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https://issues.apache.org/jira/browse/XERCESC-2138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16372011#comment-16372011
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Roger Leigh commented on XERCESC-2138:
--------------------------------------
I can only assume that this code originated when namespaces were still
optional, since it seems to be using the XSConstants class as a namespace
equivalent. It looks like it's safe as it stands, but it is issuing a warning
quite legitimately.
Could we simply switch to using a namespace?
As a wider change, could we make namespaces mandatory across the board?
> class xercesc_3_2::XSConstants only defines private constructors and has no
> friends
> -----------------------------------------------------------------------------------
>
> Key: XERCESC-2138
> URL: https://issues.apache.org/jira/browse/XERCESC-2138
> Project: Xerces-C++
> Issue Type: Bug
> Components: Build
> Affects Versions: 3.2.0
> Reporter: Johnny Willemsen
> Priority: Trivial
>
> When compiling xercesc-3.2.0 with mingw-64 gcc 4.9.3 on Windows we get a lot
> of warnings, for example:
> class xercesc_3_2::XSConstants' only defines private constructors and has no
> friends
> In file included from
> C:/cygwin64/home/administrator/build-ad87109bfff0765f4dd8cf4943b04d16a4070fea/xerces-c-3.2.0/src/xercesc/framework/psvi/XSObject.hpp:26:0,
> Gandalf_win10_x86_64_01(administrator@172.16.2.213)
> [pkg_xercesc:windows-pkg-xercesc] from
> C:/cygwin64/home/administrator/build-ad87109bfff0765f4dd8cf4943b04d16a4070fea/xerces-c-3.2.0/src/xercesc/framework/psvi/XSTypeDefinition.hpp:25,
> Gandalf_win10_x86_64_01(administrator@172.16.2.213)
> [pkg_xercesc:windows-pkg-xercesc] from
> C:/cygwin64/home/administrator/build-ad87109bfff0765f4dd8cf4943b04d16a4070fea/xerces-c-3.2.0/src/xercesc/framework/psvi/XSSimpleTypeDefinition.hpp:25,
> Gandalf_win10_x86_64_01(administrator@172.16.2.213)
> [pkg_xercesc:windows-pkg-xercesc] from
> C:/cygwin64/home/administrator/build-ad87109bfff0765f4dd8cf4943b04d16a4070fea/xerces-c-3.2.0/src/xercesc/validators/datatype/DatatypeValidator.hpp:32,
> Gandalf_win10_x86_64_01(administrator@172.16.2.213)
> [pkg_xercesc:windows-pkg-xercesc] from
> C:/cygwin64/home/administrator/build-ad87109bfff0765f4dd8cf4943b04d16a4070fea/xerces-c-3.2.0/src/xercesc/framework/XMLAttr.hpp:28,
> Gandalf_win10_x86_64_01(administrator@172.16.2.213)
> [pkg_xercesc:windows-pkg-xercesc] from
> C:/cygwin64/home/administrator/build-ad87109bfff0765f4dd8cf4943b04d16a4070fea/xerces-c-3.2.0/src/xercesc/framework/XMLValidator.hpp:25,
> Gandalf_win10_x86_64_01(administrator@172.16.2.213)
> [pkg_xercesc:windows-pkg-xercesc] from
> C:/cygwin64/home/administrator/build-ad87109bfff0765f4dd8cf4943b04d16a4070fea/xerces-c-3.2.0/src/xercesc/sax2/SAX2XMLReader.hpp:27,
> Gandalf_win10_x86_64_01(administrator@172.16.2.213)
> [pkg_xercesc:windows-pkg-xercesc] from
> C:/cygwin64/home/administrator/build-ad87109bfff0765f4dd8cf4943b04d16a4070fea/xerces-c-3.2.0/samples/src/SAX2Print/SAX2Print.cpp:28:
> Gandalf_win10_x86_64_01(administrator@172.16.2.213)
> [pkg_xercesc:windows-pkg-xercesc]
> C:/cygwin64/home/administrator/build-ad87109bfff0765f4dd8cf4943b04d16a4070fea/xerces-c-3.2.0/src/xercesc/framework/psvi/XSConstants.hpp:56:24:
> warning: 'class xercesc_3_2::XSConstants' only defines private constructors
> and has no friends [-Wctor-dtor-privacy]
> Gandalf_win10_x86_64_01(administrator@172.16.2.213)
> [pkg_xercesc:windows-pkg-xercesc] class XMLPARSER_EXPORT XSConstants
> Gandalf_win10_x86_64_01(administrator@172.16.2.213)
> [pkg_xercesc:windows-pkg-xercesc] ^
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