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PS: if -build-dir didn't work for some reason, you could also consider
simply copying _build into wherever you expect it to go after
ocamlbuild builds.
On Tue, Sep 22, 2015 at 9:49 AM, Gabriel Scherer
<[email protected]> wrote:
> I would try playing with the -build-dir command-line option of
> ocamlbuild, to specify where you want to build output to be placed.
> Admittedly most people use the default configuration of building in
> ./_build, so I wouldn't be too surprised if there were some rough
> edges with the rarer case of a build directory outside the ocamlbuild
> project's relative hierarchy.
>
> If you had a minimum reproduction setting, an archive with a simple
> root CMake project and a small ocamlbuild sub-project to play with,
> that could be interesting for testing and documenting this usage
> scenario.
>
> On Tue, Sep 22, 2015 at 9:37 AM, Magnus Therning [email protected]
> [ocaml_beginners] <[email protected]> wrote:
>> On Thu, Sep 17, 2015 at 11:59:25PM +0200, Gabriel Scherer [email protected] [ocaml_beginners] wrote:
>>> >
>>> > So far I've simply run `corebuild` (a simple wrapper around
>>> > `ocamlbuild`), but that leaves some build stuff in the source folder
>>> > (that sort of breaks with CMake's tradition of building
>>> > out-of-source).
>>>
>>>
>>> I'm fairly surprised by this, as ocamlbuild takes care to produce all
>>> target outputs in a separate folder (the _build subdirectory). Could
>>> you say more about what you are doing, what happens and what you
>>> expect?
>>
>> Don't be surprised, I'm being unclear!
>>
>> This is what I mean: it won't let me decide where to build.
>>
>> I have a large-ish C/C++ project that uses CMake to build. In a
>> sub-subfolder I have put the OCaml source for a test utility
>> (`src/utils/tool/`). Following CMake best practices I create a build
>> folder at the top of the project and run `cmake ..` in it to generate
>> make files. This is what I need to hook into. CMake has support for
>> what they call external projects[1], which is how I hook in the OCaml
>> building. However, I haven't found any way of controlling where the
>> build artefacts end up, `corebuild` puts all stuff in
>> `src/utils/tool/_build/` whereas I want it somewhere under `_build` (to
>> follow the CMake example I want it in `_build/src/utils/tool`).
>>
>> In short:
>>
>> 1. I run builds in `_build`
>> 2. I want all built artefacts to end up under `_build`
>> 3. I haven't found a way to make `ocamlbuild` build in that way
>>
>> /M
>>
>> [1]: http://www.cmake.org/cmake/help/v3.3/module/ExternalProject.html
>>
>> --
>> Magnus Therning OpenPGP: 0xAB4DFBA4
>> email: [email protected] jabber: [email protected]
>> twitter: magthe http://therning.org/magnus
>>
>> Time is a great teacher, but unfortunately it kills all its pupils.
>> -- Hector Louis Berlioz
>>
>>
>> [Non-text portions of this message have been removed]
>>
>>
>>
>> ------------------------------------
>> Posted by: Magnus Therning <[email protected]>
>> ------------------------------------
>>
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