[MacPorts] #39476: arpack's openmpi variant conflicts with gcc45

[MacPorts]

#39476: arpack's openmpi variant conflicts with gcc45
---------------------+---------------------
  Reporter:  mk@…    |      Owner:  mmoll@…
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.1.3
Resolution:          |   Keywords:
      Port:  arpack  |
---------------------+---------------------

Comment (by mk@…):

 dstrubbe, with above portfile patch but also excluding the line you
 suggested I get something unseen so far:
 {{{

 :info:build libtool: link: /opt/local/bin/openmpif77 -dynamiclib  -o
 .libs/libarpack.2.dylib   -Wl,-force_load,./SRC/.libs/libarpacksrc.a
 -Wl,-force_load,./UTIL/.libs/libarpackutil.a   -O2 -m64   -install_name
 /opt/local/lib/libarpack.2.dylib -compatibility_version 3 -current_version
 3.0 -Wl,-single_module
 :info:build Undefined symbols for architecture x86_64:
 :info:build   "_sgemv_", referenced from:
 :info:build       _sgetv0_ in libarpacksrc.a(sgetv0.o)
 :info:build       _snaitr_ in libarpacksrc.a(snaitr.o)
 :info:build       _snapps_ in libarpacksrc.a(snapps.o)
 :info:build       _sneigh_ in libarpacksrc.a(sneigh.o)
 :info:build       _ssaitr_ in libarpacksrc.a(ssaitr.o)
 :info:build       _ssapps_ in libarpacksrc.a(ssapps.o)
 :info:build       _sneupd_ in libarpacksrc.a(sneupd.o)
 :info:build       ...
 :info:build   "_snrm2_", referenced from:
 :info:build       _sgetv0_ in libarpacksrc.a(sgetv0.o)
 .
 .
 .
 }}}

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Ticket URL: <https://trac.macports.org/ticket/39476#comment:64>
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