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VS2017 version 15.3
by Róbert Špir 17 Aug '17

17 Aug '17

Hi all, after upgrading my installation of vs2017 to version 15.3 (released two days ago) I'm receiving a lot of "Unknown compiler version - please run the configure tests and report the results" messages during building the project which uses boost (but everything builds and works fine). The cl.exe version in vs2017 15.3 was changed to 19.11.25506 Robert

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patch for Intel compiler for new lib appeared in boost 1.65 beta
by Kurkov, Vasiliy A 17 Aug '17

17 Aug '17

Hi, I am Vasiliy Kurkov and I'm working as QA engineer in Intel Compiler QA team. I have tried to build boost libs from 1.65 beta, but I faced the following issue on Windows for new stacktrace lib: compile-c-c++ bin.v2\libs\stacktrace\build\07984f9e4da2f3b833f7520e2f16f320\windbg_cached.obj icl @"bin.v2\libs\stacktrace\build\07984f9e4da2f3b833f7520e2f16f320\windbg_cached.obj.rsp" windbg_cached.cpp .\boost/stacktrace/detail/collect_unwind.ipp(17): catastrophic error: cannot open source file "unwind.h" #include <unwind.h> ^ compilation aborted for libs\stacktrace\build\..\src\windbg_cached.cpp (code 4) Environment: Windows 2016 Server + MSVS2017 + Intel Compiler 17.0 or later I would like to suggested the following patch: --- 1/boost_1_65_0/boost/stacktrace/safe_dump_to.hpp 2017-08-16 13:37:10.003950000 +0300 +++ 2/boost_1_65_0/boost/stacktrace/safe_dump_to.hpp 2017-08-16 13:38:05.470305000 +0300 @@ -203,7 +203,7 @@ # else # include <boost/stacktrace/detail/safe_dump_posix.ipp> # endif -# if defined(BOOST_MSVC) +# if defined(BOOST_MSVC) || defined(BOOST_INTEL) # include <boost/stacktrace/detail/collect_msvc.ipp> # else # include <boost/stacktrace/detail/collect_unwind.ipp> Thank you in advance. -- Regards, Vasiliy -------------------------------------------------------------------- Intel Technology Poland sp. z o.o. ul. Slowackiego 173 | 80-298 Gdansk | Sad Rejonowy Gdansk Polnoc | VII Wydzial Gospodarczy Krajowego Rejestru Sadowego - KRS 101882 | NIP 957-07-52-316 | Kapital zakladowy 200.000 PLN. Ta wiadomosc wraz z zalacznikami jest przeznaczona dla okreslonego adresata i moze zawierac informacje poufne. W razie przypadkowego otrzymania tej wiadomosci, prosimy o powiadomienie nadawcy oraz trwale jej usuniecie; jakiekolwiek przegladanie lub rozpowszechnianie jest zabronione. This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). If you are not the intended recipient, please contact the sender and delete all copies; any review or distribution by others is strictly prohibited.

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Boost 1.65.0 Release Candidate 3
by Marshall Clow 17 Aug '17

17 Aug '17

The third (and hopefully final) release candidates for the 1.65.0 release are now available at: https://dl.bintray.com/boostorg/release/1.65.0/source/ [ Note: The RC1s and RC2s are in that directory, too - make sure you get the right files! ] Changes since RC2: * Fix a crashing bug in Boost.ASIO * Fix a compilation error when including both <boost/math_fwd.hpp> <boost/math/common_factor_ct.hpp> * An update to Boost.Spirit to fix compilation errors on Mac OS with -std=c++17 Changes since RC1: * An update to Boost.Config so that the flags BOOST_NO_CXX98_RANDOM_SHUFFLE and BOOST_NO_CXX98_BINDERS are now set appropriately for libc++. (This fixes the compilation errors for Boost.Test) * An update to Boost.Fiber to fix compilation errors * An update to Boost.Wave to fix compilation errors on Mac OS with -std=c++17 The SHA256 checksums are as follows: 1d844a958656e76b140292ec1cbfe770d9916166c16e13b59d3dac1df3b7ef40 boost_1_65_0_rc3.7z 3fc2877cf5da4bbb0c91eab058d2e6764155e705e9c3e2dce2a0248936079675 boost_1_65_0_rc3.tar.bz2 e065b53d7f5326cc20d246b518facedb4407391aaf9fd4a1c90001e0c85accab boost_1_65_0_rc3.tar.gz 96b2ba69c6045060d1dfe012218457870200c2c22af60eb855bab5ffb75c13a2 boost_1_65_0_rc3.zip As always, the release managers would appreciate it if you download the candidate of your choice and give building it a try. Please report both success and failure, and anything else that is noteworthy. Thanks! -- The release managers

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Where we are 1.65.0
by Marshall Clow 16 Aug '17

