2004-05-09 Michael Poole <mdpoole@troilus.org>
[ircu2.10.12-pk.git] / configure.in
1 dnl Prefered emacs editing mode: -*- shell-script -*-
2 dnl
3 dnl Process this file with autoconf to produce a configure script.
4 dnl
5 dnl Copyright (c) 1997, by Carlo Wood <carlo@runaway.xs4all.nl>
6 dnl Copyright (C) 2001  Kevin L. Mitchell <klmitch@mit.edu>
7 dnl
8 dnl This program is free software; you can redistribute it and/or modify
9 dnl it under the terms of the GNU General Public License as published by
10 dnl the Free Software Foundation; either version 1, or (at your option)
11 dnl any later version.
12 dnl
13 dnl This program is distributed in the hope that it will be useful,
14 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
15 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 dnl GNU General Public License for more details.
17 dnl
18 dnl You should have received a copy of the GNU General Public License
19 dnl along with this program; if not, write to the Free Software
20 dnl Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 dnl
22 dnl $Id$
23
24 dnl Make sure we are in the correct directory (someone could have run
25 dnl 'configure' with a wrong '--srcdir').
26 AC_INIT(ircd/ircd.c)
27
28 dnl Set the default prefix
29 AC_PREFIX_DEFAULT([$HOME])
30 AC_MSG_CHECKING([for installation prefix])
31 AC_CACHE_VAL(unet_cv_prefix, [unet_cv_prefix=$HOME])
32 if test x"$prefix" != xNONE; then
33     unet_cv_prefix=$prefix
34 fi
35 AC_MSG_RESULT([$unet_cv_prefix])
36 dnl HACK WARNING: We are referencing an autoconf internal variable.  This is
37 dnl the only way to force the prefix to be retrieved from the config.cache
38 dnl file!
39 ac_default_prefix=$unet_cv_prefix
40
41 dnl Define the input and output configuration header file.
42 AC_CONFIG_HEADER([config.h])
43
44 dnl Demand at least version 2.13 of autoconf
45 AC_PREREQ(2.13)
46
47 dnl Find out what type of system we are
48 AC_CANONICAL_HOST
49
50 dnl This should be done early.
51 AC_PROG_CC
52
53 dnl ANSIfy the C compiler whenever possible.
54 AM_PROG_CC_STDC
55 dnl Use -O3 instead of -O2.
56 if test x"$CFLAGS" != x; then
57     CFLAGS=`echo "$CFLAGS" | sed -e 's/-O2/-O3/'`
58 fi
59 dnl Remove -pipe during configure
60 if test x"$CFLAGS" != x; then
61     CFLAGS=`echo "$CFLAGS" | sed -e 's/-pipe//g'`
62 fi
63 dnl Notice the -g flag and deal accordingly
64 if test x"$CFLAGS" != x; then
65     unet_old_cflags=$CFLAGS
66     CFLAGS=`echo "$CFLAGS" | sed -e 's/-g//g'`
67 fi
68 if test x"$CFLAGS" != x"$unet_old_cflags"; then
69     # If -g was already there, force symbols to be enabled
70     unet_cv_enable_symbols=yes
71 fi
72 dnl Notice the -pg flag and deal accordingly
73 if test x"$CFLAGS" != x; then
74     unet_old_cflags=$CFLAGS
75     CFLAGS=`echo "$CFLAGS" | sed -e 's/-pg//g'`
76 fi
77 if test x"$CFLAGS" != x"$unet_old_cflags"; then
78     # If -pg was already there, force profiling to be enabled
79     unet_cv_enable_profile=yes
80 fi
81 dnl Notice the -Wall flag and deal accordingly
82 if test x"$CFLAGS" != x; then
83     unet_old_cflags=$CFLAGS
84     CFLAGS=`echo "$CFLAGS" | sed -e 's/-Wall//g'`
85 fi
86 if test x"$CFLAGS" != x"$unet_old_cflags"; then
87     # If -Wall was already there, force warnings to be enabled
88     unet_cv_enable_warnings=yes
89 fi
90 dnl Notice the -pedantic flag and deal accordingly
91 if test x"$CFLAGS" != x; then
92     unet_old_cflags=$CFLAGS
93     CFLAGS=`echo "$CFLAGS" | sed -e 's/-pedantic//g'`
94 fi
95 if test x"$CFLAGS" != x"$unet_old_cflags"; then
96     # If -pedantic was already there, force pedatic to be enabled
97     unet_cv_enable_pedantic=yes
98 fi
99
100 dnl Checks for libraries.
