[ocaml-ctypes] Build error when compiling Ctypes on centos 5

Thomas Braibant thomas.braibant at gmail.com
Wed May 13 14:28:55 BST 2015


I am ashamed by this patch, but it seems to be a functional workaround...

https://github.com/cryptosense/ocaml-ctypes/commit/8be776abc7d805e1c09ca20b360607a7ff1f8fd6

On Wed, May 13, 2015 at 3:25 PM, Jeremy Yallop <yallop at gmail.com> wrote:

> On 13 May 2015 at 14:08, Thomas Braibant <thomas.braibant at gmail.com>
> wrote:
> > On Wed, May 13, 2015 at 3:03 PM, Jeremy Yallop <yallop at gmail.com> wrote:
> >> On 13 May 2015 at 13:51, Thomas Braibant <thomas.braibant at gmail.com>
> >> wrote:
> >> >
> /home/vagrant/ocamlbrew/ocaml-4.02.1/.opam/4.02.1+PIC/build/ctypes.0.4.0/src/ctypes/ctypes_primitives.h:99:3:
> >> > error: #error "No suitable OCaml type available for representing long
> >> > longs"
> >>
> >> That's odd.  Could you post the output of the following program?
> >
> > gcc c.c
> > c.c: In function ‘main’:
> > c.c:10: error: ‘ULLONG_MAX’ undeclared (first use in this function)
>
> Hmm.  I didn't realise that long long support was such a recent
> addition to GCC.  Do you know whether it supports any 64-bit integer
> types?  If it supports int64_t and uint64_t, for example, then you
> might be able to get quite far with running something like this on the
> ctypes code:
>
>    find . -name '*.c' -o -name '*.h' | xargs sed -i 's!unsigned long
> long!uint64_t!g; s!long long!int64_t!g; s!LLONG!INT64!g'
>
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