[Ovmsdev] Development on FreeBSD

[Michael Balzer]

Craig, welcome :)

I've added your updates to the developer doc.

Regards,
Michael

Am 23.06.2018 um 21:49 schrieb Craig Leres:
> Initially I got a build environment up on a spare ubuntu system. But I wanted to work under FreeBSD so I wrote FreeBSD port for the tool chain:
>
>     https://www.freshports.org/devel/xtensa-esp32-elf/
>
> My ubuntu system says:
>
>     sea 1 % xtensa-esp32-elf-gcc --version
>     xtensa-esp32-elf-gcc (crosstool-NG crosstool-ng-1.22.0-80-g6c4433a) 5.2.0
>
> And FreeBSD says:
>
>     ice 250 % xtensa-esp32-elf-gcc --version
>     xtensa-esp32-elf-gcc (crosstool-NG crosstool-ng-1.22.0-80-g6c4433a5) 5.2.0
>
> So I believe I have the same version. To make the tool chain available I used:
>
>     mkdir ~/esp
>     ln -s ../../../../../usr/local/xtensa-esp32-elf ~/esp
>
> A bonus of having the toolchain under FreeBSD is that (with a little work) it should be possible to build esp32 arduino sketches (which BTW is where all of my
> previous esp8266 and esp32 experience is).
>
> In the process of getting this up I ran into a few rough edges.
>
> First, on FreeBSD libintl.a is part of the gettext-runtime and installs with /usr/local as the PREFIX. Attached is the change I made to
> esp-idf/tools/kconfig/Makefile. It makes more sense to me to use -I and -L based on what files are found rather than keying off OS/OSNAME but I can't easily
> test this change on Windows. If this looks ok I can generate a pull request.
>
> I had trouble getting a working copy esp-idf. The developer guide says to check out remotes/origin/release/v2.1 but that version was giving C errors.
> Eventually I diff'ed against the copy I had on ubuntu and found this to be a good set of instructions:
>
>     git clone https://github.com/openvehicles/esp-idf.git
>     cd esp-idf
>     git submodule update --init
>
> I assume the v2.1 step is obsolete. When I need to update it I use:
>
>     git pull
>     git submodule update
>
> (If correct) I think this would worth adding to the developers guide. (I have to admit I'm pretty inexperienced with git; a majority of the work I do is with
> subversion.)
>
> The developers guid says to:
>
>     cp sdkconfig.default sdkconfig
>
> This should be updated to
>
>     cp support/sdkconfig.default.hw31 sdkconfig
>
> And there are a lot of new options missing from support/sdkconfig.default.hw31. Maybe the guide should say, "using the defaults is usually safe." (Would it be
> possible to automatically generate a version of sdkconfig using the defaults and not asking any questions?)
>
> I cloned Open-Vehicle-Monitoring-System-3 and to update it I've been using:
>
>     git fetch upstream
>     git checkout master
>     git merge upstream/master
>     git push
>
> My module is currently running:
>
>     3.1.007-2-gc3e62cc-dirty/ota_0/main (build idf v3.1-dev-987-g55d915e9-dirty Jun 23 2018 12:04:27)
>
> built on a FreeBSD 11.1-RELEASE system.
>
>         Craig
>
> P.S. Thanks to Steve for all the offline help.
>
>
> _______________________________________________
> OvmsDev mailing list
> OvmsDev at lists.openvehicles.com
> http://lists.openvehicles.com/mailman/listinfo/ovmsdev

-- 
Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26

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