[ViewVC] Diff of: cvs/libptytty/ptytty.m4

Comparing libptytty/ptytty.m4 (file contents):
Revision 1.17 by root, Mon May 5 16:51:28 2008 UTC vs.
Revision 1.40 by sf-exg, Thu May 27 14:48:26 2021 UTC

…		…
1	dnl this file is part of libptytty, do not make local modifications	1	AC_DEFUN([PT_FIND_FILE],
2	dnl http://software.schmorp.de/pkg/libptytty	2	[AC_CACHE_CHECK(for a fallback location of $1, pt_cv_path_$1, [
		3	if test "$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
		10	fi])
		11	if test x$pt_cv_path_$1 != x; then
		12	AC_DEFINE_UNQUOTED($2, "$pt_cv_path_$1", Define to a fallback location of $1)
		13	elif test "$cross_compiling" = yes; then
		14	AC_MSG_WARN(Define $2 in config.h manually)
		15	fi])
3		16
4	AC_DEFUN([PTY_CHECK],	17	AC_DEFUN([PTY_CHECK],
5	[	18	[
6	AC_CHECK_HEADERS( \	19	AC_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 \
12	stropts.h \	24	stropts.h \
13	)	25	)
14		26
15	AC_CHECK_FUNCS( \	27	AC_CHECK_FUNCS( \
16	revoke \	28	revoke \
22	seteuid \	34	seteuid \
23	setreuid \	35	setreuid \
24	setresuid \	36	setresuid \
25	)	37	)
26		38
27	have_clone=no
28
29	AC_MSG_CHECKING(for /dev/ptym/clone)
30	if test -e /dev/ptym/clone; then
31	AC_MSG_RESULT(yes)
32	AC_DEFINE(HAVE_DEV_CLONE, 1, [Define to 1 if you have /dev/ptym/clone])
33	AC_DEFINE(CLONE_DEVICE, "/dev/ptym/clone", [clone device filename])
34	have_clone=yes
35	else
36	AC_MSG_RESULT(no)
37	fi
38
39	AC_MSG_CHECKING(for /dev/ptc)
40	if test -e /dev/ptc; then
41	AC_MSG_RESULT(yes)
42	AC_DEFINE(HAVE_DEV_PTC, 1, [Define to 1 if you have /dev/ptc])
43	AC_DEFINE(CLONE_DEVICE, "/dev/ptc", [clone device filename])
44	have_clone=yes
45	else
46	AC_MSG_RESULT(no)
47	fi
48
49	case $host in
50	--cygwin*)
51	have_clone=yes
52	AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename])
53	;;
54	*)
55	AC_MSG_CHECKING(for /dev/ptmx)
56	if test -e /dev/ptmx; then
57	AC_MSG_RESULT(yes)
58	AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if you have /dev/ptmx])
59	AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename])
60	have_clone=yes
61	else
62	AC_MSG_RESULT(no)
63	fi
64	;;
65	esac
66
67	if test x$ac_cv_func_getpt = xyes -o x$ac_cv_func_posix_openpt = xyes -o x$have_clone = xyes; then
68	AC_MSG_CHECKING(for UNIX98 ptys)	39	AC_MSG_CHECKING(for UNIX98 ptys)
69	AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>]],	40	AC_LINK_IFELSE(
		41	[AC_LANG_PROGRAM(
		42	[[#include <stdlib.h>]],
70	[[grantpt(0);unlockpt(0);ptsname(0);]])],	43	[[grantpt(0);unlockpt(0);ptsname(0);]])],
71	[unix98_pty=yes	44	[unix98_pty=yes
72	AC_DEFINE(UNIX98_PTY, 1, "")	45	AC_DEFINE(UNIX98_PTY, 1, "")
73	AC_MSG_RESULT(yes)],	46	AC_MSG_RESULT(yes)],
74	[AC_MSG_RESULT(no)])	47	[AC_MSG_RESULT(no)])
75	fi
76		48
77	if test -z "$unix98_pty"; then	49	if test -z "$unix98_pty"; then
78	AC_CHECK_FUNCS(openpty, [], [AC_CHECK_LIB(util, openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"])])	50	AC_SEARCH_LIBS(openpty, util, AC_DEFINE(HAVE_OPENPTY, 1, ""))
79	fi	51	fi
80	])	52	])
81		53
82	AC_DEFUN([UTMP_CHECK],	54	AC_DEFUN([UTMP_CHECK],
83	[	55	[
…		…
111	fi	83	fi
112	if test x$support_lastlog = xyes; then	84	if test x$support_lastlog = xyes; then
113	AC_DEFINE(LASTLOG_SUPPORT, 1, Define if you want to have lastlog support when utmp/utmpx is enabled)	85	AC_DEFINE(LASTLOG_SUPPORT, 1, Define if you want to have lastlog support when utmp/utmpx is enabled)
