Raspberry PI support...
Gilles Caulier
caulier.gilles at gmail.com
Fri Sep 11 20:34:21 BST 2020
Hi
As I explained before.you don’t need to run ./installdeps.sh on pi.
Raspianos has already all the dependencies available to install with
apt-get, no more and the list is given I the digikam api doc section for
developers
Best
Gilles caulier
Le ven. 11 sept. 2020 à 18:44, Tonio Kroeger <tonio.kroeger1903 at gmail.com>
a écrit :
> I am still working on it.
>
> sudo ./installdeps.sh never came back. The last info I got is:
>
> test config.qtwebengine_buildtools.libraries.webengine-libxml2 succeeded
> Checking for minizip...
> Trying source 0 (type pkgConfig) of library webengine-minizip ...
> + /usr/bin/pkg-config --exists --silence-errors minizip
> pkg-config did not find package.
> => source produced no result.
> test config.qtwebengine_buildtools.libraries.webengine-minizip FAILED
> Checking for system ninja...
> Found ninja from path: /usr/sbin/ninja
> + /usr/sbin/ninja --version
>
> and the ninja-command never came back...
>
> - TK
>
>
> On Thu, Sep 10, 2020 at 10:01 AM Tonio Kroeger <
> tonio.kroeger1903 at gmail.com> wrote:
>
>> > For the second step I had no idea what paths to configure for what
>> config file. Anyway, from your mail I concluded I can do without the steps
>> 2 and 3.
>>
>> I found the paths. It started running now. Sorry for producing
>> unnecessary traffic. (For my next steps I assume /usr/lib/qt5/ is my
>> "qt-path" and not something unter /opt)
>>
>> -TK
>>
>> On Thu, Sep 10, 2020 at 9:27 AM Tonio Kroeger <
>> tonio.kroeger1903 at gmail.com> wrote:
>>
>>> Hi,
>>>
>>> thanks a lot! I
>>>
>>> From the git-md-readme: to setup computer you need to:
>>>
>>> - run as root the "preparehost" script for your operating system.
>>> - configure paths to use in config file.
>>> - run the installdeps script and take a coffee.
>>>
>>> I ran sudo ./preparehost-raspberryos.sh and it worked fine.
>>> For the second step I had no idea what paths to configure for what
>>> config file. Anyway, from your mail I concluded I can do without the steps
>>> 2 and 3.
>>>
>>> Unfortunately when compiling digikam I get
>>>
>>> ./bootstrap.linux
>>> qtpaths: could not exec '/usr/lib/qt5/bin/qtpaths': No such file or
>>> directory
>>> FAILED COMMAND: QT_INSTALL_PREFIX=`qtpaths --install-prefix`
>>>
>>> This somehow reminds me of the "configure path" above. So I am missing
>>> something here. I tried hard but I have no clue. Seems to be some general
>>> configuration in the sense of "where is qt". It is probably absolutely
>>> obvious for you folks but for me who never came in touch with qt I do not
>>> even know where to search for a solution...
>>>
>>> Thanks
>>>
>>> TK
>>>
>>> On Mon, Sep 7, 2020 at 10:24 AM Gilles Caulier <caulier.gilles at gmail.com>
>>> wrote:
>>>
>>>> Hi,
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On the PI there is nothing special to customize in the configuration,
>>>>
>>>>
>>>> you need only to install package with apt-get, typically this list :
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> https://github.com/cgilles/digikam-install-deps/blob/master/preparehost-raspberryos.sh
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> From this list you don't need to remove something (see the bottom of
>>>>
>>>>
>>>> this file). The script is used to also recompile the mast version of
>>>>
>>>>
>>>> Qt, but you can use the PI based OS packages as well.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> digiKam use a lots of memory and CPU computations. My PI is the last
>>>>
>>>>
>>>> version with 8Gb and 4 cores. I recommend using this model. You can
>>>>
>>>>
>>>> use a 4Gb version if your collection is not too big....
