Re: CI errors in [serialization] windows cygwin, mingw builds

From: Robert Ramey (ramey_at_[hidden])
Date: 2020-07-09 18:54:36

On 7/9/20 8:06 AM, Jeff Garland via Boost wrote:
> I've been seeing a bunch of CI errors related to serialization that seem to
> be new.  Not seeing this so much on the test dashboard however.

Seems that the errors are related to visibility settings in gcc 
compilers which generate code for windows.  So the errors only show in 
cygwin and  on mingw.  These configurations are among those which are 
tested in our test matrix.  I would like to see a tester on the matrix 
which could/would run those configurations.  While we're at it, I'd like 
to see test configurations for ARM which I don't think are on our test 
matrix either.

In anycase, I'll look into it.
> 
> https://ci.appveyor.com/project/jeking3/date-time-1evbf/builds/33988388
> 
> gcc.compile.c++
> bin.v2\libs\serialization\build\gcc-mngw6\rls\cxstd-11-iso\thrd-mlt\vsblt-hdn\xml_iarchive.o
> gcc.compile.c++
> bin.v2\libs\serialization\build\gcc-mngw6\rls\cxstd-11-iso\thrd-mlt\vsblt-hdn\xml_oarchive.o
> In file included from ./boost/archive/iterators/mb_from_wchar.hpp:31,
> from ./boost/archive/impl/xml_oarchive_impl.ipp:28,
> from libs\serialization\src\xml_oarchive.cpp:23:
> ./boost/archive/detail/utf8_codecvt_facet.hpp:20: warning:
> "BOOST_ARCHIVE_DECL" redefined
> 20 | #define BOOST_ARCHIVE_DECL
> |
> In file included from ./boost/archive/detail/auto_link_archive.hpp:26,
> from ./boost/archive/xml_oarchive.hpp:29,
> from libs\serialization\src\xml_oarchive.cpp:17:
> ./boost/archive/detail/decl.hpp:28: note: this is the location of the
> previous definition
> 28 | #define BOOST_ARCHIVE_DECL BOOST_SYMBOL_EXPORT
> |
> gcc.compile.c++
> bin.v2\libs\serialization\build\gcc-mngw6\rls\cxstd-11-iso\thrd-mlt\vsblt-hdn\xml_archive_exception.o
> gcc.compile.c++ bin.v2\libs\serialization\build\gcc-mngw6\rls\cxs
> 
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