101
102 dnl Locate the library containing crypt
103 AC_SEARCH_LIBS(crypt, descrypt crypt, ,
104 [AC_MSG_ERROR([Unable to find library containing crypt()])])
105
106 dnl Do all the checks necessary to figure out -lnsl / -lsocket stuff
107 AC_LIBRARY_NET
108
109 dnl Look for res_mkquery.  Done after AC_LIBRARY_NET in case res_mkquery
110 dnl is in one of those libraries somewhere.
111 AC_SEARCH_LIBS(res_mkquery, resolv, ,
112 [AC_MSG_ERROR([Unable to find library containing res_mkquery()])])
113
114 dnl Checks for header files.
115 AC_HEADER_STDC
116 AC_CHECK_HEADERS(poll.h sys/devpoll.h sys/epoll.h sys/event.h)
117
118 dnl Checks for typedefs, structures, and compiler characteristics
119 dnl AC_C_CONST
120 AC_C_BIGENDIAN
121 AC_TYPE_SIZE_T
122 AC_HEADER_TIME
123 AC_STRUCT_TM
124 AC_TYPE_UID_T
125 unet_CHECK_TYPE_SIZES
126
127 dnl Checks for library functions.
128 AC_CHECK_FUNCS([kqueue setrlimit getrusage times])
129
130 dnl Do we have restarting syscalls ?
131 AC_SYS_RESTARTABLE_SYSCALLS
132
133 dnl Check for required features for admins?
134 AC_MSG_CHECKING([for donuts])
135 AC_MSG_RESULT([yes])
136
137 dnl Test for programs
138 AC_PROG_AWK
139 AC_PROG_MAKE_SET
140 AC_PROG_INSTALL
141 AC_PROG_LN_S
142 AC_PATH_PROGS(RMPROG, rm, /bin/rm)
143 AC_PATH_PROGS(SHPROG, sh, /bin/sh)
144
145 unet_NONBLOCKING
146 unet_SIGNALS
147
148 dnl Add -pipe when possible
149 unet_PIPE_CFLAGS
150
151 dnl Check OS for os_dep files.
152 AC_MSG_CHECKING(for OS-dependent information)
153 case "$host" in
154     *-linux*)
155         AC_MSG_RESULT([Linux ($host) found.])
156         unet_poll_syscall=yes
157         OSDEP_C=os_linux.c
158         ;;
159
160     *-solaris*)
161         AC_MSG_RESULT([Solaris ($host) found.])
162         if test x"$ac_cv_header_poll_h" = xyes; then
163             unet_poll_syscall=yes
164         else
165             unet_poll_syscall=no
166         fi
167         OSDEP_C=os_solaris.c
168         ;;
169
170     *-sunos*)
171         AC_MSG_RESULT([Solaris ($host) found.])
172         unet_poll_syscall=no
173         OSDEP_C=os_solaris.c
174         ;;
175
176     *-openbsd*)
177         AC_MSG_RESULT([OpenBSD ($host) found.])
178         if test x"$ac_cv_header_poll_h" = xyes; then
179             unet_poll_syscall=yes
180         else
181             unet_poll_syscall=no
182         fi
183         OSDEP_C=os_openbsd.c
184         ;;
185
186     *-*bsd*)
187         AC_MSG_RESULT([Generic BSD ($host) found.])
188         if test x"$ac_cv_header_poll_h" = xyes; then
189             unet_poll_syscall=yes
190         else
191             unet_poll_syscall=no
192         fi
193         OSDEP_C=os_bsd.c
194         ;;
195
196     *-darwin*)
197         AC_MSG_RESULT([Darwin (Mac OS X) ($host) found.])
198         unet_poll_syscall=no
199         OSDEP_C=os_bsd.c
200         ;;
201
202     *)
