yamt commented on PR #13536:
URL: https://github.com/apache/nuttx/pull/13536#issuecomment-2416375968

   > > > why?
   > > 
   > > 
   > > because it breaks printf.
   > 
   > LIBC_PRINT_EXTENSION, ALLSYMS and DEBUG_UORB aren't enable by default, how 
do they break printf?
   
   if you never enable it, nothing breaks.
   however, these options are meant to be enabled in some cases, right?
   as i said earlier in this pr, it's unrealistic to audit all printf family 
usage when enabling the options.
   
   > > > if you revert, please ensure ALLSYMS or DEBUG_UORB still work as 
before.
   > > 
   > > 
   > > why? they are misfeatures which should be removed too.
   > 
   > So, you want removing ALLSYMS functionality from the code base? @anchao 
please take a look.
   
   at least they should be implemented in a way which doesn't break printf.
   


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