Source/cmLocalUnixMakefileGenerator3.cxx

   1 /*=========================================================================
   2
   3   Program:   CMake - Cross-Platform Makefile Generator
   4   Module:    $RCSfile: cmLocalUnixMakefileGenerator3.cxx,v $
   5   Language:  C++
   6   Date:      $Date: 2008-05-14 15:54:52 $
   7   Version:   $Revision: 1.252 $
   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     this->CreateCDCommand(commands,
 362                           this->Makefile->GetHomeOutputDirectory(),
 363                           this->Makefile->GetStartOutputDirectory());
 364     }
 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                             this->Makefile->GetStartOutputDirectory());
 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                             this->Makefile->GetStartOutputDirectory());
 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                               this->Makefile->GetStartOutputDirectory());
 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(this->Makefile->GetDefinition("CMAKE_EDIT_COMMAND"))
 701     {
 702     makefileStream
 703       << "# The program to use to edit the cache.\n"
 704       << "CMAKE_EDIT_COMMAND = "
 705       << (this->ConvertToOutputForExisting(
 706             this->Makefile->GetDefinition("CMAKE_EDIT_COMMAND"))) << "\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                           this->Makefile->GetStartOutputDirectory());
 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 {
 958   for(std::vector<cmCustomCommand>::const_iterator i = ccs.begin();
 959       i != ccs.end(); ++i)
 960     {
 961     this->AppendCustomCommand(commands, *i, true);
 962     }
 963 }
 964
 965 //----------------------------------------------------------------------------
 966 void
 967 cmLocalUnixMakefileGenerator3
 968 ::AppendCustomCommand(std::vector<std::string>& commands,
 969                       const cmCustomCommand& cc, bool echo_comment)
 970 {
 971   // Optionally create a command to display the custom command's
 972   // comment text.  This is used for pre-build, pre-link, and
 973   // post-build command comments.  Custom build step commands have
 974   // their comments generated elsewhere.
 975   if(echo_comment)
 976     {
 977     const char* comment = cc.GetComment();
 978     if(comment && *comment)
 979       {
 980       this->AppendEcho(commands, comment,
 981                        cmLocalUnixMakefileGenerator3::EchoGenerate);
 982       }
 983     }
 984
 985   // if the command specified a working directory use it.
 986   const char* dir  = this->Makefile->GetStartOutputDirectory();
 987   const char* workingDir = cc.GetWorkingDirectory();
 988   if(workingDir)
 989     {
 990     dir = workingDir;
 991     }
 992   bool escapeOldStyle = cc.GetEscapeOldStyle();
 993   bool escapeAllowMakeVars = cc.GetEscapeAllowMakeVars();
 994
 995   // Add each command line to the set of commands.
 996   std::vector<std::string> commands1;
 997   for(cmCustomCommandLines::const_iterator cl = cc.GetCommandLines().begin();
 998       cl != cc.GetCommandLines().end(); ++cl)
 999     {
1000     // Build the command line in a single string.
1001     const cmCustomCommandLine& commandLine = *cl;
1002     std::string cmd = GetRealLocation(commandLine[0].c_str(),
1003                                       this->ConfigurationName.c_str());
1004     if (cmd.size())
1005       {
1006       cmSystemTools::ReplaceString(cmd, "/./", "/");
1007       // Convert the command to a relative path only if the current
1008       // working directory will be the start-output directory.
1009       bool had_slash = cmd.find("/") != cmd.npos;
1010       if(!workingDir)
1011         {
1012         cmd = this->Convert(cmd.c_str(),START_OUTPUT);
1013         }
1014       bool has_slash = cmd.find("/") != cmd.npos;
1015       if(had_slash && !has_slash)
1016         {
1017         // This command was specified as a path to a file in the
1018         // current directory.  Add a leading "./" so it can run
1019         // without the current directory being in the search path.
1020         cmd = "./" + cmd;
1021         }
1022       if(this->WatcomWMake &&
1023          cmSystemTools::FileIsFullPath(cmd.c_str()) &&
1024          cmd.find(" ") != cmd.npos)
1025         {
1026         // On Watcom WMake use the windows short path for the command
1027         // name.  This is needed to avoid funny quoting problems on
1028         // lines with shell redirection operators.
1029         std::string scmd;
1030         if(cmSystemTools::GetShortPath(cmd.c_str(), scmd))
1031           {
1032           cmd = scmd;
1033           }
1034         }
1035       cmd = this->Convert(cmd.c_str(),NONE,SHELL);
1036       for(unsigned int j=1; j < commandLine.size(); ++j)
1037         {
1038         cmd += " ";
1039         if(escapeOldStyle)
1040           {
1041           cmd += this->EscapeForShellOldStyle(commandLine[j].c_str());
1042           }
1043         else
1044           {
1045           cmd += this->EscapeForShell(commandLine[j].c_str(),
1046                                       escapeAllowMakeVars);
1047           }
1048         }
1049       if(this->BorlandMakeCurlyHack)
1050         {
1051         // Borland Make has a very strange bug.  If the first curly
1052         // brace anywhere in the command string is a left curly, it
1053         // must be written {{} instead of just {.  Otherwise some
1054         // curly braces are removed.  The hack can be skipped if the
1055         // first curly brace is the last character.
1056         std::string::size_type lcurly = cmd.find("{");
1057         if(lcurly != cmd.npos && lcurly < (cmd.size()-1))
1058           {
1059           std::string::size_type rcurly = cmd.find("}");
1060           if(rcurly == cmd.npos || rcurly > lcurly)
1061             {
1062             // The first curly is a left curly.  Use the hack.
1063             std::string hack_cmd = cmd.substr(0, lcurly);
1064             hack_cmd += "{{}";
1065             hack_cmd += cmd.substr(lcurly+1);
1066             cmd = hack_cmd;
1067             }
1068           }
1069         }
1070       commands1.push_back(cmd);
1071       }
1072     }
1073
1074   // Setup the proper working directory for the commands.