114	fi	86	fi
115		87
116	AC_CHECK_FUNCS( \	88	case $host in
117	updwtmp \	89	--solaris*)
118	updwtmpx \	90	AC_DEFINE(__EXTENSIONS__, 1, Enable declarations in utmp.h on Solaris when the XPG4v2 namespace is active)
119	updlastlogx \	91	;;
120	)	92	esac
121		93
		94	AC_CHECK_HEADERS(utmp.h, [
		95	AC_CHECK_TYPES([struct utmp], [], [], [
		96	#include <sys/types.h>
		97	#include <utmp.h>
		98	])
		99
		100	AC_CHECK_MEMBER([struct utmp.ut_host],
		101	[AC_DEFINE(HAVE_UTMP_HOST, 1, Define if struct utmp contains ut_host)], [], [
		102	#include <sys/types.h>
		103	#include <utmp.h>
		104	])
		105
		106	AC_CHECK_MEMBER([struct utmp.ut_pid],
		107	[AC_DEFINE(HAVE_UTMP_PID, 1, Define if struct utmp contains ut_pid)], [], [
		108	#include <sys/types.h>
		109	#include <utmp.h>
		110	])
		111
		112	AC_CHECK_FUNCS([updwtmp])
		113
122	AC_CHECK_HEADERS(lastlog.h)	114	AC_CHECK_HEADERS([lastlog.h])
123		115
124	dnl# --------------------------------------------------------------------------	116	AC_CHECK_TYPES([struct lastlog], [], [], [
125	dnl# DO ALL UTMP AND WTMP CHECKING	117	#include <sys/types.h>
126	dnl# --------------------------------------------------------------------------
127	dnl# check for host field in utmp structure
128
129	dnl# --------------------------------------------
130	AC_CHECK_HEADERS(utmp.h,
131	[AC_CACHE_CHECK([for struct utmp], struct_utmp,
132	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
133	#include <utmp.h>]], [[struct utmp ut;]])],[struct_utmp=yes],[struct_utmp=no])])
134	if test x$struct_utmp = xyes; then
135	AC_DEFINE(HAVE_STRUCT_UTMP, 1, Define if utmp.h has struct utmp)
136	fi
137	]
138
139	AC_CACHE_CHECK(for ut_host in utmp struct, struct_utmp_host,
140	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
141	#include <utmp.h>]], [[struct utmp ut; ut.ut_host;]])],[struct_utmp_host=yes],[struct_utmp_host=no])])
142	if test x$struct_utmp_host = xyes; then
143	AC_DEFINE(HAVE_UTMP_HOST, 1, Define if struct utmp contains ut_host)
144	fi
145
146	AC_CACHE_CHECK(for ut_pid in utmp struct, struct_utmp_pid,
147	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
148	#include <utmp.h>]], [[struct utmp ut; ut.ut_pid;]])],[struct_utmp_pid=yes],[struct_utmp_pid=no])])
149	if test x$struct_utmp_pid = xyes; then
150	AC_DEFINE(HAVE_UTMP_PID, 1, Define if struct utmp contains ut_pid)
151	fi
152	) dnl# AC_CHECK_HEADERS(utmp.h
153
154	dnl# --------------------------------------------
155
156	AC_CHECK_HEADERS(utmpx.h,
157	[AC_CACHE_CHECK([for struct utmpx], struct_utmpx,
158	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
159	#include <utmpx.h>]], [[struct utmpx ut;]])],[struct_utmpx=yes],[struct_utmpx=no])])
160	if test x$struct_utmpx = xyes; then
161	AC_DEFINE(HAVE_STRUCT_UTMPX, 1, Define if utmpx.h has struct utmpx)
162	fi
163	]
164
165	AC_CACHE_CHECK(for host in utmpx struct, struct_utmpx_host,
166	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
167	#include <utmpx.h>]], [[struct utmpx utx; utx.ut_host;]])],[struct_utmpx_host=yes],[struct_utmpx_host=no])])
168	if test x$struct_utmpx_host = xyes; then
169	AC_DEFINE(HAVE_UTMPX_HOST, 1, Define if struct utmpx contains ut_host)
170	fi
171
172	AC_CACHE_CHECK(for session in utmpx struct, struct_utmpx_session,
