Revert "tdf#124176: Use "pragma once" on udkapi/*"

This reverts commit 8fd8c0894deb1e9161aa4290c0f9c860ab4b14fb.

Reason for revert: As the failed Jenkins build shows, idlc does not support "#pragma once" in UNO .idl files.

Change-Id: Ic025d11254da87876e6248db47b8a9a124f26796
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/85929
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

57 files changed, 171 insertions, 57 deletions

diff --git a/udkapi/com/sun/star/io/AlreadyConnectedException.idl b/udkapi/com/sun/star/io/AlreadyConnectedException.idl
index 10dec847979a..a7d70e208df6 100644
--- a/udkapi/com/sun/star/io/AlreadyConnectedException.idl
+++ b/udkapi/com/sun/star/io/AlreadyConnectedException.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_AlreadyConnectedException_idl__
+#define __com_sun_star_io_AlreadyConnectedException_idl__
 
 #include <com/sun/star/io/IOException.idl>
 
@@ -34,5 +35,6 @@ exception AlreadyConnectedException: com::sun::star::io::IOException
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/BufferSizeExceededException.idl b/udkapi/com/sun/star/io/BufferSizeExceededException.idl
index 9dde9cf0d1bc..c12c07e8df38 100644
--- a/udkapi/com/sun/star/io/BufferSizeExceededException.idl
+++ b/udkapi/com/sun/star/io/BufferSizeExceededException.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_BufferSizeExceededException_idl__
+#define __com_sun_star_io_BufferSizeExceededException_idl__
 
 #include <com/sun/star/io/IOException.idl>
 
@@ -38,5 +39,6 @@ published exception BufferSizeExceededException: com::sun::star::io::IOException
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/ConnectException.idl b/udkapi/com/sun/star/io/ConnectException.idl
index 9cfb221f7cc0..aaee88d0219c 100644
--- a/udkapi/com/sun/star/io/ConnectException.idl
+++ b/udkapi/com/sun/star/io/ConnectException.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_ConnectException_idl__
+#define __com_sun_star_io_ConnectException_idl__
 
 #include <com/sun/star/io/SocketException.idl>
 
@@ -35,5 +36,6 @@ exception ConnectException: com::sun::star::io::SocketException
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/DataInputStream.idl b/udkapi/com/sun/star/io/DataInputStream.idl
index 70f6e98c91de..923ce61d541e 100644
--- a/udkapi/com/sun/star/io/DataInputStream.idl
+++ b/udkapi/com/sun/star/io/DataInputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_DataInputStream_idl__
+#define __com_sun_star_io_DataInputStream_idl__
 
 #include <com/sun/star/io/XDataInputStream.idl>
 
@@ -55,5 +56,6 @@ published service DataInputStream
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/DataOutputStream.idl b/udkapi/com/sun/star/io/DataOutputStream.idl
index 53a0487f0d85..f217893b5d67 100644
--- a/udkapi/com/sun/star/io/DataOutputStream.idl
+++ b/udkapi/com/sun/star/io/DataOutputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_DataOutputStream_idl__
+#define __com_sun_star_io_DataOutputStream_idl__
 
 #include <com/sun/star/io/XDataOutputStream.idl>
 
@@ -47,5 +48,6 @@ published service DataOutputStream
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/DataTransferEvent.idl b/udkapi/com/sun/star/io/DataTransferEvent.idl
index f8cc841ccbfb..9f347bb0132e 100644
--- a/udkapi/com/sun/star/io/DataTransferEvent.idl
+++ b/udkapi/com/sun/star/io/DataTransferEvent.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_DataTransferEvent_idl__
+#define __com_sun_star_io_DataTransferEvent_idl__
 
