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Comparing libptytty/ptytty.m4 (file contents):
Revision 1.15 by ayin, Mon Nov 5 22:06:56 2007 UTC vs.
Revision 1.41 by sf-exg, Tue Jun 8 06:52:34 2021 UTC

1dnl this file is part of libptytty, do not make local modifications 1AC_DEFUN([PT_FIND_FILE],
2dnl http://software.schmorp.de/pkg/libptytty 2[AC_CACHE_CHECK(for a fallback location of $1, pt_cv_path_$1, [
3if test "$cross_compiling" != yes; then
4 for file in $3; do
5 if test -f "$file"; then
6 pt_cv_path_$1=$file
7 break
8 fi
9 done
10fi])
11if test x$pt_cv_path_$1 != x; then
12 AC_DEFINE_UNQUOTED($2, "$pt_cv_path_$1", Define to a fallback location of $1)
13elif test "$cross_compiling" = yes; then
14 AC_MSG_WARN(Define $2 in config.h manually)
15fi])
3 16
4AC_DEFUN([PTY_CHECK], 17AC_DEFUN([PTY_CHECK],
5[ 18[
6AC_CHECK_HEADERS( \ 19AC_CHECK_HEADERS( \
7 pty.h \ 20 pty.h \
8 util.h \ 21 util.h \
9 libutil.h \ 22 libutil.h \
10 sys/ioctl.h \ 23 sys/ioctl.h \
11 sys/stropts.h \ 24 stropts.h \
12) 25)
13 26
14AC_CHECK_FUNCS( \ 27AC_CHECK_FUNCS( \
15 revoke \ 28 revoke \
16 _getpty \ 29 _getpty \
17 getpt \ 30 getpt \
18 posix_openpt \ 31 posix_openpt \
19 isastream \ 32 isastream \
20 setuid \ 33 setuid \
21 seteuid \
22 setreuid \ 34 setreuid \
23 setresuid \ 35 setresuid \
24) 36)
25 37
26have_clone=no
27
28AC_MSG_CHECKING(for /dev/ptym/clone)
29if test -e /dev/ptym/clone; then
30 AC_MSG_RESULT(yes)
31 AC_DEFINE(HAVE_DEV_CLONE, 1, [Define to 1 if you have /dev/ptym/clone])
32 AC_DEFINE(CLONE_DEVICE, "/dev/ptym/clone", [clone device filename])
33 have_clone=yes
34else
35 AC_MSG_RESULT(no)
36fi
37
38AC_MSG_CHECKING(for /dev/ptc)
39if test -e /dev/ptc; then
40 AC_MSG_RESULT(yes)
41 AC_DEFINE(HAVE_DEV_PTC, 1, [Define to 1 if you have /dev/ptc])
42 AC_DEFINE(CLONE_DEVICE, "/dev/ptc", [clone device filename])
43 have_clone=yes
44else
45 AC_MSG_RESULT(no)
46fi
47
48case $host in
49 *-*-cygwin*)
50 have_clone=yes
51 AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename])
52 ;;
53 *)
54 AC_MSG_CHECKING(for /dev/ptmx)
55 if test -e /dev/ptmx; then
56 AC_MSG_RESULT(yes)
57 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if you have /dev/ptmx])
58 AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename])
59 have_clone=yes
60 else
61 AC_MSG_RESULT(no)
62 fi
63 ;;
64esac
65
66if test x$ac_cv_func_getpt = xyes -o x$ac_cv_func_posix_openpt = xyes -o x$have_clone = xyes; then
67 AC_MSG_CHECKING(for UNIX98 ptys) 38AC_MSG_CHECKING(for UNIX98 ptys)
68 AC_TRY_LINK([#include <stdlib.h>], 39AC_LINK_IFELSE(
40 [AC_LANG_PROGRAM(
41 [[#include <stdlib.h>]],
69 [grantpt(0);unlockpt(0);ptsname(0);], 42 [[grantpt(0);unlockpt(0);ptsname(0);]])],
70 [unix98_pty=yes 43 [unix98_pty=yes
71 AC_DEFINE(UNIX98_PTY, 1, "") 44 AC_DEFINE(UNIX98_PTY, 1, "")
72 AC_MSG_RESULT(yes)], 45 AC_MSG_RESULT(yes)],
73 [AC_MSG_RESULT(no)]) 46 [AC_MSG_RESULT(no)])
74fi
75 47
76if test -z "$unix98_pty"; then 48if test -z "$unix98_pty"; then
77 AC_CHECK_FUNCS(openpty, [], [AC_CHECK_LIB(util, openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"])]) 49 AC_SEARCH_LIBS(openpty, util, AC_DEFINE(HAVE_OPENPTY, 1, ""))
78fi 50fi
79]) 51])
80 52
