[Caml-list] Flexdll circular dependency fix uses system provided flexdll.h [was: opam-cross-windows]

["Soegtrop, Michael" <michael.soegtrop@intel.com>]

Dear David,

I just managed now to test the flexdll dependency fix in 4.03.0 you mentioned in your post from March 15th:

>  1. Ensure FlexDLL sources are in flexdll/ in the OCaml build tree
>	1a. If you're building from a git clone, issue git submodule update --init
>	1b. If you're building from a sources tarball, issue git clone > https://github.com/alainfrisch/flexdll.git
> 2. Follow usual configuration steps in config/
> 3. make -f Makefile.nt flexdll world opt opt.opt install

It is much better than it was, but I think there is still a minor flaw in it. When compiling byterun/win32.c (from asmrun) in the make opt phase, it doesn't find flexdll.h because gcc doesn't have an -I ../flexdll. If I copy flexdll.h to a system include directory it works fine. Is it possible that you had a flexdll.h somewhere and the build took it from there rather than from the flexdll subfolder when you tried this?

Also I think specific versions of OCaml should copy specific versions of flexdll. A git clone of the trunk version might lead to unexpected effects in the future and it might be hard to reconstruct older OCaml versions later.

Best regards,

Michael
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