Source/cmLocalUnixMakefileGenerator3.cxx

   1 /*=========================================================================
   2
   3   Program:   CMake - Cross-Platform Makefile Generator
   4   Module:    $RCSfile: cmLocalUnixMakefileGenerator3.cxx,v $
   5   Language:  C++
   6   Date:      $Date: 2008-10-09 19:30:07 $
   7   Version:   $Revision: 1.255 $
   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 "cmLocalUnixMakefileGenerator3.h"
  18
  19 #include "cmDepends.h"
  20 #include "cmGeneratedFileStream.h"
  21 #include "cmGlobalUnixMakefileGenerator3.h"
  22 #include "cmMakefile.h"
  23 #include "cmMakefileTargetGenerator.h"
  24 #include "cmSourceFile.h"
  25 #include "cmake.h"
  26 #include "cmVersion.h"
  27 #include "cmFileTimeComparison.h"
  28
  29 // Include dependency scanners for supported languages.  Only the
  30 // C/C++ scanner is needed for bootstrapping CMake.
  31 #include "cmDependsC.h"
  32 #ifdef CMAKE_BUILD_WITH_CMAKE
  33 # include "cmDependsFortran.h"
  34 # include "cmDependsJava.h"
  35 # include <cmsys/Terminal.h>
  36 #endif
  37
  38 #include <memory> // auto_ptr
  39 #include <queue>
  40
  41 //----------------------------------------------------------------------------
  42 // Helper function used below.
  43 static std::string cmSplitExtension(std::string const& in, std::string& base)
  44 {
  45   std::string ext;
  46   std::string::size_type dot_pos = in.rfind(".");
  47   if(dot_pos != std::string::npos)
  48     {
  49     // Remove the extension first in case &base == &in.
  50     ext = in.substr(dot_pos, std::string::npos);
  51     base = in.substr(0, dot_pos);
  52     }
  53   else
  54     {
  55     base = in;
  56     }
  57   return ext;
  58 }
  59
  60 //----------------------------------------------------------------------------
  61 cmLocalUnixMakefileGenerator3::cmLocalUnixMakefileGenerator3()
  62 {
  63   this->SilentNoColon = false;
  64   this->WindowsShell = false;
  65   this->IncludeDirective = "include";
  66   this->MakefileVariableSize = 0;
  67   this->IgnoreLibPrefix = false;
  68   this->PassMakeflags = false;
  69   this->DefineWindowsNULL = false;
  70   this->UnixCD = true;
  71   this->ColorMakefile = false;
  72   this->SkipPreprocessedSourceRules = false;
  73   this->SkipAssemblySourceRules = false;
  74   this->NativeEchoCommand = "@echo ";
  75   this->NativeEchoWindows = true;
  76   this->MakeCommandEscapeTargetTwice = false;
  77   this->IsMakefileGenerator = true;
  78   this->BorlandMakeCurlyHack = false;
  79 }
  80
  81 //----------------------------------------------------------------------------
  82 cmLocalUnixMakefileGenerator3::~cmLocalUnixMakefileGenerator3()
  83 {
  84 }
  85
  86 //----------------------------------------------------------------------------
  87 void cmLocalUnixMakefileGenerator3::Configure()
  88 {
  89   // Compute the path to use when referencing the current output
  90   // directory from the top output directory.
  91   this->HomeRelativeOutputPath =
  92     this->Convert(this->Makefile->GetStartOutputDirectory(), HOME_OUTPUT);
  93   if(this->HomeRelativeOutputPath == ".")
  94     {
  95     this->HomeRelativeOutputPath = "";
  96     }
  97   if(!this->HomeRelativeOutputPath.empty())
  98     {
  99     this->HomeRelativeOutputPath += "/";
 100     }
 101   this->cmLocalGenerator::Configure();
 102 }
 103
 104 //----------------------------------------------------------------------------
 105 void cmLocalUnixMakefileGenerator3::Generate()
 106 {
 107   // Store the configuration name that will be generated.
 108   if(const char* config = this->Makefile->GetDefinition("CMAKE_BUILD_TYPE"))
 109     {
 110     // Use the build type given by the user.
 111     this->ConfigurationName = config;
 112     }
 113   else
 114     {
 115     // No configuration type given.
 116     this->ConfigurationName = "";
 117     }
 118
 119   // Record whether some options are enabled to avoid checking many
 120   // times later.
 121   this->ColorMakefile = this->Makefile->IsOn("CMAKE_COLOR_MAKEFILE");
 122   this->SkipPreprocessedSourceRules =
 123     this->Makefile->IsOn("CMAKE_SKIP_PREPROCESSED_SOURCE_RULES");
 124   this->SkipAssemblySourceRules =
 125     this->Makefile->IsOn("CMAKE_SKIP_ASSEMBLY_SOURCE_RULES");
 126
 127   // Generate the rule files for each target.
 128   cmTargets& targets = this->Makefile->GetTargets();
 129   std::string empty;
 130   for(cmTargets::iterator t = targets.begin(); t != targets.end(); ++t)
 131     {
 132     cmMakefileTargetGenerator *tg =
 133       cmMakefileTargetGenerator::New(&(t->second));
 134     if (tg)
 135       {
 136       this->TargetGenerators.push_back(tg);
 137       tg->WriteRuleFiles();
 138       }
 139     }
 140
 141   // write the local Makefile
 142   this->WriteLocalMakefile();
 143
 144   // Write the cmake file with information for this directory.
 145   this->WriteDirectoryInformationFile();
 146 }
 147
 148 //----------------------------------------------------------------------------
 149 // return info about progress actions
 150 unsigned long cmLocalUnixMakefileGenerator3::GetNumberOfProgressActions()
 151 {
 152   unsigned long result = 0;
 153
 154   for (std::vector<cmMakefileTargetGenerator *>::iterator mtgIter =
 155          this->TargetGenerators.begin();
 156        mtgIter != this->TargetGenerators.end(); ++mtgIter)
 157     {
 158     result += (*mtgIter)->GetNumberOfProgressActions();
 159     }
 160   return result;
 161 }
 162
 163 //----------------------------------------------------------------------------
 164 // return info about progress actions
 165 unsigned long cmLocalUnixMakefileGenerator3
 166 ::GetNumberOfProgressActionsForTarget(const char *name)
 167 {
 168   for (std::vector<cmMakefileTargetGenerator *>::iterator mtgIter =
 169          this->TargetGenerators.begin();
 170        mtgIter != this->TargetGenerators.end(); ++mtgIter)
 171     {
 172     if (!strcmp(name,(*mtgIter)->GetTarget()->GetName()))
 173       {
 174       return (*mtgIter)->GetNumberOfProgressActions();
 175       }
 176     }
 177   return 0;
 178 }
 179
 180
 181 //----------------------------------------------------------------------------
 182 // writes the progreess variables and also closes out the targets
 183 void cmLocalUnixMakefileGenerator3
 184 ::WriteProgressVariables(unsigned long total,
 185                          unsigned long &current)
 186 {
 187   // delete the makefile target generator objects
 188   for (std::vector<cmMakefileTargetGenerator *>::iterator mtgIter =
 189          this->TargetGenerators.begin();
 190        mtgIter != this->TargetGenerators.end(); ++mtgIter)
 191     {
 192     (*mtgIter)->WriteProgressVariables(total,current);
 193     delete *mtgIter;
 194     }
 195   this->TargetGenerators.clear();
 196 }
 197
 198 void cmLocalUnixMakefileGenerator3::WriteAllProgressVariable()
 199 {
 200   // write the top level progress for the all target
 201   std::string progressFile = cmake::GetCMakeFilesDirectory();
 202   progressFile += "/progress.make";
 203   std::string progressFileNameFull =
 204     this->ConvertToFullPath(progressFile.c_str());
 205   cmGeneratedFileStream ruleFileStream(progressFileNameFull.c_str());
 206   if(!ruleFileStream)
 207     {
 208     return;
 209     }
 210
 211   cmGlobalUnixMakefileGenerator3 *gg =
 212     static_cast<cmGlobalUnixMakefileGenerator3*>(this->GlobalGenerator);
 213
 214   ruleFileStream << gg->GetNumberOfProgressActionsInAll(this) << "\n";
 215 }
 216
 217 //----------------------------------------------------------------------------
 218 void cmLocalUnixMakefileGenerator3::WriteLocalMakefile()
 219 {
 220   // generate the includes
 221   std::string ruleFileName = "Makefile";
 222
 223   // Open the rule file.  This should be copy-if-different because the
 224   // rules may depend on this file itself.
 225   std::string ruleFileNameFull = this->ConvertToFullPath(ruleFileName);
 226   cmGeneratedFileStream ruleFileStream(ruleFileNameFull.c_str());
 227   if(!ruleFileStream)
 228     {
 229     return;
 230     }
 231   // always write the top makefile
 232   if (this->Parent)
 233     {
 234     ruleFileStream.SetCopyIfDifferent(true);
 235     }
 236
 237   // write the all rules
 238   this->WriteLocalAllRules(ruleFileStream);
 239
 240   // only write local targets unless at the top Keep track of targets already
 241   // listed.
 242   std::set<cmStdString> emittedTargets;
 243   if (this->Parent)
 244     {
 245     // write our targets, and while doing it collect up the object
 246     // file rules
 247     this->WriteLocalMakefileTargets(ruleFileStream,emittedTargets);
 248     }
 249   else
 250     {
 251     cmGlobalUnixMakefileGenerator3 *gg =
 252       static_cast<cmGlobalUnixMakefileGenerator3*>(this->GlobalGenerator);
 253     gg->WriteConvenienceRules(ruleFileStream,emittedTargets);
 254     }
 255
 256   bool do_preprocess_rules =
 257     this->GetCreatePreprocessedSourceRules();
 258   bool do_assembly_rules =
 259     this->GetCreateAssemblySourceRules();
 260
 261   // now write out the object rules
 262   // for each object file name
 263   for (std::map<cmStdString, LocalObjectInfo>::iterator lo =
 264          this->LocalObjectFiles.begin();
 265        lo != this->LocalObjectFiles.end(); ++lo)
 266     {
 267     // Add a convenience rule for building the object file.
 268     this->WriteObjectConvenienceRule(ruleFileStream,
 269                                      "target to build an object file",
 270                                      lo->first.c_str(), lo->second);
 271
 272     // Check whether preprocessing and assembly rules make sense.
 273     // They make sense only for C and C++ sources.
