[MacPorts] #60936: unbound @1.11.0 does not build on PPC Tiger, Mac OS X 10.4.11, because of error: 'IPV6_TCLASS' undeclared

[MacPorts]

#60936: unbound @1.11.0 does not build on PPC Tiger, Mac OS X 10.4.11, because of
error: 'IPV6_TCLASS' undeclared
-----------------------+---------------------
 Reporter:  ballapete  |      Owner:  (none)
     Type:  defect     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:  2.6.3
 Keywords:  tiger      |       Port:  unbound
-----------------------+---------------------
 {{{
 libtool: compile:  /opt/local/bin/gcc-apple-4.2 -I. -I/opt/local/include
 -I/opt/local/include -I/opt/local/include -DSRCDIR=. -pipe -Os -arch ppc
 -D_THREAD_SAFE -pthread -c services/listen_dnsport.c  -fno-common -DPIC -o
 .libs/listen_dnsport.o
 services/listen_dnsport.c: In function 'set_ip_dscp':
 services/listen_dnsport.c:887: error: 'IPV6_TCLASS' undeclared (first use
 in this function)
 services/listen_dnsport.c:887: error: (Each undeclared identifier is
 reported only once
 services/listen_dnsport.c:887: error: for each function it appears in.)
 make: *** [listen_dnsport.lo] Error 1
 make: Leaving directory
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_net_unbound/unbound/work/unbound-1.11.0'
 Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_net_unbound/unbound/work/unbound-1.11.0"
 && /usr/bin/make -w all
 Exit code: 2
 }}}

 Tiger does not have `'IPV6_TCLASS'` defined in
 `/usr/include/netinet6/in6.h`. The IPV6_* definitions vary on Tiger from
 recent macOS. It also seems to be missing on Leopard, Mac OS X 10.5.x – a
 PowerPC only issue?

-- 
Ticket URL: <https://trac.macports.org/ticket/60936>
MacPorts <https://www.macports.org/>
Ports system for macOS