Dear Andreas, > > For 2.13 it seems more difficult according to [1], thus I'll stop there: > > > > /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/libselinux.so: undefined reference to `memcpy@GLIBC_2.14' > > Use --without-selinux as workaround. thank you. With ../configure --without-selinux I was able to build 2.13! Paul