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[digiKam-users] Compiling digikam and exiv2

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[digiKam-users] Compiling digikam and exiv2

woenx
Hello,

First of all, sorry if that has been answered somewhere else. I read other
threads about compiling digikam in this mailing list, but I couldn't manage
to do it myself.

I am trying to compile digikam from source in an Ubuntu 18.04 installation,
in order to create up to date .deb packages (and also be able to try myself
the changes introduced by the GSoC2019). However, I seem to be experiencing
some problems, especially regarding the exiv2 package.

I start from a fresh ubuntu 10.04.2 LTS amd64 install in a virtual machine.
I try to follow the instructions at https://www.digikam.org/download/git/,
but the problem comes when ./bootstrap.linux can't find the exiv2 package
installed.

In theory, it needs exiv2 0.26 or newer (the lastest version in their
repository seems to be 0.27). I first tried using the already compiled
version of exiv2 and libexiv2-26 for debian (version 0.26-1), but Digikam's
compilation script does not seem to detect them.

Then I tried to do the right thing and compile exiv2 myself. It seems to
compile just right using their instructions
(https://dev.exiv2.org/projects/exiv2/wiki/Building_on_Ubuntu_using_Cmake)
but using their github (https://github.com/Exiv2/exiv2.git) instead of the
svn repository. Same result, when I run ./bootstrap.linux, the script does
not seem to detect exiv2 in the system.

I also read somewhere in this mailing list that a custom CMakeLists.txt file
(https://cgit.kde.org/digikam.git/tree/project/bundles/3rdparty/ext_exiv2/CMakeLists.txt)
should be used to build exiv2, but I don't know how exactly how to use it.

Can someone lend me a hand? Thanks in advance.

PS: I won't mind sharing the whole virtual machine as a pre-configured build
environment for Ubuntu once everything works just fine.



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Gilles Caulier-4
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Re: Compiling digikam and exiv2

Gilles Caulier-4


Le mar. 25 juin 2019 à 14:48, woenx <[hidden email]> a écrit :
Hello,

First of all, sorry if that has been answered somewhere else. I read other
threads about compiling digikam in this mailing list, but I couldn't manage
to do it myself.

I am trying to compile digikam from source in an Ubuntu 18.04 installation,
in order to create up to date .deb packages (and also be able to try myself
the changes introduced by the GSoC2019). However, I seem to be experiencing
some problems, especially regarding the exiv2 package.

I start from a fresh ubuntu 10.04.2 LTS amd64 install in a virtual machine.
I try to follow the instructions at https://www.digikam.org/download/git/,
but the problem comes when ./bootstrap.linux can't find the exiv2 package
installed.

In theory, it needs exiv2 0.26 or newer (the lastest version in their
repository seems to be 0.27). I first tried using the already compiled
version of exiv2 and libexiv2-26 for debian (version 0.26-1), but Digikam's
compilation script does not seem to detect them.

0.27 is highly recommended.

The detection of library is in this cmake script :


 Under Linux, the PKGConfig files are parsed to detect the library installation. Sound like under Ubuntu this standard is not well respected (another one, but you must know that i dislike this Linux box, and i wont said i 'hate' ubuntu...).

To compile the Exiv2 library, look my script given here :


This one is optimized to only compile the minimum for digiKam and disable the unstable code from the library. I compile current code from Exiv2, where API have been broken for next 0.28. digiKam core have been fixed to support this API (there is no API transition stage in Exiv2 (:=)))). As Exiv2 API are strictly used in limited area in digiKam core, this limit the maintenance to the minimum.
I see that another projects using Exiv2 are really perturbed by these recent changes. 

Best

Gilles Caulier 
woenx
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Re: Compiling digikam and exiv2

woenx
Thank you Gilles,

I've been so far unable to compile it so digikam's bootstrap.linux script
detects it.

