[MacPorts] #50592: error with caffe variants

[MacPorts]

#50592: error with caffe variants
-------------------------------+--------------------------------
 Reporter:  emmanuel.moebel@…  |      Owner:  macports-tickets@…
     Type:  defect             |     Status:  new
 Priority:  Normal             |  Milestone:
Component:  ports              |    Version:  2.3.4
 Keywords:                     |       Port:  caffe
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 When using the default variants (cpu, openblas, python27), the caffe port
 installs without problem.
 But when I try to install other variants I get an error.
 Used command : "sudo port install caffe -cpu +gpu"
 The error :
 {{{
 Error: org.macports.build for port caffe returned: command execution
 failed
 Please see the log file for port caffe for details:
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_math_caffe/caffe/main.log
 To report a bug, follow the instructions in the guide:
     http://guide.macports.org/#project.tickets
 Error: Processing of port caffe failed
 }}}
 (main.log is attached)

 I know that the gpu variant needs /usr/local/cuda. I confirm that cuda is
 installed at the expected place (I installed it from the nvidia website,
 installed version is 7.5.20)

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Ticket URL: <https://trac.macports.org/ticket/50592>
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