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
  35 using std::ifstream;
  36 using std::getline;
  37 using std::endl;
  38
  39 // TODO: in no particular order
  40 // - get rid of the extern BufferList and the call to
  41 //   BufferList::updateIncludedTeXfiles, this should either
  42 //   be done before calling LaTeX::funcs or in a completely
  43 //   different way.
  44 // - the bibtex command options should be supported.
  45 // - the makeindex style files should be taken care of with
  46 //   the dependency mechanism.
  47 // - makeindex commandline options should be supported
  48 // - somewhere support viewing of bibtex and makeindex log files.
  49 // - we should perhaps also scan the bibtex log file
  50 // - we should perhaps also scan the bibtex log file
  51
  52 extern BufferList bufferlist;
  53
  54 /*
  55  * CLASS TEXERRORS
  56  */
  57
  58 void TeXErrors::insertError(int line, string const & error_desc,
  59                             string const & error_text)
  60 {
  61         Error newerr(line, error_desc, error_text);
  62         errors.push_back(newerr);
  63 }
  64
  65 /*
  66  * CLASS LaTeX
  67  */
  68
  69 LaTeX::LaTeX(string const & latex, string const & f, string const & p)
  70                 : cmd(latex), file(f), path(p)
  71 {
  72         num_errors = 0;
  73         depfile = file + ".dep";
  74 }
  75
  76
  77 void LaTeX::deleteFilesOnError() const
  78 {
  79         // currently just a dummy function.
  80
  81         // What files do we have to delete?
  82
  83         // This will at least make latex do all the runs
  84         ::unlink(depfile.c_str());
  85
  86         // but the reason for the error might be in a generated file...
  87
  88         string ofname = OnlyFilename(file);
  89
  90         // bibtex file
  91         string bbl = ChangeExtension(ofname, ".bbl");
  92         ::unlink(bbl.c_str());
  93
  94         // makeindex file
  95         string ind = ChangeExtension(ofname, ".ind");
  96         ::unlink(ind.c_str());
  97
  98         // Also remove the aux file
  99         string aux = ChangeExtension(ofname, ".aux");
 100         ::unlink(aux.c_str());
 101 }
 102
 103
 104 int LaTeX::run(TeXErrors & terr, MiniBuffer * minib)
 105         // We know that this function will only be run if the lyx buffer
 106         // has been changed. We also know that a newly written .tex file
 107         // is always different from the previous one because of the date
 108         // in it. However it seems safe to run latex (at least) on time each
 109         // time the .tex file changes.
 110 {
 111         int scanres = LaTeX::NO_ERRORS;
 112         unsigned int count = 0; // number of times run
 113         num_errors = 0; // just to make sure.
 114         const unsigned int MAX_RUN = 6;
 115         DepTable head; // empty head
 116         bool rerun = false; // rerun requested
 117
 118         // The class LaTeX does not know the temp path.
 119         bufferlist.updateIncludedTeXfiles(GetCWD());
 120
 121         // Never write the depfile if an error was encountered.
 122
 123         // 0
 124         // first check if the file dependencies exist:
 125         //     ->If it does exist
 126         //             check if any of the files mentioned in it have
 127         //             changed (done using a checksum).
 128         //                 -> if changed:
 129         //                        run latex once and
 130         //                        remake the dependency file
 131         //                 -> if not changed:
 132         //                        just return there is nothing to do for us.
 133         //     ->if it doesn't exist
 134         //             make it and
 135         //             run latex once (we need to run latex once anyway) and
 136         //             remake the dependency file.
