1 files changed, 42 insertions, 0 deletions
diff --git a/Source/CPack/cmCPackGenerator.h b/Source/CPack/cmCPackGenerator.h
index 55afb44..6748512 100644
--- a/Source/CPack/cmCPackGenerator.h
+++ b/Source/CPack/cmCPackGenerator.h
@@ -63,6 +63,16 @@ public:
       cmSystemTools::OUTPUT_MERGE : cmSystemTools::OUTPUT_NONE; }
 
   /**
+   * Returns true if the generator may work on this system.
+   * Rational:
+   * Some CPack generator may run on some host and may not on others
+   * (with the same system) because some tools are missing. If the tool
+   * is missing then CPack won't activate (in the CPackGeneratorFactory)
+   * this particular generator.
+   */
+  static bool CanGenerate() { return true; }
+
+  /**
    * Do the actual whole package processing.
    * Subclass may redefine it but its usually enough
    * to redefine @ref PackageFiles, because in fact
@@ -190,6 +200,38 @@ protected:
     bool setDestDir, const char* tempInstallDirectory);
 
   /**
+   * The various level of support of
+   * CPACK_SET_DESTDIR used by the generator.
+   */
+  enum CPackSetDestdirSupport {
+    /* the generator works with or without it */
+    SETDESTDIR_SUPPORTED,
+    /* the generator works best if automatically handled */
+    SETDESTDIR_INTERNALLY_SUPPORTED,
+    /* no official support, use at your own risk */
+    SETDESTDIR_SHOULD_NOT_BE_USED,
+    /* officially NOT supported */
+    SETDESTDIR_UNSUPPORTED
+  };
+
+  /**
+   * Does the CPack generator support CPACK_SET_DESTDIR?
+   * The default legacy value is 'SETDESTDIR_SUPPORTED' generator
+   * have to override it in order change this.
+   * @return CPackSetDestdirSupport
+   */
+  virtual enum CPackSetDestdirSupport SupportsSetDestdir() const;
+
+  /**
+   * Does the CPack generator support absolute path
+   * in INSTALL DESTINATION?
+   * The default legacy value is 'true' generator
+   * have to override it in order change this.
+   * @return true if supported false otherwise
+   */
+  virtual bool SupportsAbsoluteDestination() const;
+
+  /**
    * Does the CPack generator support component installation?.
    * Some Generators requires the user to set
    * CPACK_<GENNAME>_COMPONENT_INSTALL in order to make this