Fix conditional and comment.

diff --git a/ChangeLog b/ChangeLog
index c53de8bf69a0aa1d1a01e830ac34c2bc86c817ee..cd26cfc4108249c434bad3f99247ae03866d56c3 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2008-12-23  Bruno Haible  <bruno@clisp.org>
+
+       * m4/fsusage.m4 (gl_FILE_SYSTEM_USAGE): Fix conditional and comment.
+
 2008-12-23  Bruno Haible  <bruno@clisp.org>
 
        Module getaddrinfo requires linking with $(GETADDRINFO_LIB).

diff --git a/m4/fsusage.m4 b/m4/fsusage.m4
index 18eedbca5664742ce53e3252134105563b21096d..c99d0ec8b64c4446f12b67bfe5daf624d89f72ca 100644 (file)
--- a/m4/fsusage.m4
+++ b/m4/fsusage.m4
@@ -1,7 +1,7 @@
 #serial 23
 # Obtaining file system usage information.
 
-# Copyright (C) 1997, 1998, 2000, 2001, 2003-2007 Free Software Foundation, Inc.
+# Copyright (C) 1997, 1998, 2000, 2001, 2003-2008 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -47,12 +47,12 @@ if test $ac_fsusage_space = no; then
   # SVR4
   AC_CACHE_CHECK([for statvfs function (SVR4)], fu_cv_sys_stat_statvfs,
                 [AC_TRY_LINK([#include <sys/types.h>
-#if defined __GLIBC__ && !defined __BEOS__
-Do not use statvfs on systems with GNU libc, because that function stats
-all preceding entries in /proc/mounts, and that makes df hang if even
+#if defined __GLIBC__ && defined __linux__
+Do not use statvfs on systems with GNU libc on Linux, because that function
+stats all preceding entries in /proc/mounts, and that makes df hang if even
 one of the corresponding file systems is hard-mounted, but not available.
-statvfs in GNU libc on BeOS operates differently: it only makes a system
-call.
+statvfs in GNU libc on Hurd, BeOS, Haiku operates differently: it only makes
+a system call.
 #endif
 
 #ifdef __osf__