1 dnl Local m4 macros for autoconf (used by sudo)
3 dnl Copyright (c) 1994-1996,1998-2007 Todd C. Miller <Todd.Miller@courtesan.com>
5 dnl XXX - should cache values in all cases!!!
7 dnl checks for programs
10 dnl check for sendmail
12 AC_DEFUN(SUDO_PROG_SENDMAIL, [AC_MSG_CHECKING(for sendmail)
13 if test -f "/usr/sbin/sendmail"; then
14 AC_MSG_RESULT(/usr/sbin/sendmail)
15 SUDO_DEFINE(_PATH_SUDO_SENDMAIL, "/usr/sbin/sendmail")
16 elif test -f "/usr/lib/sendmail"; then
17 AC_MSG_RESULT(/usr/lib/sendmail)
18 SUDO_DEFINE(_PATH_SUDO_SENDMAIL, "/usr/lib/sendmail")
19 elif test -f "/usr/etc/sendmail"; then
20 AC_MSG_RESULT(/usr/etc/sendmail)
21 SUDO_DEFINE(_PATH_SUDO_SENDMAIL, "/usr/etc/sendmail")
22 elif test -f "/usr/ucblib/sendmail"; then
23 AC_MSG_RESULT(/usr/ucblib/sendmail)
24 SUDO_DEFINE(_PATH_SUDO_SENDMAIL, "/usr/ucblib/sendmail")
25 elif test -f "/usr/local/lib/sendmail"; then
26 AC_MSG_RESULT(/usr/local/lib/sendmail)
27 SUDO_DEFINE(_PATH_SUDO_SENDMAIL, "/usr/local/lib/sendmail")
28 elif test -f "/usr/local/bin/sendmail"; then
29 AC_MSG_RESULT(/usr/local/bin/sendmail)
30 SUDO_DEFINE(_PATH_SUDO_SENDMAIL, "/usr/local/bin/sendmail")
32 AC_MSG_RESULT(not found)
39 AC_DEFUN(SUDO_PROG_VI, [AC_MSG_CHECKING(for vi)
40 if test -f "/usr/bin/vi"; then
41 AC_MSG_RESULT(/usr/bin/vi)
42 SUDO_DEFINE(_PATH_VI, "/usr/bin/vi")
43 elif test -f "/usr/ucb/vi"; then
44 AC_MSG_RESULT(/usr/ucb/vi)
45 SUDO_DEFINE(_PATH_VI, "/usr/ucb/vi")
46 elif test -f "/usr/bsd/vi"; then
47 AC_MSG_RESULT(/usr/bsd/vi)
48 SUDO_DEFINE(_PATH_VI, "/usr/bsd/vi")
49 elif test -f "/bin/vi"; then
50 AC_MSG_RESULT(/bin/vi)
51 SUDO_DEFINE(_PATH_VI, "/bin/vi")
52 elif test -f "/usr/local/bin/vi"; then
53 AC_MSG_RESULT(/usr/local/bin/vi)
54 SUDO_DEFINE(_PATH_VI, "/usr/local/bin/vi")
56 AC_MSG_RESULT(not found)
63 AC_DEFUN(SUDO_PROG_MV, [AC_MSG_CHECKING(for mv)
64 if test -f "/usr/bin/mv"; then
65 AC_MSG_RESULT(/usr/bin/mv)
66 SUDO_DEFINE(_PATH_MV, "/usr/bin/mv")
67 elif test -f "/bin/mv"; then
68 AC_MSG_RESULT(/bin/mv)
69 SUDO_DEFINE(_PATH_MV, "/bin/mv")
70 elif test -f "/usr/ucb/mv"; then
71 AC_MSG_RESULT(/usr/ucb/mv)
72 SUDO_DEFINE(_PATH_MV, "/usr/ucb/mv")
73 elif test -f "/usr/sbin/mv"; then
74 AC_MSG_RESULT(/usr/sbin/mv)
75 SUDO_DEFINE(_PATH_MV, "/usr/sbin/mv")
77 AC_MSG_RESULT(not found)
82 dnl check for bourne shell
84 AC_DEFUN(SUDO_PROG_BSHELL, [AC_MSG_CHECKING(for bourne shell)
85 if test -f "/bin/sh"; then
86 AC_MSG_RESULT(/bin/sh)
87 SUDO_DEFINE(_PATH_BSHELL, "/bin/sh")
88 elif test -f "/usr/bin/sh"; then
