src/LaTeX.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *           Copyright 1995 Matthias Ettrich
   6  *           Copyright 1995-2000 The LyX Team.
   7  *
   8  *           This file is Copyright 1996-2000
   9  *           Lars Gullik Bjønnes
  10  *
  11  * ======================================================
  12  */
  13
  14 #include <config.h>
  15
  16 #ifdef __GNUG__
  17 #pragma implementation
  18 #endif
  19 #include <fstream>
  20
  21 #include "support/filetools.h"
  22 #include "LaTeX.h"
  23 #include "support/FileInfo.h"
  24 #include "debug.h"
  25 #include "support/lyxlib.h"
  26 #include "support/syscall.h"
  27 #include "support/syscontr.h"
  28 #include "support/path.h"
  29 #include "support/LRegex.h"
  30 #include "support/LSubstring.h"
  31 #include "bufferlist.h"
  32 #include "minibuffer.h"
  33 #include "gettext.h"
  34 #include "lyx_gui_misc.h"
  35
  36 using std::ifstream;
  37 using std::getline;
  38 using std::endl;
  39
  40 // TODO: in no particular order
  41 // - get rid of the extern BufferList and the call to
  42 //   BufferList::updateIncludedTeXfiles, this should either
  43 //   be done before calling LaTeX::funcs or in a completely
  44 //   different way.
  45 // - the bibtex command options should be supported.
  46 // - the makeindex style files should be taken care of with
  47 //   the dependency mechanism.
  48 // - makeindex commandline options should be supported
  49 // - somewhere support viewing of bibtex and makeindex log files.
  50 // - we should perhaps also scan the bibtex log file
  51 // - we should perhaps also scan the bibtex log file
  52
  53 extern BufferList bufferlist;
  54
  55 /*
  56  * CLASS TEXERRORS
  57  */
  58
  59 void TeXErrors::insertError(int line, string const & error_desc,
  60                             string const & error_text)
  61 {
  62         Error newerr(line, error_desc, error_text);
  63         errors.push_back(newerr);
  64 }
  65
  66 /*
  67  * CLASS LaTeX
  68  */
  69
  70 LaTeX::LaTeX(string const & latex, string const & f, string const & p)
  71                 : cmd(latex), file(f), path(p)
  72 {
  73         num_errors = 0;
  74         depfile = file + ".dep";
  75         if (prefixIs(cmd, "pdf")) // Do we use pdflatex ?
  76                 depfile += "-pdf";
  77 }
  78
  79
  80 void LaTeX::deleteFilesOnError() const
  81 {
  82         // currently just a dummy function.
  83
  84         // What files do we have to delete?
  85
  86         // This will at least make latex do all the runs
  87         lyx::unlink(depfile);
  88
  89         // but the reason for the error might be in a generated file...
  90
  91         string ofname = OnlyFilename(file);
  92
  93         // bibtex file
  94         string bbl = ChangeExtension(ofname, ".bbl");
  95         lyx::unlink(bbl);
  96
  97         // makeindex file
  98         string ind = ChangeExtension(ofname, ".ind");
  99         lyx::unlink(ind);
 100
 101         // Also remove the aux file
 102         string aux = ChangeExtension(ofname, ".aux");
 103         lyx::unlink(aux);
 104 }
 105
 106
 107 int LaTeX::run(TeXErrors & terr, MiniBuffer * minib)
 108         // We know that this function will only be run if the lyx buffer
 109         // has been changed. We also know that a newly written .tex file
 110         // is always different from the previous one because of the date
 111         // in it. However it seems safe to run latex (at least) on time each
 112         // time the .tex file changes.
 113 {
 114         int scanres = LaTeX::NO_ERRORS;
 115         unsigned int count = 0; // number of times run
 116         num_errors = 0; // just to make sure.
 117         const unsigned int MAX_RUN = 6;
 118         DepTable head; // empty head
 119         bool rerun = false; // rerun requested
 120
 121         // The class LaTeX does not know the temp path.
 122         bufferlist.updateIncludedTeXfiles(lyx::getcwd()); //GetCWD());
 123
 124         // Never write the depfile if an error was encountered.
 125
 126         // 0
 127         // first check if the file dependencies exist:
 128         //     ->If it does exist
 129         //             check if any of the files mentioned in it have
 130         //             changed (done using a checksum).
 131         //                 -> if changed:
 132         //                        run latex once and
 133         //                        remake the dependency file
 134         //                 -> if not changed:
 135         //                        just return there is nothing to do for us.