1075   this->CreateCDCommand(commands1, dir,
1076                         this->Makefile->GetHomeOutputDirectory());
1077
1078   // push back the custom commands
1079   commands.insert(commands.end(), commands1.begin(), commands1.end());
1080 }
1081
1082 //----------------------------------------------------------------------------
1083 void
1084 cmLocalUnixMakefileGenerator3
1085 ::AppendCleanCommand(std::vector<std::string>& commands,
1086                      const std::vector<std::string>& files,
1087                      cmTarget& target, const char* filename)
1088 {
1089   if(!files.empty())
1090     {
1091     std::string cleanfile = this->Makefile->GetCurrentOutputDirectory();
1092     cleanfile += "/";
1093     cleanfile += this->GetTargetDirectory(target);
1094     cleanfile += "/cmake_clean";
1095     if(filename)
1096       {
1097       cleanfile += "_";
1098       cleanfile += filename;
1099       }
1100     cleanfile += ".cmake";
1101     std::string cleanfilePath = this->Convert(cleanfile.c_str(), FULL);
1102     std::ofstream fout(cleanfilePath.c_str());
1103     if(!fout)
1104       {
1105       cmSystemTools::Error("Could not create ", cleanfilePath.c_str());
1106       }
1107     fout << "FILE(REMOVE_RECURSE\n";
1108     std::string remove = "$(CMAKE_COMMAND) -P ";
1109     remove += this->Convert(cleanfile.c_str(), START_OUTPUT, SHELL);
1110     for(std::vector<std::string>::const_iterator f = files.begin();
1111         f != files.end(); ++f)
1112       {
1113       std::string fc = this->Convert(f->c_str(),START_OUTPUT,UNCHANGED);
1114       fout << "  " << this->EscapeForCMake(fc.c_str()) << "\n";
1115       }
1116     fout << ")\n";
1117     commands.push_back(remove);
1118
1119     // For the main clean rule add per-language cleaning.
1120     if(!filename)
1121       {
1122       // Get the set of source languages in the target.
1123       std::set<cmStdString> languages;
1124       target.GetLanguages(languages);
1125       fout << "\n"
1126            << "# Per-language clean rules from dependency scanning.\n"
1127            << "FOREACH(lang";
1128       for(std::set<cmStdString>::const_iterator l = languages.begin();
1129           l != languages.end(); ++l)
1130         {
1131         fout << " " << *l;
1132         }
1133       fout << ")\n"
1134            << "  INCLUDE(" << this->GetTargetDirectory(target)
1135            << "/cmake_clean_${lang}.cmake OPTIONAL)\n"
1136            << "ENDFOREACH(lang)\n";
1137       }
1138     }
1139 }
1140
1141 //----------------------------------------------------------------------------
1142 void
1143 cmLocalUnixMakefileGenerator3::AppendEcho(std::vector<std::string>& commands,
1144                                           const char* text,
1145                                           EchoColor color)
1146 {
1147   // Choose the color for the text.
1148   std::string color_name;
1149 #ifdef CMAKE_BUILD_WITH_CMAKE
1150   if(this->GlobalGenerator->GetToolSupportsColor() && this->ColorMakefile)
1151     {
1152     // See cmake::ExecuteEchoColor in cmake.cxx for these options.
1153     // This color set is readable on both black and white backgrounds.
1154     switch(color)
1155       {
1156       case EchoNormal:
1157         break;
1158       case EchoDepend:
1159         color_name = "--magenta --bold ";
1160         break;
1161       case EchoBuild:
1162         color_name = "--green ";
1163         break;
1164       case EchoLink:
1165         color_name = "--red --bold ";
1166         break;
1167       case EchoGenerate:
1168         color_name = "--blue --bold ";
1169         break;
1170       case EchoGlobal:
1171         color_name = "--cyan ";
1172         break;
1173       }
1174     }
1175 #else
1176   (void)color;
1177 #endif
1178
1179   // Echo one line at a time.
1180   std::string line;
1181   line.reserve(200);
1182   for(const char* c = text;; ++c)
1183     {
1184     if(*c == '\n' || *c == '\0')
1185       {
1186       // Avoid writing a blank last line on end-of-string.
1187       if(*c != '\0' || !line.empty())
1188         {
1189         // Add a command to echo this line.
1190         std::string cmd;
1191         if(color_name.empty())
1192           {
1193           // Use the native echo command.
1194           cmd = this->NativeEchoCommand;
1195           cmd += this->EscapeForShell(line.c_str(), false,
1196                                       this->NativeEchoWindows);
1197           }
1198         else
1199           {
1200           // Use cmake to echo the text in color.
1201           cmd = "@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) ";
1202           cmd += color_name;
1203           cmd += this->EscapeForShell(line.c_str());
1204           }
1205         commands.push_back(cmd);
1206         }
1207
1208       // Reset the line to emtpy.
1209       line = "";
1210
1211       // Terminate on end-of-string.
1212       if(*c == '\0')
1213         {
1214         return;
1215         }
1216       }
1217     else if(*c != '\r')
1218       {
1219       // Append this character to the current line.
1220       line += *c;
1221       }
1222     }
1223 }
1224
1225 //----------------------------------------------------------------------------
1226 std::string
1227 cmLocalUnixMakefileGenerator3
1228 ::CreateMakeVariable(const char* sin, const char* s2in)
1229 {
1230   std::string s = sin;
1231   std::string s2 = s2in;
1232   std::string unmodified = s;
1233   unmodified += s2;
1234   // if there is no restriction on the length of make variables
1235   // and there are no "." charactors in the string, then return the
1236   // unmodified combination.
