[MacPorts] #46479: libgcc @4.9.2_1: error: implicit declaration of function 'clock_gettime'

[MacPorts]

#46479: libgcc @4.9.2_1: error: implicit declaration of function 'clock_gettime'
------------------------------+-------------------
  Reporter:  Andrew_Rogers@…  |      Owner:  mww@…
      Type:  defect           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.3.3
Resolution:                   |   Keywords:
      Port:  libgcc           |
------------------------------+-------------------

Comment (by sean@…):

 Replying to [comment:5 ryandesign@…]:
 > Ok, that's fine.
 >
 > I see in your log:
 >
 > {{{
 > :info:build checking for clock_gettime... no
 > :info:build checking for strtoull... yes
 > :info:build checking for clock_gettime in -lrt... yes
 > }}}
 >
 > My understanding is that `clock_gettime` is not available on OS X, so
 it's strange that it was found on your system, in a library called librt,
 which also does not exist on OS X.
 >
 > My guess is that you have installed a copy of librt.a or librt.so or
 librt.dylib either in /usr/lib or in /usr/local/lib, and that removing
 that library, and cleaning libgcc and trying again, would fix the problem.

 Isn't that what trace mode is supposed to prevent?

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Ticket URL: <https://trac.macports.org/ticket/46479#comment:6>
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