 137         //
 138         FileInfo fi(depfile);
 139         bool run_bibtex = false;
 140         if (fi.exist()) {
 141                 // Read the dep file:
 142                 head.read(depfile);
 143                 // Update the checksums
 144                 head.update();
 145
 146                 lyxerr[Debug::DEPEND] << "Dependency file exists" << endl;
 147                 if (head.sumchange()) {
 148                         ++count;
 149                         lyxerr[Debug::DEPEND]
 150                                 << "Dependency file has changed" << endl;
 151                         lyxerr[Debug::LATEX]
 152                                 << "Run #" << count << endl;
 153                         minib->Set(string(_("LaTeX run number ")) + tostr(count));
 154                         minib->Store();
 155                         this->operator()();
 156                         scanres = scanLogFile(terr);
 157                         if (scanres & LaTeX::ERRORS) {
 158                                 deleteFilesOnError();
 159                                 return scanres; // return on error
 160                         }
 161
 162                         run_bibtex = scanAux(head);
 163                         if (run_bibtex)
 164                                 lyxerr[Debug::DEPEND]
 165                                         << "Bibtex demands rerun" << endl;
 166                 } else {
 167                         lyxerr[Debug::DEPEND] << "return no_change" << endl;
 168                         return LaTeX::NO_CHANGE;
 169                 }
 170         } else {
 171                 ++count;
 172                 lyxerr[Debug::DEPEND]
 173                         << "Dependency file does not exist" << endl;
 174
 175                 lyxerr[Debug::LATEX]
 176                         << "Run #" << count << endl;
 177                 head.insert(file, true);
 178                 minib->Set(string(_("LaTeX run number ")) + tostr(count));
 179                 minib->Store();
 180                 this->operator()();
 181                 scanres = scanLogFile(terr);
 182                 if (scanres & LaTeX::ERRORS) {
 183                         deleteFilesOnError();
 184                         return scanres; // return on error
 185                 }
 186
 187         }
 188
 189         // update the dependencies.
 190         deplog(head); // reads the latex log
 191         head.update();
 192
 193         // 0.5
 194         // At this point we must run external programs if needed.
 195         // makeindex will be run if a .idx file changed or was generated.
 196         // And if there were undefined citations or changes in references
 197         // the .aux file is checked for signs of bibtex. Bibtex is then run
 198         // if needed.
 199
 200         // run makeindex
 201         if (head.haschanged(OnlyFilename(ChangeExtension(file, ".idx")))) {
 202                 // no checks for now
 203                 lyxerr[Debug::LATEX] << "Running MakeIndex." << endl;
 204                 minib->Set(_("Running MakeIndex."));
 205                 minib->Store();
 206                 rerun = runMakeIndex(OnlyFilename(ChangeExtension(file, ".idx")));
 207         }
 208
 209         // run bibtex
 210         if (scanres & LaTeX::UNDEF_CIT
 211             || scanres & LaTeX::RERUN
 212             || run_bibtex) {
 213                 // Here we must scan the .aux file and look for
 214                 // "\bibdata" and/or "\bibstyle". If one of those
 215                 // tags is found -> run bibtex and set rerun = true;
 216                 // no checks for now
 217                 lyxerr[Debug::LATEX] << "Running BibTeX." << endl;
 218                 minib->Set(_("Running BibTeX."));
 219                 minib->Store();
 220                 rerun = runBibTeX(OnlyFilename(ChangeExtension(file, ".aux")),
 221                                   head);
 222         }
 223
 224         // 1
 225         // we know on this point that latex has been run once (or we just
 226         // returned) and the question now is to decide if we need to run
 227         // it any more. This is done by asking if any of the files in the
 228         // dependency file has changed. (remember that the checksum for
 229         // a given file is reported to have changed if it just was created)
 230         //     -> if changed or rerun == true:
 231         //             run latex once more and
 232         //             update the dependency structure
 233         //     -> if not changed:
 234         //             we does nothing at this point
 235         //
 236         if (rerun || head.sumchange()) {
 237                 rerun = false;
 238                 ++count;
 239                 lyxerr[Debug::DEPEND]
 240                         << "Dep. file has changed or rerun requested" << endl;
 241                 lyxerr[Debug::LATEX]
 242                         << "Run #" << count << endl;
 243                 minib->Set(string(_("LaTeX run number ")) + tostr(count));
 244                 minib->Store();
 245                 this->operator()();
 246                 scanres = scanLogFile(terr);
 247                 if (scanres & LaTeX::ERRORS) {
 248                         deleteFilesOnError();
 249                         return scanres; // return on error
 250                 }
 251
 252                 // update the depedencies
 253                 deplog(head); // reads the latex log
 254                 head.update();
 255         } else {
 256                 lyxerr[Debug::DEPEND] << "Dep. file has NOT changed" << endl;
 257         }
 258
 259         // 1.5
 260         // The inclusion of files generated by external programs like
 261         // makeindex or bibtex might have done changes to pagenumbereing,
 262         // etc. And because of this we must run the external programs
 263         // again to make sure everything is redone correctly.