 #include <com/sun/star/lang/EventObject.idl>
 
@@ -38,5 +39,6 @@ published struct DataTransferEvent: com::sun::star::lang::EventObject
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/FilePermission.idl b/udkapi/com/sun/star/io/FilePermission.idl
index 8d9539f9b0ac..b3d19817087b 100644
--- a/udkapi/com/sun/star/io/FilePermission.idl
+++ b/udkapi/com/sun/star/io/FilePermission.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_FilePermission_idl__
+#define __com_sun_star_io_FilePermission_idl__
 
 module com {  module sun {  module star {  module io {
 
@@ -68,5 +69,6 @@ published struct FilePermission
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/IOException.idl b/udkapi/com/sun/star/io/IOException.idl
index b97afeea8b8f..cdc25e547d71 100644
--- a/udkapi/com/sun/star/io/IOException.idl
+++ b/udkapi/com/sun/star/io/IOException.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_IOException_idl__
+#define __com_sun_star_io_IOException_idl__
 
 #include <com/sun/star/uno/Exception.idl>
 
@@ -33,5 +34,6 @@ published exception IOException: com::sun::star::uno::Exception
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/MarkableInputStream.idl b/udkapi/com/sun/star/io/MarkableInputStream.idl
index f414682dfc85..c54d29254077 100644
--- a/udkapi/com/sun/star/io/MarkableInputStream.idl
+++ b/udkapi/com/sun/star/io/MarkableInputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_MarkableInputStream_idl__
+#define __com_sun_star_io_MarkableInputStream_idl__
 
 #include <com/sun/star/io/XMarkableStream.idl>
 
@@ -59,5 +60,6 @@ published service MarkableInputStream
 
 
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/MarkableOutputStream.idl b/udkapi/com/sun/star/io/MarkableOutputStream.idl
index 241a281fc8db..7ba2fe3d5ef0 100644
--- a/udkapi/com/sun/star/io/MarkableOutputStream.idl
+++ b/udkapi/com/sun/star/io/MarkableOutputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_MarkableOutputStream_idl__
+#define __com_sun_star_io_MarkableOutputStream_idl__
 
 #include <com/sun/star/io/XMarkableStream.idl>
 #include <com/sun/star/io/XActiveDataSource.idl>
@@ -62,5 +63,6 @@ published service MarkableOutputStream
 
 
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/NoRouteToHostException.idl b/udkapi/com/sun/star/io/NoRouteToHostException.idl
index f7cb046b942a..46f201457e9e 100644
--- a/udkapi/com/sun/star/io/NoRouteToHostException.idl
+++ b/udkapi/com/sun/star/io/NoRouteToHostException.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_NoRouteToHostException_idl__
+#define __com_sun_star_io_NoRouteToHostException_idl__
 
 #include <com/sun/star/io/SocketException.idl>
 
@@ -34,5 +35,6 @@ exception NoRouteToHostException: com::sun::star::io::SocketException
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/NotConnectedException.idl b/udkapi/com/sun/star/io/NotConnectedException.idl
index 32b680a02e25..ca36c5620e96 100644
--- a/udkapi/com/sun/star/io/NotConnectedException.idl
+++ b/udkapi/com/sun/star/io/NotConnectedException.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_NotConnectedException_idl__
+#define __com_sun_star_io_NotConnectedException_idl__
 
 #include <com/sun/star/io/IOException.idl>
 
@@ -34,5 +35,6 @@ published exception NotConnectedException: com::sun::star::io::IOException
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/ObjectInputStream.idl b/udkapi/com/sun/star/io/ObjectInputStream.idl
index a2af2922371b..02f9faac4757 100644
--- a/udkapi/com/sun/star/io/ObjectInputStream.idl
+++ b/udkapi/com/sun/star/io/ObjectInputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_ObjectInputStream_idl__
+#define __com_sun_star_io_ObjectInputStream_idl__
 
 #include <com/sun/star/io/XObjectInputStream.idl>
 
@@ -81,5 +82,6 @@ published service ObjectInputStream
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/ObjectOutputStream.idl b/udkapi/com/sun/star/io/ObjectOutputStream.idl
index 604c88ddd538..2a31b67e2074 100644
--- a/udkapi/com/sun/star/io/ObjectOutputStream.idl
+++ b/udkapi/com/sun/star/io/ObjectOutputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_ObjectOutputStream_idl__
+#define __com_sun_star_io_ObjectOutputStream_idl__
 
