1 dnl Local m4 macros for autoconf (used by sudo)
3 dnl Copyright (c) 1994-1996, 1998-2005, 2007-2009
4 dnl Todd C. Miller <Todd.Miller@courtesan.com>
6 dnl XXX - should cache values in all cases!!!
8 dnl checks for programs
11 dnl check for sendmail
13 AC_DEFUN(SUDO_PROG_SENDMAIL, [AC_MSG_CHECKING(for sendmail)
14 if test -f "/usr/sbin/sendmail"; then
15 AC_MSG_RESULT(/usr/sbin/sendmail)
16 SUDO_DEFINE(_PATH_SUDO_SENDMAIL, "/usr/sbin/sendmail")
17 elif test -f "/usr/lib/sendmail"; then
18 AC_MSG_RESULT(/usr/lib/sendmail)
19 SUDO_DEFINE(_PATH_SUDO_SENDMAIL, "/usr/lib/sendmail")
20 elif test -f "/usr/etc/sendmail"; then
21 AC_MSG_RESULT(/usr/etc/sendmail)
22 SUDO_DEFINE(_PATH_SUDO_SENDMAIL, "/usr/etc/sendmail")
23 elif test -f "/usr/ucblib/sendmail"; then
24 AC_MSG_RESULT(/usr/ucblib/sendmail)
25 SUDO_DEFINE(_PATH_SUDO_SENDMAIL, "/usr/ucblib/sendmail")
26 elif test -f "/usr/local/lib/sendmail"; then
27 AC_MSG_RESULT(/usr/local/lib/sendmail)
28 SUDO_DEFINE(_PATH_SUDO_SENDMAIL, "/usr/local/lib/sendmail")
29 elif test -f "/usr/local/bin/sendmail"; then
30 AC_MSG_RESULT(/usr/local/bin/sendmail)
31 SUDO_DEFINE(_PATH_SUDO_SENDMAIL, "/usr/local/bin/sendmail")
33 AC_MSG_RESULT(not found)
40 AC_DEFUN(SUDO_PROG_VI, [AC_MSG_CHECKING(for vi)
41 if test -f "/usr/bin/vi"; then
42 AC_MSG_RESULT(/usr/bin/vi)
43 SUDO_DEFINE(_PATH_VI, "/usr/bin/vi")
44 elif test -f "/usr/ucb/vi"; then
45 AC_MSG_RESULT(/usr/ucb/vi)
46 SUDO_DEFINE(_PATH_VI, "/usr/ucb/vi")
47 elif test -f "/usr/bsd/vi"; then
48 AC_MSG_RESULT(/usr/bsd/vi)
49 SUDO_DEFINE(_PATH_VI, "/usr/bsd/vi")
50 elif test -f "/bin/vi"; then
51 AC_MSG_RESULT(/bin/vi)
52 SUDO_DEFINE(_PATH_VI, "/bin/vi")
53 elif test -f "/usr/local/bin/vi"; then
54 AC_MSG_RESULT(/usr/local/bin/vi)
55 SUDO_DEFINE(_PATH_VI, "/usr/local/bin/vi")
57 AC_MSG_RESULT(not found)
64 AC_DEFUN(SUDO_PROG_MV, [AC_MSG_CHECKING(for mv)
65 if test -f "/usr/bin/mv"; then
66 AC_MSG_RESULT(/usr/bin/mv)
67 SUDO_DEFINE(_PATH_MV, "/usr/bin/mv")
68 elif test -f "/bin/mv"; then
69 AC_MSG_RESULT(/bin/mv)
70 SUDO_DEFINE(_PATH_MV, "/bin/mv")
71 elif test -f "/usr/ucb/mv"; then
72 AC_MSG_RESULT(/usr/ucb/mv)
73 SUDO_DEFINE(_PATH_MV, "/usr/ucb/mv")
74 elif test -f "/usr/sbin/mv"; then
75 AC_MSG_RESULT(/usr/sbin/mv)
76 SUDO_DEFINE(_PATH_MV, "/usr/sbin/mv")
78 AC_MSG_RESULT(not found)
83 dnl check for bourne shell
85 AC_DEFUN(SUDO_PROG_BSHELL, [AC_MSG_CHECKING(for bourne shell)
86 if test -f "/bin/sh"; then
