release/src-rt-6.x.4708/router/samba-3.5.8/source4/build/smb_build/input.pm

   1 # Samba Build System
   2 # - the input checking functions
   3 #
   4 #  Copyright (C) Stefan (metze) Metzmacher 2004
   5 #  Copyright (C) Jelmer Vernooij 2004
   6 #  Released under the GNU GPL
   7
   8 use strict;
   9 package smb_build::input;
  10 use File::Basename;
  11
  12 sub strtrim($)
  13 {
  14         $_ = shift;
  15         s/^[\t\n ]*//g;
  16         s/[\t\n ]*$//g;
  17         return $_;
  18 }
  19
  20 sub str2array($)
  21 {
  22         $_ = shift;
  23         s/^[\t\n ]*//g;
  24         s/[\t\n ]*$//g;
  25         s/([\t\n ]+)/ /g;
  26
  27         return () if (length($_)==0);
  28         return split /[ \t\n]/;
  29 }
  30
  31 sub add_libreplace($)
  32 {
  33         my ($part) = @_;
  34
  35         return if ($part->{NAME} eq "LIBREPLACE");
  36         return if ($part->{NAME} eq "LIBREPLACE_HOSTCC");
  37         return if ($part->{NAME} eq "REPLACE_READDIR");
  38
  39         foreach my $n (@{$part->{PRIVATE_DEPENDENCIES}}) {
  40                 return if ($n eq "LIBREPLACE");
  41                 return if ($n eq "LIBREPLACE_HOSTCC");
  42         }
  43         foreach my $n (@{$part->{PUBLIC_DEPENDENCIES}}) {
  44                 return if ($n eq "LIBREPLACE");
  45                 return if ($n eq "LIBREPLACE_HOSTCC");
  46         }
  47
  48         if (defined($part->{USE_HOSTCC}) && $part->{USE_HOSTCC} eq "YES") {
  49                 unshift (@{$part->{PRIVATE_DEPENDENCIES}}, "LIBREPLACE_HOSTCC");
  50         } else {
  51                 unshift (@{$part->{PRIVATE_DEPENDENCIES}}, "LIBREPLACE");
  52         }
  53 }
  54
  55 sub check_subsystem($$$)
  56 {
  57         my ($INPUT, $subsys, $default_ot) = @_;
  58         return if ($subsys->{ENABLE} ne "YES");
  59
  60         unless (defined($subsys->{OUTPUT_TYPE})) { $subsys->{OUTPUT_TYPE} = $default_ot; }
  61         unless (defined($subsys->{INIT_FUNCTION_TYPE})) { $subsys->{INIT_FUNCTION_TYPE} = "NTSTATUS (*) (void)"; }
  62         unless (defined($subsys->{INIT_FUNCTION_SENTINEL})) { $subsys->{INIT_FUNCTION_SENTINEL} = "NULL"; }
  63 }
  64
  65 sub check_module($$$)
  66 {
  67         my ($INPUT, $mod, $default_ot) = @_;
  68
  69         die("Module $mod->{NAME} does not have a SUBSYSTEM set") if not defined($mod->{SUBSYSTEM});
  70
  71         if (not exists($INPUT->{$mod->{SUBSYSTEM}}{INIT_FUNCTIONS})) {
  72                 $INPUT->{$mod->{SUBSYSTEM}}{INIT_FUNCTIONS} = [];
  73         }
  74
  75         if (!(defined($INPUT->{$mod->{SUBSYSTEM}}))) {
  76                 die("Unknown subsystem $mod->{SUBSYSTEM} for module $mod->{NAME}");
  77         }
  78
  79         if ($INPUT->{$mod->{SUBSYSTEM}} eq "NO") {
  80                 warn("Disabling module $mod->{NAME} because subsystem $mod->{SUBSYSTEM} is disabled");
  81                 $mod->{ENABLE} = "NO";
  82                 return;
  83         }
  84
  85         return if ($mod->{ENABLE} ne "YES");
  86
  87         if (exists($INPUT->{$mod->{SUBSYSTEM}}{INIT_FUNCTION_TYPE})) {
  88                 $mod->{INIT_FUNCTION_TYPE} = $INPUT->{$mod->{SUBSYSTEM}}{INIT_FUNCTION_TYPE};
  89         } else {
  90                 $mod->{INIT_FUNCTION_TYPE} = "NTSTATUS (*) (void)";
  91         }
  92
  93         unless (defined($mod->{INIT_FUNCTION_SENTINEL})) { $mod->{INIT_FUNCTION_SENTINEL} = "NULL"; }
  94
  95         if (not defined($mod->{OUTPUT_TYPE})) {
  96                 if ((not defined($INPUT->{$mod->{SUBSYSTEM}})) or
  97                         (not defined($INPUT->{$mod->{SUBSYSTEM}}->{TYPE})) or
  98                         $INPUT->{$mod->{SUBSYSTEM}}->{TYPE} eq "EXT_LIB") {
  99                         $mod->{OUTPUT_TYPE} = ["SHARED_LIBRARY"];
 100                 } else {
 101                         $mod->{OUTPUT_TYPE} = $default_ot;
 102                 }
 103         }
 104
 105         if (grep(/SHARED_LIBRARY/, @{$mod->{OUTPUT_TYPE}})) {