81AC_DEFUN([UTMP_CHECK], 53AC_DEFUN([UTMP_CHECK],
82[ 54[
… …
110fi 82fi
111if test x$support_lastlog = xyes; then 83if test x$support_lastlog = xyes; then
112 AC_DEFINE(LASTLOG_SUPPORT, 1, Define if you want to have lastlog support when utmp/utmpx is enabled) 84 AC_DEFINE(LASTLOG_SUPPORT, 1, Define if you want to have lastlog support when utmp/utmpx is enabled)
113fi 85fi
114 86
115AC_CHECK_FUNCS( \ 87case $host in
116 updwtmp \ 88 *-*-solaris*)
117 updwtmpx \ 89 AC_DEFINE(__EXTENSIONS__, 1, Enable declarations in utmp.h on Solaris when the XPG4v2 namespace is active)
118 updlastlogx \ 90 ;;
119) 91esac
120 92
93AC_CHECK_HEADERS(utmp.h, [
94AC_CHECK_TYPES([struct utmp], [], [], [
95#include <sys/types.h>
96#include <utmp.h>
97])
98
99AC_CHECK_MEMBER([struct utmp.ut_host],
100[AC_DEFINE(HAVE_UTMP_HOST, 1, Define if struct utmp contains ut_host)], [], [
101#include <sys/types.h>
102#include <utmp.h>
103])
104
105AC_CHECK_MEMBER([struct utmp.ut_pid],
106[AC_DEFINE(HAVE_UTMP_PID, 1, Define if struct utmp contains ut_pid)], [], [
107#include <sys/types.h>
108#include <utmp.h>
109])
110
111AC_CHECK_FUNCS([updwtmp])
112
121AC_CHECK_HEADERS(lastlog.h) 113AC_CHECK_HEADERS([lastlog.h])
122 114
123dnl# -------------------------------------------------------------------------- 115AC_CHECK_TYPES([struct lastlog], [], [], [
124dnl# DO ALL UTMP AND WTMP CHECKING 116#include <sys/types.h>
125dnl# --------------------------------------------------------------------------
126dnl# check for host field in utmp structure
127
128dnl# --------------------------------------------
129AC_CHECK_HEADERS(utmp.h,
130[AC_CACHE_CHECK([for struct utmp], struct_utmp,
131[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
132#include <utmp.h>]], [[struct utmp ut;]])],[struct_utmp=yes],[struct_utmp=no])])
133if test x$struct_utmp = xyes; then
134 AC_DEFINE(HAVE_STRUCT_UTMP, 1, Define if utmp.h has struct utmp)
135fi
136]
137
138AC_CACHE_CHECK(for ut_host in utmp struct, struct_utmp_host,
139[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
140#include <utmp.h>]], [[struct utmp ut; ut.ut_host;]])],[struct_utmp_host=yes],[struct_utmp_host=no])])
141if test x$struct_utmp_host = xyes; then
142 AC_DEFINE(HAVE_UTMP_HOST, 1, Define if struct utmp contains ut_host)
143fi
144
145AC_CACHE_CHECK(for ut_pid in utmp struct, struct_utmp_pid,
146[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
147#include <utmp.h>]], [[struct utmp ut; ut.ut_pid;]])],[struct_utmp_pid=yes],[struct_utmp_pid=no])])
148if test x$struct_utmp_pid = xyes; then
149 AC_DEFINE(HAVE_UTMP_PID, 1, Define if struct utmp contains ut_pid)
150fi
151) dnl# AC_CHECK_HEADERS(utmp.h
152
153dnl# --------------------------------------------
154
155AC_CHECK_HEADERS(utmpx.h,
156[AC_CACHE_CHECK([for struct utmpx], struct_utmpx,
157[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
158#include <utmpx.h>]], [[struct utmpx ut;]])],[struct_utmpx=yes],[struct_utmpx=no])])
159if test x$struct_utmpx = xyes; then
160 AC_DEFINE(HAVE_STRUCT_UTMPX, 1, Define if utmpx.h has struct utmpx)
161fi
162]
163
164AC_CACHE_CHECK(for host in utmpx struct, struct_utmpx_host,
165[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
