now it's properly, I wasn't careful

Author: AnastaZIuk

src/nbl/CMakeLists.txt

@@ -180,19 +180,20 @@ file(GLOB_RECURSE TEMP_GLOB_RES  "${NBL_ROOT_PATH}/src/*.h")
 set(NABLA_HEADERS_PUBLIC2 ${NABLA_HEADERS_PUBLIC2} ${TEMP_GLOB_RES}) # TODO: we should have moved all headers from src directory to /include, but we need it for install target
 
 foreach(NBL_CURRENT_HEADER IN LISTS NABLA_HEADERS_PUBLIC2)
-	install(FILES ${NBL_CURRENT_HEADER} DESTINATION include CONFIGURATIONS Release)
-	install(FILES ${NBL_CURRENT_HEADER} DESTINATION debug/include CONFIGURATIONS Debug)
-	install(FILES ${NBL_CURRENT_HEADER} DESTINATION relwithdebinfo/include CONFIGURATIONS RelWithDebInfo)
+	cmake_path(GET NBL_CURRENT_HEADER PARENT_PATH NBL_CURRENT_HEADER_DIR)
+	file(RELATIVE_PATH NBL_TMP_REL_DESTINATION "${NBL_ROOT_PATH}/src" ${NBL_CURRENT_HEADER_DIR})
 
-	message(STATUS ${NBL_CURRENT_HEADER})
+	install(FILES ${NBL_CURRENT_HEADER} DESTINATION include/${NBL_TMP_REL_DESTINATION} CONFIGURATIONS Release)
+	install(FILES ${NBL_CURRENT_HEADER} DESTINATION debug/include/${NBL_TMP_REL_DESTINATION} CONFIGURATIONS Debug)
+	install(FILES ${NBL_CURRENT_HEADER} DESTINATION relwithdebinfo/include/${NBL_TMP_REL_DESTINATION} CONFIGURATIONS RelWithDebInfo)
 endforeach()
 
 unset(NABLA_HEADERS_PUBLIC2 ${NBL_TMP_FULL_PATHS})
 
 file(GLOB_RECURSE NABLA_HEADERS_PRIV1 "*.h")
 file(GLOB_RECURSE NABLA_HEADERS_PRIV2 "${NBL_ROOT_PATH}/src/nbl/*.h")
 # just gather all the header files and later put them into project so it's easy to search for things using IDE
-set(NABLA_HEADERS "${CMAKE_CURRENT_BINARY_DIR}/include/nabla.h" ${NABLA_HEADERS_PUBLIC} ${NABLA_HEADERS_PIRV1} ${NABLA_HEADERS_PRIV2}) # see, we don't want NABLA_HEADERS_PUBLIC2 here
+set(NABLA_HEADERS "${CMAKE_CURRENT_BINARY_DIR}/include/nabla.h" ${NABLA_HEADERS_PUBLIC} ${NABLA_HEADERS_PIRV1} ${NABLA_HEADERS_PRIV2})
 
 set(NBL_CORE_SOURCES
 	${NBL_ROOT_PATH}/src/nbl/core/IReferenceCounted.cpp