src/support/package.C.in

   1 // -*- C++ -*-
   2 /**
   3  * \file package.C
   4  * This file is part of LyX, the document processor.
   5  * Licence details can be found in the file COPYING.
   6  *
   7  * \author Angus Leeming
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  *
  11  * Warning! This file is autogenerated from package.C.in.
  12  * All changes to this file will be lost.
  13  */
  14
  15 #include <config.h>
  16
  17 #include "support/package.h"
  18
  19 #include "debug.h"
  20 #include "gettext.h"
  21
  22 #include "support/environment.h"
  23 #include "support/filetools.h"
  24 #include "support/lstrings.h"
  25 #include "support/os.h"
  26
  27 #if defined (USE_WINDOWS_PACKAGING)
  28 # include "support/os_win32.h"
  29 #endif
  30
  31 #include <boost/filesystem/operations.hpp>
  32 #include <boost/tuple/tuple.hpp>
  33
  34 #include <list>
  35 #include <utility>
  36
  37 #if !defined (USE_WINDOWS_PACKAGING) && \
  38     !defined (USE_MACOSX_PACKAGING) && \
  39     !defined (USE_POSIX_PACKAGING)
  40 #error USE_FOO_PACKAGING must be defined for FOO = WINDOWS, MACOSX or POSIX.
  41 #endif
  42
  43 #if defined (USE_MACOSX_PACKAGING)
  44 # include <CoreServices/CoreServices.h> // FSFindFolder, FSRefMakePath
  45 #endif
  46
  47 using std::string;
  48
  49 namespace fs = boost::filesystem;
  50
  51 namespace lyx {
  52 namespace support {
  53
  54 namespace {
  55
  56 Package package_;
  57 bool initialised_ = false;
  58
  59 } // namespace anon
  60
  61
  62 void init_package(string const & command_line_arg0,
  63                   string const & command_line_system_support_dir,
  64                   string const & command_line_user_support_dir,
  65                   exe_build_dir_to_top_build_dir top_build_dir_location)
  66 {
  67         // Can do so only once.
  68         if (initialised_)
  69                 return;
  70
  71         package_ = Package(command_line_arg0,
  72                            command_line_system_support_dir,
  73                            command_line_user_support_dir,
  74                            top_build_dir_location);
  75         initialised_ = true;
  76 }
  77
  78
  79 Package const & package()
  80 {
  81         // Commented out because package().locale_dir() can be called
  82         // from the message translation code in messages.C before
  83         // init_package() is called. Lars is on the case...
  84         // BOOST_ASSERT(initialised_);
  85         return package_;
  86 }
  87
  88
  89 namespace {
  90
  91 string const abs_path_from_binary_name(string const & exe);
  92
  93 std::pair<string, string> const
  94 get_build_dirs(string const & abs_binary,
  95                exe_build_dir_to_top_build_dir top_build_dir_location);
  96
  97 string const get_document_dir(string const & home_dir);
  98
  99 string const get_home_dir();
 100
 101 string const get_locale_dir(string const & system_support_dir);
 102
 103 string const get_system_support_dir(string const & abs_binary,
 104                                     string const & command_line_system_support_dir);
 105
 106 string const get_temp_dir();
 107
 108 string const get_default_user_support_dir(string const & home_dir);
 109
 110 std::pair<string, bool> const
 111 get_user_support_dir(string const & default_user_support_dir,
 112                      string const & command_line_user_support_dir);
 113
 114
 115 string const & with_version_suffix();
 116
 117 } // namespace anon
 118
 119
 120 Package::Package(string const & command_line_arg0,
 121                  string const & command_line_system_support_dir,
 122                  string const & command_line_user_support_dir,
 123                  exe_build_dir_to_top_build_dir top_build_dir_location)
 124         : explicit_user_support_dir_(false)
 125 {
 126         home_dir_ = get_home_dir();
 127         temp_dir_ = get_temp_dir();
 128         document_dir_ = get_document_dir(home_dir_);
 129
 130         string const abs_binary = abs_path_from_binary_name(command_line_arg0);
 131         binary_dir_ = onlyPath(abs_binary);
 132
 133         // Is LyX being run in-place from the build tree?