166#include <utmpx.h>]], [[struct utmpx utx; utx.ut_host;]])],[struct_utmpx_host=yes],[struct_utmpx_host=no])])
167if test x$struct_utmpx_host = xyes; then
168 AC_DEFINE(HAVE_UTMPX_HOST, 1, Define if struct utmpx contains ut_host)
169fi
170
171AC_CACHE_CHECK(for session in utmpx struct, struct_utmpx_session,
172[AC_TRY_COMPILE([#include <sys/types.h>
173#include <utmpx.h>],
174[struct utmpx utx; utx.ut_session;],
175struct_utmpx_session=yes, struct_utmpx_session=no)])
176if test x$struct_utmpx_session = xyes; then
177 AC_DEFINE(HAVE_UTMPX_SESSION, 1, Define if struct utmpx contains ut_session)
178fi
179) dnl# AC_CHECK_HEADERS(utmpx.h
180
181dnl# --------------------------------------------------------------------------
182dnl# check for struct lastlog
183AC_CACHE_CHECK(for struct lastlog, struct_lastlog,
184[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
185#include <utmp.h> 117#include <utmp.h>
186#ifdef HAVE_LASTLOG_H 118#ifdef HAVE_LASTLOG_H
187#include <lastlog.h> 119#include <lastlog.h>
188#endif 120#endif
189]], [[struct lastlog ll;]])],[struct_lastlog=yes],[struct_lastlog=no])]) 121])
190if test x$struct_lastlog = xyes; then
191 AC_DEFINE(HAVE_STRUCT_LASTLOG, 1, Define if utmp.h or lastlog.h has struct lastlog)
192fi
193 122
194dnl# check for struct lastlogx 123PT_FIND_FILE([utmp], [PT_UTMP_FILE],
195AC_CACHE_CHECK(for struct lastlogx, struct_lastlogx, 124["/var/run/utmp" "/var/adm/utmp" "/etc/utmp" "/usr/etc/utmp" "/usr/adm/utmp"])
196[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> 125
126PT_FIND_FILE([wtmp], [PT_WTMP_FILE],
127["/var/log/wtmp" "/var/adm/wtmp" "/etc/wtmp" "/usr/etc/wtmp" "/usr/adm/wtmp"])
128
129PT_FIND_FILE([lastlog], [PT_LASTLOG_FILE],
130["/var/log/lastlog" "/var/adm/lastlog"])
131
132])
133
134AC_CHECK_HEADERS(utmpx.h, [
135AC_CHECK_TYPES([struct utmpx], [], [], [
136#include <sys/types.h>
197#include <utmpx.h> 137#include <utmpx.h>
198#ifdef HAVE_LASTLOG_H 138])
199#include <lastlog.h> 139
140AC_CHECK_MEMBER([struct utmpx.ut_host],
141[AC_DEFINE(HAVE_UTMPX_HOST, 1, Define if struct utmpx contains ut_host)], [], [
142#include <sys/types.h>
143#include <utmpx.h>
144])
145
146AC_CHECK_FUNCS([updwtmpx updlastlogx])
147
148AC_CHECK_TYPES([struct lastlogx], [], [], [
149#include <sys/types.h>
150#include <utmpx.h>
151])
152
153PT_FIND_FILE([wtmpx], [PT_WTMPX_FILE],
154["/var/log/wtmpx" "/var/adm/wtmpx"])
155
156PT_FIND_FILE([lastlogx], [PT_LASTLOGX_FILE],
157["/var/log/lastlogx" "/var/adm/lastlogx"])
158])
159
160])
161
162AC_DEFUN([SCM_RIGHTS_CHECK],
163[
164AH_TEMPLATE([_XOPEN_SOURCE], [Enable declarations of msg_control and msg_controllen on Solaris])
165case $host in
166 *-*-solaris*)
167 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
168#if __STDC_VERSION__ >= 199901L
169error
200#endif 170#endif
201]], [[struct lastlogx ll;]])],[struct_lastlogx=yes],[struct_lastlogx=no])]) 171]])],[AC_DEFINE(_XOPEN_SOURCE, 500)],[AC_DEFINE(_XOPEN_SOURCE, 600)])
202if test x$struct_lastlogx = xyes; then 172 AC_SEARCH_LIBS(sendmsg, socket)
203 AC_DEFINE(HAVE_STRUCT_LASTLOGX, 1, Define if utmpx.h or lastlog.h has struct lastlogx) 173 ;;
204fi 174esac
205 175