 274     bool lang_is_c_or_cxx = false;
 275     for(std::vector<LocalObjectEntry>::const_iterator ei =
 276           lo->second.begin(); ei != lo->second.end(); ++ei)
 277       {
 278       if(ei->Language == "C" || ei->Language == "CXX")
 279         {
 280         lang_is_c_or_cxx = true;
 281         }
 282       }
 283
 284     // Add convenience rules for preprocessed and assembly files.
 285     if(lang_is_c_or_cxx && (do_preprocess_rules || do_assembly_rules))
 286       {
 287       std::string::size_type dot_pos = lo->first.rfind(".");
 288       std::string base = lo->first.substr(0, dot_pos);
 289       if(do_preprocess_rules)
 290         {
 291         this->WriteObjectConvenienceRule(
 292           ruleFileStream, "target to preprocess a source file",
 293           (base + ".i").c_str(), lo->second);
 294         }
 295       if(do_assembly_rules)
 296         {
 297         this->WriteObjectConvenienceRule(
 298           ruleFileStream, "target to generate assembly for a file",
 299           (base + ".s").c_str(), lo->second);
 300         }
 301       }
 302     }
 303
 304   // add a help target as long as there isn;t a real target named help
 305   if(emittedTargets.insert("help").second)
 306     {
 307     cmGlobalUnixMakefileGenerator3 *gg =
 308       static_cast<cmGlobalUnixMakefileGenerator3*>(this->GlobalGenerator);
 309     gg->WriteHelpRule(ruleFileStream,this);
 310     }
 311
 312   this->WriteSpecialTargetsBottom(ruleFileStream);
 313 }
 314
 315 //----------------------------------------------------------------------------
 316 void
 317 cmLocalUnixMakefileGenerator3
 318 ::WriteObjectConvenienceRule(std::ostream& ruleFileStream,
 319                              const char* comment, const char* output,
 320                              LocalObjectInfo const& info)
 321 {
 322   // If the rule includes the source file extension then create a
 323   // version that has the extension removed.  The help should include
 324   // only the version without source extension.
 325   bool inHelp = true;
 326   if(info.HasSourceExtension)
 327     {
 328     // Remove the last extension.  This should be kept.
 329     std::string outBase1 = output;
 330     std::string outExt1 = cmSplitExtension(outBase1, outBase1);
 331
 332     // Now remove the source extension and put back the last
 333     // extension.
 334     std::string outNoExt;
 335     cmSplitExtension(outBase1, outNoExt);
 336     outNoExt += outExt1;
 337
 338     // Add a rule to drive the rule below.
 339     std::vector<std::string> depends;
 340     depends.push_back(output);
 341     std::vector<std::string> no_commands;
 342     this->WriteMakeRule(ruleFileStream, 0,
 343                         outNoExt.c_str(), depends, no_commands, true, true);
 344     inHelp = false;
 345     }
 346
 347   // Recursively make the rule for each target using the object file.
 348   std::vector<std::string> commands;
 349   for(std::vector<LocalObjectEntry>::const_iterator t = info.begin();
 350       t != info.end(); ++t)
 351     {
 352     std::string tgtMakefileName =
 353       this->GetRelativeTargetDirectory(*(t->Target));
 354     std::string targetName = tgtMakefileName;
 355     tgtMakefileName += "/build.make";
 356     targetName += "/";
 357     targetName += output;
 358     commands.push_back(
 359       this->GetRecursiveMakeCall(tgtMakefileName.c_str(), targetName.c_str())
 360       );
 361     }
 362   this->CreateCDCommand(commands,
 363                         this->Makefile->GetHomeOutputDirectory(),
 364                         cmLocalGenerator::START_OUTPUT);
 365
 366   // Write the rule to the makefile.
 367   std::vector<std::string> no_depends;
 368   this->WriteMakeRule(ruleFileStream, comment,
 369                       output, no_depends, commands, true, inHelp);
 370 }
 371
 372 //----------------------------------------------------------------------------
 373 void cmLocalUnixMakefileGenerator3
 374 ::WriteLocalMakefileTargets(std::ostream& ruleFileStream,
 375                             std::set<cmStdString> &emitted)
 376 {
 377   std::vector<std::string> depends;
 378   std::vector<std::string> commands;
 379
 380   // for each target we just provide a rule to cd up to the top and do a make
 381   // on the target
 382   cmTargets& targets = this->Makefile->GetTargets();
 383   std::string localName;
 384   for(cmTargets::iterator t = targets.begin(); t != targets.end(); ++t)
 385     {
 386     if((t->second.GetType() == cmTarget::EXECUTABLE) ||
 387        (t->second.GetType() == cmTarget::STATIC_LIBRARY) ||
 388        (t->second.GetType() == cmTarget::SHARED_LIBRARY) ||
 389        (t->second.GetType() == cmTarget::MODULE_LIBRARY) ||
 390        (t->second.GetType() == cmTarget::UTILITY))
 391       {
 392       emitted.insert(t->second.GetName());
 393
 394       // for subdirs add a rule to build this specific target by name.
 395       localName = this->GetRelativeTargetDirectory(t->second);
 396       localName += "/rule";
 397       commands.clear();
 398       depends.clear();
 399
 400       // Build the target for this pass.
 401       std::string makefile2 = cmake::GetCMakeFilesDirectoryPostSlash();
 402       makefile2 += "Makefile2";
 403       commands.push_back(this->GetRecursiveMakeCall
 404                          (makefile2.c_str(),localName.c_str()));
 405       this->CreateCDCommand(commands,
 406                             this->Makefile->GetHomeOutputDirectory(),
 407                             cmLocalGenerator::START_OUTPUT);
 408       this->WriteMakeRule(ruleFileStream, "Convenience name for target.",
 409                           localName.c_str(), depends, commands, true);
 410
 411       // Add a target with the canonical name (no prefix, suffix or path).
 412       if(localName != t->second.GetName())
 413         {
 414         commands.clear();
 415         depends.push_back(localName);
 416         this->WriteMakeRule(ruleFileStream, "Convenience name for target.",
 417                             t->second.GetName(), depends, commands, true);
 418         }
 419
 420       // Add a fast rule to build the target
 421       std::string makefileName = this->GetRelativeTargetDirectory(t->second);
 422       makefileName += "/build.make";
 423       // make sure the makefile name is suitable for a makefile
 424       std::string makeTargetName =
 425         this->GetRelativeTargetDirectory(t->second);
 426       makeTargetName += "/build";
 427       localName = t->second.GetName();
 428       localName += "/fast";
 429       depends.clear();
 430       commands.clear();
 431       commands.push_back(this->GetRecursiveMakeCall
 432                          (makefileName.c_str(), makeTargetName.c_str()));
 433       this->CreateCDCommand(commands,
 434                             this->Makefile->GetHomeOutputDirectory(),
 435                             cmLocalGenerator::START_OUTPUT);
 436       this->WriteMakeRule(ruleFileStream, "fast build rule for target.",
 437                           localName.c_str(), depends, commands, true);
 438
 439       // Add a local name for the rule to relink the target before
 440       // installation.
 441       if(t->second.NeedRelinkBeforeInstall())
 442         {
 443         makeTargetName = this->GetRelativeTargetDirectory(t->second);
 444         makeTargetName += "/preinstall";
 445         localName = t->second.GetName();
 446         localName += "/preinstall";
 447         depends.clear();
 448         commands.clear();
 449         commands.push_back(this->GetRecursiveMakeCall
 450                            (makefile2.c_str(), makeTargetName.c_str()));
 451         this->CreateCDCommand(commands,
 452                               this->Makefile->GetHomeOutputDirectory(),
 453                               cmLocalGenerator::START_OUTPUT);
 454         this->WriteMakeRule(ruleFileStream,
 455                             "Manual pre-install relink rule for target.",
 456                             localName.c_str(), depends, commands, true);
 457         }
 458       }
 459     }
 460 }
 461
 462 //----------------------------------------------------------------------------
 463 void cmLocalUnixMakefileGenerator3::WriteDirectoryInformationFile()
 464 {
 465   std::string infoFileName = this->Makefile->GetStartOutputDirectory();
 466   infoFileName += cmake::GetCMakeFilesDirectory();
 467   infoFileName += "/CMakeDirectoryInformation.cmake";
 468
 469   // Open the output file.
 470   cmGeneratedFileStream infoFileStream(infoFileName.c_str());
 471   if(!infoFileStream)
 472     {
 473     return;
 474     }
 475
 476   // Write the do not edit header.
 477   this->WriteDisclaimer(infoFileStream);
 478
 479   // Setup relative path conversion tops.
 480   infoFileStream
 481     << "# Relative path conversion top directories.\n"
 482     << "SET(CMAKE_RELATIVE_PATH_TOP_SOURCE \"" << this->RelativePathTopSource
 483     << "\")\n"
 484     << "SET(CMAKE_RELATIVE_PATH_TOP_BINARY \"" << this->RelativePathTopBinary
 485     << "\")\n"
 486     << "\n";
 487
 488   // Tell the dependency scanner to use unix paths if necessary.
 489   if(cmSystemTools::GetForceUnixPaths())
 490     {
 491     infoFileStream
 492       << "# Force unix paths in dependencies.\n"
 493       << "SET(CMAKE_FORCE_UNIX_PATHS 1)\n"
 494       << "\n";
 495     }
 496
 497   // Store the include search path for this directory.
 498   infoFileStream
 499     << "# The C and CXX include file search paths:\n";
 500   infoFileStream
 501     << "SET(CMAKE_C_INCLUDE_PATH\n";
 502   std::vector<std::string> includeDirs;
 503   this->GetIncludeDirectories(includeDirs, false);
 504   for(std::vector<std::string>::iterator i = includeDirs.begin();
 505       i != includeDirs.end(); ++i)
 506     {
 507     infoFileStream
 508       << "  \"" << this->Convert(i->c_str(),HOME_OUTPUT).c_str() << "\"\n";
 509     }
 510   infoFileStream
 511     << "  )\n";
 512   infoFileStream
 513     << "SET(CMAKE_CXX_INCLUDE_PATH ${CMAKE_C_INCLUDE_PATH})\n";
 514   infoFileStream
 515     << "SET(CMAKE_Fortran_INCLUDE_PATH ${CMAKE_C_INCLUDE_PATH})\n";
 516
 517   // Store the include regular expressions for this directory.