 #include <com/sun/star/io/XObjectOutputStream.idl>
 
@@ -70,5 +71,6 @@ published service ObjectOutputStream
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/Pipe.idl b/udkapi/com/sun/star/io/Pipe.idl
index ed297da8af21..51e716b67207 100644
--- a/udkapi/com/sun/star/io/Pipe.idl
+++ b/udkapi/com/sun/star/io/Pipe.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_Pipe_idl__
+#define __com_sun_star_io_Pipe_idl__
 
 #include <com/sun/star/io/XPipe.idl>
 
@@ -36,5 +37,6 @@ published service Pipe : XPipe;
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/Pump.idl b/udkapi/com/sun/star/io/Pump.idl
index ab750a5e97c3..ab3ecd545d3c 100644
--- a/udkapi/com/sun/star/io/Pump.idl
+++ b/udkapi/com/sun/star/io/Pump.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_Pump_idl__
+#define __com_sun_star_io_Pump_idl__
 
 #include <com/sun/star/io/XActiveDataSource.idl>
 
@@ -52,5 +53,6 @@ published service Pump
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/SequenceInputStream.idl b/udkapi/com/sun/star/io/SequenceInputStream.idl
index 2b3bc8d5de55..4a86f7df6f2c 100644
--- a/udkapi/com/sun/star/io/SequenceInputStream.idl
+++ b/udkapi/com/sun/star/io/SequenceInputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_SequenceInputStream_idl__
+#define __com_sun_star_io_SequenceInputStream_idl__
 
 #include <com/sun/star/io/XSeekableInputStream.idl>
 
@@ -38,5 +39,6 @@ published service SequenceInputStream : XSeekableInputStream
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/SequenceOutputStream.idl b/udkapi/com/sun/star/io/SequenceOutputStream.idl
index 4f681fceca61..64ac49a158c1 100644
--- a/udkapi/com/sun/star/io/SequenceOutputStream.idl
+++ b/udkapi/com/sun/star/io/SequenceOutputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_SequenceOutputStream_idl__
+#define __com_sun_star_io_SequenceOutputStream_idl__
 
 #include <com/sun/star/io/XSequenceOutputStream.idl>
 
@@ -31,5 +32,6 @@ service SequenceOutputStream : XSequenceOutputStream;
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/SocketException.idl b/udkapi/com/sun/star/io/SocketException.idl
index e1c46ace75dd..1ff4f1b584ca 100644
--- a/udkapi/com/sun/star/io/SocketException.idl
+++ b/udkapi/com/sun/star/io/SocketException.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_SocketException_idl__
+#define __com_sun_star_io_SocketException_idl__
 
 #include <com/sun/star/io/IOException.idl>
 
@@ -33,5 +34,6 @@ exception SocketException: com::sun::star::io::IOException
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/TempFile.idl b/udkapi/com/sun/star/io/TempFile.idl
index 63c367b9fde4..766e3382110f 100644
--- a/udkapi/com/sun/star/io/TempFile.idl
+++ b/udkapi/com/sun/star/io/TempFile.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_TempFile_idl__
+#define __com_sun_star_io_TempFile_idl__
 
 #include <com/sun/star/io/XTempFile.idl>
 
@@ -30,5 +31,6 @@ service TempFile : XTempFile;
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/TextInputStream.idl b/udkapi/com/sun/star/io/TextInputStream.idl
index ff1db2d2d550..603053e65e9f 100644
--- a/udkapi/com/sun/star/io/TextInputStream.idl
+++ b/udkapi/com/sun/star/io/TextInputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_TextInputStream_idl__
+#define __com_sun_star_io_TextInputStream_idl__
 
 #include <com/sun/star/io/XTextInputStream2.idl>
 #include <com/sun/star/io/XActiveDataSink.idl>
@@ -38,5 +39,6 @@ published service TextInputStream : XTextInputStream2;
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/TextOutputStream.idl b/udkapi/com/sun/star/io/TextOutputStream.idl
index 27e1b49bdbd3..055335912bcd 100644
--- a/udkapi/com/sun/star/io/TextOutputStream.idl
+++ b/udkapi/com/sun/star/io/TextOutputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_TextOutputStream_idl__
+#define __com_sun_star_io_TextOutputStream_idl__
 