The steps I followed were:

1) Download the last release of exiv2 (0.27.1) from github.
https://github.com/Exiv2/exiv2/releases/tag/0.27.1
2) Uncompress the tar.gz file, and copy the bootstrap-exiv2.linux.sh script
to the main exiv folder (where CMakeLists.txt is).
3) Run './bootstrap-exiv2.linux.sh'
4) Enter the build directory, and run 'cmake --build .'
5) 'sudo make install'
6) I update the PATH (as instructed in their github page): 'export
PATH="/usr/local/bin:$PATH" && export
LD_LIBRARY_PATH="/usr/local/lib:$LD_LIBRARY_PATH"'

Exiv's 2 seems to compile without errors, and I can run the exiv2 command in
the terminal.

digikam@digikam-VirtualBox:~/digikam$ exiv2 --version
exiv2 0.27.99.0

However, when I try to compile digikam (the lastest version from github),
libexiv2 cannot be found:

https://pastebin.com/xQsfWwHb

Is libexiv2 a separate package from exiv2?

I am a bit lost at the moment, and I am not sure how to check if the
PKGConfig files are correctly created after compiling exiv2. These are the
files related to exiv2 I find using the locate command:
https://pastebin.com/TXTkAa3q

Any advise or guidance would be greatly appreciated!


Gilles Caulier-4 wrote
> Le mar. 25 juin 2019 à 14:48, woenx &lt;

> marcpalaus@

> &gt; a écrit :
>
>> Hello,
>>
>> First of all, sorry if that has been answered somewhere else. I read
>> other
>> threads about compiling digikam in this mailing list, but I couldn't
>> manage
>> to do it myself.
>>
>> I am trying to compile digikam from source in an Ubuntu 18.04
>> installation,
>> in order to create up to date .deb packages (and also be able to try
>> myself
>> the changes introduced by the GSoC2019). However, I seem to be
>> experiencing
>> some problems, especially regarding the exiv2 package.
>>
>> I start from a fresh ubuntu 10.04.2 LTS amd64 install in a virtual
>> machine.
>> I try to follow the instructions at
>> https://www.digikam.org/download/git/,
>> but the problem comes when ./bootstrap.linux can't find the exiv2 package
>> installed.
>>
>> In theory, it needs exiv2 0.26 or newer (the lastest version in their
>> repository seems to be 0.27). I first tried using the already compiled
>> version of exiv2 and libexiv2-26 for debian (version 0.26-1), but
>> Digikam's
>> compilation script does not seem to detect them.
>>
>
> 0.27 is highly recommended.
>
> The detection of library is in this cmake script :
>
> https://cgit.kde.org/digikam.git/tree/core/cmake/modules/FindExiv2.cmake
>
>  Under Linux, the PKGConfig files are parsed to detect the library
> installation. Sound like under Ubuntu this standard is not well respected
> (another one, but you must know that i dislike this Linux box, and i wont
> said i 'hate' ubuntu...).
>
> To compile the Exiv2 library, look my script given here :
>
> https://cgit.kde.org/digikam.git/log/project/scripts/bootstrap-exiv2.linux.sh
>
> This one is optimized to only compile the minimum for digiKam and disable
> the unstable code from the library. I compile current code from Exiv2,
> where API have been broken for next 0.28. digiKam core have been fixed to
> support this API (there is no API transition stage in Exiv2 (:=)))). As
> Exiv2 API are strictly used in limited area in digiKam core, this limit
> the
> maintenance to the minimum.
> I see that another projects using Exiv2 are really perturbed by these
> recent changes.
>
> Best
>
> Gilles Caulier





--
Sent from: http://digikam.1695700.n4.nabble.com/digikam-users-f1735189.html
Simon Frei
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Re: Compiling digikam and exiv2

Simon Frei
From your paste:
Could NOT find Exiv2: Found unsuitable version "0.25.0", but required is at least "0.26" (found /usr/lib/x86_64-linux-gnu/libexiv2.so)
You probably have the system exiv2 package still installed.

On 26/06/2019 15:41, woenx wrote:
Thank you Gilles,

I've been so far unable to compile it so digikam's bootstrap.linux script
detects it.

The steps I followed were: 

1) Download the last release of exiv2 (0.27.1) from github.
https://github.com/Exiv2/exiv2/releases/tag/0.27.1
2) Uncompress the tar.gz file, and copy the bootstrap-exiv2.linux.sh script
to the main exiv folder (where CMakeLists.txt is).
3) Run './bootstrap-exiv2.linux.sh'
4) Enter the build directory, and run 'cmake --build .'
5) 'sudo make install'
6) I update the PATH (as instructed in their github page): 'export
PATH="/usr/local/bin:$PATH" && export
LD_LIBRARY_PATH="/usr/local/lib:$LD_LIBRARY_PATH"'

Exiv's 2 seems to compile without errors, and I can run the exiv2 command in
the terminal.

digikam@digikam-VirtualBox:~/digikam$ exiv2 --version
exiv2 0.27.99.0

However, when I try to compile digikam (the lastest version from github),
libexiv2 cannot be found:

https://pastebin.com/xQsfWwHb

Is libexiv2 a separate package from exiv2?