 518   infoFileStream
 519     << "\n"
 520     << "# The C and CXX include file regular expressions for "
 521     << "this directory.\n";
 522   infoFileStream
 523     << "SET(CMAKE_C_INCLUDE_REGEX_SCAN ";
 524   this->WriteCMakeArgument(infoFileStream,
 525                            this->Makefile->GetIncludeRegularExpression());
 526   infoFileStream
 527     << ")\n";
 528   infoFileStream
 529     << "SET(CMAKE_C_INCLUDE_REGEX_COMPLAIN ";
 530   this->WriteCMakeArgument(infoFileStream,
 531                            this->Makefile->GetComplainRegularExpression());
 532   infoFileStream
 533     << ")\n";
 534   infoFileStream
 535     << "SET(CMAKE_CXX_INCLUDE_REGEX_SCAN ${CMAKE_C_INCLUDE_REGEX_SCAN})\n";
 536   infoFileStream
 537     << "SET(CMAKE_CXX_INCLUDE_REGEX_COMPLAIN "
 538     "${CMAKE_C_INCLUDE_REGEX_COMPLAIN})\n";
 539 }
 540
 541 //----------------------------------------------------------------------------
 542 std::string
 543 cmLocalUnixMakefileGenerator3
 544 ::ConvertToFullPath(const std::string& localPath)
 545 {
 546   std::string dir = this->Makefile->GetStartOutputDirectory();
 547   dir += "/";
 548   dir += localPath;
 549   return dir;
 550 }
 551
 552
 553 const std::string &cmLocalUnixMakefileGenerator3::GetHomeRelativeOutputPath()
 554 {
 555   return this->HomeRelativeOutputPath;
 556 }
 557
 558
 559 //----------------------------------------------------------------------------
 560 void
 561 cmLocalUnixMakefileGenerator3
 562 ::WriteMakeRule(std::ostream& os,
 563                 const char* comment,
 564                 const char* target,
 565                 const std::vector<std::string>& depends,
 566                 const std::vector<std::string>& commands,
 567                 bool symbolic,
 568                 bool in_help)
 569 {
 570   // Make sure there is a target.
 571   if(!target || !*target)
 572     {
 573     cmSystemTools::Error("No target for WriteMakeRule! called with comment: ",
 574                          comment);
 575     return;
 576     }
 577
 578   std::string replace;
 579
 580   // Write the comment describing the rule in the makefile.
 581   if(comment)
 582     {
 583     replace = comment;
 584     std::string::size_type lpos = 0;
 585     std::string::size_type rpos;
 586     while((rpos = replace.find('\n', lpos)) != std::string::npos)
 587       {
 588       os << "# " << replace.substr(lpos, rpos-lpos) << "\n";
 589       lpos = rpos+1;
 590       }
 591     os << "# " << replace.substr(lpos) << "\n";
 592     }
 593
 594   // Construct the left hand side of the rule.
 595   replace = target;
 596   std::string tgt = this->Convert(replace.c_str(),HOME_OUTPUT,MAKEFILE);
 597   const char* space = "";
 598   if(tgt.size() == 1)
 599     {
 600     // Add a space before the ":" to avoid drive letter confusion on
 601     // Windows.
 602     space = " ";
 603     }
 604
 605   // Mark the rule as symbolic if requested.
 606   if(symbolic)
 607     {
 608     if(const char* sym =
 609        this->Makefile->GetDefinition("CMAKE_MAKE_SYMBOLIC_RULE"))
 610       {
 611       os << tgt.c_str() << space << ": " << sym << "\n";
 612       }
 613     }
 614
 615   // Write the rule.
 616   if(depends.empty())
 617     {
 618     // No dependencies.  The commands will always run.
 619     os << tgt.c_str() << space << ":\n";
 620     }
 621   else
 622     {
 623     // Split dependencies into multiple rule lines.  This allows for
 624     // very long dependency lists even on older make implementations.
 625     for(std::vector<std::string>::const_iterator dep = depends.begin();
 626         dep != depends.end(); ++dep)
 627       {
 628       replace = *dep;
 629       replace = this->Convert(replace.c_str(),HOME_OUTPUT,MAKEFILE);
 630       os << tgt.c_str() << space << ": " << replace.c_str() << "\n";
 631       }
 632     }
 633
 634   // Write the list of commands.
 635   for(std::vector<std::string>::const_iterator i = commands.begin();
 636       i != commands.end(); ++i)
 637     {
 638     replace = *i;
 639     os << "\t" << replace.c_str() << "\n";
 640     }
 641   if(symbolic && !this->WatcomWMake)
 642     {
 643     os << ".PHONY : " << tgt.c_str() << "\n";
 644     }
 645   os << "\n";
 646   // Add the output to the local help if requested.
 647   if(in_help)
 648     {
 649     this->LocalHelp.push_back(target);
 650     }
 651 }
 652
 653 //----------------------------------------------------------------------------
 654 void
 655 cmLocalUnixMakefileGenerator3
 656 ::WriteMakeVariables(std::ostream& makefileStream)
 657 {
 658   this->WriteDivider(makefileStream);
 659   makefileStream
 660     << "# Set environment variables for the build.\n"
 661     << "\n";
 662   if(this->DefineWindowsNULL)
 663     {
 664     makefileStream
 665       << "!IF \"$(OS)\" == \"Windows_NT\"\n"
 666       << "NULL=\n"
 667       << "!ELSE\n"
 668       << "NULL=nul\n"
 669       << "!ENDIF\n";
 670     }
 671   if(this->WindowsShell)
 672     {
 673      makefileStream
 674        << "SHELL = cmd.exe\n"
 675        << "\n";
 676     }
 677   else
 678     {
 679       makefileStream
 680         << "# The shell in which to execute make rules.\n"
 681         << "SHELL = /bin/sh\n"
 682         << "\n";
 683     }
 684
 685   std::string cmakecommand =
 686       this->Makefile->GetRequiredDefinition("CMAKE_COMMAND");
 687   makefileStream
 688     << "# The CMake executable.\n"
 689     << "CMAKE_COMMAND = "
 690     << this->Convert(cmakecommand.c_str(), FULL, SHELL).c_str()
 691     << "\n"
 692     << "\n";
 693   makefileStream
 694     << "# The command to remove a file.\n"
 695     << "RM = "
 696     << this->Convert(cmakecommand.c_str(),FULL,SHELL).c_str()
 697     << " -E remove -f\n"
 698     << "\n";
 699
 700   if(const char* edit_cmd =
 701      this->Makefile->GetDefinition("CMAKE_EDIT_COMMAND"))
 702     {
 703     makefileStream
 704       << "# The program to use to edit the cache.\n"
 705       << "CMAKE_EDIT_COMMAND = "
 706       << this->Convert(edit_cmd,FULL,SHELL) << "\n"
 707       << "\n";
 708     }
 709
 710   makefileStream
 711     << "# The top-level source directory on which CMake was run.\n"
 712     << "CMAKE_SOURCE_DIR = "
 713     << this->Convert(this->Makefile->GetHomeDirectory(), FULL, SHELL)
 714     << "\n"
 715     << "\n";
 716   makefileStream
 717     << "# The top-level build directory on which CMake was run.\n"
 718     << "CMAKE_BINARY_DIR = "
 719     << this->Convert(this->Makefile->GetHomeOutputDirectory(), FULL, SHELL)
 720     << "\n"
 721     << "\n";
 722 }
 723
 724 //----------------------------------------------------------------------------
 725 void
 726 cmLocalUnixMakefileGenerator3
 727 ::WriteSpecialTargetsTop(std::ostream& makefileStream)
 728 {
 729   this->WriteDivider(makefileStream);
 730   makefileStream
 731     << "# Special targets provided by cmake.\n"
 732     << "\n";
 733
 734   std::vector<std::string> no_commands;
 735   std::vector<std::string> no_depends;
 736
 737   // Special target to cleanup operation of make tool.
 738   // This should be the first target except for the default_target in
 739   // the interface Makefile.
 740   this->WriteMakeRule(
 741     makefileStream, "Disable implicit rules so canoncical targets will work.",
 742     ".SUFFIXES", no_depends, no_commands, false);
 743
 744   if(!this->NMake && !this->WatcomWMake && !this->BorlandMakeCurlyHack)
 745     {
 746     // turn off RCS and SCCS automatic stuff from gmake
 747     makefileStream
 748       << "# Remove some rules from gmake that .SUFFIXES does not remove.\n"
 749       << "SUFFIXES =\n\n";
 750     }
 751   // Add a fake suffix to keep HP happy.  Must be max 32 chars for SGI make.
 752   std::vector<std::string> depends;
 753   depends.push_back(".hpux_make_needs_suffix_list");
 754   this->WriteMakeRule(makefileStream, 0,
 755                       ".SUFFIXES", depends, no_commands, false);
 756
 757   cmGlobalUnixMakefileGenerator3* gg =
 758     static_cast<cmGlobalUnixMakefileGenerator3*>(this->GlobalGenerator);
 759   // Write special target to silence make output.  This must be after
 760   // the default target in case VERBOSE is set (which changes the
 761   // name).  The setting of CMAKE_VERBOSE_MAKEFILE to ON will cause a
 762   // "VERBOSE=1" to be added as a make variable which will change the
 763   // name of this special target.  This gives a make-time choice to
 764   // the user.
 765   if((this->Makefile->IsOn("CMAKE_VERBOSE_MAKEFILE"))
 766      || (gg->GetForceVerboseMakefiles()))
 767     {
 768     makefileStream
 769       << "# Produce verbose output by default.\n"
 770       << "VERBOSE = 1\n"
 771       << "\n";
 772     }
 773   if(this->SilentNoColon)
 774     {
 775     makefileStream << "$(VERBOSE).SILENT\n";
 776     }
 777   else
 778     {
 779     this->WriteMakeRule(makefileStream,
 780                         "Suppress display of executed commands.",
 781                         "$(VERBOSE).SILENT",
 782                         no_depends,
 783                         no_commands, false);
 784     }
 785
 786   // Work-around for makes that drop rules that have no dependencies
 787   // or commands.
 788   std::string hack = gg->GetEmptyRuleHackDepends();
 789   if(!hack.empty())
 790     {
 791     no_depends.push_back(hack);
 792     }
 793   std::string hack_cmd = gg->GetEmptyRuleHackCommand();
 794   if(!hack_cmd.empty())
 795     {
 796     no_commands.push_back(hack_cmd);
 797     }
 798
 799   // Special symbolic target that never exists to force dependers to
 800   // run their rules.
 801   this->WriteMakeRule
 802     (makefileStream,
 803      "A target that is always out of date.",
 804      "cmake_force", no_depends, no_commands, true);
 805
 806   // Variables for reference by other rules.
