Makefiles: Introduce local RelativePath method

This makes it easier to remove directory-specific state from
cmOutputConverter where it doesn't belong.  Of course, this just
relocates the problem to the makefiles generator for now, but that's
better than affecting the core.

Source/cmLocalUnixMakefileGenerator3.cxx

@@ -141,7 +141,7 @@ void cmLocalUnixMakefileGenerator3::ComputeHomeRelativeOutputPath()
 {
   // Compute the path to use when referencing the current output
   // directory from the top output directory.
-  this->HomeRelativeOutputPath = this->ConvertToRelativePath(
+  this->HomeRelativeOutputPath = this->MaybeConvertToRelativePath(
     this->GetBinaryDirectory(), this->GetCurrentBinaryDirectory());
   if (this->HomeRelativeOutputPath == ".") {
     this->HomeRelativeOutputPath = "";
@@ -548,7 +548,8 @@ void cmLocalUnixMakefileGenerator3::WriteMakeRule(
 
   // Construct the left hand side of the rule.
   std::string tgt = cmSystemTools::ConvertToOutputPath(
-    this->ConvertToRelativePath(this->GetBinaryDirectory(), target).c_str());
+    this->MaybeConvertToRelativePath(this->GetBinaryDirectory(), target)
+      .c_str());
 
   const char* space = "";
   if (tgt.size() == 1) {
@@ -577,7 +578,7 @@ void cmLocalUnixMakefileGenerator3::WriteMakeRule(
          dep != depends.end(); ++dep) {
       replace = *dep;
       replace = cmSystemTools::ConvertToOutputPath(
-        this->ConvertToRelativePath(binDir, replace).c_str());
+        this->MaybeConvertToRelativePath(binDir, replace).c_str());
       os << cmMakeSafe(tgt) << space << ": " << cmMakeSafe(replace) << "\n";
     }
   }
@@ -969,7 +970,7 @@ void cmLocalUnixMakefileGenerator3::AppendCustomCommand(
       // working directory will be the start-output directory.
       bool had_slash = cmd.find('/') != cmd.npos;
       if (workingDir.empty()) {
-        cmd = this->ConvertToRelativePath(currentBinDir, cmd);
+        cmd = this->MaybeConvertToRelativePath(currentBinDir, cmd);
       }
       bool has_slash = cmd.find('/') != cmd.npos;
       if (had_slash && !has_slash) {
@@ -994,8 +995,8 @@ void cmLocalUnixMakefileGenerator3::AppendCustomCommand(
         if (!outputs.empty()) {
           if (workingDir.empty()) {
             output = this->ConvertToOutputFormat(
-              this->ConvertToRelativePath(this->GetCurrentBinaryDirectory(),
-                                          outputs[0]),
+              this->MaybeConvertToRelativePath(
+                this->GetCurrentBinaryDirectory(), outputs[0]),
               cmOutputConverter::SHELL);
 
           } else {
@@ -1082,14 +1083,15 @@ void cmLocalUnixMakefileGenerator3::AppendCleanCommand(
     fout << "file(REMOVE_RECURSE\n";
     for (std::vector<std::string>::const_iterator f = files.begin();
          f != files.end(); ++f) {
-      std::string fc = this->ConvertToRelativePath(currentBinDir, *f);
+      std::string fc = this->MaybeConvertToRelativePath(currentBinDir, *f);
       fout << "  " << cmOutputConverter::EscapeForCMake(fc) << "\n";
     }
     fout << ")\n";
   }
   std::string remove = "$(CMAKE_COMMAND) -P ";
   remove += this->ConvertToOutputFormat(
-    this->ConvertToRelativePath(this->GetCurrentBinaryDirectory(), cleanfile),
+    this->MaybeConvertToRelativePath(this->GetCurrentBinaryDirectory(),
+                                     cleanfile),
     cmOutputConverter::SHELL);
   commands.push_back(remove);
 
