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Posted to c-dev@xerces.apache.org by "Scott Cantor (JIRA)" <xe...@xml.apache.org> on 2018/03/12 02:14:00 UTC
[jira] [Resolved] (XERCESC-2119) warning C4251:
'xercesc_3_2::TranscodeToStr::fString': class
'xercesc_3_2::ArrayJanitor' needs to have dll-interface to be used
by clients of class 'xercesc_3_2::TranscodeToStr'
[ https://issues.apache.org/jira/browse/XERCESC-2119?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Scott Cantor resolved XERCESC-2119.
-----------------------------------
Resolution: Fixed
> warning C4251: 'xercesc_3_2::TranscodeToStr::fString': class 'xercesc_3_2::ArrayJanitor<XMLByte>' needs to have dll-interface to be used by clients of class 'xercesc_3_2::TranscodeToStr'
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: XERCESC-2119
> URL: https://issues.apache.org/jira/browse/XERCESC-2119
> Project: Xerces-C++
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 3.2.0
> Environment: windows
> Reporter: Mathieu Champlon
> Assignee: Roger Leigh
> Priority: Major
> Fix For: 3.2.2, 3.2.1
>
> Attachments: 0001-Explicitly-export-ArrayJanitor-templates.patch, dll_interface.patch
>
>
> Upgrading from xerces 3.1.2 to 3.2.0 on windows introduces a few of
> {noformat}
> (...)\include\xercesc/util/TransService.hpp(559): error C2220: warning treated as error - no 'object' file generated
> (...)\include\xercesc/util/TransService.hpp(559): warning C4251: 'xercesc_3_2::TranscodeToStr::fString': class 'xercesc_3_2::ArrayJanitor<XMLByte>' needs to have dll-interface to be used by clients of class 'xercesc_3_2::TranscodeToStr'
> (...)\include\xercesc/util/TransService.hpp(559): note: see declaration of 'xercesc_3_2::ArrayJanitor<XMLByte>'
> (...)\include\xercesc/util/TransService.hpp(641): warning C4251: 'xercesc_3_2::TranscodeFromStr::fString': class 'xercesc_3_2::ArrayJanitor<XMLCh>' needs to have dll-interface to be used by clients of class 'xercesc_3_2::TranscodeFromStr'
> (...)\include\xercesc/util/TransService.hpp(641): note: see declaration of 'xercesc_3_2::ArrayJanitor<XMLCh>'
> {noformat}
> As pragma deactivating C4251 is frown upon on the project I work, I ended up exporting the types, see attached patch.
> Note that this was also mentioned in XERCESC-1974.
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