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,
64 /* SunOS 4.1.x /usr/include/mntent.h needs this for FILE */
69 # if defined _PATH_MOUNTED /* GNU libc */
70 # define MOUNTED _PATH_MOUNTED
72 # if defined MNT_MNTTAB /* HP-UX. */
73 # define MOUNTED MNT_MNTTAB
75 # if defined MNTTABNAME /* Dynix. */
76 # define MOUNTED MNTTABNAME
80 [ struct mntent *mnt = 0; char *table = MOUNTED; ],
81 fu_cv_sys_mounted_getmntent1=yes,
82 fu_cv_sys_mounted_getmntent1=no)])
83 AC_MSG_RESULT($fu_cv_sys_mounted_getmntent1)
84 if test $fu_cv_sys_mounted_getmntent1 = yes; then
85 ac_list_mounted_fs=found
86 AC_DEFINE(MOUNTED_GETMNTENT1, 1,
87 [Define if there is a function named getmntent for reading the list
88 of mounted filesystems, and that function takes a single argument.
89 (4.3BSD, SunOS, HP-UX, Dynix, Irix)])
93 if test -z "$ac_list_mounted_fs"; then
95 AC_MSG_CHECKING([for two-argument getmntent function])
96 AC_CACHE_VAL(fu_cv_sys_mounted_getmntent2,
97 [AC_EGREP_HEADER(getmntent, sys/mnttab.h,
98 fu_cv_sys_mounted_getmntent2=yes,
99 fu_cv_sys_mounted_getmntent2=no)])
100 AC_MSG_RESULT($fu_cv_sys_mounted_getmntent2)
101 if test $fu_cv_sys_mounted_getmntent2 = yes; then
102 ac_list_mounted_fs=found
103 AC_DEFINE(MOUNTED_GETMNTENT2, 1,
104 [Define if there is a function named getmntent for reading the list of
105 mounted filesystems, and that function takes two arguments. (SVR4)])
111 if test -z "$ac_list_mounted_fs"; then
112 # DEC Alpha running OSF/1.
113 AC_MSG_CHECKING([for getfsstat function])
114 AC_CACHE_VAL(fu_cv_sys_mounted_getsstat,
116 #include <sys/types.h>
117 #include <sys/mount.h>
118 #include <sys/fs_types.h>],
119 [struct statfs *stats;
120 int numsys = getfsstat ((struct statfs *)0, 0L, MNT_WAIT); ],
121 fu_cv_sys_mounted_getsstat=yes,
122 fu_cv_sys_mounted_getsstat=no)])
123 AC_MSG_RESULT($fu_cv_sys_mounted_getsstat)
124 if test $fu_cv_sys_mounted_getsstat = yes; then
125 ac_list_mounted_fs=found
126 AC_DEFINE(MOUNTED_GETFSSTAT, 1,
127 [Define if there is a function named getfsstat for reading the
128 list of mounted filesystems. (DEC Alpha running OSF/1)])
132 if test -z "$ac_list_mounted_fs"; then
134 AC_MSG_CHECKING([for mntctl function and struct vmount])
135 AC_CACHE_VAL(fu_cv_sys_mounted_vmount,
136 [AC_TRY_CPP([#include <fshelp.h>],
137 fu_cv_sys_mounted_vmount=yes,
138 fu_cv_sys_mounted_vmount=no)])
139 AC_MSG_RESULT($fu_cv_sys_mounted_vmount)
140 if test $fu_cv_sys_mounted_vmount = yes; then
141 ac_list_mounted_fs=found
142 AC_DEFINE(MOUNTED_VMOUNT, 1,
143 [Define if there is a function named mntctl that can be used to read
144 the list of mounted filesystems, and there is a system header file
145 that declares `struct vmount.' (AIX)])
149 if test -z "$ac_list_mounted_fs"; then
151 AC_MSG_CHECKING([for FIXME existence of three headers])
152 AC_CACHE_VAL(fu_cv_sys_mounted_fread_fstyp,
154 #include <sys/statfs.h>
155 #include <sys/fstyp.h>
156 #include <mnttab.h>],
157 fu_cv_sys_mounted_fread_fstyp=yes,
158 fu_cv_sys_mounted_fread_fstyp=no)])
159 AC_MSG_RESULT($fu_cv_sys_mounted_fread_fstyp)
160 if test $fu_cv_sys_mounted_fread_fstyp = yes; then
161 ac_list_mounted_fs=found
162 AC_DEFINE(MOUNTED_FREAD_FSTYP, 1,
163 [Define if (like SVR2) there is no specific function for reading the
164 list of mounted filesystems, and your system has these header files:
165 <sys/fstyp.h> and <sys/statfs.h>. (SVR3)])
169 if test -z "$ac_list_mounted_fs"; then
170 # 4.4BSD and DEC OSF/1.