@@ -1858,7 +1860,8 @@ void cmLocalUnixMakefileGenerator3::WriteDependLanguageInfo(
     }
     for (std::vector<std::string>::iterator i = includes.begin();
          i != includes.end(); ++i) {
-      cmakefileStream << "  \"" << this->ConvertToRelativePath(binaryDir, *i)
+      cmakefileStream << "  \""
+                      << this->MaybeConvertToRelativePath(binaryDir, *i)
                       << "\"\n";
     }
     cmakefileStream << "  )\n";
@@ -1923,7 +1926,7 @@ std::string cmLocalUnixMakefileGenerator3::GetRecursiveMakeCall(
   if (!tgt.empty()) {
     // The make target is always relative to the top of the build tree.
     std::string tgt2 =
-      this->ConvertToRelativePath(this->GetBinaryDirectory(), tgt);
+      this->MaybeConvertToRelativePath(this->GetBinaryDirectory(), tgt);
 
     // The target may have been written with windows paths.
     cmSystemTools::ConvertToOutputSlashes(tgt2);
@@ -2095,3 +2098,13 @@ void cmLocalUnixMakefileGenerator3::CreateCDCommand(
                    std::bind1st(std::plus<std::string>(), prefix));
   }
 }
+
+std::string cmLocalUnixMakefileGenerator3::MaybeConvertToRelativePath(
+  std::string const& base, std::string const& path)
+{
+  if (!cmOutputConverter::ContainedInDirectory(
+        base, path, this->GetStateSnapshot().GetDirectory())) {
+    return path;
+  }
+  return cmOutputConverter::ForceToRelativePath(base, path);
+}

Source/cmLocalUnixMakefileGenerator3.h

@@ -184,6 +184,9 @@ public:
   // Eclipse generator.
   void GetIndividualFileTargets(std::vector<std::string>& targets);
 
+  std::string MaybeConvertToRelativePath(std::string const& base,
+                                         std::string const& path);
+
 protected:
   void WriteLocalMakefile();
 

Source/cmMakefileExecutableTargetGenerator.cxx

@@ -130,16 +130,16 @@ void cmMakefileExecutableTargetGenerator::WriteExecutableRule(bool relink)
     targetFullPathPDB, cmOutputConverter::SHELL);
   // Convert to the output path to use in constructing commands.
   std::string targetOutPath = this->LocalGenerator->ConvertToOutputFormat(
-    this->LocalGenerator->ConvertToRelativePath(
+    this->LocalGenerator->MaybeConvertToRelativePath(
       this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPath),
     cmOutputConverter::SHELL);
   std::string targetOutPathReal = this->LocalGenerator->ConvertToOutputFormat(
-    this->LocalGenerator->ConvertToRelativePath(
+    this->LocalGenerator->MaybeConvertToRelativePath(
       this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPathReal),
     cmOutputConverter::SHELL);
   std::string targetOutPathImport =
     this->LocalGenerator->ConvertToOutputFormat(
-      this->LocalGenerator->ConvertToRelativePath(
+      this->LocalGenerator->MaybeConvertToRelativePath(
         this->LocalGenerator->GetCurrentBinaryDirectory(),
         targetFullPathImport),
       cmOutputConverter::SHELL);
@@ -215,27 +215,27 @@ void cmMakefileExecutableTargetGenerator::WriteExecutableRule(bool relink)
   // Construct a list of files associated with this executable that
   // may need to be cleaned.
   std::vector<std::string> exeCleanFiles;
-  exeCleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
+  exeCleanFiles.push_back(this->LocalGenerator->MaybeConvertToRelativePath(
     this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPath));
 #ifdef _WIN32
   // There may be a manifest file for this target.  Add it to the
   // clean set just in case.
-  exeCleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
+  exeCleanFiles.push_back(this->LocalGenerator->MaybeConvertToRelativePath(
     this->LocalGenerator->GetCurrentBinaryDirectory(),
     (targetFullPath + ".manifest").c_str()));
 #endif
   if (targetNameReal != targetName) {
-    exeCleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
+    exeCleanFiles.push_back(this->LocalGenerator->MaybeConvertToRelativePath(
       this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPathReal));
   }
   if (!targetNameImport.empty()) {
-    exeCleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
+    exeCleanFiles.push_back(this->LocalGenerator->MaybeConvertToRelativePath(
       this->LocalGenerator->GetCurrentBinaryDirectory(),
       targetFullPathImport));
     std::string implib;
     if (this->GeneratorTarget->GetImplibGNUtoMS(targetFullPathImport,
                                                 implib)) {
-      exeCleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
+      exeCleanFiles.push_back(this->LocalGenerator->MaybeConvertToRelativePath(
         this->LocalGenerator->GetCurrentBinaryDirectory(), implib));
     }
   }
@@ -243,7 +243,7 @@ void cmMakefileExecutableTargetGenerator::WriteExecutableRule(bool relink)
   // List the PDB for cleaning only when the whole target is
   // cleaned.  We do not want to delete the .pdb file just before
   // linking the target.
-  this->CleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
+  this->CleanFiles.push_back(this->LocalGenerator->MaybeConvertToRelativePath(
     this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPathPDB));
 
