[MacPorts] #59293: Port Upgrade Outdated failing

[MacPorts]

#59293: Port Upgrade Outdated failing
--------------------------+--------------------
 Reporter:  PaxVobiscuit  |      Owner:  (none)
     Type:  defect        |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:
 Keywords:                |       Port:
--------------------------+--------------------
 After upgrading to Catalina, the running Port Sync, then sudo port
 upgrade, everything seemed to run fine.   Once I try to run sudo port
 upgrade outdated I get the following:


 {{{
 Warning: All compilers are either blacklisted or unavailable; defaulting
 to first fallback option
 Warning: All compilers are either blacklisted or unavailable; defaulting
 to first fallback option
 Warning: All compilers are either blacklisted or unavailable; defaulting
 to first fallback option
 Warning: All compilers are either blacklisted or unavailable; defaulting
 to first fallback option
 Warning: All compilers are either blacklisted or unavailable; defaulting
 to first fallback option
 Warning: All compilers are either blacklisted or unavailable; defaulting
 to first fallback option
 Warning: All compilers are either blacklisted or unavailable; defaulting
 to first fallback option
 Warning: All compilers are either blacklisted or unavailable; defaulting
 to first fallback option
 Warning: All compilers are either blacklisted or unavailable; defaulting
 to first fallback option
 Warning: All compilers are either blacklisted or unavailable; defaulting
 to first fallback option
 Warning: All compilers are either blacklisted or unavailable; defaulting
 to first fallback option
 Warning: All compilers are either blacklisted or unavailable; defaulting
 to first fallback option
 Warning: All compilers are either blacklisted or unavailable; defaulting
 to first fallback option
 Warning: No port libomp found in the index.
 Warning: No port llvm-9.0 found in the index.
 Warning: No port python27 found in the index.
 Warning: No port libedit found in the index.
 Warning: No port libffi found in the index.
 Warning: No port ncurses found in the index.
 Warning: No port zlib found in the index.
 Warning: No port libcxx found in the index.
 Warning: No port clang_select found in the index.
 Warning: No port ld64 found in the index.
 Error: Problem while installing clang-9.0
 Error: Follow https://guide.macports.org/#project.tickets to report a bug.
 }}}

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Ticket URL: <https://trac.macports.org/ticket/59293>
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