AC_DEFUN([DOVECOT_ST_TIM_TIMESPEC], [

AC_CACHE_CHECK([if struct stat has st_?tim timespec fields],i_cv_have_st_tim_timespec,[

AC_TRY_COMPILE([

#include <sys/types.h>

#include <sys/stat.h>

#include <unistd.h>

], [

struct stat st;

unsigned long x = st.st_mtim.tv_nsec;

return 0;

], [

i_cv_have_st_tim_timespec=yes

], [

i_cv_have_st_tim_timespec=no

])

])

if test $i_cv_have_st_tim_timespec = yes; then

AC_DEFINE(HAVE_STAT_XTIM,, [Define if you have st_?tim timespec fields in struct stat])

fi

AC_CACHE_CHECK([if struct stat has st_?timespec fields],i_cv_have_st_timespec,[

AC_TRY_COMPILE([

#include <sys/types.h>

#include <sys/stat.h>

#include <unistd.h>

], [

struct stat st;

unsigned long x = st.st_mtimespec.tv_nsec;

return 0;

], [

i_cv_have_st_timespec=yes

], [

i_cv_have_st_timespec=no

])

])

if test $i_cv_have_st_timespec = yes; then

AC_DEFINE(HAVE_STAT_XTIMESPEC,, [Define if you have st_?timespec fields in struct stat])

fi

])