actual codesigning is currently handled on a separate machine

CMakeLists.txt

@@ -1803,7 +1803,7 @@ if(APPLE AND ENABLE_OS_SPECIFIC_INSTALL)
   file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/Info.plist "${F1}")
   set(CPACK_BUNDLE_PLIST ${CMAKE_CURRENT_BINARY_DIR}/Info.plist)
   set(CPACK_BUNDLE_ICON ${CMAKE_CURRENT_SOURCE_DIR}/Fltk/MacIcons.icns)
-  if(PACKAGER STREQUAL "geuzaine")
+  if(PACKAGER STREQUAL "geuzaine - removed: we sign on a separate machine")
     # codesigning requires CMake >= 3.2
     set(CPACK_BUNDLE_APPLE_CERT_APP "Developer ID Application: Christophe Geuzaine")
   endif(PACKAGER STREQUAL "geuzaine")