I am a bit lost at the moment, and I am not sure how to check if the
PKGConfig files are correctly created after compiling exiv2. These are the
files related to exiv2 I find using the locate command:
https://pastebin.com/TXTkAa3q

Any advise or guidance would be greatly appreciated! 


Gilles Caulier-4 wrote

Le mar. 25 juin 2019 à 14:48, woenx &lt;


      

        
marcpalaus@


      

      

      

        
&gt; a écrit :



        

          
Hello,

First of all, sorry if that has been answered somewhere else. I read
other
threads about compiling digikam in this mailing list, but I couldn't
manage
to do it myself.

I am trying to compile digikam from source in an Ubuntu 18.04
installation,
in order to create up to date .deb packages (and also be able to try
myself
the changes introduced by the GSoC2019). However, I seem to be
experiencing
some problems, especially regarding the exiv2 package.

I start from a fresh ubuntu 10.04.2 LTS amd64 install in a virtual
machine.
I try to follow the instructions at
https://www.digikam.org/download/git/,
but the problem comes when ./bootstrap.linux can't find the exiv2 package
installed.

In theory, it needs exiv2 0.26 or newer (the lastest version in their
repository seems to be 0.27). I first tried using the already compiled
version of exiv2 and libexiv2-26 for debian (version 0.26-1), but
Digikam's
compilation script does not seem to detect them.



        

        
0.27 is highly recommended.

The detection of library is in this cmake script :

https://cgit.kde.org/digikam.git/tree/core/cmake/modules/FindExiv2.cmake

 Under Linux, the PKGConfig files are parsed to detect the library
installation. Sound like under Ubuntu this standard is not well respected
(another one, but you must know that i dislike this Linux box, and i wont
said i 'hate' ubuntu...).

To compile the Exiv2 library, look my script given here :

https://cgit.kde.org/digikam.git/log/project/scripts/bootstrap-exiv2.linux.sh

This one is optimized to only compile the minimum for digiKam and disable
the unstable code from the library. I compile current code from Exiv2,
where API have been broken for next 0.28. digiKam core have been fixed to
support this API (there is no API transition stage in Exiv2 (:=)))). As
Exiv2 API are strictly used in limited area in digiKam core, this limit
the
maintenance to the minimum.
I see that another projects using Exiv2 are really perturbed by these
recent changes.

Best

Gilles Caulier


      

      




--
Sent from: http://digikam.1695700.n4.nabble.com/digikam-users-f1735189.html


    

    

  



	
	
	
	

						
			

		

	

	

		

			

				

					Gilles Caulier-4
				

				

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		Re: Compiling digikam and exiv2
	

				

			

		

		

			

				
					

		

			Gilles Caulier-4

	
	
		

	

	
	
	

	
						
				
					
	
	

		
Yes, Simon is right. Uninstall the system libexiv2-devel before to configure, compile and install a new Exiv2 version on your system...

Exiv2 tarball include all devel files and install devel + binaries.

Gilles Caulier

Le mer. 26 juin 2019 à 15:49, Simon Frei <[hidden email]> a écrit :

  
    
  
  

    From your paste:

    
Could NOT find Exiv2: Found
      unsuitable version "0.25.0", but required is at least "0.26"
      (found /usr/lib/x86_64-linux-gnu/libexiv2.so)

      

    You probably have the system exiv2 package still installed.

    

    
On 26/06/2019 15:41, woenx wrote:

    

    

      
Thank you Gilles,

I've been so far unable to compile it so digikam's bootstrap.linux script
detects it.

