[MacPorts] #27247: openmpi +gcc45 won't build in Mac OS X 10.5.8

[MacPorts]

#27247: openmpi +gcc45 won't build in Mac OS X 10.5.8
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 Reporter:  ksnelgrove@…       |       Owner:  mww@…           
     Type:  defect             |      Status:  new             
 Priority:  Normal             |   Milestone:                  
Component:  ports              |     Version:  1.9.2           
 Keywords:                     |        Port:  openmpi         
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Comment(by jcharris@…):

 I have encountered a very similar error on a Mac Pro running OS X Server
 10.5.8 (Xcode 3.1.2).  In my case, I am just building openmpi with gcc44,
 but I believe the situation is similar.  I don't think any of the 4
 messages mentioned are critical to building openmpi.  In my case, the
 "resource temporarily unavailable" was:
 '/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_science_openmpi/work/build/orte/mca/ess/.libs/libmca_ess.a'
 which I can confirm exists.  In my case, attempting to install it three
 times in a row, it eventually proceeds (i.e., sometimes "sudo port install
 openmpi" works, sometimes it doesn't).

 I can tell that during the build process multiple cores are being used in
 parallel, suggesting to me that perhaps at some point two processes are
 trying to access the file at the same time, thus explaining the random
 nature of whether it works or not, but I can't confirm this, and a fix to
 this problem would be most welcome.  It is frustrating to uninstall
 something that was working, and reinstall, and suddenly have problems.

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Ticket URL: <https://trac.macports.org/ticket/27247#comment:2>
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