16 Aug '17

RC1 came out on Monday, and it had some problems. Specifically: * Some libraries didn't build with ToT clang/libc++ (Locale, Wave and Test) This is because in C++17, some deprecated library features have been removed. [bind1st, mem_fun, auto_ptr, random_shuffle, etc ] Boost.Config has support for these removals, but this was ... incomplete. [ This is on me; I did the partial job of adding these to Config's libc++ support a while back ] Normally, I would be tempted to say "Well, clang 5 is not shipping yet, and so we can put this off until 1.66.0". But both clang 5 and C++17 are imminent (they will both happen well before the 1.66 release, and so I think we should fix this now. Also, a future version of MSVC will have the same library issues. So I have committed a fix for Boost.Config that fixes the Boost.Test issues. Hartmut has fixed most of the Boost.Wave issues. Artymom has a fix for Boost.Locale. Windows/MSVC builds look good across the board. * Boost.Fiber fails to build on Mac OS with anything other than -std=c++03. There is a fix in develop for this; but there's still a bunch of tests failing. * There's a problem from the beta in Boost.Math. The regression regarding boost/math/common_factor_ct.hpp (vs > math_fwd.hpp) seems to be still there. (For details please see the > original mail and replies: > https://lists.boost.org/Archives/boost/2017/07/237452.php) > What I presume is the fix (https://github.com/boostorg/math/pull/75) was > merged into develop about 12 hours ago, some automatic CI tests still > running. * There's a problem with ScopeExit and Visual C++ 2017 With Visual C++ 2017 and /permissive-, ScopeExit is still broken, for which > there's an open PR: > https://github.com/boostorg/scope_exit/pull/3 > Looks good otherwise on MSVC 14.11, tested with /std=cpplatest and > _HAS_AUTO_PTR_ETC=1, targeting Windows 10 and XP, 32 bit and 64 bit, built > as static libraries. >

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base64?
by Greger 16 Aug '17

16 Aug '17

Hi Is anyone interested in a base64 encode/decode library (for boost)? ty Greger

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Re: [boost] : [math] Enable move semantics for polynomials
by Brian Wood 16 Aug '17

16 Aug '17

Lakshay Garg writes: >Hello all > >The polynomial class in boost.math does not support move sematics. I tried > to implement them and found that they immediately lead to significant >improvements in performance (benchmarking using google-benchmark). > > I would like to get the changes merged into the main repository. I > understand that boost accepts very high quality C++ code Hmm. Here's a benchmark where Boost doesn't do well: https://github.com/thekvs/cpp-serializers . Brian Ebenezer Enterprises - In G-d we trust. http://webEbenezer.net

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RC2 / VS2017 - shared libraries questions
by Raffi Enficiaud 15 Aug '17

15 Aug '17

Hi all, I am still trying RC2 (I think this is the same with RC3). I compile the RCs for VC 2017 (community 2017, v15.2) and the build generates shared libraries that link to the same VC runtime (as reported by dependency walker): Example: Boost atomic: direct link to c:\windows\system32\VCRUNTIME140.DLL for VC2017 and VC2015. Full logs of dependency walker attached. Here are the options I am passing to VC2015: toolset=msvc-14.0 --layout=versioned --build-type=complete --without-log -j 4 address-model=64 threading=multi runtime-link=shared and the options I am passing to VC2017: toolset=msvc-14.1 --layout=versioned --build-type=complete --without-log -j 4 address-model=64 threading=multi runtime-link=shared What am I doing wrong? Thanks, Raffi

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[git] git config core.safecrlf setting for Windows?
by Beman Dawes 15 Aug '17

15 Aug '17

For Windows, github.com/boostorg/boost/wiki/Getting-Started suggests: git config --global core.autocrlf true But is silent about core.safecrlf. Should we be recommending a setting for core.safecrlf, and if so which one? Thanks, --Beman

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[Root.Ptr] Update (C consultancy -> ISO)
by Phil Bouchard 14 Aug '17

14 Aug '17

Greetings, I just wanted to update everyone that I just made the Root.Ptr repository private: https://github.com/philippeb8/root_ptr This is because I am about to work as a consultant to fix memory leaks in C code and possibly C++98 code later on. When I am done testing Root.Ptr then I will submit it to ISO which is already pre-approved. Thank you, -Phil

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Boost 1.65.0 Release Candidate 2
by Marshall Clow 14 Aug '17

14 Aug '17

The second release candidates for the 1.65.0 release are now available at: https://dl.bintray.com/boostorg/release/1.65.0/source/ [ Note: The RC1's are in that directory, too - make sure you get the right files! ] Changes from RC1: * An update to Boost.Config so that the flags BOOST_NO_CXX98_RANDOM_SHUFFLE and BOOST_NO_CXX98_BINDERS are now set appropriately for libc++. (This fixes the compilation errors for Boost.Test) * An update to Boost.Fiber to fix compilation errors * An update to Boost.Wave to fix compilation errors on Mac OS with -std=c++17 The SHA256 checksums are as follows: 786ccb478a82ef526fb8649841d2e863af90d7ea31217bb2e938d87aff06cf23 boost_1_65_0_rc2.7z 83dbc7179271825c55a59c26f30cf9de53bb8b42006d920948bad709f5372af9 boost_1_65_0_rc2.tar.bz2 493cbf33a8837b44f87e3ac8a37ec32b9a0a27b8cdb03eac6237a16027a03809 boost_1_65_0_rc2.tar.gz 40e4ccbd52322f9a8cb6e1829075c810d8aad8851f3efb2b3da7fcff6963e14d boost_1_65_0_rc2.zip As always, the release managers would appreciate it if you download the candidate of your choice and give building it a try. Please report both success and failure, and anything else that is noteworthy. Thanks! -- The release managers

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