87 AC_MSG_RESULT(/bin/sh)
88 SUDO_DEFINE(_PATH_BSHELL, "/bin/sh")
89 elif test -f "/usr/bin/sh"; then
90 AC_MSG_RESULT(/usr/bin/sh)
91 SUDO_DEFINE(_PATH_BSHELL, "/usr/bin/sh")
92 elif test -f "/sbin/sh"; then
93 AC_MSG_RESULT(/sbin/sh)
94 SUDO_DEFINE(_PATH_BSHELL, "/sbin/sh")
95 elif test -f "/usr/sbin/sh"; then
96 AC_MSG_RESULT(/usr/sbin/sh)
97 SUDO_DEFINE(_PATH_BSHELL, "/usr/sbin/sh")
98 elif test -f "/bin/ksh"; then
99 AC_MSG_RESULT(/bin/ksh)
100 SUDO_DEFINE(_PATH_BSHELL, "/bin/ksh")
101 elif test -f "/usr/bin/ksh"; then
102 AC_MSG_RESULT(/usr/bin/ksh)
103 SUDO_DEFINE(_PATH_BSHELL, "/usr/bin/ksh")
104 elif test -f "/bin/bash"; then
105 AC_MSG_RESULT(/bin/bash)
106 SUDO_DEFINE(_PATH_BSHELL, "/bin/bash")
107 elif test -f "/usr/bin/bash"; then
108 AC_MSG_RESULT(/usr/bin/bash)
109 SUDO_DEFINE(_PATH_BSHELL, "/usr/bin/bash")
111 AC_MSG_RESULT(not found)
116 dnl Where the log file goes, use /var/log if it exists, else /{var,usr}/adm
118 AC_DEFUN(SUDO_LOGFILE, [AC_MSG_CHECKING(for log file location)
119 if test -n "$with_logpath"; then
120 AC_MSG_RESULT($with_logpath)
121 SUDO_DEFINE_UNQUOTED(_PATH_SUDO_LOGFILE, "$with_logpath")
122 elif test -d "/var/log"; then
123 AC_MSG_RESULT(/var/log/sudo.log)
124 SUDO_DEFINE(_PATH_SUDO_LOGFILE, "/var/log/sudo.log")
125 elif test -d "/var/adm"; then
126 AC_MSG_RESULT(/var/adm/sudo.log)
127 SUDO_DEFINE(_PATH_SUDO_LOGFILE, "/var/adm/sudo.log")
128 elif test -d "/usr/adm"; then
129 AC_MSG_RESULT(/usr/adm/sudo.log)
130 SUDO_DEFINE(_PATH_SUDO_LOGFILE, "/usr/adm/sudo.log")
132 AC_MSG_RESULT(unknown, you will have to set _PATH_SUDO_LOGFILE by hand)
137 dnl Where the log file goes, use /var/log if it exists, else /{var,usr}/adm
139 AC_DEFUN(SUDO_TIMEDIR, [AC_MSG_CHECKING(for timestamp file location)
140 if test -n "$with_timedir"; then
141 AC_MSG_RESULT($with_timedir)
142 SUDO_DEFINE_UNQUOTED(_PATH_SUDO_TIMEDIR, "$with_timedir")
143 timedir="$with_timedir"
144 elif test -d "/var/run"; then
145 AC_MSG_RESULT(/var/run/sudo)
146 SUDO_DEFINE(_PATH_SUDO_TIMEDIR, "/var/run/sudo")
147 timedir="/var/run/sudo"
148 elif test -d "/var/adm"; then
149 AC_MSG_RESULT(/var/adm/sudo)
150 SUDO_DEFINE(_PATH_SUDO_TIMEDIR, "/var/adm/sudo")
151 timedir="/var/adm/sudo"
153 AC_MSG_RESULT(/usr/adm/sudo)
154 SUDO_DEFINE(_PATH_SUDO_TIMEDIR, "/usr/adm/sudo")
155 timedir="/usr/adm/sudo"
160 dnl SUDO_CHECK_TYPE(TYPE, DEFAULT)
161 dnl XXX - should require the check for unistd.h...