1237   if((!this->MakefileVariableSize && unmodified.find('.') == s.npos)
1238      && (!this->MakefileVariableSize && unmodified.find('-') == s.npos))
1239     {
1240     return unmodified;
1241     }
1242
1243   // see if the variable has been defined before and return
1244   // the modified version of the variable
1245   std::map<cmStdString, cmStdString>::iterator i =
1246     this->MakeVariableMap.find(unmodified);
1247   if(i != this->MakeVariableMap.end())
1248     {
1249     return i->second;
1250     }
1251   // start with the unmodified variable
1252   std::string ret = unmodified;
1253   // if this there is no value for this->MakefileVariableSize then
1254   // the string must have bad characters in it
1255   if(!this->MakefileVariableSize)
1256     {
1257     cmSystemTools::ReplaceString(ret, ".", "_");
1258     cmSystemTools::ReplaceString(ret, "-", "__");
1259     int ni = 0;
1260     char buffer[5];
1261     // make sure the _ version is not already used, if
1262     // it is used then add number to the end of the variable
1263     while(this->ShortMakeVariableMap.count(ret) && ni < 1000)
1264       {
1265       ++ni;
1266       sprintf(buffer, "%04d", ni);
1267       ret = unmodified + buffer;
1268       }
1269     this->ShortMakeVariableMap[ret] = "1";
1270     this->MakeVariableMap[unmodified] = ret;
1271     return ret;
1272     }
1273
1274   // if the string is greater the 32 chars it is an invalid vairable name
1275   // for borland make
1276   if(static_cast<int>(ret.size()) > this->MakefileVariableSize)
1277     {
1278     int keep = this->MakefileVariableSize - 8;
1279     int size = keep + 3;
1280     std::string str1 = s;
1281     std::string str2 = s2;
1282     // we must shorten the combined string by 4 charactors
1283     // keep no more than 24 charactors from the second string
1284     if(static_cast<int>(str2.size()) > keep)
1285       {
1286       str2 = str2.substr(0, keep);
1287       }
1288     if(static_cast<int>(str1.size()) + static_cast<int>(str2.size()) > size)
1289       {
1290       str1 = str1.substr(0, size - str2.size());
1291       }
1292     char buffer[5];
1293     int ni = 0;
1294     sprintf(buffer, "%04d", ni);
1295     ret = str1 + str2 + buffer;
1296     while(this->ShortMakeVariableMap.count(ret) && ni < 1000)
1297       {
1298       ++ni;
1299       sprintf(buffer, "%04d", ni);
1300       ret = str1 + str2 + buffer;
1301       }
1302     if(ni == 1000)
1303       {
1304       cmSystemTools::Error("Borland makefile variable length too long");
1305       return unmodified;
1306       }
1307     // once an unused variable is found
1308     this->ShortMakeVariableMap[ret] = "1";
1309     }
1310   // always make an entry into the unmodified to variable map
1311   this->MakeVariableMap[unmodified] = ret;
1312   return ret;
1313 }
1314
1315 //----------------------------------------------------------------------------
1316 bool cmLocalUnixMakefileGenerator3::UpdateDependencies(const char* tgtInfo,
1317                                                        bool verbose,
1318                                                        bool color)
1319 {
1320   // read in the target info file
1321   if(!this->Makefile->ReadListFile(0, tgtInfo) ||
1322      cmSystemTools::GetErrorOccuredFlag())
1323     {
1324     cmSystemTools::Error("Target DependInfo.cmake file not found");
1325     }
1326
1327   // Check if any multiple output pairs have a missing file.
1328   this->CheckMultipleOutputs(verbose);
1329
1330   std::string dir = cmSystemTools::GetFilenamePath(tgtInfo);
1331   std::string internalDependFile = dir + "/depend.internal";
1332   std::string dependFile = dir + "/depend.make";
1333
1334   // If the target DependInfo.cmake file has changed since the last
1335   // time dependencies were scanned then force rescanning.  This may
1336   // happen when a new source file is added and CMake regenerates the
1337   // project but no other sources were touched.
1338   bool needRescan = false;
1339   cmFileTimeComparison* ftc =
1340     this->GlobalGenerator->GetCMakeInstance()->GetFileComparison();
1341   {
1342   int result;
1343   if(!ftc->FileTimeCompare(internalDependFile.c_str(), tgtInfo, &result) ||
1344      result < 0)
1345     {
1346     if(verbose)
1347       {
1348       cmOStringStream msg;
1349       msg << "Dependee \"" << tgtInfo
1350           << "\" is newer than depender \""
1351           << internalDependFile << "\"." << std::endl;
1352       cmSystemTools::Stdout(msg.str().c_str());
1353       }
1354     needRescan = true;
1355     }
1356   }
1357
1358   // Check the implicit dependencies to see if they are up to date.
1359   // The build.make file may have explicit dependencies for the object
1360   // files but these will not affect the scanning process so they need
1361   // not be considered.
1362   cmDependsC checker;
1363   checker.SetVerbose(verbose);
1364   checker.SetFileComparison(ftc);
1365   if(needRescan ||
1366      !checker.Check(dependFile.c_str(), internalDependFile.c_str()))
1367     {
1368     // The dependencies must be regenerated.
1369     std::string targetName = cmSystemTools::GetFilenameName(dir);
1370     targetName = targetName.substr(0, targetName.length()-4);
1371     std::string message = "Scanning dependencies of target ";
1372     message += targetName;
1373 #ifdef CMAKE_BUILD_WITH_CMAKE
1374     cmSystemTools::MakefileColorEcho(
1375       cmsysTerminal_Color_ForegroundMagenta |
1376       cmsysTerminal_Color_ForegroundBold,
1377       message.c_str(), true, color);
1378 #else
1379     fprintf(stdout, "%s\n", message.c_str());
1380 #endif
1381
1382     return this->ScanDependencies(dir.c_str());
1383     }
1384   else
1385     {
1386     // The dependencies are already up-to-date.
1387     return true;
1388     }
1389 }
1390
1391 //----------------------------------------------------------------------------
1392 bool
1393 cmLocalUnixMakefileGenerator3
1394 ::ScanDependencies(const char* targetDir)
1395 {
1396   // Read the directory information file.
1397   cmMakefile* mf = this->Makefile;
1398   bool haveDirectoryInfo = false;
1399   std::string dirInfoFile = this->Makefile->GetStartOutputDirectory();
1400   dirInfoFile += cmake::GetCMakeFilesDirectory();
1401   dirInfoFile += "/CMakeDirectoryInformation.cmake";
1402   if(mf->ReadListFile(0, dirInfoFile.c_str()) &&
1403      !cmSystemTools::GetErrorOccuredFlag())
1404     {
1405     haveDirectoryInfo = true;
1406     }
1407
1408   // Lookup useful directory information.