 136         //     ->if it doesn't exist
 137         //             make it and
 138         //             run latex once (we need to run latex once anyway) and
 139         //             remake the dependency file.
 140         //
 141         FileInfo fi(depfile);
 142         bool run_bibtex = false;
 143         if (fi.exist()) {
 144                 // Read the dep file:
 145                 head.read(depfile);
 146                 // Update the checksums
 147                 head.update();
 148
 149                 lyxerr[Debug::DEPEND] << "Dependency file exists" << endl;
 150                 if (head.sumchange()) {
 151                         ++count;
 152                         lyxerr[Debug::DEPEND]
 153                                 << "Dependency file has changed" << endl;
 154                         lyxerr[Debug::LATEX]
 155                                 << "Run #" << count << endl;
 156                         WriteStatus(minib,
 157                                     string(_("LaTeX run number ")) + tostr(count));
 158                         this->operator()();
 159                         scanres = scanLogFile(terr);
 160                         if (scanres & LaTeX::ERRORS) {
 161                                 deleteFilesOnError();
 162                                 return scanres; // return on error
 163                         }
 164
 165                         run_bibtex = scanAux(head);
 166                         if (run_bibtex)
 167                                 lyxerr[Debug::DEPEND]
 168                                         << "Bibtex demands rerun" << endl;
 169                 } else {
 170                         lyxerr[Debug::DEPEND] << "return no_change" << endl;
 171                         return LaTeX::NO_CHANGE;
 172                 }
 173         } else {
 174                 ++count;
 175                 lyxerr[Debug::DEPEND]
 176                         << "Dependency file does not exist" << endl;
 177
 178                 lyxerr[Debug::LATEX]
 179                         << "Run #" << count << endl;
 180                 head.insert(file, true);
 181                 WriteStatus(minib,
 182                             string(_("LaTeX run number ")) + tostr(count));
 183                 this->operator()();
 184                 scanres = scanLogFile(terr);
 185                 if (scanres & LaTeX::ERRORS) {
 186                         deleteFilesOnError();
 187                         return scanres; // return on error
 188                 }
 189
 190         }
 191
 192         // update the dependencies.
 193         deplog(head); // reads the latex log
 194         head.update();
 195
 196         // 0.5
 197         // At this point we must run external programs if needed.
 198         // makeindex will be run if a .idx file changed or was generated.
 199         // And if there were undefined citations or changes in references
 200         // the .aux file is checked for signs of bibtex. Bibtex is then run
 201         // if needed.
 202
 203         // run makeindex
 204         if (head.haschanged(OnlyFilename(ChangeExtension(file, ".idx")))) {
 205                 // no checks for now
 206                 lyxerr[Debug::LATEX] << "Running MakeIndex." << endl;
 207                 WriteStatus(minib, _("Running MakeIndex."));
 208                 rerun = runMakeIndex(OnlyFilename(ChangeExtension(file, ".idx")));
 209         }
 210
 211         // run bibtex
 212         if (scanres & LaTeX::UNDEF_CIT
 213             || scanres & LaTeX::RERUN
 214             || run_bibtex) {
 215                 // Here we must scan the .aux file and look for
 216                 // "\bibdata" and/or "\bibstyle". If one of those
 217                 // tags is found -> run bibtex and set rerun = true;
 218                 // no checks for now
 219                 lyxerr[Debug::LATEX] << "Running BibTeX." << endl;
 220                 WriteStatus(minib, _("Running BibTeX."));
 221                 rerun = runBibTeX(OnlyFilename(ChangeExtension(file, ".aux")),
 222                                   head);
 223         }
 224
 225         // 1
 226         // we know on this point that latex has been run once (or we just
 227         // returned) and the question now is to decide if we need to run
 228         // it any more. This is done by asking if any of the files in the
 229         // dependency file has changed. (remember that the checksum for
 230         // a given file is reported to have changed if it just was created)
 231         //     -> if changed or rerun == true:
 232         //             run latex once more and
 233         //             update the dependency structure
 234         //     -> if not changed:
 235         //             we does nothing at this point
 236         //
 237         if (rerun || head.sumchange()) {
 238                 rerun = false;
 239                 ++count;
 240                 lyxerr[Debug::DEPEND]
 241                         << "Dep. file has changed or rerun requested" << endl;
 242                 lyxerr[Debug::LATEX]
 243                         << "Run #" << count << endl;
 244                 WriteStatus(minib,
 245                             string(_("LaTeX run number ")) + tostr(count));
 246                 this->operator()();
 247                 scanres = scanLogFile(terr);
 248                 if (scanres & LaTeX::ERRORS) {
 249                         deleteFilesOnError();
 250                         return scanres; // return on error
 251                 }
 252
 253                 // update the depedencies
 254                 deplog(head); // reads the latex log
 255                 head.update();
 256         } else {
 257                 lyxerr[Debug::DEPEND] << "Dep. file has NOT changed" << endl;
 258         }
 259
 260         // 1.5
 261         // The inclusion of files generated by external programs like
 262         // makeindex or bibtex might have done changes to pagenumbereing,
 263         // etc. And because of this we must run the external programs
 264         // again to make sure everything is redone correctly.