 264         // Also there should be no need to run the external programs any
 265         // more after this.
 266
 267         // run makeindex if the <file>.idx has changed or was generated.
 268         if (head.haschanged(OnlyFilename(ChangeExtension(file, ".idx")))) {
 269                 // no checks for now
 270                 lyxerr[Debug::LATEX] << "Running MakeIndex." << endl;
 271                 minib->Set(_("Running MakeIndex."));
 272                 minib->Store();
 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                 minib->Set(string(_("LaTeX run number ")) + tostr(count));
 294                 minib->Store();
 295                 this->operator()();
 296                 scanres = scanLogFile(terr);
 297                 if (scanres & LaTeX::ERRORS) {
 298                         deleteFilesOnError();
 299                         return scanres; // return on error
 300                 }
 301
 302                 // keep this updated
 303                 head.update();
 304         }
 305
 306         // Write the dependencies to file.
 307         head.write(depfile);
 308         lyxerr[Debug::LATEX] << "Done." << endl;
 309         return scanres;
 310 }
 311
 312
 313 int LaTeX::operator()()
 314 {
 315 #ifndef __EMX__
 316         string tmp = cmd + ' ' + QuoteName(file) + " > /dev/null";
 317 #else // cmd.exe (OS/2) causes SYS0003 error at "/dev/null"
 318         string tmp = cmd + ' ' + file + " > nul";
 319 #endif
 320         Systemcalls one;
 321         return one.startscript(Systemcalls::System, tmp);
 322 }
 323
 324
 325 bool LaTeX::runMakeIndex(string const & f)
 326 {
 327         lyxerr[Debug::LATEX] << "idx file has been made,"
 328                 " running makeindex on file "
 329                              <<  f << endl;
 330
 331         // It should be possible to set the switches for makeindex
 332         // sorting style and such. It would also be very convenient
 333         // to be able to make style files from within LyX. This has
 334         // to come for a later time. (0.13 perhaps?)
 335         string tmp = "makeindex -c -q ";
 336         tmp += f;
 337         Systemcalls one;
 338         one.startscript(Systemcalls::System, tmp);
 339         return true;
 340 }
 341
 342
 343 bool LaTeX::scanAux(DepTable & dep)
 344 {
 345         // if any of the bib file has changed we don't have to
 346         // check the .aux file.
 347         if (dep.extchanged(".bib")
 348             || dep.extchanged(".bst")) return true;
 349
 350         string aux = OnlyFilename(ChangeExtension(file, ".aux"));
 351         ifstream ifs(aux.c_str());
 352         string token;
 353         LRegex reg1("\\\\bibdata\\{([^}]+)\\}");
 354         LRegex reg2("\\\\bibstyle\\{([^}]+)\\}");
 355         while (getline(ifs, token)) {
 356                 if (reg1.exact_match(token)) {
 357                         LRegex::SubMatches sub = reg1.exec(token);
 358                         string data = LSubstring(token, sub[1].first,
 359                                                  sub[1].second);
 360                         string::size_type b;
 361                         do {
 362                                 b = data.find_first_of(',', 0);
 363                                 string l;
 364                                 if (b == string::npos)
 365                                         l = data;
 366                                 else {
 367                                         l = data.substr( 0, b - 0);
 368                                         data.erase(0, b + 1);
 369                                 }
 370                                 string full_l =
 371                                         findtexfile(
 372                                                 ChangeExtension(l, "bib"), "bib");
 373                                 if (!full_l.empty()) {
 374                                         if (!dep.exist(full_l))
 375                                                 return true;
 376                                 }
 377                         } while (b != string::npos);
 378                 } else if (reg2.exact_match(token)) {
 379                         LRegex::SubMatches sub = reg2.exec(token);
 380                         string style = LSubstring(token, sub[1].first,
 381                                                   sub[1].second);
 382                         // token is now the style file
 383                         // pass it to the helper
 384                         string full_l =
 385                                 findtexfile(
 386                                         ChangeExtension(style, "bst"),
 387                                         "bst");
 388                         if (!full_l.empty()) {
 389                                 if (!dep.exist(full_l))
 390                                         return true;
 391                         }
 392                 }
 393         }
 394         return false;
 395 }
 396
 397
 398 bool LaTeX::runBibTeX(string const & f, DepTable & dep)
 399 {
 400         // Since a run of Bibtex mandates more latex runs it is ok to
 401         // remove all ".bib" and ".bst" files, it is also required to
 402         // discover style and database changes.