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> To host collection use an external SSD of course, connected on USB3
>>>>
>>>>
>>>> port. It work like a charm.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> Best
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> Gilles Caulier
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> Le lun. 7 sept. 2020 à 03:22, Tonio Kroeger
>>>>
>>>>
>>>> <tonio.kroeger1903 at gmail.com> a écrit :
>>>>
>>>>
>>>> >
>>>>
>>>>
>>>> > Hi Gilles,
>>>>
>>>>
>>>> >
>>>>
>>>>
>>>> > that is great news! Can you give a hint/link to what are the
>>>> prerequisites on the raspi? I really struggled with it. Installed a lot of
>>>> stuff I had no idea what it was. In the end my (headless) raspi did not
>>>> boot anymore...
>>>>
>>>>
>>>> >
>>>>
>>>>
>>>> > Would be absolutely great to have digikam on the raspi!
>>>>
>>>>
>>>> >
>>>>
>>>>
>>>> > Thanks
>>>>
>>>>
>>>> >
>>>>
>>>>
>>>> > TK
>>>>
>>>>
>>>> >
>>>>
>>>>
>>>> > On Sun, Jun 7, 2020 at 11:27 AM Gilles Caulier <
>>>> caulier.gilles at gmail.com> wrote:
>>>>
>>>>
>>>> >>
>>>>
>>>>
>>>> >> Hi all,
>>>>
>>>>
>>>> >>
>>>>
>>>>
>>>> >> I bought the last PI version 4 B, with 4 core ARM 64 bits and 8Gb of
>>>> RAM.
>>>>
>>>>
>>>> >>
>>>>
>>>>
>>>> >> compared to older PI 3 mono core 1 Gb, this version rock really and
>>>>
>>>>
>>>> >> fully suitable with Plasma desktop.
>>>>
>>>>
>>>> >>
>>>>
>>>>
>>>> >> Compared to version 3, version 4 compiles the whole digiKam from
>>>>
>>>>
>>>> >> scratch in less than one hour. Under version 3, it's more than 10
>>>>
>>>>
>>>> >> hours....
>>>>
>>>>
>>>> >>
>>>>
>>>>
>>>> >> Expected for the Opengl API, all compile fine. I will investigate why
>>>>
>>>>
>>>> >> libgl API do not export right functions, even if all include files
>>>> are
>>>>
>>>>
>>>> >> installed...
>>>>
>>>>
>>>> >>
>>>>
>>>>
>>>> >> I also made a small patch to compile Exiv2 under ARM. I PR my patch
>>>>
>>>>
>>>> >> but, as usual, it's always complicated with Robin to propose changes
>>>>
>>>>
>>>> >> in the Exiv2 project even if the patch is very small.. I think the
>>>>
>>>>
>>>> >> problem is a human one...