1409   if(haveDirectoryInfo)
1410     {
1411     // Test whether we need to force Unix paths.
1412     if(const char* force = mf->GetDefinition("CMAKE_FORCE_UNIX_PATHS"))
1413       {
1414       if(!cmSystemTools::IsOff(force))
1415         {
1416         cmSystemTools::SetForceUnixPaths(true);
1417         }
1418       }
1419
1420     // Setup relative path top directories.
1421     this->RelativePathsConfigured = true;
1422     if(const char* relativePathTopSource =
1423        mf->GetDefinition("CMAKE_RELATIVE_PATH_TOP_SOURCE"))
1424       {
1425       this->RelativePathTopSource = relativePathTopSource;
1426       }
1427     if(const char* relativePathTopBinary =
1428        mf->GetDefinition("CMAKE_RELATIVE_PATH_TOP_BINARY"))
1429       {
1430       this->RelativePathTopBinary = relativePathTopBinary;
1431       }
1432     }
1433   else
1434     {
1435     cmSystemTools::Error("Directory Information file not found");
1436     }
1437
1438   // create the file stream for the depends file
1439   std::string dir = targetDir;
1440
1441   // Open the make depends file.  This should be copy-if-different
1442   // because the make tool may try to reload it needlessly otherwise.
1443   std::string ruleFileNameFull = dir;
1444   ruleFileNameFull += "/depend.make";
1445   cmGeneratedFileStream ruleFileStream(ruleFileNameFull.c_str());
1446   ruleFileStream.SetCopyIfDifferent(true);
1447   if(!ruleFileStream)
1448     {
1449     return false;
1450     }
1451
1452   // Open the cmake dependency tracking file.  This should not be
1453   // copy-if-different because dependencies are re-scanned when it is
1454   // older than the DependInfo.cmake.
1455   std::string internalRuleFileNameFull = dir;
1456   internalRuleFileNameFull += "/depend.internal";
1457   cmGeneratedFileStream
1458     internalRuleFileStream(internalRuleFileNameFull.c_str());
1459   if(!internalRuleFileStream)
1460     {
1461     return false;
1462     }
1463
1464   this->WriteDisclaimer(ruleFileStream);
1465   this->WriteDisclaimer(internalRuleFileStream);
1466
1467   // for each language we need to scan, scan it
1468   const char *langStr = mf->GetSafeDefinition("CMAKE_DEPENDS_LANGUAGES");
1469   std::vector<std::string> langs;
1470   cmSystemTools::ExpandListArgument(langStr, langs);
1471   for (std::vector<std::string>::iterator li =
1472          langs.begin(); li != langs.end(); ++li)
1473     {
1474     // construct the checker
1475     std::string lang = li->c_str();
1476
1477     // Create the scanner for this language
1478     cmDepends *scanner = 0;
1479     if(lang == "C" || lang == "CXX" || lang == "RC")
1480       {
1481       // TODO: Handle RC (resource files) dependencies correctly.
1482       scanner = new cmDependsC(this, targetDir, lang.c_str());
1483       }
1484 #ifdef CMAKE_BUILD_WITH_CMAKE
1485     else if(lang == "Fortran")
1486       {
1487       scanner = new cmDependsFortran(this);
1488       }
1489     else if(lang == "Java")
1490       {
1491       scanner = new cmDependsJava();
1492       }
1493 #endif
1494
1495     if (scanner)
1496       {
1497       scanner->SetLocalGenerator(this);
1498       scanner->SetFileComparison
1499         (this->GlobalGenerator->GetCMakeInstance()->GetFileComparison());
1500       scanner->SetLanguage(lang.c_str());
1501       scanner->SetTargetDirectory(dir.c_str());
1502       scanner->Write(ruleFileStream, internalRuleFileStream);
1503
1504       // free the scanner for this language
1505       delete scanner;
1506       }
1507     }
1508
1509   return true;
1510 }
1511
1512 //----------------------------------------------------------------------------
1513 void cmLocalUnixMakefileGenerator3::CheckMultipleOutputs(bool verbose)
1514 {
1515   cmMakefile* mf = this->Makefile;
1516
1517   // Get the string listing the multiple output pairs.
1518   const char* pairs_string = mf->GetDefinition("CMAKE_MULTIPLE_OUTPUT_PAIRS");
1519   if(!pairs_string)
1520     {
1521     return;
1522     }
1523
1524   // Convert the string to a list and preserve empty entries.
1525   std::vector<std::string> pairs;
1526   cmSystemTools::ExpandListArgument(pairs_string, pairs, true);
1527   for(std::vector<std::string>::const_iterator i = pairs.begin();
1528       i != pairs.end() && (i+1) != pairs.end();)
1529     {
1530     const std::string& depender = *i++;
1531     const std::string& dependee = *i++;
1532
1533     // If the depender is missing then delete the dependee to make
1534     // sure both will be regenerated.
1535     if(cmSystemTools::FileExists(dependee.c_str()) &&
1536        !cmSystemTools::FileExists(depender.c_str()))
1537       {
1538       if(verbose)
1539         {
1540         cmOStringStream msg;
1541         msg << "Deleting primary custom command output \"" << dependee
1542             << "\" because another output \""
1543             << depender << "\" does not exist." << std::endl;
1544         cmSystemTools::Stdout(msg.str().c_str());
1545         }
1546       cmSystemTools::RemoveFile(dependee.c_str());
1547       }
1548     }
1549 }
1550
1551 //----------------------------------------------------------------------------
1552 void cmLocalUnixMakefileGenerator3
1553 ::WriteLocalAllRules(std::ostream& ruleFileStream)
1554 {
1555   this->WriteDisclaimer(ruleFileStream);
1556
1557   // Write the main entry point target.  This must be the VERY first
1558   // target so that make with no arguments will run it.
