[MacPorts] #43762: Update arb to 6.0-rc2

[MacPorts]

#43762: Update arb to 6.0-rc2
------------------------------+---------------------------------
  Reporter:  matt.cottrell@…  |      Owner:  macports-tickets@…
      Type:  update           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.2.1
Resolution:                   |   Keywords:  haspatch maintainer
      Port:  arb              |
------------------------------+---------------------------------

Comment (by matt.cottrell@…):

 The arb Portfile deals with the compiler like this:


 {{{
 compiler.blacklist *llvm-gcc-4.2

 build.args              GCC=${configure.cc} \
                         GPP=${configure.cxx}
 }}}

 What am I doing wrong?

-- 
Ticket URL: <https://trac.macports.org/ticket/43762#comment:7>
MacPorts <http://www.macports.org/>
Ports system for OS X