 403         dep.remove_files_with_extension(".bib");
 404         dep.remove_files_with_extension(".bst");
 405         ifstream ifs(f.c_str());
 406         string token;
 407         bool using_bibtex = false;
 408         LRegex reg1("\\\\bibdata\\{([^}]+)\\}");
 409         LRegex reg2("\\\\bibstyle\\{([^}]+)\\}");
 410         while (getline(ifs, token)) {
 411                 if (reg1.exact_match(token)) {
 412                         using_bibtex = true;
 413                         LRegex::SubMatches const & sub = reg1.exec(token);
 414                         string data = LSubstring(token, sub[1].first,
 415                                                  sub[1].second);
 416                         // data is now all the bib files separated by ','
 417                         // get them one by one and pass them to the helper
 418                         string::size_type b;
 419                         do {
 420                                 b = data.find_first_of(',', 0);
 421                                 string l;
 422                                 if (b == string::npos)
 423                                         l = data;
 424                                 else {
 425                                         l = data.substr(0, b - 0);
 426                                         data.erase(0, b + 1);
 427                                 }
 428                                 string full_l =
 429                                         findtexfile(
 430                                                 ChangeExtension(l, "bib"),
 431                                                 "bib");
 432                                 lyxerr[Debug::LATEX] << "Bibtex database: `"
 433                                                      << full_l << "'" << endl;
 434                                 if (!full_l.empty()) {
 435                                         // add full_l to the dep file.
 436                                         dep.insert(full_l, true);
 437                                 }
 438                         } while (b != string::npos);
 439                 } else if (reg2.exact_match(token)) {
 440                         using_bibtex = true;
 441                         LRegex::SubMatches const & sub = reg2.exec(token);
 442                         string style = LSubstring(token, sub[1].first,
 443                                                   sub[1].second);
 444                         // token is now the style file
 445                         // pass it to the helper
 446                         string full_l =
 447                                 findtexfile(
 448                                         ChangeExtension(style, "bst"),
 449                                         "bst");
 450                         lyxerr[Debug::LATEX] << "Bibtex style: `"
 451                                              << full_l << "'" << endl;
 452                         if (!full_l.empty()) {
 453                                 // add full_l to the dep file.
 454                                 dep.insert(full_l, true);
 455                         }
 456                 }
 457         }
 458         if (using_bibtex) {
 459                 // run bibtex and
 460                 string tmp = "bibtex ";
 461                 tmp += OnlyFilename(ChangeExtension(file, string()));
 462                 Systemcalls one;
 463                 one.startscript(Systemcalls::System, tmp);
 464                 return true;
 465         }
 466         // bibtex was not run.