203         AC_MSG_RESULT([Unknown system type $host found.])
204         AC_MSG_WARN([Unknown OS type; using generic routines.])
205         unet_poll_syscall=no
206         OSDEP_C=os_generic.c
207         ;;
208 esac
209 AC_SUBST(OSDEP_C)
210
211 dnl Check user configuration options
212 dnl Start with --enable-poll
213 AC_MSG_CHECKING([whether to enable use of poll()])
214 AC_ARG_ENABLE([poll],
215 [  --enable-poll           Force poll to be used regardless of whether or not
216                           it is a system call],
217 [unet_cv_enable_poll=$enable_poll],
218 [AC_CACHE_VAL(unet_cv_enable_poll,
219 [unet_cv_enable_poll=$unet_poll_syscall])])
220
221 # Force poll to be disabled if there is no poll.h
222 if test x"$ac_cv_header_poll_h" != xyes; then
223     unet_cv_enable_poll=no
224 fi
225
226 AC_MSG_RESULT([$unet_cv_enable_poll])
227
228 if test x"$unet_cv_enable_poll" = xyes; then
229     AC_DEFINE([USE_POLL], , [Specify whether or not to use poll()])
230     ENGINE_C=engine_poll.c
231 else
232     ENGINE_C=engine_select.c
233 fi
234 AC_SUBST(ENGINE_C)
235
236 dnl Now look for --enable-debug
237 AC_MSG_CHECKING([whether to enable debug mode])
238 AC_ARG_ENABLE([debug],
239 [  --enable-debug          Turn on debugging mode],
240 [unet_cv_enable_debug=$enable_debug],
241 [AC_CACHE_VAL(unet_cv_enable_debug,
242 [unet_cv_enable_debug=no])])
243 AC_MSG_RESULT([$unet_cv_enable_debug])
244
245 if test x"$unet_cv_enable_debug" = xyes; then
246     AC_DEFINE([DEBUGMODE], , [Enable debugging code])
247 fi
248
249 dnl Now look for --enable-leak-detect
250 AC_MSG_CHECKING([whether to enable leak detection])
251 AC_ARG_WITH([leak-detect],
252 [  --with-leak-detect          Turn on the leak detector(requires patched boehm)],
253 [unet_cv_with_leak_detect=$with_leak_detect],
254 [AC_CACHE_VAL(unet_cv_with_leak_detect,
255 [unet_cv_with_leak_detect=no])])
256 AC_MSG_RESULT([$unet_cv_enable_leak_detect])
257
258 if test x"$unet_cv_with_leak_detect" != xno; then
259     LIBS="-lgc $LIBS"
260     CFLAGS="-DMDEBUG $CFLAGS"
261     if test x"$unet_cv_with_leak_detect" != xyes; then
262        LIBS="-L$unet_cv_with_leak_detect $LIBS"
263     fi
264 fi
265
266 dnl And now for --disable-asserts
267 AC_MSG_CHECKING([whether to enable asserts])
268 AC_ARG_ENABLE([asserts],
269 [  --disable-asserts       Disable assertion checking],
270 [unet_cv_enable_asserts=$enable_asserts],
271 [AC_CACHE_VAL(unet_cv_enable_asserts,
272 [unet_cv_enable_asserts=yes])])
273 AC_MSG_RESULT([$unet_cv_enable_asserts])
274
275 if test x"$unet_cv_enable_asserts" = xno; then
276     AC_DEFINE([NDEBUG], , [Disable assertions])
277 fi
278
279 dnl Check for --enable-symbols
280 AC_MSG_CHECKING([whether to enable debugging symbols])
281 AC_ARG_ENABLE([symbols],
282 [  --disable-symbols       Disable debugging symbols (remove -g from CFLAGS)],
283 [unet_cv_enable_symbols=$enable_symbols],
284 [AC_CACHE_VAL(unet_cv_enable_symbols,
285 [unet_cv_enable_symbols=yes])])
286 AC_MSG_RESULT([$unet_cv_enable_symbols])
287
288 if test x"$unet_cv_enable_symbols" = xyes; then
289     CFLAGS="-g $CFLAGS"
290 fi
291
292 dnl Now check for --enable-profile
293 AC_MSG_CHECKING([whether to enable profiling support (gprof)])
294 AC_ARG_ENABLE([profile],
295 [  --enable-profile        Enable profiling support (add -pg to CFLAGS)],
296 [unet_cv_enable_profile=$enable_profile],
297 [AC_CACHE_VAL(unet_cv_enable_profile,
298 [unet_cv_enable_profile=no])])
299 AC_MSG_RESULT([$unet_cv_enable_profile])
300
