5 dnl This is not pretty. I've just taken the autoconf code and wrapped
9 # jm_LIST_MOUNTED_FILESYSTEMS([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
10 AC_DEFUN([jm_LIST_MOUNTED_FILESYSTEMS],
12 AC_CHECK_FUNCS(listmntent getmntinfo)
13 AC_CHECK_HEADERS(mntent.h)
15 # Determine how to get the list of mounted filesystems.
18 # If the getmntent function is available but not in the standard library,
19 # make sure LIBS contains -lsun (on Irix4) or -lseq (on PTX).
22 # This test must precede the ones for getmntent because Unicos-9 is
23 # reported to have the getmntent function, but its support is incompatible
24 # with other getmntent implementations.
26 # NOTE: Normally, I wouldn't use a check for system type as I've done for
27 # `CRAY' below since that goes against the whole autoconf philosophy. But
28 # I think there is too great a chance that some non-Cray system has a
29 # function named listmntent to risk the false positive.
31 if test -z "$ac_list_mounted_fs"; then
33 AC_MSG_CHECKING([for listmntent of Cray/Unicos-9])
34 AC_CACHE_VAL(fu_cv_sys_mounted_cray_listmntent,
35 [fu_cv_sys_mounted_cray_listmntent=no
40 ], [test $ac_cv_func_listmntent = yes \
41 && fu_cv_sys_mounted_cray_listmntent=yes]
45 AC_MSG_RESULT($fu_cv_sys_mounted_cray_listmntent)
46 if test $fu_cv_sys_mounted_cray_listmntent = yes; then
47 ac_list_mounted_fs=found
48 AC_DEFINE(MOUNTED_LISTMNTENT, 1,
49 [Define if there is a function named listmntent that can be used to
50 list all mounted filesystems. (UNICOS)])
54 if test $ac_cv_func_getmntent = yes; then
56 # This system has the getmntent function.
57 # Determine whether it's the one-argument variant or the two-argument one.
59 if test -z "$ac_list_mounted_fs"; then
60 # 4.3BSD, SunOS, HP-UX, Dynix, Irix
61 AC_MSG_CHECKING([for one-argument getmntent function])
62 AC_CACHE_VAL(fu_cv_sys_mounted_getmntent1,
66 # if defined _PATH_MOUNTED /* GNU libc */
67 # define MOUNTED _PATH_MOUNTED
69 # if defined MNT_MNTTAB /* HP-UX. */
70 # define MOUNTED MNT_MNTTAB
72 # if defined MNTTABNAME /* Dynix. */
73 # define MOUNTED MNTTABNAME
77 [ struct mntent *mnt = 0; char *table = MOUNTED; ],
78 fu_cv_sys_mounted_getmntent1=yes,
79 fu_cv_sys_mounted_getmntent1=no)])
80 AC_MSG_RESULT($fu_cv_sys_mounted_getmntent1)
81 if test $fu_cv_sys_mounted_getmntent1 = yes; then
82 ac_list_mounted_fs=found
83 AC_DEFINE(MOUNTED_GETMNTENT1, 1,
84 [Define if there is a function named getmntent for reading the list
85 of mounted filesystems, and that function takes a single argument.
86 (4.3BSD, SunOS, HP-UX, Dynix, Irix)])
90 if test -z "$ac_list_mounted_fs"; then
92 AC_MSG_CHECKING([for two-argument getmntent function])
93 AC_CACHE_VAL(fu_cv_sys_mounted_getmntent2,
94 [AC_EGREP_HEADER(getmntent, sys/mnttab.h,
95 fu_cv_sys_mounted_getmntent2=yes,
96 fu_cv_sys_mounted_getmntent2=no)])
97 AC_MSG_RESULT($fu_cv_sys_mounted_getmntent2)
98 if test $fu_cv_sys_mounted_getmntent2 = yes; then
99 ac_list_mounted_fs=found
100 AC_DEFINE(MOUNTED_GETMNTENT2, 1,
101 [Define if there is a function named getmntent for reading the list of
102 mounted filesystems, and that function takes two arguments. (SVR4)])
108 if test -z "$ac_list_mounted_fs"; then
109 # DEC Alpha running OSF/1.
