.

diff --git a/Makefile.in b/Makefile.in
index 2c39bb0..e63d047 100644 (file)
--- a/Makefile.in
+++ b/Makefile.in
@@ -216,7 +216,7 @@ $(top_builddir)/config.status: $(srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
 $(srcdir)/configure:  $(srcdir)/configure.ac $(ACLOCAL_M4) $(CONFIGURE_DEPENDENCIES)
        cd $(srcdir) && $(AUTOCONF)
 
-$(ACLOCAL_M4):  configure.ac m4/acl.m4 m4/afs.m4 m4/alloca.m4 m4/assert.m4 m4/bison.m4 m4/boottime.m4 m4/c-stack.m4 m4/canonicalize.m4 m4/check-decl.m4 m4/chown.m4 m4/codeset.m4 m4/d-ino.m4 m4/d-type.m4 m4/dirfd.m4 m4/dos.m4 m4/error.m4 m4/extensions.m4 m4/fnmatch.m4 m4/fpending.m4 m4/fstypename.m4 m4/fsusage.m4 m4/ftruncate.m4 m4/ftw.m4 m4/getcwd-path-max.m4 m4/getcwd.m4 m4/getgroups.m4 m4/getline.m4 m4/getndelim2.m4 m4/gettext.m4 m4/gettimeofday.m4 m4/glibc.m4 m4/glibc21.m4 m4/group-member.m4 m4/host-os.m4 m4/human.m4 m4/iconv.m4 m4/intdiv0.m4 m4/intmax_t.m4 m4/inttypes-pri.m4 m4/inttypes.m4 m4/inttypes_h.m4 m4/isc-posix.m4 m4/jm-macros.m4 m4/jm-mktime.m4 m4/jm-winsz1.m4 m4/jm-winsz2.m4 m4/lchown.m4 m4/lcmessage.m4 m4/lib-check.m4 m4/lib-ld.m4 m4/lib-link.m4 m4/lib-prefix.m4 m4/link-follow.m4 m4/longdouble.m4 m4/longlong.m4 m4/ls-mntd-fs.m4 m4/lstat.m4 m4/mbrtowc.m4 m4/mbswidth.m4 m4/memcmp.m4 m4/memcoll.m4 m4/mkdir-slash.m4 m4/mkstemp.m4 m4/mktime.m4 m4/nanosleep.m4 m4/onceonly.m4 m4/open-max.m4 m4/perl.m4 m4/prereq.m4 m4/progtest.m4 m4/putenv.m4 m4/readdir.m4 m4/regex.m4 m4/rename.m4 m4/restrict.m4 m4/rmdir-errno.m4 m4/search-libs.m4 m4/signed.m4 m4/ssize_t.m4 m4/st_dm_mode.m4 m4/st_mtim.m4 m4/stat.m4 m4/stdbool.m4 m4/stdint_h.m4 m4/strftime.m4 m4/timespec.m4 m4/tm_gmtoff.m4 m4/tzset.m4 m4/uintmax_t.m4 m4/unlink-busy.m4 m4/unlocked-io.m4 m4/uptime.m4 m4/utimbuf.m4 m4/utime.m4 m4/utimens.m4 m4/utimes.m4 m4/vasnprintf.m4 m4/vasprintf.m4 m4/wchar_t.m4 m4/wint_t.m4 m4/xstrtoimax.m4 m4/xstrtoumax.m4
+$(ACLOCAL_M4):  configure.ac m4/acl.m4 m4/afs.m4 m4/alloca.m4 m4/assert.m4 m4/bison.m4 m4/boottime.m4 m4/c-stack.m4 m4/canonicalize.m4 m4/check-decl.m4 m4/chown.m4 m4/codeset.m4 m4/d-ino.m4 m4/d-type.m4 m4/dirfd.m4 m4/dos.m4 m4/error.m4 m4/extensions.m4 m4/fnmatch.m4 m4/fpending.m4 m4/fstypename.m4 m4/fsusage.m4 m4/ftruncate.m4 m4/ftw.m4 m4/getcwd-path-max.m4 m4/getcwd.m4 m4/getgroups.m4 m4/getline.m4 m4/getndelim2.m4 m4/gettext.m4 m4/gettimeofday.m4 m4/glibc.m4 m4/glibc21.m4 m4/group-member.m4 m4/host-os.m4 m4/human.m4 m4/iconv.m4 m4/intdiv0.m4 m4/intmax_t.m4 m4/inttypes-pri.m4 m4/inttypes.m4 m4/inttypes_h.m4 m4/isc-posix.m4 m4/jm-macros.m4 m4/jm-mktime.m4 m4/jm-winsz1.m4 m4/jm-winsz2.m4 m4/lchown.m4 m4/lcmessage.m4 m4/lib-check.m4 m4/lib-ld.m4 m4/lib-link.m4 m4/lib-prefix.m4 m4/link-follow.m4 m4/longdouble.m4 m4/longlong.m4 m4/ls-mntd-fs.m4 m4/lstat.m4 m4/mbrtowc.m4 m4/mbswidth.m4 m4/memcmp.m4 m4/memcoll.m4 m4/mkdir-slash.m4 m4/mkstemp.m4 m4/mktime.m4 m4/nanosleep.m4 m4/onceonly.m4 m4/open-max.m4 m4/perl.m4 m4/prereq.m4 m4/progtest.m4 m4/putenv.m4 m4/readdir.m4 m4/regex.m4 m4/rename.m4 m4/restrict.m4 m4/rmdir-errno.m4 m4/search-libs.m4 m4/signed.m4 m4/ssize_t.m4 m4/st_dm_mode.m4 m4/st_mtim.m4 m4/stat.m4 m4/stdbool.m4 m4/stdint_h.m4 m4/strftime.m4 m4/timespec.m4 m4/tm_gmtoff.m4 m4/tzset.m4 m4/uintmax_t.m4 m4/unlink-busy.m4 m4/unlocked-io.m4 m4/uptime.m4 m4/utimbuf.m4 m4/utime.m4 m4/utimens.m4 m4/utimes-null.m4 m4/utimes.m4 m4/vasnprintf.m4 m4/vasprintf.m4 m4/wchar_t.m4 m4/wint_t.m4 m4/xstrtoimax.m4 m4/xstrtoumax.m4
        cd $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS)
 