89 AC_MSG_RESULT(/usr/bin/sh)
90 SUDO_DEFINE(_PATH_BSHELL, "/usr/bin/sh")
91 elif test -f "/sbin/sh"; then
92 AC_MSG_RESULT(/sbin/sh)
93 SUDO_DEFINE(_PATH_BSHELL, "/sbin/sh")
94 elif test -f "/usr/sbin/sh"; then
95 AC_MSG_RESULT(/usr/sbin/sh)
96 SUDO_DEFINE(_PATH_BSHELL, "/usr/sbin/sh")
97 elif test -f "/bin/ksh"; then
98 AC_MSG_RESULT(/bin/ksh)
99 SUDO_DEFINE(_PATH_BSHELL, "/bin/ksh")
100 elif test -f "/usr/bin/ksh"; then
101 AC_MSG_RESULT(/usr/bin/ksh)
102 SUDO_DEFINE(_PATH_BSHELL, "/usr/bin/ksh")
103 elif test -f "/bin/bash"; then
104 AC_MSG_RESULT(/bin/bash)
105 SUDO_DEFINE(_PATH_BSHELL, "/bin/bash")
106 elif test -f "/usr/bin/bash"; then
107 AC_MSG_RESULT(/usr/bin/bash)
108 SUDO_DEFINE(_PATH_BSHELL, "/usr/bin/bash")
110 AC_MSG_RESULT(not found)
115 dnl Where the log file goes, use /var/log if it exists, else /{var,usr}/adm
117 AC_DEFUN(SUDO_LOGFILE, [AC_MSG_CHECKING(for log file location)
118 if test -n "$with_logpath"; then
119 AC_MSG_RESULT($with_logpath)
120 SUDO_DEFINE_UNQUOTED(_PATH_SUDO_LOGFILE, "$with_logpath")
121 elif test -d "/var/log"; then
122 AC_MSG_RESULT(/var/log/sudo.log)
123 SUDO_DEFINE(_PATH_SUDO_LOGFILE, "/var/log/sudo.log")
124 elif test -d "/var/adm"; then
125 AC_MSG_RESULT(/var/adm/sudo.log)
126 SUDO_DEFINE(_PATH_SUDO_LOGFILE, "/var/adm/sudo.log")
127 elif test -d "/usr/adm"; then
128 AC_MSG_RESULT(/usr/adm/sudo.log)
129 SUDO_DEFINE(_PATH_SUDO_LOGFILE, "/usr/adm/sudo.log")
131 AC_MSG_RESULT(unknown, you will have to set _PATH_SUDO_LOGFILE by hand)
136 dnl Where the log file goes, use /var/log if it exists, else /{var,usr}/adm
138 AC_DEFUN(SUDO_TIMEDIR, [AC_MSG_CHECKING(for timestamp file location)
139 if test -n "$with_timedir"; then
140 AC_MSG_RESULT($with_timedir)
141 SUDO_DEFINE_UNQUOTED(_PATH_SUDO_TIMEDIR, "$with_timedir")
142 timedir="$with_timedir"
143 elif test -d "/var/run"; then
144 AC_MSG_RESULT(/var/run/sudo)
145 SUDO_DEFINE(_PATH_SUDO_TIMEDIR, "/var/run/sudo")
146 timedir="/var/run/sudo"
147 elif test -d "/var/adm"; then
148 AC_MSG_RESULT(/var/adm/sudo)
149 SUDO_DEFINE(_PATH_SUDO_TIMEDIR, "/var/adm/sudo")
150 timedir="/var/adm/sudo"
152 AC_MSG_RESULT(/usr/adm/sudo)
153 SUDO_DEFINE(_PATH_SUDO_TIMEDIR, "/usr/adm/sudo")
154 timedir="/usr/adm/sudo"
159 dnl check for fullly working void
161 AC_DEFUN(SUDO_FULL_VOID, [AC_MSG_CHECKING(for full void implementation)
162 AC_TRY_COMPILE(, [void *foo;
163 foo = (void *)0; (void *)"test";], AC_DEFINE(VOID, void, [Define to "void" if your compiler supports void pointers, else use "char"].)
