MFC r311744,r312328,r312329,r312330:
r311744:
Document bsd.snmpmod.mk from a high-level
r312328:
Add a make target (smilint) for running smilint tool against BMIBS
Running smilint against MIB definitions is useful in finding
functional problems with MIB definitions/descriptions.
This is inspired by the smilint targets defined in
usr.sbin/bsnmpd/modules/{snmp_hostres,snmp_mibII}/Makefile
Document all of the variables that are involved in running the
smilint target, as well as all of the prerequisites to running
it.
r312329:
Remove ad hoc smilint targets made standard in bsd.snmpmod.mk in r312328
r312330:
Add smilint target to subdir targets so "make smilint" here will run
the smilint target in subdirs
While here, convert a path that's .CURDIR relative to SRCTOP
git-svn-id: svn://svn.freebsd.org/base/stable/10@313223
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