1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
|
# serial 15
dnl Copyright (C) 2002-2006, 2009-2021 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.
dnl From Jim Meyering.
AC_PREREQ([2.60])
AC_DEFUN([gl_MOUNTLIST],
[
AC_REQUIRE([AC_CANONICAL_HOST])
AC_CHECK_FUNCS([listmntent])
AC_CHECK_HEADERS_ONCE([sys/param.h sys/statvfs.h])
# We must include grp.h before ucred.h on OSF V4.0, since ucred.h uses
# NGROUPS (as the array dimension for a struct member) without a definition.
AC_CHECK_HEADERS([sys/ucred.h], [], [], [#include <grp.h>])
AC_CHECK_HEADERS([sys/mount.h], [], [],
[AC_INCLUDES_DEFAULT
[#if HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
]])
AC_CHECK_HEADERS([mntent.h sys/fs_types.h])
getfsstat_includes="\
$ac_includes_default
#if HAVE_SYS_PARAM_H
# include <sys/param.h> /* needed by powerpc-apple-darwin1.3.7 */
#endif
#if HAVE_SYS_UCRED_H
# include <grp.h> /* needed for definition of NGROUPS */
# include <sys/ucred.h> /* needed by powerpc-apple-darwin1.3.7 */
#endif
#if HAVE_SYS_MOUNT_H
# include <sys/mount.h>
#endif
#if HAVE_SYS_FS_TYPES_H
# include <sys/fs_types.h> /* needed by powerpc-apple-darwin1.3.7 */
#endif
"
AC_CHECK_MEMBERS([struct fsstat.f_fstypename],,,[$getfsstat_includes])
# Determine how to get the list of mounted file systems.
ac_list_mounted_fs=
# If the getmntent function is available but not in the standard library,
# make sure LIBS contains the appropriate -l option.
AC_FUNC_GETMNTENT
if test -z "$ac_list_mounted_fs"; then
# AIX.
AC_CACHE_CHECK([for mntctl function and struct vmount],
[fu_cv_sys_mounted_vmount],
[AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <fshelp.h>]])],
[fu_cv_sys_mounted_vmount=yes],
[fu_cv_sys_mounted_vmount=no])])
if test $fu_cv_sys_mounted_vmount = yes; then
ac_list_mounted_fs=found
AC_DEFINE([MOUNTED_VMOUNT], [1],
[Define if there is a function named mntctl that can be used to read
the list of mounted file systems, and there is a system header file
that declares 'struct vmount'. (AIX)])
fi
fi
if test $ac_cv_func_getmntent = yes; then
# This system has the getmntent function.
# Determine whether it's the one-argument variant or the two-argument one.
if test -z "$ac_list_mounted_fs"; then
# glibc, HP-UX, IRIX, Cygwin, Android, also (obsolete) 4.3BSD, SunOS.
AC_CACHE_CHECK([for one-argument getmntent function],
[fu_cv_sys_mounted_getmntent1],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
/* SunOS 4.1.x /usr/include/mntent.h needs this for FILE */
#include <stdio.h>
#include <mntent.h>
#if defined __ANDROID__ /* Android */
# undef MOUNTED
# define MOUNTED "/proc/mounts"
#elif !defined MOUNTED
# if defined _PATH_MOUNTED /* GNU libc */
# define MOUNTED _PATH_MOUNTED
# endif
# if defined MNT_MNTTAB /* HP-UX. */
# define MOUNTED MNT_MNTTAB
# endif
#endif
]],
[[struct mntent *mnt = 0; char *table = MOUNTED;
if (sizeof mnt && sizeof table) return 0;
]])],
[fu_cv_sys_mounted_getmntent1=yes],
[fu_cv_sys_mounted_getmntent1=no])
])
if test $fu_cv_sys_mounted_getmntent1 = yes; then
ac_list_mounted_fs=found
AC_DEFINE([MOUNTED_GETMNTENT1], [1],
[Define if there is a function named getmntent for reading the list
of mounted file systems, and that function takes a single argument.
