[MacPorts] #59299: gcc9: gfortran crashing due to broken libisl linking (was: Failed to configure fftw-3)

[MacPorts]

#59299: gcc9: gfortran crashing due to broken libisl linking
---------------------------+--------------------
  Reporter:  mengqiz       |      Owner:  (none)
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.6.1
Resolution:                |   Keywords:
      Port:  gcc9, fftw-3  |
---------------------------+--------------------
Changes (by jmroot):

 * cc: MarcusCalhoun-Lopez (added)
 * port:  py27-pymvpa => gcc9, fftw-3


Comment:

 {{{
 configure:17659: /opt/local/bin/gfortran-mp-9 -c -pipe -O3 -m64 conftest.F
 >&5
 dyld: Library not loaded: /opt/local/lib/libisl.19.dylib
   Referenced from: /opt/local/libexec/gcc/x86_64-apple-darwin19/9.2.0/f951
   Reason: image not found
 gfortran-mp-9: internal compiler error: Abort trap: 6 signal terminated
 program f951
 }}}
 Not sure if that's the current libisl version or not—Marcus?

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Ticket URL: <https://trac.macports.org/ticket/59299#comment:1>
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