1559   {
1560   // Just depend on the all target to drive the build.
1561   std::vector<std::string> depends;
1562   std::vector<std::string> no_commands;
1563   depends.push_back("all");
1564
1565   // Write the rule.
1566   this->WriteMakeRule(ruleFileStream,
1567                       "Default target executed when no arguments are "
1568                       "given to make.",
1569                       "default_target",
1570                       depends,
1571                       no_commands, true);
1572   }
1573
1574   this->WriteSpecialTargetsTop(ruleFileStream);
1575
1576   // Include the progress variables for the target.
1577   // Write all global targets
1578   this->WriteDivider(ruleFileStream);
1579   ruleFileStream
1580     << "# Targets provided globally by CMake.\n"
1581     << "\n";
1582   cmTargets* targets = &(this->Makefile->GetTargets());
1583   cmTargets::iterator glIt;
1584   for ( glIt = targets->begin(); glIt != targets->end(); ++ glIt )
1585     {
1586     if ( glIt->second.GetType() == cmTarget::GLOBAL_TARGET )
1587       {
1588       std::string targetString = "Special rule for the target " + glIt->first;
1589       std::vector<std::string> commands;
1590       std::vector<std::string> depends;
1591
1592       const char* text = glIt->second.GetProperty("EchoString");
1593       if ( !text )
1594         {
1595         text = "Running external command ...";
1596         }
1597       std::set<cmStdString>::const_iterator dit;
1598       for ( dit = glIt->second.GetUtilities().begin();
1599          dit != glIt->second.GetUtilities().end();
1600         ++ dit )
1601         {
1602         depends.push_back(dit->c_str());
1603         }
1604       this->AppendEcho(commands, text,
1605                        cmLocalUnixMakefileGenerator3::EchoGlobal);
1606
1607       // Global targets store their rules in pre- and post-build commands.
1608       this->AppendCustomDepends(depends,
1609                                 glIt->second.GetPreBuildCommands());
1610       this->AppendCustomDepends(depends,
1611                                 glIt->second.GetPostBuildCommands());
1612       this->AppendCustomCommands(commands,
1613                                  glIt->second.GetPreBuildCommands());
1614       this->AppendCustomCommands(commands,
1615                                  glIt->second.GetPostBuildCommands());
1616       std::string targetName = glIt->second.GetName();
1617       this->WriteMakeRule(ruleFileStream, targetString.c_str(),
1618                           targetName.c_str(), depends, commands, true);
1619
1620       // Provide a "/fast" version of the target.
1621       depends.clear();
1622       if((targetName == "install")
1623           || (targetName == "install_local")
1624           || (targetName == "install_strip"))
1625         {
1626         // Provide a fast install target that does not depend on all
1627         // but has the same command.
1628         depends.push_back("preinstall/fast");
1629         }
1630       else
1631         {
1632         // Just forward to the real target so at least it will work.
1633         depends.push_back(targetName);
1634         commands.clear();
1635         }
1636       targetName += "/fast";
1637       this->WriteMakeRule(ruleFileStream, targetString.c_str(),
1638                           targetName.c_str(), depends, commands, true);
1639       }
1640     }
1641
1642   std::vector<std::string> depends;
1643   std::vector<std::string> commands;
1644
1645   // Write the all rule.
1646   std::string dir;
1647   std::string recursiveTarget = this->Makefile->GetStartOutputDirectory();
1648   recursiveTarget += "/all";
1649
1650   depends.push_back("cmake_check_build_system");
1651
1652   std::string progressDir = this->Makefile->GetHomeOutputDirectory();
1653   progressDir += cmake::GetCMakeFilesDirectory();
1654     {
1655     cmOStringStream progCmd;
1656     progCmd <<
1657       "$(CMAKE_COMMAND) -E cmake_progress_start ";
1658     progCmd << this->Convert(progressDir.c_str(),
1659                              cmLocalGenerator::FULL,
1660                              cmLocalGenerator::SHELL);
1661
1662     std::string progressFile = cmake::GetCMakeFilesDirectory();
1663     progressFile += "/progress.make";
1664     std::string progressFileNameFull =
1665       this->ConvertToFullPath(progressFile.c_str());
1666     progCmd << " " << this->Convert(progressFileNameFull.c_str(),
1667                                     cmLocalGenerator::FULL,
1668                                     cmLocalGenerator::SHELL);
1669     commands.push_back(progCmd.str());
1670     }
1671   std::string mf2Dir = cmake::GetCMakeFilesDirectoryPostSlash();
1672   mf2Dir += "Makefile2";
1673   commands.push_back(this->GetRecursiveMakeCall(mf2Dir.c_str(),
1674                                                 recursiveTarget.c_str()));
1675   this->CreateCDCommand(commands,
1676                         this->Makefile->GetHomeOutputDirectory(),
1677                         this->Makefile->GetStartOutputDirectory());
1678     {
1679     cmOStringStream progCmd;
1680     progCmd << "$(CMAKE_COMMAND) -E cmake_progress_start "; // # 0
1681     progCmd << this->Convert(progressDir.c_str(),
1682                              cmLocalGenerator::FULL,
1683                              cmLocalGenerator::SHELL);
1684     progCmd << " 0";
1685     commands.push_back(progCmd.str());
1686     }
1687   this->WriteMakeRule(ruleFileStream, "The main all target", "all",
1688                       depends, commands, true);
1689
1690   // Write the clean rule.
1691   recursiveTarget = this->Makefile->GetStartOutputDirectory();
1692   recursiveTarget += "/clean";
1693   commands.clear();
1694   depends.clear();
1695   commands.push_back(this->GetRecursiveMakeCall(mf2Dir.c_str(),
1696                                                 recursiveTarget.c_str()));
1697   this->CreateCDCommand(commands,
1698                                 this->Makefile->GetHomeOutputDirectory(),
1699                                 this->Makefile->GetStartOutputDirectory());
1700   this->WriteMakeRule(ruleFileStream, "The main clean target", "clean",
1701                       depends, commands, true);
1702   commands.clear();
1703   depends.clear();
1704   depends.push_back("clean");
1705   this->WriteMakeRule(ruleFileStream, "The main clean target", "clean/fast",
1706                       depends, commands, true);
1707
1708   // Write the preinstall rule.
