File: configure.in

package info (click to toggle)
ircd-ircu 2.10.12.10.dfsg1-3
  • links: PTS
  • area: main
  • in suites: bullseye, buster, sid
  • size: 4,788 kB
  • ctags: 4,787
  • sloc: ansic: 37,491; sh: 3,331; makefile: 1,616; perl: 1,180; yacc: 987; cpp: 429; lex: 199; python: 50
file content (747 lines) | stat: -rw-r--r-- 24,104 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
dnl Prefered emacs editing mode: -*- shell-script -*-
dnl
dnl Process this file with autoconf to produce a configure script.
dnl
dnl Copyright (c) 1997, by Carlo Wood <carlo@runaway.xs4all.nl>
dnl Copyright (C) 2001  Kevin L. Mitchell <klmitch@mit.edu>
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 1, or (at your option)
dnl any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
dnl
dnl $Id: configure.in,v 1.34.2.1 2005/12/14 03:01:38 entrope Exp $

dnl Make sure we are in the correct directory (someone could have run
dnl 'configure' with a wrong '--srcdir').
AC_INIT(ircd/ircd.c)

dnl Set the default prefix
AC_PREFIX_DEFAULT([$HOME])
AC_MSG_CHECKING([for installation prefix])
AC_CACHE_VAL(unet_cv_prefix, [unet_cv_prefix=$HOME])
if test x"$prefix" != xNONE; then
    unet_cv_prefix=$prefix
fi
AC_MSG_RESULT([$unet_cv_prefix])
dnl HACK WARNING: We are referencing an autoconf internal variable.  This is
dnl the only way to force the prefix to be retrieved from the config.cache
dnl file!
ac_default_prefix=$unet_cv_prefix

dnl Define the input and output configuration header file.
AC_CONFIG_HEADER([config.h])

dnl Demand at least version 2.59 of autoconf (for AS_HELP_STRING)
AC_PREREQ(2.59)

dnl Find out what type of system we are
AC_CANONICAL_HOST

dnl This should be done early.
AC_PROG_CC

dnl ANSIfy the C compiler whenever possible.
AM_PROG_CC_STDC

dnl Checks for libraries.

dnl Locate the library containing crypt
AC_SEARCH_LIBS(crypt, descrypt crypt, ,
[AC_MSG_ERROR([Unable to find library containing crypt()])])

dnl Do all the checks necessary to figure out -lnsl / -lsocket stuff
AC_LIBRARY_NET

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(crypt.h poll.h inttypes.h stdint.h sys/devpoll.h sys/epoll.h sys/event.h sys/param.h sys/resource.h sys/socket.h)

dnl Checks for typedefs, structures, and compiler characteristics
dnl AC_C_CONST
AC_C_BIGENDIAN
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_STRUCT_TM
AC_TYPE_UID_T
unet_CHECK_TYPE_SIZES
AC_CHECK_TYPE(struct sockaddr_in6, [unet_have_sockaddr_in6="yes"], [unet_have_sockaddr_in6="no"], [#include <sys/types.h>
#include <netinet/in.h>])

dnl Check for socklen_t.  In traditional BSD this is an int, but some
dnl OSes use a different type.  Test until we find something that will
dnl work properly.  Test borrowed from a patch submitted for Python.
AC_CHECK_TYPE([socklen_t], ,[
  AC_MSG_CHECKING([for socklen_t equivalent])
  AC_CACHE_VAL([curl_cv_socklen_t_equiv],
  [
dnl Systems have either "struct sockaddr*" or "void*" as second
dnl arg to getpeername.
    curl_cv_socklen_t_equiv=
    for arg2 in "struct sockaddr" void ; do
      for t in int size_t unsigned long "unsigned long" ; do
        AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/socket.h>
int getpeername (int $arg2 *, $t *);],[$t len;
  getpeername(0, 0, &len);], [curl_cv_socklen_t_equiv="$t"
  break])
      done
    done
  ])
  AC_MSG_RESULT($curl_cv_socklen_t_equiv)
  AC_DEFINE_UNQUOTED(socklen_t, $curl_cv_socklen_t_equiv,
      [type to use in place of socklen_t if not defined])],
  [#include <sys/types.h>
#include<sys/socket.h>])