173	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
174	#include <utmpx.h>]], [[struct utmpx utx; utx.ut_session;]])],[struct_utmpx_session=yes],[struct_utmpx_session=no])])
175	if test x$struct_utmpx_session = xyes; then
176	AC_DEFINE(HAVE_UTMPX_SESSION, 1, Define if struct utmpx contains ut_session)
177	fi
178	) dnl# AC_CHECK_HEADERS(utmpx.h
179
180	dnl# --------------------------------------------------------------------------
181	dnl# check for struct lastlog
182	AC_CACHE_CHECK(for struct lastlog, struct_lastlog,
183	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
184	#include <utmp.h>	118	#include <utmp.h>
185	#ifdef HAVE_LASTLOG_H	119	#ifdef HAVE_LASTLOG_H
186	#include <lastlog.h>	120	#include <lastlog.h>
187	#endif	121	#endif
188	]], [[struct lastlog ll;]])],[struct_lastlog=yes],[struct_lastlog=no])])	122	])
189	if test x$struct_lastlog = xyes; then
190	AC_DEFINE(HAVE_STRUCT_LASTLOG, 1, Define if utmp.h or lastlog.h has struct lastlog)
191	fi
192		123
193	dnl# check for struct lastlogx	124	PT_FIND_FILE([utmp], [PT_UTMP_FILE],
194	AC_CACHE_CHECK(for struct lastlogx, struct_lastlogx,	125	["/var/run/utmp" "/var/adm/utmp" "/etc/utmp" "/usr/etc/utmp" "/usr/adm/utmp"])
195	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>	126
		127	PT_FIND_FILE([wtmp], [PT_WTMP_FILE],
		128	["/var/log/wtmp" "/var/adm/wtmp" "/etc/wtmp" "/usr/etc/wtmp" "/usr/adm/wtmp"])
		129
		130	PT_FIND_FILE([lastlog], [PT_LASTLOG_FILE],
		131	["/var/log/lastlog" "/var/adm/lastlog"])
		132
		133	])
		134
		135	AC_CHECK_HEADERS(utmpx.h, [
		136	AC_CHECK_TYPES([struct utmpx], [], [], [
		137	#include <sys/types.h>
196	#include <utmpx.h>	138	#include <utmpx.h>
197	#ifdef HAVE_LASTLOG_H	139	])
198	#include <lastlog.h>	140
		141	AC_CHECK_MEMBER([struct utmpx.ut_host],
		142	[AC_DEFINE(HAVE_UTMPX_HOST, 1, Define if struct utmpx contains ut_host)], [], [
		143	#include <sys/types.h>
		144	#include <utmpx.h>
		145	])
		146
		147	AC_CHECK_FUNCS([updwtmpx updlastlogx])
		148
		149	AC_CHECK_TYPES([struct lastlogx], [], [], [
		150	#include <sys/types.h>
		151	#include <utmpx.h>
		152	])
		153
		154	PT_FIND_FILE([wtmpx], [PT_WTMPX_FILE],
		155	["/var/log/wtmpx" "/var/adm/wtmpx"])
		156
		157	PT_FIND_FILE([lastlogx], [PT_LASTLOGX_FILE],
		158	["/var/log/lastlogx" "/var/adm/lastlogx"])
		159	])
		160
		161	])
		162
		163	AC_DEFUN([SCM_RIGHTS_CHECK],
		164	[
		165	AH_TEMPLATE([_XOPEN_SOURCE], [Enable declarations of msg_control and msg_controllen on Solaris])
		166	case $host in
		167	--solaris*)
		168	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
		169	#if __STDC_VERSION__ >= 199901L
		170	error
199	#endif	171	#endif
200	]], [[struct lastlogx ll;]])],[struct_lastlogx=yes],[struct_lastlogx=no])])	172	]])],[AC_DEFINE(_XOPEN_SOURCE, 500)],[AC_DEFINE(_XOPEN_SOURCE, 600)])
201	if test x$struct_lastlogx = xyes; then	173	AC_SEARCH_LIBS(sendmsg, socket)
202	AC_DEFINE(HAVE_STRUCT_LASTLOGX, 1, Define if utmpx.h or lastlog.h has struct lastlogx)	174	;;
203	fi	175	esac
204		176
205	dnl# --------------------------------------------------------------------------
206	dnl# FIND FILES
207	dnl# --------------------------------------------------------------------------
208
209	dnl# find utmp
210	AC_CACHE_CHECK(where utmp is located, path_utmp,
