[MacPorts] #38732: gcc48 is broken by configure-timespec.patch

[MacPorts]

#38732: gcc48 is broken by configure-timespec.patch
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  Reporter:  howarth@…  |      Owner:  mww@…
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.1.3
Resolution:             |   Keywords:
      Port:  gcc48      |
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Comment (by howarth@…):

 I have verified using my fink gcc47 packaging that the attached backport
 of r192335 to gcc 4.7.4svn also allows[[BR]]
 that release to have functional nanosleep support in c++11. I can not test
 this on MacPorts gcc47 because of[[BR]]
 breakage due to the ill-conceived  pruning of the libgcc_ext linkages.
 This obviously has been fixed for the gcc48 package[[BR]]
 in MacPorts and those changes need to be backported (especially since you
 just made gcc47 the default FSF gcc).[[BR]]
 [[BR]]
 Note that patch is already in gcc 4.8.0 so nothing needs to be patched nor
 does --enable-libstdcxx-time need to be[[BR]]
 passed to configure for the nanosleep support to be built in the c++11
 threading code of libstdc++.

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Ticket URL: <https://trac.macports.org/ticket/38732#comment:4>
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