dnl Checks for library functions.
AC_CHECK_FUNCS([kqueue setrlimit getrusage times])

dnl Do we have restarting syscalls ?
AC_SYS_RESTARTABLE_SYSCALLS

dnl Check for required features for admins?
AC_MSG_CHECKING([for donuts])
AC_MSG_RESULT([yes])

dnl Test for programs
AC_PROG_AWK
AC_PROG_MAKE_SET
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PATH_PROGS(RMPROG, rm, /bin/rm)
AC_PATH_PROGS(SHPROG, sh, /bin/sh)

dnl (F)LEX - needed for the new conf file parser
AC_PROG_LEX
dnl The autoconf docs say $LEX defaults to 'lex'.  They lie.
if test "$LEX" = ":" ; then
  AC_MSG_ERROR([Cannot find flex.])
elif echo "" | $LEX -V -v --version > /dev/null 2>&1 ; then
  :
else
  AC_MSG_ERROR([Cannot use $LEX as flex.])
fi

if test -z "$LEXLIB" ; then
  AC_MSG_FAILURE([Cannot find a library with yywrap() in, but flex was found.
  It's possible the compiler you're using ($CC) is incompatible with the
  installed library.])
fi

LIBS="$LEXLIB $LIBS"

dnl YACC - ditto
AC_PROG_YACC
dnl The autoconf docs say $YACC defaults to 'yacc'.  This seems to be true,
dnl but judging from AC_PROG_LEX, it may not stay true.
if test "$YACC" = ":" ; then
  AC_MSG_ERROR([Cannot find yacc.])
elif echo "" | $YACC -V -v --version > /dev/null 2>&1 ; then
  :
else
dnl byacc does not seem to have any way to test for workingness, so only warn.
  AC_MSG_WARN([$YACC may not work as yacc.])
fi

unet_NONBLOCKING
unet_SIGNALS

dnl Check OS for os_dep files.
AC_MSG_CHECKING(for OS-dependent information)
case "$host" in
    *-linux*)
	AC_MSG_RESULT([Linux ($host) found.])
	unet_poll_syscall=yes
	;;

    *-solaris*)
	AC_MSG_RESULT([Solaris ($host) found.])
	if test x"$ac_cv_header_poll_h" = xyes; then
	    unet_poll_syscall=yes
	else
	    unet_poll_syscall=no
	fi
        AC_DEFINE([IRCU_SOLARIS], 1, [Define if building on Solaris])
	;;

    *-sunos*)
	AC_MSG_RESULT([Solaris ($host) found.])
	unet_poll_syscall=no
	;;

    *-openbsd*)
	AC_MSG_RESULT([OpenBSD ($host) found.])
	if test x"$ac_cv_header_poll_h" = xyes; then
	    unet_poll_syscall=yes
	else
	    unet_poll_syscall=no
	fi
	;;

    *-*bsd*)
	AC_MSG_RESULT([Generic BSD ($host) found.])
	if test x"$ac_cv_header_poll_h" = xyes; then
	    unet_poll_syscall=yes
	else
	    unet_poll_syscall=no
	fi
	;;

    *-darwin*)
	AC_MSG_RESULT([Darwin (Mac OS X) ($host) found.])
	unet_poll_syscall=no
	;;

    *)
	AC_MSG_RESULT([Unknown system type $host found.])
	AC_MSG_WARN([Unknown OS type; using generic routines.])
	unet_poll_syscall=no
	;;
esac

dnl Check user configuration options
dnl Start with --enable-poll
AC_MSG_CHECKING([whether to enable use of poll()])
AC_ARG_ENABLE([poll],
[  --enable-poll           Force poll to be used regardless of whether or not
                          it is a system call],
[unet_cv_enable_poll=$enable_poll],
[AC_CACHE_VAL(unet_cv_enable_poll,
[unet_cv_enable_poll=$unet_poll_syscall])])