163 AC_DEFUN(SUDO_CHECK_TYPE,
164 [AC_REQUIRE([AC_HEADER_STDC])dnl
165 AC_MSG_CHECKING(for $1)
166 AC_CACHE_VAL(sudo_cv_type_$1,
167 [AC_EGREP_CPP($1, [#include <sys/types.h>
174 #endif], sudo_cv_type_$1=yes, sudo_cv_type_$1=no)])dnl
175 AC_MSG_RESULT($sudo_cv_type_$1)
176 if test $sudo_cv_type_$1 = no; then
177 AC_DEFINE($1, $2, [Define if your system lacks the $1 type.])
182 dnl Check for size_t declation
184 AC_DEFUN(SUDO_TYPE_SIZE_T,
185 [SUDO_CHECK_TYPE(size_t, int)])
188 dnl Check for ssize_t declation
190 AC_DEFUN(SUDO_TYPE_SSIZE_T,
191 [SUDO_CHECK_TYPE(ssize_t, int)])
194 dnl Check for dev_t declation
196 AC_DEFUN(SUDO_TYPE_DEV_T,
197 [SUDO_CHECK_TYPE(dev_t, int)])
200 dnl Check for ino_t declation
202 AC_DEFUN(SUDO_TYPE_INO_T,
203 [SUDO_CHECK_TYPE(ino_t, unsigned int)])
206 dnl check for working fnmatch(3)
208 AC_DEFUN(SUDO_FUNC_FNMATCH,
209 [AC_MSG_CHECKING([for working fnmatch with FNM_CASEFOLD])
210 AC_CACHE_VAL(sudo_cv_func_fnmatch,
211 [rm -f conftestdata; > conftestdata
212 AC_TRY_RUN([#include <fnmatch.h>
213 main() { exit(fnmatch("/*/bin/echo *", "/usr/bin/echo just a test", FNM_CASEFOLD)); }], [sudo_cv_func_fnmatch=yes], [sudo_cv_func_fnmatch=no],
214 [sudo_cv_func_fnmatch=no])
215 rm -f core core.* *.core])
216 AC_MSG_RESULT($sudo_cv_func_fnmatch)
217 AS_IF([test $sudo_cv_func_fnmatch = yes], [$1], [$2])])
220 dnl check for isblank(3)
222 AC_DEFUN([SUDO_FUNC_ISBLANK],
223 [AC_CACHE_CHECK([for isblank], [sudo_cv_func_isblank],
224 [AC_TRY_LINK([#include <ctype.h>], [return (isblank('a'));],
225 sudo_cv_func_isblank=yes, sudo_cv_func_isblank=no)])
227 if test "$sudo_cv_func_isblank" = "yes"; then
228 AC_DEFINE(HAVE_ISBLANK, 1, [Define if you have isblank(3).])
235 dnl check unsetenv() return value
237 AC_DEFUN([SUDO_FUNC_UNSETENV_VOID],
238 [AC_CACHE_CHECK([whether unsetenv returns void], [sudo_cv_func_unsetenv_void],
239 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
243 [return unsetenv("FOO") != 0;]
246 [sudo_cv_func_unsetenv_void=no],
247 [sudo_cv_func_unsetenv_void=yes],
248 [sudo_cv_func_unsetenv_void=yes])])
249 if test $sudo_cv_func_unsetenv_void = yes; then
250 AC_DEFINE(UNSETENV_VOID, 1,
251 [Define to 1 if the `unsetenv' function returns void instead of `int'.])
