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    Mingw build using dwarf2 exceptions?!!!

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    • G
      geneing last edited by

      I installed Qt 4.6.3 libraries (mingw build) from Qt web site.

      As I understand they are compiled to use dwarf 2 exceptions instead of sjlj exceptions. However, dwarf 2 exceptions are not portable under windows. Will the exception mechanism be changed in the future releases?

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      • F
        Franzk last edited by

        Qt has no direct influence on that. The choice of throwing dwarf exceptions is made at MinGW:

        From their "release notes":http://sourceforge.net/project/shownotes.php?release_id=691876
        [quote]
        4. NEW FEATURES SINCE MINGW GCC 3.4

        Windows-specific:--

        [...]

        • Zero cost exceptions: New exception model Dwarf only has performance penalty when being thrown. The old model, SJLJ, is no longer available.
          [/quote]

        "Horse sense is the thing a horse has which keeps it from betting on people." -- W.C. Fields

        http://www.catb.org/~esr/faqs/smart-questions.html

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