--- ../diffutils-2.8.7-orig/configure.ac	2004-04-13 15:55:43 +0900
+++ configure.ac	2007-12-23 21:39:10 +0900
@@ -68,6 +68,10 @@
 XGETTEXT="AWK='$AWK' \$(SHELL) \$(top_srcdir)/exgettext $XGETTEXT"
 
 
+AC_ARG_ENABLE(nanosecond-timestamps,
+              [AS_HELP_STRING([--disable-nanosecond-timestamps],
+                              [disable nanosecond resolution in timestamps])],
+              [if test "no" = "$enableval"; then ac_cv_search_clock_gettime=no; fi])
 # Check for clock_gettime and its library.  Solaris puts it in -lrt or
 # -lposix4, but we don't want to link that library unless we have to.
 diff_saved_libs=$LIBS
--- ../diffutils-2.8.7-orig/configure	2004-04-13 16:04:38 +0900
+++ configure	2007-12-23 21:43:34 +0900
@@ -864,6 +864,8 @@
   --disable-largefile     omit support for large files
   --disable-nls           do not use Native Language Support
   --disable-rpath         do not hardcode runtime library paths
+  --disable-nanosecond-timestamps
+                          disable nanosecond resolution in timestamps
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -17868,6 +17870,11 @@
 XGETTEXT="AWK='$AWK' \$(SHELL) \$(top_srcdir)/exgettext $XGETTEXT"
 
 
+# Check whether --enable-nanosecond-timestamps was given.
+if test "${enable_nanosecond_timestamps+set}" = set; then
+  enableval=$enable_nanosecond_timestamps; if test "no" = "$enableval"; then ac_cv_search_clock_gettime=no; fi
+fi
+
 # Check for clock_gettime and its library.  Solaris puts it in -lrt or
 # -lposix4, but we don't want to link that library unless we have to.
 diff_saved_libs=$LIBS
--- ../diffutils-2.8.7-orig/src/context.c	2004-04-12 16:44:35 +0900
+++ src/context.c	2007-12-23 21:39:10 +0900
@@ -62,7 +62,11 @@
 	{
 	  long int sec = inf->stat.st_mtime;
 	  verify (info_preserved, sizeof inf->stat.st_mtime <= sizeof sec);
+#if HAVE_CLOCK_GETTIME
 	  sprintf (buf, "%ld.%.9d", sec, nsec);
+#else
+	  sprintf (buf, "%ld", sec);
+#endif
 	}
       fprintf (outfile, "%s %s\t%s\n", mark, inf->name, buf);
     }
--- ../diffutils-2.8.7-orig/src/diff.c	2004-04-12 16:44:35 +0900
+++ src/diff.c	2007-12-23 21:42:10 +0900
@@ -620,7 +620,7 @@
 
   if (output_style != OUTPUT_CONTEXT || hard_locale (LC_TIME))
     {
-#ifdef ST_MTIM_NSEC
+#if defined(ST_MTIM_NSEC) && HAVE_CLOCK_GETTIME
       time_format = "%Y-%m-%d %H:%M:%S.%N %z";
 #else
       time_format = "%Y-%m-%d %H:%M:%S %z";