diff -rupN --no-dereference OpenSceneGraph-OpenSceneGraph-3.6.5/CMakeLists.txt OpenSceneGraph-OpenSceneGraph-3.6.5-new/CMakeLists.txt

--- OpenSceneGraph-OpenSceneGraph-3.6.5/CMakeLists.txt	2020-01-31 12:03:07.000000000 +0100

+++ OpenSceneGraph-OpenSceneGraph-3.6.5-new/CMakeLists.txt	2021-11-13 21:34:02.371772942 +0100

@@ -1208,7 +1208,7 @@ IF(BUILD_DOCUMENTATION)

         ${PROJECT_BINARY_DIR}/doc/OpenSceneGraphReferenceDocs/osg32-32.png COPYONLY

     )

     #INSTALL(FILES ${PROJECT_BINARY_DIR}/doc/${PROJECT_NAME}ReferenceDocs-${OPENSCENEGRAPH_VERSION}.chm DESTINATION doc OPTIONAL COMPONENT openscenegraph-doc)

-    INSTALL(DIRECTORY ${PROJECT_BINARY_DIR}/doc/OpenSceneGraphReferenceDocs DESTINATION doc COMPONENT openscenegraph-doc)

+    #INSTALL(DIRECTORY ${PROJECT_BINARY_DIR}/doc/OpenSceneGraphReferenceDocs DESTINATION doc COMPONENT openscenegraph-doc)

     # now set up openthreads documentation generation

     IF(BUILD_REF_DOCS_TAGFILE)

@@ -1224,7 +1224,7 @@ IF(BUILD_DOCUMENTATION)

         ${PROJECT_BINARY_DIR}/doc/OpenThreadsReferenceDocs/osg32-32.png COPYONLY

     )

     #INSTALL(FILES ${PROJECT_BINARY_DIR}/doc/${PROJECT_NAME}ReferenceDocs-${OPENSCENEGRAPH_VERSION}.chm DESTINATION doc OPTIONAL COMPONENT openscenegraph-doc)

-    INSTALL(DIRECTORY ${PROJECT_BINARY_DIR}/doc/OpenThreadsReferenceDocs DESTINATION doc COMPONENT openthreads-doc)

+    #INSTALL(DIRECTORY ${PROJECT_BINARY_DIR}/doc/OpenThreadsReferenceDocs DESTINATION doc COMPONENT openthreads-doc)

     # Process our other doxyfiles but don't create targets for these

     CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/doc/Doxyfiles/all_Doxyfile

diff -rupN --no-dereference OpenSceneGraph-OpenSceneGraph-3.6.5/CMakeModules/FindFLTK.cmake OpenSceneGraph-OpenSceneGraph-3.6.5-new/CMakeModules/FindFLTK.cmake

--- OpenSceneGraph-OpenSceneGraph-3.6.5/CMakeModules/FindFLTK.cmake	2020-01-31 12:03:07.000000000 +0100

+++ OpenSceneGraph-OpenSceneGraph-3.6.5-new/CMakeModules/FindFLTK.cmake	2021-11-13 21:34:02.372772943 +0100

@@ -18,7 +18,7 @@ if(EXISTS ${CMAKE_ROOT}/Modules/FindFLTK

   endif()

 endif()

-FIND_PATH(FLTK_INCLUDE_DIR Fl/Fl.H Fl/Fl.h

+FIND_PATH(FLTK_INCLUDE_DIR FL/Fl.H FL/Fl.h

     $ENV{FLTK_DIR}/include

     $ENV{FLTK_DIR}

     ~/Library/Frameworks

diff -rupN --no-dereference OpenSceneGraph-OpenSceneGraph-3.6.5/CMakeModules/OsgMacroUtils.cmake OpenSceneGraph-OpenSceneGraph-3.6.5-new/CMakeModules/OsgMacroUtils.cmake

--- OpenSceneGraph-OpenSceneGraph-3.6.5/CMakeModules/OsgMacroUtils.cmake	2020-01-31 12:03:07.000000000 +0100

+++ OpenSceneGraph-OpenSceneGraph-3.6.5-new/CMakeModules/OsgMacroUtils.cmake	2021-11-13 21:34:02.372772943 +0100

@@ -489,7 +489,7 @@ MACRO(SETUP_EXAMPLE EXAMPLE_NAME)

         IF(APPLE)

             INSTALL(TARGETS ${TARGET_TARGETNAME} RUNTIME DESTINATION share/OpenSceneGraph/bin BUNDLE DESTINATION share/OpenSceneGraph/bin )

         ELSE(APPLE)

-            INSTALL(TARGETS ${TARGET_TARGETNAME} RUNTIME DESTINATION share/OpenSceneGraph/bin COMPONENT openscenegraph-examples )

+            INSTALL(TARGETS ${TARGET_TARGETNAME} RUNTIME DESTINATION bin COMPONENT openscenegraph-examples )

             IF(MSVC)

                 INSTALL(FILES ${CMAKE_BINARY_DIR}/bin/${TARGET_NAME}${CMAKE_RELWITHDEBINFO_POSTFIX}.pdb DESTINATION share/OpenSceneGraph/bin COMPONENT openscenegraph-examples CONFIGURATIONS RelWithDebInfo)

                 INSTALL(FILES ${CMAKE_BINARY_DIR}/bin/${TARGET_NAME}${CMAKE_DEBUG_POSTFIX}.pdb DESTINATION share/OpenSceneGraph/bin COMPONENT openscenegraph-examples CONFIGURATIONS Debug)

diff -rupN --no-dereference OpenSceneGraph-OpenSceneGraph-3.6.5/examples/osgviewerSDL/CMakeLists.txt OpenSceneGraph-OpenSceneGraph-3.6.5-new/examples/osgviewerSDL/CMakeLists.txt

--- OpenSceneGraph-OpenSceneGraph-3.6.5/examples/osgviewerSDL/CMakeLists.txt	2020-01-31 12:03:07.000000000 +0100

+++ OpenSceneGraph-OpenSceneGraph-3.6.5-new/examples/osgviewerSDL/CMakeLists.txt	2021-11-13 21:34:02.372772943 +0100

@@ -13,7 +13,7 @@ ELSE()

                # Depending on platform (or SDL version),

                # this may or may not link successfully.

                SET(TARGET_SRC osgviewerSDL.cpp)

-               SET(TARGET_EXTERNAL_LIBRARIES ${SDLMAIN_LIBRARY} ${TARGET_EXTERNAL_LIBRARIES} )

+               SET(TARGET_EXTERNAL_LIBRARIES ${SDL_LIBRARY} ${TARGET_EXTERNAL_LIBRARIES} )

        ENDIF()

 ENDIF()