206dnl# --------------------------------------------------------------------------
207dnl# FIND FILES
208dnl# --------------------------------------------------------------------------
209
210dnl# find utmp
211AC_CACHE_CHECK(where utmp is located, path_utmp,
212[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
213#include <stdlib.h>
214#include <sys/types.h>
215#include <utmp.h>
216#include <errno.h>
217main()
218{
219 char **u, *utmplist[] = {
220 "/var/run/utmp", "/var/adm/utmp", "/etc/utmp", "/usr/etc/utmp", "/usr/adm/utmp", NULL };
221 FILE *a, *f=fopen("conftestval", "w");
222 if (!f) exit(1);
223#ifdef UTMP_FILE
224 fprintf(f, "%s\n", UTMP_FILE);
225 exit(0);
226#endif
227#ifdef _PATH_UTMP
228 fprintf(f, "%s\n", _PATH_UTMP);
229 exit(0);
230#endif
231 for (u = utmplist; *u; u++) {
232 if ((a = fopen(*u, "r")) != NULL || errno == EACCES) {
233 fprintf(f, "%s\n", *u);
234 exit(0);
235 }
236 }
237 exit(0);
238}]])],[path_utmp=`cat conftestval`],[path_utmp=],[dnl
239 AC_MSG_WARN(Define UTMP_FILE in config.h manually)])])
240if test x$path_utmp != x; then
241 AC_DEFINE_UNQUOTED(UTMP_FILE, "$path_utmp", Define location of utmp)
242fi
243
244dnl# --------------------------------------------------------------------------
245
246dnl# find utmpx - if a utmp file exists at the same location and is more than
247dnl# a day newer, then dump the utmpx. People leave lots of junk around.
248AC_CACHE_CHECK(where utmpx is located, path_utmpx,
249[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
250#include <stdlib.h>
251#include <sys/types.h>
252#include <utmpx.h>
253#include <errno.h>
254#include <sys/stat.h>
255#ifdef HAVE_STRING_H
256#include <string.h>
257#endif
258main()
259{
260 char **u, *p, *utmplist[] = {
261#ifdef UTMPX_FILE
262 UTMPX_FILE,
263#endif
264#ifdef _PATH_UTMPX
265 _PATH_UTMPX,
266#endif
267 "/var/adm/utmpx", "/etc/utmpx", NULL };
268 FILE *a, *f=fopen("conftestval", "w");
269 struct stat statu, statux;
270 if (!f) exit(1);
271 for (u = utmplist; *u; u++) {
272 if ((a = fopen(*u, "r")) != NULL || errno == EACCES) {
273 if (stat(*u, &statux) < 0)
274 continue;
275 p = strdup(*u);
276 p[strlen(p) - 1] = '\0';
277 if (stat(p, &statu) >= 0
278 && (statu.st_mtime - statux.st_mtime > 86400))
279 continue;
280 fprintf(f, "%s\n", *u);
281 exit(0);
282 }
283 }
284 exit(0);
285}]])],[path_utmpx=`cat conftestval`],[path_utmpx=],[dnl
286 AC_MSG_WARN(Define UTMPX_FILE in config.h manually)])])
287if test x$path_utmpx != x; then
288 AC_DEFINE_UNQUOTED(UTMPX_FILE, "$path_utmpx", Define location of utmpx)
289fi
290
291dnl# --------------------------------------------------------------------------
292
293dnl# find wtmp
294AC_CACHE_CHECK(where wtmp is located, path_wtmp,
295[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
296#include <stdlib.h>
297#include <sys/types.h>
298#ifdef HAVE_UTMP_H
299#include <utmp.h>
300#endif
301#include <errno.h>
302main()
303{
304 char **w, *wtmplist[] = {
305 "/var/log/wtmp", "/var/adm/wtmp", "/etc/wtmp", "/usr/etc/wtmp", "/usr/adm/wtmp", NULL };
306 FILE *a, *f=fopen("conftestval", "w");
307 if (!f) exit(1);
308#ifdef WTMP_FILE
309 fprintf(f, "%s\n", WTMP_FILE);
310 exit(0);
311#endif
312#ifdef _PATH_WTMP
