[U-Boot] Swig now required to build U-Boot?

[Simon Glass]

Hi Stephen,

On 8 December 2017 at 16:57, Stephen Warren <swarren at wwwdotorg.org> wrote:
> On 12/08/2017 04:53 PM, Simon Glass wrote:
>>
>> Hi Stephen,
>>
>> On 8 December 2017 at 16:28, Stephen Warren <swarren at wwwdotorg.org> wrote:
>>>
>>> Simon,
>>>
>>> Is it expected that the latest u-boot-dm.git master branch now requires
>>> swig? All the non-sandbox builds on my test systems are failing:
>>>
>>>    CHK     include/config/uboot.release
>>>    CHK     include/generated/timestamp_autogenerated.h
>>>    GEN     ./Makefile
>>>    UPD     include/generated/timestamp_autogenerated.h
>>>    CHK     include/config.h
>>>    CFG     u-boot.cfg
>>>    SHIPPED scripts/dtc/pylibfdt/libfdt.i
>>>    PYMOD   scripts/dtc/pylibfdt/_libfdt.so
>>> unable to execute 'swig': No such file or directory
>>> error: command 'swig' failed with exit status 1
>>> make[4]: *** [scripts/dtc/pylibfdt/_libfdt.so] Error 1
>>> make[3]: *** [scripts/dtc/pylibfdt] Error 2
>>> make[2]: *** [scripts/dtc] Error 2
>>> make[1]: *** [scripts] Error 2
>>> make[1]: *** Waiting for unfinished jobs....
>>
>>
>> Yes, unless we have a very recent libfdt on the system (and even then
>> I'm not sure that it is picked up). We need swig to build pylibfdt
>> which is needed for binman.
>
>
> Which version of swig is required? (Perhaps the makefile could check for the
> required minimum version and bail out early with a mesage, like it does for
> dtc and gcc?)
>
> I have 2.0.11 available in the distro package repository, but I see that
> 3.0.x exists on swig.org. I hope I can get away with installing the standard
> OS package.

Yes v2 should be fine. I have:

$ swig -version

SWIG Version 2.0.11

Compiled with g++ [x86_64-unknown-linux-gnu]

Configured options: +pcre

Please see http://www.swig.org for reporting bugs and further information

Regards,
Simon