $bin = shift;
ae4c7450 RL	45	my %opts = @_;
ae4c7450 RL	46	if ($unified_info{generate}->{$src}) {
05a7aee0 RL	47	die "$src is generated by Configure, should not appear in build file\n"
05a7aee0 RL	48	if ref $unified_info{generate}->{$src} eq "";
8d34daf0	49	my $script = $unified_info{generate}->{$src}->[0];
ae4c7450 RL	50	$OUT .= generatesrc(src => $src,
ae4c7450 RL	51	generator => $unified_info{generate}->{$src},
8d34daf0 RL	52	generator_incs => $unified_info{includes}->{$script},
8d34daf0 RL	53	generator_deps => $unified_info{depends}->{$script},
ae4c7450	54	deps => $unified_info{depends}->{$src},
d4605727 RL	55	incs => [ @{$unified_info{includes}->{$bin}},
d4605727 RL	56	@{$unified_info{includes}->{$obj}} ],
ae4c7450 RL	57	%opts);
ae4c7450 RL	58	foreach (@{$unified_info{depends}->{$src}}) {
d4605727	59	dogenerate($_, $obj, $bin, %opts);
ae4c7450 RL	60	}
	61	}
	62	$cache{$src} = 1;
	63	}
	64
ddf1847d RL	65	# doobj is responsible for producing all the recipes that build
	66	# object files as well as dependency files.
	67	sub doobj {
	68	my $obj = shift;
b23238f9	69	return "" if $cache{$obj};
ddf1847d RL	70	(my $obj_no_o = $obj) =~ s\|\.o$\|\|;
ddf1847d RL	71	my $bin = shift;
45502bfe	72	my %opts = @_;
ddf1847d RL	73	if (@{$unified_info{sources}->{$obj}}) {
	74	$OUT .= src2obj(obj => $obj_no_o,
	75	srcs => $unified_info{sources}->{$obj},
ae4c7450	76	deps => $unified_info{depends}->{$obj},
ddf1847d	77	incs => [ @{$unified_info{includes}->{$bin}},
45502bfe RL	78	@{$unified_info{includes}->{$obj}} ],
45502bfe RL	79	%opts);
ae4c7450 RL	80	foreach ((@{$unified_info{sources}->{$obj}},
ae4c7450 RL	81	@{$unified_info{depends}->{$obj}})) {
d4605727	82	dogenerate($_, $obj, $bin, %opts);
ae4c7450	83	}
ddf1847d	84	}
b23238f9	85	$cache{$obj} = 1;
ddf1847d RL	86	}
	87
	88	# dolib is responsible for building libraries. It will call
	89	# libobj2shlib is shared libraries are produced, and obj2lib in all
	90	# cases. It also makes sure all object files for the library are
	91	# built.
	92	sub dolib {
	93	my $lib = shift;
b23238f9	94	return "" if $cache{$lib};
84af1bae	95	unless ($disabled{shared}) {
ddf1847d RL	96	my %ordinals =
	97	$unified_info{ordinals}->{$lib}
	98	? (ordinals => $unified_info{ordinals}->{$lib}) : ();
	99	$OUT .= libobj2shlib(shlib => $unified_info{sharednames}->{$lib},
	100	lib => $lib,
	101	objs => [ map { (my $x = $_) =~ s\|\.o$\|\|; $x }
2a08d1a0 RL	102	(@{$unified_info{sources}->{$lib}},
2a08d1a0 RL	103	@{$unified_info{shared_sources}->{$lib}}) ],
ddf1847d RL	104	deps => [ reducedepends(resolvedepends($lib)) ],
ddf1847d RL	105	%ordinals);
2110febb RL	106	foreach (@{$unified_info{shared_sources}->{$lib}}) {
	107	doobj($_, $lib, intent => "lib");
	108	}
ddf1847d RL	109	}
	110	$OUT .= obj2lib(lib => $lib,
	111	objs => [ map { (my $x = $_) =~ s\|\.o$\|\|; $x }
	112	@{$unified_info{sources}->{$lib}} ]);
2110febb RL	113	foreach (@{$unified_info{sources}->{$lib}}) {
	114	doobj($_, $lib, intent => "lib");
	115	}
b23238f9	116	$cache{$lib} = 1;
ddf1847d RL	117	}
	118
	119	# doengine is responsible for building engines. It will call
5386287c	120	# obj2dso, and also makes sure all object files for the library
ddf1847d RL	121	# are built.
