[yocto] Building BlueZ master from git in Yocto

[Luiz Augusto von Dentz]

Hi Alan,

On Wed, Mar 21, 2018 at 5:21 PM, Alan Martinovic
<alan.martinovic at senic.com> wrote:
> Started this issue a few days ago thinking it was a problem with
> the bluez flags. I guess it might still be given it tries to build obex
> even when it's been configured that is shouldn't...
>
> The exact issue seems to point it's a Yocto related
> or might be both (hence both lists). I have configured
> BlueZ to build without any flags.
>
> In terms of BlueZ code this means:
>
>     git clone https://git.kernel.org/pub/scm/bluetooth/bluez.git
>     cd bluez
>     ./bootstrap
>     make
>
> This is built correctly for x86.
>
> Trying to replicate that to Yocto, I've extended the recipe to
> not to pass any feature configuration flags:
>
>     $ bitbake bluez5 -e | grep EXTRA_OECONF
>     ...
>     EXTRA_OECONF=""
>
> Before hand did all the steps so that BlueZ is correctly pulled
> from master, and no patches from Yocto are applied to it.
>
> Building it with Yocto results in the mentioned error:
>
> | ../git/src/genbuiltin hostname wiimote autopair policy   a2dp avrcp
> network input hog  gap scanparam deviceinfo  battery > src/builtin.h
> | ../git/obexd/src/genbuiltin filesystem bluetooth  opp ftp irmc pbap
> mas mns > obexd/src/builtin.h
> | /bin/bash: obexd/src/builtin.h: No such file or directory
> | Makefile:9431: recipe for target 'obexd/src/builtin.h' failed
> | make: *** [obexd/src/builtin.h] Error 1
> | make: *** Waiting for unfinished jobs....
> | ERROR: oe_runmake failed
> | WARNING: exit code 1 from a shell command.

This should be fixed upstream, note that by having --disable-obex it
should no longer build obexd.

>
> It seems that for some reason in Yocto, make can't redirect into
> `obexd/src/builtin.h` while
> it does so successfully for native build.
>
> Open for comments/critics on how to diagnose this.... :)
>
> Be Well,
> Alan
>
>
>
>
>
> On Fri, Mar 16, 2018 at 5:13 PM, Luiz Augusto von Dentz
> <luiz.dentz at gmail.com> wrote:
>>
>> Hi Alan,
>>
>> On Fri, Mar 16, 2018 at 4:50 PM, Alan Martinovic
>> <alan.martinovic at senic.com> wrote:
>> > Hi,
>> > I'm trying to cross compile a BLE BlueZ master.
>> > Am having build issues pointing to obex.
>> > I'm building it using Yocto but have stripped it down
>> > to the essentials:
>> >
>> > ./configure
>> >   --build=x86_64-linux
>> >   --host=arm-linux-gnueabi
>> >   --target=arm-linux-gnueabi
>> >   --prefix=/usr
>> >   --exec_prefix=/usr
>> >   --bindir=/usr/bin
>> >   --sbindir=/usr/sbin
>> >   --libexecdir=/usr/libexec
>> >   --datadir=/usr/share
>> >   --sysconfdir=/etc
>> >   --sharedstatedir=/com
>> >   --localstatedir=/var
>> >   --libdir=/usr/lib
>> >   --includedir=/usr/include
>> >   --oldincludedir=/usr/include
>> >   --infodir=/usr/share/info
>> >   --mandir=/usr/share/man
>> >   --disable-silent-rules
>> >   --disable-dependency-tracking
>> >   --with-libtool-sysroot=/home/alan/senic-os/build/tmp-glibc/work/cortexa7hf-neon-vfpv4-senic-linux-gnueabi/bluez5/5.49+gitAUTOINC+969dfae9a7-r0/recipe-sysroot
>> >   --enable-test
>> >   --enable-datafiles
>> >   --enable-library
>> >   --enable-a2dp
>> >   --enable-avrcp
>> >   --disable-cups
>> >   --enable-deprecated
>> >   --disable-health
>> >   --enable-hid
>> >   --enable-hog
>> >   --disable-midi
>> >   --enable-network
>> >   --disable-nfc
>> >   --disable-obex
>> >   --enable-client
>> >   --disable-sap
>> >   --disable-sixaxis
>> >   --enable-systemd
>> >   --disable-testing
>> >   --disable-threads
>> >   --enable-tools
>> > make -j 16
>> >
>> > This results in a build error:
>> >
>> >  ../git/obexd/src/genbuiltin filesystem bluetooth  opp ftp  mas mns >
>> > obexd/src/builtin.h
>> >  /bin/bash: obexd/src/builtin.h: No such file or directory
>> >  Makefile:9431: recipe for target 'obexd/src/builtin.h' failed
>> >
>> >
>> > Given that I don't need it for BLE, what else is required
>> > besides "--disable-obex" to bypass this error?
>>
>> Obviously, it is a bug in the way we handle --disable-obex so we will
>> need to fix it.
>>
>> --
>> Luiz Augusto von Dentz
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-- 
Luiz Augusto von Dentz