qmail install vil ik gennemføre make setup check

Hey
når jeg skriver make setup check i min qmail installation får jeg denne fejl.

./compile qmail-local.c
qmail-local.c:1:23: sys/types.h: No such file or directory
qmail-local.c:2:22: sys/stat.h: No such file or directory
qmail-local.c: In function `maildir_child':
qmail-local.c:85: storage size of `st' isn't known
qmail-local.c: In function `checkhome':
qmail-local.c:313: storage size of `st' isn't known
qmail-local.c: In function `qmeox':
qmail-local.c:329: storage size of `st' isn't known
qmail-local.c: In function `qmeexists':
qmail-local.c:348: storage size of `st' isn't known
qmail-local.c:361: `S_IFMT' undeclared (first use in this function)
qmail-local.c:361: (Each undeclared identifier is reported only once
qmail-local.c:361: for each function it appears in.)
qmail-local.c:361: `S_IFREG' undeclared (first use in this function)
qmail-local.c: In function `main':
qmail-local.c:450: warning: return type of `main' is not `int'
make: *** [qmail-local.o] Error 1


Jeg kan ik lige gennemskuge hvad problemet er. er der nogen der kan det ?