The steps I followed were: 

1) Download the last release of exiv2 (0.27.1) from github.
https://github.com/Exiv2/exiv2/releases/tag/0.27.1
2) Uncompress the tar.gz file, and copy the bootstrap-exiv2.linux.sh script
to the main exiv folder (where CMakeLists.txt is).
3) Run './bootstrap-exiv2.linux.sh'
4) Enter the build directory, and run 'cmake --build .'
5) 'sudo make install'
6) I update the PATH (as instructed in their github page): 'export
PATH="/usr/local/bin:$PATH" && export
LD_LIBRARY_PATH="/usr/local/lib:$LD_LIBRARY_PATH"'

Exiv's 2 seems to compile without errors, and I can run the exiv2 command in
the terminal.

digikam@digikam-VirtualBox:~/digikam$ exiv2 --version
exiv2 0.27.99.0

However, when I try to compile digikam (the lastest version from github),
libexiv2 cannot be found:

https://pastebin.com/xQsfWwHb

Is libexiv2 a separate package from exiv2?

I am a bit lost at the moment, and I am not sure how to check if the
PKGConfig files are correctly created after compiling exiv2. These are the
files related to exiv2 I find using the locate command:
https://pastebin.com/TXTkAa3q

Any advise or guidance would be greatly appreciated! 


Gilles Caulier-4 wrote


      

        
Le mar. 25 juin 2019 à 14:48, woenx &lt;


      

      

      

        
marcpalaus@


      

      

      

        
&gt; a écrit :



        

          
Hello,

First of all, sorry if that has been answered somewhere else. I read
other
threads about compiling digikam in this mailing list, but I couldn't
manage
to do it myself.

I am trying to compile digikam from source in an Ubuntu 18.04
installation,
in order to create up to date .deb packages (and also be able to try
myself
the changes introduced by the GSoC2019). However, I seem to be
experiencing
some problems, especially regarding the exiv2 package.

I start from a fresh ubuntu 10.04.2 LTS amd64 install in a virtual
machine.
I try to follow the instructions at
https://www.digikam.org/download/git/,
but the problem comes when ./bootstrap.linux can't find the exiv2 package
installed.

In theory, it needs exiv2 0.26 or newer (the lastest version in their
repository seems to be 0.27). I first tried using the already compiled
version of exiv2 and libexiv2-26 for debian (version 0.26-1), but
Digikam's
compilation script does not seem to detect them.



        

        
0.27 is highly recommended.

The detection of library is in this cmake script :

https://cgit.kde.org/digikam.git/tree/core/cmake/modules/FindExiv2.cmake

 Under Linux, the PKGConfig files are parsed to detect the library
installation. Sound like under Ubuntu this standard is not well respected
(another one, but you must know that i dislike this Linux box, and i wont
said i 'hate' ubuntu...).

To compile the Exiv2 library, look my script given here :

https://cgit.kde.org/digikam.git/log/project/scripts/bootstrap-exiv2.linux.sh

This one is optimized to only compile the minimum for digiKam and disable
the unstable code from the library. I compile current code from Exiv2,
where API have been broken for next 0.28. digiKam core have been fixed to
support this API (there is no API transition stage in Exiv2 (:=)))). As
Exiv2 API are strictly used in limited area in digiKam core, this limit
the
maintenance to the minimum.
I see that another projects using Exiv2 are really perturbed by these
recent changes.

Best

Gilles Caulier


      

      

--
Sent from: http://digikam.1695700.n4.nabble.com/digikam-users-f1735189.html


    

    

  






	
	
	
	

						
			

		

	

	

		

			

				

					woenx
				

				

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		Re: Compiling digikam and exiv2
	

				

			

		

		

			

				
					

		

			woenx

	
	
		

	

	
	
	

	
						
				
					
	
	

		Oh, now I see why. I started again from a clean install, and I noticed that

when I ran 'sudo apt-get build-dep digikam' before compiling digikam, it

also tried to install libexiv2-dev.


I'll try again and I'll report my results later.




--

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					Maik Qualmann
				

				

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			Maik Qualmann

	
	
		

	

	
	
	

	
						
				
					
	
	

		> I am trying to compile digikam from source in an Ubuntu 18.04 installation,

> I start from a fresh ubuntu 10.04.2 LTS amd64 install in a virtual machine.


You write of 2 different Ubuntu versions. If it is actually 10.04.02, please 

do not make any further attempts with an 8 years old Linux distribution. If it 

is 18.04.02 and this Exiv2-0.25 delivers, you also looking for another Linux 

distribution.


