--- a/libtool.rc	Thu Oct 06 17:30:41 2011 +0200
+++ b/libtool.rc	Fri Oct 07 11:51:39 2011 +0200
@@ -5,11 +5,13 @@
 VS_VERSION_INFO VERSIONINFO
   FILEVERSION     6,2,1,66
   PRODUCTVERSION  6,2,1,1
+#if (__BORLANDC__)
   FILEFLAGSMASK   VS_FF_DEBUG | VS_FF_PRERELEASE
   FILEFLAGS       VS_FF_PRERELEASE | VS_FF_SPECIALBUILD
   FILEOS          VOS_NT_WINDOWS32
   FILETYPE        VFT_DLL
   FILESUBTYPE     VS_USER_DEFINED
+#endif
 
 BEGIN
   BLOCK "StringFileInfo"