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

[MacPorts]

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

Comment (by jeremyhu@…):

 Actually ... it looks like it is using libSystem's provided libunwind
 already

 {{{
 ~ $ nm -m /opt/local/lib/libstdc++.6.dylib | grep Unwind
                  (undefined) external __Unwind_DeleteException (from
 libSystem)
                  (undefined) external __Unwind_GetDataRelBase (from
 libSystem)
                  (undefined) external __Unwind_GetIPInfo (from libSystem)
                  (undefined) external __Unwind_GetLanguageSpecificData
 (from libSystem)
                  (undefined) external __Unwind_GetRegionStart (from
 libSystem)
                  (undefined) external __Unwind_GetTextRelBase (from
 libSystem)
                  (undefined) external __Unwind_RaiseException (from
 libSystem)
                  (undefined) external __Unwind_Resume (from libSystem)
                  (undefined) external __Unwind_Resume_or_Rethrow (from
 libSystem)
                  (undefined) external __Unwind_SetGR (from libSystem)
                  (undefined) external __Unwind_SetIP (from libSystem)
 00000000000028dc (__TEXT,__text) non-external
 __ZL17parse_lsda_headerP15_Unwind_ContextPKhP16lsda_header_info
 00000000000028a8 (__TEXT,__text) non-external
 __ZL18read_encoded_valueP15_Unwind_ContexthPKhPm
 0000000000002860 (__TEXT,__text) non-external
 __ZL21base_of_encoded_valuehP15_Unwind_Context
 000000000000312b (__TEXT,__text) non-external
 __ZL22free_any_cxa_exceptionP17_Unwind_Exception
 000000000000321d (__TEXT,__text) non-external
 __ZL23__gxx_exception_cleanup19_Unwind_Reason_CodeP17_Unwind_Exception
 0000000000002e97 (__TEXT,__text) non-external
 __ZL33__gxx_dependent_exception_cleanup19_Unwind_Reason_CodeP17_Unwind_Exception
 }}}

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Ticket URL: <https://trac.macports.org/ticket/38732#comment:25>
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