313 fprintf(f, "%s\n", _PATH_WTMP);
314 exit(0);
315#endif
316 for (w = wtmplist; *w; w++) {
317 if ((a = fopen(*w, "r")) != NULL || errno == EACCES) {
318 fprintf(f, "%s\n", *w);
319 exit(0);
320 }
321 }
322 exit(0);
323}]])],[path_wtmp=`cat conftestval`],[path_wtmp=],[dnl
324 AC_MSG_WARN(Define WTMP_FILE in config.h manually)])])
325if test x$path_wtmp != x; then
326 AC_DEFINE_UNQUOTED(WTMP_FILE, "$path_wtmp", Define location of wtmp)
327fi
328dnl# --------------------------------------------------------------------------
329
330dnl# find wtmpx
331AC_CACHE_CHECK(where wtmpx is located, path_wtmpx,
332[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
333#include <stdlib.h>
334#ifdef HAVE_UTMPX_H
335#include <utmpx.h>
336#endif
337#include <errno.h>
338main()
339{
340 char **w, *wtmplist[] = {
341 "/var/log/wtmpx", "/var/adm/wtmpx", NULL };
342 FILE *a, *f=fopen("conftestval", "w");
343 if (!f) exit(1);
344#ifdef WTMPX_FILE
345 fprintf(f, "%s\n", WTMPX_FILE);
346 exit(0);
347#endif
348#ifdef _PATH_WTMPX
349 fprintf(f, "%s\n", _PATH_WTMPX);
350 exit(0);
351#endif
352 for (w = wtmplist; *w; w++) {
353 if ((a = fopen(*w, "r")) != NULL || errno == EACCES) {
354 fprintf(f, "%s\n", *w);
355 exit(0);
356 }
357 }
358 exit(0);
359}]])],[path_wtmpx=`cat conftestval`],[path_wtmpx=],[dnl
360 AC_MSG_WARN(Define WTMPX_FILE in config.h manually)])])
361if test x$path_wtmpx != x; then
362 AC_DEFINE_UNQUOTED(WTMPX_FILE, "$path_wtmpx", Define location of wtmpx)
363fi
364dnl# --------------------------------------------------------------------------
365
366dnl# find lastlog
367AC_CACHE_CHECK(where lastlog is located, path_lastlog,
368[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
369#include <stdlib.h>
370#include <sys/types.h>
371#ifdef HAVE_UTMPX_H
372#include <utmpx.h>
373#elif defined(HAVE_UTMP_H)
374#include <utmp.h>
375#endif
376#ifdef HAVE_LASTLOG_H
377#include <lastlog.h>
378#endif
379#include <errno.h>
380main()
381{
382 char **w, *lastloglist[] = { "/var/log/lastlog", NULL };
383 FILE *a, *f=fopen("conftestval", "w");
384 if (!f) exit(1);
385#ifdef LASTLOG_FILE
386 fprintf(f, "%s\n", LASTLOG_FILE);
387 exit(0);
388#endif
389#ifdef _PATH_LASTLOG
390 fprintf(f, "%s\n", _PATH_LASTLOG);
391 exit(0);
392#endif
393 for (w = lastloglist; *w; w++) {
394 if ((a = fopen(*w, "r")) != NULL || errno == EACCES) {
395 fprintf(f, "%s\n", *w);
396 exit(0);
397 }
398 }
399 exit(0);
400}]])],[path_lastlog=`cat conftestval`],[path_lastlog=],[dnl
401 AC_MSG_WARN(Define LASTLOG_FILE in config.h manually)])])
402if test x$path_lastlog != x; then
403 AC_DEFINE_UNQUOTED(LASTLOG_FILE, "$path_lastlog", Define location of lastlog)
404fi
405dnl# --------------------------------------------------------------------------
406
407dnl# find lastlogx
408AC_CACHE_CHECK(where lastlogx is located, path_lastlogx,
409[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
410#include <stdlib.h>
411#ifdef HAVE_UTMPX_H
412#include <utmpx.h>
413#endif
414#include <errno.h>
415main()
416{
417 char **w, *wtmplist[] = { "/var/log/lastlogx", "/var/adm/lastlogx", NULL };
418 FILE *a, *f=fopen("conftestval", "w");
419 if (!f) exit(1);
420#ifdef LASTLOGX_FILE
