--- OpenSceneGraph-3.4.0/CMakeLists.txt
+++ OpenSceneGraph-3.4.0/CMakeLists.txt
@@ -76,6 +76,7 @@
     SET(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel." FORCE)
 ENDIF(NOT CMAKE_BUILD_TYPE)
 
+INCLUDE(MacroOptionalFindPackage)
 
 IF(ANDROID)
     INCLUDE(OsgAndroidMacroUtils)--- OpenSceneGraph-3.4.0/CMakeModules/COPYING-CMAKE-SCRIPTS
+++ OpenSceneGraph-3.4.0/CMakeModules/COPYING-CMAKE-SCRIPTS
@@ -0,0 +1,22 @@
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+1. Redistributions of source code must retain the copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. The name of the author may not be used to endorse or promote products
+   derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--- OpenSceneGraph-3.4.0/CMakeModules/MacroOptionalFindPackage.cmake
+++ OpenSceneGraph-3.4.0/CMakeModules/MacroOptionalFindPackage.cmake
@@ -0,0 +1,28 @@
+# - MACRO_OPTIONAL_FIND_PACKAGE() combines FIND_PACKAGE() with an OPTION()
+# MACRO_OPTIONAL_FIND_PACKAGE( <name> [QUIT] )
+# This macro is a combination of OPTION() and FIND_PACKAGE(), it
+# works like FIND_PACKAGE(), but additionally it automatically creates
+# an option name WITH_<name>, which can be disabled via the cmake GUI.
+# or via -DWITH_<name>=OFF
+# The standard <name>_FOUND variables can be used in the same way
+# as when using the normal FIND_PACKAGE()
+
+# Copyright (c) 2006, Alexander Neundorf, <neundorf@kde.org>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+
+macro (MACRO_OPTIONAL_FIND_PACKAGE _name )
+   option(WITH_${_name} "Search for ${_name} package" ON)
+   if (WITH_${_name})
+      find_package(${_name} ${ARGN})
+   else (WITH_${_name})
+      set(${_name}_FOUND)
+      set(${_name}_INCLUDE_DIR)
+      set(${_name}_INCLUDES)
+      set(${_name}_LIBRARY)
+      set(${_name}_LIBRARIES)
+   endif (WITH_${_name})
+endmacro (MACRO_OPTIONAL_FIND_PACKAGE)
+
--- OpenSceneGraph-3.5.5/CMakeModules/OsgMacroUtils.cmake
+++ OpenSceneGraph-3.5.5/CMakeModules/OsgMacroUtils.cmake
@@ -463,7 +463,7 @@ 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 ${CMAKE_CURRENT_BINARY_DIR}/${TARGET_TARGETNAME}${CMAKE_RELWITHDEBINFO_POSTFIX}.pdb DESTINATION share/OpenSceneGraph/bin COMPONENT openscenegraph-examples CONFIGURATIONS RelWithDebInfo)
                 INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/${TARGET_TARGETNAME}${CMAKE_DEBUG_POSTFIX}.pdb DESTINATION share/OpenSceneGraph/bin COMPONENT openscenegraph-examples CONFIGURATIONS Debug)

--- OpenSceneGraph-3.4.0/examples/osgviewerFLTK/CMakeLists.txt
+++ OpenSceneGraph-3.4.0/examples/osgviewerFLTK/CMakeLists.txt
@@ -1,6 +1,6 @@
 SET(TARGET_SRC osgviewerFLTK.cpp )
 
-SET(TARGET_EXTERNAL_LIBRARIES ${FLTK_LIBRARY} ${FLTK_GL_LIBRARY})
+SET(TARGET_EXTERNAL_LIBRARIES ${FLTK_BASE_LIBRARY} ${FLTK_GL_LIBRARY})
 
 INCLUDE_DIRECTORIES(${FLTK_INCLUDE_DIR} )