Which distro

[jpaulb]

I have been away from Debian for quite a while and was thinking of installing it on my video editing box. That is if I can get Lightworks 2020.1 to install. I tried to install lightworks on testing which failed with the warnings.
dpkg: dependency problems prevent configuration of lightworks:
lightworks depends on libpango1.0-0 (>= 1.18.0); however:
Package libpango1.0-0 is not installed.
lightworks depends on nvidia-cg-toolkit; however:
Package nvidia-cg-toolkit is not installed.

I read in the lightworks forum that I would have to install Debian unstable to get it to work.. I have been searching debian.org for over an hour without finding a link to down load Sid.
Please help.

[kedaha]

Hi,

I have been away from Debian for quite a while and was thinking of installing it on my video editing box.

Welcome back!

I read in the lightworks forum that I would have to install Debian unstable to get it to work.. I have been searching debian.org for over an hour without finding a link to down load Sid.

I wouldn't know unless I tried to install it myself. but a sid mini.iso can be downloaded from this link
libpango1.0-0 is in the Debian main repository but nvidia-cg-toolkit is available from the non-free repository which it seems you have not added to the /etc/apt/sources.list
Querying the Debian archive database shows that the package versions for nvidia-cg-toolkit are the same in both testing and sid so "upgrading" to sid won't make any difference with regard to that package. libpango1.0-0 is not currently available in testing and the version in sid is a debports only for powerpcspe and arm64. Therefore it might be a better idea to try and install it in current stable and backport any packages if necessary.

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libpango1.0-0     | 1.42.4-7~deb10u1 | stable                  | amd64, i386
libpango1.0-0     | 1.42.4-8~deb10u1 | buildd-proposed-updates | amd64, i386
libpango1.0-0     | 1.42.4-8~deb10u1 | proposed-updates        | amd64 i386
nvidia-cg-toolkit | 3.1.0013-5       | stable/non-free         | source, amd64, i386
nvidia-cg-toolkit | 3.1.0013-5       | testing/non-free        | source, amd64, i386
nvidia-cg-toolkit | 3.1.0013-5       | unstable/non-free       | source, amd64, i386

[dilberts_left_nut]

If you want to use it for productive work, Sid is a poor choice.
It will take up a lot of admin time and may contain potentially catastrophic bugs, as well as having the potential to break at any time.

[kedaha]

I've had another look at this and tried installing the lightworks deb in current stable but it doesn't look at all promising:

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# dpkg -i lightworks-14.5.0-amd64.deb
Selecting previously unselected package lightworks.
(Reading database ... 363866 files and directories currently installed.)
Preparing to unpack lightworks-14.5.0-amd64.deb ...
Unpacking lightworks (14.5.0.0) ...
dpkg: dependency problems prevent configuration of lightworks:
 lightworks depends on libc++1 (>= 1.0); however:
  Package libc++1 is not installed.
 lightworks depends on libjpeg8 (>= 8c); however:
  Package libjpeg8 is not installed.
 lightworks depends on nvidia-cg-toolkit; however:
  Package nvidia-cg-toolkit is not installed.

dpkg: error processing package lightworks (--install):
 dependency problems - leaving unconfigured
Processing triggers for bamfdaemon (0.5.4-1) ...
Rebuilding /usr/share/applications/bamf-2.index...
Processing triggers for desktop-file-utils (0.23-4) ...
Processing triggers for mime-support (3.62) ...
Processing triggers for fontconfig (2.13.1-2) ...
Errors were encountered while processing:
 lightworks

And even worse:

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# apt install nvidia-cg-toolkit
Reading package lists... Done
Building dependency tree       
Reading state information... Done
You might want to run 'apt --fix-broken install' to correct these.
The following packages have unmet dependencies:
 lightworks : Depends: libc++1 (>= 1.0) but it is not going to be installed
              Depends: libjpeg8 (>= 8c) but it is not installable
 nvidia-cg-toolkit : Depends: libcg (= 3.1.0013-5) but it is not going to be installed
                     Depends: libcggl (= 3.1.0013-5) but it is not going to be installed
                     Depends: nvidia-cg-dev (= 3.1.0013-5) but it is not going to be installed
E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).
# apt --fix-broken install
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Correcting dependencies... Done
The following packages will be REMOVED:
  lightworks

[stevepusser]

Those are old dependencies. How old was that forum post that said you needed Sid---2011?

[kedaha]

Good news!
I have solved how to install lightworks in Debian 10 stable, which is obviously preferable to using testing or sid as noted above by dilberts_left_nut.
You will, by the way, need to enable the non-free repository first in /etc/apt/sources.list
The secret is to use aptitude rather than apt to resolve the dependencies:

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root@kedaha:~# aptitude install libc++1  libcg libcggl nvidia-cg-dev nvidia-cg-toolkit

You also need libjpeg8 (>= 8c), which was not installable because it is not in the repositories.
However, it can be downloaded from snapshot.debian.org. I downloaded this libjpeg8_8d1-2_amd64.deb and installed it from my Downloads folder:

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# dpkg -i libjpeg8_8d1-2_amd64.deb
# dpkg -i lightworks-14.5.0-amd64.deb