301 if test x"$unet_cv_enable_profile" = xyes; then
302     CFLAGS="-pg $CFLAGS"
303 fi
304
305 dnl Now check for --enable-pedantic
306 AC_MSG_CHECKING([whether to enable pedantic compiler warnings])
307 AC_ARG_ENABLE([pedantic],
308 [  --enable-pedantic       Enable pedantic warnings (add -pedantic to CFLAGS)],
309 [unet_cv_enable_pedantic=$enable_pedantic],
310 [AC_CACHE_VAL(unet_cv_enable_pedantic,
311 [unet_cv_enable_pedantic=no])])
312 AC_MSG_RESULT([$unet_cv_enable_pedantic])
313
314 if test x"$unet_cv_enable_pedantic" = xyes; then
315     CFLAGS="-pedantic $CFLAGS"
316 fi
317
318 dnl Now check for --enable-warnings
319 AC_MSG_CHECKING([whether to enable compiler warnings])
320 AC_ARG_ENABLE([warnings],
321 [  --enable-warnings       Enable warnings (add -Wall to CFLAGS)],
322 [unet_cv_enable_warnings=$enable_warnings],
323 [AC_CACHE_VAL(unet_cv_enable_warnings,
324 [unet_cv_enable_warnings=no])])
325 AC_MSG_RESULT([$unet_cv_enable_warnings])
326
327 if test x"$unet_cv_enable_warnings" = xyes; then
328     CFLAGS="-Wall $CFLAGS"
329 fi
330
331 dnl --disable-inlines check...
332 AC_MSG_CHECKING([whether to enable inlining for a few critical functions])
333 AC_ARG_ENABLE([inlines],
334 [  --disable-inlines       Disable inlining for a few critical functions],
335 [unet_cv_enable_inlines=$enable_inlines],
336 [AC_CACHE_VAL(unet_cv_enable_inlines,
337 [unet_cv_enable_inlines=yes])])
338 AC_MSG_RESULT([$unet_cv_enable_inlines])
339
340 if test x"$unet_cv_enable_inlines" = xyes; then
341     AC_DEFINE([FORCEINLINE], , [Force inlining for a few critical functions])
342 fi
343
344 dnl --disable-devpoll check...
345 AC_MSG_CHECKING([whether to enable the /dev/poll event engine])
346 AC_ARG_ENABLE([devpoll],
347 [  --disable-devpoll       Disable the /dev/poll-based engine],
348 [unet_cv_enable_devpoll=$enable_devpoll],
349 [AC_CACHE_VAL(unet_cv_enable_devpoll,
350 [unet_cv_enable_devpoll=yes])])
351
352 if test x"$ac_cv_header_sys_devpoll_h" = xno; then
353     unet_cv_enable_devpoll=no
354 fi
355
356 AC_MSG_RESULT([$unet_cv_enable_devpoll])
357
358 if test x"$unet_cv_enable_devpoll" != xno; then
359     AC_DEFINE([USE_DEVPOLL], , [Define to enable the /dev/poll engine])
360     ENGINE_C="engine_devpoll.c $ENGINE_C"
361 fi
362
363 dnl --disable-kqueue check...
364 AC_MSG_CHECKING([whether to enable the kqueue event engine])
365 AC_ARG_ENABLE([kqueue],
366 [  --disable-kqueue        Disable the kqueue-based engine],
367 [unet_cv_enable_kqueue=$enable_kqueue],
368 [AC_CACHE_VAL(unet_cv_enable_kqueue,
369 [unet_cv_enable_kqueue=yes])])
370
371 if test x"$ac_cv_header_sys_event_h" = xno -o x"$ac_cv_func_kqueue" = xno; then
372     unet_cv_enable_kqueue=no
373 fi
374
375 AC_MSG_RESULT([$unet_cv_enable_kqueue])
376
377 if test x"$unet_cv_enable_kqueue" != xno; then
378     AC_DEFINE([USE_KQUEUE], , [Define to enable the kqueue engine])
379     ENGINE_C="engine_kqueue.c $ENGINE_C"
380 fi
381
382 dnl --disable-epoll check
383 AC_MSG_CHECKING([whether to enable the epoll event engine])
384 AC_ARG_ENABLE([epoll],
385 [  --disable-epoll         Disable the epoll-based engine],
386 [unet_cv_enable_epoll=$enable_epoll],
387 [AC_CACHE_VAL(unet_cv_enable_epoll,
388 [unet_cv_enable_epoll=yes])])
389
390 if test x"$ac_cv_header_sys_epoll_h" = xno -o x"$ac_cv_func_epoll" = xno; then
391     unet_cv_enable_epoll=no
392 fi
393
394 AC_MSG_RESULT([$unet_cv_enable_epoll])
395
396 dnl If we have the header and user has not refused epoll, we still need
397 dnl to check whether the functions are properly defined.
