source/build/smb_build/config_mk.pm

   1 # Samba Build System
   2 # - config.mk parsing functions
   3 #
   4 #  Copyright (C) Stefan (metze) Metzmacher 2004
   5 #  Copyright (C) Jelmer Vernooij 2005
   6 #  Released under the GNU GPL
   7 #
   8
   9 package smb_build::config_mk;
  10 use smb_build::input;
  11 use File::Basename;
  12
  13 use strict;
  14
  15 my $section_types = {
  16         "EXT_LIB" => {
  17                 "LIBS"                  => "list",
  18                 "CFLAGS"                => "list",
  19                 "CPPFLAGS"              => "list",
  20                 "LDFLAGS"               => "list",
  21                 },
  22         "SUBSYSTEM" => {
  23                 "OBJ_FILES"             => "list",
  24
  25                 "PRIVATE_DEPENDENCIES"  => "list",
  26                 "PUBLIC_DEPENDENCIES"   => "list",
  27
  28                 "ENABLE"                => "bool",
  29
  30                 "MANPAGE"               => "string",
  31
  32                 "PUBLIC_PROTO_HEADER"   => "string",
  33                 "PRIVATE_PROTO_HEADER"  => "string",
  34
  35                 "PUBLIC_HEADERS"        => "list",
  36
  37                 "EXTRA_CFLAGS"          => "string",
  38                 "STANDARD_VISIBILITY"   => "string"
  39                 },
  40         "MODULE" => {
  41                 "SUBSYSTEM"             => "string",
  42
  43                 "INIT_FUNCTION"         => "string",
  44                 "OBJ_FILES"             => "list",
  45
  46                 "PUBLIC_DEPENDENCIES"   => "list",
  47                 "PRIVATE_DEPENDENCIES"  => "list",
  48
  49                 "ALIASES" => "list",
  50
  51                 "ENABLE"                => "bool",
  52
  53                 "OUTPUT_TYPE"           => "string",
  54
  55                 "MANPAGE"               => "string",
  56                 "PRIVATE_PROTO_HEADER"  => "string",
  57
  58                 "EXTRA_CFLAGS"          => "string"
  59                 },
  60         "BINARY" => {
  61                 "OBJ_FILES"             => "list",
  62
  63                 "PRIVATE_DEPENDENCIES"  => "list",
  64
  65                 "ENABLE"                => "bool",
  66
  67                 "MANPAGE"               => "string",
  68                 "INSTALLDIR"            => "string",
  69                 "PRIVATE_PROTO_HEADER"  => "string",
  70                 "PUBLIC_PROTO_HEADER"   => "string",
  71                 "PUBLIC_HEADERS"        => "list",
  72
  73                 "EXTRA_CFLAGS"          => "string",
  74                 "STANDARD_VISIBILITY"   => "string"
  75                 },
  76         "LIBRARY" => {
  77                 "VERSION"               => "string",
  78                 "SO_VERSION"            => "string",
  79                 "LIBRARY_REALNAME" => "string",
  80
  81                 "INIT_FUNCTION_TYPE"    => "string",
  82
  83                 "OBJ_FILES"             => "list",
  84
  85                 "DESCRIPTION"           => "string",
  86
  87                 "PRIVATE_DEPENDENCIES"  => "list",
  88                 "PUBLIC_DEPENDENCIES"   => "list",
  89
  90                 "ENABLE"                => "bool",
  91
  92                 "MANPAGE"               => "string",
  93
  94                 "PUBLIC_HEADERS"        => "list",
  95
  96                 "PUBLIC_PROTO_HEADER"   => "string",
  97                 "PRIVATE_PROTO_HEADER"  => "string",
  98
  99                 "EXTRA_CFLAGS"          => "string",
 100                 "STANDARD_VISIBILITY"   => "string"
 101                 }
 102 };
 103
 104 use vars qw(@parsed_files);
 105
 106 @parsed_files = ();
 107
 108 ###########################################################
 109 # The parsing function which parses the file
 110 #
 111 # $result = _parse_config_mk($filename)
 112 #
 113 # $filename -   the path of the config.mk file
 114 #               which should be parsed
 115 sub run_config_mk($$$$)
 116 {
 117         sub run_config_mk($$$$);
 118         my ($input, $srcdir, $builddir, $filename) = @_;
 119         my $result;
 120         my $linenum = -1;
 121         my $infragment = 0;
 122         my $section = "GLOBAL";
 123         my $makefile = "";
 124
 125         my $parsing_file = $builddir."/".$filename;
 126
 127         $ENV{samba_builddir} = $builddir;