 265         // Also there should be no need to run the external programs any
 266         // more after this.
 267
 268         // run makeindex if the <file>.idx has changed or was generated.
 269         if (head.haschanged(OnlyFilename(ChangeExtension(file, ".idx")))) {
 270                 // no checks for now
 271                 lyxerr[Debug::LATEX] << "Running MakeIndex." << endl;
 272                 WriteStatus(minib, _("Running MakeIndex."));
 273                 rerun = runMakeIndex(OnlyFilename(ChangeExtension(file, ".idx")));
 274         }
 275
 276         // 2
 277         // we will only run latex more if the log file asks for it.
 278         // or if the sumchange() is true.
 279         //     -> rerun asked for:
 280         //             run latex and
 281         //             remake the dependency file
 282         //             goto 2 or return if max runs are reached.
 283         //     -> rerun not asked for:
 284         //             just return (fall out of bottom of func)
 285         //
 286         while ((head.sumchange() || rerun || (scanres & LaTeX::RERUN))
 287                && count < MAX_RUN) {
 288                 // Yes rerun until message goes away, or until
 289                 // MAX_RUNS are reached.
 290                 rerun = false;
 291                 ++count;
 292                 lyxerr[Debug::LATEX] << "Run #" << count << endl;
 293                 WriteStatus(minib, string(_("LaTeX run number ")) + tostr(count));
 294                 this->operator()();
 295                 scanres = scanLogFile(terr);
 296                 if (scanres & LaTeX::ERRORS) {
 297                         deleteFilesOnError();
 298                         return scanres; // return on error
 299                 }
 300
 301                 // keep this updated
 302                 head.update();
 303         }
 304
 305         // Write the dependencies to file.
 306         head.write(depfile);
 307         lyxerr[Debug::LATEX] << "Done." << endl;
 308         return scanres;
 309 }
 310
 311
 312 int LaTeX::operator()()
 313 {
 314 #ifndef __EMX__
 315         string tmp = cmd + ' ' + QuoteName(file) + " > /dev/null";
 316 #else // cmd.exe (OS/2) causes SYS0003 error at "/dev/null"
 317         string tmp = cmd + ' ' + file + " > nul";
 318 #endif
 319         Systemcalls one;
 320         return one.startscript(Systemcalls::System, tmp);
 321 }
 322
 323
 324 bool LaTeX::runMakeIndex(string const & f)
 325 {
 326         lyxerr[Debug::LATEX] << "idx file has been made,"
 327                 " running makeindex on file "
 328                              <<  f << endl;
 329
 330         // It should be possible to set the switches for makeindex
 331         // sorting style and such. It would also be very convenient
 332         // to be able to make style files from within LyX. This has
 333         // to come for a later time. (0.13 perhaps?)
 334         string tmp = "makeindex -c -q ";
 335         tmp += f;
 336         Systemcalls one;
 337         one.startscript(Systemcalls::System, tmp);
 338         return true;
 339 }
 340
 341
 342 bool LaTeX::scanAux(DepTable & dep)
 343 {
 344         // if any of the bib file has changed we don't have to
 345         // check the .aux file.
