Claudio Girardi - 2018-09-04

um, this is quite strange; I've been succesfully compiling Qucs with autotools on Slackware since quite some time- I'm currently using Slackware64 14.2 multilib.

To use the autotools, first run ./bootstrap (see README.md) and then the usual ./configure stuff, something like ./configure --disable-doc --with-mkadms=<full path to admsXml> --prefix=<install path>

cmake -DCMAKE_INSTALL_PREFIX=<install path> works fine here. If admsXml is not in the path you have to add also -DADMSXML=<full path to admsXml>.
But as you reported the make install does not work correctly, a file is missing (qucspowercombining.1) and the libqucsschematic.so is not installed.