 807   this->WriteMakeVariables(makefileStream);
 808 }
 809
 810 //----------------------------------------------------------------------------
 811 void cmLocalUnixMakefileGenerator3
 812 ::WriteSpecialTargetsBottom(std::ostream& makefileStream)
 813 {
 814   this->WriteDivider(makefileStream);
 815   makefileStream
 816     << "# Special targets to cleanup operation of make.\n"
 817     << "\n";
 818
 819   // Write special "cmake_check_build_system" target to run cmake with
 820   // the --check-build-system flag.
 821   {
 822   // Build command to run CMake to check if anything needs regenerating.
 823   std::string cmakefileName = cmake::GetCMakeFilesDirectoryPostSlash();
 824   cmakefileName += "Makefile.cmake";
 825   std::string runRule =
 826     "$(CMAKE_COMMAND) -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)";
 827   runRule += " --check-build-system ";
 828   runRule += this->Convert(cmakefileName.c_str(),NONE,SHELL);
 829   runRule += " 0";
 830
 831   std::vector<std::string> no_depends;
 832   std::vector<std::string> commands;
 833   commands.push_back(runRule);
 834   if(this->Parent)
 835     {
 836     this->CreateCDCommand(commands,
 837                           this->Makefile->GetHomeOutputDirectory(),
 838                           cmLocalGenerator::START_OUTPUT);
 839     }
 840   this->WriteMakeRule(makefileStream,
 841                       "Special rule to run CMake to check the build system "
 842                       "integrity.\n"
 843                       "No rule that depends on this can have "
 844                       "commands that come from listfiles\n"
 845                       "because they might be regenerated.",
 846                       "cmake_check_build_system",
 847                       no_depends,
 848                       commands, true);
 849   }
 850 }
 851
 852
 853
 854 //----------------------------------------------------------------------------
 855 void
 856 cmLocalUnixMakefileGenerator3
 857 ::WriteConvenienceRule(std::ostream& ruleFileStream,
 858                        const char* realTarget,
 859                        const char* helpTarget)
 860 {
 861   // A rule is only needed if the names are different.
 862   if(strcmp(realTarget, helpTarget) != 0)
 863     {
 864     // The helper target depends on the real target.
 865     std::vector<std::string> depends;
 866     depends.push_back(realTarget);
 867
 868     // There are no commands.
 869     std::vector<std::string> no_commands;
 870
 871     // Write the rule.
 872     this->WriteMakeRule(ruleFileStream, "Convenience name for target.",
 873                         helpTarget, depends, no_commands, true);
 874     }
 875 }
 876
 877
 878 //----------------------------------------------------------------------------
 879 std::string
 880 cmLocalUnixMakefileGenerator3
 881 ::GetRelativeTargetDirectory(cmTarget const& target)
 882 {
 883   std::string dir = this->HomeRelativeOutputPath;
 884   dir += this->GetTargetDirectory(target);
 885   return this->Convert(dir.c_str(),NONE,UNCHANGED);
 886 }
 887
 888
 889
 890 //----------------------------------------------------------------------------
 891 void cmLocalUnixMakefileGenerator3::AppendFlags(std::string& flags,
 892                                                 const char* newFlags)
 893 {
 894   if(this->WatcomWMake && newFlags && *newFlags)
 895     {
 896     std::string newf = newFlags;
 897     if(newf.find("\\\"") != newf.npos)
 898       {
 899       cmSystemTools::ReplaceString(newf, "\\\"", "\"");
 900       this->cmLocalGenerator::AppendFlags(flags, newf.c_str());
 901       return;
 902       }
 903     }
 904   this->cmLocalGenerator::AppendFlags(flags, newFlags);
 905 }
 906
 907 //----------------------------------------------------------------------------
 908 void
 909 cmLocalUnixMakefileGenerator3
 910 ::AppendRuleDepend(std::vector<std::string>& depends,
 911                    const char* ruleFileName)
 912 {
 913   // Add a dependency on the rule file itself unless an option to skip
 914   // it is specifically enabled by the user or project.
 915   const char* nodep =
 916     this->Makefile->GetDefinition("CMAKE_SKIP_RULE_DEPENDENCY");
 917   if(!nodep || cmSystemTools::IsOff(nodep))
 918     {
 919     depends.push_back(ruleFileName);
 920     }
 921 }
 922
 923 //----------------------------------------------------------------------------
 924 void
 925 cmLocalUnixMakefileGenerator3
 926 ::AppendCustomDepends(std::vector<std::string>& depends,
 927                       const std::vector<cmCustomCommand>& ccs)
 928 {
 929   for(std::vector<cmCustomCommand>::const_iterator i = ccs.begin();
 930       i != ccs.end(); ++i)
 931     {
 932     this->AppendCustomDepend(depends, *i);
 933     }
 934 }
 935
 936 //----------------------------------------------------------------------------
 937 void
 938 cmLocalUnixMakefileGenerator3
 939 ::AppendCustomDepend(std::vector<std::string>& depends,
 940                      const cmCustomCommand& cc)
 941 {
 942   for(std::vector<std::string>::const_iterator d = cc.GetDepends().begin();
 943       d != cc.GetDepends().end(); ++d)
 944     {
 945     // Lookup the real name of the dependency in case it is a CMake target.
 946     std::string dep = this->GetRealDependency
 947       (d->c_str(), this->ConfigurationName.c_str());
 948     depends.push_back(dep);
 949     }
 950 }
 951
 952 //----------------------------------------------------------------------------
 953 void
 954 cmLocalUnixMakefileGenerator3
 955 ::AppendCustomCommands(std::vector<std::string>& commands,
 956                        const std::vector<cmCustomCommand>& ccs,
 957                        cmLocalGenerator::RelativeRoot relative)
 958 {
 959   for(std::vector<cmCustomCommand>::const_iterator i = ccs.begin();
 960       i != ccs.end(); ++i)
 961     {
 962     this->AppendCustomCommand(commands, *i, true, relative);
 963     }
 964 }
 965
 966 //----------------------------------------------------------------------------
 967 void
 968 cmLocalUnixMakefileGenerator3
 969 ::AppendCustomCommand(std::vector<std::string>& commands,
 970                       const cmCustomCommand& cc, bool echo_comment,
 971                       cmLocalGenerator::RelativeRoot relative)
 972 {
 973   // Optionally create a command to display the custom command's
 974   // comment text.  This is used for pre-build, pre-link, and
 975   // post-build command comments.  Custom build step commands have
 976   // their comments generated elsewhere.
 977   if(echo_comment)
 978     {
 979     const char* comment = cc.GetComment();
 980     if(comment && *comment)
 981       {
 982       this->AppendEcho(commands, comment,
 983                        cmLocalUnixMakefileGenerator3::EchoGenerate);
 984       }
 985     }
 986
 987   // if the command specified a working directory use it.
 988   const char* dir  = this->Makefile->GetStartOutputDirectory();
 989   const char* workingDir = cc.GetWorkingDirectory();
 990   if(workingDir)
 991     {
 992     dir = workingDir;
 993     }
 994   bool escapeOldStyle = cc.GetEscapeOldStyle();
 995   bool escapeAllowMakeVars = cc.GetEscapeAllowMakeVars();
 996
 997   // Add each command line to the set of commands.
 998   std::vector<std::string> commands1;
 999   for(cmCustomCommandLines::const_iterator cl = cc.GetCommandLines().begin();
1000       cl != cc.GetCommandLines().end(); ++cl)
1001     {
1002     // Build the command line in a single string.
1003     const cmCustomCommandLine& commandLine = *cl;
1004     std::string cmd = GetRealLocation(commandLine[0].c_str(),
1005                                       this->ConfigurationName.c_str());
1006     if (cmd.size())
1007       {
1008       cmSystemTools::ReplaceString(cmd, "/./", "/");
1009       // Convert the command to a relative path only if the current
1010       // working directory will be the start-output directory.
1011       bool had_slash = cmd.find("/") != cmd.npos;
1012       if(!workingDir)
1013         {
1014         cmd = this->Convert(cmd.c_str(),START_OUTPUT);
1015         }
1016       bool has_slash = cmd.find("/") != cmd.npos;
1017       if(had_slash && !has_slash)
1018         {
1019         // This command was specified as a path to a file in the
1020         // current directory.  Add a leading "./" so it can run
1021         // without the current directory being in the search path.
1022         cmd = "./" + cmd;
1023         }
1024       if(this->WatcomWMake &&
1025          cmSystemTools::FileIsFullPath(cmd.c_str()) &&
1026          cmd.find(" ") != cmd.npos)
1027         {
1028         // On Watcom WMake use the windows short path for the command
1029         // name.  This is needed to avoid funny quoting problems on
1030         // lines with shell redirection operators.
1031         std::string scmd;
1032         if(cmSystemTools::GetShortPath(cmd.c_str(), scmd))
1033           {
1034           cmd = scmd;
1035           }
1036         }
1037       cmd = this->Convert(cmd.c_str(),NONE,SHELL);
1038       for(unsigned int j=1; j < commandLine.size(); ++j)
1039         {
1040         cmd += " ";
1041         if(escapeOldStyle)
1042           {
1043           cmd += this->EscapeForShellOldStyle(commandLine[j].c_str());
1044           }
1045         else
1046           {
1047           cmd += this->EscapeForShell(commandLine[j].c_str(),
1048                                       escapeAllowMakeVars);
1049           }
1050         }
1051       if(this->BorlandMakeCurlyHack)
1052         {
1053         // Borland Make has a very strange bug.  If the first curly
1054         // brace anywhere in the command string is a left curly, it
1055         // must be written {{} instead of just {.  Otherwise some
1056         // curly braces are removed.  The hack can be skipped if the
1057         // first curly brace is the last character.
1058         std::string::size_type lcurly = cmd.find("{");
1059         if(lcurly != cmd.npos && lcurly < (cmd.size()-1))
1060           {
1061           std::string::size_type rcurly = cmd.find("}");
1062           if(rcurly == cmd.npos || rcurly > lcurly)
1063             {
1064             // The first curly is a left curly.  Use the hack.
1065             std::string hack_cmd = cmd.substr(0, lcurly);
1066             hack_cmd += "{{}";
1067             hack_cmd += cmd.substr(lcurly+1);
1068             cmd = hack_cmd;
1069             }
1070           }
1071         }
1072       commands1.push_back(cmd);
1073       }
1074     }
1075
1076   // Setup the proper working directory for the commands.
