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https://issues.apache.org/jira/browse/XERCESC-2132?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16336470#comment-16336470
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Roger Leigh commented on XERCESC-2132:
--------------------------------------
See attached patches or
[https://github.com/apache/xerces-c/compare/trunk...rleigh-codelibre:xmlch-option?expand=1]
cmake: Add \{-Dxmlch-type=(char16_t|uint16_t|wchar_t)} option
autoconf: Add \{--enable-xmlch-(char16_t|uint16_t|wchar_t)} option
This doesn't change the pre-existing behaviour; the fallback order is still the
same, but it will allow the user to override this to choose a specific type.
I'll do some more testing to ensure the fallbacks are correct in all cases.
Any feedback would be appreciated.
> cmake: Add the ability to force the specific XMLCh type to use
> --------------------------------------------------------------
>
> Key: XERCESC-2132
> URL: https://issues.apache.org/jira/browse/XERCESC-2132
> Project: Xerces-C++
> Issue Type: Improvement
> Components: Build
> Affects Versions: 3.2.0
> Reporter: Roger Leigh
> Assignee: Roger Leigh
> Priority: Major
>
> Currently the CMake build default to a 16-bit integer type. It will use
> char16_t where available, and fall back to wchar_t on Windows when available.
> This means that old Visual Studio versions will use wchar_t while newer ones
> use char16_t, but there are cases where selection of a specific XMLCh type is
> desirable, to force the use of wchar_t e.g. for compatibility reasons.
>
> Add an option to select a specific XMLCh type, overriding the default checks
> and fallbacks.
>
> Also, check that the autotools build behaves the same way.
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