 106                 my $sane_subsystem = lc($mod->{SUBSYSTEM});
 107                 $sane_subsystem =~ s/^lib//;
 108                 $mod->{INSTALLDIR} = "MODULESDIR/$sane_subsystem";
 109                 push (@{$mod->{PUBLIC_DEPENDENCIES}}, $mod->{SUBSYSTEM});
 110                 add_libreplace($mod);
 111         }
 112         if (grep(/MERGED_OBJ/, @{$mod->{OUTPUT_TYPE}}) and $mod->{TYPE} ne "PYTHON") {
 113                 push (@{$INPUT->{$mod->{SUBSYSTEM}}{INIT_FUNCTIONS}}, $mod->{INIT_FUNCTION}) if defined($mod->{INIT_FUNCTION});
 114                 push (@{$INPUT->{$mod->{SUBSYSTEM}}{PRIVATE_DEPENDENCIES}}, $mod->{NAME});
 115         }
 116 }
 117
 118 sub check_library($$$)
 119 {
 120         my ($INPUT, $lib, $default_ot) = @_;
 121
 122         return if ($lib->{ENABLE} ne "YES");
 123
 124         unless (defined($lib->{OUTPUT_TYPE})) { $lib->{OUTPUT_TYPE} = $default_ot; }
 125
 126         unless (defined($lib->{INIT_FUNCTION_TYPE})) { $lib->{INIT_FUNCTION_TYPE} = "NTSTATUS (*) (void)"; }
 127         unless (defined($lib->{INIT_FUNCTION_SENTINEL})) { $lib->{INIT_FUNCTION_SENTINEL} = "NULL"; }
 128         unless (defined($lib->{INSTALLDIR})) { $lib->{INSTALLDIR} = "LIBDIR"; }
 129
 130         add_libreplace($lib);
 131 }
 132
 133 sub check_python($$$)
 134 {
 135         my ($INPUT, $python, $default_ot) = @_;
 136
 137         return if ($INPUT->{LIBPYTHON}{ENABLE} ne "YES");
 138
 139         $python->{INSTALLDIR} = "PYTHONDIR";
 140         unless (defined($python->{CFLAGS})) { $python->{CFLAGS} = []; }
 141         my $basename = $python->{NAME};
 142         $basename =~ s/^python_//g;
 143         unless (defined($python->{LIBRARY_REALNAME})) {
 144                 $python->{LIBRARY_REALNAME} = "$basename.\$(SHLIBEXT)";
 145         }
 146         $python->{INIT_FUNCTION} = "{ (char *)\"$basename\", init$basename }";
 147         push (@{$python->{CFLAGS}}, "\$(EXT_LIB_PYTHON_CFLAGS)");
 148
 149         $python->{SUBSYSTEM} = "LIBPYTHON";
 150
 151         check_module($INPUT, $python, $default_ot);
 152 }
 153
 154 sub check_binary($$)
 155 {
 156         my ($INPUT, $bin) = @_;
 157
 158         return if ($bin->{ENABLE} ne "YES");
 159
 160         ($bin->{BINARY} = (lc $bin->{NAME})) if not defined($bin->{BINARY});
 161         unless (defined($bin->{INIT_FUNCTION_SENTINEL})) { $bin->{INIT_FUNCTION_SENTINEL} = "NULL"; }
 162         unless (defined($bin->{INIT_FUNCTION_TYPE})) { $bin->{INIT_FUNCTION_TYPE} = "NTSTATUS (*) (void)"; }
 163
 164         $bin->{OUTPUT_TYPE} = ["BINARY"];
 165         add_libreplace($bin);
 166 }
 167
 168 sub add_implicit($$)
 169 {
 170         my ($INPUT, $n) = @_;
 171
 172         $INPUT->{$n}->{TYPE} = "MAKE_RULE";
 173         $INPUT->{$n}->{NAME} = $n;
 174         $INPUT->{$n}->{OUTPUT_TYPE} = undef;
 175         $INPUT->{$n}->{LIBS} = ["\$(".uc($n)."_LIBS)"];
 176         $INPUT->{$n}->{LDFLAGS} = ["\$(".uc($n)."_LDFLAGS)"];
 177         $INPUT->{$n}->{CFLAGS} = ["\$(".uc($n)."_CFLAGS)"];
 178         $INPUT->{$n}->{CPPFLAGS} = ["\$(".uc($n)."_CPPFLAGS)"];
 179         $INPUT->{$n}->{ENABLE} = "YES";
 180 }
 181
 182 sub calc_unique_deps($$$$$$$$)
 183 {
 184         sub calc_unique_deps($$$$$$$$);
 185         my ($name, $INPUT, $deps, $udeps, $withlibs, $forward, $pubonly, $busy) = @_;
 186
 187         foreach my $n (@$deps) {
 188                 add_implicit($INPUT, $n) unless (defined($INPUT->{$n}) and defined($INPUT->{$n}->{TYPE}));
 189                 my $dep = $INPUT->{$n};
 190                 if (grep (/^$n$/, @$busy)) {
 191                         next if (@{$dep->{OUTPUT_TYPE}}[0] eq "MERGED_OBJ");
 192                         die("Recursive dependency: $n, list: " . join(',', @$busy));
 193                 }
 194                 next if (grep /^$n$/, @$udeps);
 195
 196                 push (@{$udeps}, $n) if $forward;
 197
 198                 if (defined ($dep->{OUTPUT_TYPE}) &&