1077   this->CreateCDCommand(commands1, dir, relative);
1078
1079   // push back the custom commands
1080   commands.insert(commands.end(), commands1.begin(), commands1.end());
1081 }
1082
1083 //----------------------------------------------------------------------------
1084 void
1085 cmLocalUnixMakefileGenerator3
1086 ::AppendCleanCommand(std::vector<std::string>& commands,
1087                      const std::vector<std::string>& files,
1088                      cmTarget& target, const char* filename)
1089 {
1090   if(!files.empty())
1091     {
1092     std::string cleanfile = this->Makefile->GetCurrentOutputDirectory();
1093     cleanfile += "/";
1094     cleanfile += this->GetTargetDirectory(target);
1095     cleanfile += "/cmake_clean";
1096     if(filename)
1097       {
1098       cleanfile += "_";
1099       cleanfile += filename;
1100       }
1101     cleanfile += ".cmake";
1102     std::string cleanfilePath = this->Convert(cleanfile.c_str(), FULL);
1103     std::ofstream fout(cleanfilePath.c_str());
1104     if(!fout)
1105       {
1106       cmSystemTools::Error("Could not create ", cleanfilePath.c_str());
1107       }
1108     fout << "FILE(REMOVE_RECURSE\n";
1109     std::string remove = "$(CMAKE_COMMAND) -P ";
1110     remove += this->Convert(cleanfile.c_str(), START_OUTPUT, SHELL);
1111     for(std::vector<std::string>::const_iterator f = files.begin();
1112         f != files.end(); ++f)
1113       {
1114       std::string fc = this->Convert(f->c_str(),START_OUTPUT,UNCHANGED);
1115       fout << "  " << this->EscapeForCMake(fc.c_str()) << "\n";
1116       }
1117     fout << ")\n";
1118     commands.push_back(remove);
1119
1120     // For the main clean rule add per-language cleaning.
1121     if(!filename)
1122       {
1123       // Get the set of source languages in the target.
1124       std::set<cmStdString> languages;
1125       target.GetLanguages(languages);
1126       fout << "\n"
1127            << "# Per-language clean rules from dependency scanning.\n"
1128            << "FOREACH(lang";
1129       for(std::set<cmStdString>::const_iterator l = languages.begin();
1130           l != languages.end(); ++l)
1131         {
1132         fout << " " << *l;
1133         }
1134       fout << ")\n"
1135            << "  INCLUDE(" << this->GetTargetDirectory(target)
1136            << "/cmake_clean_${lang}.cmake OPTIONAL)\n"
1137            << "ENDFOREACH(lang)\n";
1138       }
1139     }
1140 }
1141
1142 //----------------------------------------------------------------------------
1143 void
1144 cmLocalUnixMakefileGenerator3::AppendEcho(std::vector<std::string>& commands,
1145                                           const char* text,
1146                                           EchoColor color)
1147 {
1148   // Choose the color for the text.
1149   std::string color_name;
1150 #ifdef CMAKE_BUILD_WITH_CMAKE
1151   if(this->GlobalGenerator->GetToolSupportsColor() && this->ColorMakefile)
1152     {
1153     // See cmake::ExecuteEchoColor in cmake.cxx for these options.
1154     // This color set is readable on both black and white backgrounds.
1155     switch(color)
1156       {
1157       case EchoNormal:
1158         break;
1159       case EchoDepend:
1160         color_name = "--magenta --bold ";
1161         break;
1162       case EchoBuild:
1163         color_name = "--green ";
1164         break;
1165       case EchoLink:
1166         color_name = "--red --bold ";
1167         break;
1168       case EchoGenerate:
1169         color_name = "--blue --bold ";
1170         break;
1171       case EchoGlobal:
1172         color_name = "--cyan ";
1173         break;
1174       }
1175     }
1176 #else
1177   (void)color;
1178 #endif
1179
1180   // Echo one line at a time.
1181   std::string line;
1182   line.reserve(200);
1183   for(const char* c = text;; ++c)
1184     {
1185     if(*c == '\n' || *c == '\0')
1186       {
1187       // Avoid writing a blank last line on end-of-string.
1188       if(*c != '\0' || !line.empty())
1189         {
1190         // Add a command to echo this line.
1191         std::string cmd;
1192         if(color_name.empty())
1193           {
1194           // Use the native echo command.
1195           cmd = this->NativeEchoCommand;
1196           cmd += this->EscapeForShell(line.c_str(), false,
1197                                       this->NativeEchoWindows);
1198           }
1199         else
1200           {
1201           // Use cmake to echo the text in color.
1202           cmd = "@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) ";
1203           cmd += color_name;
1204           cmd += this->EscapeForShell(line.c_str());
1205           }
1206         commands.push_back(cmd);
1207         }
1208
1209       // Reset the line to emtpy.
1210       line = "";
1211
1212       // Terminate on end-of-string.
1213       if(*c == '\0')
1214         {
1215         return;
1216         }
1217       }
1218     else if(*c != '\r')
1219       {
1220       // Append this character to the current line.
1221       line += *c;
1222       }
1223     }
1224 }
1225
1226 //----------------------------------------------------------------------------
1227 std::string
1228 cmLocalUnixMakefileGenerator3
1229 ::CreateMakeVariable(const char* sin, const char* s2in)
1230 {
1231   std::string s = sin;
1232   std::string s2 = s2in;
1233   std::string unmodified = s;
1234   unmodified += s2;
1235   // if there is no restriction on the length of make variables
1236   // and there are no "." charactors in the string, then return the
1237   // unmodified combination.
1238   if((!this->MakefileVariableSize && unmodified.find('.') == s.npos)
1239      && (!this->MakefileVariableSize && unmodified.find('-') == s.npos))
1240     {
1241     return unmodified;
1242     }
1243
1244   // see if the variable has been defined before and return
1245   // the modified version of the variable
1246   std::map<cmStdString, cmStdString>::iterator i =
1247     this->MakeVariableMap.find(unmodified);
1248   if(i != this->MakeVariableMap.end())
1249     {
1250     return i->second;
1251     }
1252   // start with the unmodified variable
1253   std::string ret = unmodified;
1254   // if this there is no value for this->MakefileVariableSize then
1255   // the string must have bad characters in it
1256   if(!this->MakefileVariableSize)
1257     {
1258     cmSystemTools::ReplaceString(ret, ".", "_");
1259     cmSystemTools::ReplaceString(ret, "-", "__");
1260     int ni = 0;
1261     char buffer[5];
1262     // make sure the _ version is not already used, if
1263     // it is used then add number to the end of the variable
1264     while(this->ShortMakeVariableMap.count(ret) && ni < 1000)
1265       {
1266       ++ni;
1267       sprintf(buffer, "%04d", ni);
1268       ret = unmodified + buffer;
1269       }
1270     this->ShortMakeVariableMap[ret] = "1";
1271     this->MakeVariableMap[unmodified] = ret;
1272     return ret;
1273     }
1274
1275   // if the string is greater the 32 chars it is an invalid vairable name
1276   // for borland make
1277   if(static_cast<int>(ret.size()) > this->MakefileVariableSize)
1278     {
1279     int keep = this->MakefileVariableSize - 8;
1280     int size = keep + 3;
1281     std::string str1 = s;
1282     std::string str2 = s2;
1283     // we must shorten the combined string by 4 charactors
1284     // keep no more than 24 charactors from the second string
1285     if(static_cast<int>(str2.size()) > keep)
1286       {
1287       str2 = str2.substr(0, keep);
1288       }
1289     if(static_cast<int>(str1.size()) + static_cast<int>(str2.size()) > size)
1290       {
1291       str1 = str1.substr(0, size - str2.size());
1292       }
1293     char buffer[5];
1294     int ni = 0;
1295     sprintf(buffer, "%04d", ni);
1296     ret = str1 + str2 + buffer;
1297     while(this->ShortMakeVariableMap.count(ret) && ni < 1000)
1298       {
1299       ++ni;
1300       sprintf(buffer, "%04d", ni);
1301       ret = str1 + str2 + buffer;
1302       }
1303     if(ni == 1000)
1304       {
1305       cmSystemTools::Error("Borland makefile variable length too long");
1306       return unmodified;
1307       }
1308     // once an unused variable is found
1309     this->ShortMakeVariableMap[ret] = "1";
1310     }
1311   // always make an entry into the unmodified to variable map
1312   this->MakeVariableMap[unmodified] = ret;
1313   return ret;
1314 }
1315
1316 //----------------------------------------------------------------------------
1317 bool cmLocalUnixMakefileGenerator3::UpdateDependencies(const char* tgtInfo,
1318                                                        bool verbose,
1319                                                        bool color)
1320 {
1321   // read in the target info file
1322   if(!this->Makefile->ReadListFile(0, tgtInfo) ||
1323      cmSystemTools::GetErrorOccuredFlag())
1324     {
1325     cmSystemTools::Error("Target DependInfo.cmake file not found");
1326     }
1327
1328   // Check if any multiple output pairs have a missing file.
1329   this->CheckMultipleOutputs(verbose);
1330
1331   std::string dir = cmSystemTools::GetFilenamePath(tgtInfo);
1332   std::string internalDependFile = dir + "/depend.internal";
1333   std::string dependFile = dir + "/depend.make";
1334
1335   // If the target DependInfo.cmake file has changed since the last
1336   // time dependencies were scanned then force rescanning.  This may
1337   // happen when a new source file is added and CMake regenerates the
1338   // project but no other sources were touched.
1339   bool needRescan = false;
1340   cmFileTimeComparison* ftc =
1341     this->GlobalGenerator->GetCMakeInstance()->GetFileComparison();
1342   {
1343   int result;
1344   if(!ftc->FileTimeCompare(internalDependFile.c_str(), tgtInfo, &result) ||
1345      result < 0)
1346     {
1347     if(verbose)
1348       {
1349       cmOStringStream msg;
1350       msg << "Dependee \"" << tgtInfo
1351           << "\" is newer than depender \""
1352           << internalDependFile << "\"." << std::endl;
1353       cmSystemTools::Stdout(msg.str().c_str());
1354       }
1355     needRescan = true;
1356     }
1357   }
1358
1359   // Check the implicit dependencies to see if they are up to date.
1360   // The build.make file may have explicit dependencies for the object
1361   // files but these will not affect the scanning process so they need
1362   // not be considered.
