Thanks Dave, I have tried all of these. I thought this would work, but no joy:
"Has anyone tried this easy way that I use on the Raspberry Pi?
?
tar -zxvf tqsl-2.5.9.tar.gz
cd tqsl-2.5.9
?
sudo apt-get install cmake
?
Then:
?
Enable source repository deb-src or what ever source is needed for your distribution
sudo apt update
sudo apt build-dep trustedqsl
?
export LIB_SUFFIX=""
cmake .
make