April 2015 - Boost - lists.preview.boost.org

[trac] Internal error
by Edward Diener 28 Apr '15

28 Apr '15

I logged into Boost trac and received: " Trac detected an internal error: OperationalError: database is locked There was an internal error in Trac. It is recommended that you notify your local Trac administrator with the information needed to reproduce the issue. To that end, you could a ticket. The action that triggered the error was: GET: /login"

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[regex] Change format of data in file
by Fu ji 28 Apr '15

28 Apr '15

Hello all, I have file output.txt, in file we can find something like: 01/01/2015 15:00:00 2222.2222 2222.2222 2222.2222 2222.2222 04/04/2015 15:00:00 2222.2222 and i would like to change format from DD/MM/RRRR HH:MM:SS to RRRR-MM-DD HH:MM:SS.000 using boost regex. But I have no clue how should I type pattern and replace them with another. Anyone have knowledge about boost regex and could help me ? Best regards

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[date_time] Ordering non-overlapping time period
by Arindam Mukherjee 28 Apr '15

28 Apr '15

The documentation for time_period suggests that for two periods tp1 and tp2, tp1 < tp2 if tp1.end() < tp2.begin() i.e. !tp1.intersects(tp2). http://www.boost.org/doc/libs/1_58_0/doc/html/date_time/posix_time.html#dat… But I can see that the following works: time_period tp1(second_clock:local_time(), hours(2)); time_period tp2(second_clock:local_time() + hours(1), hours(2)); assert(tp1.intersects(tp2)); assert(tp1 < tp2); The behavior seems legit - tp1.begin() < tp2.begin()/ The documentation says nothing about overlapping periods. Arindam

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[test] floating point comparison
by Emil Dotchevski 28 Apr '15

28 Apr '15

Hello, Can someone please tell me exactly what do I need to include and which namespace to use to get exact same behavior as: #include <boost/test/floating_point_comparison.hpp> bool check( float a, float b, float tolerance ) { using namespace boost::test_tools; return check_is_close(a,b,fraction_tolerance(tolerance)); } (The above used to work with older Boost versions but no longer.) Thanks, Emil

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[boost, config, context, log, 1.58] address-model and architecture detection
by Vladimir Prus 28 Apr '15

28 Apr '15

Hi, for some time on develop, top-level Jamroot used to deduce address-model and architecture from compiler. The only issue was that both properties would be added to targets paths when not necessary. Fix for that has been just committed, for develop: https://github.com/boostorg/boost/commit/945e3c0bbdd31ce8c297e0aff5340f0adb… and I performed these operations on master: - Merged all of Boost.Build changes: https://github.com/boostorg/build/commit/2e764707e03d25b6928501c25a717e195c… - Cherry-picked one Boost.Context change: https://github.com/boostorg/context/commit/9b392c68b59021aa4801dcb245bc64ad… - Cherry-picked one Boost.Log change: https://github.com/boostorg/log/commit/27a822a6b82f8bf34cbc681ac6583412bdf2… - Cherry-picked two root project changes and updated pointers to Context and Log: https://github.com/boostorg/boost/commit/e3bc35f7891e72ad74e57dc216db899d16… https://github.com/boostorg/boost/commit/beb53b6b9574f95309384bfc5afffb40d4… https://github.com/boostorg/boost/commit/b69a072401695c9978085158af4c1ea84c… With that, "./b2 -n" in up-to-date checkout of superproject works fine on Linux. Also, "./b2 -n --with-context --with-system" works fine, no address-model elements in path. Putting explicit address-model=64 does not change path. Putting explicit address-model=32 does add this element to path, as expected. Note that: - I did not merge any other Boost.Context or Boost.Log changes. - Nothing was required for Boost.Config, since it was merged earlier. I'd appreciate if people test current state of master branch, and report any concerns. Thanks, -- Vladimir Prus CodeSourcery / Mentor Embedded http://vladimirprus.com

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[afio] Compilation error in applications, including tests
by Brian Ravnsgaard Riis 27 Apr '15

27 Apr '15

Hi, I wanted to try out the proposed AFIO library, but I'm having trouble with compilation. I followed the instructions for inserting it into the boost checkout, by symlinking libs/afio to the AFIO checkout. Boost compilation happens correctly, including the AFIO library, however I get include failures on BindLib when I try to compile a test program. I then tried running the test suite, as per instructions: $ ./b2 libs/afio/test [snip] gcc.compile.c++.pch bin.v2/libs/afio/test/gcc-4.9.1/debug/threading-multi/test_functions.hpp.gch In file included from ./boost/afio/spinlock/include/boost/spinlock/concurrent_unordered_map.hpp:35:0, from ./boost/afio/config.hpp:341, from ./boost/afio/afio.hpp:41, from libs/afio/test/test_functions.hpp:17: ./boost/afio/spinlock/include/boost/spinlock/spinlock.hpp:81:36: fatal error: bindlib/include/import.h: No such file or directory #include "bindlib/include/import.h" ^ compilation terminated. ... And more of the same ilk. Am I missing some obvious configuration or something? The boost version is at tag boost-1.58.0 and AFIO is at tag v1.31_Boost_v1.58. The BindLib submodule does contain include/import.h. Regards, Brian

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[Property Tree] No documentation for <boost/property_tree/ptree.hpp>
by Nevin Liber 27 Apr '15

27 Apr '15

At < http://www.boost.org/doc/libs/1_58_0/doc/html/property_tree/reference.html#…> The entry for "Header <boost/property_tree/ptree.hpp>" is blank. It looks like a 1.58 bug. Kind regards, Nevin :-) -- Nevin ":-)" Liber <mailto:nevin@eviloverlord.com> (847) 691-1404

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1.58.1 bugfix release necessary?
by Oliver Kowalke 27 Apr '15

27 Apr '15

Unfortunately boost.context fails to compile for gcc-4.8.x and option -std=c++11. Because of a dependency to boost.context, boost.asio and boost.coroutine do not compile too. I've pushed a pull-request to boost.config - the patch adds C++14 test macro BOOST_NO_CXX14_INTEGER_SEQUENCE ( https://github.com/boostorg/config/pull/57) Oliver

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Review request for DLL
by Antony Polukhin 27 Apr '15

27 Apr '15

Hi, Me and Vladimir Prus (review manager) have agreed to start the review of the the DLL library on the June 29. We also agreed that a two weeks review period is required. So the review must go till July 12. Ronald, please adjust the review schedule if there's no objections. -- Best regards, Antony Polukhin

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[vmd] Getting regression tests
by Edward Diener 27 Apr '15

27 Apr '15

I created a pull request for boostorg/boost so that VMD is added to the regression tests. It has been sitting there for a long time now. Can someone at the Boost superproject level please address this pull request ? I want to have VMD added as a library in the next Boost release.

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