 134         boost::tie(build_support_dir_, system_support_dir_) =
 135                 get_build_dirs(abs_binary, top_build_dir_location);
 136
 137         if (build_support_dir_.empty())
 138                 system_support_dir_ =
 139                         get_system_support_dir(abs_binary,
 140                                                command_line_system_support_dir);
 141
 142         locale_dir_ = get_locale_dir(system_support_dir_);
 143
 144         string const default_user_support_dir =
 145                 get_default_user_support_dir(home_dir_);
 146         boost::tie(user_support_dir_, explicit_user_support_dir_) =
 147                 get_user_support_dir(default_user_support_dir,
 148                                      command_line_user_support_dir);
 149
 150         string const configure_script = addName(system_support(), "configure.py");
 151         configure_command_ = os::python() + ' ' + quoteName(configure_script)
 152                                        + with_version_suffix();
 153
 154         lyxerr[Debug::INIT]
 155                 << "<package>\n"
 156                 << "\tbinary_dir " << binary_dir() << '\n'
 157                 << "\tsystem_support " << system_support() << '\n'
 158                 << "\tbuild_support " << build_support() << '\n'
 159                 << "\tuser_support " << user_support() << '\n'
 160                 << "\tlocale_dir " << locale_dir() << '\n'
 161                 << "\tdocument_dir " << document_dir() << '\n'
 162                 << "\ttemp_dir " << temp_dir() << '\n'
 163                 << "\thome_dir " << home_dir() << '\n'
 164                 << "</package>\n" << std::endl;
 165 }
 166
 167
 168 namespace {
 169
 170 // These next three functions contain the stuff that is substituted at
 171 // configuration-time.
 172 string const top_srcdir()
 173 {
 174         static string const dir("%TOP_SRCDIR%");
 175         return dir;
 176 }
 177
 178
 179 string const hardcoded_localedir()
 180 {
 181         return string("%LOCALEDIR%");
 182 }
 183
 184
 185 string const hardcoded_system_support_dir()
 186 {
 187         return string("%LYX_DIR%");
 188 }
 189
 190
 191 string const & with_version_suffix()
 192 {
 193         static string const program_suffix("%PROGRAM_SUFFIX%");
 194         static string const
 195                 with_version_suffix(" --with-version-suffix=%PROGRAM_SUFFIX%");
 196         return program_suffix.empty() ? program_suffix : with_version_suffix;
 197 }
 198
 199 } // namespace anon
 200
 201
 202 string const & Package::top_srcdir() const
 203 {
 204         static string const dir("%TOP_SRCDIR%");
 205         return dir;
 206 }
 207
 208
 209 namespace {
 210
 211 bool check_command_line_dir(string const & dir,
 212                             string const & file,
 213                             string const & command_line_switch);
 214
 215 string const extract_env_var_dir(string const & env_var);
 216
 217 bool check_env_var_dir(string const & dir,
 218                        string const & env_var);
 219
 220 bool check_env_var_dir(string const & dir,
 221                        string const & file,
 222                        string const & env_var);
 223
 224 string const relative_locale_dir();
 225
 226 string const relative_system_support_dir();
 227
 228
 229 std::string const
 230 get_build_support_dir(std::string const & binary_dir,
 231                       exe_build_dir_to_top_build_dir top_build_dir_location)
 232 {
 233         string indirection;
 234         switch (top_build_dir_location) {
 235         case top_build_dir_is_one_level_up:
 236                 indirection = "../lib";
 237                 break;
 238         case top_build_dir_is_two_levels_up:
 239                 indirection = "../../lib";
 240                 break;
 241         }
 242
 243         return normalizePath(addPath(binary_dir, indirection));
 244 }
 245
 246
 247 std::pair<string, string> const
 248 get_build_dirs(string const & abs_binary,
 249                exe_build_dir_to_top_build_dir top_build_dir_location)
 250 {
 251         string const check_text = "Checking whether LyX is run in place...";
 252
 253         // We're looking for "Makefile" in a directory
 254         //   binary_dir/../lib
 255         // We're also looking for "chkconfig.ltx" in a directory
 256         //   top_srcdir()/lib
 257         // If both are found, then we're running LyX in-place.
 258
 259         // Note that the name of the lyx binary may be a symbolic link.
 260         // If that is the case, then we follow the links too.
 261         string binary = abs_binary;
 262         while (true) {
 263                 // Try and find "lyxrc.defaults".
 264                 string const binary_dir = onlyPath(binary);
 265                 string const build_support_dir =
 266                         get_build_support_dir(binary_dir, top_build_dir_location);
 267
 268                 if (!fileSearch(build_support_dir, "Makefile").empty()) {
 269                         // Try and find "chkconfig.ltx".
