CMakeLua/Source/cmMakefileTargetGenerator.cxx

   1 /*=========================================================================
   2
   3   Program:   CMake - Cross-Platform Makefile Generator
   4   Module:    $RCSfile: cmMakefileTargetGenerator.cxx,v $
   5   Language:  C++
   6   Date:      $Date: 2009-03-16 20:55:58 $
   7   Version:   $Revision: 1.118 $
   8
   9   Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
  10   See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
  11
  12      This software is distributed WITHOUT ANY WARRANTY; without even
  13      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  14      PURPOSE.  See the above copyright notices for more information.
  15
  16 =========================================================================*/
  17 #include "cmMakefileTargetGenerator.h"
  18
  19 #include "cmGeneratedFileStream.h"
  20 #include "cmGlobalGenerator.h"
  21 #include "cmGlobalUnixMakefileGenerator3.h"
  22 #include "cmLocalUnixMakefileGenerator3.h"
  23 #include "cmMakefile.h"
  24 #include "cmSourceFile.h"
  25 #include "cmTarget.h"
  26 #include "cmake.h"
  27 #include "cmComputeLinkInformation.h"
  28
  29 #include "cmMakefileExecutableTargetGenerator.h"
  30 #include "cmMakefileLibraryTargetGenerator.h"
  31 #include "cmMakefileUtilityTargetGenerator.h"
  32
  33
  34 cmMakefileTargetGenerator::cmMakefileTargetGenerator(cmTarget* target)
  35 {
  36   this->BuildFileStream = 0;
  37   this->InfoFileStream = 0;
  38   this->FlagFileStream = 0;
  39   this->CustomCommandDriver = OnBuild;
  40   this->FortranModuleDirectoryComputed = false;
  41   this->Target = target;
  42   this->Makefile = this->Target->GetMakefile();
  43   this->LocalGenerator =
  44     static_cast<cmLocalUnixMakefileGenerator3*>(
  45       this->Makefile->GetLocalGenerator());
  46   this->GlobalGenerator =
  47     static_cast<cmGlobalUnixMakefileGenerator3*>(
  48       this->LocalGenerator->GetGlobalGenerator());
  49   cmake* cm = this->GlobalGenerator->GetCMakeInstance();
  50   this->NoRuleMessages = false;
  51   if(const char* ruleStatus = cm->GetProperty("RULE_MESSAGES"))
  52     {
  53     this->NoRuleMessages = cmSystemTools::IsOff(ruleStatus);
  54     }
  55 }
  56
  57 cmMakefileTargetGenerator *
  58 cmMakefileTargetGenerator::New(cmTarget *tgt)
  59 {
  60   cmMakefileTargetGenerator *result = 0;
  61
  62   switch (tgt->GetType())
  63     {
  64     case cmTarget::EXECUTABLE:
  65       result = new cmMakefileExecutableTargetGenerator(tgt);
  66       break;
  67     case cmTarget::STATIC_LIBRARY:
  68     case cmTarget::SHARED_LIBRARY:
  69     case cmTarget::MODULE_LIBRARY:
  70       result = new cmMakefileLibraryTargetGenerator(tgt);
  71       break;
  72     case cmTarget::UTILITY:
  73       result = new cmMakefileUtilityTargetGenerator(tgt);
  74       break;
  75     default:
  76       return result;
  77       // break; /* unreachable */
  78     }
  79   return result;
  80 }
  81
  82 //----------------------------------------------------------------------------
  83 void cmMakefileTargetGenerator::CreateRuleFile()
  84 {
  85   // Create a directory for this target.
  86   this->TargetBuildDirectory =
  87     this->LocalGenerator->GetTargetDirectory(*this->Target);
  88   this->TargetBuildDirectoryFull =
  89     this->LocalGenerator->ConvertToFullPath(this->TargetBuildDirectory);
  90   cmSystemTools::MakeDirectory(this->TargetBuildDirectoryFull.c_str());
  91
  92   // Construct the rule file name.
  93   this->BuildFileName = this->TargetBuildDirectory;
  94   this->BuildFileName += "/build.make";
  95   this->BuildFileNameFull = this->TargetBuildDirectoryFull;
  96   this->BuildFileNameFull += "/build.make";
  97
  98   // Construct the rule file name.
  99   this->ProgressFileName = this->TargetBuildDirectory;
 100   this->ProgressFileName += "/progress.make";
 101   this->ProgressFileNameFull = this->TargetBuildDirectoryFull;
 102   this->ProgressFileNameFull += "/progress.make";
 103
 104   // reset the progress count
 105   this->NumberOfProgressActions = 0;
 106
 107   // Open the rule file.  This should be copy-if-different because the
 108   // rules may depend on this file itself.
 109   this->BuildFileStream =
 110     new cmGeneratedFileStream(this->BuildFileNameFull.c_str());
 111   this->BuildFileStream->SetCopyIfDifferent(true);
 112   if(!this->BuildFileStream)
 113     {
 114     return;
 115     }
 116   this->LocalGenerator->WriteDisclaimer(*this->BuildFileStream);
 117   this->LocalGenerator->WriteSpecialTargetsTop(*this->BuildFileStream);
 118 }
 119
 120 //----------------------------------------------------------------------------
 121 void cmMakefileTargetGenerator::WriteTargetBuildRules()
 122 {
 123   // write the custom commands for this target
 124   // Look for files registered for cleaning in this directory.
 125   if(const char* additional_clean_files =
 126      this->Makefile->GetProperty
 127      ("ADDITIONAL_MAKE_CLEAN_FILES"))
 128     {
 129     cmSystemTools::ExpandListArgument(additional_clean_files,
 130                                       this->CleanFiles);
 131     }
 132
 133   // add custom commands to the clean rules?
 134   const char* clean_no_custom =
 135     this->Makefile->GetProperty("CLEAN_NO_CUSTOM");
 136   bool clean = cmSystemTools::IsOff(clean_no_custom);
 137
 138   // First generate the object rule files.  Save a list of all object
 139   // files for this target.
 140   const std::vector<cmSourceFile*>& sources = this->Target->GetSourceFiles();
 141   for(std::vector<cmSourceFile*>::const_iterator source = sources.begin();
 142       source != sources.end(); ++source)
 143     {
 144     cmTarget::SourceFileFlags tsFlags =
 145       this->Target->GetTargetSourceFileFlags(*source);
 146     if(cmCustomCommand* cc = (*source)->GetCustomCommand())
 147       {
 148       this->GenerateCustomRuleFile(*cc);
 149       if (clean)
 150         {
 151         const std::vector<std::string>& outputs = cc->GetOutputs();
 152         for(std::vector<std::string>::const_iterator o = outputs.begin();
 153             o != outputs.end(); ++o)
 154           {
 155           this->CleanFiles.push_back
 156             (this->Convert(o->c_str(),
 157                            cmLocalGenerator::START_OUTPUT,
 158                            cmLocalGenerator::UNCHANGED));
 159           }
 160         }
 161       }
 162     else if(tsFlags.Type != cmTarget::SourceFileTypeNormal)
 163       {
 164       this->WriteMacOSXContentRules(*(*source), tsFlags.MacFolder);
 165       }
 166     else if(!(*source)->GetPropertyAsBool("HEADER_FILE_ONLY"))
 167       {
 168       if(!this->GlobalGenerator->IgnoreFile
 169          ((*source)->GetExtension().c_str()))
 170         {
 171         // Generate this object file's rule file.
 172         this->WriteObjectRuleFiles(*(*source));
 173         }
 174       else if((*source)->GetPropertyAsBool("EXTERNAL_OBJECT"))
 175         {
 176         // This is an external object file.  Just add it.
 177         this->ExternalObjects.push_back((*source)->GetFullPath());
 178         }
 179       else
 180         {
 181         // We only get here if a source file is not an external object
 182         // and has an extension that is listed as an ignored file type
 183         // for this language.  No message or diagnosis should be
 184         // given.
 185         }
 186       }
 187     }
 188 }
 189
 190
 191 //----------------------------------------------------------------------------
 192 void cmMakefileTargetGenerator::WriteCommonCodeRules()
 193 {
 194   // Include the dependencies for the target.
 195   std::string dependFileNameFull = this->TargetBuildDirectoryFull;
 196   dependFileNameFull += "/depend.make";
 197   *this->BuildFileStream
 198     << "# Include any dependencies generated for this target.\n"
 199     << this->LocalGenerator->IncludeDirective << " "
 200     << this->Convert(dependFileNameFull.c_str(),
 201                      cmLocalGenerator::HOME_OUTPUT,
 202                      cmLocalGenerator::MAKEFILE)
 203     << "\n\n";
 204
 205   if(!this->NoRuleMessages)
 206     {
 207     // Include the progress variables for the target.
