5 files changed, 108 insertions, 3 deletions

diff --git a/Source/CPack/IFW/cmCPackIFWInstaller.cxx b/Source/CPack/IFW/cmCPackIFWInstaller.cxx
index ba3248f..a6d443b 100644
--- a/Source/CPack/IFW/cmCPackIFWInstaller.cxx
+++ b/Source/CPack/IFW/cmCPackIFWInstaller.cxx
@@ -405,7 +405,11 @@ void cmCPackIFWInstaller::GeneratePackageFiles()
     // Check package group
     if (const char* option = GetOption("CPACK_IFW_PACKAGE_GROUP")) {
       package.ConfigureFromGroup(option);
-      package.ForcedInstallation = "true";
+      std::string forcedOption = "CPACK_IFW_COMPONENT_GROUP_" +
+        cmsys::SystemTools::UpperCase(option) + "_FORCED_INSTALLATION";
+      if (!GetOption(forcedOption)) {
+        package.ForcedInstallation = "true";
+      }
     } else {
       package.ConfigureFromOptions();
     }
diff --git a/Source/CPack/IFW/cmCPackIFWPackage.cxx b/Source/CPack/IFW/cmCPackIFWPackage.cxx
index 4d46120..902c85d 100644
--- a/Source/CPack/IFW/cmCPackIFWPackage.cxx
+++ b/Source/CPack/IFW/cmCPackIFWPackage.cxx
@@ -109,6 +109,16 @@ bool cmCPackIFWPackage::IsOn(const std::string& op) const
   return Generator ? Generator->IsOn(op) : false;
 }
 
+bool cmCPackIFWPackage::IsSetToOff(const std::string& op) const
+{
+  return Generator ? Generator->IsSetToOff(op) : false;
+}
+
+bool cmCPackIFWPackage::IsSetToEmpty(const std::string& op) const
+{
+  return Generator ? Generator->IsSetToEmpty(op) : false;
+}
+
 bool cmCPackIFWPackage::IsVersionLess(const char* version)
 {
   return Generator ? Generator->IsVersionLess(version) : false;
@@ -286,7 +296,7 @@ int cmCPackIFWPackage::ConfigureFromComponent(cmCPackComponent* component)
   // ForcedInstallation
   ForcedInstallation = component->IsRequired ? "true" : "false";
 
-  return 1;
+  return ConfigureFromPrefix(prefix);
 }
 
 int cmCPackIFWPackage::ConfigureFromGroup(cmCPackComponentGroup* group)
@@ -344,7 +354,7 @@ int cmCPackIFWPackage::ConfigureFromGroup(cmCPackComponentGroup* group)
     SortingPriority = option;
   }
 
-  return 1;
+  return ConfigureFromPrefix(prefix);
 }
 
 int cmCPackIFWPackage::ConfigureFromGroup(const std::string& groupName)
@@ -380,6 +390,74 @@ int cmCPackIFWPackage::ConfigureFromGroup(const std::string& groupName)
   return ConfigureFromGroup(&group);
 }
 
