[MacPorts] #36364: gcc47, gcc48: Missing support for std::this_thread::sleep_for/sleep_until

[MacPorts]

#36364: gcc47, gcc48: Missing support for std::this_thread::sleep_for/sleep_until
----------------------------+----------------------
  Reporter:  l.digaspero@…  |      Owner:  mww@…
      Type:  defect         |     Status:  reopened
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.1.2
Resolution:                 |   Keywords:
      Port:  gcc47 gcc48    |
----------------------------+----------------------

Comment (by jeremyhu@…):

 Replying to [comment:4 howarth@…]:
 > Using  --enable-libstdccxx-time without arguments doesn't do anything
 because that defaults to 'no'.[[BR]]

 You seem to misunderstand how autoconf works.

 Also, it is --enable-libstdcxx-time, not --enable-libstdccxx-time (you
 made the same copy-paste-o as above).

 > Furthermore, using  --enable-libstdccxx-time=yes won't work because the
 configure tests for nanosleep [[BR]]
 > support in libstdc++-v3/configure ultimately fails on the test...[[BR]]
 > [[BR]]
 > configure:19829: checking for nanosleep[[BR]]
 > configure:19851:
 /sw/src/fink.build/gcc47-4.7.2-1000/darwin_objdir/./gcc/xgcc -shared-
 libgcc -B/sw/src/fink.build/gcc47-4.7.2-1000/darwin_objdir/./gcc
 -nostdinc++ -L/sw/src/fink.build/gcc47-4.7.2-1000/darwin_objdir/x86_64
 -apple-darwin12.2.0/libstdc++-v3/src
 -L/sw/src/fink.build/gcc47-4.7.2-1000/darwin_objdir/x86_64-apple-
 darwin12.2.0/libstdc++-v3/src/.libs -B/sw/lib/gcc4.7/x86_64-apple-
 darwin12.2.0/bin/ -B/sw/lib/gcc4.7/x86_64-apple-darwin12.2.0/lib/ -isystem
 /sw/lib/gcc4.7/x86_64-apple-darwin12.2.0/include -isystem
 /sw/lib/gcc4.7/x86_64-apple-darwin12.2.0/sys-include    -o conftest -g -O2
 -fno-exceptions   conftest.cpp  >&5[[BR]]
 > conftest.cpp: In function 'int main()':[[BR]]
 > conftest.cpp:97:15: error: 'tp' was not declared in this scope[[BR]]
 > [[BR]]
 > due to the test case....[[BR]]
 > [[BR]]
 > | #include <unistd.h>[[BR]]
 > |        #include <time.h>[[BR]]
 > |
 > | int[[BR]]
 > | main ()[[BR]]
 > | {[[BR]]
 > | #if _POSIX_TIMERS > 0[[BR]]
 > |         timespec tp;[[BR]]
 > |        #endif[[BR]]
 > |         nanosleep(&tp, 0);[[BR]]
 > |[[BR]]
 > |   ;[[BR]]
 > |   return 0;[[BR]]
 > | }[[BR]]
 > [[BR]]
 > requiring posix timers which darwin doesn't support.

 Why do they need _POSIX_TIMERS? That's not needed for nanosleep.

-- 
Ticket URL: <https://trac.macports.org/ticket/36364#comment:7>
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