 208     *this->BuildFileStream
 209       << "# Include the progress variables for this target.\n"
 210       << this->LocalGenerator->IncludeDirective << " "
 211       << this->Convert(this->ProgressFileNameFull.c_str(),
 212                        cmLocalGenerator::HOME_OUTPUT,
 213                        cmLocalGenerator::MAKEFILE)
 214       << "\n\n";
 215     }
 216
 217   // make sure the depend file exists
 218   if (!cmSystemTools::FileExists(dependFileNameFull.c_str()))
 219     {
 220     // Write an empty dependency file.
 221     cmGeneratedFileStream depFileStream(dependFileNameFull.c_str());
 222     depFileStream
 223       << "# Empty dependencies file for " << this->Target->GetName() << ".\n"
 224       << "# This may be replaced when dependencies are built." << std::endl;
 225     }
 226
 227   // Open the flags file.  This should be copy-if-different because the
 228   // rules may depend on this file itself.
 229   this->FlagFileNameFull = this->TargetBuildDirectoryFull;
 230   this->FlagFileNameFull += "/flags.make";
 231   this->FlagFileStream =
 232     new cmGeneratedFileStream(this->FlagFileNameFull.c_str());
 233   this->FlagFileStream->SetCopyIfDifferent(true);
 234   if(!this->FlagFileStream)
 235     {
 236     return;
 237     }
 238   this->LocalGenerator->WriteDisclaimer(*this->FlagFileStream);
 239
 240   // Include the flags for the target.
 241   *this->BuildFileStream
 242     << "# Include the compile flags for this target's objects.\n"
 243     << this->LocalGenerator->IncludeDirective << " "
 244     << this->Convert(this->FlagFileNameFull.c_str(),
 245                                      cmLocalGenerator::HOME_OUTPUT,
 246                                      cmLocalGenerator::MAKEFILE)
 247     << "\n\n";
 248 }
 249
 250 //----------------------------------------------------------------------------
 251 void cmMakefileTargetGenerator::WriteTargetLanguageFlags()
 252 {
 253   // write language flags for target
 254   std::set<cmStdString> languages;
 255   this->Target->GetLanguages(languages);
 256     // put the compiler in the rules.make file so that if it changes
 257   // things rebuild
 258   for(std::set<cmStdString>::const_iterator l = languages.begin();
 259       l != languages.end(); ++l)
 260     {
 261     cmStdString compiler = "CMAKE_";
 262     compiler += *l;
 263     compiler += "_COMPILER";
 264     *this->FlagFileStream << "# compile " << l->c_str() << " with " <<
 265       this->Makefile->GetSafeDefinition(compiler.c_str()) << "\n";
 266     }
 267
 268   for(std::set<cmStdString>::const_iterator l = languages.begin();
 269       l != languages.end(); ++l)
 270     {
 271     const char *lang = l->c_str();
 272     std::string flags;
 273     std::string defines;
 274     bool shared = ((this->Target->GetType() == cmTarget::SHARED_LIBRARY) ||
 275                    (this->Target->GetType() == cmTarget::MODULE_LIBRARY));
 276
 277     // Add the export symbol definition for shared library objects.
 278     if(const char* exportMacro = this->Target->GetExportMacro())
 279       {
 280       this->LocalGenerator->AppendDefines(defines, exportMacro, lang);
 281       }
 282
 283     // Add preprocessor definitions for this target and configuration.
 284     this->LocalGenerator->AppendDefines
 285       (defines, this->Makefile->GetProperty("COMPILE_DEFINITIONS"), lang);
 286     this->LocalGenerator->AppendDefines
 287       (defines, this->Target->GetProperty("COMPILE_DEFINITIONS"), lang);
 288     std::string defPropName = "COMPILE_DEFINITIONS_";
 289     defPropName +=
 290       cmSystemTools::UpperCase(this->LocalGenerator->ConfigurationName);
 291     this->LocalGenerator->AppendDefines
 292       (defines, this->Makefile->GetProperty(defPropName.c_str()), lang);
 293     this->LocalGenerator->AppendDefines
 294       (defines, this->Target->GetProperty(defPropName.c_str()), lang);
 295
 296     // Add language-specific flags.
 297     this->LocalGenerator
 298       ->AddLanguageFlags(flags, lang,
 299                          this->LocalGenerator->ConfigurationName.c_str());
 300
 301     // Fortran-specific flags computed for this target.
 302     if(*l == "Fortran")
 303       {
 304       this->AddFortranFlags(flags);
 305       }
 306
 307     // Add shared-library flags if needed.
 308     this->LocalGenerator->AddSharedFlags(flags, lang, shared);
 309
 310     // Add include directory flags.
 311     this->LocalGenerator->
 312       AppendFlags(flags, this->LocalGenerator->GetIncludeFlags(lang));
 313     // Add include directory flags.
 314     this->LocalGenerator->
 315       AppendFlags(flags,this->GetFrameworkFlags().c_str());
 316
 317     *this->FlagFileStream << lang << "_FLAGS = " << flags << "\n\n";
 318     *this->FlagFileStream << lang << "_DEFINES = " << defines << "\n\n";
 319     }
 320
 321   // Add target-specific flags.
 322   if(this->Target->GetProperty("COMPILE_FLAGS"))
 323     {
 324     std::string flags;
 325     this->LocalGenerator->AppendFlags
 326       (flags, this->Target->GetProperty("COMPILE_FLAGS"));
 327     *this->FlagFileStream << "# TARGET_FLAGS = " << flags << "\n\n";
 328     }
 329 }
 330
 331 //----------------------------------------------------------------------------
 332 void cmMakefileTargetGenerator::WriteMacOSXContentRules(cmSourceFile& source,
 333                                                         const char* pkgloc)
 334 {
 335   // Skip OS X content when not building a Framework or Bundle.
 336   if(this->MacContentDirectory.empty())
 337     {
 338     return;
 339     }
 340
 341   // Construct the full path to the content subdirectory.
 342   std::string macdir = this->MacContentDirectory;
 343   macdir += pkgloc;
 344   cmSystemTools::MakeDirectory(macdir.c_str());
 345
 346   // Record use of this content location.  Only the first level
 347   // directory is needed.
 348   {
 349   std::string loc = pkgloc;
 350   loc = loc.substr(0, loc.find('/'));
 351   this->MacContentFolders.insert(loc);
 352   }
 353
 354   // Get the input file location.
 355   std::string input = source.GetFullPath();
 356
 357   // Get the output file location.
 358   std::string output = macdir;
 359   output += "/";
 360   output += cmSystemTools::GetFilenameName(input);
 361   this->CleanFiles.push_back(this->Convert(output.c_str(),
 362                                            cmLocalGenerator::START_OUTPUT));
 363   output = this->Convert(output.c_str(), cmLocalGenerator::HOME_OUTPUT);
 364
 365   // Create a rule to copy the content into the bundle.
 366   std::vector<std::string> depends;
 367   std::vector<std::string> commands;
 368   depends.push_back(input);
 369   std::string copyEcho = "Copying OS X content ";
 370   copyEcho += output;
 371   this->LocalGenerator->AppendEcho(commands, copyEcho.c_str(),
 372                                    cmLocalUnixMakefileGenerator3::EchoBuild);
 373   std::string copyCommand = "$(CMAKE_COMMAND) -E copy ";
 374   copyCommand += this->Convert(input.c_str(),
 375                                cmLocalGenerator::NONE,
 376                                cmLocalGenerator::SHELL);
 377   copyCommand += " ";
 378   copyCommand += this->Convert(output.c_str(),
 379                                cmLocalGenerator::NONE,
 380                                cmLocalGenerator::SHELL);
 381   commands.push_back(copyCommand);
 382   this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
 383                                       output.c_str(),
 384                                       depends, commands, false);
 385   this->ExtraFiles.insert(output);
 386 }
 387
 388 //----------------------------------------------------------------------------
 389 void cmMakefileTargetGenerator::WriteObjectRuleFiles(cmSourceFile& source)
 390 {
 391   // Identify the language of the source file.
 392   const char* lang = this->LocalGenerator->GetSourceFileLanguage(source);
 393   if(!lang)
 394     {
 395     // don't know anything about this file so skip it
 396     return;
 397     }
 398
 399   // Get the full path name of the object file.
 400   bool hasSourceExtension;
 401   std::string objNoTargetDir;
 402   std::string obj =
 403     this->LocalGenerator->GetObjectFileName(*this->Target, source,
 404                                             &objNoTargetDir,
 405                                             &hasSourceExtension);
 406
 407   // Avoid generating duplicate rules.
 408   if(this->ObjectFiles.find(obj) == this->ObjectFiles.end())
 409     {
 410     this->ObjectFiles.insert(obj);
 411     }
 412   else
 413     {
 414     cmOStringStream err;
 415     err << "Warning: Source file \""
 416         << source.GetFullPath()
 417         << "\" is listed multiple times for target \""
 418         << this->Target->GetName()
 419         << "\".";
 420     cmSystemTools::Message(err.str().c_str(), "Warning");
 421     return;
 422     }
 423
 424   // Create the directory containing the object file.  This may be a
 425   // subdirectory under the target's directory.