164 AC_MSG_RESULT(yes), AC_DEFINE(VOID, char)
168 dnl SUDO_CHECK_TYPE(TYPE, DEFAULT)
169 dnl XXX - should require the check for unistd.h...
171 AC_DEFUN(SUDO_CHECK_TYPE,
172 [AC_REQUIRE([AC_HEADER_STDC])dnl
173 AC_MSG_CHECKING(for $1)
174 AC_CACHE_VAL(sudo_cv_type_$1,
175 [AC_EGREP_CPP($1, [#include <sys/types.h>
182 #endif], sudo_cv_type_$1=yes, sudo_cv_type_$1=no)])dnl
183 AC_MSG_RESULT($sudo_cv_type_$1)
184 if test $sudo_cv_type_$1 = no; then
185 AC_DEFINE($1, $2, [Define if your system lacks the $1 type.])
190 dnl Check for size_t declation
192 AC_DEFUN(SUDO_TYPE_SIZE_T,
193 [SUDO_CHECK_TYPE(size_t, int)])
196 dnl Check for ssize_t declation
198 AC_DEFUN(SUDO_TYPE_SSIZE_T,
199 [SUDO_CHECK_TYPE(ssize_t, int)])
202 dnl Check for dev_t declation
204 AC_DEFUN(SUDO_TYPE_DEV_T,
205 [SUDO_CHECK_TYPE(dev_t, int)])
208 dnl Check for ino_t declation
210 AC_DEFUN(SUDO_TYPE_INO_T,
211 [SUDO_CHECK_TYPE(ino_t, unsigned int)])
214 dnl check for working fnmatch(3)
216 AC_DEFUN(SUDO_FUNC_FNMATCH,
217 [AC_MSG_CHECKING([for working fnmatch with FNM_CASEFOLD])
218 AC_CACHE_VAL(sudo_cv_func_fnmatch,
219 [rm -f conftestdata; > conftestdata
220 AC_TRY_RUN([#include <fnmatch.h>
221 main() { exit(fnmatch("/*/bin/echo *", "/usr/bin/echo just a test", FNM_CASEFOLD)); }], [sudo_cv_func_fnmatch=yes], [sudo_cv_func_fnmatch=no],
222 [sudo_cv_func_fnmatch=no])
223 rm -f core core.* *.core])
224 AC_MSG_RESULT($sudo_cv_func_fnmatch)
225 AS_IF([test $sudo_cv_func_fnmatch = yes], [$1], [$2])])
228 dnl check for isblank(3)
230 AC_DEFUN([SUDO_FUNC_ISBLANK],
231 [AC_CACHE_CHECK([for isblank], sudo_cv_func_isblank,
232 [AC_TRY_LINK([#include <ctype.h>], [return (isblank('a'));],
233 sudo_cv_func_isblank=yes, sudo_cv_func_isblank=no)])
