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    SubjectRe: Userspace compiler support of "long long"
    On Thursday 28 June 2007 00:30:52 Kyle Moffett wrote:
    > On Jun 27, 2007, at 13:32:40, Adrian Bunk wrote:
    > > AFAIR the Intel compiler claims to be gcc.
    > >
    > > But these are by far not the only C compilers under Linux, and the
    > > more important points are:
    > >
    > > Is there any userspace Linux compiler that does not support "long
    > > long"?
    > Don't know, but I'd guess not.

    Tendra C and probably lcc. I would guess tinycc too.

    > The only trick is if you care about building 32-bit compat code using
    > 64-bit linux kernel headers. In that case we should probably just
    > make all archs use "long long" for their 64-bit integers, unless
    > there's some platform I'm not remembering where "long long" is 128-
    > bits or bigger. The other benefit is that people could then just use
    > the printf format "%llu" for 64-bit integers instead of having to
    > conditionalize it all over the place.
    > I'm working on a patch now.

    Changing this will give you a zillion warnings for printk formats.


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