 426   std::string dir = cmSystemTools::GetFilenamePath(obj.c_str());
 427   cmSystemTools::MakeDirectory
 428     (this->LocalGenerator->ConvertToFullPath(dir).c_str());
 429
 430   // Save this in the target's list of object files.
 431   this->Objects.push_back(obj);
 432   this->CleanFiles.push_back(obj);
 433
 434   // TODO: Remove
 435   //std::string relativeObj
 436   //= this->LocalGenerator->GetHomeRelativeOutputPath();
 437   //relativeObj += obj;
 438
 439   // we compute some depends when writing the depend.make that we will also
 440   // use in the build.make, same with depMakeFile
 441   std::vector<std::string> depends;
 442   std::string depMakeFile;
 443
 444   // generate the build rule file
 445   this->WriteObjectBuildFile(obj, lang, source, depends);
 446
 447   // The object file should be checked for dependency integrity.
 448   std::string objFullPath = this->Makefile->GetCurrentOutputDirectory();
 449   objFullPath += "/";
 450   objFullPath += obj;
 451   objFullPath =
 452     this->Convert(objFullPath.c_str(), cmLocalGenerator::FULL);
 453   std::string srcFullPath =
 454     this->Convert(source.GetFullPath().c_str(), cmLocalGenerator::FULL);
 455   this->LocalGenerator->
 456     AddImplicitDepends(*this->Target, lang,
 457                        objFullPath.c_str(),
 458                        srcFullPath.c_str());
 459
 460   // add this to the list of objects for this local generator
 461   if(cmSystemTools::FileIsFullPath(objNoTargetDir.c_str()))
 462     {
 463     objNoTargetDir = cmSystemTools::GetFilenameName(objNoTargetDir);
 464     }
 465   cmLocalUnixMakefileGenerator3::LocalObjectInfo& info =
 466     this->LocalGenerator->LocalObjectFiles[objNoTargetDir];
 467   info.HasSourceExtension = hasSourceExtension;
 468   info.push_back(
 469     cmLocalUnixMakefileGenerator3::LocalObjectEntry(this->Target, lang)
 470     );
 471 }
 472
 473 //----------------------------------------------------------------------------
 474 void
 475 cmMakefileTargetGenerator
 476 ::WriteObjectBuildFile(std::string &obj,
 477                        const char *lang,
 478                        cmSourceFile& source,
 479                        std::vector<std::string>& depends)
 480 {
 481   this->LocalGenerator->AppendRuleDepend(depends,
 482                                          this->FlagFileNameFull.c_str());
 483
 484   // generate the depend scanning rule
 485   this->WriteObjectDependRules(source, depends);
 486
 487   std::string relativeObj = this->LocalGenerator->GetHomeRelativeOutputPath();
 488   relativeObj += obj;
 489   // Write the build rule.
 490
 491   // Build the set of compiler flags.
 492   std::string flags;
 493
 494   // Add language-specific flags.
 495   std::string langFlags = "$(";
 496   langFlags += lang;
 497   langFlags += "_FLAGS)";
 498   this->LocalGenerator->AppendFlags(flags, langFlags.c_str());
 499
 500   // Add target-specific flags.
 501   if(this->Target->GetProperty("COMPILE_FLAGS"))
 502     {
 503     std::string langIncludeExpr = "CMAKE_";
 504     langIncludeExpr += lang;
 505     langIncludeExpr += "_FLAG_REGEX";
 506     const char* regex = this->Makefile->
 507       GetDefinition(langIncludeExpr.c_str());
 508     if(regex)
 509       {
 510       cmsys::RegularExpression r(regex);
 511       std::vector<std::string> args;
 512       cmSystemTools::ParseWindowsCommandLine(
 513         this->Target->GetProperty("COMPILE_FLAGS"),
 514         args);
 515       for(std::vector<std::string>::iterator i = args.begin();
 516           i != args.end(); ++i)
 517         {
 518         if(r.find(i->c_str()))
 519           {
 520           this->LocalGenerator->AppendFlags
 521             (flags, i->c_str());
 522           }
 523         }
 524       }
 525     else
 526       {
 527       this->LocalGenerator->AppendFlags
 528         (flags, this->Target->GetProperty("COMPILE_FLAGS"));
 529       }
 530     }
 531
 532   // Add flags from source file properties.
 533   if (source.GetProperty("COMPILE_FLAGS"))
 534     {
 535     this->LocalGenerator->AppendFlags
 536       (flags, source.GetProperty("COMPILE_FLAGS"));
 537     *this->FlagFileStream << "# Custom flags: "
 538                           << relativeObj << "_FLAGS = "
 539                           << source.GetProperty("COMPILE_FLAGS")
 540                           << "\n"
 541                           << "\n";
 542     }
 543
 544   // Add language-specific defines.
 545   std::string defines = "$(";
 546   defines += lang;
 547   defines += "_DEFINES)";
 548
 549   // Add source-sepcific preprocessor definitions.
 550   if(const char* compile_defs = source.GetProperty("COMPILE_DEFINITIONS"))
 551     {
 552     this->LocalGenerator->AppendDefines(defines, compile_defs, lang);
 553     *this->FlagFileStream << "# Custom defines: "
 554                           << relativeObj << "_DEFINES = "
 555                           << compile_defs << "\n"
 556                           << "\n";
 557     }
 558   std::string configUpper =
 559     cmSystemTools::UpperCase(this->LocalGenerator->ConfigurationName);
 560   std::string defPropName = "COMPILE_DEFINITIONS_";
 561   defPropName += configUpper;
 562   if(const char* config_compile_defs =
 563      source.GetProperty(defPropName.c_str()))
 564     {
 565     this->LocalGenerator->AppendDefines(defines, config_compile_defs, lang);
 566     *this->FlagFileStream
 567       << "# Custom defines: "
 568       << relativeObj << "_DEFINES_" << configUpper
 569       << " = " << config_compile_defs << "\n"
 570       << "\n";
 571     }
 572
 573   // Get the output paths for source and object files.
 574   std::string sourceFile = source.GetFullPath();
 575   if(this->LocalGenerator->UseRelativePaths)
 576     {
 577     sourceFile = this->Convert(sourceFile.c_str(),
 578                                cmLocalGenerator::START_OUTPUT);
 579     }
 580   sourceFile = this->Convert(sourceFile.c_str(),
 581                              cmLocalGenerator::NONE,
 582                              cmLocalGenerator::SHELL);
 583   std::string objectFile = this->Convert(obj.c_str(),
 584                                          cmLocalGenerator::START_OUTPUT,
 585                                          cmLocalGenerator::SHELL);
 586
 587   // Construct the build message.
 588   std::vector<std::string> no_commands;
 589   std::vector<std::string> commands;
 590
 591   // add in a progress call if needed
 592   this->AppendProgress(commands);
 593
 594   if(!this->NoRuleMessages)
 595     {
 596     std::string buildEcho = "Building ";
 597     buildEcho += lang;
 598     buildEcho += " object ";
 599     buildEcho += relativeObj;
 600     this->LocalGenerator->AppendEcho
 601       (commands, buildEcho.c_str(), cmLocalUnixMakefileGenerator3::EchoBuild);
 602     }
 603
 604   std::string targetOutPathPDB;
 605   {
 606   std::string targetFullPathPDB;
 607   const char* configName = this->LocalGenerator->ConfigurationName.c_str();
 608   if(this->Target->GetType() == cmTarget::EXECUTABLE ||
 609      this->Target->GetType() == cmTarget::STATIC_LIBRARY ||
 610      this->Target->GetType() == cmTarget::SHARED_LIBRARY ||
 611      this->Target->GetType() == cmTarget::MODULE_LIBRARY)
 612     {
 613     targetFullPathPDB = this->Target->GetDirectory();
 614     targetFullPathPDB += "/";
 615     targetFullPathPDB += this->Target->GetPDBName(configName);
 616     }
 617   targetOutPathPDB =
 618     this->Convert(targetFullPathPDB.c_str(),cmLocalGenerator::FULL,
 619                   cmLocalGenerator::SHELL);
 620   }
 621   cmLocalGenerator::RuleVariables vars;
 622   vars.RuleLauncher = "RULE_LAUNCH_COMPILE";
 623   vars.CMTarget = this->Target;
 624   vars.Language = lang;
 625   vars.TargetPDB = targetOutPathPDB.c_str();
 626   vars.Source = sourceFile.c_str();
 627   std::string shellObj =
 628     this->Convert(obj.c_str(),
 629                   cmLocalGenerator::NONE,
 630                   cmLocalGenerator::SHELL).c_str();
 631   vars.Object = shellObj.c_str();
 632   std::string objectDir = cmSystemTools::GetFilenamePath(obj);
 633   objectDir = this->Convert(objectDir.c_str(),
 634                             cmLocalGenerator::START_OUTPUT,
 635                             cmLocalGenerator::SHELL);
 636   vars.ObjectDir = objectDir.c_str();
 637   vars.Flags = flags.c_str();
 638   vars.Defines = defines.c_str();
 639
 640   // Construct the compile rules.