(4.3BSD, SunOS, HP-UX, Irix)])
AC_CHECK_FUNCS([setmntent endmntent hasmntopt])
fi
fi
if test -z "$ac_list_mounted_fs"; then
# Solaris >= 8.
AC_CACHE_CHECK([for getextmntent function],
[fu_cv_sys_mounted_getextmntent],
[AC_EGREP_HEADER([getextmntent], [sys/mnttab.h],
[fu_cv_sys_mounted_getextmntent=yes],
[fu_cv_sys_mounted_getextmntent=no])])
if test $fu_cv_sys_mounted_getextmntent = yes; then
ac_list_mounted_fs=found
AC_DEFINE([MOUNTED_GETEXTMNTENT], [1],
[Define if there is a function named getextmntent for reading the list
of mounted file systems. (Solaris)])
fi
fi
if test -z "$ac_list_mounted_fs"; then
# Solaris < 8, also (obsolete) SVR4.
# Solaris >= 8 has the two-argument getmntent but is already handled above.
AC_CACHE_CHECK([for two-argument getmntent function],
[fu_cv_sys_mounted_getmntent2],
[AC_EGREP_HEADER([getmntent], [sys/mnttab.h],
[fu_cv_sys_mounted_getmntent2=yes],
[fu_cv_sys_mounted_getmntent2=no])
])
if test $fu_cv_sys_mounted_getmntent2 = yes; then
ac_list_mounted_fs=found
AC_DEFINE([MOUNTED_GETMNTENT2], [1],
[Define if there is a function named getmntent for reading the list of
mounted file systems, and that function takes two arguments. (SVR4)])
AC_CHECK_FUNCS([hasmntopt])
fi
fi
fi
if test -z "$ac_list_mounted_fs"; then
# OSF/1, also (obsolete) Apple Darwin 1.3.
# powerpc-apple-darwin1.3.7 needs sys/param.h sys/ucred.h sys/fs_types.h
AC_CACHE_CHECK([for getfsstat function],
[fu_cv_sys_mounted_getfsstat],
[AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#include <sys/types.h>
#if HAVE_STRUCT_FSSTAT_F_FSTYPENAME
# define FS_TYPE(Ent) ((Ent).f_fstypename)
#else
# define FS_TYPE(Ent) mnt_names[(Ent).f_type]
#endif
$getfsstat_includes
]],
[[struct statfs *stats;
int numsys = getfsstat ((struct statfs *)0, 0L, MNT_WAIT);
char *t = FS_TYPE (*stats);
]])],
[fu_cv_sys_mounted_getfsstat=yes],
[fu_cv_sys_mounted_getfsstat=no])
])
if test $fu_cv_sys_mounted_getfsstat = yes; then
ac_list_mounted_fs=found
AC_DEFINE([MOUNTED_GETFSSTAT], [1],
[Define if there is a function named getfsstat for reading the
list of mounted file systems. (DEC Alpha running OSF/1)])
fi
fi
if test -z "$ac_list_mounted_fs"; then
# (obsolete) SVR3
AC_CACHE_CHECK([for FIXME existence of three headers],
[fu_cv_sys_mounted_fread_fstyp],
[AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
#include <sys/statfs.h>
#include <sys/fstyp.h>
#include <mnttab.h>
]])],
[fu_cv_sys_mounted_fread_fstyp=yes],
[fu_cv_sys_mounted_fread_fstyp=no])
])
if test $fu_cv_sys_mounted_fread_fstyp = yes; then
ac_list_mounted_fs=found
AC_DEFINE([MOUNTED_FREAD_FSTYP], [1],
[Define if (like SVR2) there is no specific function for reading the
list of mounted file systems, and your system has these header files:
<sys/fstyp.h> and <sys/statfs.h>. (SVR3)])
