* m4/fsusage.m4 (gl_FILE_SYSTEM_USAGE): Don't consider BeOS statvfs

as unusable.

diff --git a/m4/ChangeLog b/m4/ChangeLog
index 21de085..7957ca3 100644 (file)
--- a/m4/ChangeLog
+++ b/m4/ChangeLog
@@ -1,5 +1,8 @@
 2006-08-23  Bruno Haible  <bruno@clisp.org>
 
+       * fsusage.m4 (gl_FILE_SYSTEM_USAGE): Don't consider BeOS statvfs
+       as unusable.
+
        * lock.m4 (gl_LOCK_EARLY): Renamed from gl_LOCK.
        (gl_LOCK_BODY): Remove gl_PREREQ_LOCK invocation.
        (gl_LOCK): New macro.

diff --git a/m4/fsusage.m4 b/m4/fsusage.m4
index 78266f1..23116b5 100644 (file)
--- a/m4/fsusage.m4
+++ b/m4/fsusage.m4
@@ -1,4 +1,4 @@
-#serial 18
+#serial 19
 # Obtaining file system usage information.
 
 # Copyright (C) 1997, 1998, 2000, 2001, 2003, 2004, 2005, 2006 Free Software
@@ -48,10 +48,12 @@ 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>
-#ifdef __GLIBC__
+#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
 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.
 #endif
 #include <sys/statvfs.h>],
                              [struct statvfs fsd; statvfs (0, &fsd);],