Solaris 8:

make all-recursive
Making all in src
c++ -DHAVE_CONFIG_H  -DINSTALL_DIR="\"/usr/local/share/nighthawk\"" -DSCORES_FILE="\".nighthawk.scores\"" -DLIBEXEC_DIR="\"/usr/local/libexec\"" -I.. -I..  -g -O2  -c nighthawk.cc
nighthawk.cc: In function `struct FILE * lopen(char *, char *)':
nighthawk.cc:120: `struct FILE' has no member named `_fileno'
nighthawk.cc:120: `LOCK_EX' undeclared (first use this function)
nighthawk.cc:120: (Each undeclared identifier is reported only once
nighthawk.cc:120: for each function it appears in.)
nighthawk.cc:120: implicit declaration of function `int flock(...)'
*** Error code 1
make: Fatal error: Command failed for target `nighthawk.o'
Current working directory /home/users/v/vi/viking667/src/nighthawk-2.3/src
*** Error code 1
make: Fatal error: Command failed for target `all-recursive'
Current working directory /home/users/v/vi/viking667/src/nighthawk-2.3
*** Error code 1
make: Fatal error: Command failed for target `all-recursive-am'

<<EOS

Debian: can't yet work out how to make a .deb package.
RedHat: same for RPM.
Darwin: ./configure can't figure out host type
FreeBSD-4.7:
same as Solaris 8, can't find something in struct _sFILE (_fileno)