read-file: Don't occupy too much unused memory.

[gnulib.git] / m4 / utimensat.m4

diff --git a/m4/utimensat.m4 b/m4/utimensat.m4
index 21e1ea5..1110e07 100644 (file)
--- a/m4/utimensat.m4
+++ b/m4/utimensat.m4
@@ -1,7 +1,7 @@
-# serial 2
+# serial 3
 # See if we need to provide utimensat replacement.
 
-dnl Copyright (C) 2009 Free Software Foundation, Inc.
+dnl Copyright (C) 2009, 2010 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -35,10 +35,12 @@ AC_DEFUN([gl_FUNC_UTIMENSAT],
       if (utimensat (AT_FDCWD, f, ts, 0)) return 4;
       if (stat (f, &st)) return 5;
       if (st.st_ctime < st.st_atime) return 6;]])],
+dnl FIXME: simplify this in 2012, when file system bugs are no longer common
          [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #ifdef __linux__
 /* The Linux kernel added utimensat in 2.6.22, but has bugs with UTIME_OMIT
-   in 2.6.32.  Always replace utimensat to support older kernels.  */
+   in several file systems as recently as 2.6.32.  Always replace utimensat
+   to support older kernels.  */
 choke me
 #endif
       ]])],