Maik






	
	
	
	

						
			

		

	

	

		

			

				

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		Re: Compiling digikam and exiv2
	

				

			

		

		

			

				
					

		

			woenx

	
	
		

	

	
	
	

	
						
				
					
	
	

		I made it :) Thanks for you help.


Of course, I meant Ubuntu 18.04.2 LTS, the current Long term support version

until Ubuntu 20.04 LTS is released.


I have written the steps I followed, in the case someone is interested:



Instructions for compiling digikam from source in Ubuntu 18.04.2 LTS:


- Uncomment (#) from lines containing 'deb-src' in /etc/apt/sources.list and

save.

- sudo apt update && sudo apt upgrade && sudo apt autoremove

- sudo apt-get install -y subversion make cmake autoconf pkg-config g++

exifprobe libcurl4-openssl-dev libssh-dev clang checkinstall # Needed to

compile exiv2.

- sudo apt-get build-dep -y exiv2 # dependencies for exiv2.



Download last version of digikam from git: 

- sudo apt install git

- git clone https://invent.kde.org/kde/digikam.git digikam



Compile exiv2 from source:


- Get exiv2 0.27.1 (latest) release from

https://github.com/Exiv2/exiv2/releases/tag/0.27.1
- Extract to folder.

- Copy script ~/digikam/digikam/project/scripts/bootstrap-exiv2.linux.sh to

main exiv2 folder (where CMakeLists.txt is located).

- Run the script: ./bootstrap-exiv2.linux.sh

- sudo make install



Compile digikam:


- Install build dependencies for digikam. Make sure libexiv2 is not

installed from Ubuntu's repository: 