 270                         string const system_support_dir =
 271                                 addPath(top_srcdir(), "lib");
 272
 273                         if (!fileSearch(system_support_dir, "chkconfig.ltx").empty()) {
 274                                 lyxerr[Debug::INIT] << check_text << " yes"
 275                                                     << std::endl;
 276                                 return std::make_pair(build_support_dir, system_support_dir);
 277                         }
 278                 }
 279
 280                 // Check whether binary is a symbolic link.
 281                 // If so, resolve it and repeat the exercise.
 282                 if (!fs::symbolic_link_exists(binary))
 283                         break;
 284
 285                 string link;
 286                 if (readLink(binary, link, true)) {
 287                         binary = link;
 288                 } else {
 289                         // Unable to resolve the link.
 290                         break;
 291                 }
 292         }
 293
 294         lyxerr[Debug::INIT] << check_text << " no" << std::endl;
 295         return std::make_pair(string(), string());
 296 }
 297
 298
 299 // Specification of document_dir_ may be reset by LyXRC,
 300 // but the default is fixed for a given OS.
 301 string const get_document_dir(string const & home_dir)
 302 {
 303 #if defined (USE_WINDOWS_PACKAGING)
 304         (void)home_dir; // Silence warning about unused variable.
 305         os::GetFolderPath win32_folder_path;
 306         return win32_folder_path(os::GetFolderPath::PERSONAL);
 307 #else // Posix-like.
 308         return home_dir;
 309 #endif
 310 }
 311
 312
 313 // The specification of home_dir_ is fixed for a given OS.
 314 // A typical example on Windows: "C:/Documents and Settings/USERNAME"
 315 // and on a Posix-like machine: "/home/USERNAME".
 316 string const get_home_dir()
 317 {
 318 #if defined (USE_WINDOWS_PACKAGING)
 319         string const home_dir = getEnv("USERPROFILE");
 320 #else // Posix-like.
 321         string const home_dir = getEnv("HOME");
 322 #endif
 323
 324         return os::internal_path(home_dir);
 325 }
 326
 327
 328 // Several sources are probed to ascertain the locale directory.
 329 // The only requirement is that the result is indeed a directory.
 330 string const get_locale_dir(string const & system_support_dir)
 331 {
 332         // 1. Use the "LYX_LOCALEDIR" environment variable.
 333         string path = extract_env_var_dir("LYX_LOCALEDIR");
 334         if (!path.empty() && check_env_var_dir(path, "LYX_LOCALEDIR"))
 335                 return path;
 336
 337         // 2. Search for system_support_dir / <relative locale dir>
 338         // The <relative locale dir> is OS-dependent. (On Unix, it will
 339         // be "../locale/".)
 340         path = normalizePath(addPath(system_support_dir, relative_locale_dir()));
 341
 342         if (fs::exists(path) && fs::is_directory(path))
 343                 return path;
 344
 345         // 3. Fall back to the hard-coded LOCALEDIR.
 346         path = hardcoded_localedir();
 347         if (fs::exists(path) && fs::is_directory(path))
 348                 return path;
 349
 350         return string();
 351 }
 352
 353
 354 // Specification of temp_dir_ may be reset by LyXRC,
 355 // but the default is fixed for a given OS.
 356 string const get_temp_dir()
 357 {
 358 #if defined (USE_WINDOWS_PACKAGING)
 359         // Typical example: C:/TEMP/.
 360         char path[MAX_PATH];
 361         GetTempPath(MAX_PATH, path);
 362         return os::internal_path(path);
 363 #else // Posix-like.
 364         return "/tmp";
 365 #endif
 366 }
 367
 368
 369 void bail_out()
 370 {
 371 #ifndef CXX_GLOBAL_CSTD
 372         using std::exit;
 373 #endif
 374         exit(1);
 375 }
 376
 377
 378 // Extracts the absolute path from the foo of "-sysdir foo" or "-userdir foo"
 379 string const abs_path_from_command_line(string const & command_line)
 380 {
 381         if (command_line.empty())
 382                 return string();
 383
 384         string const path = os::internal_path(command_line);
 385         return os::is_absolute_path(path) ? path : makeAbsPath(path);
 386 }
 387
 388
 389 // Does the grunt work for abs_path_from_binary_name()
 390 string const get_binary_path(string const & exe)
 391 {
 392 #if defined (USE_WINDOWS_PACKAGING)
 393         // The executable may have been invoked either with or
 394         // without the .exe extension.
