cmInstallGenerator: Pass destination explicitly to AddInstallRule

This will allow specific invocations to transform the destination
before AddInstallRule uses it.

Source/cmInstallDirectoryGenerator.cxx

@@ -44,7 +44,9 @@ cmInstallDirectoryGenerator::GenerateScriptActions(std::ostream& os,
 {
   // Write code to install the directories.
   const char* no_rename = 0;
-  this->AddInstallRule(os, cmInstallType_DIRECTORY,
+  this->AddInstallRule(os,
+                       this->Destination,
+                       cmInstallType_DIRECTORY,
                        this->Directories,
                        this->Optional,
                        this->FilePermissions.c_str(),

Source/cmInstallExportGenerator.cxx

@@ -185,7 +185,8 @@ cmInstallExportGenerator::GenerateScriptConfigs(std::ostream& os,
     files.push_back(i->second);
     std::string config_test = this->CreateConfigTest(i->first);
     os << indent << "if(" << config_test << ")\n";
-    this->AddInstallRule(os, cmInstallType_FILES, files, false,
+    this->AddInstallRule(os, this->Destination,
+                         cmInstallType_FILES, files, false,
                          this->FilePermissions.c_str(), 0, 0, 0,
                          indent.Next());
     os << indent << "endif()\n";
@@ -224,6 +225,7 @@ void cmInstallExportGenerator::GenerateScriptActions(std::ostream& os,
   // Install the main export file.
   std::vector<std::string> files;
   files.push_back(this->MainImportFile);
-  this->AddInstallRule(os, cmInstallType_FILES, files, false,
+  this->AddInstallRule(os, this->Destination,
+                       cmInstallType_FILES, files, false,
                        this->FilePermissions.c_str(), 0, 0, 0, indent);
 }

Source/cmInstallFilesGenerator.cxx

@@ -57,6 +57,7 @@ void cmInstallFilesGenerator::AddFilesInstallRule(
   // Write code to install the files.
   const char* no_dir_permissions = 0;
   this->AddInstallRule(os,
+                       this->Destination,
                        (this->Programs
                         ? cmInstallType_PROGRAMS
                         : cmInstallType_FILES),

Source/cmInstallGenerator.cxx

@@ -37,6 +37,7 @@ cmInstallGenerator
 void cmInstallGenerator
 ::AddInstallRule(
                  std::ostream& os,
+                 std::string const& dest,
                  cmInstallType type,
                  std::vector<std::string> const& files,
                  bool optional /* = false */,
@@ -60,7 +61,6 @@ void cmInstallGenerator
     case cmInstallType_FILES:          stype = "FILE"; break;
     }
   os << indent;
-  std::string const& dest = this->Destination;
   if (cmSystemTools::FileIsFullPath(dest.c_str()))
      {
      os << "list(APPEND CMAKE_ABSOLUTE_DESTINATION_FILES\n";

Source/cmInstallGenerator.h

@@ -40,7 +40,9 @@ public:
   virtual ~cmInstallGenerator();
 
   void AddInstallRule(
-    std::ostream& os, cmInstallType type,
+    std::ostream& os,
+    std::string const& dest,
+    cmInstallType type,
     std::vector<std::string> const& files,
     bool optional = false,
     const char* permissions_file = 0,

Source/cmInstallTargetGenerator.cxx

@@ -323,8 +323,8 @@ void cmInstallTargetGenerator::GenerateScriptForConfig(std::ostream& os,
   const char* no_dir_permissions = 0;
   const char* no_rename = 0;
   bool optional = this->Optional || this->ImportLibrary;
-  this->AddInstallRule(os, type, filesFrom,
-                       optional,
+  this->AddInstallRule(os, this->Destination,
+                       type, filesFrom, optional,
                        this->FilePermissions.c_str(), no_dir_permissions,
                        no_rename, literal_args.c_str(),
                        indent);