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authorTon Voon <tonvoon@users.sourceforge.net>2007-01-24 22:47:25 +0000
committerTon Voon <tonvoon@users.sourceforge.net>2007-01-24 22:47:25 +0000
commitfe856aa957978504137c1d425815d4ed8a22be40 (patch)
treea5bb46ce0e64b2056f75700eadbf27aba7c39418 /m4/ls-mntd-fs.m4
parent210f39bc84cfbb21cd72dc054e43f13815ee0616 (diff)
downloadmonitoring-plugins-fe856aa957978504137c1d425815d4ed8a22be40.tar.gz
Sync with gnulib - lots of extraneous code removed in preference to GNU code
git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1580 f882894a-f735-0410-b71e-b25c423dba1c
Diffstat (limited to 'm4/ls-mntd-fs.m4')
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diff --git a/m4/ls-mntd-fs.m4 b/m4/ls-mntd-fs.m4
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1#serial 21
2# How to list mounted file systems.
3
4# Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006 Free Software
5# Foundation, Inc.
6#
7# This file is free software; the Free Software Foundation
8# gives unlimited permission to copy and/or distribute it,
9# with or without modifications, as long as this notice is preserved.
10
11dnl From Jim Meyering.
12dnl
13dnl This is not pretty. I've just taken the autoconf code and wrapped
14dnl it in an AC_DEFUN and made some other fixes.
15dnl
16
17# Replace Autoconf's AC_FUNC_GETMNTENT to work around a bug in Autoconf
18# through Autoconf 2.59. We can remove this once we assume Autoconf 2.60
19# or later.
20AC_DEFUN([AC_FUNC_GETMNTENT],
21[# getmntent is in the standard C library on UNICOS, in -lsun on Irix 4,
22# -lseq on Dynix/PTX, -lgen on Unixware.
23AC_SEARCH_LIBS(getmntent, [sun seq gen])
24AC_CHECK_FUNCS(getmntent)
25])
26
27# gl_LIST_MOUNTED_FILE_SYSTEMS([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
28AC_DEFUN([gl_LIST_MOUNTED_FILE_SYSTEMS],
29 [
30AC_CHECK_FUNCS(listmntent getmntinfo)
31AC_CHECK_HEADERS_ONCE(sys/param.h)
32
33# We must include grp.h before ucred.h on OSF V4.0, since ucred.h uses
34# NGROUPS (as the array dimension for a struct member) without a definition.
35AC_CHECK_HEADERS(sys/ucred.h, [], [], [#include <grp.h>])
36
37AC_CHECK_HEADERS(sys/mount.h, [], [],
38 [AC_INCLUDES_DEFAULT
39 [#if HAVE_SYS_PARAM_H
40 #include <sys/param.h>
41 #endif]])
42
43AC_CHECK_HEADERS(mntent.h sys/fs_types.h)
44 getfsstat_includes="\
45$ac_includes_default
46#if HAVE_SYS_PARAM_H
47# include <sys/param.h> /* needed by powerpc-apple-darwin1.3.7 */
48#endif
49#if HAVE_SYS_UCRED_H
50# include <grp.h> /* needed for definition of NGROUPS */
51# include <sys/ucred.h> /* needed by powerpc-apple-darwin1.3.7 */
52#endif
53#if HAVE_SYS_MOUNT_H
54# include <sys/mount.h>
55#endif
56#if HAVE_SYS_FS_TYPES_H
57# include <sys/fs_types.h> /* needed by powerpc-apple-darwin1.3.7 */
58#endif
59"
60AC_CHECK_MEMBERS([struct fsstat.f_fstypename],,,[$getfsstat_includes])
61
62# Determine how to get the list of mounted file systems.
63ac_list_mounted_fs=
64
65# If the getmntent function is available but not in the standard library,
66# make sure LIBS contains the appropriate -l option.
67AC_FUNC_GETMNTENT
68
69# This test must precede the ones for getmntent because Unicos-9 is
70# reported to have the getmntent function, but its support is incompatible
71# with other getmntent implementations.
72
73# NOTE: Normally, I wouldn't use a check for system type as I've done for
74# `CRAY' below since that goes against the whole autoconf philosophy. But
75# I think there is too great a chance that some non-Cray system has a
76# function named listmntent to risk the false positive.
77
78if test -z "$ac_list_mounted_fs"; then
79 # Cray UNICOS 9
80 AC_MSG_CHECKING([for listmntent of Cray/Unicos-9])
81 AC_CACHE_VAL(fu_cv_sys_mounted_cray_listmntent,
82 [fu_cv_sys_mounted_cray_listmntent=no
83 AC_EGREP_CPP(yes,
84 [#ifdef _CRAY
85yes
86#endif
87 ], [test $ac_cv_func_listmntent = yes \
88 && fu_cv_sys_mounted_cray_listmntent=yes]
89 )
90 ]
91 )
92 AC_MSG_RESULT($fu_cv_sys_mounted_cray_listmntent)
93 if test $fu_cv_sys_mounted_cray_listmntent = yes; then
94 ac_list_mounted_fs=found
95 AC_DEFINE(MOUNTED_LISTMNTENT, 1,
96 [Define if there is a function named listmntent that can be used to
97 list all mounted file systems. (UNICOS)])
98 fi
99fi
100
101if test -z "$ac_list_mounted_fs"; then
102 # AIX.