# Force poll to be disabled if there is no poll.h
if test x"$ac_cv_header_poll_h" != xyes; then
    unet_cv_enable_poll=no
fi

AC_MSG_RESULT([$unet_cv_enable_poll])

if test x"$unet_cv_enable_poll" = xyes; then
    AC_DEFINE([USE_POLL], 1, [Specify whether or not to use poll()])
    ENGINE_C=engine_poll.c
else
    ENGINE_C=engine_select.c
fi
AC_SUBST(ENGINE_C)

dnl Now look for --enable-debug
AC_MSG_CHECKING([whether to enable debug mode])
AC_ARG_ENABLE([debug],
[  --enable-debug          Turn on debugging mode],
[unet_cv_enable_debug=$enable_debug],
[AC_CACHE_VAL(unet_cv_enable_debug,
[unet_cv_enable_debug=no])])
AC_MSG_RESULT([$unet_cv_enable_debug])

if test x"$unet_cv_enable_debug" = xyes; then
    AC_DEFINE([DEBUGMODE], 1, [Enable debugging code])
fi

dnl Now look for --enable-leak-detect
AC_MSG_CHECKING([whether to enable leak detection])
AC_ARG_WITH([leak-detect],
[  --with-leak-detect          Turn on the leak detector(requires patched boehm)],
[unet_cv_with_leak_detect=$with_leak_detect],
[AC_CACHE_VAL(unet_cv_with_leak_detect,
[unet_cv_with_leak_detect=no])])
AC_MSG_RESULT([$unet_cv_enable_leak_detect])

if test x"$unet_cv_with_leak_detect" != xno; then
    LIBS="-lgc $LIBS"
    CFLAGS="-DMDEBUG $CFLAGS"
    if test x"$unet_cv_with_leak_detect" != xyes; then
       LIBS="-L$unet_cv_with_leak_detect $LIBS"
    fi
fi

AC_ARG_WITH([ipv6],
    AS_HELP_STRING([--without-ipv6], [disable IPv6 support (default is autodetect)]),
    [ac_cv_use_ipv6=$withval],
    [ac_cv_use_ipv6=$unet_have_sockaddr_in6])
AC_CACHE_CHECK([whether to use IPv6], [ac_cv_use_ipv6], [ac_cv_use_ipv6=no])
if test x"$ac_cv_use_ipv6" != "xno" ; then
    AC_DEFINE([IPV6], 1, [Enable IPv6 support])
fi

dnl And now for --disable-asserts
AC_MSG_CHECKING([whether to enable asserts])
AC_ARG_ENABLE([asserts],
[  --disable-asserts       Disable assertion checking],
[unet_cv_enable_asserts=$enable_asserts],
[AC_CACHE_VAL(unet_cv_enable_asserts,
[unet_cv_enable_asserts=yes])])
AC_MSG_RESULT([$unet_cv_enable_asserts])

if test x"$unet_cv_enable_asserts" = xno; then
    AC_DEFINE([NDEBUG], 1, [Disable assertions])
fi

dnl Now check for --enable-profile
AC_MSG_CHECKING([whether to enable profiling support (gprof)])
AC_ARG_ENABLE([profile],
[  --enable-profile        Enable profiling support (add -pg to CFLAGS and LDFLAGS)],
[unet_cv_enable_profile=$enable_profile],
[AC_CACHE_VAL(unet_cv_enable_profile,
[unet_cv_enable_profile=no])])
AC_MSG_RESULT([$unet_cv_enable_profile])

if test x"$unet_cv_enable_profile" = xyes; then
    CFLAGS="-pg $CFLAGS"
    LDFLAGS="-pg $LDFLAGS"
fi