1363   cmDependsC checker;
1364   checker.SetVerbose(verbose);
1365   checker.SetFileComparison(ftc);
1366   if(needRescan ||
1367      !checker.Check(dependFile.c_str(), internalDependFile.c_str()))
1368     {
1369     // The dependencies must be regenerated.
1370     std::string targetName = cmSystemTools::GetFilenameName(dir);
1371     targetName = targetName.substr(0, targetName.length()-4);
1372     std::string message = "Scanning dependencies of target ";
1373     message += targetName;
1374 #ifdef CMAKE_BUILD_WITH_CMAKE
1375     cmSystemTools::MakefileColorEcho(
1376       cmsysTerminal_Color_ForegroundMagenta |
1377       cmsysTerminal_Color_ForegroundBold,
1378       message.c_str(), true, color);
1379 #else
1380     fprintf(stdout, "%s\n", message.c_str());
1381 #endif
1382
1383     return this->ScanDependencies(dir.c_str());
1384     }
1385   else
1386     {
1387     // The dependencies are already up-to-date.
1388     return true;
1389     }
1390 }
1391
1392 //----------------------------------------------------------------------------
1393 bool
1394 cmLocalUnixMakefileGenerator3
1395 ::ScanDependencies(const char* targetDir)
1396 {
1397   // Read the directory information file.
1398   cmMakefile* mf = this->Makefile;
1399   bool haveDirectoryInfo = false;
1400   std::string dirInfoFile = this->Makefile->GetStartOutputDirectory();
1401   dirInfoFile += cmake::GetCMakeFilesDirectory();
1402   dirInfoFile += "/CMakeDirectoryInformation.cmake";
1403   if(mf->ReadListFile(0, dirInfoFile.c_str()) &&
1404      !cmSystemTools::GetErrorOccuredFlag())
1405     {
1406     haveDirectoryInfo = true;
1407     }
1408
1409   // Lookup useful directory information.
1410   if(haveDirectoryInfo)
1411     {
1412     // Test whether we need to force Unix paths.
1413     if(const char* force = mf->GetDefinition("CMAKE_FORCE_UNIX_PATHS"))
1414       {
1415       if(!cmSystemTools::IsOff(force))
1416         {
1417         cmSystemTools::SetForceUnixPaths(true);
1418         }
1419       }
1420
1421     // Setup relative path top directories.
1422     this->RelativePathsConfigured = true;
1423     if(const char* relativePathTopSource =
1424        mf->GetDefinition("CMAKE_RELATIVE_PATH_TOP_SOURCE"))
1425       {
1426       this->RelativePathTopSource = relativePathTopSource;
1427       }
1428     if(const char* relativePathTopBinary =
1429        mf->GetDefinition("CMAKE_RELATIVE_PATH_TOP_BINARY"))
1430       {
1431       this->RelativePathTopBinary = relativePathTopBinary;
1432       }
1433     }
1434   else
1435     {
1436     cmSystemTools::Error("Directory Information file not found");
1437     }
1438
1439   // create the file stream for the depends file
1440   std::string dir = targetDir;
1441
1442   // Open the make depends file.  This should be copy-if-different
1443   // because the make tool may try to reload it needlessly otherwise.
1444   std::string ruleFileNameFull = dir;
1445   ruleFileNameFull += "/depend.make";
1446   cmGeneratedFileStream ruleFileStream(ruleFileNameFull.c_str());
1447   ruleFileStream.SetCopyIfDifferent(true);
1448   if(!ruleFileStream)
1449     {
1450     return false;
1451     }
1452
1453   // Open the cmake dependency tracking file.  This should not be
1454   // copy-if-different because dependencies are re-scanned when it is
1455   // older than the DependInfo.cmake.
1456   std::string internalRuleFileNameFull = dir;
1457   internalRuleFileNameFull += "/depend.internal";
1458   cmGeneratedFileStream
1459     internalRuleFileStream(internalRuleFileNameFull.c_str());
1460   if(!internalRuleFileStream)
1461     {
1462     return false;
1463     }
1464
1465   this->WriteDisclaimer(ruleFileStream);
1466   this->WriteDisclaimer(internalRuleFileStream);
1467
1468   // for each language we need to scan, scan it
1469   const char *langStr = mf->GetSafeDefinition("CMAKE_DEPENDS_LANGUAGES");
1470   std::vector<std::string> langs;
1471   cmSystemTools::ExpandListArgument(langStr, langs);
1472   for (std::vector<std::string>::iterator li =
1473          langs.begin(); li != langs.end(); ++li)
1474     {
1475     // construct the checker
1476     std::string lang = li->c_str();
1477
1478     // Create the scanner for this language
1479     cmDepends *scanner = 0;
1480     if(lang == "C" || lang == "CXX" || lang == "RC")
1481       {
1482       // TODO: Handle RC (resource files) dependencies correctly.
1483       scanner = new cmDependsC(this, targetDir, lang.c_str());
1484       }
1485 #ifdef CMAKE_BUILD_WITH_CMAKE
1486     else if(lang == "Fortran")
1487       {
1488       scanner = new cmDependsFortran(this);
1489       }
1490     else if(lang == "Java")
1491       {
1492       scanner = new cmDependsJava();
1493       }
1494 #endif
1495
1496     if (scanner)
1497       {
1498       scanner->SetLocalGenerator(this);
1499       scanner->SetFileComparison
1500         (this->GlobalGenerator->GetCMakeInstance()->GetFileComparison());
1501       scanner->SetLanguage(lang.c_str());
1502       scanner->SetTargetDirectory(dir.c_str());
1503       scanner->Write(ruleFileStream, internalRuleFileStream);
1504
1505       // free the scanner for this language
1506       delete scanner;
1507       }
1508     }
1509
1510   return true;
1511 }
1512
1513 //----------------------------------------------------------------------------
1514 void cmLocalUnixMakefileGenerator3::CheckMultipleOutputs(bool verbose)
1515 {
1516   cmMakefile* mf = this->Makefile;
1517
1518   // Get the string listing the multiple output pairs.
1519   const char* pairs_string = mf->GetDefinition("CMAKE_MULTIPLE_OUTPUT_PAIRS");
1520   if(!pairs_string)
1521     {
1522     return;
1523     }
1524
1525   // Convert the string to a list and preserve empty entries.
1526   std::vector<std::string> pairs;
1527   cmSystemTools::ExpandListArgument(pairs_string, pairs, true);
1528   for(std::vector<std::string>::const_iterator i = pairs.begin();
1529       i != pairs.end() && (i+1) != pairs.end();)
1530     {
1531     const std::string& depender = *i++;
1532     const std::string& dependee = *i++;
1533
1534     // If the depender is missing then delete the dependee to make
1535     // sure both will be regenerated.
1536     if(cmSystemTools::FileExists(dependee.c_str()) &&
1537        !cmSystemTools::FileExists(depender.c_str()))
1538       {
1539       if(verbose)
1540         {
1541         cmOStringStream msg;
1542         msg << "Deleting primary custom command output \"" << dependee
1543             << "\" because another output \""
1544             << depender << "\" does not exist." << std::endl;
1545         cmSystemTools::Stdout(msg.str().c_str());
1546         }
1547       cmSystemTools::RemoveFile(dependee.c_str());
1548       }
1549     }
1550 }
1551
1552 //----------------------------------------------------------------------------
1553 void cmLocalUnixMakefileGenerator3
1554 ::WriteLocalAllRules(std::ostream& ruleFileStream)
1555 {
1556   this->WriteDisclaimer(ruleFileStream);
1557
1558   // Write the main entry point target.  This must be the VERY first
1559   // target so that make with no arguments will run it.
1560   {
1561   // Just depend on the all target to drive the build.
1562   std::vector<std::string> depends;
1563   std::vector<std::string> no_commands;
1564   depends.push_back("all");
1565
1566   // Write the rule.
1567   this->WriteMakeRule(ruleFileStream,
1568                       "Default target executed when no arguments are "
1569                       "given to make.",
1570                       "default_target",
1571                       depends,
1572                       no_commands, true);
1573   }
1574
1575   this->WriteSpecialTargetsTop(ruleFileStream);
1576
1577   // Include the progress variables for the target.
1578   // Write all global targets
1579   this->WriteDivider(ruleFileStream);
1580   ruleFileStream
1581     << "# Targets provided globally by CMake.\n"
1582     << "\n";
1583   cmTargets* targets = &(this->Makefile->GetTargets());
1584   cmTargets::iterator glIt;
1585   for ( glIt = targets->begin(); glIt != targets->end(); ++ glIt )
1586     {
1587     if ( glIt->second.GetType() == cmTarget::GLOBAL_TARGET )
1588       {
1589       std::string targetString = "Special rule for the target " + glIt->first;
1590       std::vector<std::string> commands;
1591       std::vector<std::string> depends;
1592
1593       const char* text = glIt->second.GetProperty("EchoString");
1594       if ( !text )
1595         {
1596         text = "Running external command ...";
1597         }
1598       std::set<cmStdString>::const_iterator dit;
1599       for ( dit = glIt->second.GetUtilities().begin();
1600          dit != glIt->second.GetUtilities().end();
1601         ++ dit )
1602         {
1603         depends.push_back(dit->c_str());
1604         }
1605       this->AppendEcho(commands, text,
1606                        cmLocalUnixMakefileGenerator3::EchoGlobal);
1607
1608       // Global targets store their rules in pre- and post-build commands.
1609       this->AppendCustomDepends(depends,
1610                                 glIt->second.GetPreBuildCommands());
1611       this->AppendCustomDepends(depends,
1612                                 glIt->second.GetPostBuildCommands());
1613       this->AppendCustomCommands(commands,
1614                                  glIt->second.GetPreBuildCommands(),
1615                                  cmLocalGenerator::START_OUTPUT);
1616       this->AppendCustomCommands(commands,
1617                                  glIt->second.GetPostBuildCommands(),
1618                                  cmLocalGenerator::START_OUTPUT);
1619       std::string targetName = glIt->second.GetName();
1620       this->WriteMakeRule(ruleFileStream, targetString.c_str(),
1621                           targetName.c_str(), depends, commands, true);
1622
1623       // Provide a "/fast" version of the target.
1624       depends.clear();
1625       if((targetName == "install")
1626           || (targetName == "install_local")
1627           || (targetName == "install_strip"))
1628         {
1629         // Provide a fast install target that does not depend on all
1630         // but has the same command.
1631         depends.push_back("preinstall/fast");
1632         }
1633       else
1634         {
1635         // Just forward to the real target so at least it will work.