 128         $ENV{samba_srcdir} = $srcdir;
 129
 130         if (!open(CONFIG_MK, $parsing_file)) {
 131                 $parsing_file = $srcdir."/".$filename;
 132                 open(CONFIG_MK, $parsing_file) or
 133                     die("Can't open neither `$builddir."/".$filename' nor `$srcdir/$filename'\n");
 134         }
 135
 136         push (@parsed_files, $parsing_file);
 137
 138
 139         my @lines = <CONFIG_MK>;
 140         close(CONFIG_MK);
 141
 142         my $line = "";
 143         my $prev = "";
 144
 145         foreach (@lines) {
 146                 $linenum++;
 147
 148                 # lines beginning with '#' are ignored
 149                 next if (/^\#.*$/);
 150
 151                 if (/^(.*)\\$/) {
 152                         $prev .= $1;
 153                         next;
 154                 } else {
 155                         $line = "$prev$_";
 156                         $prev = "";
 157                 }
 158
 159                 if ($line =~ /^\[([-a-zA-Z0-9_:]+)\][\t ]*$/)
 160                 {
 161                         $section = $1;
 162                         $infragment = 0;
 163                         next;
 164                 }
 165
 166                 # include
 167                 if ($line =~ /^include (.*)$/) {
 168                         $makefile .= run_config_mk($input, $srcdir, $builddir, dirname($filename)."/$1");
 169                         next;
 170                 }
 171
 172                 # empty line
 173                 if ($line =~ /^[ \t]*$/) {
 174                         $section = "GLOBAL";
 175                         if ($infragment) { $makefile.="\n"; }
 176                         next;
 177                 }
 178
 179                 # global stuff is considered part of the makefile
 180                 if ($section eq "GLOBAL") {
 181                         if (!$infragment) { $makefile.="\n"; }
 182                         $makefile .= $line;
 183                         $infragment = 1;
 184                         next;
 185                 }
 186
 187
 188                 # Assignment
 189                 if ($line =~ /^([a-zA-Z0-9_]+)[\t ]*=(.*)$/) {
 190                         $result->{$section}{$1}{VAL} = $2;
 191                         $result->{$section}{$1}{KEY} = $1;
 192
 193                         next;
 194                 }
 195
 196                 die("$srcdir."/".$filename:$linenum: Bad line while parsing $srcdir."/".$filename");
 197         }
 198
 199         foreach my $section (keys %{$result}) {
 200                 my ($type, $name) = split(/::/, $section, 2);
 201
 202                 my $sectype = $section_types->{$type};
 203                 if (not defined($sectype)) {
 204                         die($srcdir."/".$filename.":[".$section."] unknown section type \"".$type."\"!");
 205                 }
 206
 207                 $input->{$name}{NAME} = $name;
 208                 $input->{$name}{TYPE} = $type;
 209                 $input->{$name}{MK_FILE} = $srcdir."/".$filename;
 210                 $input->{$name}{BASEDIR} = dirname($filename);
 211
 212                 foreach my $key (values %{$result->{$section}}) {
 213                         $key->{VAL} = smb_build::input::strtrim($key->{VAL});
 214                         my $vartype = $sectype->{$key->{KEY}};
 215                         if (not defined($vartype)) {
 216                                 die($srcdir."/".$filename.":[".$section."]: unknown attribute type \"$key->{KEY}\"!");
 217                         }
 218                         if ($vartype eq "string") {
 219                                 $input->{$name}{$key->{KEY}} = $key->{VAL};
 220                         } elsif ($vartype eq "list") {
 221                                 $input->{$name}{$key->{KEY}} = [smb_build::input::str2array($key->{VAL})];
 222                         } elsif ($vartype eq "bool") {
 223                                 if (($key->{VAL} ne "YES") and ($key->{VAL} ne "NO")) {
 224                                         die("Invalid value for bool attribute $key->{KEY}: $key->{VAL} in section $section");
 225                                 }
 226                                 $input->{$name}{$key->{KEY}} = $key->{VAL};
 227                         }
 228                 }
 229         }
 230
 231         return $makefile;
 232 }
 233
 234 1;