 346         if (dep.extchanged(".bib")
 347             || dep.extchanged(".bst")) return true;
 348
 349         string aux = OnlyFilename(ChangeExtension(file, ".aux"));
 350         ifstream ifs(aux.c_str());
 351         string token;
 352         LRegex reg1("\\\\bibdata\\{([^}]+)\\}");
 353         LRegex reg2("\\\\bibstyle\\{([^}]+)\\}");
 354         while (getline(ifs, token)) {
 355                 if (reg1.exact_match(token)) {
 356                         LRegex::SubMatches sub = reg1.exec(token);
 357                         string data = LSubstring(token, sub[1].first,
 358                                                  sub[1].second);
 359                         string::size_type b;
 360                         do {
 361                                 b = data.find_first_of(',', 0);
 362                                 string l;
 363                                 if (b == string::npos)
 364                                         l = data;
 365                                 else {
 366                                         l = data.substr( 0, b - 0);
 367                                         data.erase(0, b + 1);
 368                                 }
 369                                 string full_l =
 370                                         findtexfile(
 371                                                 ChangeExtension(l, "bib"), "bib");
 372                                 if (!full_l.empty()) {
 373                                         if (!dep.exist(full_l))
 374                                                 return true;
 375                                 }
 376                         } while (b != string::npos);
 377                 } else if (reg2.exact_match(token)) {
 378                         LRegex::SubMatches sub = reg2.exec(token);
 379                         string style = LSubstring(token, sub[1].first,
 380                                                   sub[1].second);
 381                         // token is now the style file
 382                         // pass it to the helper
 383                         string full_l =
 384                                 findtexfile(
 385                                         ChangeExtension(style, "bst"),
 386                                         "bst");
 387                         if (!full_l.empty()) {
 388                                 if (!dep.exist(full_l))
 389                                         return true;
 390                         }
 391                 }
 392         }
 393         return false;
 394 }
 395
 396
 397 bool LaTeX::runBibTeX(string const & f, DepTable & dep)
 398 {
 399         // Since a run of Bibtex mandates more latex runs it is ok to
 400         // remove all ".bib" and ".bst" files, it is also required to
 401         // discover style and database changes.
 402         dep.remove_files_with_extension(".bib");
 403         dep.remove_files_with_extension(".bst");
 404         ifstream ifs(f.c_str());
 405         string token;
 406         bool using_bibtex = false;
 407         LRegex reg1("\\\\bibdata\\{([^}]+)\\}");
 408         LRegex reg2("\\\\bibstyle\\{([^}]+)\\}");
 409         while (getline(ifs, token)) {
 410                 if (reg1.exact_match(token)) {
 411                         using_bibtex = true;
 412                         LRegex::SubMatches const & sub = reg1.exec(token);
 413                         string data = LSubstring(token, sub[1].first,
 414                                                  sub[1].second);
 415                         // data is now all the bib files separated by ','
 416                         // get them one by one and pass them to the helper
 417                         string::size_type b;
 418                         do {
 419                                 b = data.find_first_of(',', 0);
 420                                 string l;
 421                                 if (b == string::npos)
 422                                         l = data;
 423                                 else {
 424                                         l = data.substr(0, b - 0);
 425                                         data.erase(0, b + 1);
 426                                 }
 427                                 string full_l =
 428                                         findtexfile(
 429                                                 ChangeExtension(l, "bib"),
 430                                                 "bib");
 431                                 lyxerr[Debug::LATEX] << "Bibtex database: `"
 432                                                      << full_l << "'" << endl;
 433                                 if (!full_l.empty()) {
 434                                         // add full_l to the dep file.
 435                                         dep.insert(full_l, true);
 436                                 }
 437                         } while (b != string::npos);
 438                 } else if (reg2.exact_match(token)) {
 439                         using_bibtex = true;
 440                         LRegex::SubMatches const & sub = reg2.exec(token);
 441                         string style = LSubstring(token, sub[1].first,
 442                                                   sub[1].second);
 443                         // token is now the style file
 444                         // pass it to the helper
 445                         string full_l =
 446                                 findtexfile(
 447                                         ChangeExtension(style, "bst"),
 448                                         "bst");
 449                         lyxerr[Debug::LATEX] << "Bibtex style: `"
 450                                              << full_l << "'" << endl;
 451                         if (!full_l.empty()) {
 452                                 // add full_l to the dep file.
 453                                 dep.insert(full_l, true);
 454                         }
 455                 }
 456         }
 457         if (using_bibtex) {
 458                 // run bibtex and
 459                 string tmp = "bibtex ";
 460                 tmp += OnlyFilename(ChangeExtension(file, string()));
 461                 Systemcalls one;
 462                 one.startscript(Systemcalls::System, tmp);
 463                 return true;
 464         }
 465         // bibtex was not run.
