X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fst_mtim.m4;h=ec58bef31b2d0d5964def47cc1730985aa1c414b;hb=378873e8508590d356a540e5db32592750fb18b8;hp=ed19c3d71d23a01dc21932dabba703058ef94d96;hpb=58c292019ea55606399cfaee76b969948f9dda09;p=gnulib.git

diff --git a/m4/st_mtim.m4 b/m4/st_mtim.m4
index ed19c3d71..ec58bef31 100644
--- a/m4/st_mtim.m4
+++ b/m4/st_mtim.m4
@@ -1,4 +1,4 @@
-#serial 3
+#serial 4
 
 dnl From Paul Eggert.
 
@@ -24,7 +24,9 @@ AC_DEFUN(AC_STRUCT_ST_MTIM_NSEC,
     CPPFLAGS="$ac_save_CPPFLAGS"])
 
   if test $ac_cv_struct_st_mtim_nsec != no; then
-    AC_DEFINE_UNQUOTED(ST_MTIM_NSEC, $ac_cv_struct_st_mtim_nsec)
+    AC_DEFINE_UNQUOTED(ST_MTIM_NSEC, $ac_cv_struct_st_mtim_nsec,
+      [Define to be the nanoseconds member of struct stat's st_mtim,
+   if it exists.])
   fi
  ]
 )