 641   {
 642   std::string compileRuleVar = "CMAKE_";
 643   compileRuleVar += lang;
 644   compileRuleVar += "_COMPILE_OBJECT";
 645   std::string compileRule =
 646     this->Makefile->GetRequiredDefinition(compileRuleVar.c_str());
 647   std::vector<std::string> compileCommands;
 648   cmSystemTools::ExpandListArgument(compileRule, compileCommands);
 649
 650   // Expand placeholders in the commands.
 651   for(std::vector<std::string>::iterator i = compileCommands.begin();
 652       i != compileCommands.end(); ++i)
 653     {
 654     this->LocalGenerator->ExpandRuleVariables(*i, vars);
 655     }
 656
 657   // Change the command working directory to the local build tree.
 658   this->LocalGenerator->CreateCDCommand
 659     (compileCommands,
 660      this->Makefile->GetStartOutputDirectory(),
 661      cmLocalGenerator::HOME_OUTPUT);
 662   commands.insert(commands.end(),
 663                   compileCommands.begin(), compileCommands.end());
 664   }
 665
 666   // Write the rule.
 667   this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
 668                                       relativeObj.c_str(),
 669                                       depends, commands, false);
 670
 671   // Check for extra outputs created by the compilation.
 672   if(const char* extra_outputs_str =
 673      source.GetProperty("OBJECT_OUTPUTS"))
 674     {
 675     std::vector<std::string> extra_outputs;
 676     cmSystemTools::ExpandListArgument(extra_outputs_str, extra_outputs);
 677     for(std::vector<std::string>::const_iterator eoi = extra_outputs.begin();
 678         eoi != extra_outputs.end(); ++eoi)
 679       {
 680       // Register this as an extra output for the object file rule.
 681       // This will cause the object file to be rebuilt if the extra
 682       // output is missing.
 683       this->GenerateExtraOutput(eoi->c_str(), relativeObj.c_str(), false);
 684
 685       // Register this as an extra file to clean.
 686       this->CleanFiles.push_back(eoi->c_str());
 687       }
 688     }
 689
 690   bool lang_is_c_or_cxx = ((strcmp(lang, "C") == 0) ||
 691                            (strcmp(lang, "CXX") == 0));
 692   bool do_preprocess_rules = lang_is_c_or_cxx &&
 693     this->LocalGenerator->GetCreatePreprocessedSourceRules();
 694   bool do_assembly_rules = lang_is_c_or_cxx &&
 695     this->LocalGenerator->GetCreateAssemblySourceRules();
 696   if(do_preprocess_rules || do_assembly_rules)
 697     {
 698     std::vector<std::string> force_depends;
 699     force_depends.push_back("cmake_force");
 700     std::string::size_type dot_pos = relativeObj.rfind(".");
 701     std::string relativeObjBase = relativeObj.substr(0, dot_pos);
 702     dot_pos = obj.rfind(".");
 703     std::string objBase = obj.substr(0, dot_pos);
 704
 705     if(do_preprocess_rules)
 706       {
 707       commands.clear();
 708       std::string relativeObjI = relativeObjBase + ".i";
 709       std::string objI = objBase + ".i";
 710
 711       std::string preprocessEcho = "Preprocessing ";
 712       preprocessEcho += lang;
 713       preprocessEcho += " source to ";
 714       preprocessEcho += objI;
 715       this->LocalGenerator->AppendEcho(
 716         commands, preprocessEcho.c_str(),
 717         cmLocalUnixMakefileGenerator3::EchoBuild
 718         );
 719
 720       std::string preprocessRuleVar = "CMAKE_";
 721       preprocessRuleVar += lang;
 722       preprocessRuleVar += "_CREATE_PREPROCESSED_SOURCE";
 723       if(const char* preprocessRule =
 724          this->Makefile->GetDefinition(preprocessRuleVar.c_str()))
 725         {
 726         std::vector<std::string> preprocessCommands;
 727         cmSystemTools::ExpandListArgument(preprocessRule, preprocessCommands);
 728
 729         std::string shellObjI =
 730           this->Convert(objI.c_str(),
 731                         cmLocalGenerator::NONE,
 732                         cmLocalGenerator::SHELL).c_str();
 733         vars.PreprocessedSource = shellObjI.c_str();
 734
 735         // Expand placeholders in the commands.
 736         for(std::vector<std::string>::iterator i = preprocessCommands.begin();
 737             i != preprocessCommands.end(); ++i)
 738           {
 739           this->LocalGenerator->ExpandRuleVariables(*i, vars);
 740           }
 741
 742         this->LocalGenerator->CreateCDCommand
 743           (preprocessCommands,
 744            this->Makefile->GetStartOutputDirectory(),
 745            cmLocalGenerator::HOME_OUTPUT);
 746         commands.insert(commands.end(),
 747                         preprocessCommands.begin(),
 748                         preprocessCommands.end());
 749         }
 750       else
 751         {
 752         std::string cmd = "$(CMAKE_COMMAND) -E cmake_unimplemented_variable ";
 753         cmd += preprocessRuleVar;
 754         commands.push_back(cmd);
 755         }
 756
 757       this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
 758                                           relativeObjI.c_str(),
 759                                           force_depends, commands, false);
 760       }
 761
 762     if(do_assembly_rules)
 763       {
 764       commands.clear();
 765       std::string relativeObjS = relativeObjBase + ".s";
 766       std::string objS = objBase + ".s";
 767
 768       std::string assemblyEcho = "Compiling ";
 769       assemblyEcho += lang;
 770       assemblyEcho += " source to assembly ";
 771       assemblyEcho += objS;
 772       this->LocalGenerator->AppendEcho(
 773         commands, assemblyEcho.c_str(),
 774         cmLocalUnixMakefileGenerator3::EchoBuild
 775         );
 776
 777       std::string assemblyRuleVar = "CMAKE_";
 778       assemblyRuleVar += lang;
 779       assemblyRuleVar += "_CREATE_ASSEMBLY_SOURCE";
 780       if(const char* assemblyRule =
 781          this->Makefile->GetDefinition(assemblyRuleVar.c_str()))
 782         {
 783         std::vector<std::string> assemblyCommands;
 784         cmSystemTools::ExpandListArgument(assemblyRule, assemblyCommands);
 785
 786         std::string shellObjS =
 787           this->Convert(objS.c_str(),
 788                         cmLocalGenerator::NONE,
 789                         cmLocalGenerator::SHELL).c_str();
 790         vars.AssemblySource = shellObjS.c_str();
 791
 792         // Expand placeholders in the commands.
 793         for(std::vector<std::string>::iterator i = assemblyCommands.begin();
 794             i != assemblyCommands.end(); ++i)
 795           {
 796           this->LocalGenerator->ExpandRuleVariables(*i, vars);
 797           }
 798
 799         this->LocalGenerator->CreateCDCommand
 800           (assemblyCommands,
 801            this->Makefile->GetStartOutputDirectory(),
 802            cmLocalGenerator::HOME_OUTPUT);
 803         commands.insert(commands.end(),
 804                         assemblyCommands.begin(),
 805                         assemblyCommands.end());
 806         }
 807       else
 808         {
 809         std::string cmd = "$(CMAKE_COMMAND) -E cmake_unimplemented_variable ";
 810         cmd += assemblyRuleVar;
 811         commands.push_back(cmd);
 812         }
 813
 814       this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
 815                                           relativeObjS.c_str(),
 816                                           force_depends, commands, false);
 817       }
 818     }
 819
 820   // If the language needs provides-requires mode, create the
 821   // corresponding targets.
 822   std::string objectRequires = relativeObj;
 823   objectRequires += ".requires";
 824   std::vector<std::string> p_depends;
 825   // always provide an empty requires target
 826   this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
 827                                       objectRequires.c_str(), p_depends,
 828                                       no_commands, true);
 829
 830   // write a build rule to recursively build what this obj provides
 831   std::string objectProvides = relativeObj;
 832   objectProvides += ".provides";
 833   std::string temp = relativeObj;
 834   temp += ".provides.build";
 835   std::vector<std::string> r_commands;
 836   std::string tgtMakefileName =
 837     this->LocalGenerator->GetRelativeTargetDirectory(*this->Target);
 838   tgtMakefileName += "/build.make";
 839   r_commands.push_back
 840     (this->LocalGenerator->GetRecursiveMakeCall(tgtMakefileName.c_str(),
 841                                                 temp.c_str()));
 842
 843   p_depends.clear();
 844   p_depends.push_back(objectRequires);
 845   this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
 846                                       objectProvides.c_str(), p_depends,
 847                                       r_commands, true);
 848
 849   // write the provides.build rule dependency on the obj file
 850   p_depends.clear();
 851   p_depends.push_back(relativeObj);
 852   this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
 853                                       temp.c_str(), p_depends, no_commands,
 854                                       true);
 855 }
 856
 857 //----------------------------------------------------------------------------
 858 void cmMakefileTargetGenerator::WriteTargetRequiresRules()
 859 {
 860   std::vector<std::string> depends;
 861   std::vector<std::string> no_commands;
 862
 863   // Construct the name of the dependency generation target.
