conserver solaris 10 complie error

 Hi,

Can anyone help with the below compile error.

Thanks David

$ make
for n in conserver console conserver.cf; do \
        ( cd $n && make all  ) || exit 1;  \
done
make[1]: Entering directory `/tmp/conserver-8.1.13/conserver'
gcc -O -I.. -I.. -I. -DHAVE_CONFIG_H -DSYSCONFDIR=\"/usr/local/etc\"   -c -o group.o group.c
group.c: In function `ReapVirt':
group.c:1497: error: `WNOHANG' undeclared (first use in this function)
group.c:1497: error: (Each undeclared identifier is reported only once
group.c:1497: error: for each function it appears in.)
group.c:1497: error: `WUNTRACED' undeclared (first use in this function)
group.c: In function `Kiddie':
group.c:4143: warning: passing arg 2 of `SimpleSignal' from incompatible pointer type
group.c:4144: warning: passing arg 2 of `SimpleSignal' from incompatible pointer type
group.c:4146: warning: passing arg 2 of
  `SimpleSignal' from incompatible pointer type
group.c:4149: warning: passing arg 2 of `SimpleSignal' from incompatible pointer type
group.c:4152: warning: passing arg 2 of `SimpleSignal' from incompatible pointer  type
group.c:4155: warning: passing arg 2 of `SimpleSignal' from incompatible pointer type
make[1]: *** [group.o] Error 1
make[1]: Leaving directory `/tmp/conserver-8.1.13/conserver'
make: *** [all] Error 1

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