 #include <com/sun/star/io/XTextOutputStream2.idl>
 
@@ -37,5 +38,6 @@ published service TextOutputStream : XTextOutputStream2;
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/UnexpectedEOFException.idl b/udkapi/com/sun/star/io/UnexpectedEOFException.idl
index c76e6eda3b02..30b6d5dbc331 100644
--- a/udkapi/com/sun/star/io/UnexpectedEOFException.idl
+++ b/udkapi/com/sun/star/io/UnexpectedEOFException.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_UnexpectedEOFException_idl__
+#define __com_sun_star_io_UnexpectedEOFException_idl__
 
 #include <com/sun/star/io/IOException.idl>
 
@@ -34,5 +35,6 @@ published exception UnexpectedEOFException: com::sun::star::io::IOException
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/UnknownHostException.idl b/udkapi/com/sun/star/io/UnknownHostException.idl
index c4eee0e303b9..2f533921470c 100644
--- a/udkapi/com/sun/star/io/UnknownHostException.idl
+++ b/udkapi/com/sun/star/io/UnknownHostException.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_UnknownHostException_idl__
+#define __com_sun_star_io_UnknownHostException_idl__
 
 #include <com/sun/star/io/IOException.idl>
 
@@ -32,5 +33,6 @@ exception UnknownHostException: com::sun::star::io::IOException
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/WrongFormatException.idl b/udkapi/com/sun/star/io/WrongFormatException.idl
index cca21be52b40..77ecd470fced 100644
--- a/udkapi/com/sun/star/io/WrongFormatException.idl
+++ b/udkapi/com/sun/star/io/WrongFormatException.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_WrongFormatException_idl__
+#define __com_sun_star_io_WrongFormatException_idl__
 
 #include <com/sun/star/io/IOException.idl>
 
@@ -34,5 +35,6 @@ published exception WrongFormatException: com::sun::star::io::IOException
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XActiveDataControl.idl b/udkapi/com/sun/star/io/XActiveDataControl.idl
index 0ca8fe9b4e7c..57af66322079 100644
--- a/udkapi/com/sun/star/io/XActiveDataControl.idl
+++ b/udkapi/com/sun/star/io/XActiveDataControl.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XActiveDataControl_idl__
+#define __com_sun_star_io_XActiveDataControl_idl__
 
 #include <com/sun/star/uno/XInterface.idl>
 
@@ -71,5 +72,6 @@ published interface XActiveDataControl: com::sun::star::uno::XInterface
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XActiveDataSink.idl b/udkapi/com/sun/star/io/XActiveDataSink.idl
index 547753b3b071..ab0366c31092 100644
--- a/udkapi/com/sun/star/io/XActiveDataSink.idl
+++ b/udkapi/com/sun/star/io/XActiveDataSink.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XActiveDataSink_idl__
+#define __com_sun_star_io_XActiveDataSink_idl__
 
 #include <com/sun/star/uno/XInterface.idl>
 
@@ -51,5 +52,6 @@ published interface XActiveDataSink: com::sun::star::uno::XInterface
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XActiveDataSource.idl b/udkapi/com/sun/star/io/XActiveDataSource.idl
index 2693fa541685..f0ad70f8d8f3 100644
--- a/udkapi/com/sun/star/io/XActiveDataSource.idl
+++ b/udkapi/com/sun/star/io/XActiveDataSource.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XActiveDataSource_idl__
+#define __com_sun_star_io_XActiveDataSource_idl__
 
 #include <com/sun/star/uno/XInterface.idl>
 
@@ -51,5 +52,6 @@ published interface XActiveDataSource: com::sun::star::uno::XInterface
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XActiveDataStreamer.idl b/udkapi/com/sun/star/io/XActiveDataStreamer.idl
index cd6a344ac0bb..f79d0a2ca3ef 100644
--- a/udkapi/com/sun/star/io/XActiveDataStreamer.idl
+++ b/udkapi/com/sun/star/io/XActiveDataStreamer.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XActiveDataStreamer_idl__
+#define __com_sun_star_io_XActiveDataStreamer_idl__
 
