On Thu, 4 Jun 2020 01:19:57 -0000 (UTC), bob prohaska 
declaimed the following:


>
>It looks as if the install thinks it succeeded, but the size of the archive
>is suspiciously small and the command isn't found.
>
>Any hints as to what's going on?
>

pi@rpi3bplus-1:~$ sudo apt search qcad
Sorting... Done
Full Text Search... Done
qcad/stable 2.0.5.0-1+090318.1-2 all
  Transitional package for QCad to LibreCAD

pi@rpi3bplus-1:~$


https://wiki.debian.org/RenamingPackages


pi@rpi3bplus-1:~$ sudo apt install qcad
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
  libmuparser2v5 librecad librecad-data
The following NEW packages will be installed:
  libmuparser2v5 librecad librecad-data qcad
0 upgraded, 4 newly installed, 0 to remove and 1 not upgraded.
Need to get 11.1 MB of archives.
After this operation, 114 MB of additional disk space will be used.
Do you want to continue? [Y/n]



"qcad" appears to be a dummy existing just to pull in librecad

pi@rpi3bplus-1:~$ sudo apt info qcad
Package: qcad
Version: 2.0.5.0-1+090318.1-2
Priority: optional
Section: graphics
Maintainer: Debian Science Maintainers

Installed-Size: 31.7 kB
Depends: librecad
Tag: interface::x11, role::program, scope::application, uitoolkit::qt,
 use::editing, works-with-format::vrml, works-with::3dmodel,
 x11::application
Download-Size: 7,424 B
APT-Sources: http://raspbian.raspberrypi.org/raspbian buster/main armhf
Packages
Description: Transitional package for QCad to LibreCAD
 QCad has been removed from wheezy for depending on qt3 and containing non-
 distributable fonts, patterns, libraries, and documentation.
 .
 LibreCAD is the community-maintained qt4 port of QCad and has superseded
Qcad
 in Debian as the package "librecad".

pi@rpi3bplus-1:~$ sudo apt info librecad
Package: librecad
Version: 2.1.3-1.2
Priority: optional
Section: graphics
Maintainer: Debian Science Maintainers

Installed-Size: 7,143 kB
Depends: libatomic1 (>= 4.8), libc6 (>= 2.4), libgcc1 (>= 1:4.0), libgles2,
libmuparser2v5 (>= 2.2.6.1+dfsg), libqt5core5a (>= 5.5.0), libqt5gui5 (>=
5.2.0), libqt5printsupport5 (>= 5.0.2), libqt5svg5 (>= 5.6.0~beta),
libqt5widgets5 (>= 5.11.0~rc1), libstdc++6 (>= 5.2), librecad-data (=
2.1.3-1.2)
Homepage: http://www.librecad.org/
Download-Size: 2,262 kB
APT-Sources: http://raspbian.raspberrypi.org/raspbian buster/main armhf
Packages
Description: Computer-aided design (CAD) system
 LibreCAD is an application for computer aided design (CAD) in two
 dimensions (2D). With LibreCAD you can create technical drawings such as
 plans for buildings, interiors, mechanical parts or schematics and
 diagrams.


pi@rpi3bplus-1:~$ sudo apt search librecad
Sorting... Done
Full Text Search... Done
librecad/stable 2.1.3-1.2 armhf
  Computer-aided design (CAD) system

librecad-data/stable 2.1.3-1.2 all
  Computer-aided design (CAD) system -- shared files

qcad/stable 2.0.5.0-1+090318.1-2 all
  Transitional package for QCad to LibreCAD

pi@rpi3bplus-1:~$


--
 Wulfraed                 Dennis Lee Bieber         AF6VN
 wlfraed@ix.netcom.com    http://wlfraed.microdiversity.freeddns.org/

--- SoupGate-Win32 v1.05