+// Common options for components and groups
+int cmCPackIFWPackage::ConfigureFromPrefix(const std::string& prefix)
+{
+  // Temporary variable for full option name
+  std::string option;
+
+  // Display name
+  option = prefix + "DISPLAY_NAME";
+  if (IsSetToEmpty(option)) {
+    DisplayName.clear();
+  } else if (const char* value = GetOption(option)) {
+    DisplayName = value;
+  }
+
+  // Description
+  option = prefix + "DESCRIPTION";
+  if (IsSetToEmpty(option)) {
+    Description.clear();
+  } else if (const char* value = GetOption(option)) {
+    Description = value;
+  }
+
+  // Release date
+  option = prefix + "RELEASE_DATE";
+  if (IsSetToEmpty(option)) {
+    ReleaseDate.clear();
+  } else if (const char* value = GetOption(option)) {
+    ReleaseDate = value;
+  }
+
+  // Visibility
+  option = prefix + "VIRTUAL";
+  if (IsSetToEmpty(option)) {
+    Virtual.clear();
+  } else if (IsOn(option)) {
+    Virtual = "true";
+  }
+
+  // Default selection
+  option = prefix + "DEFAULT";
+  if (IsSetToEmpty(option)) {
+    Default.clear();
+  } else if (const char* value = GetOption(option)) {
+    std::string lowerValue = cmsys::SystemTools::LowerCase(value);
+    if (lowerValue.compare("true") == 0) {
+      Default = "true";
+    } else if (lowerValue.compare("false") == 0) {
+      Default = "false";
+    } else if (lowerValue.compare("script") == 0) {
+      Default = "script";
+    } else {
+      Default = value;
+    }
+  }
+
+  // Forsed installation
+  option = prefix + "FORCED_INSTALLATION";
+  if (IsSetToEmpty(option)) {
+    ForcedInstallation.clear();
+  } else if (IsOn(option)) {
+    ForcedInstallation = "true";
+  } else if (IsSetToOff(option)) {
+    ForcedInstallation = "false";
+  }
+
+  return 1;
+}
+
 void cmCPackIFWPackage::GeneratePackageFile()
 {
   // Lazy directory initialization
diff --git a/Source/CPack/IFW/cmCPackIFWPackage.h b/Source/CPack/IFW/cmCPackIFWPackage.h
index d1af2bd..76ed540 100644
--- a/Source/CPack/IFW/cmCPackIFWPackage.h
+++ b/Source/CPack/IFW/cmCPackIFWPackage.h
@@ -112,6 +112,8 @@ public:
 
   const char* GetOption(const std::string& op) const;
   bool IsOn(const std::string& op) const;
+  bool IsSetToOff(const std::string& op) const;
+  bool IsSetToEmpty(const std::string& op) const;
 
   bool IsVersionLess(const char* version);
   bool IsVersionGreater(const char* version);
@@ -125,6 +127,7 @@ public:
   int ConfigureFromComponent(cmCPackComponent* component);
   int ConfigureFromGroup(cmCPackComponentGroup* group);
   int ConfigureFromGroup(const std::string& groupName);
+  int ConfigureFromPrefix(const std::string& prefix);
 
   void GeneratePackageFile();
 
diff --git a/Source/CPack/cmCPackGenerator.cxx b/Source/CPack/cmCPackGenerator.cxx
index 3878a32..21eda79 100644
--- a/Source/CPack/cmCPackGenerator.cxx
+++ b/Source/CPack/cmCPackGenerator.cxx
@@ -1074,6 +1074,24 @@ bool cmCPackGenerator::IsOn(const std::string& name) const
   return cmSystemTools::IsOn(GetOption(name));
 }
 
+bool cmCPackGenerator::IsSetToOff(const std::string& op) const
+{
+  const char* ret = this->MakefileMap->GetDefinition(op);
+  if (ret && *ret) {
+    return cmSystemTools::IsOff(ret);
+  }
+  return false;
+}
+
+bool cmCPackGenerator::IsSetToEmpty(const std::string& op) const
+{
+  const char* ret = this->MakefileMap->GetDefinition(op);
+  if (ret) {
+    return !*ret;
+  }
+  return false;
+}
+
 const char* cmCPackGenerator::GetOption(const std::string& op) const
 {
   const char* ret = this->MakefileMap->GetDefinition(op);
diff --git a/Source/CPack/cmCPackGenerator.h b/Source/CPack/cmCPackGenerator.h
index b43bf8a..10a5a36 100644
--- a/Source/CPack/cmCPackGenerator.h
+++ b/Source/CPack/cmCPackGenerator.h
@@ -92,6 +92,8 @@ public:
   std::vector<std::string> GetOptions() const;
   bool IsSet(const std::string& name) const;
   bool IsOn(const std::string& name) const;
+  bool IsSetToOff(const std::string& op) const;
+  bool IsSetToEmpty(const std::string& op) const;
 
   //! Set the logger
   void SetLogger(cmCPackLog* log) { this->Logger = log; }