Todd Vierling <tv@pobox.com> writes:

> The best solution for offending code (to keep compatibility) is:
> 
> #ifdef __NetBSD__
> #define unix 1
> #endif
> 
> or adding -Dunix to the cc command line.

Hmm, i've found that we add -Dunix for ftpd, telnet and tn3270.  Since
this doesn't require C source modification, it is better especially
for third party programs like gzip and zic.

So, i'd like to change m4, gzip and zic this way (i.e. add -Dunix for
m4, zic, gzip).

enami.