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Re: [MirageOS-devel] has anyone successfully used fat and xen together?

On Fri, Jan 17, 2014 at 8:32 PM, Richard Mortier <Richard.Mortier@xxxxxxxxxxxxxxxx> wrote:
if so, how? :)

I have, but before all the recent tooling improvements.

specifically-- configuring with `MODE=xen` and `FS_MODE=fat` causes installation of `fat-filesystem` and thus `mirage-block-unix`. when i then execute a build i end up with:

mort-www     + ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -package mirage.types-xen -package mirage-http-xen -package mirage-console-xen -package mirage-block-xen.front -package mirage-block-unix -package io-page-xen -package io-page-unix -package fat-filesystem -package cowabloga -package cow.syntax -package lwt.syntax -syntax camlp4o site_config.cmx posts.cmx page.cmx blog.cmx courses.cmx papers.cmx site.cmx server.cmx main.cmx -o main.native.o
mort-www     findlib: [WARNING] Interface block.cmi occurs in several directories: /home/mort/.opam/mirage-xen/lib/mirage-block-unix, /home/mort/.opam/mirage-xen/lib/mirage-block-xen
mort-www     findlib: [WARNING] Interface io_page.cmi occurs in several directories: /home/mort/.opam/mirage-xen/lib/io-page-unix, /home/mort/.opam/mirage-xen/lib/io-page-xen
mort-www     File "_none_", line 1:
mort-www     Error: No implementations provided for the following modules:
mort-www              Unix referenced from /home/mort/.opam/mirage-xen/lib/lwt/lwt-unix.cmxa(Lwt_engine),
mort-www                /home/mort/.opam/mirage-xen/lib/lwt/lwt-unix.cmxa(Lwt_unix),
mort-www                /home/mort/.opam/mirage-xen/lib/mirage-block-unix/mirage_block_unix.cmxa(Block)

Referencing Unix is not going to work :)

I checked the META file for fat-filesystem, it depends on:
requires = "cstruct re re.str mirage-types lwt"
I think we need to track down where mirage-block-unix is coming from.

A second observation is that I recently merged Thomas' io-page improvement, so you can now just use "io-page" instead of "io-page-xen". The old package should work though; I don't think this is related to your problem.
mort-www     Command exited with code 2.
mort-www     make[1]: Leaving directory `/home/mort/mirage/mort-www/src'
[ERROR]      The command "make build" exited with code 2.

i'm using thomas' new combinator branch of mirage.

this is a bit of a blocker for me -- my website is on the large side to be crunched (150MB .ml file anyone?) so i'd hoped that FAT would save me...

i see the same issue with mirage-www too, and the use of crunch for the live site (afaics) suggests to me that fat might not be supported.

(and yes, for the time being i will store the relevant bits of content out of the site and href them from the site itself, but that seems like a bit of a cop-out given we're intending to demo this at fosdem in 2 weeks... :)



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