If you are building in a tree separate from the source tree, the vendors
version of make does not work properly with regards to
VPATH. It also has problems with standard inference rules in 5.2
(not tested yet in 5.3) so one needs to use GNU's make.
Under 5.2, there is a bug in the optional System V
library in which the routine
gethostbyname() is broken. The
system supplied version in
-lc appears to work though so one may
--with-netlib option to
gethostbyname() is no longer present in
is no longer an issue.