I have the same problem:
==> Verifying source file signatures with gpg... ddd-3.3.12.tar.gz ... FAILED (unknown public key 6656C593E5158D1A) ==> ERROR: One or more PGP signatures could not be verified!
gpg --recv 6656C593E5158D1A
gpg: no valid OpenPGP data found. gpg: Total number processed: 0
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DrLarck commented on 2021-03-27 12:00 (UTC)
@codazoa I had the same problem.
After running ddd using the terminal (
$ ddd
) I had multiple warning messages saying something like : "Cannot convert string "...." to type FontStruct"After a couple of research and spending hours to find a fix, I've finally found this : "Some programs only work with bitmap fonts. Two major packages with bitmap fonts are available, xorg-fonts-75dpi and xorg-fonts-100dpi." (From the AUR : https://wiki.archlinux.org/index.php/xorg)
So basically, you need to run this command :
And get the xorg-fonts-XXdpi (with XX = 75 or 100) that is closer to the output value of the command above.
You can install a xorg-fonts package using pacman :
Once you've done that, run :
Then reboot and everything should work.