Hello Matthias,

The error message suggest architecture mismatch, are you sure that you've
installed 64-bit packages? By the way, instead of copying those files, you
could've altered OCAMLPATH:

$ export OCAMLPATH=/usr/lib64/ocaml:$OCAMLPATH

And one more thing, there's a wiki article on building XenAPI:
http://wiki.xen.org/xenwiki/XCP_Building_Instructions -- it's a bit outdated
but works for the most part.

--Sergei

On Thu, Jul 14, 2011 at 9:47 AM, Matthias Blankenhaus <
[email protected]> wrote:

> Hi !
>
> I am attempting to build xapi from scratch.  Thus, I started with
> xen-api-libs, downloading the sources from github.  Before starting my build
> I installed the following packges:
>
> # yum install ocaml ocaml-findlib ocaml-getopt ocaml-type-conv ocaml-xmlm
> omake ocaml-xmlm-devel
>
> I then got the following build error:
>
> make -C stdext
> ocamlfind: Package `type-conv' not found
> make[1]: Entering directory `/root/xen-api-libs/stdext'
> ocamlc -g -pp 'camlp4o -I ../rpc-light -I  pa_type_conv.cmo pa_rpc.cma' -I
> ../jsonrpc -I ../rpc-light -c -o fe.cmo fe.ml
> Camlp4: Uncaught exception: DynLoader.Error ("pa_rpc.cma", "file not found
> in path")
>
> File "fe.ml", line 1, characters 0-1:
>
>
> I realized that some of the caml pkgs were placed under /usr/lib/ocaml
> instead of /usr/lib64/ocaml:
>
> # ls /usr/lib/ocaml/
> getopt  type-conv  xmlm
>
> Next, I copied those dirs to /usr/lib64/ocaml.  This seems to have improved
> the situtation slightly as the type-conv module can now be found.  However,
> I now receive the following error:
>
> make[1]: Entering directory `/root/xen-api-libs/stdext'
> ocamlc -g -pp 'camlp4o -I ../rpc-light -I /usr/lib64/ocaml/type-conv
> pa_type_conv.cmo pa_rpc.cma' -I ../jsonrpc -I ../rpc-light -c -o fe.cmo
> fe.ml
> Camlp4: Uncaught exception: DynLoader.Error
> ("/usr/lib64/ocaml/type-conv/pa_type_conv.cmo",
> "/usr/lib64/ocaml/type-conv/pa_type_conv.cmo is not a bytecode object file")
>
> File "fe.ml", line 1, characters 0-1:
> Error: Preprocessor error
> make[1]: *** [fe.cmo] Error 2
> make[1]: Leaving directory `/root/xen-api-libs/stdext'
> make: *** [all] Error 2
>
>
> Your help is much appreciated.
>
> Matthias
>
>
>
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>
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