 466         return false;
 467 }
 468
 469
 470 int LaTeX::scanLogFile(TeXErrors & terr)
 471 {
 472         int last_line = -1;
 473         int line_count = 1;
 474         int retval = NO_ERRORS;
 475         string tmp = OnlyFilename(ChangeExtension(file, ".log"));
 476         lyxerr[Debug::LATEX] << "Log file: " << tmp << endl;
 477         ifstream ifs(tmp.c_str());
 478
 479         string token;
 480         while (getline(ifs, token)) {
 481                 lyxerr[Debug::LATEX] << "Log line: " << token << endl;
 482
 483                 if (token.empty())
 484                         continue;
 485
 486                 if (prefixIs(token, "LaTeX Warning:")) {
 487                         // Here shall we handle different
 488                         // types of warnings
 489                         retval |= LATEX_WARNING;
 490                         lyxerr[Debug::LATEX] << "LaTeX Warning." << endl;
 491                         if (contains(token, "Rerun to get cross-references")) {
 492                                 retval |= RERUN;
 493                                 lyxerr[Debug::LATEX]
 494                                         << "We should rerun." << endl;
 495                         } else if (contains(token, "Citation")
 496                                    && contains(token, "on page")
 497                                    && contains(token, "undefined")) {
 498                                 retval |= UNDEF_CIT;
 499                         }
 500                 } else if (prefixIs(token, "Package")) {
 501                         // Package warnings
 502                         retval |= PACKAGE_WARNING;
 503                         if (contains(token, "natbib Warning:")) {
 504                                 // Natbib warnings
 505                                 if (contains(token, "Citation")
 506                                     && contains(token, "on page")
 507                                     && contains(token, "undefined")) {
 508                                         retval |= UNDEF_CIT;
 509                                 }
 510                         } else if (contains(token, "Rerun LaTeX.")) {
 511                                 // at least longtable.sty might use this.
 512                                 retval |= RERUN;
 513                         }
 514                 } else if (prefixIs(token, "! ")) {
 515                         // Ok, we have something that looks like a TeX Error
 516                         // but what do we really have.
 517
 518                         // Just get the error description:
 519                         string desc(token, 2);
 520                         if (contains(token, "LaTeX Error:"))
 521                                 retval |= LATEX_ERROR;
 522                         // get the next line
 523                         string tmp;
 524                         int count = 0;
 525                         do {
 526                                 if (!getline(ifs, tmp))
 527                                         break;
 528                                 if (++count > 10)
 529                                         break;
 530                         } while (!prefixIs(tmp, "l."));
 531                         if (prefixIs(tmp, "l.")) {
 532                                 // we have a latex error
 533                                 retval |=  TEX_ERROR;
 534                                 // get the line number:
 535                                 int line = 0;
 536                                 sscanf(tmp.c_str(), "l.%d", &line);
 537                                 // get the rest of the message:
 538                                 string errstr(tmp, tmp.find(' '));
 539                                 errstr += '\n';
 540                                 getline(ifs, tmp);
 541                                 while (!contains(errstr, "l.")
 542                                        && !tmp.empty()
 543                                        && !prefixIs(tmp, "! ")
 544                                        && !contains(tmp, "(job aborted")) {
 545                                         errstr += tmp;
 546                                         errstr += "\n";
 547                                         getline(ifs, tmp);
 548                                 }
 549                                 lyxerr[Debug::LATEX]
 550                                         << "line: " << line << '\n'
 551                                         << "Desc: " << desc << '\n'
 552                                         << "Text: " << errstr << endl;
 553                                 if (line == last_line)
 554                                         ++line_count;
 555                                 else {
 556                                         line_count = 1;
 557                                         last_line = line;
 558                                 }
 559                                 if (line_count <= 5) {
 560                                         terr.insertError(line, desc, errstr);
 561                                         ++num_errors;
 562                                 }
 563                         }
 564                 } else {
 565                         // information messages, TeX warnings and other
 566                         // warnings we have not caught earlier.
 567                         if (prefixIs(token, "Overfull ")) {
 568                                 retval |= TEX_WARNING;
 569                         } else if (prefixIs(token, "Underfull ")) {
 570                                 retval |= TEX_WARNING;
 571                         } else if (contains(token, "Rerun to get citations")) {
 572                                 // Natbib seems to use this.
 573                                 retval |= RERUN;
 574                         } else if (contains(token, "No pages of output")) {
 575                                 // A dvi file was not created
 576                                 retval |= NO_OUTPUT;
 577                         } else if (contains(token, "That makes 100 errors")) {
 578                                 // More than 100 errors were reprted
 579                                 retval |= TOO_MANY_ERRORS;
 580                         }
 581                 }
 582         }
 583         lyxerr[Debug::LATEX] << "Log line: " << token << endl;
 584         return retval;
 585 }
 586
 587
 588 void LaTeX::deplog(DepTable & head)
 589 {
 590         // This function reads the LaTeX log file end extracts all the external
 591         // files used by the LaTeX run. The files are then entered into the
 592         // dependency file.
