AC_MSG_CHECKING([zfs devel headers])
AS_IF([test -z "${zfsinc}"], [
AS_IF([test -e "${zfssrc}/include/libzfs.h" && test -e "${zfssrc}/lib/libspl/include"], [
AC_MSG_CHECKING([zfs devel headers])
AS_IF([test -z "${zfsinc}"], [
AS_IF([test -e "${zfssrc}/include/libzfs.h" && test -e "${zfssrc}/lib/libspl/include"], [