dnl Now check for --enable-pedantic
AC_MSG_CHECKING([whether to enable pedantic compiler warnings])
AC_ARG_ENABLE([pedantic],
[  --enable-pedantic       Enable pedantic warnings (add -pedantic to CFLAGS)],
[unet_cv_enable_pedantic=$enable_pedantic],
[AC_CACHE_VAL(unet_cv_enable_pedantic,
[unet_cv_enable_pedantic=no])])
AC_MSG_RESULT([$unet_cv_enable_pedantic])

if test x"$unet_cv_enable_pedantic" = xyes; then
    CFLAGS="-pedantic $CFLAGS"
fi

dnl Now check for --enable-warnings
AC_MSG_CHECKING([whether to enable compiler warnings])
AC_ARG_ENABLE([warnings],
[  --enable-warnings       Enable warnings (add -Wall to CFLAGS)],
[unet_cv_enable_warnings=$enable_warnings],
[AC_CACHE_VAL(unet_cv_enable_warnings,
[unet_cv_enable_warnings=no])])
AC_MSG_RESULT([$unet_cv_enable_warnings])

if test x"$unet_cv_enable_warnings" = xyes; then
    CFLAGS="-Wall $CFLAGS"
fi

dnl --disable-inlines check...
AC_MSG_CHECKING([whether to enable inlining for a few critical functions])
AC_ARG_ENABLE([inlines],
[  --disable-inlines       Disable inlining for a few critical functions],
[unet_cv_enable_inlines=$enable_inlines],
[AC_CACHE_VAL(unet_cv_enable_inlines,
[unet_cv_enable_inlines=yes])])
AC_MSG_RESULT([$unet_cv_enable_inlines])

if test x"$unet_cv_enable_inlines" = xyes; then
    AC_DEFINE([FORCEINLINE], 1, [Force inlining for a few critical functions])
fi

dnl --disable-devpoll check...
AC_MSG_CHECKING([whether to enable the /dev/poll event engine])
AC_ARG_ENABLE([devpoll],
[  --disable-devpoll       Disable the /dev/poll-based engine],
[unet_cv_enable_devpoll=$enable_devpoll],
[AC_CACHE_VAL(unet_cv_enable_devpoll,
[unet_cv_enable_devpoll=yes])])

if test x"$ac_cv_header_sys_devpoll_h" = xno; then
    unet_cv_enable_devpoll=no
fi

AC_MSG_RESULT([$unet_cv_enable_devpoll])

if test x"$unet_cv_enable_devpoll" != xno; then
    AC_DEFINE([USE_DEVPOLL], 1, [Define to enable the /dev/poll engine])
    ENGINE_C="engine_devpoll.c $ENGINE_C"
fi

dnl --disable-kqueue check...
AC_MSG_CHECKING([whether to enable the kqueue event engine])
AC_ARG_ENABLE([kqueue],
[  --disable-kqueue        Disable the kqueue-based engine],
[unet_cv_enable_kqueue=$enable_kqueue],
[AC_CACHE_VAL(unet_cv_enable_kqueue,
[unet_cv_enable_kqueue=yes])])

if test x"$ac_cv_header_sys_event_h" = xno -o x"$ac_cv_func_kqueue" = xno; then
    unet_cv_enable_kqueue=no
fi

AC_MSG_RESULT([$unet_cv_enable_kqueue])

if test x"$unet_cv_enable_kqueue" != xno; then
    AC_DEFINE([USE_KQUEUE], 1, [Define to enable the kqueue engine])
    ENGINE_C="engine_kqueue.c $ENGINE_C"
fi

dnl --disable-epoll check
AC_MSG_CHECKING([whether to enable the epoll event engine])
AC_ARG_ENABLE([epoll],
[  --disable-epoll         Disable the epoll-based engine],
[unet_cv_enable_epoll=$enable_epoll],
[AC_CACHE_VAL(unet_cv_enable_epoll,
[unet_cv_enable_epoll=yes])])

if test x"$ac_cv_header_sys_epoll_h" = xno -o x"$ac_cv_func_epoll" = xno; then
    unet_cv_enable_epoll=no
fi