1636         depends.push_back(targetName);
1637         commands.clear();
1638         }
1639       targetName += "/fast";
1640       this->WriteMakeRule(ruleFileStream, targetString.c_str(),
1641                           targetName.c_str(), depends, commands, true);
1642       }
1643     }
1644
1645   std::vector<std::string> depends;
1646   std::vector<std::string> commands;
1647
1648   // Write the all rule.
1649   std::string dir;
1650   std::string recursiveTarget = this->Makefile->GetStartOutputDirectory();
1651   recursiveTarget += "/all";
1652
1653   depends.push_back("cmake_check_build_system");
1654
1655   std::string progressDir = this->Makefile->GetHomeOutputDirectory();
1656   progressDir += cmake::GetCMakeFilesDirectory();
1657     {
1658     cmOStringStream progCmd;
1659     progCmd <<
1660       "$(CMAKE_COMMAND) -E cmake_progress_start ";
1661     progCmd << this->Convert(progressDir.c_str(),
1662                              cmLocalGenerator::FULL,
1663                              cmLocalGenerator::SHELL);
1664
1665     std::string progressFile = cmake::GetCMakeFilesDirectory();
1666     progressFile += "/progress.make";
1667     std::string progressFileNameFull =
1668       this->ConvertToFullPath(progressFile.c_str());
1669     progCmd << " " << this->Convert(progressFileNameFull.c_str(),
1670                                     cmLocalGenerator::FULL,
1671                                     cmLocalGenerator::SHELL);
1672     commands.push_back(progCmd.str());
1673     }
1674   std::string mf2Dir = cmake::GetCMakeFilesDirectoryPostSlash();
1675   mf2Dir += "Makefile2";
1676   commands.push_back(this->GetRecursiveMakeCall(mf2Dir.c_str(),
1677                                                 recursiveTarget.c_str()));
1678   this->CreateCDCommand(commands,
1679                         this->Makefile->GetHomeOutputDirectory(),
1680                         cmLocalGenerator::START_OUTPUT);
1681     {
1682     cmOStringStream progCmd;
1683     progCmd << "$(CMAKE_COMMAND) -E cmake_progress_start "; // # 0
1684     progCmd << this->Convert(progressDir.c_str(),
1685                              cmLocalGenerator::FULL,
1686                              cmLocalGenerator::SHELL);
1687     progCmd << " 0";
1688     commands.push_back(progCmd.str());
1689     }
1690   this->WriteMakeRule(ruleFileStream, "The main all target", "all",
1691                       depends, commands, true);
1692
1693   // Write the clean rule.
1694   recursiveTarget = this->Makefile->GetStartOutputDirectory();
1695   recursiveTarget += "/clean";
1696   commands.clear();
1697   depends.clear();
1698   commands.push_back(this->GetRecursiveMakeCall(mf2Dir.c_str(),
1699                                                 recursiveTarget.c_str()));
1700   this->CreateCDCommand(commands,
1701                                 this->Makefile->GetHomeOutputDirectory(),
1702                                 cmLocalGenerator::START_OUTPUT);
1703   this->WriteMakeRule(ruleFileStream, "The main clean target", "clean",
1704                       depends, commands, true);
1705   commands.clear();
1706   depends.clear();
1707   depends.push_back("clean");
1708   this->WriteMakeRule(ruleFileStream, "The main clean target", "clean/fast",
1709                       depends, commands, true);
1710
1711   // Write the preinstall rule.
1712   recursiveTarget = this->Makefile->GetStartOutputDirectory();
1713   recursiveTarget += "/preinstall";
1714   commands.clear();
1715   depends.clear();
1716   const char* noall =
1717     this->Makefile->GetDefinition("CMAKE_SKIP_INSTALL_ALL_DEPENDENCY");
1718   if(!noall || cmSystemTools::IsOff(noall))
1719     {
1720     // Drive the build before installing.
1721     depends.push_back("all");
1722     }
1723   else
1724     {
1725     // At least make sure the build system is up to date.
1726     depends.push_back("cmake_check_build_system");
1727     }
1728   commands.push_back
1729     (this->GetRecursiveMakeCall(mf2Dir.c_str(), recursiveTarget.c_str()));
1730   this->CreateCDCommand(commands,
1731                         this->Makefile->GetHomeOutputDirectory(),
1732                         cmLocalGenerator::START_OUTPUT);
1733   this->WriteMakeRule(ruleFileStream, "Prepare targets for installation.",
1734                       "preinstall", depends, commands, true);
1735   depends.clear();
1736   this->WriteMakeRule(ruleFileStream, "Prepare targets for installation.",
1737                       "preinstall/fast", depends, commands, true);
1738
1739   // write the depend rule, really a recompute depends rule
1740   depends.clear();
1741   commands.clear();
1742   std::string cmakefileName = cmake::GetCMakeFilesDirectoryPostSlash();
1743   cmakefileName += "Makefile.cmake";
1744   std::string runRule =
1745     "$(CMAKE_COMMAND) -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)";
1746   runRule += " --check-build-system ";
1747   runRule += this->Convert(cmakefileName.c_str(),cmLocalGenerator::NONE,
1748                            cmLocalGenerator::SHELL);
1749   runRule += " 1";
1750   commands.push_back(runRule);
1751   this->CreateCDCommand(commands,
1752                         this->Makefile->GetHomeOutputDirectory(),
1753                         cmLocalGenerator::START_OUTPUT);
1754   this->WriteMakeRule(ruleFileStream, "clear depends",
1755                       "depend",
1756                       depends, commands, true);
1757 }
1758
1759
1760 //----------------------------------------------------------------------------
1761 void cmLocalUnixMakefileGenerator3::ClearDependencies(cmMakefile* mf,
1762                                                       bool verbose)
1763 {
1764   // Get the list of target files to check
1765   const char* infoDef = mf->GetDefinition("CMAKE_DEPEND_INFO_FILES");
1766   if(!infoDef)
1767     {
1768     return;
1769     }
1770   std::vector<std::string> files;
1771   cmSystemTools::ExpandListArgument(infoDef, files);
1772
1773   // Each depend information file corresponds to a target.  Clear the
1774   // dependencies for that target.
1775   cmDepends clearer;
1776   clearer.SetVerbose(verbose);
1777   for(std::vector<std::string>::iterator l = files.begin();
1778       l != files.end(); ++l)
1779     {
1780     std::string dir = cmSystemTools::GetFilenamePath(l->c_str());
1781
1782     // Clear the implicit dependency makefile.
1783     std::string dependFile = dir + "/depend.make";
1784     clearer.Clear(dependFile.c_str());
1785
1786     // Remove the internal dependency check file to force
1787     // regeneration.
1788     std::string internalDependFile = dir + "/depend.internal";
1789     cmSystemTools::RemoveFile(internalDependFile.c_str());
1790     }
1791 }
1792
1793
1794 void cmLocalUnixMakefileGenerator3
1795 ::WriteDependLanguageInfo(std::ostream& cmakefileStream, cmTarget &target)
1796 {
1797   ImplicitDependLanguageMap const& implicitLangs =
1798     this->GetImplicitDepends(target);
1799
1800   // list the languages
1801   cmakefileStream
1802     << "# The set of languages for which implicit dependencies are needed:\n";
1803   cmakefileStream
1804     << "SET(CMAKE_DEPENDS_LANGUAGES\n";
1805   for(ImplicitDependLanguageMap::const_iterator
1806         l = implicitLangs.begin(); l != implicitLangs.end(); ++l)
1807     {
1808     cmakefileStream << "  \"" << l->first.c_str() << "\"\n";
1809     }
1810   cmakefileStream << "  )\n";
1811
1812   // now list the files for each language
1813   cmakefileStream
1814     << "# The set of files for implicit dependencies of each language:\n";
1815   for(ImplicitDependLanguageMap::const_iterator
1816         l = implicitLangs.begin(); l != implicitLangs.end(); ++l)
1817     {
1818     cmakefileStream
1819       << "SET(CMAKE_DEPENDS_CHECK_" << l->first.c_str() << "\n";
1820     ImplicitDependFileMap const& implicitPairs = l->second;
1821
1822     // for each file pair
1823     for(ImplicitDependFileMap::const_iterator pi = implicitPairs.begin();
1824         pi != implicitPairs.end(); ++pi)
1825       {
1826       cmakefileStream << "  \"" << pi->second << "\" ";
1827       cmakefileStream << "\"" << pi->first << "\"\n";
1828       }
1829     cmakefileStream << "  )\n";
1830
1831     // Tell the dependency scanner what compiler is used.
1832     std::string cidVar = "CMAKE_";
1833     cidVar += l->first;
1834     cidVar += "_COMPILER_ID";
1835     const char* cid = this->Makefile->GetDefinition(cidVar.c_str());
1836     if(cid && *cid)
1837       {
1838       cmakefileStream
1839         << "SET(CMAKE_" << l->first.c_str() << "_COMPILER_ID \""
1840         << cid << "\")\n";
1841       }
1842     }
1843
1844   // Build a list of preprocessor definitions for the target.
1845   std::vector<std::string> defines;
1846   {
1847   std::string defPropName = "COMPILE_DEFINITIONS_";
1848   defPropName += cmSystemTools::UpperCase(this->ConfigurationName);
1849   if(const char* ddefs = this->Makefile->GetProperty("COMPILE_DEFINITIONS"))
1850     {
1851     cmSystemTools::ExpandListArgument(ddefs, defines);
1852     }
1853   if(const char* cdefs = target.GetProperty("COMPILE_DEFINITIONS"))
1854     {
1855     cmSystemTools::ExpandListArgument(cdefs, defines);
1856     }
1857   if(const char* dcdefs = this->Makefile->GetProperty(defPropName.c_str()))
1858     {
1859     cmSystemTools::ExpandListArgument(dcdefs, defines);
1860     }
1861   if(const char* ccdefs = target.GetProperty(defPropName.c_str()))
1862     {
1863     cmSystemTools::ExpandListArgument(ccdefs, defines);
1864     }
1865   }
1866   if(!defines.empty())
1867     {
1868     cmakefileStream
1869       << "\n"
1870       << "# Preprocessor definitions for this target.\n"
1871       << "SET(CMAKE_TARGET_DEFINITIONS\n";
1872     for(std::vector<std::string>::const_iterator di = defines.begin();
1873         di != defines.end(); ++di)
1874       {
1875       cmakefileStream
1876         << "  " << this->EscapeForCMake(di->c_str()) << "\n";
1877       }
1878     cmakefileStream
1879       << "  )\n";
1880     }
1881
1882   // Store include transform rule properties.  Write the directory
1883   // rules first because they may be overridden by later target rules.
