1 dnl Local m4 macros for autoconf (used by sudo)
3 dnl Copyright (c) 1994-1996, 1998-2005, 2007-2011
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 in well-known locations
13 AC_DEFUN([SUDO_PROG_SENDMAIL], [AC_MSG_CHECKING([for sendmail])
15 for p in "/usr/sbin/sendmail" "/usr/lib/sendmail" "/usr/etc/sendmail" "/usr/ucblib/sendmail" "/usr/local/lib/sendmail" "/usr/local/bin/sendmail"; do
19 SUDO_DEFINE_UNQUOTED(_PATH_SUDO_SENDMAIL, "$p")
23 if test X"$found" != X"yes"; then
24 AC_MSG_RESULT([not found])
29 dnl check for vi in well-known locations
31 AC_DEFUN([SUDO_PROG_VI], [AC_MSG_CHECKING([for vi])
33 for editor in "/usr/bin/vi" "/bin/vi" "/usr/ucb/vi" "/usr/bsd/vi" "/usr/local/bin/vi"; do
34 if test -f "$editor"; then
36 AC_MSG_RESULT([$editor])
37 SUDO_DEFINE_UNQUOTED(_PATH_VI, "$editor")
41 if test X"$found" != X"yes"; then
42 AC_MSG_RESULT([not found])
47 dnl check for mv in well-known locations
49 AC_DEFUN([SUDO_PROG_MV], [AC_MSG_CHECKING([for mv])
51 for p in "/usr/bin/mv" "/bin/mv" "/usr/ucb/mv" "/usr/sbin/mv"; do
55 SUDO_DEFINE_UNQUOTED(_PATH_MV, "$p")
59 if test X"$found" != X"yes"; then
60 AC_MSG_RESULT([not found])
65 dnl check for bourne shell in well-known locations
67 AC_DEFUN([SUDO_PROG_BSHELL], [AC_MSG_CHECKING([for bourne shell])
69 for p in "/bin/sh" "/usr/bin/sh" "/sbin/sh" "/usr/sbin/sh" "/bin/ksh" "/usr/bin/ksh" "/bin/bash" "/usr/bin/bash"; do
73 SUDO_DEFINE_UNQUOTED(_PATH_BSHELL, "$p")
77 if test X"$found" != X"yes"; then
78 AC_MSG_RESULT([not found])
83 dnl check for utmp file
85 AC_DEFUN([SUDO_PATH_UTMP], [AC_MSG_CHECKING([for utmp file path])
87 for p in "/var/run/utmp" "/var/adm/utmp" "/etc/utmp"; do
91 SUDO_DEFINE_UNQUOTED(_PATH_UTMP, "$p")
95 if test X"$found" != X"yes"; then
96 AC_MSG_RESULT([not found])
101 dnl Where the log file goes, use /var/log if it exists, else /{var,usr}/adm
103 AC_DEFUN([SUDO_LOGFILE], [AC_MSG_CHECKING(for log file location)
104 if test -n "$with_logpath"; then
105 AC_MSG_RESULT($with_logpath)
106 SUDO_DEFINE_UNQUOTED(_PATH_SUDO_LOGFILE, "$with_logpath")
107 elif test -d "/var/log"; then
108 AC_MSG_RESULT(/var/log/sudo.log)
109 SUDO_DEFINE(_PATH_SUDO_LOGFILE, "/var/log/sudo.log")
110 elif test -d "/var/adm"; then
111 AC_MSG_RESULT(/var/adm/sudo.log)
112 SUDO_DEFINE(_PATH_SUDO_LOGFILE, "/var/adm/sudo.log")
113 elif test -d "/usr/adm"; then
114 AC_MSG_RESULT(/usr/adm/sudo.log)
115 SUDO_DEFINE(_PATH_SUDO_LOGFILE, "/usr/adm/sudo.log")
117 AC_MSG_RESULT(unknown, you will have to set _PATH_SUDO_LOGFILE by hand)
122 dnl Where the timestamp files go.