 199                         ($withlibs or
 200                         (@{$dep->{OUTPUT_TYPE}}[0] eq "MERGED_OBJ") or
 201                         (@{$dep->{OUTPUT_TYPE}}[0] eq "STATIC_LIBRARY"))) {
 202                                 push (@$busy, $n);
 203                                 calc_unique_deps($n, $INPUT, $dep->{PUBLIC_DEPENDENCIES}, $udeps, $withlibs, $forward, $pubonly, $busy);
 204                                 calc_unique_deps($n, $INPUT, $dep->{PRIVATE_DEPENDENCIES}, $udeps, $withlibs, $forward, $pubonly, $busy) unless $pubonly;
 205                                 pop (@$busy);
 206                 }
 207
 208                 unshift (@{$udeps}, $n) unless $forward;
 209         }
 210 }
 211
 212 sub check($$$$$)
 213 {
 214         my ($INPUT, $enabled, $subsys_ot, $lib_ot, $module_ot) = @_;
 215
 216         foreach my $part (values %$INPUT) {
 217                 if (defined($enabled->{$part->{NAME}})) {
 218                         $part->{ENABLE} = $enabled->{$part->{NAME}};
 219                         next;
 220                 }
 221
 222                 unless(defined($part->{ENABLE})) {
 223                         if ($part->{TYPE} eq "EXT_LIB") {
 224                                 $part->{ENABLE} = "NO";
 225                         } else {
 226                                 $part->{ENABLE} = "YES";
 227                         }
 228                 }
 229         }
 230
 231         foreach my $part (values %$INPUT) {
 232                 $part->{LINK_FLAGS} = [];
 233                 $part->{FULL_OBJ_LIST} = ["\$($part->{NAME}_OBJ_FILES)"];
 234
 235                 if ($part->{TYPE} eq "SUBSYSTEM") {
 236                         check_subsystem($INPUT, $part, $subsys_ot);
 237                 } elsif ($part->{TYPE} eq "MODULE") {
 238                         check_module($INPUT, $part, $module_ot);
 239                 } elsif ($part->{TYPE} eq "LIBRARY") {
 240                         check_library($INPUT, $part, $lib_ot);
 241                 } elsif ($part->{TYPE} eq "BINARY") {
 242                         check_binary($INPUT, $part);
 243                 } elsif ($part->{TYPE} eq "PYTHON") {
 244                         check_python($INPUT, $part, $module_ot);
 245                 } elsif ($part->{TYPE} eq "EXT_LIB") {
 246                 } else {
 247                         die("Unknown type $part->{TYPE}");
 248                 }
 249         }
 250
 251         foreach my $part (values %$INPUT) {
 252                 if (defined($part->{INIT_FUNCTIONS})) {
 253                         push (@{$part->{LINK_FLAGS}}, "\$(DYNEXP)");
 254                 }
 255         }
 256
 257         foreach my $part (values %$INPUT) {
 258                 $part->{UNIQUE_DEPENDENCIES_LINK} = [];
 259                 calc_unique_deps($part->{NAME}, $INPUT, $part->{PUBLIC_DEPENDENCIES}, $part->{UNIQUE_DEPENDENCIES_LINK}, 0, 0, 0, []);
 260                 calc_unique_deps($part->{NAME}, $INPUT, $part->{PRIVATE_DEPENDENCIES}, $part->{UNIQUE_DEPENDENCIES_LINK}, 0, 0, 0, []);
 261         }
 262
 263         foreach my $part (values %$INPUT) {
 264                 $part->{UNIQUE_DEPENDENCIES_COMPILE} = [];
 265                 calc_unique_deps($part->{NAME}, $INPUT, $part->{PUBLIC_DEPENDENCIES}, $part->{UNIQUE_DEPENDENCIES_COMPILE}, 1, 1, 1, []);
 266                 calc_unique_deps($part->{NAME}, $INPUT, $part->{PRIVATE_DEPENDENCIES}, $part->{UNIQUE_DEPENDENCIES_COMPILE}, 1, 1, 1, []);
 267         }
 268
 269         foreach my $part (values %$INPUT) {
 270                 $part->{UNIQUE_DEPENDENCIES_ALL} = [];
 271                 calc_unique_deps($part->{NAME}, $INPUT, $part->{PUBLIC_DEPENDENCIES}, $part->{UNIQUE_DEPENDENCIES_ALL}, 1, 0, 0, []);
 272                 calc_unique_deps($part->{NAME}, $INPUT, $part->{PRIVATE_DEPENDENCIES}, $part->{UNIQUE_DEPENDENCIES_ALL}, 1, 0, 0, []);
 273         }
 274
 275         return $INPUT;
 276 }
 277
 278 1;