[jira] [Commented] (XALANC-775) Xalan is incompatible with C++17

["Roger Leigh (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/XALANC-775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16509938#comment-16509938 ] 

Roger Leigh commented on XALANC-775:
------------------------------------

Please see https://github.com/rleigh-codelibre/xalan-c/tree/remove-unary-binary-function for a work in progress fix.  I don't have any access to xalan-c's version control to commit it, and I don't have the time available to finish it off.  But feel free to pick it up.

> Xalan is incompatible with C++17
> --------------------------------
>
>                 Key: XALANC-775
>                 URL: https://issues.apache.org/jira/browse/XALANC-775
>             Project: XalanC
>          Issue Type: Bug
>          Components: XalanC
>    Affects Versions: 1.11
>            Reporter: Hermann Walth
>            Assignee: Steven J. Hathaway
>            Priority: Major
>
> In C++ 17, the template classes std::unary_function and std::binary_function have been removed. Since Xalan derives multiple classes from these classes, using it with the flag -std=c++17 fails.
> This does not just affect compilation of Xalan itself, but any project that includes Xalan's header files, as including those files causes errors about the nonexisting symbol std::unary_function.
> I'm currently working on a project that uses Xalan, and this issue is stopping us from moving our codebase to C++17.



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