Another attempt

indra/newview/CMakeLists.txt

@@ -1561,7 +1561,8 @@ file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/viewer_version.txt"
 configure_file(llviewerbuildconfig.h.in llviewerbuildconfig.h @ONLY)
 
 if (LINUX)
-  configure_file(./linux_tools/refresh_desktop_app_entry.sh ./newview/packaged/etc/refresh_desktop_app_entry.sh @ONLY)
+  #Use cmake to generate a new copy of this file when filling channel info, append suffix so viewer_manifest.py will pick the new copy
+  configure_file(./linux_tools/refresh_desktop_app_entry.sh ${CMAKE_CURRENT_SOURCE_DIR}/newview/packaged/etc/refresh_desktop_app_entry-cmake.sh @ONLY)
 endif(LINUX)
 
 LIST(APPEND viewer_HEADER_FILES ${CMAKE_CURRENT_BINARY_DIR}/llviewerbuildconfig.h)