 593
 594         string logfile = OnlyFilename(ChangeExtension(file, ".log"));
 595
 596         LRegex reg1(")* *\\(([^ \\)]+).*");
 597         LRegex reg2("File: ([^ ]+).*");
 598         LRegex reg3("No file ([^ ]+)\\..*");
 599         LRegex reg4("\\\\openout[0-9]+.*=.*`([^ ]+)'\\..*");
 600         LRegex unwanted("^.*\\.(aux|log|dvi|bbl|ind|glo)$");
 601
 602         ifstream ifs(logfile.c_str());
 603         while (ifs) {
 604                 // Ok, the scanning of files here is not sufficient.
 605                 // Sometimes files are named by "File: xxx" only
 606                 // So I think we should use some regexps to find files instead.
 607                 // "(\([^ ]+\)"   should match the "(file " variant
 608                 // "File: \([^ ]+\)" should match the "File: file" variant
 609                 string foundfile;
 610                 string token;
 611                 getline(ifs, token);
 612                 if (token.empty()) continue;
 613
 614                 if (reg1.exact_match(token)) {
 615                         LRegex::SubMatches const & sub = reg1.exec(token);
 616                         foundfile = LSubstring(token, sub[1].first,
 617                                                sub[1].second);
 618                 } else if (reg2.exact_match(token)) {
 619                         LRegex::SubMatches const & sub = reg2.exec(token);
 620                         foundfile = LSubstring(token, sub[1].first,
 621                                                sub[1].second);
 622                 } else if (reg3.exact_match(token)) {
 623                         LRegex::SubMatches const & sub = reg3.exec(token);
 624                         foundfile = LSubstring(token, sub[1].first,
 625                                                sub[1].second);
 626                 } else if (reg4.exact_match(token)) {
 627                         LRegex::SubMatches const & sub = reg4.exec(token);
 628                         foundfile = LSubstring(token, sub[1].first,
 629                                                sub[1].second);
 630                 } else {
 631                         continue;
 632                 }
 633
 634                 lyxerr[Debug::DEPEND] << "Found file: "
 635                                       << foundfile << endl;
 636
 637                 // Ok now we found a file.
 638                 // Now we should make sure that this is a file that we can
 639                 // access through the normal paths.
 640                 // We will not try any fancy search methods to
 641                 // find the file.
 642
 643                 // (1) foundfile is an
 644                 //     absolute path and should
 645                 //     be inserted.
 646                 if (AbsolutePath(foundfile)) {
 647                         lyxerr[Debug::DEPEND] << "AbsolutePath file: "
 648                                               << foundfile << endl;
 649                         // On initial insert we want to do the update at once
 650                         // since this file can not be a file generated by
 651                         // the latex run.
 652                         head.insert(foundfile, true);
 653                         continue;
 654                 }
 655
 656                 // (2) foundfile is in the tmpdir
 657                 //     insert it into head
 658                 if (FileInfo(OnlyFilename(foundfile)).exist()) {
 659                         if (unwanted.exact_match(foundfile)) {
 660                                 lyxerr[Debug::DEPEND]
 661                                         << "We don't want "
 662                                         << OnlyFilename(foundfile)
 663                                         << " in the dep file"
 664                                         << endl;
 665                         } else if (suffixIs(foundfile, ".tex")) {
 666                                 // This is a tex file generated by LyX
 667                                 // and latex is not likely to change this
 668                                 // during its runs.
 669                                 lyxerr[Debug::DEPEND]
 670                                         << "Tmpdir TeX file: "
 671                                         << OnlyFilename(foundfile)
 672                                         << endl;
 673                                 head.insert(foundfile, true);
 674                         } else {
 675                                 lyxerr[Debug::DEPEND]
 676                                         << "In tmpdir file:"
 677                                         << OnlyFilename(foundfile)
 678                                         << endl;
 679                                 head.insert(OnlyFilename(foundfile));
 680                         }
 681                         continue;
 682                 }
 683                 lyxerr[Debug::DEPEND]
 684                         << "Not a file or we are unable to find it."
 685                         << endl;
 686         }
 687 }