* configure.in (SIM_CHECK_MEMBERS): Call for struct stat members
st_dev, st_ino, st_mode, st_nlink, st_uid, st_gid, st_rdev,
st_size, st_blksize, st_blocks, st_atime, st_mtime and st_ctime.
* aclocal.m4 (SIM_CHECK_MEMBER, SIM_CHECK_MEMBERS_1)
(SIM_CHECK_MEMBERS): New macros.
* callback.c (cb_host_to_target_stat): Use temporary macro ST_x
for struct stat member test and write. Add ST_x calls for each
struct stat member tested in configure.in. Wrap each ST_x call in
#ifdef of configure macro for that member.
* configure, config.in: Regenerate.