   // Add the pre-build and pre-link rules building but not when relinking.
@@ -318,7 +318,7 @@ void cmMakefileExecutableTargetGenerator::WriteExecutableRule(bool relink)
     std::string objectDir = this->GeneratorTarget->GetSupportDirectory();
 
     objectDir = this->LocalGenerator->ConvertToOutputFormat(
-      this->LocalGenerator->ConvertToRelativePath(
+      this->LocalGenerator->MaybeConvertToRelativePath(
         this->LocalGenerator->GetCurrentBinaryDirectory(), objectDir),
       cmOutputConverter::SHELL);
     vars.ObjectDir = objectDir.c_str();
@@ -326,7 +326,7 @@ void cmMakefileExecutableTargetGenerator::WriteExecutableRule(bool relink)
       ? cmOutputConverter::WATCOMQUOTE
       : cmOutputConverter::SHELL;
     std::string target = this->LocalGenerator->ConvertToOutputFormat(
-      this->LocalGenerator->ConvertToRelativePath(
+      this->LocalGenerator->MaybeConvertToRelativePath(
         this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPathReal),
       output);
     vars.Target = target.c_str();

Source/cmMakefileLibraryTargetGenerator.cxx

@@ -305,20 +305,20 @@ void cmMakefileLibraryTargetGenerator::WriteLibraryRules(
     targetFullPathPDB, cmOutputConverter::SHELL);
 
   std::string targetOutPath = this->LocalGenerator->ConvertToOutputFormat(
-    this->LocalGenerator->ConvertToRelativePath(
+    this->LocalGenerator->MaybeConvertToRelativePath(
       this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPath),
     cmOutputConverter::SHELL);
   std::string targetOutPathSO = this->LocalGenerator->ConvertToOutputFormat(
-    this->LocalGenerator->ConvertToRelativePath(
+    this->LocalGenerator->MaybeConvertToRelativePath(
       this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPathSO),
     cmOutputConverter::SHELL);
   std::string targetOutPathReal = this->LocalGenerator->ConvertToOutputFormat(
-    this->LocalGenerator->ConvertToRelativePath(
+    this->LocalGenerator->MaybeConvertToRelativePath(
       this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPathReal),
     cmOutputConverter::SHELL);
   std::string targetOutPathImport =
     this->LocalGenerator->ConvertToOutputFormat(
-      this->LocalGenerator->ConvertToRelativePath(
+      this->LocalGenerator->MaybeConvertToRelativePath(
         this->LocalGenerator->GetCurrentBinaryDirectory(),
         targetFullPathImport),
       cmOutputConverter::SHELL);
@@ -366,24 +366,24 @@ void cmMakefileLibraryTargetGenerator::WriteLibraryRules(
 
