cfengine-1.5.3 pthread compilation problem (FreeBSD 4.2)

[senanu]

I am trying to compile cfengine-1.5.3.these are the relevant details.
uname -a
FreeBSD  4.2-RELEASE FreeBSD 4.2-RELEASE #0: Mon Nov 20 13:02:55 GMT
2000     address@hidden:/usr/src/sys/compile/GENERIC  i386


pth-config --version
GNU Pth 1.3.7 (29-Jul-2000)

I am getting the following errors.

gcc -c -I/usr/local/include -pthread -DHAVE_CONFIG_H cfd.c
cfd.c: In function `SpawnConnection':
cfd.c:533: `_SC_THREAD_STACK_MIN' undeclared (first use in this
function)
cfd.c:533: (Each undeclared identifier is reported only once
cfd.c:533: for each function it appears in.)
cfd.c: In function `BusyWithConnection':
cfd.c:790: structure has no member named `__pthread_connect'
cfd.c:836: structure has no member named `__pthread_connect'
cfd.c: In function `CfGetFile':
cfd.c:1756: structure has no member named `__pthread_connect'
cfd.c:1759: structure has no member named `__pthread_connect'
cfd.c:1775: structure has no member named `__pthread_connect'
cfd.c:1779: structure has no member named `__pthread_connect'
cfd.c:1786: structure has no member named `__pthread_connect'
cfd.c:1790: structure has no member named `__pthread_connect'
cfd.c:1791: structure has no member named `__pthread_connect'
cfd.c:1799: structure has no member named `__pthread_connect'
cfd.c:1800: structure has no member named `__pthread_connect'
cfd.c:1807: structure has no member named `__pthread_connect'
*** Error code 1

Stop in /usr/local/src/cfengine/cfengine-1.5.3/src.
*** Error code 1

Stop in /usr/local/src/cfengine/44

I am wondering whether anyone has had similar errors.
If this is the case then what could I be doing wrong
and is there a fix?