110 AC_MSG_CHECKING([for getfsstat function])
111 AC_CACHE_VAL(fu_cv_sys_mounted_getsstat,
113 #include <sys/types.h>
114 #include <sys/mount.h>
115 #include <sys/fs_types.h>],
116 [struct statfs *stats;
117 int numsys = getfsstat ((struct statfs *)0, 0L, MNT_WAIT); ],
118 fu_cv_sys_mounted_getsstat=yes,
119 fu_cv_sys_mounted_getsstat=no)])
120 AC_MSG_RESULT($fu_cv_sys_mounted_getsstat)
121 if test $fu_cv_sys_mounted_getsstat = yes; then
122 ac_list_mounted_fs=found
123 AC_DEFINE(MOUNTED_GETFSSTAT, 1,
124 [Define if there is a function named getfsstat for reading the
125 list of mounted filesystems. (DEC Alpha running OSF/1)])
129 if test -z "$ac_list_mounted_fs"; then
131 AC_MSG_CHECKING([for mntctl function and struct vmount])
132 AC_CACHE_VAL(fu_cv_sys_mounted_vmount,
133 [AC_TRY_CPP([#include <fshelp.h>],
134 fu_cv_sys_mounted_vmount=yes,
135 fu_cv_sys_mounted_vmount=no)])
136 AC_MSG_RESULT($fu_cv_sys_mounted_vmount)
137 if test $fu_cv_sys_mounted_vmount = yes; then
138 ac_list_mounted_fs=found
139 AC_DEFINE(MOUNTED_VMOUNT, 1,
140 [Define if there is a function named mntctl that can be used to read
141 the list of mounted filesystems, and there is a system header file
142 that declares `struct vmount.' (AIX)])
146 if test -z "$ac_list_mounted_fs"; then
148 AC_MSG_CHECKING([for FIXME existence of three headers])
149 AC_CACHE_VAL(fu_cv_sys_mounted_fread_fstyp,
151 #include <sys/statfs.h>
152 #include <sys/fstyp.h>
153 #include <mnttab.h>],
154 fu_cv_sys_mounted_fread_fstyp=yes,
155 fu_cv_sys_mounted_fread_fstyp=no)])
156 AC_MSG_RESULT($fu_cv_sys_mounted_fread_fstyp)
157 if test $fu_cv_sys_mounted_fread_fstyp = yes; then
158 ac_list_mounted_fs=found
159 AC_DEFINE(MOUNTED_FREAD_FSTYP, 1,
160 [Define if (like SVR2) there is no specific function for reading the
161 list of mounted filesystems, and your system has these header files:
162 <sys/fstyp.h> and <sys/statfs.h>. (SVR3)])
166 if test -z "$ac_list_mounted_fs"; then
167 # 4.4BSD and DEC OSF/1.
168 AC_MSG_CHECKING([for getmntinfo function])
169 AC_CACHE_VAL(fu_cv_sys_mounted_getmntinfo,
172 if test $ac_cv_func_getmntinfo = yes; then
173 AC_EGREP_HEADER(f_type;, sys/mount.h,
177 && fu_cv_sys_mounted_getmntinfo=yes \
178 || fu_cv_sys_mounted_getmntinfo=no
180 AC_MSG_RESULT($fu_cv_sys_mounted_getmntinfo)
181 if test $fu_cv_sys_mounted_getmntinfo = yes; then
182 ac_list_mounted_fs=found
183 AC_DEFINE(MOUNTED_GETMNTINFO, 1,
184 [Define if there is a function named getmntinfo for reading the
185 list of mounted filesystems. (4.4BSD)])
189 if test -z "$ac_list_mounted_fs"; then
191 AC_MSG_CHECKING([for getmnt function])
192 AC_CACHE_VAL(fu_cv_sys_mounted_getmnt,
194 #include <sys/fs_types.h>
195 #include <sys/mount.h>],
196 fu_cv_sys_mounted_getmnt=yes,
197 fu_cv_sys_mounted_getmnt=no)])
198 AC_MSG_RESULT($fu_cv_sys_mounted_getmnt)
199 if test $fu_cv_sys_mounted_getmnt = yes; then
200 ac_list_mounted_fs=found
201 AC_DEFINE(MOUNTED_GETMNT, 1,
202 [Define if there is a function named getmnt for reading the list of
203 mounted filesystems. (Ultrix)])
207 if test -z "$ac_list_mounted_fs"; then
209 AC_CHECK_FUNCS(next_dev fs_stat_dev)
210 AC_CHECK_HEADERS(fs_info.h)
211 AC_MSG_CHECKING([for BEOS mounted file system support functions])
212 if test $ac_cv_header_fs_info_h = yes \
213 && test $ac_cv_func_next_dev = yes \
214 && test $ac_cv_func_fs_stat_dev = yes; then
219 AC_MSG_RESULT($fu_result)
220 if test $fu_result = yes; then
221 ac_list_mounted_fs=found
222 AC_DEFINE(MOUNTED_FS_STAT_DEV, 1,
223 [Define if there are functions named next_dev and fs_stat_dev for
224 reading the list of mounted filesystems. (BeOS)])
228 if test -z "$ac_list_mounted_fs"; then
230 AC_MSG_CHECKING([whether it is possible to resort to fread on /etc/mnttab])
231 AC_CACHE_VAL(fu_cv_sys_mounted_fread,
232 [AC_TRY_CPP([#include <mnttab.h>],
233 fu_cv_sys_mounted_fread=yes,
234 fu_cv_sys_mounted_fread=no)])
235 AC_MSG_RESULT($fu_cv_sys_mounted_fread)
236 if test $fu_cv_sys_mounted_fread = yes; then
237 ac_list_mounted_fs=found
238 AC_DEFINE(MOUNTED_FREAD, 1,
239 [Define if there is no specific function for reading the list of
240 mounted filesystems. fread will be used to read /etc/mnttab. (SVR2) ])
244 if test -z "$ac_list_mounted_fs"; then
245 AC_MSG_ERROR([could not determine how to read list of mounted filesystems])
246 # FIXME -- no need to abort building the whole package
247 # Can't build mountlist.c or anything that needs its functions
250 AS_IF([test $ac_list_mounted_fs = found], [$1], [$2])