blob: 4d03c8e419eb5d23979ecaa03cfe5355d0502b85 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
#serial 6
dnl From Paul Eggert.
# Define ST_MTIM_NSEC to be the nanoseconds member of struct stat's st_mtim,
# if it exists.
AC_DEFUN([AC_STRUCT_ST_MTIM_NSEC],
[AC_CACHE_CHECK([for nanoseconds member of struct stat.st_mtim],
ac_cv_struct_st_mtim_nsec,
[ac_save_CPPFLAGS="$CPPFLAGS"
ac_cv_struct_st_mtim_nsec=no
# tv_nsec -- the usual case
# _tv_nsec -- Solaris 2.6, if
# (defined _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED == 1
# && !defined __EXTENSIONS__)
# st__tim.tv_nsec -- UnixWare 2.1.2
for ac_val in tv_nsec _tv_nsec st__tim.tv_nsec; do
CPPFLAGS="$ac_save_CPPFLAGS -DST_MTIM_NSEC=$ac_val"
AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/stat.h>], [struct stat s; s.st_mtim.ST_MTIM_NSEC;],
[ac_cv_struct_st_mtim_nsec=$ac_val; break])
done
CPPFLAGS="$ac_save_CPPFLAGS"])
if test $ac_cv_struct_st_mtim_nsec != no; then
AC_DEFINE_UNQUOTED(ST_MTIM_NSEC, $ac_cv_struct_st_mtim_nsec,
[Define to be the nanoseconds member of struct stat's st_mtim,
if it exists.])
fi
]
)
|