 #include <com/sun/star/uno/XInterface.idl>
 
@@ -52,5 +53,6 @@ published interface XActiveDataStreamer: com::sun::star::uno::XInterface
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XAsyncOutputMonitor.idl b/udkapi/com/sun/star/io/XAsyncOutputMonitor.idl
index 5fbb72e032d7..2373a550348f 100644
--- a/udkapi/com/sun/star/io/XAsyncOutputMonitor.idl
+++ b/udkapi/com/sun/star/io/XAsyncOutputMonitor.idl
@@ -17,7 +17,8 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#pragma once
+#ifndef __com_sun_star_io_XAsyncOutputMonitor_idl__
+#define __com_sun_star_io_XAsyncOutputMonitor_idl__
 
 #include <com/sun/star/io/IOException.idl>
 #include <com/sun/star/uno/XInterface.idl>
@@ -78,5 +79,6 @@ interface XAsyncOutputMonitor {
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XConnectable.idl b/udkapi/com/sun/star/io/XConnectable.idl
index c38802c0b59d..ae9baa3b7430 100644
--- a/udkapi/com/sun/star/io/XConnectable.idl
+++ b/udkapi/com/sun/star/io/XConnectable.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XConnectable_idl__
+#define __com_sun_star_io_XConnectable_idl__
 
 #include <com/sun/star/uno/XInterface.idl>
 
@@ -60,5 +61,6 @@ published interface XConnectable: com::sun::star::uno::XInterface
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XDataExporter.idl b/udkapi/com/sun/star/io/XDataExporter.idl
index edd1210ac94c..a51d54a8a808 100644
--- a/udkapi/com/sun/star/io/XDataExporter.idl
+++ b/udkapi/com/sun/star/io/XDataExporter.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XDataExporter_idl__
+#define __com_sun_star_io_XDataExporter_idl__
 
 #include <com/sun/star/uno/XInterface.idl>
 
@@ -52,5 +53,6 @@ published interface XDataExporter: com::sun::star::uno::XInterface
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XDataImporter.idl b/udkapi/com/sun/star/io/XDataImporter.idl
index 38d644dec86b..af4073997e00 100644
--- a/udkapi/com/sun/star/io/XDataImporter.idl
+++ b/udkapi/com/sun/star/io/XDataImporter.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XDataImporter_idl__
+#define __com_sun_star_io_XDataImporter_idl__
 
 #include <com/sun/star/uno/XInterface.idl>
 
@@ -51,5 +52,6 @@ published interface XDataImporter: com::sun::star::uno::XInterface
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XDataInputStream.idl b/udkapi/com/sun/star/io/XDataInputStream.idl
index dfef4864ef22..ea22ae5ea67e 100644
--- a/udkapi/com/sun/star/io/XDataInputStream.idl
+++ b/udkapi/com/sun/star/io/XDataInputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XDataInputStream_idl__
+#define __com_sun_star_io_XDataInputStream_idl__
 
 #include <com/sun/star/io/XInputStream.idl>
 
@@ -83,5 +84,6 @@ published interface XDataInputStream: com::sun::star::io::XInputStream
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XDataOutputStream.idl b/udkapi/com/sun/star/io/XDataOutputStream.idl
index fa77ec8e9bd6..5a0e7b2f0787 100644
--- a/udkapi/com/sun/star/io/XDataOutputStream.idl
+++ b/udkapi/com/sun/star/io/XDataOutputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XDataOutputStream_idl__
+#define __com_sun_star_io_XDataOutputStream_idl__
 
 #include <com/sun/star/io/XOutputStream.idl>
 
@@ -83,5 +84,6 @@ published interface XDataOutputStream: com::sun::star::io::XOutputStream
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XDataTransferEventListener.idl b/udkapi/com/sun/star/io/XDataTransferEventListener.idl
index 2f4f498ab48a..ffde32b661ee 100644
--- a/udkapi/com/sun/star/io/XDataTransferEventListener.idl
+++ b/udkapi/com/sun/star/io/XDataTransferEventListener.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XDataTransferEventListener_idl__
+#define __com_sun_star_io_XDataTransferEventListener_idl__
 