sudo apt get install bison docbook-xml docbook-xsl extra-cmake-modules flex

gdal-data gir1.2-harfbuzz-0.0 gphoto2 help2man icu-devtools kdoctools5 kinit

kio kpackagetool5 kwayland-data libaec0 libaribb24-0 libarmadillo8

libarpack2 libastro-dev libastro1 libavcodec-dev libavdevice57

libavformat-dev libavresample-dev libavutil-dev libbasicusageenvironment1

libbison-dev libblas3 libboost-graph-dev libboost-graph1.65-dev

libboost-graph1.65.1 libboost-regex1.65.1 libboost-serialization1.65-dev

libboost-serialization1.65.1 libboost-test1.65-dev libboost-test1.65.1

libboost1.65-dev libcddb2 libcdk5 libcharls1 libdap25 libdapclient6v5

libdbusmenu-qt5-2 libdc1394-22 libdc1394-22-dev libdca0

libdouble-conversion1 libdrm-dev libdvbpsi10 libebml4v5 libegl1-mesa-dev

libeigen3-dev libepsilon1 libexif-dev libfaad2 libfabric1 libfam0 libfreexl1

libfyba0 libgdal20 libgdcm2-dev libgdcm2.8 libgeos-3.6.2 libgeos-c1v5

libgeotiff2 libgfortran4 libgif7 libgl1-mesa-dev libgl2ps1.4 libgles1

libgles2-mesa-dev libglib2.0-dev libglib2.0-dev-bin libglu1-mesa-dev

libglvnd-core-dev libglvnd-dev libgphoto2-dev libgraphite2-dev libgroupsock8

libharfbuzz-dev libharfbuzz-gobject0 libhdf4-0-alt libhdf5-100

libhdf5-openmpi-100 libhwloc-plugins libhwloc5 libibverbs1 libicu-dev

libicu-le-hb-dev libicu-le-hb0 libiculx60 libilmbase-dev libjbig-dev

libjpeg-dev libjpeg-turbo8-dev libjpeg8-dev libkate1 libkf5activities5

libkf5archive-dev libkf5archive5 libkf5attica-dev libkf5attica5

libkf5auth-bin-dev libkf5auth-data libkf5auth-dev libkf5auth5

libkf5bookmarks-data libkf5bookmarks-dev libkf5bookmarks5

libkf5calendarevents5 libkf5codecs-data libkf5codecs-dev libkf5codecs5

libkf5completion-data libkf5completion-dev libkf5completion5

libkf5config-bin libkf5config-bin-dev libkf5config-data libkf5config-dev

libkf5configcore5 libkf5configgui5 libkf5configwidgets-data

libkf5configwidgets-dev libkf5configwidgets5 libkf5coreaddons-data

libkf5coreaddons-dev libkf5coreaddons-dev-bin libkf5coreaddons5 libkf5crash5

libkf5dbusaddons-data libkf5dbusaddons-dev libkf5dbusaddons5

libkf5declarative-data libkf5declarative5 libkf5doctools-dev libkf5doctools5

libkf5filemetadata-data libkf5filemetadata-dev libkf5filemetadata3

libkf5globalaccel-data libkf5globalaccel-dev libkf5globalaccel5

libkf5globalaccelprivate5 libkf5guiaddons-dev libkf5guiaddons5

libkf5i18n-data libkf5i18n-dev libkf5i18n5 libkf5iconthemes-data

libkf5iconthemes-dev libkf5iconthemes5 libkf5itemviews-data

libkf5itemviews-dev libkf5itemviews5 libkf5jobwidgets-data

libkf5jobwidgets-dev libkf5jobwidgets5 libkf5kio-dev libkf5kiocore5

libkf5kiofilewidgets5 libkf5kiogui5 libkf5kiontlm5 libkf5kiowidgets5

libkf5kipi-data libkf5kipi-dev libkf5kipi32.0.0 libkf5kirigami2-5

libkf5notifications-data libkf5notifications-dev libkf5notifications5

libkf5notifyconfig-data libkf5notifyconfig-dev libkf5notifyconfig5

libkf5package-data libkf5package5 libkf5plasma5 libkf5plasmaquick5

libkf5quickaddons5 libkf5sane-data libkf5sane-dev libkf5sane5

libkf5service-bin libkf5service-data libkf5service-dev libkf5service5

libkf5solid-dev libkf5solid5 libkf5solid5-data libkf5sonnet-dev

libkf5sonnet-dev-bin libkf5sonnet5-data libkf5sonnetcore5 libkf5sonnetui5

libkf5textwidgets-data libkf5textwidgets-dev libkf5textwidgets5

libkf5threadweaver-dev libkf5threadweaver5 libkf5wallet-bin

libkf5wallet-data libkf5wallet5 libkf5waylandclient5

libkf5widgetsaddons-data libkf5widgetsaddons-dev libkf5widgetsaddons5

libkf5windowsystem-data libkf5windowsystem-dev libkf5windowsystem5

libkf5xmlgui-bin libkf5xmlgui-data libkf5xmlgui-dev libkf5xmlgui5

libkmlbase1 libkmldom1 libkmlengine1 libkwalletbackend5-5 liblapack3

liblcms2-dev liblensfun-data-v1 liblensfun-dev liblensfun1 liblept5

liblivemedia62 liblqr-1-0-dev liblua5.2-0 liblzma-dev libmad0 libmarble-dev

libmarblewidget-qt5-28 libmatroska6v5 libmicrodns0 libminizip1 libmpcdec6

libmysqlclient20 libnetcdf-c++4 libnetcdf13 libnfs11 libnl-route-3-200

libodbc1 libogdi3.2 libopenal-data libopenal1 libopencv-calib3d-dev

libopencv-calib3d3.2 libopencv-contrib-dev libopencv-contrib3.2