 864   std::string depTarget =
 865     this->LocalGenerator->GetRelativeTargetDirectory(*this->Target);
 866   depTarget += "/requires";
 867
 868   // This target drives dependency generation for all object files.
 869   std::string relPath = this->LocalGenerator->GetHomeRelativeOutputPath();
 870   std::string objTarget;
 871   for(std::vector<std::string>::const_iterator obj = this->Objects.begin();
 872       obj != this->Objects.end(); ++obj)
 873     {
 874     objTarget = relPath;
 875     objTarget += *obj;
 876     objTarget += ".requires";
 877     depends.push_back(objTarget);
 878     }
 879
 880   // Write the rule.
 881   this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
 882                                       depTarget.c_str(),
 883                                       depends, no_commands, true);
 884 }
 885
 886 //----------------------------------------------------------------------------
 887 void cmMakefileTargetGenerator::WriteTargetCleanRules()
 888 {
 889   std::vector<std::string> depends;
 890   std::vector<std::string> commands;
 891
 892   // Construct the clean target name.
 893   std::string cleanTarget =
 894     this->LocalGenerator->GetRelativeTargetDirectory(*this->Target);
 895   cleanTarget += "/clean";
 896
 897   // Construct the clean command.
 898   this->LocalGenerator->AppendCleanCommand(commands, this->CleanFiles,
 899                                            *this->Target);
 900   this->LocalGenerator->CreateCDCommand
 901     (commands,
 902      this->Makefile->GetStartOutputDirectory(),
 903      cmLocalGenerator::HOME_OUTPUT);
 904
 905   // Write the rule.
 906   this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
 907                                       cleanTarget.c_str(),
 908                                       depends, commands, true);
 909 }
 910
 911
 912 //----------------------------------------------------------------------------
 913 void cmMakefileTargetGenerator::WriteTargetDependRules()
 914 {
 915   // must write the targets depend info file
 916   std::string dir = this->LocalGenerator->GetTargetDirectory(*this->Target);
 917   this->InfoFileNameFull = dir;
 918   this->InfoFileNameFull += "/DependInfo.cmake";
 919   this->InfoFileNameFull =
 920     this->LocalGenerator->ConvertToFullPath(this->InfoFileNameFull);
 921   this->InfoFileStream =
 922     new cmGeneratedFileStream(this->InfoFileNameFull.c_str());
 923   this->InfoFileStream->SetCopyIfDifferent(true);
 924   if(!*this->InfoFileStream)
 925     {
 926     return;
 927     }
 928   this->LocalGenerator->
 929     WriteDependLanguageInfo(*this->InfoFileStream,*this->Target);
 930
 931   // Store multiple output pairs in the depend info file.
 932   if(!this->MultipleOutputPairs.empty())
 933     {
 934     *this->InfoFileStream
 935       << "\n"
 936       << "# Pairs of files generated by the same build rule.\n"
 937       << "SET(CMAKE_MULTIPLE_OUTPUT_PAIRS\n";
 938     for(MultipleOutputPairsType::const_iterator pi =
 939           this->MultipleOutputPairs.begin();
 940         pi != this->MultipleOutputPairs.end(); ++pi)
 941       {
 942       *this->InfoFileStream
 943         << "  " << this->LocalGenerator->EscapeForCMake(pi->first.c_str())
 944         << " "  << this->LocalGenerator->EscapeForCMake(pi->second.c_str())
 945         << "\n";
 946       }
 947     *this->InfoFileStream << "  )\n\n";
 948     }
 949
 950   // Store list of targets linked directly or transitively.
 951   {
 952   *this->InfoFileStream
 953     << "\n"
 954     << "# Targets to which this target links.\n"
 955     << "SET(CMAKE_TARGET_LINKED_INFO_FILES\n";
 956   std::set<cmTarget const*> emitted;
 957   const char* cfg = this->LocalGenerator->ConfigurationName.c_str();
 958   if(cmComputeLinkInformation* cli = this->Target->GetLinkInformation(cfg))
 959     {
 960     cmComputeLinkInformation::ItemVector const& items = cli->GetItems();
 961     for(cmComputeLinkInformation::ItemVector::const_iterator
 962           i = items.begin(); i != items.end(); ++i)
 963       {
 964       cmTarget const* linkee = i->Target;
 965       if(linkee && !linkee->IsImported() && emitted.insert(linkee).second)
 966         {
 967         cmMakefile* mf = linkee->GetMakefile();
 968         cmLocalGenerator* lg = mf->GetLocalGenerator();
 969         std::string di = mf->GetStartOutputDirectory();
 970         di += "/";
 971         di += lg->GetTargetDirectory(*linkee);
 972         di += "/DependInfo.cmake";
 973         *this->InfoFileStream << "  \"" << di << "\"\n";
 974         }
 975       }
 976     }
 977   *this->InfoFileStream
 978     << "  )\n";
 979   }
 980
 981   // Check for a target-specific module output directory.
 982   if(const char* mdir = this->GetFortranModuleDirectory())
 983     {
 984     *this->InfoFileStream
 985       << "\n"
 986       << "# Fortran module output directory.\n"
 987       << "SET(CMAKE_Fortran_TARGET_MODULE_DIR \"" << mdir << "\")\n";
 988     }
 989
 990   // and now write the rule to use it
 991   std::vector<std::string> depends;
 992   std::vector<std::string> commands;
 993
 994   // Construct the name of the dependency generation target.
 995   std::string depTarget =
 996     this->LocalGenerator->GetRelativeTargetDirectory(*this->Target);
 997   depTarget += "/depend";
 998
 999   // Add a command to call CMake to scan dependencies.  CMake will
1000   // touch the corresponding depends file after scanning dependencies.
1001   cmOStringStream depCmd;
1002   // TODO: Account for source file properties and directory-level
1003   // definitions when scanning for dependencies.
1004 #if !defined(_WIN32) || defined(__CYGWIN__)
1005   // This platform supports symlinks, so cmSystemTools will translate
1006   // paths.  Make sure PWD is set to the original name of the home
1007   // output directory to help cmSystemTools to create the same
1008   // translation table for the dependency scanning process.
1009   depCmd << "cd "
1010          << (this->LocalGenerator->Convert(
1011                this->Makefile->GetHomeOutputDirectory(),
1012                cmLocalGenerator::FULL, cmLocalGenerator::SHELL))
1013          << " && ";
1014 #endif
1015   // Generate a call this signature:
1016   //
1017   //   cmake -E cmake_depends <generator>
1018   //                          <home-src-dir> <start-src-dir>
1019   //                          <home-out-dir> <start-out-dir>
1020   //                          <dep-info> --color=$(COLOR)
1021   //
1022   // This gives the dependency scanner enough information to recreate
1023   // the state of our local generator sufficiently for its needs.
1024   depCmd << "$(CMAKE_COMMAND) -E cmake_depends \""
1025          << this->GlobalGenerator->GetName() << "\" "
1026          << this->Convert(this->Makefile->GetHomeDirectory(),
1027                           cmLocalGenerator::FULL, cmLocalGenerator::SHELL)
1028          << " "
1029          << this->Convert(this->Makefile->GetStartDirectory(),
1030                           cmLocalGenerator::FULL, cmLocalGenerator::SHELL)
1031          << " "
1032          << this->Convert(this->Makefile->GetHomeOutputDirectory(),
1033                           cmLocalGenerator::FULL, cmLocalGenerator::SHELL)
1034          << " "
1035          << this->Convert(this->Makefile->GetStartOutputDirectory(),
1036                           cmLocalGenerator::FULL, cmLocalGenerator::SHELL)
1037          << " "
1038          << this->Convert(this->InfoFileNameFull.c_str(),
1039                           cmLocalGenerator::FULL, cmLocalGenerator::SHELL);
1040   if(this->LocalGenerator->GetColorMakefile())
1041     {
1042     depCmd << " --color=$(COLOR)";
1043     }
1044   commands.push_back(depCmd.str());
1045
1046   // Make sure all custom command outputs in this target are built.
1047   if(this->CustomCommandDriver == OnDepends)
1048     {
1049     this->DriveCustomCommands(depends);
1050     }
1051
1052   // Write the rule.
1053   this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
1054                                       depTarget.c_str(),
1055                                       depends, commands, true);
1056 }
1057
1058 //----------------------------------------------------------------------------
1059 void
1060 cmMakefileTargetGenerator
1061 ::DriveCustomCommands(std::vector<std::string>& depends)
1062 {
1063   // Depend on all custom command outputs.
