usbredir fails to build for PowerPC

[barracuda156]

This is a separate issue from: ​https://trac.macports.org/ticket/64940 When restricted to ppc32, usbredir still fails on Leopard and Snow Leopard Rosetta due to undeclared TCP_KEEPINTVL and TCP_KEEPCNT.

This is on 10.5.8:

Making all in usbredirserver
make[2]: Entering directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_usbredir/usbredir/work/usbredir-0.9.0/usbredirserver'
/usr/bin/gcc-4.2 -std=gnu99 -DHAVE_CONFIG_H -I. -I..   -I/opt/local/include -I/opt/local/include/libusb-1.0 -I../usbredirhost -I../usbredirparser -pipe -Os -arch ppc -Wall -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -MT usbredirserver-usbredirserver.o -MD -MP -MF .deps/usbredirserver-usbredirserver.Tpo -c -o usbredirserver-usbredirserver.o `test -f 'usbredirserver.c' || echo './'`usbredirserver.c
usbredirserver.c: In function ‘main’:
usbredirserver.c:390: error: ‘TCP_KEEPINTVL’ undeclared (first use in this function)
usbredirserver.c:390: error: (Each undeclared identifier is reported only once
usbredirserver.c:390: error: for each function it appears in.)
usbredirserver.c:397: error: ‘TCP_KEEPCNT’ undeclared (first use in this function)
make[2]: *** [usbredirserver-usbredirserver.o] Error 1
make[2]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_usbredir/usbredir/work/usbredir-0.9.0/usbredirserver'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_usbredir/usbredir/work/usbredir-0.9.0'
make: *** [all] Error 2
make: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_usbredir/usbredir/work/usbredir-0.9.0'
Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_usbredir/usbredir/work/usbredir-0.9.0" && /usr/bin/make -j4 -w all 
Exit code: 2
Error: Failed to build usbredir: command execution failed

And on 10.6.8 with gcc10:

Making all in usbredirserver
make[2]: Entering directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_usbredir/usbredir/work/usbredir-0.9.0/usbredirserver'
/opt/local/bin/gcc-mp-10 -DHAVE_CONFIG_H -I. -I..   -I/opt/local/include -I/opt/local/include/libusb-1.0 -I../usbredirhost -I../usbredirparser -pipe -Os -arch ppc -Wall -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -MT usbredirserver-usbredirserver.o -MD -MP -MF .deps/usbredirserver-usbredirserver.Tpo -c -o usbredirserver-usbredirserver.o `test -f 'usbredirserver.c' || echo './'`usbredirserver.c
usbredirserver.c: In function 'main':
usbredirserver.c:390:48: error: 'TCP_KEEPINTVL' undeclared (first use in this function); did you mean 'TCP_KEEPALIVE'?
  390 |             if (setsockopt(client_fd, SOL_TCP, TCP_KEEPINTVL, &optval, optlen) == -1) {
      |                                                ^~~~~~~~~~~~~
      |                                                TCP_KEEPALIVE
usbredirserver.c:390:48: note: each undeclared identifier is reported only once for each function it appears in
usbredirserver.c:397:48: error: 'TCP_KEEPCNT' undeclared (first use in this function); did you mean 'TCP_KEEPIDLE'?
  397 |             if (setsockopt(client_fd, SOL_TCP, TCP_KEEPCNT, &optval, optlen) == -1) {
      |                                                ^~~~~~~~~~~
      |                                                TCP_KEEPIDLE
make[2]: *** [usbredirserver-usbredirserver.o] Error 1
make[2]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_usbredir/usbredir/work/usbredir-0.9.0/usbredirserver'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_usbredir/usbredir/work/usbredir-0.9.0'
make: *** [all] Error 2
make: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_usbredir/usbredir/work/usbredir-0.9.0'
Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_usbredir/usbredir/work/usbredir-0.9.0" && /usr/bin/make -j4 -w all 
Exit code: 2
Error: Failed to build usbredir: command execution failed