AC_MSG_RESULT([$unet_cv_enable_epoll])

dnl If we have the header and user has not refused epoll, we still need
dnl to check whether the functions are properly defined.
if test x"$unet_cv_enable_epoll" != xno; then
    AC_MSG_CHECKING([whether epoll functions are properly defined])
    AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <sys/epoll.h>], [epoll_create(10);])],
        [AC_MSG_RESULT([yes])],
        [AC_MSG_RESULT([no])
         AC_DEFINE([EPOLL_NEED_BODY], 1, [Define to implement epoll system calls])])
    AC_DEFINE([USE_EPOLL], 1, [Define to enable the epoll engine])
    ENGINE_C="engine_epoll.c $ENGINE_C"
fi

dnl How to copy one va_list to another?
AC_CACHE_CHECK([for va_copy], unet_cv_c_va_copy, [AC_LINK_IFELSE(
  [AC_LANG_PROGRAM([#include <stdarg.h>], [va_list ap1, ap2; va_copy(ap1, ap2);])],
  [unet_cv_c_va_copy="yes"],
  [unet_cv_c_va_copy="no"]
)])
if test "$unet_cv_c_va_copy" = "yes" ; then
  AC_DEFINE(HAVE_VA_COPY, 1, [Define if we have va_copy])
fi

AC_CACHE_CHECK([for __va_copy], unet_cv_c___va_copy, [AC_LINK_IFELSE(
  [AC_LANG_PROGRAM([#include <stdarg.h>], [va_list ap1, ap2; __va_copy(ap1, ap2);])],
  [unet_cv_c___va_copy="yes"],
  [unet_cv_c___va_copy="no"]
)])
if test "$unet_cv_c___va_copy" = "yes" ; then
  AC_DEFINE(HAVE___VA_COPY, 1, [Define if we have __va_copy])
fi

dnl --with-symlink lets us set the name of the symlink; defaults to "ircd"
AC_MSG_CHECKING([what name to give the symlink])
AC_ARG_WITH([symlink],
[  --with-symlink=name     Name to give the symlink; if name is "no," no
                          symlink will be created.],
[unet_cv_with_symlink=$with_symlink],
[AC_CACHE_VAL(unet_cv_with_symlink,
[unet_cv_with_symlink="ircd"])])

if test x"$unet_cv_with_symlink" = xyes; then
    unet_cv_with_symlink="ircd"
fi

AC_MSG_RESULT([$unet_cv_with_symlink])

if test x"$unet_cv_with_symlink" = xno; then
    INSTALL_RULE=install-no-symlink
    SYMLINK=
else
    INSTALL_RULE=install-with-symlink
    SYMLINK=$unet_cv_with_symlink
fi
AC_SUBST(INSTALL_RULE)
AC_SUBST(SYMLINK)

dnl --with-mode lets us set the permissions on the binary
AC_MSG_CHECKING([what permissions to set on the installed binary])
AC_ARG_WITH([mode],
[  --with-mode=mode        Permissions (in octal) to give the binary],
[unet_cv_with_mode=$with_mode],
[AC_CACHE_VAL(unet_cv_with_mode,
[unet_cv_with_mode=711])])

if test x"$unet_cv_with_mode" = xyes -o x"$unet_cv_with_mode" = xno; then
    unet_cv_with_mode=711
fi

AC_MSG_RESULT([$unet_cv_with_mode])

IRCDMODE=$unet_cv_with_mode
AC_SUBST(IRCDMODE)

dnl --with-owner lets us set the owner of the binary
changequote(,)dnl
unet_uid=`id | sed -e 's/.*uid=[0-9]*(//' -e 's/).*//' 2> /dev/null`
changequote([,])dnl
AC_MSG_CHECKING([which user should own the installed binary])
AC_ARG_WITH([owner],
[  --with-owner=owner      Specify owner of the installed binary],
[unet_cv_with_owner=$with_owner],
[AC_CACHE_VAL(unet_cv_with_owner,
[unet_cv_with_owner=$unet_uid])])

if test x"$unet_cv_with_owner" = xyes -o x"$unet_cv_with_owner" = xno; then
    unet_cv_with_owner=$unet_uid
fi

