[MacPorts] #59727: gcc9: fails to link properly (-lSystem no found)

[MacPorts]

#59727: gcc9: fails to link properly (-lSystem no found)
------------------------+--------------------
  Reporter:  akimd      |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.6.2
Resolution:             |   Keywords:
      Port:  gcc8 gcc9  |
------------------------+--------------------

Comment (by akimd):

 Hi Ken,

 Replying to [comment:7 kencu]:
 > What I would do is build them locally from source, like this:
 > {{{
 > sudo port uninstall gcc8 gcc9
 > sudo port -v -s install gcc9
 > }}}

 That worked, GCC9 is functional.

 > and do you really need three different gccs?

 I maintain Bison, and I need to make sure with as many compilers as I can
 that the generated code works properly and triggers no warnings.

 Cheers!

-- 
Ticket URL: <https://trac.macports.org/ticket/59727#comment:8>
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