1064   const std::vector<cmSourceFile*>& sources =
1065     this->Target->GetSourceFiles();
1066   for(std::vector<cmSourceFile*>::const_iterator source = sources.begin();
1067       source != sources.end(); ++source)
1068     {
1069     if(cmCustomCommand* cc = (*source)->GetCustomCommand())
1070       {
1071       const std::vector<std::string>& outputs = cc->GetOutputs();
1072       for(std::vector<std::string>::const_iterator o = outputs.begin();
1073           o != outputs.end(); ++o)
1074         {
1075         depends.push_back(*o);
1076         }
1077       }
1078     }
1079 }
1080
1081 //----------------------------------------------------------------------------
1082 void cmMakefileTargetGenerator
1083 ::WriteObjectDependRules(cmSourceFile& source,
1084                          std::vector<std::string>& depends)
1085 {
1086   // Create the list of dependencies known at cmake time.  These are
1087   // shared between the object file and dependency scanning rule.
1088   depends.push_back(source.GetFullPath());
1089   if(const char* objectDeps = source.GetProperty("OBJECT_DEPENDS"))
1090     {
1091     std::vector<std::string> deps;
1092     cmSystemTools::ExpandListArgument(objectDeps, deps);
1093     for(std::vector<std::string>::iterator i = deps.begin();
1094         i != deps.end(); ++i)
1095       {
1096       depends.push_back(i->c_str());
1097       }
1098     }
1099 }
1100
1101 //----------------------------------------------------------------------------
1102 void cmMakefileTargetGenerator
1103 ::GenerateCustomRuleFile(const cmCustomCommand& cc)
1104 {
1105   // Collect the commands.
1106   std::vector<std::string> commands;
1107   std::string comment = this->LocalGenerator->ConstructComment(cc);
1108   if(!comment.empty())
1109     {
1110     // add in a progress call if needed
1111     this->AppendProgress(commands);
1112     if(!this->NoRuleMessages)
1113       {
1114       this->LocalGenerator
1115         ->AppendEcho(commands, comment.c_str(),
1116                      cmLocalUnixMakefileGenerator3::EchoGenerate);
1117       }
1118     }
1119
1120   // Now append the actual user-specified commands.
1121   cmOStringStream content;
1122   this->LocalGenerator->AppendCustomCommand(commands, cc, this->Target, false,
1123                                             cmLocalGenerator::HOME_OUTPUT,
1124                                             &content);
1125
1126   // Collect the dependencies.
1127   std::vector<std::string> depends;
1128   this->LocalGenerator->AppendCustomDepend(depends, cc);
1129
1130   // Check whether we need to bother checking for a symbolic output.
1131   bool need_symbolic = this->GlobalGenerator->GetNeedSymbolicMark();
1132
1133   // Write the rule.
1134   const std::vector<std::string>& outputs = cc.GetOutputs();
1135   std::vector<std::string>::const_iterator o = outputs.begin();
1136   {
1137   bool symbolic = false;
1138   if(need_symbolic)
1139     {
1140     if(cmSourceFile* sf = this->Makefile->GetSource(o->c_str()))
1141       {
1142       symbolic = sf->GetPropertyAsBool("SYMBOLIC");
1143       }
1144     }
1145   this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
1146                                       o->c_str(), depends, commands,
1147                                       symbolic);
1148
1149   // If the rule has changed make sure the output is rebuilt.
1150   if(!symbolic)
1151     {
1152     this->GlobalGenerator->AddRuleHash(cc.GetOutputs(), content.str());
1153     }
1154   }
1155
1156   // Write rules to drive building any outputs beyond the first.
1157   const char* in = o->c_str();
1158   for(++o; o != outputs.end(); ++o)
1159     {
1160     bool symbolic = false;
1161     if(need_symbolic)
1162       {
1163       if(cmSourceFile* sf = this->Makefile->GetSource(o->c_str()))
1164         {
1165         symbolic = sf->GetPropertyAsBool("SYMBOLIC");
1166         }
1167       }
1168     this->GenerateExtraOutput(o->c_str(), in, symbolic);
1169     }
1170
1171   // Setup implicit dependency scanning.
1172   for(cmCustomCommand::ImplicitDependsList::const_iterator
1173         idi = cc.GetImplicitDepends().begin();
1174       idi != cc.GetImplicitDepends().end(); ++idi)
1175     {
1176     std::string objFullPath =
1177       this->Convert(outputs[0].c_str(), cmLocalGenerator::FULL);
1178     std::string srcFullPath =
1179       this->Convert(idi->second.c_str(), cmLocalGenerator::FULL);
1180     this->LocalGenerator->
1181       AddImplicitDepends(*this->Target, idi->first.c_str(),
1182                          objFullPath.c_str(),
1183                          srcFullPath.c_str());
1184     }
1185 }
1186
1187 //----------------------------------------------------------------------------
1188 void
1189 cmMakefileTargetGenerator
1190 ::GenerateExtraOutput(const char* out, const char* in, bool symbolic)
1191 {
1192   // Add a rule to build the primary output if the extra output needs
1193   // to be created.
1194   std::vector<std::string> commands;
1195   std::vector<std::string> depends;
1196   std::string emptyCommand = this->GlobalGenerator->GetEmptyRuleHackCommand();
1197   if(!emptyCommand.empty())
1198     {
1199     commands.push_back(emptyCommand);
1200     }
1201   depends.push_back(in);
1202   this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
1203                                       out, depends, commands,
1204                                       symbolic);
1205
1206   // Register the extra output as paired with the first output so that
1207   // the check-build-system step will remove the primary output if any
1208   // extra outputs are missing.  This forces the rule to regenerate
1209   // all outputs.
1210   this->AddMultipleOutputPair(out, in);
1211 }
1212
1213 //----------------------------------------------------------------------------
1214 void
1215 cmMakefileTargetGenerator::AppendProgress(std::vector<std::string>& commands)
1216 {
1217   this->NumberOfProgressActions++;
1218   if(this->NoRuleMessages)
1219     {
1220     return;
1221     }
1222   std::string progressDir = this->Makefile->GetHomeOutputDirectory();
1223   progressDir += cmake::GetCMakeFilesDirectory();
1224   cmOStringStream progCmd;
1225   progCmd << "$(CMAKE_COMMAND) -E cmake_progress_report ";
1226   progCmd << this->LocalGenerator->Convert(progressDir.c_str(),
1227                                            cmLocalGenerator::FULL,
1228                                            cmLocalGenerator::SHELL);
1229   progCmd << " $(CMAKE_PROGRESS_" << this->NumberOfProgressActions << ")";
1230   commands.push_back(progCmd.str());
1231 }
1232
1233 //----------------------------------------------------------------------------
1234 void
1235 cmMakefileTargetGenerator
1236 ::WriteObjectsVariable(std::string& variableName,
1237                        std::string& variableNameExternal)
1238 {
1239   // Write a make variable assignment that lists all objects for the
1240   // target.
1241   variableName =
1242     this->LocalGenerator->CreateMakeVariable(this->Target->GetName(),
1243                                              "_OBJECTS");
1244   *this->BuildFileStream
1245     << "# Object files for target " << this->Target->GetName() << "\n"
1246     << variableName.c_str() << " =";
1247   std::string object;
1248   const char* objName =
1249     this->Makefile->GetDefinition("CMAKE_NO_QUOTED_OBJECTS");
1250   const char* lineContinue =
1251     this->Makefile->GetDefinition("CMAKE_MAKE_LINE_CONTINUE");
1252   if(!lineContinue)
1253     {
1254     lineContinue = "\\";
1255     }
1256   for(std::vector<std::string>::const_iterator i = this->Objects.begin();
1257       i != this->Objects.end(); ++i)
1258     {
1259     *this->BuildFileStream << " " << lineContinue << "\n";
1260     if(objName)
1261       {
1262       *this->BuildFileStream <<
1263         this->Convert(i->c_str(), cmLocalGenerator::START_OUTPUT,
1264                       cmLocalGenerator::MAKEFILE);
1265       }
1266     else
1267       {
1268       *this->BuildFileStream  <<
1269         this->LocalGenerator->ConvertToQuotedOutputPath(i->c_str());
1270       }
1271     }
1272   *this->BuildFileStream << "\n";
1273
1274   // Write a make variable assignment that lists all external objects
1275   // for the target.