AC_MSG_RESULT([$unet_cv_with_owner])

IRCDOWN=$unet_cv_with_owner
AC_SUBST(IRCDOWN)

dnl --with-group lets us set the group owner of the binary
changequote(,)dnl
unet_gid=`id | sed -e 's/.*gid=[0-9]*(//' -e 's/).*//' 2> /dev/null`
changequote([,])dnl
AC_MSG_CHECKING([which group should own the installed binary])
AC_ARG_WITH([group],
[  --with-group=group      Specify group owner of the installed binary],
[unet_cv_with_group=$with_group],
[AC_CACHE_VAL(unet_cv_with_group,
[unet_cv_with_group=$unet_gid])])

if test x"$unet_cv_with_group" = xyes -o x"$unet_cv_with_group" = xno; then
    unet_cv_with_group=$unet_gid
fi

AC_MSG_RESULT([$unet_cv_with_group])

IRCDGRP=$unet_cv_with_group
AC_SUBST(IRCDGRP)

dnl --with-domain lets us set the domain name for some statistics-gathering
unet_domain=
if test -f /etc/resolv.conf; then
    unet_domain=`awk '/^domain/ { print $2; exit }' /etc/resolv.conf`
    if test x"$unet_domain" = x; then
	unet_domain=`awk '/^search/ { print $2; exit }' /etc/resolv.conf`
    fi
fi
AC_MSG_CHECKING([for site domain name])
AC_ARG_WITH([domain],
[  --with-domain=domain    Domain name to use in local statistics gathering],
[unet_cv_with_domain=$with_domain],
[AC_CACHE_VAL(unet_cv_with_domain,
[unet_cv_with_domain=$unet_domain])])

if test x"$unet_cv_with_domain" = xyes -o x"$unet_cv_with_domain" = xno; then
    unet_cv_with_domain=$unet_domain
fi
if test x"$unet_cv_with_domain" = xno; then
    AC_MSG_ERROR([Unable to determine server DNS domain; use --with-domain to set it])
fi

AC_MSG_RESULT([$unet_cv_with_domain])

AC_DEFINE_UNQUOTED(DOMAINNAME, "*$unet_cv_with_domain",
[Domain name to be used for some statistics gathering])

dnl --with-chroot lets us define a directory that we are going to be using
dnl as the root of our filesystem
AC_MSG_CHECKING([if chroot operation is desired])
AC_ARG_WITH([chroot],
[  --with-chroot=dir       Specify that the server will be operated under
                          a different root directory given by dir.  See
                          doc/readme.chroot for more information.],
[unet_cv_with_chroot=$with_chroot],
[AC_CACHE_VAL(unet_cv_with_chroot,
[unet_cv_with_chroot=no])])

if test x"$unet_cv_with_chroot" = xyes; then
    AC_MSG_ERROR([--with-chroot given with no directory.  See doc/readme.chroot.])
fi

# Ensure there are no trailing /'s to mess us up
unet_cv_with_chroot=`echo "$unet_cv_with_chroot" | sed 's%/*$%%'`

AC_MSG_RESULT([$unet_cv_with_chroot])

dnl Determine some default directory names
dnl
dnl HACK WARNING: We are referencing an autoconf internal variable.  This is
dnl the only way to figure out what value $prefix will have when we go to do
dnl the install--and the only way we can stick that value in our definitions
dnl of SPATH, etc.
# Deal with the annoying value "NONE" here
unet_save_prefix=$prefix
if test x"$prefix" = xNONE; then
    prefix=$ac_default_prefix
else
    prefix=$prefix
fi

unet_save_exec_prefix=$exec_prefix
if test x"$exec_prefix" = xNONE; then
    exec_prefix=$prefix
else
    exec_prefix=$exec_prefix
fi