	122	sub doengine {
	123	my $lib = shift;
b23238f9	124	return "" if $cache{$lib};
5386287c RL	125	$OUT .= obj2dso(lib => $lib,
5386287c RL	126	objs => [ map { (my $x = $_) =~ s\|\.o$\|\|; $x }
2a08d1a0 RL	127	(@{$unified_info{sources}->{$lib}},
2a08d1a0 RL	128	@{$unified_info{shared_sources}->{$lib}}) ],
5386287c	129	deps => [ resolvedepends($lib) ]);
2110febb RL	130	foreach ((@{$unified_info{sources}->{$lib}},
	131	@{$unified_info{shared_sources}->{$lib}})) {
	132	doobj($_, $lib, intent => "dso");
	133	}
b23238f9	134	$cache{$lib} = 1;
ddf1847d RL	135	}
	136
	137	# dobin is responsible for building programs. It will call obj2bin,
	138	# and also makes sure all object files for the library are built.
	139	sub dobin {
	140	my $bin = shift;
b23238f9	141	return "" if $cache{$bin};
ddf1847d RL	142	my $deps = [ reducedepends(resolvedepends($bin)) ];
	143	$OUT .= obj2bin(bin => $bin,
	144	objs => [ map { (my $x = $_) =~ s\|\.o$\|\|; $x }
	145	@{$unified_info{sources}->{$bin}} ],
	146	deps => $deps);
2110febb RL	147	foreach (@{$unified_info{sources}->{$bin}}) {
	148	doobj($_, $bin, intent => "bin");
	149	}
b23238f9	150	$cache{$bin} = 1;
ddf1847d RL	151	}
	152
	153	# dobin is responsible for building scripts from templates. It will
	154	# call in2script.
	155	sub doscript {
	156	my $script = shift;
b23238f9	157	return "" if $cache{$script};
ddf1847d RL	158	$OUT .= in2script(script => $script,
ddf1847d RL	159	sources => $unified_info{sources}->{$script});
b23238f9	160	$cache{$script} = 1;
ddf1847d RL	161	}
ddf1847d RL	162
0ad1d94d RL	163	sub dodir {
	164	my $dir = shift;
	165	return "" if !exists(&generatedir) or $cache{$dir};
	166	$OUT .= generatedir(dir => $dir,
	167	deps => $unified_info{dirinfo}->{$dir}->{deps},
	168	%{$unified_info{dirinfo}->{$_}->{products}});
	169	$cache{$dir} = 1;
	170	}
	171
8a67946e RL	172	# Start with populating the cache with all the overrides
	173	%cache = map { $_ => 1 } @{$unified_info{overrides}};
	174
0ad1d94d RL	175	# For convenience collect information regarding directories where
	176	# files are generated, those generated files and the end product
	177	# they end up in where applicable. Then, add build rules for those
	178	# directories
	179	if (exists &generatedir) {
	180	my %loopinfo = ( "dso" => [ @{$unified_info{engines}} ],
	181	"lib" => [ @{$unified_info{libraries}} ],
	182	"bin" => [ @{$unified_info{programs}} ],
	183	"script" => [ @{$unified_info{scripts}} ] );
	184	foreach my $type (keys %loopinfo) {
	185	foreach my $product (@{$loopinfo{$type}}) {
	186	my %dirs = ();
	187	my $pd = dirname($product);
ec772a81 RL	188
	189	# We already have a "test" target, and the current directory
	190	# is just silly to make a target for
	191	$dirs{$pd} = 1 unless $pd eq "test" \|\| $pd eq ".";
	192
0ad1d94d RL	193	foreach (@{$unified_info{sources}->{$product}}) {
0ad1d94d RL	194	my $d = dirname($_);
ec772a81 RL	195
	196	# We don't want to create targets for source directories
	197	# when building out of source
	198	next if ($config{sourcedir} ne $config{builddir}
	199	&& $d =~ m\|^\Q$config{sourcedir}\E\|);
	200	# We already have a "test" target, and the current directory
	201	# is just silly to make a target for
	202	next if $d eq "test" \|\| $d eq ".";
	203
0ad1d94d RL	204	$dirs{$d} = 1;
	205	push @{$unified_info{dirinfo}->{$d}->{deps}}, $_
	206	if $d ne $pd;
	207	}
	208	foreach (keys %dirs) {
	209	push @{$unified_info{dirinfo}->{$_}->{products}->{$type}},
	210	$product;
	211	}
	212	}
	213	}
	214	}
	215
ddf1847d RL	216	# Build all known libraries, engines, programs and scripts.
ddf1847d RL	217	# Everything else will be handled as a consequence.
f246f90e RL	218	foreach (@{$unified_info{libraries}}) { dolib($_); }
	219	foreach (@{$unified_info{engines}}) { doengine($_); }
	220	foreach (@{$unified_info{programs}}) { dobin($_); }
	221	foreach (@{$unified_info{scripts}}) { doscript($_); }
ddf1847d	222
0ad1d94d RL	223	foreach (sort keys %{$unified_info{dirinfo}}) { dodir($_); }
0ad1d94d RL	224
ddf1847d RL	225	# Finally, should there be any applicable BEGINRAW/ENDRAW sections,
ddf1847d RL	226	# they are added here.
2110febb	227	$OUT .= $_."\n" foreach @{$unified_info{rawlines}};
ddf1847d	228	-}