1709   recursiveTarget = this->Makefile->GetStartOutputDirectory();
1710   recursiveTarget += "/preinstall";
1711   commands.clear();
1712   depends.clear();
1713   const char* noall =
1714     this->Makefile->GetDefinition("CMAKE_SKIP_INSTALL_ALL_DEPENDENCY");
1715   if(!noall || cmSystemTools::IsOff(noall))
1716     {
1717     // Drive the build before installing.
1718     depends.push_back("all");
1719     }
1720   else
1721     {
1722     // At least make sure the build system is up to date.
1723     depends.push_back("cmake_check_build_system");
1724     }
1725   commands.push_back
1726     (this->GetRecursiveMakeCall(mf2Dir.c_str(), recursiveTarget.c_str()));
1727   this->CreateCDCommand(commands,
1728                         this->Makefile->GetHomeOutputDirectory(),
1729                         this->Makefile->GetStartOutputDirectory());
1730   this->WriteMakeRule(ruleFileStream, "Prepare targets for installation.",
1731                       "preinstall", depends, commands, true);
1732   depends.clear();
1733   this->WriteMakeRule(ruleFileStream, "Prepare targets for installation.",
1734                       "preinstall/fast", depends, commands, true);
1735
1736   // write the depend rule, really a recompute depends rule
1737   depends.clear();
1738   commands.clear();
1739   std::string cmakefileName = cmake::GetCMakeFilesDirectoryPostSlash();
1740   cmakefileName += "Makefile.cmake";
1741   std::string runRule =
1742     "$(CMAKE_COMMAND) -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)";
1743   runRule += " --check-build-system ";
1744   runRule += this->Convert(cmakefileName.c_str(),cmLocalGenerator::NONE,
1745                            cmLocalGenerator::SHELL);
1746   runRule += " 1";
1747   commands.push_back(runRule);
1748   this->CreateCDCommand(commands,
1749                         this->Makefile->GetHomeOutputDirectory(),
1750                         this->Makefile->GetStartOutputDirectory());
1751   this->WriteMakeRule(ruleFileStream, "clear depends",
1752                       "depend",
1753                       depends, commands, true);
1754 }
1755
1756
1757 //----------------------------------------------------------------------------
1758 void cmLocalUnixMakefileGenerator3::ClearDependencies(cmMakefile* mf,
1759                                                       bool verbose)
1760 {
1761   // Get the list of target files to check
1762   const char* infoDef = mf->GetDefinition("CMAKE_DEPEND_INFO_FILES");
1763   if(!infoDef)
1764     {
1765     return;
1766     }
1767   std::vector<std::string> files;
1768   cmSystemTools::ExpandListArgument(infoDef, files);
1769
1770   // Each depend information file corresponds to a target.  Clear the
1771   // dependencies for that target.
1772   cmDepends clearer;
1773   clearer.SetVerbose(verbose);
1774   for(std::vector<std::string>::iterator l = files.begin();
1775       l != files.end(); ++l)
1776     {
1777     std::string dir = cmSystemTools::GetFilenamePath(l->c_str());
1778
1779     // Clear the implicit dependency makefile.
1780     std::string dependFile = dir + "/depend.make";
1781     clearer.Clear(dependFile.c_str());
1782
1783     // Remove the internal dependency check file to force
1784     // regeneration.
1785     std::string internalDependFile = dir + "/depend.internal";
1786     cmSystemTools::RemoveFile(internalDependFile.c_str());
1787     }
1788 }
1789
1790
1791 void cmLocalUnixMakefileGenerator3
1792 ::WriteDependLanguageInfo(std::ostream& cmakefileStream, cmTarget &target)
1793 {
1794   ImplicitDependLanguageMap const& implicitLangs =
1795     this->GetImplicitDepends(target);
1796
1797   // list the languages
1798   cmakefileStream
1799     << "# The set of languages for which implicit dependencies are needed:\n";
1800   cmakefileStream
1801     << "SET(CMAKE_DEPENDS_LANGUAGES\n";
1802   for(ImplicitDependLanguageMap::const_iterator
1803         l = implicitLangs.begin(); l != implicitLangs.end(); ++l)
1804     {
1805     cmakefileStream << "  \"" << l->first.c_str() << "\"\n";
1806     }
1807   cmakefileStream << "  )\n";
1808
1809   // now list the files for each language
1810   cmakefileStream
1811     << "# The set of files for implicit dependencies of each language:\n";
1812   for(ImplicitDependLanguageMap::const_iterator
1813         l = implicitLangs.begin(); l != implicitLangs.end(); ++l)
1814     {
1815     cmakefileStream
1816       << "SET(CMAKE_DEPENDS_CHECK_" << l->first.c_str() << "\n";
1817     ImplicitDependFileMap const& implicitPairs = l->second;
1818
1819     // for each file pair
1820     for(ImplicitDependFileMap::const_iterator pi = implicitPairs.begin();
1821         pi != implicitPairs.end(); ++pi)
1822       {
1823       cmakefileStream << "  \"" << pi->second << "\" ";
1824       cmakefileStream << "\"" << pi->first << "\"\n";
1825       }
1826     cmakefileStream << "  )\n";
1827
1828     // Tell the dependency scanner what compiler is used.
1829     std::string cidVar = "CMAKE_";
1830     cidVar += l->first;
1831     cidVar += "_COMPILER_ID";
1832     const char* cid = this->Makefile->GetDefinition(cidVar.c_str());
1833     if(cid && *cid)
1834       {
1835       cmakefileStream
1836         << "SET(CMAKE_" << l->first.c_str() << "_COMPILER_ID \""
1837         << cid << "\")\n";
1838       }
1839     }
1840
1841   // Build a list of preprocessor definitions for the target.
