Explain why we are making gcc 3.3 work

      analysis by Martin Hebnes Pedersen.

    - Preprocessor directives should not be put inside the arguments

      of a macro. This would break compilation with GCC releases prior

      to version 3.3. Bugfix on 0.2.3.3-alpha, fixes the other part of

      bug 4727. Patch and analysis by Martin Hebnes Pedersen.

      to version 3.3. We would never recommend such an old GCC

      version, but it is apparently required for binary compatibility

      on some platforms (namely, certain builds of Haiku). Bugfix on

      0.2.3.3-alpha, fixes the other part of bug 4727. Patch and

      analysis by Martin Hebnes Pedersen.