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Bug#575997: marked as done (libstdc++6-4.5-dev: c++config.h doesn't seem to match reality)

Your message dated Sat, 25 Aug 2012 12:01:11 +0000
with message-id <E1T5F39-0008M9-JI@franck.debian.org>
and subject line Bug#675431: Removed package(s) from unstable
has caused the Debian Bug report #575997,
regarding libstdc++6-4.5-dev: c++config.h doesn't seem to match reality
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
575997: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=575997
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: libstdc++6-4.5-dev
Version: 4.5-20100103-1
Severity: normal



The file "/usr/include/c++/4.5/x86_64-linux-gnu/bits/c++config.h"
doesn't seem to actually reflect the available facilities of the system.

In particular (from that file):

   /* Defined if nanosleep is available. */
   /* #undef _GLIBCXX_USE_NANOSLEEP */

   /* Defined if sched_yield is available. */
   /* #undef _GLIBCXX_USE_SCHED_YIELD */

But both the nanosleep and sched_yield functions are actually available,
and seem to work fine.

These two are important because various libstdc++ interfaces are only
available if they are defined, in particular, in <thread>:

   #ifdef _GLIBCXX_USE_SCHED_YIELD
       /// yield
       inline void
       yield()
       { __gthread_yield(); }
   #endif

   #ifdef _GLIBCXX_USE_NANOSLEEP
       /// sleep_until
       template<typename _Clock, typename _Duration>
	 inline void
	 sleep_until(const chrono::time_point<_Clock, _Duration>& __atime)
	 { sleep_for(__atime - _Clock::now()); }

       /// sleep_for
       template<typename _Rep, typename _Period>
	 inline void
	 sleep_for(const chrono::duration<_Rep, _Period>& __rtime)
	 {
...
	   ::nanosleep(&__ts, 0);
	 }
   #endif


Is there a good reason these features are disabled when they are
apparently available?

If not, could they please be enabled?

Thanks,

-Miles


-- System Information:
Debian Release: squeeze/sid
  APT prefers oldstable
  APT policy: (500, 'oldstable'), (500, 'unstable'), (500, 'testing'), (500, 'stable'), (50, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.33-2-amd64 (SMP w/2 CPU cores)
Locale: LANG=ja_JP.UTF-8, LC_CTYPE=ja_JP.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages libstdc++6-4.5-dev depends on:
ii  g++-4.5                   4.5-20100103-1 The GNU C++ compiler
ii  gcc-4.5-base              4.5-20100103-1 The GNU Compiler Collection (base 
ii  libc6-dev                 2.10.2-6       Embedded GNU C Library: Developmen
ii  libstdc++6                4.5-20100103-1 The GNU Standard C++ Library v3

libstdc++6-4.5-dev recommends no packages.

Versions of packages libstdc++6-4.5-dev suggests:
pn  libstdc++6-4.5-doc            <none>     (no description available)

-- no debconf information

--- End Message ---
--- Begin Message --- 
Version: 4.5.4-1+rm

Dear submitter,

as the package gcc-4.5 has just been removed from the Debian archive
unstable we hereby close the associated bug reports.  We are sorry
that we couldn't deal with your issue properly.

For details on the removal, please see http://bugs.debian.org/675431

The version of this package that was in Debian prior to this removal
can still be found using http://snapshot.debian.org/.

This message was generated automatically; if you believe that there is
a problem with it please contact the archive administrators by mailing
ftpmaster@debian.org.

Debian distribution maintenance software
pp.
Luca Falavigna (the ftpmaster behind the curtain)

--- End Message ---
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