# Obtain the actual interesting directories
unet_bindir=`eval echo "$bindir"`
unet_libdir=`eval echo "$libdir"`

# Restore the original settings of $prefix and $exec_prefix
prefix=$unet_save_prefix
exec_prefix=$unet_save_exec_prefix

dnl Now compute the name of the binary and verify that it will work under
dnl chroot operation
AC_MSG_CHECKING([where the binary will be for /restart])
if test x"$unet_cv_with_symlink" = xno; then
    unet_spath="$unet_bindir/ircd"
else
    unet_spath="$unet_bindir/$unet_cv_with_symlink"
fi
AC_MSG_RESULT([$unet_spath])

if test x"$unet_cv_with_chroot" != xno; then
    if echo "$unet_spath" | grep "^$unet_cv_with_chroot" > /dev/null 2>&1; then
	unet_spath=`echo "$unet_spath" | sed "s%^$unet_cv_with_chroot%%"`
    else
	AC_MSG_WARN([Binary $unet_spath not relative to root directory $unet_cv_with_chroot; restarts will probably fail])
    fi
fi

AC_DEFINE_UNQUOTED(SPATH, "$unet_spath", [Path to executable for restarts])

dnl --with-dpath sets the all-important DPATH
AC_MSG_CHECKING([what the data directory should be])
AC_ARG_WITH([dpath],
[  --with-dpath=dir        Directory for all server data files],
[unet_cv_with_dpath=$with_dpath],
[AC_CACHE_VAL(unet_cv_with_dpath,
[unet_cv_with_dpath=$unet_libdir])])

if test x"$unet_cv_with_dpath" = xyes -o x"$unet_cv_with_dpath" = xno; then
    unet_cv_with_dpath=$unet_libdir
fi

# Ensure there are no trailing /'s to mess us up
unet_cv_with_dpath=`echo "$unet_cv_with_dpath" | sed 's%/*$%%'`

AC_MSG_RESULT([$unet_cv_with_dpath])

if test x"$unet_cv_with_chroot" != xno; then
    if echo "$unet_cv_with_dpath" | grep "^$unet_cv_with_chroot" > /dev/null 2>&1; then
	unet_dpath=`echo "$unet_cv_with_dpath" | sed "s%^$unet_cv_with_chroot%%"`
    else
	AC_MSG_ERROR([Data directory $unet_cv_with_dpath not relative to root directory $unet_cv_with_chroot])
    fi
else
    unet_dpath=$unet_cv_with_dpath
fi

AC_DEFINE_UNQUOTED(DPATH, "$unet_dpath", [Path to data directory])

DPATH=$unet_cv_with_dpath
AC_SUBST(DPATH)

dnl --with-cpath allows us to specify the configuration file
AC_MSG_CHECKING([where the default configuration file resides])
AC_ARG_WITH([cpath],
[  --with-cpath=file       Set server configuration file],
[unet_cv_with_cpath=$with_cpath],
[AC_CACHE_VAL(unet_cv_with_cpath,
[unet_cv_with_cpath="ircd.conf"])])

if test x"$unet_cv_with_cpath" = xyes -o x"$unet_cv_with_cpath" = xno; then
    unet_cv_with_cpath="ircd.conf"
fi

AC_MSG_RESULT([$unet_cv_with_cpath])

if echo "$unet_cv_with_cpath" | grep '^/' > /dev/null 2>&1; then
    # Absolute path; check against chroot stuff
    if test x"$unet_cv_with_chroot" != xno; then
	if echo "$unet_cv_with_cpath" | grep "^$unet_cv_with_chroot" > /dev/null 2>&1; then
	    unet_cpath=`echo "$unet_cv_with_cpath" | sed "s%^$unet_cv_with_chroot%%"`
	else
	    AC_MSG_ERROR([Configuration file $unet_cv_with_cpath not relative to root directory $unet_cv_with_chroot])
	fi
    else
	unet_cpath=$unet_cv_with_cpath
    fi
else
    unet_cpath=$unet_cv_with_cpath
fi