>>>>
>>>>
>>>> >>
>>>>
>>>>
>>>> >> https://github.com/Exiv2/exiv2/pull/1231
>>>>
>>>>
>>>> >>
>>>>
>>>>
>>>> >> digiKam under ARM report alignment of data warnings, especially with
>>>>
>>>>
>>>> >> DImg API, like this :
>>>>
>>>>
>>>> >>
>>>>
>>>>
>>>> >> /home/gilles/Documents/7.x/core/libs/dimg/dimg_scale.cpp: In member
>>>>
>>>>
>>>> >> function ‘Digikam::DImg Digikam::DImg::smoothScaleClipped(int, int,
>>>>
>>>>
>>>> >> int, int, int, int) const’:
>>>>
>>>>
>>>> >> /home/gilles/Documents/7.x/core/libs/dimg/dimg_scale.cpp:231:81:
>>>>
>>>>
>>>> >> warning: cast from ‘uchar*’ {aka ‘unsigned char*’} to ‘ullong*’ {aka
>>>>
>>>>
>>>> >> ‘long long unsigned int*’} increases required alignment of target
>>>> type
>>>>
>>>>
>>>> >> [-Wcast-align]
>>>>
>>>>
>>>> >> dimgScaleAARGBA16(scaleinfo,
>>>>
>>>>
>>>> >> reinterpret_cast<ullong*>(buffer.bits()),
>>>>
>>>>
>>>> >>
>>>>
>>>>
>>>> >> ^
>>>>
>>>>
>>>> >> /home/gilles/Documents/7.x/core/libs/dimg/dimg_scale.cpp:237:80:
>>>>
>>>>
>>>> >> warning: cast from ‘uchar*’ {aka ‘unsigned char*’} to ‘ullong*’ {aka
>>>>
>>>>
>>>> >> ‘long long unsigned int*’} increases required alignment of target
>>>> type
>>>>
>>>>
>>>> >> [-Wcast-align]
>>>>
>>>>
>>>> >> dimgScaleAARGB16(scaleinfo,
>>>>
>>>>
>>>> >> reinterpret_cast<ullong*>(buffer.bits()),
>>>>
>>>>
>>>> >>
>>>>
>>>>
>>>> >> ^
>>>>
>>>>
>>>> >> /home/gilles/Documents/7.x/core/libs/dimg/dimg_scale.cpp:246:77:
>>>>
>>>>
>>>> >> warning: cast from ‘uchar*’ {aka ‘unsigned char*’} to ‘uint*’ {aka
>>>>
>>>>
>>>> >> ‘unsigned int*’} increases required alignment of target type
>>>>
>>>>
>>>> >> [-Wcast-align]
>>>>
>>>>
>>>> >> dimgScaleAARGBA(scaleinfo,
>>>> reinterpret_cast<uint*>(buffer.bits()),
>>>>
>>>>
>>>> >>
>>>> ^
>>>>
>>>>
>>>> >> /home/gilles/Documents/7.x/core/libs/dimg/dimg_scale.cpp:252:76:
>>>>
>>>>
>>>> >> warning: cast from ‘uchar*’ {aka ‘unsigned char*’} to ‘uint*’ {aka
>>>>
>>>>
>>>> >> ‘unsigned int*’} increases required alignment of target type
>>>>
>>>>
>>>> >> [-Wcast-align]
>>>>
>>>>
>>>> >> dimgScaleAARGB(scaleinfo,
>>>> reinterpret_cast<uint*>(buffer.bits()),
>>>>
>>>>
>>>> >>
>>>> ^
>>>>
>>>>
>>>> >> /home/gilles/Documents/7.x/core/libs/dimg/dimg_scale.cpp: In member
>>>>
>>>>
>>>> >> function ‘Digikam::DImg Digikam::DImg::smoothScaleSection(int, int,
>>>>
>>>>
>>>> >> int, int, int, int) const’:
>>>>
>>>>
>>>> >> /home/gilles/Documents/7.x/core/libs/dimg/dimg_scale.cpp:338:81:
>>>>
>>>>
>>>> >> warning: cast from ‘uchar*’ {aka ‘unsigned char*’} to ‘ullong*’ {aka
>>>>
>>>>
>>>> >> ‘long long unsigned int*’} increases required alignment of target
>>>> type
>>>>
>>>>
>>>> >> [-Wcast-align]
>>>>
>>>>
>>>> >> dimgScaleAARGBA16(scaleinfo,
