On Wed, 6 Jan 2021 at 01:35, pillule via Gcc-help <gcc-help@xxxxxxxxxxx> wrote: > > > Hello, > > I compiled gcc-10.2.0 with the libraries provided by the > `contrib/download_prerequisites` script. > The compilation doesn't throw an error but `make check` does. > > The host OS is a HVM virtualised antiX-19 (debian) with gcc 8.3.0 > > Can someone be kind enough to help me to figure out what means > this last trace and package-unused ? "package-unused version-unused" just means somebody didn't set some variables in a config file, that's not a problem. What you should care about is why the tests fail, not the missing config strings. I am not familiar with the libbacktrace tests and don't know what they mean.