398 if test x"$unet_cv_enable_epoll" != xno; then
399     AC_MSG_CHECKING([whether epoll functions are properly defined])
400     AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <sys/epoll.h>], [epoll_create(10);])],
401         [AC_MSG_RESULT([yes])],
402         [AC_MSG_RESULT([no])
403          AC_DEFINE([EPOLL_NEED_BODY],,[Define to implement epoll system calls])])
404     AC_DEFINE([USE_EPOLL], , [Define to enable the epoll engine])
405     ENGINE_C="engine_epoll.c $ENGINE_C"
406 fi
407
408 dnl --disable-adns check...
409 AC_MSG_CHECKING([whether to enable the adns resolver engine])
410 AC_ARG_ENABLE([adns],
411 [  --disable-adns          Disable adns resolver],
412 [unet_cv_enable_adns=$enable_adns],
413 [AC_CACHE_VAL(unet_cv_enable_adns,
414 [unet_cv_enable_adns=yes])])
415
416 AC_MSG_RESULT([$unet_cv_enable_adns])
417
418 if test x"$unet_cv_enable_adns" != xno; then
419     AC_DEFINE([USE_ADNS], , [Define to enable the adns resolver])
420     AC_CONFIG_SUBDIRS([adns])
421     RES_C="res_adns.c"
422     LIBS="../adns/src/libadns.a $LIBS"
423     ADNS_SUBDIR="adns"
424 else
425     RES_C="res_libresolv.c"
426     ADNS_SUBDIR=""
427
428     dnl Look for res_mkquery.  Done after AC_LIBRARY_NET in case res_mkquery
429     dnl is in one of those libraries somewhere.
430     AC_SEARCH_LIBS(res_mkquery, resolv, ,
431     [AC_MSG_ERROR([Unable to find library containing res_mkquery()])])
432 fi
433 AC_SUBST(RES_C)
434 AC_SUBST(ADNS_SUBDIR)
435
436 dnl --with-symlink lets us set the name of the symlink; defaults to "ircd"
437 AC_MSG_CHECKING([what name to give the symlink])
438 AC_ARG_WITH([symlink],
439 [  --with-symlink=name     Name to give the symlink; if name is "no," no
440                           symlink will be created.],
441 [unet_cv_with_symlink=$with_symlink],
442 [AC_CACHE_VAL(unet_cv_with_symlink,
443 [unet_cv_with_symlink="ircd"])])
444
445 if test x"$unet_cv_with_symlink" = xyes; then
446     unet_cv_with_symlink="ircd"
447 fi
448
449 AC_MSG_RESULT([$unet_cv_with_symlink])
450
451 if test x"$unet_cv_with_symlink" = xno; then
452     INSTALL_RULE=install-no-symlink
453     SYMLINK=
454 else
455     INSTALL_RULE=install-with-symlink
456     SYMLINK=$unet_cv_with_symlink
457 fi
458 AC_SUBST(INSTALL_RULE)
459 AC_SUBST(SYMLINK)
460
461 dnl --with-mode lets us set the permissions on the binary
462 AC_MSG_CHECKING([what permissions to set on the installed binary])
463 AC_ARG_WITH([mode],
464 [  --with-mode=mode        Permissions (in octal) to give the binary],
465 [unet_cv_with_mode=$with_mode],
466 [AC_CACHE_VAL(unet_cv_with_mode,
467 [unet_cv_with_mode=711])])
468
469 if test x"$unet_cv_with_mode" = xyes -o x"$unet_cv_with_mode" = xno; then
470     unet_cv_with_mode=711
471 fi
472
473 AC_MSG_RESULT([$unet_cv_with_mode])
474
475 IRCDMODE=$unet_cv_with_mode
476 AC_SUBST(IRCDMODE)
477
478 dnl --with-owner lets us set the owner of the binary
479 changequote(,)dnl
480 unet_uid=`id | sed -e 's/.*uid=[0-9]*(//' -e 's/).*//' 2> /dev/null`
481 changequote([,])dnl
482 AC_MSG_CHECKING([which user should own the installed binary])
483 AC_ARG_WITH([owner],
484 [  --with-owner=owner      Specify owner of the installed binary],
485 [unet_cv_with_owner=$with_owner],