 467         return false;
 468 }
 469
 470
 471 int LaTeX::scanLogFile(TeXErrors & terr)
 472 {
 473         int last_line = -1;
 474         int line_count = 1;
 475         int retval = NO_ERRORS;
 476         string tmp = OnlyFilename(ChangeExtension(file, ".log"));
 477         lyxerr[Debug::LATEX] << "Log file: " << tmp << endl;
 478         ifstream ifs(tmp.c_str());
 479
 480         string token;
 481         while (getline(ifs, token)) {
 482                 lyxerr[Debug::LATEX] << "Log line: " << token << endl;
 483
 484                 if (token.empty())
 485                         continue;
 486
 487                 if (prefixIs(token, "LaTeX Warning:")) {
 488                         // Here shall we handle different
 489                         // types of warnings
 490                         retval |= LATEX_WARNING;
 491                         lyxerr[Debug::LATEX] << "LaTeX Warning." << endl;
 492                         if (contains(token, "Rerun to get cross-references")) {
 493                                 retval |= RERUN;
 494                                 lyxerr[Debug::LATEX]
 495                                         << "We should rerun." << endl;
 496                         } else if (contains(token, "Citation")
 497                                    && contains(token, "on page")
 498                                    && contains(token, "undefined")) {
 499                                 retval |= UNDEF_CIT;
 500                         }
 501                 } else if (prefixIs(token, "Package")) {
 502                         // Package warnings
 503                         retval |= PACKAGE_WARNING;
 504                         if (contains(token, "natbib Warning:")) {
 505                                 // Natbib warnings
 506                                 if (contains(token, "Citation")
 507                                     && contains(token, "on page")
 508                                     && contains(token, "undefined")) {
 509                                         retval |= UNDEF_CIT;
 510                                 }
 511                         } else if (contains(token, "Rerun LaTeX.")) {
 512                                 // at least longtable.sty might use this.
 513                                 retval |= RERUN;
 514                         }
 515                 } else if (prefixIs(token, "! ")) {
 516                         // Ok, we have something that looks like a TeX Error
 517                         // but what do we really have.
 518
 519                         // Just get the error description:
 520                         string desc(token, 2);
 521                         if (contains(token, "LaTeX Error:"))
 522                                 retval |= LATEX_ERROR;
 523                         // get the next line
 524                         string tmp;
 525                         int count = 0;
 526                         do {
 527                                 if (!getline(ifs, tmp))
 528                                         break;
 529                                 if (++count > 10)
 530                                         break;
 531                         } while (!prefixIs(tmp, "l."));
 532                         if (prefixIs(tmp, "l.")) {
 533                                 // we have a latex error
 534                                 retval |=  TEX_ERROR;
 535                                 // get the line number:
 536                                 int line = 0;
 537                                 sscanf(tmp.c_str(), "l.%d", &line);
 538                                 // get the rest of the message:
 539                                 string errstr(tmp, tmp.find(' '));
 540                                 errstr += '\n';
 541                                 getline(ifs, tmp);
 542                                 while (!contains(errstr, "l.")
 543                                        && !tmp.empty()
 544                                        && !prefixIs(tmp, "! ")
 545                                        && !contains(tmp, "(job aborted")) {
 546                                         errstr += tmp;
 547                                         errstr += "\n";
 548                                         getline(ifs, tmp);
 549                                 }
 550                                 lyxerr[Debug::LATEX]
 551                                         << "line: " << line << '\n'
 552                                         << "Desc: " << desc << '\n'
 553                                         << "Text: " << errstr << endl;
 554                                 if (line == last_line)
 555                                         ++line_count;
 556                                 else {
 557                                         line_count = 1;
 558                                         last_line = line;
 559                                 }
 560                                 if (line_count <= 5) {
 561                                         terr.insertError(line, desc, errstr);
 562                                         ++num_errors;
 563                                 }
 564                         }
 565                 } else {
 566                         // information messages, TeX warnings and other
 567                         // warnings we have not caught earlier.
 568                         if (prefixIs(token, "Overfull ")) {
 569                                 retval |= TEX_WARNING;
 570                         } else if (prefixIs(token, "Underfull ")) {
 571                                 retval |= TEX_WARNING;
 572                         } else if (contains(token, "Rerun to get citations")) {
 573                                 // Natbib seems to use this.
 574                                 retval |= RERUN;
 575                         } else if (contains(token, "No pages of output")) {
 576                                 // A dvi file was not created
 577                                 retval |= NO_OUTPUT;
 578                         } else if (contains(token, "That makes 100 errors")) {
 579                                 // More than 100 errors were reprted
 580                                 retval |= TOO_MANY_ERRORS;
 581                         }
 582                 }
 583         }
 584         lyxerr[Debug::LATEX] << "Log line: " << token << endl;
 585         return retval;
 586 }
 587
 588
 589 void LaTeX::deplog(DepTable & head)
 590 {
 591         // This function reads the LaTeX log file end extracts all the external
 592         // files used by the LaTeX run. The files are then entered into the
 593         // dependency file.