 #include <com/sun/star/lang/XEventListener.idl>
 
@@ -43,5 +44,6 @@ published interface XDataTransferEventListener: com::sun::star::lang::XEventList
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XInputStream.idl b/udkapi/com/sun/star/io/XInputStream.idl
index 0acd5e8bb902..c4fa25eb8c22 100644
--- a/udkapi/com/sun/star/io/XInputStream.idl
+++ b/udkapi/com/sun/star/io/XInputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XInputStream_idl__
+#define __com_sun_star_io_XInputStream_idl__
 
 #include <com/sun/star/uno/XInterface.idl>
 
@@ -139,5 +140,6 @@ published interface XInputStream: com::sun::star::uno::XInterface
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XInputStreamProvider.idl b/udkapi/com/sun/star/io/XInputStreamProvider.idl
index d369fdb34aec..902157d64ca2 100644
--- a/udkapi/com/sun/star/io/XInputStreamProvider.idl
+++ b/udkapi/com/sun/star/io/XInputStreamProvider.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XInputStreamProvider_idl__
+#define __com_sun_star_io_XInputStreamProvider_idl__
 
 #include <com/sun/star/io/XInputStream.idl>
 
@@ -44,5 +45,6 @@ published interface XInputStreamProvider : com::sun::star::uno::XInterface
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XMarkableStream.idl b/udkapi/com/sun/star/io/XMarkableStream.idl
index 1fbd5f120907..f8733b1deaea 100644
--- a/udkapi/com/sun/star/io/XMarkableStream.idl
+++ b/udkapi/com/sun/star/io/XMarkableStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XMarkableStream_idl__
+#define __com_sun_star_io_XMarkableStream_idl__
 
 #include <com/sun/star/uno/XInterface.idl>
 
@@ -88,5 +89,6 @@ published interface XMarkableStream: com::sun::star::uno::XInterface
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XObjectInputStream.idl b/udkapi/com/sun/star/io/XObjectInputStream.idl
index de4894602bfd..c3f871874b2a 100644
--- a/udkapi/com/sun/star/io/XObjectInputStream.idl
+++ b/udkapi/com/sun/star/io/XObjectInputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XObjectInputStream_idl__
+#define __com_sun_star_io_XObjectInputStream_idl__
 
 #include <com/sun/star/io/XDataInputStream.idl>
 
@@ -47,5 +48,6 @@ published interface XObjectInputStream: com::sun::star::io::XDataInputStream
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XObjectOutputStream.idl b/udkapi/com/sun/star/io/XObjectOutputStream.idl
index 1111252c699f..6529f7d3988f 100644
--- a/udkapi/com/sun/star/io/XObjectOutputStream.idl
+++ b/udkapi/com/sun/star/io/XObjectOutputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XObjectOutputStream_idl__
+#define __com_sun_star_io_XObjectOutputStream_idl__
 
 #include <com/sun/star/io/IOException.idl>
 
@@ -49,5 +50,6 @@ published interface XObjectOutputStream: XDataOutputStream
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XOutputStream.idl b/udkapi/com/sun/star/io/XOutputStream.idl
index df7724dd9b25..a8b9defc4661 100644
--- a/udkapi/com/sun/star/io/XOutputStream.idl
+++ b/udkapi/com/sun/star/io/XOutputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XOutputStream_idl__
+#define __com_sun_star_io_XOutputStream_idl__
 
 #include <com/sun/star/uno/XInterface.idl>
 
@@ -70,5 +71,6 @@ published interface XOutputStream: com::sun::star::uno::XInterface
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XPersist.idl b/udkapi/com/sun/star/io/XPersist.idl
index 471bd5e9badb..ec0b467f2114 100644
--- a/udkapi/com/sun/star/io/XPersist.idl
+++ b/udkapi/com/sun/star/io/XPersist.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XPersist_idl__
+#define __com_sun_star_io_XPersist_idl__
 
