ENH: add support for cygwin source and binary packaging

1 files changed, 1 insertions, 1 deletions

diff --git a/Source/CPack/cmCPackPackageMakerGenerator.h b/Source/CPack/cmCPackPackageMakerGenerator.h
index b7881de..17adb14 100644
--- a/Source/CPack/cmCPackPackageMakerGenerator.h
+++ b/Source/CPack/cmCPackPackageMakerGenerator.h
@@ -42,7 +42,7 @@ protected:
   virtual int InitializeInternal();
   int CompressFiles(const char* outFileName, const char* toplevel,
     const std::vector<std::string>& files);
-  virtual const char* GetOutputExtension() { return "dmg"; }
+  virtual const char* GetOutputExtension() { return ".dmg"; }
   virtual const char* GetOutputPostfix() { return "darwin"; }
   virtual const char* GetInstallPrefix() { return "/usr"; }