1842   std::vector<std::string> defines;
1843   {
1844   std::string defPropName = "COMPILE_DEFINITIONS_";
1845   defPropName += cmSystemTools::UpperCase(this->ConfigurationName);
1846   if(const char* ddefs = this->Makefile->GetProperty("COMPILE_DEFINITIONS"))
1847     {
1848     cmSystemTools::ExpandListArgument(ddefs, defines);
1849     }
1850   if(const char* cdefs = target.GetProperty("COMPILE_DEFINITIONS"))
1851     {
1852     cmSystemTools::ExpandListArgument(cdefs, defines);
1853     }
1854   if(const char* dcdefs = this->Makefile->GetProperty(defPropName.c_str()))
1855     {
1856     cmSystemTools::ExpandListArgument(dcdefs, defines);
1857     }
1858   if(const char* ccdefs = target.GetProperty(defPropName.c_str()))
1859     {
1860     cmSystemTools::ExpandListArgument(ccdefs, defines);
1861     }
1862   }
1863   if(!defines.empty())
1864     {
1865     cmakefileStream
1866       << "\n"
1867       << "# Preprocessor definitions for this target.\n"
1868       << "SET(CMAKE_TARGET_DEFINITIONS\n";
1869     for(std::vector<std::string>::const_iterator di = defines.begin();
1870         di != defines.end(); ++di)
1871       {
1872       cmakefileStream
1873         << "  " << this->EscapeForCMake(di->c_str()) << "\n";
1874       }
1875     cmakefileStream
1876       << "  )\n";
1877     }
1878
1879   // Store include transform rule properties.  Write the directory
1880   // rules first because they may be overridden by later target rules.
1881   std::vector<std::string> transformRules;
1882   if(const char* xform =
1883      this->Makefile->GetProperty("IMPLICIT_DEPENDS_INCLUDE_TRANSFORM"))
1884     {
1885     cmSystemTools::ExpandListArgument(xform, transformRules);
1886     }
1887   if(const char* xform =
1888      target.GetProperty("IMPLICIT_DEPENDS_INCLUDE_TRANSFORM"))
1889     {
1890     cmSystemTools::ExpandListArgument(xform, transformRules);
1891     }
1892   if(!transformRules.empty())
1893     {
1894     cmakefileStream
1895       << "SET(CMAKE_INCLUDE_TRANSFORMS\n";
1896     for(std::vector<std::string>::const_iterator tri = transformRules.begin();
1897         tri != transformRules.end(); ++tri)
1898       {
1899       cmakefileStream << "  " << this->EscapeForCMake(tri->c_str()) << "\n";
1900       }
1901     cmakefileStream
1902       << "  )\n";
1903     }
1904 }
1905
1906 //----------------------------------------------------------------------------
1907 std::string
1908 cmLocalUnixMakefileGenerator3
1909 ::GetObjectFileName(cmTarget& target,
1910                     const cmSourceFile& source,
1911                     std::string* nameWithoutTargetDir,
1912                     bool* hasSourceExtension)
1913 {
1914   // Make sure we never hit this old case.
1915   if(source.GetProperty("MACOSX_PACKAGE_LOCATION"))
1916     {
1917     std::string msg = "MACOSX_PACKAGE_LOCATION set on source file: ";
1918     msg += source.GetFullPath();
1919     this->GetMakefile()->IssueMessage(cmake::INTERNAL_ERROR,
1920                                       msg.c_str());
1921     }
1922
1923   // Start with the target directory.
1924   std::string obj = this->GetTargetDirectory(target);
1925   obj += "/";
1926
1927   // Get the object file name without the target directory.
1928   std::string::size_type dir_len = 0;
1929   dir_len += strlen(this->Makefile->GetCurrentOutputDirectory());
1930   dir_len += 1;
1931   dir_len += obj.size();
1932   std::string objectName =
1933     this->GetObjectFileNameWithoutTarget(source, dir_len,
1934                                          hasSourceExtension);
1935   if(nameWithoutTargetDir)
1936     {
1937     *nameWithoutTargetDir = objectName;
1938     }
1939
1940   // Append the object name to the target directory.
1941   obj += objectName;
1942   return obj;
1943 }
1944
1945 //----------------------------------------------------------------------------
1946 void cmLocalUnixMakefileGenerator3::WriteDisclaimer(std::ostream& os)
1947 {
1948   os
1949     << "# CMAKE generated file: DO NOT EDIT!\n"
1950     << "# Generated by \"" << this->GlobalGenerator->GetName() << "\""
1951     << " Generator, CMake Version "
1952     << cmVersion::GetMajorVersion() << "."
1953     << cmVersion::GetMinorVersion() << "\n\n";
1954 }
1955
1956 //----------------------------------------------------------------------------
1957 std::string
1958 cmLocalUnixMakefileGenerator3
1959 ::GetRecursiveMakeCall(const char *makefile, const char* tgt)
1960 {
1961   // Call make on the given file.
1962   std::string cmd;
1963   cmd += "$(MAKE) -f ";
1964   cmd += this->Convert(makefile,NONE,SHELL);
1965   cmd += " ";
1966
1967   // Passg down verbosity level.
1968   if(this->GetMakeSilentFlag().size())
1969     {
1970     cmd += this->GetMakeSilentFlag();
1971     cmd += " ";
1972     }
1973
1974   // Most unix makes will pass the command line flags to make down to
1975   // sub-invoked makes via an environment variable.  However, some
1976   // makes do not support that, so you have to pass the flags
1977   // explicitly.
1978   if(this->GetPassMakeflags())
1979     {
1980     cmd += "-$(MAKEFLAGS) ";
1981     }
1982
1983   // Add the target.
1984   if (tgt && tgt[0] != '\0')
1985     {
1986     // The make target is always relative to the top of the build tree.
1987     std::string tgt2 = this->Convert(tgt, HOME_OUTPUT);
1988
1989     // The target may have been written with windows paths.
1990     cmSystemTools::ConvertToOutputSlashes(tgt2);
1991
1992     // Escape one extra time if the make tool requires it.
