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Sergei,

thanx for the OCAMLPATH hint. BTW, I've installed the ocaml pkg via yum on a CentOS 6/64bit system assuming that the "right" pieces would be pulled down automatically.

I've tried building xen-api using the instruction that you've referred too. I have tried it on CentOS 6 / 64bit and it did not work. The page provides info about how to build it under CentOS 5.5 / 32bit. And mentions toward the end that with the help of "mock" xen-api could be build on different systems. It then continues to say that info about mock will be provided later on.

I guess that's where I am stuck.

Matthias

--- On Thu, 7/14/11, Sergei Lebedev <superbobry@xxxxxxxxx> wrote:

From: Sergei Lebedev <superbobry@xxxxxxxxx>
Subject: Re: [Xen-API] api-xen-lib build error
To: "Matthias Blankenhaus" <matthiasblankenhaus@xxxxxxxxx>
Cc: xen-api@xxxxxxxxxxxxxxxxxxx
Date: Thursday, July 14, 2011, 3:03 AM

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thing, there's a wiki article on building XenAPI: http://wiki.xen.org/xenwiki/XCP_Building_Instructions -- it's a bit outdated but works for the most part.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 <matthiasblankenhaus@xxxxxxxxx> 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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