fi
fi
if test -z "$ac_list_mounted_fs"; then
# Mac OS X, FreeBSD, NetBSD, OpenBSD, Minix, also (obsolete) 4.4BSD.
# OSF/1 also has getmntinfo but is already handled above.
# We cannot use AC_CHECK_FUNCS([getmntinfo]) here, because at the linker
# level the function is sometimes called getmntinfo64 or getmntinfo$INODE64
# on Mac OS X, __getmntinfo13 on NetBSD and Minix, _F64_getmntinfo on OSF/1.
AC_CACHE_CHECK([for getmntinfo function],
[fu_cv_sys_mounted_getmntinfo],
[AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#include <sys/types.h>
#if HAVE_SYS_MOUNT_H
# include <sys/mount.h>
#endif
#if HAVE_SYS_STATVFS_H
# include <sys/statvfs.h>
#endif
#include <stdlib.h>
]],
[[int count = getmntinfo (NULL, MNT_WAIT);
]])],
[fu_cv_sys_mounted_getmntinfo=yes],
[fu_cv_sys_mounted_getmntinfo=no])
])
if test $fu_cv_sys_mounted_getmntinfo = yes; then
AC_CACHE_CHECK([whether getmntinfo returns statvfs structures],
[fu_cv_sys_mounted_getmntinfo2],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#include <sys/types.h>
#if HAVE_SYS_MOUNT_H
# include <sys/mount.h>
#endif
#if HAVE_SYS_STATVFS_H
# include <sys/statvfs.h>
#endif
extern
#ifdef __cplusplus
"C"
#endif
int getmntinfo (struct statfs **, int);
]], [[]])],
[fu_cv_sys_mounted_getmntinfo2=no],
[fu_cv_sys_mounted_getmntinfo2=yes])
])
if test $fu_cv_sys_mounted_getmntinfo2 = no; then
# Mac OS X, FreeBSD, OpenBSD, also (obsolete) 4.4BSD.
ac_list_mounted_fs=found
AC_DEFINE([MOUNTED_GETMNTINFO], [1],
[Define if there is a function named getmntinfo for reading the
list of mounted file systems and it returns an array of
'struct statfs'. (4.4BSD, Darwin)])
else
# NetBSD, Minix.
ac_list_mounted_fs=found
AC_DEFINE([MOUNTED_GETMNTINFO2], [1],
[Define if there is a function named getmntinfo for reading the
list of mounted file systems and it returns an array of
'struct statvfs'. (NetBSD 3.0)])
fi
fi
fi
if test -z "$ac_list_mounted_fs"; then
# Haiku, also (obsolete) BeOS.
AC_CHECK_FUNCS([next_dev fs_stat_dev])
AC_CHECK_HEADERS([fs_info.h])
AC_CACHE_CHECK([for BEOS mounted file system support functions],
[fu_cv_sys_mounted_fs_stat_dev],
[if test $ac_cv_header_fs_info_h = yes \
&& test $ac_cv_func_next_dev = yes \
&& test $ac_cv_func_fs_stat_dev = yes; then
fu_cv_sys_mounted_fs_stat_dev=yes
else
fu_cv_sys_mounted_fs_stat_dev=no
fi
])
if test $fu_cv_sys_mounted_fs_stat_dev = yes; then
ac_list_mounted_fs=found
AC_DEFINE([MOUNTED_FS_STAT_DEV], [1],
[Define if there are functions named next_dev and fs_stat_dev for
reading the list of mounted file systems. (BeOS)])
fi
fi
if test -z "$ac_list_mounted_fs"; then
# Interix / BSD alike statvfs
# the code is really interix specific, so make sure, we're on it.
case "$host" in
*-interix*)
AC_CHECK_FUNCS([statvfs])
if test $ac_cv_func_statvfs = yes; then
ac_list_mounted_fs=found
AC_DEFINE([MOUNTED_INTERIX_STATVFS], [1],
[Define if we are on interix, and ought to use statvfs plus
some special knowledge on where mounted file systems can be
found. (Interix)])
fi
;;
esac
fi
if test -z "$ac_list_mounted_fs"; then
AC_MSG_ERROR([could not determine how to read list of mounted file systems])
# FIXME -- no need to abort building the whole package
# Can't build mountlist.c or anything that needs its functions
fi
if test $ac_list_mounted_fs = found; then
gl_cv_list_mounted_fs=yes
else
gl_cv_list_mounted_fs=no
fi
])
# Prerequisites of lib/mountlist.c not done by gl_MOUNTLIST.
AC_DEFUN([gl_PREREQ_MOUNTLIST_EXTRA],
[
dnl Note gl_MOUNTLIST checks for mntent.h, not sys/mntent.h.
AC_CHECK_HEADERS([sys/mntent.h])
AC_HEADER_MAJOR()dnl for use of makedev ()
gl_FSTYPENAME
])
# Replace Autoconf's AC_FUNC_GETMNTENT to omit checks that are unnecessary
# nowadays.
AC_DEFUN([AC_FUNC_GETMNTENT],
[
# getmntent is in the standard C library on most systems, but in -lgen on
# Unixware.
AC_SEARCH_LIBS([getmntent], [gen])
AC_CHECK_FUNCS([getmntent])
])
|