 594
 595         string logfile = OnlyFilename(ChangeExtension(file, ".log"));
 596
 597         LRegex reg1(")* *\\(([^ ]+).*");
 598         LRegex reg2("File: ([^ ]+).*");
 599         LRegex reg3("No file ([^ ]+)\\..*");
 600         LRegex reg4("\\\\openout[0-9]+.*=.*`([^ ]+)'\\..*");
 601         LRegex unwanted("^.*\\.(aux|log|dvi|bbl|ind|glo)$");
 602
 603         ifstream ifs(logfile.c_str());
 604         while (ifs) {
 605                 // Ok, the scanning of files here is not sufficient.
 606                 // Sometimes files are named by "File: xxx" only
 607                 // So I think we should use some regexps to find files instead.
 608                 // "(\([^ ]+\)"   should match the "(file " variant
 609                 // "File: \([^ ]+\)" should match the "File: file" variant
 610                 string foundfile;
 611                 string token;
 612                 getline(ifs, token);
 613                 if (token.empty()) continue;
 614
 615                 if (reg1.exact_match(token)) {
 616                         LRegex::SubMatches const & sub = reg1.exec(token);
 617                         foundfile = LSubstring(token, sub[1].first,
 618                                                sub[1].second);
 619                 } else if (reg2.exact_match(token)) {
 620                         LRegex::SubMatches const & sub = reg2.exec(token);
 621                         foundfile = LSubstring(token, sub[1].first,
 622                                                sub[1].second);
 623                 } else if (reg3.exact_match(token)) {
 624                         LRegex::SubMatches const & sub = reg3.exec(token);
 625                         foundfile = LSubstring(token, sub[1].first,
 626                                                sub[1].second);
 627                 } else if (reg4.exact_match(token)) {
 628                         LRegex::SubMatches const & sub = reg4.exec(token);
 629                         foundfile = LSubstring(token, sub[1].first,
 630                                                sub[1].second);
 631                 } else {
 632                         continue;
 633                 }
 634
 635                 lyxerr[Debug::DEPEND] << "Found file: "
 636                                       << foundfile << endl;
 637
 638                 // Ok now we found a file.
 639                 // Now we should make sure that this is a file that we can
 640                 // access through the normal paths.
 641                 // We will not try any fance search methods to
 642                 // find the file.
 643
 644                 // (1) foundfile is an
 645                 //     absolute path and should
 646                 //     be inserted.
 647                 if (AbsolutePath(foundfile)) {
 648                         lyxerr[Debug::DEPEND] << "AbsolutePath file: "
 649                                               << foundfile << endl;
 650                         // On inital insert we want to do the update at once
 651                         // since this file can not be a file generated by
 652                         // the latex run.
 653                         head.insert(foundfile, true);
 654                         continue;
 655                 }
 656
 657                 // (2) foundfile is in the tmpdir
 658                 //     insert it into head
 659                 if (FileInfo(OnlyFilename(foundfile)).exist()) {
 660                         if (unwanted.exact_match(foundfile)) {
 661                                 lyxerr[Debug::DEPEND]
 662                                         << "We don't want "
 663                                         << OnlyFilename(foundfile)
 664                                         << " in the dep file"
 665                                         << endl;
 666                         } else if (suffixIs(foundfile, ".tex")) {
 667                                 // This is a tex file generated by LyX
 668                                 // and latex is not likely to change this
 669                                 // during its runs.
 670                                 lyxerr[Debug::DEPEND]
 671                                         << "Tmpdir TeX file: "
 672                                         << OnlyFilename(foundfile)
 673                                         << endl;
 674                                 head.insert(foundfile, true);
 675                         } else {
 676                                 lyxerr[Debug::DEPEND]
 677                                         << "In tmpdir file:"
 678                                         << OnlyFilename(foundfile)
 679                                         << endl;
 680                                 head.insert(OnlyFilename(foundfile));
 681                         }
 682                         continue;
 683                 }
 684                 lyxerr[Debug::DEPEND]
 685                         << "Not a file or we are unable to find it."
 686                         << endl;
 687         }
 688 }