124 AC_DEFUN([SUDO_TIMEDIR], [AC_MSG_CHECKING(for timestamp file location)
125 timedir="$with_timedir"
126 if test -z "$timedir"; then
127 for d in /var/db /var/lib /var/adm /usr/adm; do
128 if test -d "$d"; then
134 AC_MSG_RESULT([$timedir])
135 SUDO_DEFINE_UNQUOTED(_PATH_SUDO_TIMEDIR, "$timedir")
139 dnl Where the I/O log files go, use /var/log/sudo-io if
140 dnl /var/log exists, else /{var,usr}/adm/sudo-io
142 AC_DEFUN([SUDO_IO_LOGDIR], [
143 AC_MSG_CHECKING(for I/O log dir location)
144 if test "${with_iologdir-yes}" != "yes"; then
145 iolog_dir="$with_iologdir"
146 elif test -d "/var/log"; then
147 iolog_dir="/var/log/sudo-io"
148 elif test -d "/var/adm"; then
149 iolog_dir="/var/adm/sudo-io"
151 iolog_dir="/usr/adm/sudo-io"
153 if test "${with_iologdir}" != "no"; then
154 SUDO_DEFINE_UNQUOTED(_PATH_SUDO_IO_LOGDIR, "$iolog_dir")
156 AC_MSG_RESULT($iolog_dir)
160 dnl check for working fnmatch(3)
162 AC_DEFUN([SUDO_FUNC_FNMATCH],
163 [AC_MSG_CHECKING([for working fnmatch with FNM_CASEFOLD])
164 AC_CACHE_VAL(sudo_cv_func_fnmatch,
165 [rm -f conftestdata; > conftestdata
166 AC_TRY_RUN([#include <fnmatch.h>
167 main() { exit(fnmatch("/*/bin/echo *", "/usr/bin/echo just a test", FNM_CASEFOLD)); }], [sudo_cv_func_fnmatch=yes], [sudo_cv_func_fnmatch=no],
168 [sudo_cv_func_fnmatch=no])
169 rm -f core core.* *.core])
170 AC_MSG_RESULT($sudo_cv_func_fnmatch)
171 AS_IF([test $sudo_cv_func_fnmatch = yes], [$1], [$2])])
174 dnl check for isblank(3)
176 AC_DEFUN([SUDO_FUNC_ISBLANK],
177 [AC_CACHE_CHECK([for isblank], [sudo_cv_func_isblank],
178 [AC_TRY_LINK([#include <ctype.h>], [return (isblank('a'));],
179 sudo_cv_func_isblank=yes, sudo_cv_func_isblank=no)])
181 if test "$sudo_cv_func_isblank" = "yes"; then
182 AC_DEFINE(HAVE_ISBLANK, 1, [Define if you have isblank(3).])
188 AC_DEFUN([SUDO_CHECK_LIB], [
189 _sudo_check_lib_extras=`echo "$5"|sed -e 's/[ ]*//g' -e 's/-l/_/g'`
190 AC_MSG_CHECKING([for $2 in -l$1${5+ }$5])
191 AC_CACHE_VAL([sudo_cv_lib_$1''_$2$_sudo_check_lib_extras], [
192 SUDO_CHECK_LIB_OLIBS="$LIBS"
193 LIBS="$LIBS -l$1${5+ }$5"
195 [AC_LANG_CALL([], [$2])],
196 [eval sudo_cv_lib_$1''_$2$_sudo_check_lib_extras=yes],
197 [eval sudo_cv_lib_$1''_$2$_sudo_check_lib_extras=no]
199 LIBS="$SUDO_CHECK_LIB_OLIBS"
201 if eval test \$sudo_cv_lib_$1''_$2$_sudo_check_lib_extras = "yes"; then
211 dnl check unsetenv() return value
213 AC_DEFUN([SUDO_FUNC_UNSETENV_VOID],
214 [AC_CACHE_CHECK([whether unsetenv returns void], [sudo_cv_func_unsetenv_void],
215 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
219 [return unsetenv("FOO") != 0;]
222 [sudo_cv_func_unsetenv_void=no],
223 [sudo_cv_func_unsetenv_void=yes],
224 [sudo_cv_func_unsetenv_void=no])])
225 if test $sudo_cv_func_unsetenv_void = yes; then
226 AC_DEFINE(UNSETENV_VOID, 1,
227 [Define to 1 if the `unsetenv' function returns void instead of `int'.])
232 dnl check for sa_len field in struct sockaddr
234 AC_DEFUN([SUDO_SOCK_SA_LEN], [
235 AC_CHECK_MEMBER([struct sockaddr.sa_len],
236 [AC_DEFINE(HAVE_STRUCT_SOCKADDR_SA_LEN, 1, [Define if your struct sockadr has an sa_len field.])],
238 [ #include <sys/types.h>
239 #include <sys/socket.h>]
243 dnl check for max length of uid_t in string representation.
244 dnl we can't really trust UID_MAX or MAXUID since they may exist
245 dnl only for backwards compatibility.
247 AC_DEFUN([SUDO_UID_T_LEN],
248 [AC_REQUIRE([AC_TYPE_UID_T])
249 AC_MSG_CHECKING(max length of uid_t)
250 AC_CACHE_VAL(sudo_cv_uid_t_len,
256 #include <sys/types.h>
257 #include <sys/param.h>
261 uid_t u = (uid_t) -1;
263 if ((f = fopen("conftestdata", "w")) == NULL)
266 (void) sprintf(b, "%lu", (unsigned long) u);
267 (void) fprintf(f, "%d\n", strlen(b));
270 }], sudo_cv_uid_t_len=`cat conftestdata`, sudo_cv_uid_t_len=10, sudo_cv_uid_t_len=10)
273 AC_MSG_RESULT($sudo_cv_uid_t_len)
274 AC_DEFINE_UNQUOTED(MAX_UID_T_LEN, $sudo_cv_uid_t_len, [Define to the max length of a uid_t in string context (excluding the NUL).])
278 dnl append a libpath to an LDFLAGS style variable
280 AC_DEFUN([SUDO_APPEND_LIBPATH], [
281 if test X"$with_rpath" = X"yes"; then
283 *-*-hpux*) $1="${$1} -L$2 -Wl,+b,$2"
285 *) $1="${$1} -L$2 -Wl,-R$2"
291 if test X"$blibpath" != X"" -a "$1" = "SUDO_LDFLAGS"; then
292 blibpath_add="${blibpath_add}:$2"
297 dnl Determine the mail spool location
298 dnl NOTE: must be run *after* check for paths.h
300 AC_DEFUN([SUDO_MAILDIR], [
302 if test X"$ac_cv_header_paths_h" = X"yes"; then
303 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
305 [char *p = _PATH_MAILDIR;])], [maildir=yes], [])
307 if test $maildir = no; then
308 # Solaris has maillock.h which defines MAILDIR
309 AC_CHECK_HEADERS(maillock.h, [
310 SUDO_DEFINE(_PATH_MAILDIR, MAILDIR)
313 if test $maildir = no; then
314 for d in /var/mail /var/spool/mail /usr/spool/mail; do
315 if test -d "$d"; then
317 SUDO_DEFINE_UNQUOTED(_PATH_MAILDIR, "$d")
321 if test $maildir = no; then
322 # unable to find mail dir, hope for the best
323 SUDO_DEFINE_UNQUOTED(_PATH_MAILDIR, "/var/mail")
330 dnl private versions of AC_DEFINE and AC_DEFINE_UNQUOTED that don't support
331 dnl tracing that we use to define paths for pathnames.h so autoheader doesn't
332 dnl put them in config.h.in. An awful hack.
334 m4_define([SUDO_DEFINE],
335 [cat >>confdefs.h <<\EOF
336 [@%:@define] $1 m4_if($#, 2, [$2], $#, 3, [$2], 1)
340 m4_define([SUDO_DEFINE_UNQUOTED],
341 [cat >>confdefs.h <<EOF
342 [@%:@define] $1 m4_if($#, 2, [$2], $#, 3, [$2], 1)
347 dnl Pull in libtool macros
349 m4_include([libtool.m4])
350 m4_include([ltoptions.m4])
351 m4_include([ltsugar.m4])
352 m4_include([ltversion.m4])
353 m4_include([lt~obsolete.m4])