pthread bug when configuring cfengine on aix 4.3

[Luke A. Kanies]

I got the following messages when configuring cfengine 2.1.0b5 on AIX 4.3:

checking pthread.h presence... configure: WARNING: pthread.h: present but
cannot be compiled
yes
configure: WARNING: pthread.h: check for missing prerequisite headers?
configure: WARNING: pthread.h: proceeding with the preprocessor's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##
checking for pthread.h... yes
checking sched.h usability... no
checking sched.h presence... configure: WARNING: sched.h: present but
cannot be compiled
yes
configure: WARNING: sched.h: check for missing prerequisite headers?
configure: WARNING: sched.h: proceeding with the preprocessor's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##

So, here you go.

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