171 AC_MSG_CHECKING([for getmntinfo function])
172 AC_CACHE_VAL(fu_cv_sys_mounted_getmntinfo,
175 if test $ac_cv_func_getmntinfo = yes; then
176 AC_EGREP_HEADER(f_type;, sys/mount.h,
180 && fu_cv_sys_mounted_getmntinfo=yes \
181 || fu_cv_sys_mounted_getmntinfo=no
183 AC_MSG_RESULT($fu_cv_sys_mounted_getmntinfo)
184 if test $fu_cv_sys_mounted_getmntinfo = yes; then
185 ac_list_mounted_fs=found
186 AC_DEFINE(MOUNTED_GETMNTINFO, 1,
187 [Define if there is a function named getmntinfo for reading the
188 list of mounted filesystems. (4.4BSD)])
192 if test -z "$ac_list_mounted_fs"; then
194 AC_MSG_CHECKING([for getmnt function])
195 AC_CACHE_VAL(fu_cv_sys_mounted_getmnt,
197 #include <sys/fs_types.h>
198 #include <sys/mount.h>],
199 fu_cv_sys_mounted_getmnt=yes,
200 fu_cv_sys_mounted_getmnt=no)])
201 AC_MSG_RESULT($fu_cv_sys_mounted_getmnt)
202 if test $fu_cv_sys_mounted_getmnt = yes; then
203 ac_list_mounted_fs=found
204 AC_DEFINE(MOUNTED_GETMNT, 1,
205 [Define if there is a function named getmnt for reading the list of
206 mounted filesystems. (Ultrix)])
210 if test -z "$ac_list_mounted_fs"; then
212 AC_CHECK_FUNCS(next_dev fs_stat_dev)
213 AC_CHECK_HEADERS(fs_info.h)
214 AC_MSG_CHECKING([for BEOS mounted file system support functions])
215 if test $ac_cv_header_fs_info_h = yes \
216 && test $ac_cv_func_next_dev = yes \
217 && test $ac_cv_func_fs_stat_dev = yes; then
222 AC_MSG_RESULT($fu_result)
223 if test $fu_result = yes; then
224 ac_list_mounted_fs=found
225 AC_DEFINE(MOUNTED_FS_STAT_DEV, 1,
226 [Define if there are functions named next_dev and fs_stat_dev for
227 reading the list of mounted filesystems. (BeOS)])
231 if test -z "$ac_list_mounted_fs"; then
233 AC_MSG_CHECKING([whether it is possible to resort to fread on /etc/mnttab])
234 AC_CACHE_VAL(fu_cv_sys_mounted_fread,
235 [AC_TRY_CPP([#include <mnttab.h>],
236 fu_cv_sys_mounted_fread=yes,
237 fu_cv_sys_mounted_fread=no)])
238 AC_MSG_RESULT($fu_cv_sys_mounted_fread)
239 if test $fu_cv_sys_mounted_fread = yes; then
240 ac_list_mounted_fs=found
241 AC_DEFINE(MOUNTED_FREAD, 1,
242 [Define if there is no specific function for reading the list of
243 mounted filesystems. fread will be used to read /etc/mnttab. (SVR2) ])
247 if test -z "$ac_list_mounted_fs"; then
248 AC_MSG_ERROR([could not determine how to read list of mounted filesystems])
249 # FIXME -- no need to abort building the whole package
250 # Can't build mountlist.c or anything that needs its functions
253 AS_IF([test $ac_list_mounted_fs = found], [$1], [$2])