Works, but is not correctly identified - but it identifies itself: # cc -V cc: Sun C 5.12 Linux_i386 2011/11/16 # CC=/opt/solarisstudio12.3/bin/cc ./configure ngIRCd 21 has been configured with the following options: Host: x86_64-unknown-linux-gnu Compiler: /opt/solarisstudio12.3/bin/cc Compiler flags: -g -DSYSCONFDIR='"$(sysconfdir)"' -DDOCDIR='"$(docdir)"' Libraries: -lz 'ngircd' binary: /usr/local/sbin Configuration file: /usr/local/etc Manual pages: /usr/local/share/man Documentation: /usr/local/share/doc/ngircd Syslog support: yes Enable debug code: no zlib compression: yes IRC sniffer: no Use TCP Wrappers: no Strict RFC mode: no IDENT support: no IRC+ protocol: yes IPv6 protocol: no I/O backend: epoll(), select() PAM support: no SSL support: no libiconv support: no the executable works ("runs") as expected --+ tests run successfully ("make check") --+ | ngIRCd compiles ("make") --+ | | ./configure works --+ | | | | | | | Platform Compiler ngIRCd Date Tester C M T R * --------------------------- ------------ ---------- -------- -------- - - - - - x86_64/unknown/linux-gnu unknown 21 13-11-22 goetz Y Y Y Y 1 # uname -a Linux s1.hoffart.de 2.6.32-5-amd64 #1 SMP Fri May 10 08:43:19 UTC 2013 # x86_64 GNU/Linux Grüße Götz