[boost] Supporting boost 1.64 for Visual Studio 2017

[Evgen8 via Boost]

The "NuGet" system indicates that BC 2017 is supported.
*boost_locale-vc141. Compiler: Visual Studio 2017. Platforms: Win32, x64.*
But attempts to use this package end with nothing. Regardless of how I
install the "boost_locale" - do I get the same result manually or using
"NuGet"? Attempts to install it on another machine ran out the same. Is this
a bug?

/1>libboost_locale-vc141-mt-1_64.lib(generator.obj) : error LNK2001:
unresolved external symbol "class boost::system::error_category const &
__cdecl boost::system::system_category(void)"
(?system_category@system@boost@@YAABVerror_category@12@XZ)
1>libboost_locale-vc141-mt-1_64.lib(localization_backend.obj) : error
LNK2001: unresolved external symbol "class boost::system::error_category
const & __cdecl boost::system::system_category(void)"
(?system_category@system@boost@@YAABVerror_category@12@XZ)
1>libboost_locale-vc141-mt-1_64.lib(lcid.obj) : error LNK2001: unresolved
external symbol "class boost::system::error_category const & __cdecl
boost::system::system_category(void)"
(?system_category@system@boost@@YAABVerror_category@12@XZ)
1>libboost_locale-vc141-mt-1_64.lib(date_time.obj) : error LNK2001:
unresolved external symbol "class boost::system::error_category const &
__cdecl boost::system::system_category(void)"
(?system_category@system@boost@@YAABVerror_category@12@XZ)
1>libboost_locale-vc141-mt-1_64.lib(generator.obj) : error LNK2001:
unresolved external symbol "class boost::system::error_category const &
__cdecl boost::system::generic_category(void)"
(?generic_category@system@boost@@YAABVerror_category@12@XZ)
1>libboost_locale-vc141-mt-1_64.lib(localization_backend.obj) : error
LNK2001: unresolved external symbol "class boost::system::error_category
const & __cdecl boost::system::generic_category(void)"
(?generic_category@system@boost@@YAABVerror_category@12@XZ)
1>libboost_locale-vc141-mt-1_64.lib(lcid.obj) : error LNK2001: unresolved
external symbol "class boost::system::error_category const & __cdecl
boost::system::generic_category(void)"
(?generic_category@system@boost@@YAABVerror_category@12@XZ)
1>libboost_locale-vc141-mt-1_64.lib(date_time.obj) : error LNK2001:
unresolved external symbol "class boost::system::error_category const &
__cdecl boost::system::generic_category(void)"
(?generic_category@system@boost@@YAABVerror_category@12@XZ)
1>E:\Yandex.Disk\Projects\OS\Release\Devs.exe : fatal error LNK1120: 2
unresolved externals/



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[Andrey Semashev via Boost]

On 04/22/17 20:29, Evgen8 via Boost wrote:
> The "NuGet" system indicates that BC 2017 is supported.
> *boost_locale-vc141. Compiler: Visual Studio 2017. Platforms: Win32, x64.*
> But attempts to use this package end with nothing. Regardless of how I
> install the "boost_locale" - do I get the same result manually or using
> "NuGet"? Attempts to install it on another machine ran out the same. Is this
> a bug?
>
> /1>libboost_locale-vc141-mt-1_64.lib(generator.obj) : error LNK2001:
> unresolved external symbol "class boost::system::error_category const &
> __cdecl boost::system::system_category(void)"

The missing symbols are from Boost.System. Since you're linking static
libraries, you'll have to specify Boost.Locale dependencies manually to
link with in your project.

[Andrey Semashev via Boost]

On 04/23/17 00:11, Nadtochiy Evgeniy wrote:
> 22.04.2017, 21:07, "Andrey Semashev" <andrey....@gmail.com>:

>>
>> On 04/22/17 20:29, Evgen8 via Boost wrote:
>>
>> The "NuGet" system indicates that BC 2017 is supported.
>> *boost_locale-vc141. Compiler: Visual Studio 2017. Platforms:
>> Win32, x64.*
>> But attempts to use this package end with nothing. Regardless of
>> how I
>> install the "boost_locale" - do I get the same result manually or
>> using
>> "NuGet"? Attempts to install it on another machine ran out the
>> same. Is this
>> a bug?
>>
>> /1>libboost_locale-vc141-mt-1_64.lib(generator.obj) : error LNK2001:
>> unresolved external symbol "class boost::system::error_category
>> const &
>> __cdecl boost::system::system_category(void)"
>>
>>
>> The missing symbols are from Boost.System. Since you're linking static
>> libraries, you'll have to specify Boost.Locale dependencies manually to
>> link with in your project.
>>

> How can i do this? There was always enough installation with NuGet...

I don't know what NuGet is or how it works, but the libraries to link
with are typically specified in VS project settings (look for the linker
parameters tab).

PS: Also, please, don't top post.

[Marc Glisse via Boost]

When you get exactly those 2 missing symbols from boost system and only
those, this is usually caused by the deprecated code in boost system.
Please lobby the boost system maintainer so BOOST_SYSTEM_NO_DEPRECATED
becomes the default (or BOOST_ERROR_CODE_HEADER_ONLY, or anything that
avoids forcing people to link with it just for an unused, deprecated
definition).

--
Marc Glisse