 395         // Ensure that it is present.
 396         string const as_internal_path = os::internal_path(exe);
 397         string const exe_path = suffixIs(as_internal_path, ".exe") ?
 398                 as_internal_path : as_internal_path + ".exe";
 399 #else
 400         string const exe_path = os::internal_path(exe);
 401 #endif
 402         if (os::is_absolute_path(exe_path))
 403                 return exe_path;
 404
 405         // Two possibilities present themselves.
 406         // 1. The binary is relative to the CWD.
 407         string const abs_exe_path = makeAbsPath(exe_path);
 408         if (fs::exists(abs_exe_path))
 409                 return abs_exe_path;
 410
 411         // 2. exe must be the name of the binary only and it
 412         // can be found on the PATH.
 413         string const exe_name = onlyFilename(exe_path);
 414         if (exe_name != exe_path)
 415                 return string();
 416
 417         std::vector<string> const path = getEnvPath("PATH");
 418         std::vector<string>::const_iterator it = path.begin();
 419         std::vector<string>::const_iterator const end = path.end();
 420         for (; it != end; ++it) {
 421                 // This will do nothing if *it is already absolute.
 422                 string const exe_dir = makeAbsPath(*it);
 423
 424                 string const exe_path = addName(exe_dir, exe_name);
 425                 if (fs::exists(exe_path))
 426                         return exe_path;
 427         }
 428
 429         // Didn't find anything.
 430         return string();
 431 }
 432
 433
 434 // Extracts the absolute path to the binary name received as argv[0].
 435 string const abs_path_from_binary_name(string const & exe)
 436 {
 437         string const abs_binary = get_binary_path(exe);
 438         if (abs_binary.empty()) {
 439                 // FIXME UNICODE
 440                 lyxerr << lyx::to_utf8(bformat(_("Unable to determine the path to the "
 441                                                  "LyX binary from the command line %1$s"),
 442                                                  lyx::from_utf8(exe)))
 443                        << std::endl;
 444                 bail_out();
 445         }
 446         return abs_binary;
 447 }
 448
 449
 450 // A plethora of directories is searched to ascertain the system
 451 // lyxdir which is defined as the first directory to contain
 452 // "chkconfig.ltx".
 453 string const
 454 get_system_support_dir(string const & abs_binary,
 455                   string const & command_line_system_support_dir)
 456 {
 457         string const chkconfig_ltx = "chkconfig.ltx";
 458
 459         // searched_dirs is used for diagnostic purposes only in the case
 460         // that "chkconfig.ltx" is not found.
 461         std::list<string> searched_dirs;
 462
 463         // 1. Use the -sysdir command line parameter.
 464         string path = abs_path_from_command_line(command_line_system_support_dir);
 465         if (!path.empty()) {
 466                 searched_dirs.push_back(path);
 467                 if (check_command_line_dir(path, chkconfig_ltx, "-sysdir"))
 468                         return path;
 469         }
 470
 471         // 2. Use the "LYX_DIR_14x" environment variable.
 472         path = extract_env_var_dir("LYX_DIR_14x");
 473         if (!path.empty()) {
 474                 searched_dirs.push_back(path);
 475                 if (check_env_var_dir(path, chkconfig_ltx, "LYX_DIR_14x"))
 476                         return path;
 477         }
 478
 479         // 3. Search relative to the lyx binary.
 480         // We're looking for "chkconfig.ltx" in a directory
 481         //   OnlyPath(abs_binary) / <relative dir> / PACKAGE /
 482         // PACKAGE is hardcoded in config.h. Eg "lyx" or "lyx-1.3.6cvs".
 483         // <relative dir> is OS-dependent; on Unix, it will be "../share/".
 484         string const relative_lyxdir = relative_system_support_dir();
 485
 486         // One subtlety to be aware of. The name of the lyx binary may be
 487         // a symbolic link. If that is the case, then we follow the links too.
 488         string binary = abs_binary;
 489         while (true) {
 490                 // Try and find "chkconfig.ltx".
 491                 string const binary_dir = onlyPath(binary);
 492
 493                 string const lyxdir =
 494                         normalizePath(addPath(binary_dir, relative_lyxdir));
 495                 searched_dirs.push_back(lyxdir);
 496
 497                 if (!fileSearch(lyxdir, chkconfig_ltx).empty()) {
 498                         // Success! "chkconfig.ltx" has been found.
