Issues with configuring GMP

[Soroush, Masoud]

Dear GMP Team,

  I have tried very hard to configure gmp-6.2.0 on my macOS Catalina
  (10.15.6). I simply use the command './configure'. However, I get the following error message:

  "configure: error: could not find a working compiler, see config.log for details"

  and I have no idea how to proceed. I have attached the config.log file
  to this email. I would be very grateful if you could assist me with
  this issue. Thank you!

Best,
Masoud Soroush
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