1276   variableNameExternal =
1277     this->LocalGenerator->CreateMakeVariable(this->Target->GetName(),
1278                                              "_EXTERNAL_OBJECTS");
1279   *this->BuildFileStream
1280     << "\n"
1281     << "# External object files for target "
1282     << this->Target->GetName() << "\n"
1283     << variableNameExternal.c_str() << " =";
1284   for(std::vector<std::string>::const_iterator i =
1285         this->ExternalObjects.begin();
1286       i != this->ExternalObjects.end(); ++i)
1287     {
1288     object = this->Convert(i->c_str(),cmLocalGenerator::START_OUTPUT);
1289     *this->BuildFileStream
1290       << " " << lineContinue << "\n"
1291       << this->Makefile->GetSafeDefinition("CMAKE_OBJECT_NAME");
1292     if(objName)
1293       {
1294       *this->BuildFileStream  <<
1295         this->Convert(i->c_str(), cmLocalGenerator::START_OUTPUT,
1296                       cmLocalGenerator::MAKEFILE);
1297       }
1298     else
1299       {
1300       *this->BuildFileStream  <<
1301         this->LocalGenerator->ConvertToQuotedOutputPath(i->c_str());
1302       }
1303     }
1304   *this->BuildFileStream << "\n" << "\n";
1305 }
1306
1307 //----------------------------------------------------------------------------
1308 void
1309 cmMakefileTargetGenerator
1310 ::WriteObjectsString(std::string& buildObjs)
1311 {
1312   std::vector<std::string> objStrings;
1313   this->WriteObjectsStrings(objStrings);
1314   buildObjs = objStrings[0];
1315 }
1316
1317 //----------------------------------------------------------------------------
1318 class cmMakefileTargetGeneratorObjectStrings
1319 {
1320 public:
1321   cmMakefileTargetGeneratorObjectStrings(std::vector<std::string>& strings,
1322                                          cmMakefile* mf,
1323                                          cmLocalUnixMakefileGenerator3* lg,
1324                                          std::string::size_type limit):
1325     Strings(strings), Makefile(mf), LocalGenerator(lg), LengthLimit(limit)
1326     {
1327     this->Space = "";
1328     }
1329   void Feed(std::string const& obj)
1330     {
1331     // Construct the name of the next object.
1332     this->NextObject =
1333       this->LocalGenerator->Convert(obj.c_str(),
1334                                     cmLocalGenerator::START_OUTPUT,
1335                                     cmLocalGenerator::SHELL);
1336
1337     // Roll over to next string if the limit will be exceeded.
1338     if(this->LengthLimit != std::string::npos &&
1339        (this->CurrentString.length() + 1 + this->NextObject.length()
1340         > this->LengthLimit))
1341       {
1342       this->Strings.push_back(this->CurrentString);
1343       this->CurrentString = "";
1344       this->Space = "";
1345       }
1346
1347     // Separate from previous object.
1348     this->CurrentString += this->Space;
1349     this->Space = " ";
1350
1351     // Append this object.
1352     this->CurrentString += this->NextObject;
1353     }
1354   void Done()
1355     {
1356     this->Strings.push_back(this->CurrentString);
1357     }
1358 private:
1359   std::vector<std::string>& Strings;
1360   cmMakefile* Makefile;
1361   cmLocalUnixMakefileGenerator3* LocalGenerator;
1362   std::string::size_type LengthLimit;
1363   std::string CurrentString;
1364   std::string NextObject;
1365   const char* Space;
1366 };
1367
1368 //----------------------------------------------------------------------------
1369 void
1370 cmMakefileTargetGenerator
1371 ::WriteObjectsStrings(std::vector<std::string>& objStrings,
1372                       std::string::size_type limit)
1373 {
1374   cmMakefileTargetGeneratorObjectStrings
1375     helper(objStrings, this->Makefile, this->LocalGenerator, limit);
1376   for(std::vector<std::string>::const_iterator i = this->Objects.begin();
1377       i != this->Objects.end(); ++i)
1378     {
1379     helper.Feed(*i);
1380     }
1381   for(std::vector<std::string>::const_iterator i =
1382         this->ExternalObjects.begin();
1383       i != this->ExternalObjects.end(); ++i)
1384     {
1385     helper.Feed(*i);
1386     }
1387   helper.Done();
1388 }
1389
1390 //----------------------------------------------------------------------------
1391 void cmMakefileTargetGenerator::WriteTargetDriverRule(const char* main_output,
1392                                                       bool relink)
1393 {
1394   // Compute the name of the driver target.
1395   std::string dir =
1396     this->LocalGenerator->GetRelativeTargetDirectory(*this->Target);
1397   std::string buildTargetRuleName = dir;
1398   buildTargetRuleName += relink?"/preinstall":"/build";
1399   buildTargetRuleName = this->Convert(buildTargetRuleName.c_str(),
1400                                       cmLocalGenerator::HOME_OUTPUT,
1401                                       cmLocalGenerator::UNCHANGED);
1402
1403   // Build the list of target outputs to drive.
1404   std::vector<std::string> depends;
1405   if(main_output)
1406     {
1407     depends.push_back(main_output);
1408     }
1409
1410   const char* comment = 0;
1411   if(relink)
1412     {
1413     // Setup the comment for the preinstall driver.
1414     comment = "Rule to relink during preinstall.";
1415     }
1416   else
1417     {
1418     // Setup the comment for the main build driver.
1419     comment = "Rule to build all files generated by this target.";
1420
1421     // Make sure all custom command outputs in this target are built.
1422     if(this->CustomCommandDriver == OnBuild)
1423       {
1424       this->DriveCustomCommands(depends);
1425       }
1426
1427     // Make sure the extra files are built.
1428     for(std::set<cmStdString>::const_iterator i = this->ExtraFiles.begin();
1429         i != this->ExtraFiles.end(); ++i)
1430       {
1431       depends.push_back(*i);
1432       }
1433     }
1434
1435   // Write the driver rule.
1436   std::vector<std::string> no_commands;
1437   this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, comment,
1438                                       buildTargetRuleName.c_str(),
1439                                       depends, no_commands, true);
1440 }
1441
1442 //----------------------------------------------------------------------------
1443 std::string cmMakefileTargetGenerator::GetFrameworkFlags()
1444 {
1445 #ifndef __APPLE__
1446   return std::string();
1447 #else
1448   std::set<cmStdString> emitted;
1449   emitted.insert("/System/Library/Frameworks");
1450   std::vector<std::string> includes;
1451   this->LocalGenerator->GetIncludeDirectories(includes);
1452   std::vector<std::string>::iterator i;
1453   // check all include directories for frameworks as this
1454   // will already have added a -F for the framework
1455   for(i = includes.begin(); i != includes.end(); ++i)
1456     {
1457     if(this->Target->NameResolvesToFramework(i->c_str()))
1458       {
1459       std::string frameworkDir = *i;
1460       frameworkDir += "/../";
1461       frameworkDir = cmSystemTools::CollapseFullPath(frameworkDir.c_str());
1462       emitted.insert(frameworkDir);
1463       }
1464     }
1465
1466   std::string flags;
1467   std::vector<std::string>& frameworks = this->Target->GetFrameworks();
1468   for(i = frameworks.begin();
1469       i != frameworks.end(); ++i)
1470     {
1471     if(emitted.insert(*i).second)
1472       {
1473       flags += "-F";
1474       flags += this->Convert(i->c_str(),
1475                              cmLocalGenerator::START_OUTPUT,
1476                              cmLocalGenerator::SHELL, true);
1477       flags += " ";
1478       }
1479     }
1480   return flags;
1481 #endif
1482 }
1483
1484 //----------------------------------------------------------------------------
1485 void cmMakefileTargetGenerator
1486 ::AppendTargetDepends(std::vector<std::string>& depends)
1487 {
1488   // Static libraries never depend on anything for linking.
1489   if(this->Target->GetType() == cmTarget::STATIC_LIBRARY)
1490     {
1491     return;
1492     }
1493
1494   // Loop over all library dependencies.
1495   const char* cfg = this->LocalGenerator->ConfigurationName.c_str();
1496   if(cmComputeLinkInformation* cli = this->Target->GetLinkInformation(cfg))
1497     {
1498     std::vector<std::string> const& libDeps = cli->GetDepends();
1499     for(std::vector<std::string>::const_iterator j = libDeps.begin();
1500         j != libDeps.end(); ++j)
1501       {
1502       depends.push_back(*j);
1503       }
1504     }
1505 }
1506
1507 //----------------------------------------------------------------------------
1508 void cmMakefileTargetGenerator
1509 ::CloseFileStreams()
1510 {
1511   delete this->BuildFileStream;
1512   delete this->InfoFileStream;
1513   delete this->FlagFileStream;
1514 }
1515
1516 void cmMakefileTargetGenerator::RemoveForbiddenFlags(const char* flagVar,
1517                                                      const char* linkLang,
1518                                                      std::string& linkFlags)
1519 {
1520   // check for language flags that are not allowed at link time, and
1521   // remove them, -w on darwin for gcc -w -dynamiclib sends -w to libtool
1522   // which fails, there may be more]
1523
1524   std::string removeFlags = "CMAKE_";
1525   removeFlags += linkLang;
1526   removeFlags += flagVar;
1527   std::string removeflags =
1528     this->Makefile->GetSafeDefinition(removeFlags.c_str());
1529   std::vector<std::string> removeList;
1530   cmSystemTools::ExpandListArgument(removeflags, removeList);
1531   for(std::vector<std::string>::iterator i = removeList.begin();
1532       i != removeList.end(); ++i)
1533     {
1534     cmSystemTools::ReplaceString(linkFlags, i->c_str(), "");
1535     }
1536 }
1537
1538 void cmMakefileTargetGenerator::WriteProgressVariables(unsigned long total,
1539                                                        unsigned long &current)
1540 {
1541   cmGeneratedFileStream *progressFileStream =
1542     new cmGeneratedFileStream(this->ProgressFileNameFull.c_str());
1543   if(!progressFileStream)
1544     {
1545     return;
1546     }
1547
1548   unsigned long num;
1549   unsigned long i;
1550   for (i = 1; i <= this->NumberOfProgressActions; ++i)
1551     {
1552     *progressFileStream
1553       << "CMAKE_PROGRESS_" << i << " = ";
1554     if (total <= 100)
1555       {
1556       num = i + current;
1557       *progressFileStream << num;
1558       this->LocalGenerator->ProgressFiles[this->Target->GetName()]
1559         .push_back(num);
1560       }
1561     else if (((i+current)*100)/total > ((i-1+current)*100)/total)
1562       {
1563       num = ((i+current)*100)/total;
1564       *progressFileStream << num;
1565       this->LocalGenerator->ProgressFiles[this->Target->GetName()]
1566         .push_back(num);
1567       }
1568     *progressFileStream << "\n";
1569     }
1570   *progressFileStream << "\n";
1571   current += this->NumberOfProgressActions;
1572   delete progressFileStream;
1573 }
1574
1575 //----------------------------------------------------------------------------
1576 void
1577 cmMakefileTargetGenerator
1578 ::AddMultipleOutputPair(const char* depender, const char* dependee)
1579 {
1580   MultipleOutputPairsType::value_type p(depender, dependee);
1581   this->MultipleOutputPairs.insert(p);
1582 }
1583
1584 //----------------------------------------------------------------------------
1585 void
1586 cmMakefileTargetGenerator
1587 ::CreateLinkScript(const char* name,
1588                    std::vector<std::string> const& link_commands,
1589                    std::vector<std::string>& makefile_commands,
1590                    std::vector<std::string>& makefile_depends)
1591 {
1592   // Create the link script file.
