[MacPorts] #46917: Atlas does not produce threaded libraries on Yosemite

[MacPorts]

#46917: Atlas does not produce threaded libraries on Yosemite
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 Reporter:  urilabob@…              |      Owner:  macports-tickets@…
     Type:  defect                  |     Status:  new
 Priority:  Normal                  |  Milestone:
Component:  ports                   |    Version:  2.3.3
 Keywords:  atlas threaded library  |       Port:  atlas
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 This reads almost like a direct resurrection of ticket 35683 and ticket
 35594. In a new install of MacPorts, attempting to install octave
 eventually leads to an attempt to install qrupdate, which fails with
 :info:build             -L/opt/local/lib -ltatlas -L/opt/local/lib
 -llapack
 :info:build ld: library not found for -ltatlas
 :info:build collect2: error: ld returned 1 exit status
 :info:build make[1]: *** [../libqrupdate.dylib] Error 1
 (I originally encountered the same problem using the restore_ports script,
 so decided to do a clean install)

 Following the reasoning of ticket 35594, I have run port -v configure
 atlas, which produced the attached output.

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Ticket URL: <https://trac.macports.org/ticket/46917>
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