 499                         return lyxdir;
 500                 }
 501
 502                 // Check whether binary is a symbolic link.
 503                 // If so, resolve it and repeat the exercise.
 504                 if (!fs::symbolic_link_exists(binary))
 505                         break;
 506
 507                 string link;
 508                 if (readLink(binary, link, true)) {
 509                         binary = link;
 510                 } else {
 511                         // Unable to resolve the link.
 512                         break;
 513                 }
 514         }
 515
 516         // 4. Repeat the exercise on the directory itself.
 517         string binary_dir = onlyPath(abs_binary);
 518         while (true) {
 519                 // This time test whether the directory is a symbolic link
 520                 // *before* looking for "chkconfig.ltx".
 521                 // (We've looked relative to the original already.)
 522                 if (!fs::symbolic_link_exists(binary))
 523                         break;
 524
 525                 string link;
 526                 if (readLink(binary_dir, link, true)) {
 527                         binary_dir = link;
 528                 } else {
 529                         // Unable to resolve the link.
 530                         break;
 531                 }
 532
 533                 // Try and find "chkconfig.ltx".
 534                 string const lyxdir =
 535                         normalizePath(addPath(binary_dir, relative_lyxdir));
 536                 searched_dirs.push_back(lyxdir);
 537
 538                 if (!fileSearch(lyxdir, chkconfig_ltx).empty()) {
 539                         // Success! "chkconfig.ltx" has been found.
 540                         return lyxdir;
 541                 }
 542         }
 543
 544         // 5. In desparation, try the hard-coded system support dir.
 545         path = hardcoded_system_support_dir();
 546         if (!fileSearch(path, chkconfig_ltx).empty())
 547                 return path;
 548
 549         // Everything has failed :-(
 550         // So inform the user and exit.
 551         string searched_dirs_str;
 552         typedef std::list<string>::const_iterator iterator;
 553         iterator const begin = searched_dirs.begin();
 554         iterator const end = searched_dirs.end();
 555         for (iterator it = begin; it != end; ++it) {
 556                 if (it != begin)
 557                         searched_dirs_str += "\n\t";
 558                 searched_dirs_str += *it;
 559         }
 560
 561         // FIXME UNICODE
 562         lyxerr << lyx::to_utf8(bformat(_("Unable to determine the system directory "
 563                                          "having searched\n"
 564                                          "\t%1$s\n"
 565                                          "Use the '-sysdir' command line parameter or "
 566                                          "set the environment variable LYX_DIR_14x to "
 567                                          "the LyX system directory containing the file "
 568                                          "`chkconfig.ltx'."),
 569                           lyx::from_utf8(searched_dirs_str)))
 570                << std::endl;
 571
 572         bail_out();
 573         // Keep the compiler happy.
 574         return string();
 575 }
 576
 577
 578 // Returns the absolute path to the user lyxdir, together with a flag
 579 // indicating whether this directory was specified explicitly (as -userdir
 580 // or through an environment variable) or whether it was deduced.
 581 std::pair<string, bool> const
 582 get_user_support_dir(string const & default_user_support_dir,
 583                      string const & command_line_user_support_dir)
 584 {
 585         bool explicit_userdir = true;
 586
 587         // 1. Use the -userdir command line parameter.
 588         string path =
 589                 abs_path_from_command_line(command_line_user_support_dir);
 590         if (!path.empty())
 591                 return std::make_pair(path, explicit_userdir);
 592
 593         // 2. Use the LYX_USERDIR_14x environment variable.
 594         path = extract_env_var_dir("LYX_USERDIR_14x");
 595         if (!path.empty())
 596                 return std::make_pair(path, explicit_userdir);
 597
 598         // 3. Use the OS-dependent default_user_support_dir
 599         explicit_userdir = false;
 600         return std::make_pair(default_user_support_dir, explicit_userdir);
 601 }
 602
 603
 604 // $HOME/.lyx on POSIX but on Win32 it will be something like
 605 // "C:/Documents and Settings/USERNAME/Application Data/LyX"
 606 string const get_default_user_support_dir(string const & home_dir)
 607 {
 608 #if defined (USE_WINDOWS_PACKAGING)
 609         (void)home_dir; // Silence warning about unused variable.
 610
 611         os::GetFolderPath win32_folder_path;
 612         return addPath(win32_folder_path(os::GetFolderPath::APPDATA), PACKAGE);
 613
 614 #elif defined (USE_MACOSX_PACKAGING)
 615         (void)home_dir; // Silence warning about unused variable.