256 dnl check putenv() argument for const
258 AC_DEFUN([SUDO_FUNC_PUTENV_CONST],
259 [AC_CACHE_CHECK([whether putenv has a const argument],
260 sudo_cv_func_putenv_const,
261 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
262 int putenv(const char *string) {return 0;}], [])],
263 [sudo_cv_func_putenv_const=yes],
264 [sudo_cv_func_putenv_const=no])
266 if test $sudo_cv_func_putenv_const = yes; then
267 AC_DEFINE(PUTENV_CONST, 1, [Define to 1 if the `putenv' has a const argument.])
272 dnl check for sa_len field in struct sockaddr
274 AC_DEFUN(SUDO_SOCK_SA_LEN,
275 [AC_MSG_CHECKING(for sa_len field in struct sockaddr)
276 AC_CACHE_VAL(sudo_cv_sock_sa_len,
277 [AC_TRY_RUN([#include <sys/types.h>
278 #include <sys/socket.h>
283 }], sudo_cv_sock_sa_len=yes, sudo_cv_sock_sa_len=no,
284 sudo_cv_sock_sa_len=no)
285 rm -f core core.* *.core])dnl
286 AC_MSG_RESULT($sudo_cv_sock_sa_len)
287 if test $sudo_cv_sock_sa_len = yes; then
288 AC_DEFINE(HAVE_SA_LEN, 1, [Define if your struct sockadr has an sa_len field.])
293 dnl check for max length of uid_t in string representation.
294 dnl we can't really trust UID_MAX or MAXUID since they may exist
295 dnl only for backwards compatibility.
297 AC_DEFUN(SUDO_UID_T_LEN,
298 [AC_REQUIRE([AC_TYPE_UID_T])
299 AC_MSG_CHECKING(max length of uid_t)
300 AC_CACHE_VAL(sudo_cv_uid_t_len,
306 #include <sys/types.h>
307 #include <sys/param.h>
311 uid_t u = (uid_t) -1;
313 if ((f = fopen("conftestdata", "w")) == NULL)
316 (void) sprintf(b, "%lu", (unsigned long) u);
317 (void) fprintf(f, "%d\n", strlen(b));
320 }], sudo_cv_uid_t_len=`cat conftestdata`, sudo_cv_uid_t_len=10)
323 AC_MSG_RESULT($sudo_cv_uid_t_len)
324 AC_DEFINE_UNQUOTED(MAX_UID_T_LEN, $sudo_cv_uid_t_len, [Define to the max length of a uid_t in string context (excluding the NUL).])
328 dnl Check for presence of long long and for sizeof(long long) == sizeof(long)
330 AC_DEFUN(SUDO_TYPE_LONG_LONG,
331 [AC_CHECK_TYPES(long long, [AC_DEFINE(HAVE_LONG_LONG, 1, [Define if your compiler supports the "long long" type.])]
332 [AC_MSG_CHECKING(for long and long long equivalence)
333 AC_CACHE_VAL(sudo_cv_type_long_is_quad,
336 if (sizeof(long long) == sizeof(long)) exit(0);
338 }], [sudo_cv_type_long_is_quad=yes],
339 [sudo_cv_type_long_is_quad=no], [sudo_cv_type_long_is_quad=no])
340 rm -f core core.* *.core])dnl
341 AC_MSG_RESULT($sudo_cv_type_long_is_quad)
342 if test $sudo_cv_type_long_is_quad = yes; then
343 AC_DEFINE(LONG_IS_QUAD, 1, [Define if sizeof(long) == sizeof(long long).])
348 dnl append a libpath to an LDFLAGS style variable
350 AC_DEFUN(SUDO_APPEND_LIBPATH, [
351 if test X"$with_rpath" = X"yes"; then
356 if test X"$blibpath" != X"" -a "$1" = "SUDO_LDFLAGS"; then
357 blibpath_add="${blibpath_add}:$2"
362 dnl private versions of AC_DEFINE and AC_DEFINE_UNQUOTED that don't support
363 dnl tracing that we use to define paths for pathnames.h so autoheader doesn't
364 dnl put them in config.h.in. An awful hack.
366 m4_define([SUDO_DEFINE],
367 [cat >>confdefs.h <<\EOF
368 [@%:@define] $1 m4_if($#, 2, [$2], $#, 3, [$2], 1)
372 m4_define([SUDO_DEFINE_UNQUOTED],
373 [cat >>confdefs.h <<EOF
374 [@%:@define] $1 m4_if($#, 2, [$2], $#, 3, [$2], 1)