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patch 8.2.3510: changes are only detected with one second accuracy

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Problem:    Changes are only detected with one second accuracy.
Solution:   Use the nanosecond time if possible.  (Leah Neukirchen,
            closes #8873, closes #8875)
This commit is contained in:
Leah Neukirchen
2021-10-14 21:27:55 +01:00
committed by Bram Moolenaar
parent 340dd0fbe4
commit 0a7984af56
13 changed files with 151 additions and 6 deletions
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46
src/auto/configure vendored
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@@ -13149,6 +13149,52 @@ if test "x$vim_cv_stat_ignores_slash" = "xyes" ; then
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for nanoseconds field of struct stat" >&5
$as_echo_n "checking for nanoseconds field of struct stat... " >&6; }
if ${ac_cv_struct_st_mtim_nsec+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_save_CPPFLAGS="$CPPFLAGS"
ac_cv_struct_st_mtim_nsec=no
# st_mtim.tv_nsec -- the usual case
# st_mtim._tv_nsec -- Solaris 2.6, if
# (defined _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED == 1
# && !defined __EXTENSIONS__)
# st_mtim.st__tim.tv_nsec -- UnixWare 2.1.2
# st_mtime_n -- AIX 5.2 and above
# st_mtimespec.tv_nsec -- Darwin (Mac OSX)
for ac_val in st_mtim.tv_nsec st_mtim._tv_nsec st_mtim.st__tim.tv_nsec st_mtime_n st_mtimespec.tv_nsec; do
CPPFLAGS="$ac_save_CPPFLAGS -DST_MTIM_NSEC=$ac_val"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <sys/types.h>
#include <sys/stat.h>
int
main ()
{
struct stat s; s.ST_MTIM_NSEC;
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
ac_cv_struct_st_mtim_nsec=$ac_val; break
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
done
CPPFLAGS="$ac_save_CPPFLAGS"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_struct_st_mtim_nsec" >&5
$as_echo "$ac_cv_struct_st_mtim_nsec" >&6; }
if test $ac_cv_struct_st_mtim_nsec != no; then
cat >>confdefs.h <<_ACEOF
#define ST_MTIM_NSEC $ac_cv_struct_st_mtim_nsec
_ACEOF
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for iconv_open()" >&5
$as_echo_n "checking for iconv_open()... " >&6; }
save_LIBS="$LIBS"