message: Set the variable LINUX before testing it in the top-level CMakeLists.txt
diff: @@ -115,6 +115,10 @@ target_link_libraries(${APP_NAME} Qt5::Core Qt5::Widgets)
  # Link Ripes library
  target_link_libraries(${APP_NAME} ${RIPES_LIB})
  +if(UNIX AND NOT APPLE) #Define the LINUX variable before testing it
  + set(LINUX TRUE)
  +endif()
  +
  if(${LINUX})
  install(TARGETS ${APP_NAME}
  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
  