1593   std::string linkScriptName = this->TargetBuildDirectoryFull;
1594   linkScriptName += "/";
1595   linkScriptName += name;
1596   cmGeneratedFileStream linkScriptStream(linkScriptName.c_str());
1597   linkScriptStream.SetCopyIfDifferent(true);
1598   for(std::vector<std::string>::const_iterator cmd = link_commands.begin();
1599       cmd != link_commands.end(); ++cmd)
1600     {
1601     // Do not write out empty commands or commands beginning in the
1602     // shell no-op ":".
1603     if(!cmd->empty() && (*cmd)[0] != ':')
1604       {
1605       linkScriptStream << *cmd << "\n";
1606       }
1607     }
1608
1609   // Create the makefile command to invoke the link script.
1610   std::string link_command = "$(CMAKE_COMMAND) -E cmake_link_script ";
1611   link_command += this->Convert(linkScriptName.c_str(),
1612                                 cmLocalGenerator::START_OUTPUT,
1613                                 cmLocalGenerator::SHELL);
1614   link_command += " --verbose=$(VERBOSE)";
1615   makefile_commands.push_back(link_command);
1616   makefile_depends.push_back(linkScriptName);
1617 }
1618
1619 //----------------------------------------------------------------------------
1620 std::string
1621 cmMakefileTargetGenerator
1622 ::CreateResponseFile(const char* name, std::string const& options,
1623                      std::vector<std::string>& makefile_depends)
1624 {
1625   // Create the response file.
1626   std::string responseFileNameFull = this->TargetBuildDirectoryFull;
1627   responseFileNameFull += "/";
1628   responseFileNameFull += name;
1629   cmGeneratedFileStream responseStream(responseFileNameFull.c_str());
1630   responseStream.SetCopyIfDifferent(true);
1631   responseStream << options << "\n";
1632
1633   // Add a dependency so the target will rebuild when the set of
1634   // objects changes.
1635   makefile_depends.push_back(responseFileNameFull);
1636
1637   // Construct the name to be used on the command line.
1638   std::string responseFileName = this->TargetBuildDirectory;
1639   responseFileName += "/";
1640   responseFileName += name;
1641   return responseFileName;
1642 }
1643
1644 //----------------------------------------------------------------------------
1645 void
1646 cmMakefileTargetGenerator
1647 ::CreateObjectLists(bool useLinkScript, bool useArchiveRules,
1648                     bool useResponseFile, std::string& buildObjs,
1649                     std::vector<std::string>& makefile_depends)
1650 {
1651   std::string variableName;
1652   std::string variableNameExternal;
1653   this->WriteObjectsVariable(variableName, variableNameExternal);
1654   if(useResponseFile)
1655     {
1656     // MSVC response files cannot exceed 128K.
1657     std::string::size_type const responseFileLimit = 131000;
1658
1659     // Construct the individual object list strings.
1660     std::vector<std::string> object_strings;
1661     this->WriteObjectsStrings(object_strings, responseFileLimit);
1662
1663     // Write a response file for each string.
1664     const char* sep = "";
1665     for(unsigned int i = 0; i < object_strings.size(); ++i)
1666       {
1667       // Number the response files.
1668       char rsp[32];
1669       sprintf(rsp, "objects%u.rsp", i+1);
1670
1671       // Create this response file.
1672       std::string objects_rsp =
1673         this->CreateResponseFile(rsp, object_strings[i], makefile_depends);
1674
1675       // Separate from previous response file references.
1676       buildObjs += sep;
1677       sep = " ";
1678
1679       // Reference the response file.
1680       buildObjs += "@";
1681       buildObjs += this->Convert(objects_rsp.c_str(),
1682                                  cmLocalGenerator::NONE,
1683                                  cmLocalGenerator::SHELL);
1684       }
1685     }
1686   else if(useLinkScript)
1687     {
1688     if(!useArchiveRules)
1689       {
1690       this->WriteObjectsString(buildObjs);
1691       }
1692     }
1693   else
1694     {
1695     buildObjs = "$(";
1696     buildObjs += variableName;
1697     buildObjs += ") $(";
1698     buildObjs += variableNameExternal;
1699     buildObjs += ")";
1700     }
1701 }
1702
1703 //----------------------------------------------------------------------------
1704 const char* cmMakefileTargetGenerator::GetFortranModuleDirectory()
1705 {
1706   // Compute the module directory.
1707   if(!this->FortranModuleDirectoryComputed)
1708     {
1709     const char* target_mod_dir =
1710       this->Target->GetProperty("Fortran_MODULE_DIRECTORY");
1711     const char* moddir_flag =
1712       this->Makefile->GetDefinition("CMAKE_Fortran_MODDIR_FLAG");
1713     if(target_mod_dir && moddir_flag)
1714       {
1715       // Compute the full path to the module directory.
1716       if(cmSystemTools::FileIsFullPath(target_mod_dir))
1717         {
1718         // Already a full path.
1719         this->FortranModuleDirectory = target_mod_dir;
1720         }
1721       else
1722         {
1723         // Interpret relative to the current output directory.
1724         this->FortranModuleDirectory =
1725           this->Makefile->GetCurrentOutputDirectory();
1726         this->FortranModuleDirectory += "/";
1727         this->FortranModuleDirectory += target_mod_dir;
1728         }
1729
1730       // Make sure the module output directory exists.
1731       cmSystemTools::MakeDirectory(this->FortranModuleDirectory.c_str());
1732       }
1733     this->FortranModuleDirectoryComputed = true;
1734     }
1735
1736   // Return the computed directory.
1737   if(this->FortranModuleDirectory.empty())
1738     {
1739     return 0;
1740     }
1741   else
1742     {
1743     return this->FortranModuleDirectory.c_str();
1744     }
1745 }
1746
1747 //----------------------------------------------------------------------------
1748 void cmMakefileTargetGenerator::AddFortranFlags(std::string& flags)
1749 {
1750   // Add a module output directory flag if necessary.
1751   if(const char* mod_dir = this->GetFortranModuleDirectory())
1752     {
1753     const char* moddir_flag =
1754       this->Makefile->GetRequiredDefinition("CMAKE_Fortran_MODDIR_FLAG");
1755     std::string modflag = moddir_flag;
1756     modflag += this->Convert(mod_dir,
1757                              cmLocalGenerator::START_OUTPUT,
1758                              cmLocalGenerator::SHELL);
1759     this->LocalGenerator->AppendFlags(flags, modflag.c_str());
1760     }
1761
1762   // If there is a separate module path flag then duplicate the
1763   // include path with it.  This compiler does not search the include
1764   // path for modules.
1765   if(const char* modpath_flag =
1766      this->Makefile->GetDefinition("CMAKE_Fortran_MODPATH_FLAG"))
1767     {
1768     std::vector<std::string> includes;
1769     this->LocalGenerator->GetIncludeDirectories(includes);
1770     for(std::vector<std::string>::const_iterator idi = includes.begin();
1771         idi != includes.end(); ++idi)
1772       {
1773       std::string flg = modpath_flag;
1774       flg += this->Convert(idi->c_str(),
1775                            cmLocalGenerator::NONE,
1776                            cmLocalGenerator::SHELL);
1777       this->LocalGenerator->AppendFlags(flags, flg.c_str());
1778       }
1779     }
1780 }