   // Clean files associated with this library.
   std::vector<std::string> libCleanFiles;
-  libCleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
+  libCleanFiles.push_back(this->LocalGenerator->MaybeConvertToRelativePath(
     this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPath));
   if (targetNameReal != targetName) {
-    libCleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
+    libCleanFiles.push_back(this->LocalGenerator->MaybeConvertToRelativePath(
       this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPathReal));
   }
   if (targetNameSO != targetName && targetNameSO != targetNameReal) {
-    libCleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
+    libCleanFiles.push_back(this->LocalGenerator->MaybeConvertToRelativePath(
       this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPathSO));
   }
   if (!targetNameImport.empty()) {
-    libCleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
+    libCleanFiles.push_back(this->LocalGenerator->MaybeConvertToRelativePath(
       this->LocalGenerator->GetCurrentBinaryDirectory(),
       targetFullPathImport));
     std::string implib;
     if (this->GeneratorTarget->GetImplibGNUtoMS(targetFullPathImport,
                                                 implib)) {
-      libCleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
+      libCleanFiles.push_back(this->LocalGenerator->MaybeConvertToRelativePath(
         this->LocalGenerator->GetCurrentBinaryDirectory(), implib));
     }
   }
@@ -391,14 +391,14 @@ void cmMakefileLibraryTargetGenerator::WriteLibraryRules(
   // List the PDB for cleaning only when the whole target is
   // cleaned.  We do not want to delete the .pdb file just before
   // linking the target.
-  this->CleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
+  this->CleanFiles.push_back(this->LocalGenerator->MaybeConvertToRelativePath(
     this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPathPDB));
 
 #ifdef _WIN32
   // There may be a manifest file for this target.  Add it to the
   // clean set just in case.
   if (this->GeneratorTarget->GetType() != cmState::STATIC_LIBRARY) {
-    libCleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
+    libCleanFiles.push_back(this->LocalGenerator->MaybeConvertToRelativePath(
       this->LocalGenerator->GetCurrentBinaryDirectory(),
       (targetFullPath + ".manifest").c_str()));
   }
@@ -537,7 +537,7 @@ void cmMakefileLibraryTargetGenerator::WriteLibraryRules(
     std::string objectDir = this->GeneratorTarget->GetSupportDirectory();
 
     objectDir = this->LocalGenerator->ConvertToOutputFormat(
-      this->LocalGenerator->ConvertToRelativePath(
+      this->LocalGenerator->MaybeConvertToRelativePath(
         this->LocalGenerator->GetCurrentBinaryDirectory(), objectDir),
       cmOutputConverter::SHELL);
 
@@ -546,7 +546,7 @@ void cmMakefileLibraryTargetGenerator::WriteLibraryRules(
       ? cmOutputConverter::WATCOMQUOTE
       : cmOutputConverter::SHELL;
     std::string target = this->LocalGenerator->ConvertToOutputFormat(
-      this->LocalGenerator->ConvertToRelativePath(
+      this->LocalGenerator->MaybeConvertToRelativePath(
         this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPathReal),
       output);
     vars.Target = target.c_str();

Source/cmMakefileTargetGenerator.cxx

@@ -166,7 +166,7 @@ void cmMakefileTargetGenerator::WriteTargetBuildRules()
       for (std::vector<std::string>::const_iterator o = outputs.begin();
            o != outputs.end(); ++o) {
         this->CleanFiles.push_back(
-          this->LocalGenerator->ConvertToRelativePath(currentBinDir, *o));
+          this->LocalGenerator->MaybeConvertToRelativePath(currentBinDir, *o));
       }
     }
   }
@@ -209,8 +209,8 @@ void cmMakefileTargetGenerator::WriteCommonCodeRules()
     << this->GlobalGenerator->IncludeDirective << " " << root
     << cmSystemTools::ConvertToOutputPath(
          this->LocalGenerator
-           ->ConvertToRelativePath(this->LocalGenerator->GetBinaryDirectory(),
-                                   dependFileNameFull)
+           ->MaybeConvertToRelativePath(
+             this->LocalGenerator->GetBinaryDirectory(), dependFileNameFull)
            .c_str())
     << "\n\n";
 