421 fprintf(f, "%s\n", LASTLOGX_FILE);
422 exit(0);
423#endif
424#ifdef _PATH_LASTLOGX
425 fprintf(f, "%s\n", _PATH_LASTLOGX);
426 exit(0);
427#endif
428 for (w = wtmplist; *w; w++) {
429 if ((a = fopen(*w, "r")) != NULL || errno == EACCES) {
430 fprintf(f, "%s\n", *w);
431 exit(0);
432 }
433 }
434 exit(0);
435}]])],[path_lastlogx=`cat conftestval`],[path_lastlogx=],[dnl
436 AC_MSG_WARN(Define LASTLOGX_FILE in config.h manually)])])
437if test x$path_lastlogx != x; then
438 AC_DEFINE_UNQUOTED(LASTLOGX_FILE, "$path_lastlogx", Define location of lastlogx)
439fi
440])
441
442AC_DEFUN([SCM_RIGHTS_CHECK],
443[
444AC_CACHE_CHECK(for unix-compliant filehandle passing ability, can_pass_fds, 176AC_CACHE_CHECK(for unix-compliant filehandle passing ability, pt_cv_can_pass_fds,
445[AC_TRY_LINK([ 177[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
446#include <cstddef> // broken bsds (is that redundant?) need this 178#include <stddef.h> // broken bsds (is that redundant?) need this
447#include <sys/types.h> 179#include <sys/types.h>
448#include <sys/socket.h> 180#include <sys/socket.h>
449#include <sys/uio.h> 181#include <sys/uio.h>
450],[ 182]], [[
451{ 183{
452 msghdr msg; 184 msghdr msg;
453 iovec iov; 185 iovec iov;
454 char buf [100]; 186 char buf [100];
455 char data = 0; 187 char data = 0;
… …
469 201
470 *(int *)CMSG_DATA (cmsg) = 5; 202 *(int *)CMSG_DATA (cmsg) = 5;
471 203
472 return sendmsg (3, &msg, 0); 204 return sendmsg (3, &msg, 0);
473} 205}
474],[can_pass_fds=yes],[can_pass_fds=no])]) 206]])],[pt_cv_can_pass_fds=yes],[pt_cv_can_pass_fds=no])])
475if test x$can_pass_fds = xyes; then 207if test x$pt_cv_can_pass_fds = xno; then
476 AC_DEFINE(HAVE_UNIX_FDPASS, 1, Define if sys/socket.h defines the necessary macros/functions for file handle passing)
477else
478 AC_MSG_ERROR([libptytty requires unix-compliant filehandle passing ability]) 208 AC_MSG_ERROR([libptytty requires unix-compliant filehandle passing ability])
479fi 209fi
480]) 210])
481 211
482AC_DEFUN([TTY_GROUP_CHECK], 212AC_DEFUN([TTY_GROUP_CHECK],
483[ 213[
484AC_CACHE_CHECK([for tty group], tty_group, 214AC_CACHE_CHECK([for tty group], pt_cv_tty_group,
485[AC_TRY_RUN([ 215[AC_RUN_IFELSE([AC_LANG_SOURCE([[
486#include <sys/types.h> 216#include <sys/types.h>
487#include <sys/stat.h> 217#include <sys/stat.h>
488#include <unistd.h> 218#include <unistd.h>
489#include <grp.h> 219#include <grp.h>
490 220
491main() 221int main()
492{ 222{
493 struct stat st; 223 struct stat st;
494 struct group *gr; 224 struct group *gr;
495 char *tty; 225 char *tty;
496 gr = getgrnam("tty"); 226 gr = getgrnam("tty");
… …
500 && (stat(tty, &st)) == 0 230 && (stat(tty, &st)) == 0
501 && st.st_gid == gr->gr_gid) 231 && st.st_gid == gr->gr_gid)
502 return 0; 232 return 0;
503 else 233 else
504 return 1; 234 return 1;
505}],
506[tty_group=yes],[tty_group=no],[tty_group=no])]) 235}]])],[pt_cv_tty_group=yes],[pt_cv_tty_group=no],[pt_cv_tty_group=no])])
507if test x$tty_group = xyes; then 236if test x$pt_cv_tty_group = xyes; then
508 AC_DEFINE(TTY_GID_SUPPORT, 1, "") 237 AC_DEFINE(TTY_GID_SUPPORT, 1, "")
509fi]) 238fi])
510 239

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