211	[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
212	#include <stdlib.h>
213	#include <sys/types.h>
214	#include <utmp.h>
215	#include <errno.h>
216	main()
217	{
218	char *u, utmplist[] = {
219	"/var/run/utmp", "/var/adm/utmp", "/etc/utmp", "/usr/etc/utmp", "/usr/adm/utmp", NULL };
220	FILE a, f=fopen("conftestval", "w");
221	if (!f) exit(1);
222	#ifdef UTMP_FILE
223	fprintf(f, "%s\n", UTMP_FILE);
224	exit(0);
225	#endif
226	#ifdef _PATH_UTMP
227	fprintf(f, "%s\n", _PATH_UTMP);
228	exit(0);
229	#endif
230	for (u = utmplist; *u; u++) {
231	if ((a = fopen(*u, "r")) != NULL \|\| errno == EACCES) {
232	fprintf(f, "%s\n", *u);
233	exit(0);
234	}
235	}
236	exit(0);
237	}]])],[path_utmp=`cat conftestval`],[path_utmp=],[dnl
238	AC_MSG_WARN(Define UTMP_FILE in config.h manually)])])
239	if test x$path_utmp != x; then
240	AC_DEFINE_UNQUOTED(UTMP_FILE, "$path_utmp", Define location of utmp)
241	fi
242
243	dnl# --------------------------------------------------------------------------
244
245	dnl# find utmpx - if a utmp file exists at the same location and is more than
246	dnl# a day newer, then dump the utmpx. People leave lots of junk around.
247	AC_CACHE_CHECK(where utmpx is located, path_utmpx,
248	[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
249	#include <stdlib.h>
250	#include <sys/types.h>
251	#include <utmpx.h>
252	#include <errno.h>
253	#include <sys/stat.h>
254	#ifdef HAVE_STRING_H
255	#include <string.h>
256	#endif
257	main()
258	{
259	char *u, p, *utmplist[] = {
260	#ifdef UTMPX_FILE
261	UTMPX_FILE,
262	#endif
263	#ifdef _PATH_UTMPX
264	_PATH_UTMPX,
265	#endif
266	"/var/adm/utmpx", "/etc/utmpx", NULL };
267	FILE a, f=fopen("conftestval", "w");
268	struct stat statu, statux;
269	if (!f) exit(1);
270	for (u = utmplist; *u; u++) {
271	if ((a = fopen(*u, "r")) != NULL \|\| errno == EACCES) {
272	if (stat(*u, &statux) < 0)
273	continue;
274	p = strdup(*u);
275	p[strlen(p) - 1] = '\0';
276	if (stat(p, &statu) >= 0
277	&& (statu.st_mtime - statux.st_mtime > 86400))
278	continue;
279	fprintf(f, "%s\n", *u);
280	exit(0);
281	}
282	}
283	exit(0);
284	}]])],[path_utmpx=`cat conftestval`],[path_utmpx=],[dnl
285	AC_MSG_WARN(Define UTMPX_FILE in config.h manually)])])
286	if test x$path_utmpx != x; then
287	AC_DEFINE_UNQUOTED(UTMPX_FILE, "$path_utmpx", Define location of utmpx)
288	fi
289
290	dnl# --------------------------------------------------------------------------
291
292	dnl# find wtmp
293	AC_CACHE_CHECK(where wtmp is located, path_wtmp,
294	[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
295	#include <stdlib.h>
296	#include <sys/types.h>
297	#ifdef HAVE_UTMP_H
298	#include <utmp.h>
299	#endif
300	#include <errno.h>
301	main()
302	{
303	char *w, wtmplist[] = {
304	"/var/log/wtmp", "/var/adm/wtmp", "/etc/wtmp", "/usr/etc/wtmp", "/usr/adm/wtmp", NULL };
305	FILE a, f=fopen("conftestval", "w");
306	if (!f) exit(1);
307	#ifdef WTMP_FILE
308	fprintf(f, "%s\n", WTMP_FILE);
309	exit(0);
310	#endif
311	#ifdef _PATH_WTMP
312	fprintf(f, "%s\n", _PATH_WTMP);
313	exit(0);
314	#endif
315	for (w = wtmplist; *w; w++) {
316	if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
317	fprintf(f, "%s\n", *w);
318	exit(0);
319	}
320	}
321	exit(0);
322	}]])],[path_wtmp=`cat conftestval`],[path_wtmp=],[dnl
