Update CMakeLists.txt

CMakeLists.txt

@@ -182,15 +182,15 @@ message("CMAKE_CURRENT_SOURCE_DIR: " ${CMAKE_CURRENT_SOURCE_DIR}) # this points
 # adding the top folder storing the headers
 include_directories( ${CMAKE_CURRENT_SOURCE_DIR}/src )
 
-# adding include directories
-target_include_directories( SoQt PUBLIC ${COIN3D_INCLUDE_DIRS} )
-
 # Component(s) in the package:
 add_library( SoQt SHARED ${SOQT_SOURCES} )
 
 target_compile_definitions( SoQt PRIVATE SOQT_INTERNAL SOQT_DEBUG=1 ) # adding "-DSOQT_INTERNAL -DSOQT_DEBUG=1" compilation definitions to the compilation command of the SoQt library
 target_link_libraries( SoQt ${COIN3D_LIBRARIES} Qt5::Core Qt5::OpenGL Qt5::Gui GL )
 
+# adding include directories
+target_include_directories( SoQt PUBLIC ${COIN3D_INCLUDE_DIRS} )
+
 # default installation path is under /usr/local, 
 # but you can modify it at setup time with, e.g.: 'cmake -DCMAKE_INSTALL_PREFIX=$PWD/local ../SoQt'
 message( "Files will be installed under the path: " ${CMAKE_INSTALL_PREFIX} )