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    <p>There are some things I'm trying to do in setting up a config
      file for the FCGI2 library:<br>
      <a class="moz-txt-link-freetext" href="https://github.com/FastCGI-Archives/fcgi2.git">https://github.com/FastCGI-Archives/fcgi2.git</a><br>
      <br>
      And in going from an autoconf configuration to a CMake
      configuration there are some stumpers:</p>
    <blockquote>
      <p>/* Define if the fpos_t typedef is in stdio.h */<br>
        /* #undef HAVE_FPOS */<br>
      </p>
    </blockquote>
    <p>This is definitely defined, but the closest module that's
      applicable is CheckTypeSize, and this doesn't seem to work:<br>
          set(CMAKE_EXTRA_INCLUDE_FILES stdio.h)<br>
          CHECK_TYPE_SIZE("fpos_t" HAVE_FPOS)<br>
          set(CMAKE_EXTRA_INCLUDE_FILES)</p>
    <p>And this one, I wouldn't be able to handle without writing a
      custom test.<br>
          /* Define if va_arg(arg, long double) crashes the compiler */<br>
          /* #undef HAVE_VA_ARG_LONG_DOUBLE_BUG */<br>
      <br>
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