323	AC_MSG_WARN(Define WTMP_FILE in config.h manually)])])
324	if test x$path_wtmp != x; then
325	AC_DEFINE_UNQUOTED(WTMP_FILE, "$path_wtmp", Define location of wtmp)
326	fi
327	dnl# --------------------------------------------------------------------------
328
329	dnl# find wtmpx
330	AC_CACHE_CHECK(where wtmpx is located, path_wtmpx,
331	[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
332	#include <stdlib.h>
333	#ifdef HAVE_UTMPX_H
334	#include <utmpx.h>
335	#endif
336	#include <errno.h>
337	main()
338	{
339	char *w, wtmplist[] = {
340	"/var/log/wtmpx", "/var/adm/wtmpx", NULL };
341	FILE a, f=fopen("conftestval", "w");
342	if (!f) exit(1);
343	#ifdef WTMPX_FILE
344	fprintf(f, "%s\n", WTMPX_FILE);
345	exit(0);
346	#endif
347	#ifdef _PATH_WTMPX
348	fprintf(f, "%s\n", _PATH_WTMPX);
349	exit(0);
350	#endif
351	for (w = wtmplist; *w; w++) {
352	if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
353	fprintf(f, "%s\n", *w);
354	exit(0);
355	}
356	}
357	exit(0);
358	}]])],[path_wtmpx=`cat conftestval`],[path_wtmpx=],[dnl
359	AC_MSG_WARN(Define WTMPX_FILE in config.h manually)])])
360	if test x$path_wtmpx != x; then
361	AC_DEFINE_UNQUOTED(WTMPX_FILE, "$path_wtmpx", Define location of wtmpx)
362	fi
363	dnl# --------------------------------------------------------------------------
364
365	dnl# find lastlog
366	AC_CACHE_CHECK(where lastlog is located, path_lastlog,
367	[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
368	#include <stdlib.h>
369	#include <sys/types.h>
370	#ifdef HAVE_UTMPX_H
371	#include <utmpx.h>
372	#elif defined(HAVE_UTMP_H)
373	#include <utmp.h>
374	#endif
375	#ifdef HAVE_LASTLOG_H
376	#include <lastlog.h>
377	#endif
378	#include <errno.h>
379	main()
380	{
381	char *w, lastloglist[] = { "/var/log/lastlog", NULL };
382	FILE a, f=fopen("conftestval", "w");
383	if (!f) exit(1);
384	#ifdef LASTLOG_FILE
385	fprintf(f, "%s\n", LASTLOG_FILE);
386	exit(0);
387	#endif
388	#ifdef _PATH_LASTLOG
389	fprintf(f, "%s\n", _PATH_LASTLOG);
390	exit(0);
391	#endif
392	for (w = lastloglist; *w; w++) {
393	if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
394	fprintf(f, "%s\n", *w);
395	exit(0);
396	}
397	}
398	exit(0);
399	}]])],[path_lastlog=`cat conftestval`],[path_lastlog=],[dnl
400	AC_MSG_WARN(Define LASTLOG_FILE in config.h manually)])])
401	if test x$path_lastlog != x; then
402	AC_DEFINE_UNQUOTED(LASTLOG_FILE, "$path_lastlog", Define location of lastlog)
403	fi
404	dnl# --------------------------------------------------------------------------
405
406	dnl# find lastlogx
407	AC_CACHE_CHECK(where lastlogx is located, path_lastlogx,
408	[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
409	#include <stdlib.h>
410	#ifdef HAVE_UTMPX_H
411	#include <utmpx.h>
412	#endif
413	#include <errno.h>
414	main()
415	{
416	char *w, wtmplist[] = { "/var/log/lastlogx", "/var/adm/lastlogx", NULL };
417	FILE a, f=fopen("conftestval", "w");
418	if (!f) exit(1);
419	#ifdef LASTLOGX_FILE
420	fprintf(f, "%s\n", LASTLOGX_FILE);
421	exit(0);
422	#endif
423	#ifdef _PATH_LASTLOGX
424	fprintf(f, "%s\n", _PATH_LASTLOGX);
425	exit(0);
426	#endif
427	for (w = wtmplist; *w; w++) {
428	if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
429	fprintf(f, "%s\n", *w);
430	exit(0);
431	}
432	}
433	exit(0);
434	}]])],[path_lastlogx=`cat conftestval`],[path_lastlogx=],[dnl
