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         if (prefixIs(cmd, "pdf")) // Do we use pdflatex ?
  75                 depfile += "-pdf";
  76 }
  77
  78
  79 void LaTeX::deleteFilesOnError() const
  80 {
  81         // currently just a dummy function.
  82
  83         // What files do we have to delete?
  84
  85         // This will at least make latex do all the runs
  86         ::unlink(depfile.c_str());
  87
  88         // but the reason for the error might be in a generated file...
  89
  90         string ofname = OnlyFilename(file);
  91
  92         // bibtex file
  93         string bbl = ChangeExtension(ofname, ".bbl");
  94         ::unlink(bbl.c_str());
  95
  96         // makeindex file
  97         string ind = ChangeExtension(ofname, ".ind");
  98         ::unlink(ind.c_str());
  99
 100         // Also remove the aux file
 101         string aux = ChangeExtension(ofname, ".aux");
 102         ::unlink(aux.c_str());
 103 }
 104
 105
 106 int LaTeX::run(TeXErrors & terr, MiniBuffer * minib)
 107         // We know that this function will only be run if the lyx buffer
 108         // has been changed. We also know that a newly written .tex file
 109         // is always different from the previous one because of the date
 110         // in it. However it seems safe to run latex (at least) on time each
 111         // time the .tex file changes.
 112 {
 113         int scanres = LaTeX::NO_ERRORS;
 114         unsigned int count = 0; // number of times run
 115         num_errors = 0; // just to make sure.
 116         const unsigned int MAX_RUN = 6;
 117         DepTable head; // empty head
 118         bool rerun = false; // rerun requested
 119
 120         // The class LaTeX does not know the temp path.
 121         bufferlist.updateIncludedTeXfiles(GetCWD());
 122
 123         // Never write the depfile if an error was encountered.
 124
 125         // 0
 126         // first check if the file dependencies exist:
 127         //     ->If it does exist
 128         //             check if any of the files mentioned in it have
 129         //             changed (done using a checksum).
 130         //                 -> if changed:
 131         //                        run latex once and
 132         //                        remake the dependency file
 133         //                 -> if not changed:
 134         //                        just return there is nothing to do for us.
 135         //     ->if it doesn't exist
 136         //             make it and
 137         //             run latex once (we need to run latex once anyway) and
 138         //             remake the dependency file.
 139         //
 140         FileInfo fi(depfile);
 141         bool run_bibtex = false;
 142         if (fi.exist()) {
 143                 // Read the dep file:
 144                 head.read(depfile);
 145                 // Update the checksums
 146                 head.update();
 147
 148                 lyxerr[Debug::DEPEND] << "Dependency file exists" << endl;
 149                 if (head.sumchange()) {
 150                         ++count;
 151                         lyxerr[Debug::DEPEND]
 152                                 << "Dependency file has changed" << endl;
 153                         lyxerr[Debug::LATEX]
 154                                 << "Run #" << count << endl;
 155                         minib->Set(string(_("LaTeX run number ")) + tostr(count));
 156                         minib->Store();
 157                         this->operator()();
 158                         scanres = scanLogFile(terr);
 159                         if (scanres & LaTeX::ERRORS) {
 160                                 deleteFilesOnError();
 161                                 return scanres; // return on error
 162                         }
 163
 164                         run_bibtex = scanAux(head);
 165                         if (run_bibtex)
 166                                 lyxerr[Debug::DEPEND]
 167                                         << "Bibtex demands rerun" << endl;
 168                 } else {
 169                         lyxerr[Debug::DEPEND] << "return no_change" << endl;
 170                         return LaTeX::NO_CHANGE;
 171                 }
 172         } else {
 173                 ++count;
 174                 lyxerr[Debug::DEPEND]
 175                         << "Dependency file does not exist" << endl;
 176
 177                 lyxerr[Debug::LATEX]
 178                         << "Run #" << count << endl;
 179                 head.insert(file, true);
 180                 minib->Set(string(_("LaTeX run number ")) + tostr(count));
 181                 minib->Store();
 182                 this->operator()();
 183                 scanres = scanLogFile(terr);
 184                 if (scanres & LaTeX::ERRORS) {
 185                         deleteFilesOnError();
 186                         return scanres; // return on error
 187                 }
 188
 189         }
 190
 191         // update the dependencies.