 616
 617         FSRef fsref;
 618         OSErr const error_code =
 619                 FSFindFolder(kUserDomain, kApplicationSupportFolderType,
 620                              kDontCreateFolder, &fsref);
 621         if (error_code != 0)
 622                 return string();
 623
 624         char store[PATH_MAX + 1];
 625         OSStatus const status_code =
 626                 FSRefMakePath(&fsref,
 627                               reinterpret_cast<UInt8*>(store), PATH_MAX);
 628         if (status_code != 0)
 629                 return string();
 630
 631         return addPath(reinterpret_cast<char const *>(store), PACKAGE);
 632
 633 #else // USE_POSIX_PACKAGING
 634         return addPath(home_dir, string(".") + PACKAGE);
 635 #endif
 636 }
 637
 638
 639 // Check that directory @c dir contains @c file.
 640 // Else emit a warning about an invalid @c command_line_switch.
 641 bool check_command_line_dir(string const & dir,
 642                             string const & file,
 643                             string const & command_line_switch)
 644 {
 645         FileName const abs_path = fileSearch(dir, file);
 646         if (abs_path.empty()) {
 647                 // FIXME UNICODE
 648                 lyxerr << lyx::to_utf8(bformat(_("Invalid %1$s switch.\n"
 649                                                  "Directory %2$s does not contain %3$s."),
 650                                   lyx::from_utf8(command_line_switch), lyx::from_utf8(dir),
 651                                   lyx::from_utf8(file)))
 652                        << std::endl;
 653         }
 654
 655         return !abs_path.empty();
 656 }
 657
 658
 659 // The environment variable @c env_var expands to a (single) file path.
 660 string const extract_env_var_dir(string const & env_var)
 661 {
 662         string const dir = os::internal_path(getEnv(env_var));
 663         return dir.empty() ? dir : makeAbsPath(dir);
 664 }
 665
 666
 667 // Check that directory @c dir contains @c file.
 668 // Else emit a warning about an invalid @c env_var.
 669 bool check_env_var_dir(string const & dir,
 670                        string const & file,
 671                        string const & env_var)
 672 {
 673         FileName const abs_path = fileSearch(dir, file);
 674         if (abs_path.empty()) {
 675                 // FIXME UNICODE
 676                 lyxerr << lyx::to_utf8(bformat(_("Invalid %1$s environment variable.\n"
 677                                                  "Directory %2$s does not contain %3$s."),
 678                                   lyx::from_utf8(env_var), lyx::from_utf8(dir), lyx::from_utf8(file)))
 679                        << std::endl;
 680         }
 681
 682         return !abs_path.empty();
 683 }
 684
 685
 686 // Check that directory @c dir is indeed a directory.
 687 // Else emit a warning about an invalid @c env_var.
 688 bool check_env_var_dir(string const & dir,
 689                        string const & env_var)
 690 {
 691         bool const success = (fs::exists(dir) && fs::is_directory(dir));
 692
 693         if (!success) {
 694                 // Put this string on a single line so that the gettext
 695                 // search mechanism in po/Makefile.in.in will register
 696                 // package.C.in as a file containing strings that need
 697                 // translation.
 698                 // FIXME UNICODE
 699                 docstring const fmt =
 700                         _("Invalid %1$s environment variable.\n%2$s is not a directory.");
 701
 702                 lyxerr << lyx::to_utf8(bformat(fmt, lyx::from_utf8(env_var), lyx::from_utf8(dir)))
 703                        << std::endl;
 704         }
 705
 706         return success;
 707 }
 708
 709
 710 // The locale directory relative to the LyX system directory.
 711 string const relative_locale_dir()
 712 {
 713 #if defined (USE_WINDOWS_PACKAGING) || defined (USE_MACOSX_PACKAGING)
 714         return "locale/";
 715 #else
 716         return "../locale/";
 717 #endif
 718 }
 719
 720
 721 // The system lyxdir is relative to the directory containing the LyX binary.
 722 string const relative_system_support_dir()
 723 {
 724         string result;
 725
 726 #if defined (USE_WINDOWS_PACKAGING) || defined (USE_MACOSX_PACKAGING)
 727         result = "../Resources/";
 728 #else // Posix-like.
 729         result = addPath("../share/", PACKAGE);
 730 #endif
 731
 732         return result;
 733 }
 734
 735 } // namespace anon
 736
 737 } // namespace support
 738 } // namespace lyx