[MacPorts] #42399: PETSc Build error on OSX 10.7.5

[MacPorts]

#42399: PETSc Build error on OSX 10.7.5
----------------------------------+--------------------------------
 Reporter:  s.schmidt@…           |      Owner:  macports-tickets@…
     Type:  defect                |     Status:  new
 Priority:  Normal                |  Milestone:
Component:  ports                 |    Version:  2.2.1
 Keywords:  Apple clang segfault  |       Port:  PETSc
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 Tried to install PETSc as part of installing FEniCS/Dolfin using macports.
 Starting from a "clean" machine, /opt/ is empty, port is freshly
 installed, all tips and tricks with self updating and cleaning have been
 tried.

 Seems that the Apple compiler runs into a segmentation fault during
 compilation:

 :info:build clang: error: unable to execute command: Segmentation fault:
 11
 :info:build clang: error: clang frontend command failed due to signal (use
 -v to see invocation)
 :info:build Apple LLVM version 4.2 (clang-425.0.28) (based on LLVM 3.2svn)

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Ticket URL: <https://trac.macports.org/ticket/42399>
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