435	AC_MSG_WARN(Define LASTLOGX_FILE in config.h manually)])])
436	if test x$path_lastlogx != x; then
437	AC_DEFINE_UNQUOTED(LASTLOGX_FILE, "$path_lastlogx", Define location of lastlogx)
438	fi
439	])
440
441	AC_DEFUN([SCM_RIGHTS_CHECK],
442	[
443	AC_CACHE_CHECK(for unix-compliant filehandle passing ability, can_pass_fds,	177	AC_CACHE_CHECK(for unix-compliant filehandle passing ability, pt_cv_can_pass_fds,
444	[AC_LINK_IFELSE([AC_LANG_PROGRAM([[	178	[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
445	#include <cstddef> // broken bsds (is that redundant?) need this	179	#include <stddef.h> // broken bsds (is that redundant?) need this
446	#include <sys/types.h>	180	#include <sys/types.h>
447	#include <sys/socket.h>	181	#include <sys/socket.h>
448	#include <sys/uio.h>	182	#include <sys/uio.h>
449	]], [[	183	]], [[
450	{	184	{
…		…
468		202
469	(int )CMSG_DATA (cmsg) = 5;	203	(int )CMSG_DATA (cmsg) = 5;
470		204
471	return sendmsg (3, &msg, 0);	205	return sendmsg (3, &msg, 0);
472	}	206	}
473	]])],[can_pass_fds=yes],[can_pass_fds=no])])	207	]])],[pt_cv_can_pass_fds=yes],[pt_cv_can_pass_fds=no])])
474	if test x$can_pass_fds = xyes; then	208	if test x$pt_cv_can_pass_fds = xyes; then
475	AC_DEFINE(HAVE_UNIX_FDPASS, 1, Define if sys/socket.h defines the necessary macros/functions for file handle passing)	209	AC_DEFINE(HAVE_UNIX_FDPASS, 1, Define if sys/socket.h defines the necessary macros/functions for file handle passing)
476	else	210	else
477	AC_MSG_ERROR([libptytty requires unix-compliant filehandle passing ability])	211	AC_MSG_ERROR([libptytty requires unix-compliant filehandle passing ability])
478	fi	212	fi
479	])	213	])
480		214
481	AC_DEFUN([TTY_GROUP_CHECK],	215	AC_DEFUN([TTY_GROUP_CHECK],
482	[	216	[
483	AC_CACHE_CHECK([for tty group], tty_group,	217	AC_CACHE_CHECK([for tty group], pt_cv_tty_group,
484	[AC_RUN_IFELSE([AC_LANG_SOURCE([[	218	[AC_RUN_IFELSE([AC_LANG_SOURCE([[
485	#include <sys/types.h>	219	#include <sys/types.h>
486	#include <sys/stat.h>	220	#include <sys/stat.h>
487	#include <unistd.h>	221	#include <unistd.h>
488	#include <grp.h>	222	#include <grp.h>
489		223
490	main()	224	int main()
491	{	225	{
492	struct stat st;	226	struct stat st;
493	struct group *gr;	227	struct group *gr;
494	char *tty;	228	char *tty;
495	gr = getgrnam("tty");	229	gr = getgrnam("tty");
…		…
499	&& (stat(tty, &st)) == 0	233	&& (stat(tty, &st)) == 0
500	&& st.st_gid == gr->gr_gid)	234	&& st.st_gid == gr->gr_gid)
501	return 0;	235	return 0;
502	else	236	else
503	return 1;	237	return 1;
504	}]])],[tty_group=yes],[tty_group=no],[tty_group=no])])	238	}]])],[pt_cv_tty_group=yes],[pt_cv_tty_group=no],[pt_cv_tty_group=no])])
505	if test x$tty_group = xyes; then	239	if test x$pt_cv_tty_group = xyes; then
506	AC_DEFINE(TTY_GID_SUPPORT, 1, "")	240	AC_DEFINE(TTY_GID_SUPPORT, 1, "")
507	fi])	241	fi])
508		242

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Comparing libptytty/ptytty.m4 (file contents): Revision 1.17 by root, Mon May 5 16:51:28 2008 UTC vs. Revision 1.40 by sf-exg, Thu May 27 14:48:26 2021 UTC

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Comparing libptytty/ptytty.m4 (file contents):
Revision 1.17 by root, Mon May 5 16:51:28 2008 UTC vs.
Revision 1.40 by sf-exg, Thu May 27 14:48:26 2021 UTC