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AC_DEFUN([DOVECOT_ST_TIM_TIMESPEC], [
AC_CACHE_CHECK([if struct stat has st_?tim timespec fields],i_cv_have_st_tim_timespec,[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#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
])
])
AS_IF([test $i_cv_have_st_tim_timespec = yes], [
AC_DEFINE(HAVE_STAT_XTIM,, [Define if you have st_?tim timespec fields in struct stat])
])
AC_CACHE_CHECK([if struct stat has st_?timespec fields],i_cv_have_st_timespec,[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#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
])
])
AS_IF([test $i_cv_have_st_timespec = yes], [
AC_DEFINE(HAVE_STAT_XTIMESPEC,, [Define if you have st_?timespec fields in struct stat])
])
])
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