 192         deplog(head); // reads the latex log
 193         head.update();
 194
 195         // 0.5
 196         // At this point we must run external programs if needed.
 197         // makeindex will be run if a .idx file changed or was generated.
 198         // And if there were undefined citations or changes in references
 199         // the .aux file is checked for signs of bibtex. Bibtex is then run
 200         // if needed.
 201
 202         // run makeindex
 203         if (head.haschanged(OnlyFilename(ChangeExtension(file, ".idx")))) {
 204                 // no checks for now
 205                 lyxerr[Debug::LATEX] << "Running MakeIndex." << endl;
 206                 minib->Set(_("Running MakeIndex."));
 207                 minib->Store();
 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                 minib->Set(_("Running BibTeX."));
 221                 minib->Store();
 222                 rerun = runBibTeX(OnlyFilename(ChangeExtension(file, ".aux")),
 223                                   head);
 224         }
 225
 226         // 1
 227         // we know on this point that latex has been run once (or we just
 228         // returned) and the question now is to decide if we need to run
 229         // it any more. This is done by asking if any of the files in the
 230         // dependency file has changed. (remember that the checksum for
 231         // a given file is reported to have changed if it just was created)
 232         //     -> if changed or rerun == true:
 233         //             run latex once more and
 234         //             update the dependency structure
 235         //     -> if not changed:
 236         //             we does nothing at this point
 237         //
 238         if (rerun || head.sumchange()) {
 239                 rerun = false;
 240                 ++count;
 241                 lyxerr[Debug::DEPEND]
 242                         << "Dep. file has changed or rerun requested" << endl;
 243                 lyxerr[Debug::LATEX]
 244                         << "Run #" << count << endl;
 245                 minib->Set(string(_("LaTeX run number ")) + tostr(count));
 246                 minib->Store();
 247                 this->operator()();
 248                 scanres = scanLogFile(terr);
 249                 if (scanres & LaTeX::ERRORS) {
 250                         deleteFilesOnError();
 251                         return scanres; // return on error
 252                 }
 253
 254                 // update the depedencies
 255                 deplog(head); // reads the latex log
 256                 head.update();
 257         } else {
 258                 lyxerr[Debug::DEPEND] << "Dep. file has NOT changed" << endl;
 259         }
 260
 261         // 1.5
 262         // The inclusion of files generated by external programs like
 263         // makeindex or bibtex might have done changes to pagenumbereing,
 264         // etc. And because of this we must run the external programs
 265         // again to make sure everything is redone correctly.
 266         // Also there should be no need to run the external programs any
 267         // more after this.
 268
 269         // run makeindex if the <file>.idx has changed or was generated.
 270         if (head.haschanged(OnlyFilename(ChangeExtension(file, ".idx")))) {
 271                 // no checks for now
 272                 lyxerr[Debug::LATEX] << "Running MakeIndex." << endl;
 273                 minib->Set(_("Running MakeIndex."));
 274                 minib->Store();
 275                 rerun = runMakeIndex(OnlyFilename(ChangeExtension(file, ".idx")));
 276         }
 277
 278         // 2
 279         // we will only run latex more if the log file asks for it.
 280         // or if the sumchange() is true.
 281         //     -> rerun asked for:
 282         //             run latex and
 283         //             remake the dependency file
 284         //             goto 2 or return if max runs are reached.
 285         //     -> rerun not asked for:
 286         //             just return (fall out of bottom of func)
 287         //
 288         while ((head.sumchange() || rerun || (scanres & LaTeX::RERUN))
 289                && count < MAX_RUN) {
 290                 // Yes rerun until message goes away, or until
 291                 // MAX_RUNS are reached.