1993     if(this->MakeCommandEscapeTargetTwice)
1994       {
1995       tgt2 = this->EscapeForShell(tgt2.c_str(), true, false);
1996       }
1997
1998     // The target name is now a string that should be passed verbatim
1999     // on the command line.
2000     cmd += this->EscapeForShell(tgt2.c_str(), true, false);
2001     }
2002   return cmd;
2003 }
2004
2005 //----------------------------------------------------------------------------
2006 void cmLocalUnixMakefileGenerator3::WriteDivider(std::ostream& os)
2007 {
2008   os
2009     << "#======================================"
2010     << "=======================================\n";
2011 }
2012
2013 //----------------------------------------------------------------------------
2014 void
2015 cmLocalUnixMakefileGenerator3
2016 ::WriteCMakeArgument(std::ostream& os, const char* s)
2017 {
2018   // Write the given string to the stream with escaping to get it back
2019   // into CMake through the lexical scanner.
2020   os << "\"";
2021   for(const char* c = s; *c; ++c)
2022     {
2023     if(*c == '\\')
2024       {
2025       os << "\\\\";
2026       }
2027     else if(*c == '"')
2028       {
2029       os << "\\\"";
2030       }
2031     else
2032       {
2033       os << *c;
2034       }
2035     }
2036   os << "\"";
2037 }
2038
2039 //----------------------------------------------------------------------------
2040 std::string
2041 cmLocalUnixMakefileGenerator3::ConvertToQuotedOutputPath(const char* p)
2042 {
2043
2044   // Split the path into its components.
2045   std::vector<std::string> components;
2046   cmSystemTools::SplitPath(p, components);
2047
2048   // Return an empty path if there are no components.
2049   if(components.empty())
2050     {
2051     return "\"\"";
2052     }
2053
2054   // Choose a slash direction and fix root component.
2055   const char* slash = "/";
2056 #if defined(_WIN32) && !defined(__CYGWIN__)
2057    if(!cmSystemTools::GetForceUnixPaths())
2058      {
2059      slash = "\\";
2060      for(std::string::iterator i = components[0].begin();
2061        i != components[0].end(); ++i)
2062        {
2063        if(*i == '/')
2064          {
2065          *i = '\\';
2066          }
2067        }
2068      }
2069 #endif
2070
2071   // Begin the quoted result with the root component.
2072   std::string result = "\"";
2073   result += components[0];
2074
2075   // Now add the rest of the components separated by the proper slash
2076   // direction for this platform.
2077   bool first = true;
2078   for(unsigned int i=1; i < components.size(); ++i)
2079     {
2080     // Only the last component can be empty to avoid double slashes.
2081     if(components[i].length() > 0 || (i == (components.size()-1)))
2082       {
2083       if(!first)
2084         {
2085         result += slash;
2086         }
2087       result += components[i];
2088       first = false;
2089       }
2090     }
2091
2092   // Close the quoted result.
2093   result += "\"";
2094
2095   return result;
2096 }
2097
2098 //----------------------------------------------------------------------------
2099 std::string
2100 cmLocalUnixMakefileGenerator3
2101 ::GetTargetDirectory(cmTarget const& target) const
2102 {
2103   std::string dir = cmake::GetCMakeFilesDirectoryPostSlash();
2104   dir += target.GetName();
2105   dir += ".dir";
2106   return dir;
2107 }
2108
2109 //----------------------------------------------------------------------------
2110 cmLocalUnixMakefileGenerator3::ImplicitDependLanguageMap const&
2111 cmLocalUnixMakefileGenerator3::GetImplicitDepends(cmTarget const& tgt)
2112 {
2113   return this->ImplicitDepends[tgt.GetName()];
2114 }
2115
2116 //----------------------------------------------------------------------------
2117 void
2118 cmLocalUnixMakefileGenerator3::AddImplicitDepends(cmTarget const& tgt,
2119                                                   const char* lang,
2120                                                   const char* obj,
2121                                                   const char* src)
2122 {
2123   this->ImplicitDepends[tgt.GetName()][lang][obj] = src;
2124 }
2125
2126 //----------------------------------------------------------------------------
2127 void cmLocalUnixMakefileGenerator3
2128 ::CreateCDCommand(std::vector<std::string>& commands, const char *tgtDir,
2129                   const char *retDir)
2130 {
2131   // do we need to cd?
2132   if (!strcmp(tgtDir,retDir))
2133     {
2134     return;
2135     }
2136
2137   if(!this->UnixCD)
2138     {
2139     // On Windows we must perform each step separately and then change
2140     // back because the shell keeps the working directory between
2141     // commands.
2142     std::string cmd = "cd ";
2143     cmd += this->ConvertToOutputForExisting(tgtDir);
2144     commands.insert(commands.begin(),cmd);
2145
2146     // Change back to the starting directory.  Any trailing slash must be
2147     // removed to avoid problems with Borland Make.
2148     std::string back = retDir;
2149     if(back.size() && back[back.size()-1] == '/')
2150       {
2151       back = back.substr(0, back.size()-1);
2152       }
2153     cmd = "cd ";
2154     cmd += this->ConvertToOutputForExisting(back.c_str());
2155     commands.push_back(cmd);
2156     }
2157   else
2158     {
2159     // On UNIX we must construct a single shell command to change
2160     // directory and build because make resets the directory between
2161     // each command.
2162     std::vector<std::string>::iterator i = commands.begin();
2163     for (; i != commands.end(); ++i)
2164       {
2165       std::string cmd = "cd ";
2166       cmd += this->ConvertToOutputForExisting(tgtDir);
2167       cmd += " && ";
2168       cmd += *i;
2169       *i = cmd;
2170       }
2171     }
2172 }
2173
2174
2175 void cmLocalUnixMakefileGenerator3
2176 ::GetTargetObjectFileDirectories(cmTarget* target,
2177                                  std::vector<std::string>& dirs)
2178 {
2179   std::string dir = this->Makefile->GetCurrentOutputDirectory();
2180   dir += "/";
2181   dir += this->GetTargetDirectory(*target);
2182   dirs.push_back(dir);
2183 }