 #include <com/sun/star/uno/XInterface.idl>
 
@@ -45,5 +46,6 @@ published interface XPersist: com::sun::star::uno::XInterface
 
 /*=============================================================================
 =============================================================================*/
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XPersistObject.idl b/udkapi/com/sun/star/io/XPersistObject.idl
index dca4be7f1cd4..fbfa1da88aea 100644
--- a/udkapi/com/sun/star/io/XPersistObject.idl
+++ b/udkapi/com/sun/star/io/XPersistObject.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XPersistObject_idl__
+#define __com_sun_star_io_XPersistObject_idl__
 
 #include <com/sun/star/uno/XInterface.idl>
 
@@ -91,5 +92,6 @@ published interface XPersistObject: com::sun::star::uno::XInterface
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XPipe.idl b/udkapi/com/sun/star/io/XPipe.idl
index 6119e9e19526..c31073d7400b 100644
--- a/udkapi/com/sun/star/io/XPipe.idl
+++ b/udkapi/com/sun/star/io/XPipe.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XPipe_idl__
+#define __com_sun_star_io_XPipe_idl__
 
 #include <com/sun/star/io/XOutputStream.idl>
 
@@ -49,5 +50,6 @@ published interface XPipe
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XSeekable.idl b/udkapi/com/sun/star/io/XSeekable.idl
index 11ae2771de2a..8b8bc21123bd 100644
--- a/udkapi/com/sun/star/io/XSeekable.idl
+++ b/udkapi/com/sun/star/io/XSeekable.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XSeekable_idl__
+#define __com_sun_star_io_XSeekable_idl__
 
 #include <com/sun/star/uno/XInterface.idl>
 
@@ -64,5 +65,6 @@ published interface XSeekable: com::sun::star::uno::XInterface
 
 
 }; }; }; };
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XSeekableInputStream.idl b/udkapi/com/sun/star/io/XSeekableInputStream.idl
index 58f275c3f020..29a2558fbc43 100644
--- a/udkapi/com/sun/star/io/XSeekableInputStream.idl
+++ b/udkapi/com/sun/star/io/XSeekableInputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XSeekableInputStream_idl__
+#define __com_sun_star_io_XSeekableInputStream_idl__
 
 #include <com/sun/star/io/XInputStream.idl>
 
@@ -36,5 +37,6 @@ published interface XSeekableInputStream
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XSequenceOutputStream.idl b/udkapi/com/sun/star/io/XSequenceOutputStream.idl
index cb488ceb2b89..fcdd237d83b2 100644
--- a/udkapi/com/sun/star/io/XSequenceOutputStream.idl
+++ b/udkapi/com/sun/star/io/XSequenceOutputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XSequenceOutputStream_idl__
+#define __com_sun_star_io_XSequenceOutputStream_idl__
 
 #include <com/sun/star/io/XOutputStream.idl>
 #include <com/sun/star/io/NotConnectedException.idl>
@@ -42,5 +43,6 @@ interface XSequenceOutputStream
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XStream.idl b/udkapi/com/sun/star/io/XStream.idl
index 64a92eb78121..8fcf5fc28e60 100644
--- a/udkapi/com/sun/star/io/XStream.idl
+++ b/udkapi/com/sun/star/io/XStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XStream_idl__
+#define __com_sun_star_io_XStream_idl__
 
 #include <com/sun/star/uno/XInterface.idl>
 #include <com/sun/star/io/XInputStream.idl>
@@ -47,5 +48,6 @@ published interface XStream: com::sun::star::uno::XInterface
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XStreamListener.idl b/udkapi/com/sun/star/io/XStreamListener.idl
index 85883866c238..3f9604d16354 100644
--- a/udkapi/com/sun/star/io/XStreamListener.idl
+++ b/udkapi/com/sun/star/io/XStreamListener.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XStreamListener_idl__
+#define __com_sun_star_io_XStreamListener_idl__
 
 #include <com/sun/star/lang/XEventListener.idl>
 
@@ -56,5 +57,6 @@ published interface XStreamListener: com::sun::star::lang::XEventListener
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XTempFile.idl b/udkapi/com/sun/star/io/XTempFile.idl
index baea12a5895e..5d5fdaf71b57 100644
--- a/udkapi/com/sun/star/io/XTempFile.idl
+++ b/udkapi/com/sun/star/io/XTempFile.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XTempFile_idl__
+#define __com_sun_star_io_XTempFile_idl__
 
