Kendall Bennett wrote:
>
> Hi All,
>
> We are starting to try and integrate the latest CVS sources into our
> MGL graphics library, but are having a hell of a time getting the
> code to compile properly. Specifically we are building the code using
> the Watcom C++ 11.0 compiler, and are running into problems with
> badly used token pasting and compiler warnings all over the place. Is
> anyone actually building the latest CVS sources on a regular basis
> with compilers other than GNU C on Linux? I certainly didn't expect
> to see these types of problems rampant throughout the latest CVS
> sources.
>
> The problem with token pasting is simple to fix. The code is
> currently constructed like so:
>
> #define TAB(x) blah_blah_##x##_table
>
> and used like so:
>
> TAB(4ub);
>
> The problem with this is that the '4ub' value passed to the macro is
> interpeted by many compilers as the unsigned value 4 followed by the
> character b. The solution to this problem (and what we do in our code
> where we do this type of thing) is to always use an underscore in
> front of the names passed to macros that use token pasting:
>
> #define TAB(x) blah_blah##x##_table
>
> TAB(_4ub);
>
> We are changing our sources to fix this, but I don't have CVS set up
> on the machine that we are doing this with at the moment. Hence it
> would be appreciated if this change could be made to the CVS sources.
Sounds like a reasonable change. I'm kind of busy with other things
though. Anyone else?
> As for the compiler warnings, when I get some time I will look into
> the problems and figure out how to work around them to get a clean
> build.
I had been building regularly on IRIX and that often caught problems
that gcc didn't. However, I don't have a compiler on my O2 at this
time.
If anyone else has access to non-GNU compilers, I encourage you to
compile Mesa and see if there's problems.
-Brian
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