235 if test "$sudo_cv_func_isblank" = "yes"; then
236 AC_DEFINE(HAVE_ISBLANK, 1, [Define if you have isblank(3).])
241 dnl check for sa_len field in struct sockaddr
243 AC_DEFUN(SUDO_SOCK_SA_LEN,
244 [AC_MSG_CHECKING(for sa_len field in struct sockaddr)
245 AC_CACHE_VAL(sudo_cv_sock_sa_len,
246 [AC_TRY_RUN([#include <sys/types.h>
247 #include <sys/socket.h>
252 }], sudo_cv_sock_sa_len=yes, sudo_cv_sock_sa_len=no,
253 sudo_cv_sock_sa_len=no)
254 rm -f core core.* *.core])dnl
255 AC_MSG_RESULT($sudo_cv_sock_sa_len)
256 if test $sudo_cv_sock_sa_len = yes; then
257 AC_DEFINE(HAVE_SA_LEN, 1, [Define if your struct sockadr has an sa_len field.])
262 dnl check for max length of uid_t in string representation.
263 dnl we can't really trust UID_MAX or MAXUID since they may exist
264 dnl only for backwards compatibility.
266 AC_DEFUN(SUDO_UID_T_LEN,
267 [AC_REQUIRE([AC_TYPE_UID_T])
268 AC_MSG_CHECKING(max length of uid_t)
269 AC_CACHE_VAL(sudo_cv_uid_t_len,
275 #include <sys/types.h>
276 #include <sys/param.h>
280 uid_t u = (uid_t) -1;
282 if ((f = fopen("conftestdata", "w")) == NULL)
285 (void) sprintf(b, "%lu", (unsigned long) u);
286 (void) fprintf(f, "%d\n", strlen(b));
289 }], sudo_cv_uid_t_len=`cat conftestdata`, sudo_cv_uid_t_len=10)
292 AC_MSG_RESULT($sudo_cv_uid_t_len)
293 AC_DEFINE_UNQUOTED(MAX_UID_T_LEN, $sudo_cv_uid_t_len, [Define to the max length of a uid_t in string context (excluding the NUL).])
297 dnl Check for presence of long long and for sizeof(long long) == sizeof(long)
299 AC_DEFUN(SUDO_TYPE_LONG_LONG,
300 [AC_CHECK_TYPES(long long, [AC_DEFINE(HAVE_LONG_LONG, 1, [Define if your compiler supports the "long long" type.])]
301 [AC_MSG_CHECKING(for long and long long equivalence)
302 AC_CACHE_VAL(sudo_cv_type_long_is_quad,
305 if (sizeof(long long) == sizeof(long)) exit(0);
307 }], [sudo_cv_type_long_is_quad=yes],
308 [sudo_cv_type_long_is_quad=no], [sudo_cv_type_long_is_quad=no])
309 rm -f core core.* *.core])dnl
310 AC_MSG_RESULT($sudo_cv_type_long_is_quad)
311 if test $sudo_cv_type_long_is_quad = yes; then
312 AC_DEFINE(LONG_IS_QUAD, 1, [Define if sizeof(long) == sizeof(long long).])
317 dnl append a libpath to an LDFLAGS style variable
319 AC_DEFUN(SUDO_APPEND_LIBPATH, [
320 if test X"$with_rpath" = X"yes"; then
325 if test X"$blibpath" != X"" -a "$1" = "SUDO_LDFLAGS"; then
326 blibpath_add="${blibpath_add}:$2"
331 dnl private versions of AC_DEFINE and AC_DEFINE_UNQUOTED that don't support
332 dnl tracing that we use to define paths for pathnames.h so autoheader doesn't
333 dnl put them in config.h.in. An awful hack.
335 m4_define([SUDO_DEFINE],
336 [cat >>confdefs.h <<\EOF
337 [@%:@define] $1 m4_if($#, 2, [$2], $#, 3, [$2], 1)
341 m4_define([SUDO_DEFINE_UNQUOTED],
342 [cat >>confdefs.h <<EOF
343 [@%:@define] $1 m4_if($#, 2, [$2], $#, 3, [$2], 1)