@@ -221,7 +221,7 @@ void cmMakefileTargetGenerator::WriteCommonCodeRules()
       << this->GlobalGenerator->IncludeDirective << " " << root
       << cmSystemTools::ConvertToOutputPath(
            this->LocalGenerator
-             ->ConvertToRelativePath(
+             ->MaybeConvertToRelativePath(
                this->LocalGenerator->GetBinaryDirectory(),
                this->ProgressFileNameFull)
              .c_str())
@@ -256,8 +256,9 @@ void cmMakefileTargetGenerator::WriteCommonCodeRules()
     << this->GlobalGenerator->IncludeDirective << " " << root
     << cmSystemTools::ConvertToOutputPath(
          this->LocalGenerator
-           ->ConvertToRelativePath(this->LocalGenerator->GetBinaryDirectory(),
-                                   this->FlagFileNameFull)
+           ->MaybeConvertToRelativePath(
+             this->LocalGenerator->GetBinaryDirectory(),
+             this->FlagFileNameFull)
            .c_str())
     << "\n\n";
 }
@@ -314,9 +315,9 @@ void cmMakefileTargetGenerator::MacOSXContentGeneratorType::operator()(
   output += "/";
   output += cmSystemTools::GetFilenameName(input);
   this->Generator->CleanFiles.push_back(
-    this->Generator->LocalGenerator->ConvertToRelativePath(
+    this->Generator->LocalGenerator->MaybeConvertToRelativePath(
       this->Generator->LocalGenerator->GetCurrentBinaryDirectory(), output));
-  output = this->Generator->LocalGenerator->ConvertToRelativePath(
+  output = this->Generator->LocalGenerator->MaybeConvertToRelativePath(
     this->Generator->LocalGenerator->GetBinaryDirectory(), output);
 
   // Create a rule to copy the content into the bundle.
@@ -518,13 +519,13 @@ void cmMakefileTargetGenerator::WriteObjectBuildFile(
     }
 
     targetOutPathReal = this->LocalGenerator->ConvertToOutputFormat(
-      this->LocalGenerator->ConvertToRelativePath(
+      this->LocalGenerator->MaybeConvertToRelativePath(
         this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPathReal),
       cmOutputConverter::SHELL);
     targetOutPathPDB = this->LocalGenerator->ConvertToOutputFormat(
       targetFullPathPDB, cmOutputConverter::SHELL);
     targetOutPathCompilePDB = this->LocalGenerator->ConvertToOutputFormat(
-      this->LocalGenerator->ConvertToRelativePath(
+      this->LocalGenerator->MaybeConvertToRelativePath(
         this->LocalGenerator->GetCurrentBinaryDirectory(),
         targetFullPathCompilePDB),
       cmOutputConverter::SHELL);
@@ -550,13 +551,13 @@ void cmMakefileTargetGenerator::WriteObjectBuildFile(
   vars.Object = shellObj.c_str();
   std::string objectDir = this->GeneratorTarget->GetSupportDirectory();
   objectDir = this->LocalGenerator->ConvertToOutputFormat(
-    this->LocalGenerator->ConvertToRelativePath(
+    this->LocalGenerator->MaybeConvertToRelativePath(
       this->LocalGenerator->GetCurrentBinaryDirectory(), objectDir),
     cmOutputConverter::SHELL);
   vars.ObjectDir = objectDir.c_str();
   std::string objectFileDir = cmSystemTools::GetFilenamePath(obj);
   objectFileDir = this->LocalGenerator->ConvertToOutputFormat(
-    this->LocalGenerator->ConvertToRelativePath(
+    this->LocalGenerator->MaybeConvertToRelativePath(
       this->LocalGenerator->GetCurrentBinaryDirectory(), objectFileDir),
     cmOutputConverter::SHELL);
   vars.ObjectFileDir = objectFileDir.c_str();
@@ -904,7 +905,7 @@ bool cmMakefileTargetGenerator::WriteMakeRule(
     // Touch the extra output so "make" knows that it was updated,
     // but only if the output was acually created.
     std::string const out = this->LocalGenerator->ConvertToOutputFormat(
-      this->LocalGenerator->ConvertToRelativePath(binDir, *o),
+      this->LocalGenerator->MaybeConvertToRelativePath(binDir, *o),
       cmOutputConverter::SHELL);
     std::vector<std::string> output_commands;
 
