tmux fails to compile on powerpc

[Bee]

Tried to:
port install tmux

And it failed.

10.4.11
PowerBook G3 Pismo 500MHz

Does it require a newer system? or?

Bill

This is the last lines of main.log

" -------1---------2---------3---------4---------5---------6----
:info:build osdep-darwin.c:23:21: error: libproc.h: No such file or  
directory
:info:build osdep-darwin.c: In function ‘osdep_get_cwd’:
:info:build osdep-darwin.c:57: error: storage size of ‘pathinfo’  
isn’t known
:info:build osdep-darwin.c:64: warning: implicit declaration of  
function ‘proc_pidinfo’
:info:build osdep-darwin.c:65: error: ‘PROC_PIDVNODEPATHINFO’  
undeclared (first use in this function)
:info:build osdep-darwin.c:65: error: (Each undeclared identifier is  
reported only once
:info:build osdep-darwin.c:65: error: for each function it appears in.)
:info:build make: *** [osdep-darwin.o] Error 1
:info:build make: Leaving directory `/opt/local/var/macports/build/ 
_opt_local_var_macports_sources_rsync.macports.org_release_ports_sysutil 
s_tmux/tmux/work/tmux-1.7'
:info:build Command failed:  cd "/opt/local/var/macports/build/ 
_opt_local_var_macports_sources_rsync.macports.org_release_ports_sysutil 
s_tmux/tmux/work/tmux-1.7" && /usr/bin/make -w all
:info:build Exit code: 2
:error:build org.macports.build for port tmux returned: command  
execution failed
:debug:build Error code: CHILDSTATUS 26295 2
:debug:build Backtrace: command execution failed
     while executing
"system -nice 10 $fullcmdstring"
     ("eval" body line 1)
     invoked from within
"eval system $notty $nice \$fullcmdstring"
     invoked from within
"command_exec build"
     (procedure "portbuild::build_main" line 8)
     invoked from within
"$procedure $targetname"
:info:build Warning: targets not executed for tmux:  
org.macports.activate org.macports.build org.macports.destroot  
org.macports.install
:notice:build Please see the log file for port tmux for details:
     /opt/local/var/macports/logs/ 
_opt_local_var_macports_sources_rsync.macports.org_release_ports_sysutil 
s_tmux/tmux/main.log
" -------1---------2---------3---------4---------5---------6----