Rename .cpp examples to .cxx

The files are renamed, and the associated lines in Makefiles and
elsewhere are also changed.

Change-Id: Ieec38055690e03afd8982320ee0836904a3f41eb
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/156670
Tested-by: Jenkins
Reviewed-by: Hossein <hossein@libreoffice.org>

odk/Package_examples.mk

@@ -366,17 +366,17 @@ $(eval $(call gb_Package_add_files_with_dir,odk_examples,$(SDKDIRNAME)/examples,
     DevelopersGuide/UCB/data/data.txt \
     OLE/activex/Makefile \
     OLE/activex/README.txt \
-    OLE/activex/SOActiveX.cpp \
+    OLE/activex/SOActiveX.cxx \
     OLE/activex/SOActiveX.h \
     OLE/activex/SOActiveX.rgs \
-    OLE/activex/SOComWindowPeer.cpp \
+    OLE/activex/SOComWindowPeer.cxx \
     OLE/activex/SOComWindowPeer.h \
     OLE/activex/SOComWindowPeer.rgs \
-    OLE/activex/StdAfx2.cpp \
+    OLE/activex/StdAfx2.cxx \
     OLE/activex/StdAfx2.h \
     OLE/activex/example.html \
     OLE/activex/resource.h \
-    OLE/activex/so_activex.cpp \
+    OLE/activex/so_activex.cxx \
     OLE/activex/so_activex.def \
     OLE/activex/so_activex.idl \
     OLE/activex/so_activex.rc \

odk/examples/OLE/activex/Makefile

@@ -50,12 +50,12 @@ OUT_COMP_SLO=$(OUT_SLO)/$(COMPONENT_NAME)
 
 MIDLFILES = so_activex.idl
 
-CXXFILES = SOActiveX.cpp \
-	 SOComWindowPeer.cpp \
-	 so_activex.cpp \
-	 StdAfx2.cpp
+CXXFILES = SOActiveX.cxx \
+	 SOComWindowPeer.cxx \
+	 so_activex.cxx \
+	 StdAfx2.cxx
 
-SLOFILES = $(patsubst %.cpp,$(OUT_COMP_SLO)/%.$(OBJ_EXT),$(CXXFILES))
+SLOFILES = $(patsubst %.cxx,$(OUT_COMP_SLO)/%.$(OBJ_EXT),$(CXXFILES))
 
 # Targets
 .PHONY: ALL
@@ -76,7 +76,7 @@ $(OUT_COMP_GEN)/so_activex.res : so_activex.rc $(OUT_COMP_INC)/so_activex.h
 	-$(MKDIR) $(subst /,$(PS),$(@D))
 	rc $(CC_INCLUDES) /R /FO$@ so_activex.rc			       
 
-$(OUT_COMP_SLO)/%.$(OBJ_EXT) : %.cpp
+$(OUT_COMP_SLO)/%.$(OBJ_EXT) : %.cxx
 	-$(MKDIR) $(subst /,$(PS),$(@D))
 	$(CC) $(CC_FLAGS) $(CC_INCLUDES) -I$(OUT_COMP_INC) $(CC_DEFINES) $(CC_OUTPUT_SWITCH)$(subst /,$(PS),$@) $<
 

odk/examples/OLE/activex/SOActiveX.cxx

@@ -33,7 +33,7 @@
  *
  *************************************************************************/
 
-// SOActiveX.cpp : Implementation of CSOActiveX
+// SOActiveX.cxx : Implementation of CSOActiveX
 
 #include "stdafx2.h"
 #include "so_activex.h"

odk/examples/OLE/activex/StdAfx2.cxx

@@ -33,7 +33,7 @@
  *
  *************************************************************************/
 
-// stdafx1.cpp : source file that includes just the standard includes
+// stdafx1.cxx : source file that includes just the standard includes
 //  stdafx1.pch will be the pre-compiled header
 //  stdafx1.obj will contain the pre-compiled type information
 
@@ -41,9 +41,9 @@
 
 #ifdef _ATL_STATIC_REGISTRY
 #include <statreg.h>
-#include <statreg.cpp>
+#include <statreg.cxx>
 #endif
 
-#include <atlimpl.cpp>
+#include <atlimpl.cxx>
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

odk/examples/OLE/activex/so_activex.cxx

@@ -33,7 +33,7 @@
  *
  *************************************************************************/
 
-// so_activex.cpp : Implementation of DLL Exports.
+// so_activex.cxx : Implementation of DLL Exports.
 
 // Note: Proxy/Stub Information
 //      To build a separate proxy/stub DLL,

solenv/clang-format/excludelist

@@ -6871,7 +6871,7 @@ odk/examples/DevelopersGuide/OfficeDev/FilterDevelopment/FlatXmlFilterDetection/
 odk/examples/DevelopersGuide/OfficeDev/FilterDevelopment/FlatXmlFilter_cpp/FlatXml.cxx
 odk/examples/DevelopersGuide/ProfUNO/CppBinding/office_connect.cxx
 odk/examples/DevelopersGuide/ProfUNO/SimpleBootstrap_cpp/SimpleBootstrap_cpp.cxx
-odk/examples/OLE/activex/SOActiveX.cpp
+odk/examples/OLE/activex/SOActiveX.cxx
 odk/examples/OLE/activex/SOActiveX.h
 odk/examples/OLE/activex/SOComWindowPeer.h
 odk/examples/OLE/activex/resource.h