 292                 rerun = false;
 293                 ++count;
 294                 lyxerr[Debug::LATEX] << "Run #" << count << endl;
 295                 minib->Set(string(_("LaTeX run number ")) + tostr(count));
 296                 minib->Store();
 297                 this->operator()();
 298                 scanres = scanLogFile(terr);
 299                 if (scanres & LaTeX::ERRORS) {
 300                         deleteFilesOnError();
 301                         return scanres; // return on error
 302                 }
 303
 304                 // keep this updated
 305                 head.update();
 306         }
 307
 308         // Write the dependencies to file.
 309         head.write(depfile);
 310         lyxerr[Debug::LATEX] << "Done." << endl;
 311         return scanres;
 312 }
 313
 314
 315 int LaTeX::operator()()
 316 {
 317 #ifndef __EMX__
 318         string tmp = cmd + ' ' + QuoteName(file) + " > /dev/null";
 319 #else // cmd.exe (OS/2) causes SYS0003 error at "/dev/null"
 320         string tmp = cmd + ' ' + file + " > nul";
 321 #endif
 322         Systemcalls one;
 323         return one.startscript(Systemcalls::System, tmp);
 324 }
 325
 326
 327 bool LaTeX::runMakeIndex(string const & f)
 328 {
 329         lyxerr[Debug::LATEX] << "idx file has been made,"
 330                 " running makeindex on file "
 331                              <<  f << endl;
 332
 333         // It should be possible to set the switches for makeindex
 334         // sorting style and such. It would also be very convenient
 335         // to be able to make style files from within LyX. This has
 336         // to come for a later time. (0.13 perhaps?)
 337         string tmp = "makeindex -c -q ";
 338         tmp += f;
 339         Systemcalls one;
 340         one.startscript(Systemcalls::System, tmp);
 341         return true;
 342 }
 343
 344
 345 bool LaTeX::scanAux(DepTable & dep)
 346 {
 347         // if any of the bib file has changed we don't have to
 348         // check the .aux file.
 349         if (dep.extchanged(".bib")
 350             || dep.extchanged(".bst")) return true;
 351
 352         string aux = OnlyFilename(ChangeExtension(file, ".aux"));
 353         ifstream ifs(aux.c_str());
 354         string token;
 355         LRegex reg1("\\\\bibdata\\{([^}]+)\\}");
 356         LRegex reg2("\\\\bibstyle\\{([^}]+)\\}");
 357         while (getline(ifs, token)) {
 358                 if (reg1.exact_match(token)) {
 359                         LRegex::SubMatches sub = reg1.exec(token);
 360                         string data = LSubstring(token, sub[1].first,
 361                                                  sub[1].second);
 362                         string::size_type b;
 363                         do {
 364                                 b = data.find_first_of(',', 0);
 365                                 string l;
 366                                 if (b == string::npos)
 367                                         l = data;
 368                                 else {
 369                                         l = data.substr( 0, b - 0);
 370                                         data.erase(0, b + 1);
 371                                 }
 372                                 string full_l =
 373                                         findtexfile(
 374                                                 ChangeExtension(l, "bib"), "bib");
 375                                 if (!full_l.empty()) {
 376                                         if (!dep.exist(full_l))
 377                                                 return true;
 378                                 }
 379                         } while (b != string::npos);
 380                 } else if (reg2.exact_match(token)) {
 381                         LRegex::SubMatches sub = reg2.exec(token);
 382                         string style = LSubstring(token, sub[1].first,
 383                                                   sub[1].second);
 384                         // token is now the style file
 385                         // pass it to the helper
 386                         string full_l =
 387                                 findtexfile(
 388                                         ChangeExtension(style, "bst"),
 389                                         "bst");
 390                         if (!full_l.empty()) {
 391                                 if (!dep.exist(full_l))
 392                                         return true;
 393                         }
 394                 }
 395         }
 396         return false;
 397 }
 398
 399
 400 bool LaTeX::runBibTeX(string const & f, DepTable & dep)
 401 {
 402         // Since a run of Bibtex mandates more latex runs it is ok to
 403         // remove all ".bib" and ".bst" files, it is also required to
 404         // discover style and database changes.
 405         dep.remove_files_with_extension(".bib");
 406         dep.remove_files_with_extension(".bst");
 407         ifstream ifs(f.c_str());
 408         string token;
 409         bool using_bibtex = false;
 410         LRegex reg1("\\\\bibdata\\{([^}]+)\\}");
 411         LRegex reg2("\\\\bibstyle\\{([^}]+)\\}");
 412         while (getline(ifs, token)) {
 413                 if (reg1.exact_match(token)) {
 414                         using_bibtex = true;
 415                         LRegex::SubMatches const & sub = reg1.exec(token);
 416                         string data = LSubstring(token, sub[1].first,
 417                                                  sub[1].second);
 418                         // data is now all the bib files separated by ','
 419                         // get them one by one and pass them to the helper
 420                         string::size_type b;
 421                         do {
 422                                 b = data.find_first_of(',', 0);
 423                                 string l;
 424                                 if (b == string::npos)
 425                                         l = data;
 426                                 else {
 427                                         l = data.substr(0, b - 0);
 428                                         data.erase(0, b + 1);
 429                                 }
 430                                 string full_l =
 431                                         findtexfile(
 432                                                 ChangeExtension(l, "bib"),
 433                                                 "bib");
 434                                 lyxerr[Debug::LATEX] << "Bibtex database: `"
 435                                                      << full_l << "'" << endl;
 436                                 if (!full_l.empty()) {
 437                                         // add full_l to the dep file.
 438                                         dep.insert(full_l, true);
 439                                 }
 440                         } while (b != string::npos);
 441                 } else if (reg2.exact_match(token)) {
 442                         using_bibtex = true;
 443                         LRegex::SubMatches const & sub = reg2.exec(token);
 444                         string style = LSubstring(token, sub[1].first,
 445                                                   sub[1].second);
 446                         // token is now the style file
 447                         // pass it to the helper
 448                         string full_l =
 449                                 findtexfile(
 450                                         ChangeExtension(style, "bst"),
 451                                         "bst");
 452                         lyxerr[Debug::LATEX] << "Bibtex style: `"
 453                                              << full_l << "'" << endl;
 454                         if (!full_l.empty()) {
 455                                 // add full_l to the dep file.
 456                                 dep.insert(full_l, true);
 457                         }
 458                 }
 459         }
 460         if (using_bibtex) {
 461                 // run bibtex and
 462                 string tmp = "bibtex ";
 463                 tmp += OnlyFilename(ChangeExtension(file, string()));
 464                 Systemcalls one;
 465                 one.startscript(Systemcalls::System, tmp);
 466                 return true;
 467         }
 468         // bibtex was not run.
 469         return false;
 470 }
 471
 472
 473 int LaTeX::scanLogFile(TeXErrors & terr)
 474 {
 475         int last_line = -1;
 476         int line_count = 1;
 477         int retval = NO_ERRORS;
 478         string tmp = OnlyFilename(ChangeExtension(file, ".log"));
 479         lyxerr[Debug::LATEX] << "Log file: " << tmp << endl;
 480         ifstream ifs(tmp.c_str());
 481
 482         string token;
 483         while (getline(ifs, token)) {
 484                 lyxerr[Debug::LATEX] << "Log line: " << token << endl;
 485
 486                 if (token.empty())
 487                         continue;
 488
 489                 if (prefixIs(token, "LaTeX Warning:")) {
 490                         // Here shall we handle different
 491                         // types of warnings
 492                         retval |= LATEX_WARNING;
 493                         lyxerr[Debug::LATEX] << "LaTeX Warning." << endl;
 494                         if (contains(token, "Rerun to get cross-references")) {
 495                                 retval |= RERUN;
 496                                 lyxerr[Debug::LATEX]
 497                                         << "We should rerun." << endl;
 498                         } else if (contains(token, "Citation")
 499                                    && contains(token, "on page")
 500                                    && contains(token, "undefined")) {
 501                                 retval |= UNDEF_CIT;
 502                         }
 503                 } else if (prefixIs(token, "Package")) {
 504                         // Package warnings
 505                         retval |= PACKAGE_WARNING;
 506                         if (contains(token, "natbib Warning:")) {
 507                                 // Natbib warnings
 508                                 if (contains(token, "Citation")
 509                                     && contains(token, "on page")
 510                                     && contains(token, "undefined")) {
 511                                         retval |= UNDEF_CIT;
 512                                 }
 513                         } else if (contains(token, "Rerun LaTeX.")) {
 514                                 // at least longtable.sty might use this.
 515                                 retval |= RERUN;
 516                         }
 517                 } else if (prefixIs(token, "! ")) {
 518                         // Ok, we have something that looks like a TeX Error
 519                         // but what do we really have.
 520
 521                         // Just get the error description:
 522                         string desc(token, 2);
 523                         if (contains(token, "LaTeX Error:"))
 524                                 retval |= LATEX_ERROR;
 525                         // get the next line
 526                         string tmp;
 527                         int count = 0;
 528                         do {
 529                                 if (!getline(ifs, tmp))
 530                                         break;
 531                                 if (++count > 10)
 532                                         break;
 533                         } while (!prefixIs(tmp, "l."));
 534                         if (prefixIs(tmp, "l.")) {
 535                                 // we have a latex error
 536                                 retval |=  TEX_ERROR;
 537                                 // get the line number:
 538                                 int line = 0;
 539                                 sscanf(tmp.c_str(), "l.%d", &line);
 540                                 // get the rest of the message:
 541                                 string errstr(tmp, tmp.find(' '));
 542                                 errstr += '\n';
 543                                 getline(ifs, tmp);
 544                                 while (!contains(errstr, "l.")
 545                                        && !tmp.empty()
 546                                        && !prefixIs(tmp, "! ")
 547                                        && !contains(tmp, "(job aborted")) {
 548                                         errstr += tmp;
 549                                         errstr += "\n";
 550                                         getline(ifs, tmp);
 551                                 }
 552                                 lyxerr[Debug::LATEX]
 553                                         << "line: " << line << '\n'
 554                                         << "Desc: " << desc << '\n'
 555                                         << "Text: " << errstr << endl;
 556                                 if (line == last_line)
 557                                         ++line_count;
 558                                 else {
 559                                         line_count = 1;
 560                                         last_line = line;
 561                                 }
 562                                 if (line_count <= 5) {
 563                                         terr.insertError(line, desc, errstr);
 564                                         ++num_errors;
 565                                 }
 566                         }
 567                 } else {
 568                         // information messages, TeX warnings and other
 569                         // warnings we have not caught earlier.
 570                         if (prefixIs(token, "Overfull ")) {
 571                                 retval |= TEX_WARNING;
 572                         } else if (prefixIs(token, "Underfull ")) {
 573                                 retval |= TEX_WARNING;
 574                         } else if (contains(token, "Rerun to get citations")) {
 575                                 // Natbib seems to use this.
 576                                 retval |= RERUN;
 577                         } else if (contains(token, "No pages of output")) {
 578                                 // A dvi file was not created
 579                                 retval |= NO_OUTPUT;
 580                         } else if (contains(token, "That makes 100 errors")) {
 581                                 // More than 100 errors were reprted
 582                                 retval |= TOO_MANY_ERRORS;
 583                         }
 584                 }
 585         }
 586         lyxerr[Debug::LATEX] << "Log line: " << token << endl;
 587         return retval;
 588 }
 589
 590
 591 void LaTeX::deplog(DepTable & head)
 592 {
 593         // This function reads the LaTeX log file end extracts all the external
 594         // files used by the LaTeX run. The files are then entered into the
 595         // dependency file.
 596
 597         string logfile = OnlyFilename(ChangeExtension(file, ".log"));
 598
 599         LRegex reg1(")* *\\(([^ ]+).*");
 600         LRegex reg2("File: ([^ ]+).*");
 601         LRegex reg3("No file ([^ ]+)\\..*");
 602         LRegex reg4("\\\\openout[0-9]+.*=.*`([^ ]+)'\\..*");
 603         LRegex unwanted("^.*\\.(aux|log|dvi|bbl|ind|glo)$");
 604
 605         ifstream ifs(logfile.c_str());
 606         while (ifs) {
 607                 // Ok, the scanning of files here is not sufficient.
 608                 // Sometimes files are named by "File: xxx" only
 609                 // So I think we should use some regexps to find files instead.
 610                 // "(\([^ ]+\)"   should match the "(file " variant
 611                 // "File: \([^ ]+\)" should match the "File: file" variant
 612                 string foundfile;
 613                 string token;
 614                 getline(ifs, token);
 615                 if (token.empty()) continue;
 616
 617                 if (reg1.exact_match(token)) {
 618                         LRegex::SubMatches const & sub = reg1.exec(token);
 619                         foundfile = LSubstring(token, sub[1].first,
 620                                                sub[1].second);
 621                 } else if (reg2.exact_match(token)) {
 622                         LRegex::SubMatches const & sub = reg2.exec(token);
 623                         foundfile = LSubstring(token, sub[1].first,
 624                                                sub[1].second);
 625                 } else if (reg3.exact_match(token)) {
 626                         LRegex::SubMatches const & sub = reg3.exec(token);
 627                         foundfile = LSubstring(token, sub[1].first,
 628                                                sub[1].second);
 629                 } else if (reg4.exact_match(token)) {
 630                         LRegex::SubMatches const & sub = reg4.exec(token);
 631                         foundfile = LSubstring(token, sub[1].first,
 632                                                sub[1].second);
 633                 } else {
 634                         continue;
 635                 }
 636
 637                 lyxerr[Debug::DEPEND] << "Found file: "
 638                                       << foundfile << endl;
 639
 640                 // Ok now we found a file.
 641                 // Now we should make sure that this is a file that we can
 642                 // access through the normal paths.
 643                 // We will not try any fance search methods to
 644                 // find the file.
 645
 646                 // (1) foundfile is an
 647                 //     absolute path and should
 648                 //     be inserted.
 649                 if (AbsolutePath(foundfile)) {
 650                         lyxerr[Debug::DEPEND] << "AbsolutePath file: "
 651                                               << foundfile << endl;
 652                         // On inital insert we want to do the update at once
 653                         // since this file can not be a file generated by
 654                         // the latex run.
 655                         head.insert(foundfile, true);
 656                         continue;
 657                 }
 658
 659                 // (2) foundfile is in the tmpdir
 660                 //     insert it into head
 661                 if (FileInfo(OnlyFilename(foundfile)).exist()) {
 662                         if (unwanted.exact_match(foundfile)) {
 663                                 lyxerr[Debug::DEPEND]
 664                                         << "We don't want "
 665                                         << OnlyFilename(foundfile)
 666                                         << " in the dep file"
 667                                         << endl;
 668                         } else if (suffixIs(foundfile, ".tex")) {
 669                                 // This is a tex file generated by LyX
 670                                 // and latex is not likely to change this
 671                                 // during its runs.
 672                                 lyxerr[Debug::DEPEND]
 673                                         << "Tmpdir TeX file: "
 674                                         << OnlyFilename(foundfile)
 675                                         << endl;
 676                                 head.insert(foundfile, true);
 677                         } else {
 678                                 lyxerr[Debug::DEPEND]
 679                                         << "In tmpdir file:"
 680                                         << OnlyFilename(foundfile)
 681                                         << endl;
 682                                 head.insert(OnlyFilename(foundfile));
 683                         }
 684                         continue;
 685                 }
 686                 lyxerr[Debug::DEPEND]
 687                         << "Not a file or we are unable to find it."
 688                         << endl;
 689         }
 690 }