libopencv-core-dev libopencv-core3.2 libopencv-dev libopencv-features2d-dev

libopencv-features2d3.2 libopencv-flann-dev libopencv-flann3.2

libopencv-highgui-dev libopencv-highgui3.2 libopencv-imgcodecs-dev

libopencv-imgcodecs3.2 libopencv-imgproc-dev libopencv-imgproc3.2

libopencv-ml-dev libopencv-ml3.2 libopencv-objdetect-dev

libopencv-objdetect3.2 libopencv-photo-dev libopencv-photo3.2

libopencv-shape-dev libopencv-shape3.2 libopencv-stitching-dev

libopencv-stitching3.2 libopencv-superres-dev libopencv-superres3.2

libopencv-ts-dev libopencv-video-dev libopencv-video3.2

libopencv-videoio-dev libopencv-videoio3.2 libopencv-videostab-dev

libopencv-videostab3.2 libopencv-viz-dev libopencv-viz3.2 libopencv3.2-java

libopencv3.2-jni libopenexr-dev libopengl0 libopenmpi2 libopenmpt-modplug1

libpcre16-3 libpcre3-dev libpcre32-3 libpcrecpp0v5 libphonon4qt5-4

libplacebo4 libpng-dev libpolkit-qt5-1-1 libpq5 libproj12 libprotobuf-lite10

libpsm-infinipath1 libpthread-stubs0-dev libpulse-dev libqgsttools-p1

libqhull7 libqt5concurrent5 libqt5core5a libqt5dbus5 libqt5gui5

libqt5multimedia5 libqt5multimediaquick-p5 libqt5multimediawidgets5

libqt5network5 libqt5opengl5 libqt5opengl5-dev libqt5positioning5

libqt5printsupport5 libqt5qml5 libqt5quick5 libqt5quickcontrols2-5

libqt5quickparticles5 libqt5quicktemplates2-5 libqt5quicktest5

libqt5quickwidgets5 libqt5script5 libqt5scripttools5 libqt5sensors5

libqt5sql5 libqt5svg5 libqt5svg5-dev libqt5test5 libqt5texttospeech5

libqt5webchannel5 libqt5webkit5 libqt5webkit5-dev libqt5widgets5

libqt5x11extras5 libqt5x11extras5-dev libqt5xml5 libqt5xmlpatterns5

libqt5xmlpatterns5-dev libqtav-dev libqtav1 libqtavwidgets1 libraw1394-dev

librdmacm1 libresid-builder0c2a libsdl-image1.2 libsdl1.2debian

libsdl2-2.0-0 libsidplay2 libsndio6.1 libsocket++1 libspatialite7 libssh2-1

libsuperlu5 libswresample-dev libswscale-dev libsz2 libtbb-dev libtbb2

libtcl8.6 libtesseract4 libtiff-dev libtiff5-dev libtiffxx5 libtk8.6

libuchardet0 libupnp6 liburiparser1 libusageenvironment3 libusb-1.0-0-dev

libvlc5 libvlccore9 libvtk6.3 libvulkan1 libwayland-bin libwayland-dev

libx11-dev libx11-xcb-dev libxau-dev libxcb-composite0 libxcb-damage0

libxcb-dri2-0-dev libxcb-dri3-dev libxcb-glx0-dev libxcb-present-dev

libxcb-randr0-dev libxcb-render0-dev libxcb-shape0-dev libxcb-sync-dev

libxcb-xfixes0-dev libxcb-xinerama0 libxcb1-dev libxdamage-dev libxdmcp-dev

libxerces-c3.2 libxext-dev libxfixes-dev libxml2-dev libxml2-utils

libxshmfence-dev libxslt1-dev libxxf86vm-dev marble-data mesa-common-dev

mysql-common ocl-icd-libopencl1 odbcinst odbcinst1debian2 phonon4qt5

phonon4qt5-backend-vlc plasma-framework proj-data python3-distutils

python3-lib2to3 qml-module-org-kde-kconfig qml-module-org-kde-kirigami2

qml-module-org-kde-kquickcontrols qml-module-org-kde-kquickcontrolsaddons

qml-module-qtgraphicaleffects qml-module-qtqml-models2

qml-module-qtquick-controls qml-module-qtquick-controls2

qml-module-qtquick-dialogs qml-module-qtquick-layouts

qml-module-qtquick-privatewidgets qml-module-qtquick-templates2

qml-module-qtquick-window2 qml-module-qtquick2 qt5-qmake qt5-qmake-bin

qt5-qmltooling-plugins qtbase5-dev qtbase5-dev-tools qtchooser

qtdeclarative5-dev qtmultimedia5-dev qtscript5-dev sgml-base sgml-data

vlc-data vlc-plugin-base vlc-plugin-video-output x11proto-core-dev

x11proto-damage-dev x11proto-dev x11proto-fixes-dev x11proto-xext-dev

x11proto-xf86vidmode-dev xml-core xorg-sgml-doctools xtrans-dev

qttools5-dev-tools 

# (this is basically 'sudo apt-get build-dep digikam' but without libexiv2

and including qttools5-dev-tools)


- make

- sudo make install # or 'sudo checkinstall' if you want to save a deb

package. 


And that's it. If there are some icons missing, it is likely that you also

need to install the package 'breeze-icon-theme', but you can choose

'Humanity' in the settings instead. apparently, you don't need to compile

opencv from source, but I have not tested it extensively yet.




--

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