Re: [Xen-devel] [BUGFIX][PATCH 1/1] xenlight_stubs.c: Allow it to build with ocaml 3.09.3

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

On 02/07/2014 09:51 PM, Don Slutz wrote:
> This code was copied from:
>
> http://docs.camlcity.org/docs/godisrc/oasis-ocaml-fd-1.1.1.tar.gz/ocaml-fd-1.1.1/lib/fd_stubs.c
>
> Signed-off-by: Don Slutz <dslutz@xxxxxxxxxxx>
Release-acked-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>

> ---
>   tools/ocaml/libs/xl/xenlight_stubs.c | 13 +++++++++++++
>   1 file changed, 13 insertions(+)
>
> diff --git a/tools/ocaml/libs/xl/xenlight_stubs.c 
> b/tools/ocaml/libs/xl/xenlight_stubs.c
> index 23f253a..8e825ae 100644
> --- a/tools/ocaml/libs/xl/xenlight_stubs.c
> +++ b/tools/ocaml/libs/xl/xenlight_stubs.c
> @@ -35,6 +35,19 @@
>   
>   #include "caml_xentoollog.h"
>   
> +/*
> + * Starting with ocaml-3.09.3, CAMLreturn can only be used for ``value''
> + * types. CAMLreturnT was only added in 3.09.4, so we define our own
> + * version here if needed.
> + */
> +#ifndef CAMLreturnT
> +#define CAMLreturnT(type, result) do { \
> +    type caml__temp_result = (result); \
> +    caml_local_roots = caml__frame; \
> +    return (caml__temp_result); \
> +} while (0)
> +#endif
> +
>   /* The following is equal to the CAMLreturn macro, but without the return */
>   #define CAMLdone do{ \
>   caml_local_roots = caml__frame; \

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