103 AC_MSG_CHECKING([for mntctl function and struct vmount])
104 AC_CACHE_VAL(fu_cv_sys_mounted_vmount,
105 [AC_TRY_CPP([#include <fshelp.h>],
106 fu_cv_sys_mounted_vmount=yes,
107 fu_cv_sys_mounted_vmount=no)])
108 AC_MSG_RESULT($fu_cv_sys_mounted_vmount)
109 if test $fu_cv_sys_mounted_vmount = yes; then
110 ac_list_mounted_fs=found
111 AC_DEFINE(MOUNTED_VMOUNT, 1,
112 [Define if there is a function named mntctl that can be used to read
113 the list of mounted file systems, and there is a system header file
114 that declares `struct vmount.' (AIX)])
115 fi
116fi
117
118if test $ac_cv_func_getmntent = yes; then
119
120 # This system has the getmntent function.
121 # Determine whether it's the one-argument variant or the two-argument one.
122
123 if test -z "$ac_list_mounted_fs"; then
124 # 4.3BSD, SunOS, HP-UX, Dynix, Irix
125 AC_MSG_CHECKING([for one-argument getmntent function])
126 AC_CACHE_VAL(fu_cv_sys_mounted_getmntent1,
127 [AC_TRY_COMPILE([
128/* SunOS 4.1.x /usr/include/mntent.h needs this for FILE */
129#include <stdio.h>
130
131#include <mntent.h>
132#if !defined MOUNTED
133# if defined _PATH_MOUNTED /* GNU libc */
134# define MOUNTED _PATH_MOUNTED
135# endif
136# if defined MNT_MNTTAB /* HP-UX. */
137# define MOUNTED MNT_MNTTAB
138# endif
139# if defined MNTTABNAME /* Dynix. */
140# define MOUNTED MNTTABNAME
141# endif
142#endif
143],
144 [ struct mntent *mnt = 0; char *table = MOUNTED; ],
145 fu_cv_sys_mounted_getmntent1=yes,
146 fu_cv_sys_mounted_getmntent1=no)])
147 AC_MSG_RESULT($fu_cv_sys_mounted_getmntent1)
148 if test $fu_cv_sys_mounted_getmntent1 = yes; then
149 ac_list_mounted_fs=found
150 AC_DEFINE(MOUNTED_GETMNTENT1, 1,
151 [Define if there is a function named getmntent for reading the list
152 of mounted file systems, and that function takes a single argument.
153 (4.3BSD, SunOS, HP-UX, Dynix, Irix)])
154 fi
155 fi
156
157 if test -z "$ac_list_mounted_fs"; then
158 # SVR4
159 AC_MSG_CHECKING([for two-argument getmntent function])
160 AC_CACHE_VAL(fu_cv_sys_mounted_getmntent2,
161 [AC_EGREP_HEADER(getmntent, sys/mnttab.h,
162 fu_cv_sys_mounted_getmntent2=yes,
163 fu_cv_sys_mounted_getmntent2=no)])
164 AC_MSG_RESULT($fu_cv_sys_mounted_getmntent2)
165 if test $fu_cv_sys_mounted_getmntent2 = yes; then
166 ac_list_mounted_fs=found
167 AC_DEFINE(MOUNTED_GETMNTENT2, 1,
168 [Define if there is a function named getmntent for reading the list of
169 mounted file systems, and that function takes two arguments. (SVR4)])
170 fi
171 fi
172
173fi
174
175if test -z "$ac_list_mounted_fs"; then
176 # DEC Alpha running OSF/1, and Apple Darwin 1.3.