>>>>
>>>>
>>>> >> reinterpret_cast<ullong*>(buffer.bits()),
>>>>
>>>>
>>>> >>
>>>>
>>>>
>>>> >> ^
>>>>
>>>>
>>>> >> /home/gilles/Documents/7.x/core/libs/dimg/dimg_scale.cpp:346:80:
>>>>
>>>>
>>>> >> warning: cast from ‘uchar*’ {aka ‘unsigned char*’} to ‘ullong*’ {aka
>>>>
>>>>
>>>> >> ‘long long unsigned int*’} increases required alignment of target
>>>> type
>>>>
>>>>
>>>> >> [-Wcast-align]
>>>>
>>>>
>>>> >> dimgScaleAARGB16(scaleinfo,
>>>>
>>>>
>>>> >> reinterpret_cast<ullong*>(buffer.bits()),
>>>>
>>>>
>>>> >>
>>>>
>>>>
>>>> >> ^
>>>>
>>>>
>>>> >> /home/gilles/Documents/7.x/core/libs/dimg/dimg_scale.cpp:358:66:
>>>>
>>>>
>>>> >> warning: cast from ‘uchar*’ {aka ‘unsigned char*’} to ‘uint*’ {aka
>>>>
>>>>
>>>> >> ‘unsigned int*’} increases required alignment of target type
>>>>
>>>>
>>>> >> [-Wcast-align]
>>>>
>>>>
>>>> >> reinterpret_cast<uint*>(buffer.bits()),
>>>>
>>>>
>>>> >> ^
>>>>
>>>>
>>>> >> /home/gilles/Documents/7.x/core/libs/dimg/dimg_scale.cpp:367:65:
>>>>
>>>>
>>>> >> warning: cast from ‘uchar*’ {aka ‘unsigned char*’} to ‘uint*’ {aka
>>>>
>>>>
>>>> >> ‘unsigned int*’} increases required alignment of target type
>>>>
>>>>
>>>> >> [-Wcast-align]
>>>>
>>>>
>>>> >> reinterpret_cast<uint*>(buffer.bits()),
>>>>
>>>>
>>>> >> ^
>>>>
>>>>
>>>> >> /home/gilles/Documents/7.x/core/libs/dimg/dimg_scale.cpp: In function
>>>>
>>>>
>>>> >> ‘Digikam::DImgScale::DImgScaleInfo*
>>>>
>>>>
>>>> >> Digikam::DImgScale::dimgCalcScaleInfo(const Digikam::DImg&, int, int,
>>>>
>>>>
>>>> >> int, int, bool)’:
>>>>
>>>>
>>>> >> /home/gilles/Documents/7.x/core/libs/dimg/dimg_scale.cpp:521:80:
>>>>
>>>>
>>>> >> warning: cast from ‘uchar*’ {aka ‘unsigned char*’} to ‘ullong*’ {aka
>>>>
>>>>
>>>> >> ‘long long unsigned int*’} increases required alignment of target
>>>> type
>>>>
>>>>
>>>> >> [-Wcast-align]
>>>>
>>>>
>>>> >> isi->ypoints16 =
>>>>
>>>>
>>>> >> dimgCalcYPoints16(reinterpret_cast<ullong*>(img.bits()), img.width(),
>>>>
>>>>
>>>> >> img.height(), sch);
>>>>
>>>>
>>>> >>
>>>>
>>>>
>>>> >> ^
>>>>
>>>>
>>>> >> /home/gilles/Documents/7.x/core/libs/dimg/dimg_scale.cpp:526:76:
>>>>
>>>>
>>>> >> warning: cast from ‘uchar*’ {aka ‘unsigned char*’} to ‘uint*’ {aka
>>>>
>>>>
>>>> >> ‘unsigned int*’} increases required alignment of target type
>>>>
>>>>
>>>> >> [-Wcast-align]
>>>>
>>>>
>>>> >> isi->ypoints =
>>>>
>>>>
>>>> >> dimgCalcYPoints(reinterpret_cast<uint*>(img.bits()), img.width(),
>>>>
>>>>
>>>> >> img.height(), sch);
>>>>
>>>>
>>>> >>
>>>>
>>>>
>>>> >> Voilà, work in progress
>>>>
>>>>
>>>> >>
>>>>
>>>>
>>>> >> Gilles caulier
>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>
> --
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