 #include <com/sun/star/uno/XInterface.idl>
 #include <com/sun/star/io/XStream.idl>
@@ -59,5 +60,6 @@ interface XTempFile
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XTextInputStream.idl b/udkapi/com/sun/star/io/XTextInputStream.idl
index 7d4f2e2221b5..e0a821496a06 100644
--- a/udkapi/com/sun/star/io/XTextInputStream.idl
+++ b/udkapi/com/sun/star/io/XTextInputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XTextInputStream_idl__
+#define __com_sun_star_io_XTextInputStream_idl__
 
 #include <com/sun/star/io/XInputStream.idl>
 
@@ -98,5 +99,6 @@ published interface XTextInputStream: com::sun::star::io::XInputStream
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XTextInputStream2.idl b/udkapi/com/sun/star/io/XTextInputStream2.idl
index f0ae79e37906..7b4ab6eb428b 100644
--- a/udkapi/com/sun/star/io/XTextInputStream2.idl
+++ b/udkapi/com/sun/star/io/XTextInputStream2.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XTextInputStream2_idl__
+#define __com_sun_star_io_XTextInputStream2_idl__
 
 #include <com/sun/star/io/XTextInputStream.idl>
 #include <com/sun/star/io/XActiveDataSink.idl>
@@ -42,5 +43,6 @@ published interface XTextInputStream2
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XTextOutputStream.idl b/udkapi/com/sun/star/io/XTextOutputStream.idl
index ce1cfac1fa82..40cfe25e8d84 100644
--- a/udkapi/com/sun/star/io/XTextOutputStream.idl
+++ b/udkapi/com/sun/star/io/XTextOutputStream.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XTextOutputStream_idl__
+#define __com_sun_star_io_XTextOutputStream_idl__
 
 #include <com/sun/star/io/XOutputStream.idl>
 
@@ -65,5 +66,6 @@ published interface XTextOutputStream: com::sun::star::io::XOutputStream
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XTextOutputStream2.idl b/udkapi/com/sun/star/io/XTextOutputStream2.idl
index 24606a5e814d..e8abf92aafeb 100644
--- a/udkapi/com/sun/star/io/XTextOutputStream2.idl
+++ b/udkapi/com/sun/star/io/XTextOutputStream2.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XTextOutputStream2_idl__
+#define __com_sun_star_io_XTextOutputStream2_idl__
 
 #include <com/sun/star/io/XTextOutputStream.idl>
 #include <com/sun/star/io/XActiveDataSource.idl>
@@ -42,5 +43,6 @@ published interface XTextOutputStream2
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XTruncate.idl b/udkapi/com/sun/star/io/XTruncate.idl
index 22156ca3475f..b1236777f5db 100644
--- a/udkapi/com/sun/star/io/XTruncate.idl
+++ b/udkapi/com/sun/star/io/XTruncate.idl
@@ -16,7 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#pragma once
+#ifndef __com_sun_star_io_XTruncate_idl__
+#define __com_sun_star_io_XTruncate_idl__
 
 #include <com/sun/star/uno/XInterface.idl>
 #include <com/sun/star/io/IOException.idl>
@@ -43,5 +44,6 @@ published interface XTruncate: com::sun::star::uno::XInterface
 
 }; }; }; };
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/udkapi/com/sun/star/io/XXMLExtractor.idl b/udkapi/com/sun/star/io/XXMLExtractor.idl
index 831d1fb0fb97..111ebf470d1f 100644
--- a/udkapi/com/sun/star/io/XXMLExtractor.idl
+++ b/udkapi/com/sun/star/io/XXMLExtractor.idl
@@ -17,7 +17,8 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#pragma once
+#ifndef __com_sun_star_io_XXMLExtractor_idl__
+#define __com_sun_star_io_XXMLExtractor_idl__
 
 #include <com/sun/star/uno/XInterface.idl>
 #include <com/sun/star/io/XInputStream.idl>
@@ -43,5 +44,6 @@ published interface XXMLExtractor : com::sun::star::uno::XInterface
 }; }; }; };
 
 
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */