Annotation of src/usr.bin/sudo/aclocal.m4, Revision 1.13
1.6 millert 1: dnl Local m4 macros for autoconf (used by sudo)
1.1 millert 2: dnl
1.11 millert 3: dnl Copyright (c) 1994-1996, 1998-2005, 2007-2009
4: dnl Todd C. Miller <Todd.Miller@courtesan.com>
1.1 millert 5: dnl
6: dnl XXX - should cache values in all cases!!!
7: dnl
8: dnl checks for programs
9:
10: dnl
11: dnl check for sendmail
12: dnl
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")
32: else
33: AC_MSG_RESULT(not found)
34: fi
35: ])dnl
36:
37: dnl
38: dnl check for vi
39: dnl
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")
56: else
57: AC_MSG_RESULT(not found)
58: fi
59: ])dnl
60:
61: dnl
62: dnl check for mv
63: dnl
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")
77: else
78: AC_MSG_RESULT(not found)
79: fi
80: ])dnl
81:
82: dnl
83: dnl check for bourne shell
84: dnl
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")
110: else
111: AC_MSG_RESULT(not found)
112: fi
113: ])dnl
114:
115: dnl
116: dnl Where the log file goes, use /var/log if it exists, else /{var,usr}/adm
117: dnl
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, "$with_logpath")
122: elif test -d "/var/log"; then
123: AC_MSG_RESULT(/var/log/sudo.log)
124: SUDO_DEFINE(_PATH_SUDO_LOGFILE, "/var/log/sudo.log")
125: elif test -d "/var/adm"; then
126: AC_MSG_RESULT(/var/adm/sudo.log)
127: SUDO_DEFINE(_PATH_SUDO_LOGFILE, "/var/adm/sudo.log")
128: elif test -d "/usr/adm"; then
129: AC_MSG_RESULT(/usr/adm/sudo.log)
130: SUDO_DEFINE(_PATH_SUDO_LOGFILE, "/usr/adm/sudo.log")
131: else
132: AC_MSG_RESULT(unknown, you will have to set _PATH_SUDO_LOGFILE by hand)
133: fi
134: ])dnl
135:
136: dnl
137: dnl Where the log file goes, use /var/log if it exists, else /{var,usr}/adm
138: dnl
139: AC_DEFUN(SUDO_TIMEDIR, [AC_MSG_CHECKING(for timestamp file location)
140: if test -n "$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"
1.5 millert 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"
1.1 millert 152: else
1.5 millert 153: AC_MSG_RESULT(/usr/adm/sudo)
154: SUDO_DEFINE(_PATH_SUDO_TIMEDIR, "/usr/adm/sudo")
155: timedir="/usr/adm/sudo"
1.1 millert 156: fi
157: ])dnl
158:
159: dnl
160: dnl SUDO_CHECK_TYPE(TYPE, DEFAULT)
161: dnl XXX - should require the check for unistd.h...
162: dnl
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>
168: #include <stdio.h>
169: #if STDC_HEADERS
170: #include <stdlib.h>
171: #endif
172: #if HAVE_UNISTD_H
173: #include <unistd.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 $1 type.])
178: fi
179: ])
180:
181: dnl
182: dnl Check for size_t declation
183: dnl
184: AC_DEFUN(SUDO_TYPE_SIZE_T,
185: [SUDO_CHECK_TYPE(size_t, int)])
186:
187: dnl
188: dnl Check for ssize_t declation
189: dnl
190: AC_DEFUN(SUDO_TYPE_SSIZE_T,
191: [SUDO_CHECK_TYPE(ssize_t, int)])
192:
193: dnl
194: dnl Check for dev_t declation
195: dnl
196: AC_DEFUN(SUDO_TYPE_DEV_T,
197: [SUDO_CHECK_TYPE(dev_t, int)])
198:
199: dnl
200: dnl Check for ino_t declation
201: dnl
202: AC_DEFUN(SUDO_TYPE_INO_T,
203: [SUDO_CHECK_TYPE(ino_t, unsigned int)])
204:
205: dnl
1.13 ! millert 206: dnl Detect time zone file directory, if any.
! 207: dnl
! 208: AC_DEFUN([SUDO_TZDIR], [AC_MSG_CHECKING(time zone data directory)
! 209: tzdir="$with_tzdir"
! 210: if test -z "$tzdir"; then
! 211: tzdir=no
! 212: for d in /usr/share /usr/share/lib /usr/lib /etc; do
! 213: if test -d "$d/zoneinfo"; then
! 214: tzdir="$d/zoneinfo"
! 215: break
! 216: fi
! 217: done
! 218: fi
! 219: AC_MSG_RESULT([$tzdir])
! 220: if test "${tzdir}" != "no"; then
! 221: SUDO_DEFINE_UNQUOTED(_PATH_ZONEINFO, "$tzdir")
! 222: fi
! 223: ])dnl
! 224:
! 225: dnl
1.1 millert 226: dnl check for working fnmatch(3)
227: dnl
228: AC_DEFUN(SUDO_FUNC_FNMATCH,
1.6 millert 229: [AC_MSG_CHECKING([for working fnmatch with FNM_CASEFOLD])
1.1 millert 230: AC_CACHE_VAL(sudo_cv_func_fnmatch,
231: [rm -f conftestdata; > conftestdata
232: AC_TRY_RUN([#include <fnmatch.h>
1.6 millert 233: main() { exit(fnmatch("/*/bin/echo *", "/usr/bin/echo just a test", FNM_CASEFOLD)); }], [sudo_cv_func_fnmatch=yes], [sudo_cv_func_fnmatch=no],
234: [sudo_cv_func_fnmatch=no])
235: rm -f core core.* *.core])
1.1 millert 236: AC_MSG_RESULT($sudo_cv_func_fnmatch)
1.6 millert 237: AS_IF([test $sudo_cv_func_fnmatch = yes], [$1], [$2])])
1.1 millert 238:
239: dnl
240: dnl check for isblank(3)
241: dnl
242: AC_DEFUN([SUDO_FUNC_ISBLANK],
1.10 millert 243: [AC_CACHE_CHECK([for isblank], [sudo_cv_func_isblank],
1.7 millert 244: [AC_TRY_LINK([#include <ctype.h>], [return (isblank('a'));],
1.1 millert 245: sudo_cv_func_isblank=yes, sudo_cv_func_isblank=no)])
246: ] [
247: if test "$sudo_cv_func_isblank" = "yes"; then
248: AC_DEFINE(HAVE_ISBLANK, 1, [Define if you have isblank(3).])
1.9 millert 249: else
250: AC_LIBOBJ(isblank)
1.10 millert 251: fi
252: ])
253:
254: dnl
255: dnl check unsetenv() return value
256: dnl
257: AC_DEFUN([SUDO_FUNC_UNSETENV_VOID],
258: [AC_CACHE_CHECK([whether unsetenv returns void], [sudo_cv_func_unsetenv_void],
259: [AC_RUN_IFELSE([AC_LANG_PROGRAM(
260: [AC_INCLUDES_DEFAULT
261: int unsetenv();
262: ], [
263: [return unsetenv("FOO") != 0;]
264: ])
265: ],
266: [sudo_cv_func_unsetenv_void=no],
267: [sudo_cv_func_unsetenv_void=yes],
268: [sudo_cv_func_unsetenv_void=yes])])
269: if test $sudo_cv_func_unsetenv_void = yes; then
270: AC_DEFINE(UNSETENV_VOID, 1,
271: [Define to 1 if the `unsetenv' function returns void instead of `int'.])
272: fi
273: ])
274:
275: dnl
276: dnl check putenv() argument for const
277: dnl
278: AC_DEFUN([SUDO_FUNC_PUTENV_CONST],
279: [AC_CACHE_CHECK([whether putenv has a const argument],
280: sudo_cv_func_putenv_const,
281: [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
282: int putenv(const char *string) {return 0;}], [])],
283: [sudo_cv_func_putenv_const=yes],
284: [sudo_cv_func_putenv_const=no])
285: ])
286: if test $sudo_cv_func_putenv_const = yes; then
287: AC_DEFINE(PUTENV_CONST, 1, [Define to 1 if the `putenv' has a const argument.])
1.1 millert 288: fi
289: ])
290:
291: dnl
292: dnl check for sa_len field in struct sockaddr
293: dnl
294: AC_DEFUN(SUDO_SOCK_SA_LEN,
295: [AC_MSG_CHECKING(for sa_len field in struct sockaddr)
296: AC_CACHE_VAL(sudo_cv_sock_sa_len,
297: [AC_TRY_RUN([#include <sys/types.h>
298: #include <sys/socket.h>
299: main() {
300: struct sockaddr s;
301: s.sa_len = 0;
302: exit(0);
303: }], sudo_cv_sock_sa_len=yes, sudo_cv_sock_sa_len=no,
304: sudo_cv_sock_sa_len=no)
305: rm -f core core.* *.core])dnl
306: AC_MSG_RESULT($sudo_cv_sock_sa_len)
307: if test $sudo_cv_sock_sa_len = yes; then
308: AC_DEFINE(HAVE_SA_LEN, 1, [Define if your struct sockadr has an sa_len field.])
309: fi
310: ])
311:
312: dnl
313: dnl check for max length of uid_t in string representation.
314: dnl we can't really trust UID_MAX or MAXUID since they may exist
315: dnl only for backwards compatibility.
316: dnl
317: AC_DEFUN(SUDO_UID_T_LEN,
318: [AC_REQUIRE([AC_TYPE_UID_T])
319: AC_MSG_CHECKING(max length of uid_t)
320: AC_CACHE_VAL(sudo_cv_uid_t_len,
321: [rm -f conftestdata
322: AC_TRY_RUN(
323: [#include <stdio.h>
324: #include <pwd.h>
325: #include <limits.h>
326: #include <sys/types.h>
327: #include <sys/param.h>
328: main() {
329: FILE *f;
330: char b[1024];
331: uid_t u = (uid_t) -1;
332:
333: if ((f = fopen("conftestdata", "w")) == NULL)
334: exit(1);
335:
1.3 millert 336: (void) sprintf(b, "%lu", (unsigned long) u);
1.1 millert 337: (void) fprintf(f, "%d\n", strlen(b));
338: (void) fclose(f);
339: exit(0);
340: }], sudo_cv_uid_t_len=`cat conftestdata`, sudo_cv_uid_t_len=10)
341: ])
342: rm -f conftestdata
343: AC_MSG_RESULT($sudo_cv_uid_t_len)
344: AC_DEFINE_UNQUOTED(MAX_UID_T_LEN, $sudo_cv_uid_t_len, [Define to the max length of a uid_t in string context (excluding the NUL).])
345: ])
346:
347: dnl
1.6 millert 348: dnl Check for presence of long long and for sizeof(long long) == sizeof(long)
1.1 millert 349: dnl
1.6 millert 350: AC_DEFUN(SUDO_TYPE_LONG_LONG,
351: [AC_CHECK_TYPES(long long, [AC_DEFINE(HAVE_LONG_LONG, 1, [Define if your compiler supports the "long long" type.])]
352: [AC_MSG_CHECKING(for long and long long equivalence)
353: AC_CACHE_VAL(sudo_cv_type_long_is_quad,
354: [AC_TRY_RUN([
355: main() {
356: if (sizeof(long long) == sizeof(long)) exit(0);
357: else exit(1);
358: }], [sudo_cv_type_long_is_quad=yes],
359: [sudo_cv_type_long_is_quad=no], [sudo_cv_type_long_is_quad=no])
360: rm -f core core.* *.core])dnl
361: AC_MSG_RESULT($sudo_cv_type_long_is_quad)
362: if test $sudo_cv_type_long_is_quad = yes; then
363: AC_DEFINE(LONG_IS_QUAD, 1, [Define if sizeof(long) == sizeof(long long).])
364: fi
365: ])])
1.1 millert 366:
367: dnl
1.4 millert 368: dnl append a libpath to an LDFLAGS style variable
369: dnl
370: AC_DEFUN(SUDO_APPEND_LIBPATH, [
371: if test X"$with_rpath" = X"yes"; then
1.12 millert 372: case "$host" in
373: *-*-hpux*) $1="${$1} -L$2 -Wl,+b,$2"
374: ;;
375: *) $1="${$1} -L$2 -Wl,-R$2"
376: ;;
377: esac
1.4 millert 378: else
379: $1="${$1} -L$2"
380: fi
381: if test X"$blibpath" != X"" -a "$1" = "SUDO_LDFLAGS"; then
382: blibpath_add="${blibpath_add}:$2"
383: fi
1.6 millert 384: ])
385:
386: dnl
1.1 millert 387: dnl private versions of AC_DEFINE and AC_DEFINE_UNQUOTED that don't support
388: dnl tracing that we use to define paths for pathnames.h so autoheader doesn't
389: dnl put them in config.h.in. An awful hack.
390: dnl
391: m4_define([SUDO_DEFINE],
392: [cat >>confdefs.h <<\EOF
393: [@%:@define] $1 m4_if($#, 2, [$2], $#, 3, [$2], 1)
394: EOF
395: ])
396:
397: m4_define([SUDO_DEFINE_UNQUOTED],
398: [cat >>confdefs.h <<EOF
399: [@%:@define] $1 m4_if($#, 2, [$2], $#, 3, [$2], 1)
400: EOF
401: ])
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