[GitHub] [incubator-nuttx] xiaoxiang781216 edited a comment on pull request #1344: boards: Remove the unused ARCHCCVERSION and ARCHCCMAJOR

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xiaoxiang781216 edited a comment on pull request #1344:
URL: https://github.com/apache/incubator-nuttx/pull/1344#issuecomment-652362444


   > > nsh> cat /proc/version
   > > NuttX version 9.0.0 ac6183365a-dirty Jul  1 2020 18:33:52
   > > nsh> uname -a
   > > NuttX  9.0.0 ac6183365a-dirty Jul  1 2020 18:33:34 sim sim
   > 
   > Yes. But what compiler built it?
   > 
   > Think about 3 years from now. There is a hard fault on a product. You need to debug it. But you have upgraded your compiler 3 times. How would you generate an elf to debug it to do postmortem debugging? If you list the compiler in the build you can.
   
   If you want these features, the same info already provide by the predefined macros:
   https://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html#Common-Predefined-Macros
   ```
   __GNUC__
   __GNUC_MINOR__
   __GNUC_PATCHLEVEL__
   __VERSION__
   ```
   It's simple task to directly reference them here:
   https://github.com/apache/incubator-nuttx/blob/master/libs/libc/misc/lib_utsname.c#L113


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