==> Beginne build()...
checking for egrep... grep -E
Configuring NCURSES 6.1 ABI 6 (Sat Jan 11 14:33:05 CET 2020)
checking for package version... 6.0
checking for package patch date... 20180127
configure: WARNING: overriding ABI version 6 to 5
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking target system type... x86_64-pc-linux-gnu
Configuring for linux-gnu
checking for prefix... /usr
checking for C compiler default output... a.out
checking whether the C compiler works... configure: error: cannot run C compiled programs.
If you meant to cross compile, use `--host'.
==> FEHLER: Ein Fehler geschah in build().
    Breche ab...
Build failed with exit code 4 in /home/duff/.cache/rua/build/lib32-ncurses5-compat-libs