@@ -1200,7 +1201,8 @@ void cmMakefileTargetGenerator::WriteObjectsVariable(
   for (std::vector<std::string>::const_iterator i =
          this->ExternalObjects.begin();
        i != this->ExternalObjects.end(); ++i) {
-    object = this->LocalGenerator->ConvertToRelativePath(currentBinDir, *i);
+    object =
+      this->LocalGenerator->MaybeConvertToRelativePath(currentBinDir, *i);
     *this->BuildFileStream << " " << lineContinue << "\n"
                            << this->Makefile->GetSafeDefinition(
                                 "CMAKE_OBJECT_NAME");
@@ -1234,7 +1236,7 @@ public:
   {
     // Construct the name of the next object.
     this->NextObject = this->LocalGenerator->ConvertToOutputFormat(
-      this->LocalGenerator->ConvertToRelativePath(
+      this->LocalGenerator->MaybeConvertToRelativePath(
         this->LocalGenerator->GetCurrentBinaryDirectory(), obj),
       cmOutputConverter::RESPONSE);
 
@@ -1289,7 +1291,7 @@ void cmMakefileTargetGenerator::WriteTargetDriverRule(
     this->LocalGenerator->GetRelativeTargetDirectory(this->GeneratorTarget);
   std::string buildTargetRuleName = dir;
   buildTargetRuleName += relink ? "/preinstall" : "/build";
-  buildTargetRuleName = this->LocalGenerator->ConvertToRelativePath(
+  buildTargetRuleName = this->LocalGenerator->MaybeConvertToRelativePath(
     this->LocalGenerator->GetBinaryDirectory(), buildTargetRuleName);
 
   // Build the list of target outputs to drive.
@@ -1479,7 +1481,7 @@ void cmMakefileTargetGenerator::CreateLinkScript(
   // Create the makefile command to invoke the link script.
   std::string link_command = "$(CMAKE_COMMAND) -E cmake_link_script ";
   link_command += this->LocalGenerator->ConvertToOutputFormat(
-    this->LocalGenerator->ConvertToRelativePath(
+    this->LocalGenerator->MaybeConvertToRelativePath(
       this->LocalGenerator->GetCurrentBinaryDirectory(), linkScriptName),
     cmOutputConverter::SHELL);
   link_command += " --verbose=$(VERBOSE)";
@@ -1716,14 +1718,14 @@ void cmMakefileTargetGenerator::GenDefFile(
       cmd, cmOutputConverter::SHELL);
     cmd += " -E __create_def ";
     cmd += this->LocalGenerator->ConvertToOutputFormat(
-      this->LocalGenerator->ConvertToRelativePath(
+      this->LocalGenerator->MaybeConvertToRelativePath(
         this->LocalGenerator->GetCurrentBinaryDirectory(), name_of_def_file),
       cmOutputConverter::SHELL);
     cmd += " ";
     std::string objlist_file = name_of_def_file;
     objlist_file += ".objs";
     cmd += this->LocalGenerator->ConvertToOutputFormat(
-      this->LocalGenerator->ConvertToRelativePath(
+      this->LocalGenerator->MaybeConvertToRelativePath(
         this->LocalGenerator->GetCurrentBinaryDirectory(), objlist_file),
       cmOutputConverter::SHELL);
     real_link_commands.insert(real_link_commands.begin(), cmd);
@@ -1744,7 +1746,7 @@ void cmMakefileTargetGenerator::GenDefFile(
     linkFlags += " ";
     linkFlags += this->Makefile->GetSafeDefinition("CMAKE_LINK_DEF_FILE_FLAG");
     linkFlags += this->LocalGenerator->ConvertToOutputFormat(
-      this->LocalGenerator->ConvertToRelativePath(
+      this->LocalGenerator->MaybeConvertToRelativePath(
         this->LocalGenerator->GetCurrentBinaryDirectory(), name_of_def_file),
       cmOutputConverter::SHELL);
     linkFlags += " ";

Source/cmMakefileUtilityTargetGenerator.cxx

@@ -46,7 +46,7 @@ void cmMakefileUtilityTargetGenerator::WriteRuleFiles()
       << this->GlobalGenerator->IncludeDirective << " " << root
       << cmSystemTools::ConvertToOutputPath(
            this->LocalGenerator
-             ->ConvertToRelativePath(
+             ->MaybeConvertToRelativePath(
                this->LocalGenerator->GetBinaryDirectory(),
                this->ProgressFileNameFull)
              .c_str())