1884   std::vector<std::string> transformRules;
1885   if(const char* xform =
1886      this->Makefile->GetProperty("IMPLICIT_DEPENDS_INCLUDE_TRANSFORM"))
1887     {
1888     cmSystemTools::ExpandListArgument(xform, transformRules);
1889     }
1890   if(const char* xform =
1891      target.GetProperty("IMPLICIT_DEPENDS_INCLUDE_TRANSFORM"))
1892     {
1893     cmSystemTools::ExpandListArgument(xform, transformRules);
1894     }
1895   if(!transformRules.empty())
1896     {
1897     cmakefileStream
1898       << "SET(CMAKE_INCLUDE_TRANSFORMS\n";
1899     for(std::vector<std::string>::const_iterator tri = transformRules.begin();
1900         tri != transformRules.end(); ++tri)
1901       {
1902       cmakefileStream << "  " << this->EscapeForCMake(tri->c_str()) << "\n";
1903       }
1904     cmakefileStream
1905       << "  )\n";
1906     }
1907 }
1908
1909 //----------------------------------------------------------------------------
1910 std::string
1911 cmLocalUnixMakefileGenerator3
1912 ::GetObjectFileName(cmTarget& target,
1913                     const cmSourceFile& source,
1914                     std::string* nameWithoutTargetDir,
1915                     bool* hasSourceExtension)
1916 {
1917   // Make sure we never hit this old case.
1918   if(source.GetProperty("MACOSX_PACKAGE_LOCATION"))
1919     {
1920     std::string msg = "MACOSX_PACKAGE_LOCATION set on source file: ";
1921     msg += source.GetFullPath();
1922     this->GetMakefile()->IssueMessage(cmake::INTERNAL_ERROR,
1923                                       msg.c_str());
1924     }
1925
1926   // Start with the target directory.
1927   std::string obj = this->GetTargetDirectory(target);
1928   obj += "/";
1929
1930   // Get the object file name without the target directory.
1931   std::string::size_type dir_len = 0;
1932   dir_len += strlen(this->Makefile->GetCurrentOutputDirectory());
1933   dir_len += 1;
1934   dir_len += obj.size();
1935   std::string objectName =
1936     this->GetObjectFileNameWithoutTarget(source, dir_len,
1937                                          hasSourceExtension);
1938   if(nameWithoutTargetDir)
1939     {
1940     *nameWithoutTargetDir = objectName;
1941     }
1942
1943   // Append the object name to the target directory.
1944   obj += objectName;
1945   return obj;
1946 }
1947
1948 //----------------------------------------------------------------------------
1949 void cmLocalUnixMakefileGenerator3::WriteDisclaimer(std::ostream& os)
1950 {
1951   os
1952     << "# CMAKE generated file: DO NOT EDIT!\n"
1953     << "# Generated by \"" << this->GlobalGenerator->GetName() << "\""
1954     << " Generator, CMake Version "
1955     << cmVersion::GetMajorVersion() << "."
1956     << cmVersion::GetMinorVersion() << "\n\n";
1957 }
1958
1959 //----------------------------------------------------------------------------
1960 std::string
1961 cmLocalUnixMakefileGenerator3
1962 ::GetRecursiveMakeCall(const char *makefile, const char* tgt)
1963 {
1964   // Call make on the given file.
1965   std::string cmd;
1966   cmd += "$(MAKE) -f ";
1967   cmd += this->Convert(makefile,NONE,SHELL);
1968   cmd += " ";
1969
1970   // Passg down verbosity level.
1971   if(this->GetMakeSilentFlag().size())
1972     {
1973     cmd += this->GetMakeSilentFlag();
1974     cmd += " ";
1975     }
1976
1977   // Most unix makes will pass the command line flags to make down to
1978   // sub-invoked makes via an environment variable.  However, some
1979   // makes do not support that, so you have to pass the flags
1980   // explicitly.
1981   if(this->GetPassMakeflags())
1982     {
1983     cmd += "-$(MAKEFLAGS) ";
1984     }
1985
1986   // Add the target.
1987   if (tgt && tgt[0] != '\0')
1988     {
1989     // The make target is always relative to the top of the build tree.
1990     std::string tgt2 = this->Convert(tgt, HOME_OUTPUT);
1991
1992     // The target may have been written with windows paths.
1993     cmSystemTools::ConvertToOutputSlashes(tgt2);
1994
1995     // Escape one extra time if the make tool requires it.
1996     if(this->MakeCommandEscapeTargetTwice)
1997       {
1998       tgt2 = this->EscapeForShell(tgt2.c_str(), true, false);
1999       }
2000
2001     // The target name is now a string that should be passed verbatim
2002     // on the command line.
2003     cmd += this->EscapeForShell(tgt2.c_str(), true, false);
2004     }
2005   return cmd;
2006 }
2007
2008 //----------------------------------------------------------------------------
2009 void cmLocalUnixMakefileGenerator3::WriteDivider(std::ostream& os)
2010 {
2011   os
2012     << "#======================================"
2013     << "=======================================\n";
2014 }
2015
2016 //----------------------------------------------------------------------------
2017 void
2018 cmLocalUnixMakefileGenerator3
2019 ::WriteCMakeArgument(std::ostream& os, const char* s)
2020 {
2021   // Write the given string to the stream with escaping to get it back
2022   // into CMake through the lexical scanner.
2023   os << "\"";
2024   for(const char* c = s; *c; ++c)
2025     {
2026     if(*c == '\\')
2027       {
2028       os << "\\\\";
2029       }
2030     else if(*c == '"')
2031       {
2032       os << "\\\"";
2033       }
2034     else
2035       {
2036       os << *c;
2037       }
2038     }
2039   os << "\"";
2040 }
2041
2042 //----------------------------------------------------------------------------
2043 std::string
2044 cmLocalUnixMakefileGenerator3::ConvertToQuotedOutputPath(const char* p)
2045 {
2046
2047   // Split the path into its components.
2048   std::vector<std::string> components;
2049   cmSystemTools::SplitPath(p, components);
2050
2051   // Return an empty path if there are no components.
2052   if(components.empty())
2053     {
2054     return "\"\"";
2055     }
2056
2057   // Choose a slash direction and fix root component.
2058   const char* slash = "/";
2059 #if defined(_WIN32) && !defined(__CYGWIN__)
2060    if(!cmSystemTools::GetForceUnixPaths())
2061      {
2062      slash = "\\";
2063      for(std::string::iterator i = components[0].begin();
2064        i != components[0].end(); ++i)
2065        {
2066        if(*i == '/')
2067          {
2068          *i = '\\';
2069          }
2070        }
2071      }
2072 #endif
2073
2074   // Begin the quoted result with the root component.
2075   std::string result = "\"";
2076   result += components[0];
2077
2078   // Now add the rest of the components separated by the proper slash
2079   // direction for this platform.
2080   bool first = true;
2081   for(unsigned int i=1; i < components.size(); ++i)
2082     {
2083     // Only the last component can be empty to avoid double slashes.
2084     if(components[i].length() > 0 || (i == (components.size()-1)))
2085       {
2086       if(!first)
2087         {
2088         result += slash;
2089         }
2090       result += components[i];
2091       first = false;
2092       }
2093     }
2094
2095   // Close the quoted result.
2096   result += "\"";
2097
2098   return result;
2099 }
2100
2101 //----------------------------------------------------------------------------
2102 std::string
2103 cmLocalUnixMakefileGenerator3
2104 ::GetTargetDirectory(cmTarget const& target) const
2105 {
2106   std::string dir = cmake::GetCMakeFilesDirectoryPostSlash();
2107   dir += target.GetName();
2108   dir += ".dir";
2109   return dir;
2110 }
2111
2112 //----------------------------------------------------------------------------
2113 cmLocalUnixMakefileGenerator3::ImplicitDependLanguageMap const&
2114 cmLocalUnixMakefileGenerator3::GetImplicitDepends(cmTarget const& tgt)
2115 {
2116   return this->ImplicitDepends[tgt.GetName()];
2117 }
2118
2119 //----------------------------------------------------------------------------
2120 void
2121 cmLocalUnixMakefileGenerator3::AddImplicitDepends(cmTarget const& tgt,
2122                                                   const char* lang,
2123                                                   const char* obj,
2124                                                   const char* src)
2125 {
2126   this->ImplicitDepends[tgt.GetName()][lang][obj] = src;
2127 }
2128
2129 //----------------------------------------------------------------------------
2130 void cmLocalUnixMakefileGenerator3
2131 ::CreateCDCommand(std::vector<std::string>& commands, const char *tgtDir,
2132                   cmLocalGenerator::RelativeRoot relRetDir)
2133 {
2134   const char* retDir = this->GetRelativeRootPath(relRetDir);
2135
2136   // do we need to cd?
2137   if (!strcmp(tgtDir,retDir))
2138     {
2139     return;
2140     }
2141
2142   if(!this->UnixCD)
2143     {
2144     // On Windows we must perform each step separately and then change
2145     // back because the shell keeps the working directory between
2146     // commands.
2147     std::string cmd = "cd ";
2148     cmd += this->ConvertToOutputForExisting(tgtDir, relRetDir);
2149     commands.insert(commands.begin(),cmd);
2150
2151     // Change back to the starting directory.
2152     cmd = "cd ";
2153     cmd += this->ConvertToOutputForExisting(relRetDir, tgtDir);
2154     commands.push_back(cmd);
2155     }
2156   else
2157     {
2158     // On UNIX we must construct a single shell command to change
2159     // directory and build because make resets the directory between
2160     // each command.
2161     std::vector<std::string>::iterator i = commands.begin();
2162     for (; i != commands.end(); ++i)
2163       {
2164       std::string cmd = "cd ";
2165       cmd += this->ConvertToOutputForExisting(tgtDir, relRetDir);
2166       cmd += " && ";
2167       cmd += *i;
2168       *i = cmd;
2169       }
2170     }
2171 }
2172
2173
2174 void cmLocalUnixMakefileGenerator3
2175 ::GetTargetObjectFileDirectories(cmTarget* target,
2176                                  std::vector<std::string>& dirs)
2177 {
2178   std::string dir = this->Makefile->GetCurrentOutputDirectory();
2179   dir += "/";
2180   dir += this->GetTargetDirectory(*target);
2181   dirs.push_back(dir);
2182 }