unable to compile monit on 10.4 OS X

[Olivier Kaloudoff]

Hello list,

        did someone try monit on OS X yet ?
I'm unable to compile with the following error;

gcc -c -DDARWIN -I. -I./device -I./http -I./process -I./protocols -g -O2 
-Wall -DREENTRANT -no-cpp-precomp -DNEED_SOCKLEN_T_DEFINED 
process/sysdep_DARWIN.c -o process/sysdep_DARWIN.o
process/sysdep_DARWIN.c: In function 'initprocesstree_sysdep':
process/sysdep_DARWIN.c:174: error: 'struct vmspace' has no member named 
'vm_rssize'
process/sysdep_DARWIN.c: In function 'used_system_memory_sysdep':
process/sysdep_DARWIN.c:212: warning: implicit declaration of function 
'mach_host_self'
make: *** [process/sysdep_DARWIN.o] Error 1
imac-g5-de-olivier-kaloudoff:~/monit-4.7 kalou$ gcc --version
powerpc-apple-darwin8-gcc-4.0.0 (GCC) 4.0.0 (Apple Computer, Inc. build 
5026)
Copyright (C) 2005 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR 
PURPOSE.

imac-g5-de-olivier-kaloudoff:~/monit-4.7 kalou$ uname -a
Darwin imac-g5-de-olivier-kaloudoff.local 8.4.0 Darwin Kernel Version 
8.4.0: Tue Jan  3 18:22:10 PST 2006; root:xnu-792.6.56.obj~1/RELEASE_PPC 
Power Macintosh powerpc