177 # powerpc-apple-darwin1.3.7 needs sys/param.h sys/ucred.h sys/fs_types.h
178
179 AC_MSG_CHECKING([for getfsstat function])
180 AC_CACHE_VAL(fu_cv_sys_mounted_getfsstat,
181 [AC_TRY_LINK([
182#include <sys/types.h>
183#if HAVE_STRUCT_FSSTAT_F_FSTYPENAME
184# define FS_TYPE(Ent) ((Ent).f_fstypename)
185#else
186# define FS_TYPE(Ent) mnt_names[(Ent).f_type]
187#endif
188]$getfsstat_includes
189,
190 [struct statfs *stats;
191 int numsys = getfsstat ((struct statfs *)0, 0L, MNT_WAIT);
192 char *t = FS_TYPE (*stats); ],
193 fu_cv_sys_mounted_getfsstat=yes,
194 fu_cv_sys_mounted_getfsstat=no)])
195 AC_MSG_RESULT($fu_cv_sys_mounted_getfsstat)
196 if test $fu_cv_sys_mounted_getfsstat = yes; then
197 ac_list_mounted_fs=found
198 AC_DEFINE(MOUNTED_GETFSSTAT, 1,
199 [Define if there is a function named getfsstat for reading the
200 list of mounted file systems. (DEC Alpha running OSF/1)])
201 fi
202fi
203
204if test -z "$ac_list_mounted_fs"; then
205 # SVR3
206 AC_MSG_CHECKING([for FIXME existence of three headers])
207 AC_CACHE_VAL(fu_cv_sys_mounted_fread_fstyp,
208 [AC_TRY_CPP([
209#include <sys/statfs.h>
210#include <sys/fstyp.h>
211#include <mnttab.h>],
212 fu_cv_sys_mounted_fread_fstyp=yes,
213 fu_cv_sys_mounted_fread_fstyp=no)])
214 AC_MSG_RESULT($fu_cv_sys_mounted_fread_fstyp)
215 if test $fu_cv_sys_mounted_fread_fstyp = yes; then
216 ac_list_mounted_fs=found
217 AC_DEFINE(MOUNTED_FREAD_FSTYP, 1,
218 [Define if (like SVR2) there is no specific function for reading the
219 list of mounted file systems, and your system has these header files:
220 <sys/fstyp.h> and <sys/statfs.h>. (SVR3)])
221 fi
222fi
223
224if test -z "$ac_list_mounted_fs"; then
225 # 4.4BSD and DEC OSF/1.
226 AC_MSG_CHECKING([for getmntinfo function])
227 AC_CACHE_VAL(fu_cv_sys_mounted_getmntinfo,
228 [
229 test "$ac_cv_func_getmntinfo" = yes \
230 && fu_cv_sys_mounted_getmntinfo=yes \
231 || fu_cv_sys_mounted_getmntinfo=no
232 ])
233 AC_MSG_RESULT($fu_cv_sys_mounted_getmntinfo)
234 if test $fu_cv_sys_mounted_getmntinfo = yes; then
235 ac_list_mounted_fs=found
236 AC_DEFINE(MOUNTED_GETMNTINFO, 1,
237 [Define if there is a function named getmntinfo for reading the
238 list of mounted file systems. (4.4BSD, Darwin)])
239 fi
240fi
241
242if test -z "$ac_list_mounted_fs"; then
243 # Ultrix
244 AC_MSG_CHECKING([for getmnt function])
245 AC_CACHE_VAL(fu_cv_sys_mounted_getmnt,
246 [AC_TRY_CPP([
247#include <sys/fs_types.h>
248#include <sys/mount.h>],
249 fu_cv_sys_mounted_getmnt=yes,
250 fu_cv_sys_mounted_getmnt=no)])
251 AC_MSG_RESULT($fu_cv_sys_mounted_getmnt)
252 if test $fu_cv_sys_mounted_getmnt = yes; then
253 ac_list_mounted_fs=found
254 AC_DEFINE(MOUNTED_GETMNT, 1,
255 [Define if there is a function named getmnt for reading the list of
256 mounted file systems. (Ultrix)])
257 fi
258fi
259
260if test -z "$ac_list_mounted_fs"; then
261 # BeOS
262 AC_CHECK_FUNCS(next_dev fs_stat_dev)
263 AC_CHECK_HEADERS(fs_info.h)
264 AC_MSG_CHECKING([for BEOS mounted file system support functions])
265 if test $ac_cv_header_fs_info_h = yes \
266 && test $ac_cv_func_next_dev = yes \
267 && test $ac_cv_func_fs_stat_dev = yes; then
268 fu_result=yes
269 else
270 fu_result=no
271 fi
272 AC_MSG_RESULT($fu_result)
273 if test $fu_result = yes; then
274 ac_list_mounted_fs=found
275 AC_DEFINE(MOUNTED_FS_STAT_DEV, 1,
276 [Define if there are functions named next_dev and fs_stat_dev for
277 reading the list of mounted file systems. (BeOS)])
278 fi
279fi
280
281if test -z "$ac_list_mounted_fs"; then
282 # SVR2
283 AC_MSG_CHECKING([whether it is possible to resort to fread on /etc/mnttab])
284 AC_CACHE_VAL(fu_cv_sys_mounted_fread,
285 [AC_TRY_CPP([#include <mnttab.h>],
286 fu_cv_sys_mounted_fread=yes,
287 fu_cv_sys_mounted_fread=no)])
288 AC_MSG_RESULT($fu_cv_sys_mounted_fread)
289 if test $fu_cv_sys_mounted_fread = yes; then
290 ac_list_mounted_fs=found
291 AC_DEFINE(MOUNTED_FREAD, 1,
292 [Define if there is no specific function for reading the list of
293 mounted file systems. fread will be used to read /etc/mnttab.
294 (SVR2) ])
295 fi
296fi
297
298if test -z "$ac_list_mounted_fs"; then
299 AC_MSG_ERROR([could not determine how to read list of mounted file systems])
300 # FIXME -- no need to abort building the whole package
301 # Can't build mountlist.c or anything that needs its functions
302fi
303
304AS_IF([test $ac_list_mounted_fs = found], [$1], [$2])
305
306 ])