Source: Remove unnecessary calls to CollapseFullPath

Remove call sites whose input is already an absolute path,
or whose result is not used.

Source/cmMakefileTargetGenerator.cxx

@@ -683,9 +683,7 @@ void cmMakefileTargetGenerator::WriteObjectRuleFiles(
   // The object file should be checked for dependency integrity.
   std::string objFullPath =
     cmStrCat(this->LocalGenerator->GetCurrentBinaryDirectory(), '/', obj);
-  objFullPath = cmSystemTools::CollapseFullPath(objFullPath);
-  std::string const srcFullPath =
-    cmSystemTools::CollapseFullPath(source.GetFullPath());
+  std::string const srcFullPath = source.GetFullPath();
   this->LocalGenerator->AddImplicitDepends(this->GeneratorTarget, lang,
                                            objFullPath, srcFullPath, scanner);
 
@@ -1560,8 +1558,7 @@ void cmMakefileTargetGenerator::WriteTargetDependRules()
               cmOutputConverter::SHELL)
          << " "
          << this->LocalGenerator->ConvertToOutputFormat(
-              cmSystemTools::CollapseFullPath(this->InfoFileNameFull),
-              cmOutputConverter::SHELL);
+              this->InfoFileNameFull, cmOutputConverter::SHELL);
   if (this->LocalGenerator->GetColorMakefile()) {
     depCmd << " \"--color=$(COLOR)\"";
   }

Source/cmQtAutoGenerator.cxx

@@ -439,7 +439,6 @@ bool cmQtAutoGenerator::Run(cm::string_view infoFile, cm::string_view config,
 
   // Info file
   this->InfoFile_ = std::string(infoFile);
-  cmSystemTools::CollapseFullPath(this->InfoFile_);
   this->InfoDir_ = cmSystemTools::GetFilenamePath(this->InfoFile_);
 
   // Load info file time

Source/cmStateDirectory.cxx

@@ -21,7 +21,6 @@
 #include "cmState.h"
 #include "cmStatePrivate.h"
 #include "cmStateTypes.h"
-#include "cmSystemTools.h"
 #include "cmValue.h"
 
 static std::string const kBINARY_DIR = "BINARY_DIR";
@@ -36,11 +35,9 @@ std::string const& cmStateDirectory::GetCurrentSource() const
 
 void cmStateDirectory::SetCurrentSource(std::string const& dir)
 {
-  std::string& loc = this->DirectoryState->Location;
-  loc = dir;
-  cmSystemTools::ConvertToUnixSlashes(loc);
-  loc = cmSystemTools::CollapseFullPath(loc);
-  this->Snapshot_.SetDefinition("CMAKE_CURRENT_SOURCE_DIR", loc);
+  this->DirectoryState->Location = dir;
+  this->Snapshot_.SetDefinition("CMAKE_CURRENT_SOURCE_DIR",
+                                this->DirectoryState->Location);
 }
 
 std::string const& cmStateDirectory::GetCurrentBinary() const
@@ -50,11 +47,9 @@ std::string const& cmStateDirectory::GetCurrentBinary() const
 
 void cmStateDirectory::SetCurrentBinary(std::string const& dir)
 {
-  std::string& loc = this->DirectoryState->OutputLocation;
-  loc = dir;
-  cmSystemTools::ConvertToUnixSlashes(loc);
-  loc = cmSystemTools::CollapseFullPath(loc);
-  this->Snapshot_.SetDefinition("CMAKE_CURRENT_BINARY_DIR", loc);
+  this->DirectoryState->OutputLocation = dir;
+  this->Snapshot_.SetDefinition("CMAKE_CURRENT_BINARY_DIR",
+                                this->DirectoryState->OutputLocation);
 }
 
 cmStateDirectory::cmStateDirectory(