SYSTEM5
Support SysV-derived machines Port, edit sendmail/conf.h
If you are compiling sendmail on a SysVR4-derived machine, you should define SYSTEM5. This automatically causes the correct SysV support to be included. For all systems that require SYSTEM5 to be defined, it is already correctly defined in sendmail/conf.h (include/sm/conf.h beginning with V8.12).
If you suspect that you need to define SYSTEM5 when
porting to a new system, you should also investigate
SYS5SIGNALS and SYS5SETPGRP in
sendmail/conf.h
(include/sm/conf.h beginning
with V8.12) and
sendmail/README. If you are
running a precompiled version of
sendmail, you can use the
-d0.10
debugging command-line switch (-d0.10 on page 543) to discover whether SYSTEM5 or
SYS5SETPGRP is defined (if either appears in the
list, it is defined).
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