 config.h: stamp-h1

diff --git a/aclocal.m4 b/aclocal.m4
index 09d335e..c143820 100644 (file)
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -2430,6 +2430,7 @@ AC_DEFUN([gl_UTIMENS],
 [
   dnl Prerequisites of lib/utimens.c.
   AC_REQUIRE([gl_TIMESPEC])
+  AC_REQUIRE([gl_FUNC_UTIMES])
   AC_REQUIRE([jm_CHECK_TYPE_STRUCT_TIMESPEC])
   AC_REQUIRE([jm_CHECK_TYPE_STRUCT_UTIMBUF])
   AC_CHECK_FUNCS_ONCE(utime)
@@ -2521,6 +2522,53 @@ AC_DEFUN([AC_STRUCT_ST_MTIM_NSEC],
  ]
 )
 
+# See if we need to work around bugs in glibc's implementation of utimes
+# from around July/August 2003.
+# First, there was a bug that would make utimes set mtime and atime
+# to zero (1970-01-01) unconditionally.
+# Then, there is/was code to round rather than truncate.
+#
+# From Jim Meyering, with suggestions from Paul Eggert.
+
+AC_DEFUN([gl_FUNC_UTIMES],
+[
+  AC_CACHE_CHECK([determine whether the utimes function works],
+                gl_cv_func_working_utimes,
+  [
+  AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <utime.h>
+
+int
+main ()
+{
+  static struct timeval timeval[2] = {{9, 10}, {999999, 999999}};
+  struct stat sbuf;
+  char const *file = "x";
+  FILE *f;
+
+  exit ( ! ((f = fopen (file, "w"))
+           && fclose (f) == 0
+           && utimes (file, timeval) == 0
+           && lstat (file, &sbuf) == 0
+           && sbuf.st_atime == timeval[0].tv_sec
+           && sbuf.st_mtime == timeval[1].tv_sec) );
+}
+  ]])],
+       [gl_cv_func_working_utimes=yes],
+       [gl_cv_func_working_utimes=no],
+       [gl_cv_func_working_utimes=no])])
+
+  if test $gl_cv_func_working_utimes = yes; then
+    AC_DEFINE([HAVE_WORKING_UTIMES], 1, [Define if utimes works properly. ])
+  fi
+])
+
 #serial 5
 
 dnl A replacement for autoconf's macro by the same name.  This version

diff --git a/config.hin b/config.hin
index 5377ae1..fb8e14d 100644 (file)
--- a/config.hin
+++ b/config.hin
@@ -1121,6 +1121,9 @@
 /* Define if readdir is found to work properly in some unusual cases. */
 #undef HAVE_WORKING_READDIR
 
+/* Define if utimes works properly. */
+#undef HAVE_WORKING_UTIMES
+
 /* Define to 1 if the system has the type `_Bool'. */
 #undef HAVE__BOOL