AC_DEFINE_UNQUOTED(CPATH, "$unet_cpath", [Configuration file name])

dnl --with-lpath allows us to specify the default debugging log file
AC_MSG_CHECKING([where to put the debugging log if debugging enabled])
AC_ARG_WITH([lpath],
[  --with-lpath=file       Set the debugging log file],
[unet_cv_with_lpath=$with_lpath],
[AC_CACHE_VAL(unet_cv_with_lpath,
[unet_cv_with_lpath="ircd.log"])])

if test x"$unet_cv_with_lpath" = xyes -o x"$unet_cv_with_lpath" = xno; then
    unet_cv_with_lpath="ircd.log"
fi

AC_MSG_RESULT([$unet_cv_with_lpath])

if echo "$unet_cv_with_lpath" | grep '^/' > /dev/null 2>&1; then
    # Absolute path; check against chroot stuff
    if test x"$unet_cv_with_chroot" != xno; then
	if echo "$unet_cv_with_lpath" | grep "^$unet_cv_with_chroot" > /dev/null 2>&1; then
	    unet_lpath=`echo "$unet_cv_with_lpath" | sed "s%^$unet_cv_with_chroot%%"`
	else
	    AC_MSG_WARN([Log file $unet_cv_with_lpath not relative to root directory $unet_cv_with_chroot; using default ircd.log instead])
	    unet_cv_with_lpath="ircd.log"
	    unet_lpath="ircd.log"
	fi
    else
	unet_lpath=$unet_cv_with_lpath
    fi
else
    unet_lpath=$unet_cv_with_lpath
fi

AC_DEFINE_UNQUOTED(LPATH, "$unet_lpath", [Path to debugging log file])

dnl --with-maxcon allows us to set the maximum connections
unet_maxcon=`ulimit -Hn`
if test x"$unet_maxcon" = xunlimited; then
    unet_maxcon=`ulimit -Sn`
fi
unet_maxcon=`expr $unet_maxcon - 4`
AC_MSG_CHECKING([max connections])
AC_ARG_WITH([maxcon],
[  --with-maxcon=maxcon    Maximum number of connections server will accept],
[unet_cv_with_maxcon=$with_maxcon],
[AC_CACHE_VAL(unet_cv_with_maxcon,
[unet_cv_with_maxcon=$unet_maxcon])])

if test x"$unet_cv_with_maxcon" = xyes -o x"$unet_cv_with_maxcon" = xno; then
    unet_cv_with_maxcon=$unet_maxcon
fi

AC_MSG_RESULT([$unet_cv_with_maxcon])

AC_DEFINE_UNQUOTED(MAXCONNECTIONS, $unet_cv_with_maxcon,
[Maximum number of network connections])

dnl Finally really generate all output files:
AC_OUTPUT(Makefile ircd/Makefile ircd/test/Makefile doc/Makefile, [echo timestamp > stamp-h])

dnl Report configuration
AC_OUTPUT_COMMANDS([echo "
ircu is now hopefully configured for your system.

  Host system:         $host_os
  Prefix:              $prefix
  Asserts:             $unet_cv_enable_asserts
  Warnings:            $unet_cv_enable_warnings
  Debug:               $unet_cv_enable_debug
  Profile:             $unet_cv_enable_profile
  Owner/mode:          $unet_cv_with_owner.$unet_cv_with_group ($unet_cv_with_mode)
  Chroot:              $unet_cv_with_chroot

  Domain:              $unet_cv_with_domain
  DPath:               $unet_cv_with_dpath
  CPath:               $unet_cv_with_cpath
  LPath:               $unet_cv_with_lpath
  Maximum connections: $unet_cv_with_maxcon

  poll() engine:       $unet_cv_enable_poll
  kqueue() engine:     $unet_cv_enable_kqueue
  /dev/poll engine:    $unet_cv_enable_devpoll
  epoll() engine:      $unet_cv_enable_epoll
"])