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Date:      Sun, 23 Apr 2023 19:14:06 +0000
From:      bugzilla-noreply@freebsd.org
To:        ports-bugs@FreeBSD.org
Subject:   [Bug 271031] textproc/html2text: fix build with clang 16
Message-ID:  <bug-271031-7788@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D271031

            Bug ID: 271031
           Summary: textproc/html2text: fix build with clang 16
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: bapt@FreeBSD.org
          Reporter: dim@FreeBSD.org
             Flags: maintainer-feedback?(bapt@FreeBSD.org)
          Assignee: bapt@FreeBSD.org

Since clang 16 (and gcc 11) the default C++ standard is now gnu++17.
Because textproc/html2text's Makefile does not explicitly set its C++
standard, this leads to several errors:

  /usr/local/lib/bison.cc:429:3: error: ISO C++17 does not allow 'register'
storage class specifier [-Wregister]
    register int yystate;
    ^~~~~~~~~
  /usr/local/lib/bison.cc:430:3: error: ISO C++17 does not allow 'register'
storage class specifier [-Wregister]
    register int yyn;
    ^~~~~~~~~
  /usr/local/lib/bison.cc:431:3: error: ISO C++17 does not allow 'register'
storage class specifier [-Wregister]
    register short *yyssp;
    ^~~~~~~~~
  /usr/local/lib/bison.cc:432:3: error: ISO C++17 does not allow 'register'
storage class specifier [-Wregister]
    register YY_HTMLParser_STYPE *yyvsp;
    ^~~~~~~~~

Add USE_CXXSTD=3Dgnu++98 to avoid these errors.

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