486 [AC_CACHE_VAL(unet_cv_with_owner,
487 [unet_cv_with_owner=$unet_uid])])
488
489 if test x"$unet_cv_with_owner" = xyes -o x"$unet_cv_with_owner" = xno; then
490     unet_cv_with_owner=$unet_uid
491 fi
492
493 AC_MSG_RESULT([$unet_cv_with_owner])
494
495 IRCDOWN=$unet_cv_with_owner
496 AC_SUBST(IRCDOWN)
497
498 dnl --with-group lets us set the group owner of the binary
499 changequote(,)dnl
500 unet_gid=`id | sed -e 's/.*gid=[0-9]*(//' -e 's/).*//' 2> /dev/null`
501 changequote([,])dnl
502 AC_MSG_CHECKING([which group should own the installed binary])
503 AC_ARG_WITH([group],
504 [  --with-group=group      Specify group owner of the installed binary],
505 [unet_cv_with_group=$with_group],
506 [AC_CACHE_VAL(unet_cv_with_group,
507 [unet_cv_with_group=$unet_gid])])
508
509 if test x"$unet_cv_with_group" = xyes -o x"$unet_cv_with_group" = xno; then
510     unet_cv_with_group=$unet_gid
511 fi
512
513 AC_MSG_RESULT([$unet_cv_with_group])
514
515 IRCDGRP=$unet_cv_with_group
516 AC_SUBST(IRCDGRP)
517
518 dnl --with-domain lets us set the domain name for some statistics-gathering
519 unet_domain=
520 if test -f /etc/resolv.conf; then
521     unet_domain=`awk '/^domain/ { print $2; exit }' /etc/resolv.conf`
522     if test x"$unet_domain" = x; then
523         unet_domain=`awk '/^search/ { print $2; exit }' /etc/resolv.conf`
524     fi
525 fi
526 AC_MSG_CHECKING([for site domain name])
527 AC_ARG_WITH([domain],
528 [  --with-domain=domain    Domain name to use in local statistics gathering],
529 [unet_cv_with_domain=$with_domain],
530 [AC_CACHE_VAL(unet_cv_with_domain,
531 [unet_cv_with_domain=$unet_domain])])
532
533 if test x"$unet_cv_with_domain" = xyes -o x"$unet_cv_with_domain" = xno; then
534     unet_cv_with_domain=$unet_domain
535 fi
536 if test x"$unet_cv_with_domain" = xno; then
537     AC_MSG_ERROR([Unable to determine server DNS domain; use --with-domain to set it])
538 fi
539
540 AC_MSG_RESULT([$unet_cv_with_domain])
541
542 AC_DEFINE_UNQUOTED(DOMAINNAME, "*$unet_cv_with_domain",
543 [Domain name to be used for some statistics gathering])
544
545 dnl --with-chroot lets us define a directory that we are going to be using
546 dnl as the root of our filesystem
547 AC_MSG_CHECKING([if chroot operation is desired])
548 AC_ARG_WITH([chroot],
549 [  --with-chroot=dir       Specify that the server will be operated under
550                           a different root directory given by dir.  See
551                           doc/readme.chroot for more information.],
552 [unet_cv_with_chroot=$with_chroot],
553 [AC_CACHE_VAL(unet_cv_with_chroot,
554 [unet_cv_with_chroot=no])])
555
556 if test x"$unet_cv_with_chroot" = xyes; then
557     AC_MSG_ERROR([--with-chroot given with no directory.  See doc/readme.chroot.])
558 fi
559
560 # Ensure there are no trailing /'s to mess us up
561 unet_cv_with_chroot=`echo "$unet_cv_with_chroot" | sed 's%/*$%%'`
562
563 AC_MSG_RESULT([$unet_cv_with_chroot])
564
565 dnl Determine some default directory names
566 dnl
567 dnl HACK WARNING: We are referencing an autoconf internal variable.  This is
568 dnl the only way to figure out what value $prefix will have when we go to do
569 dnl the install--and the only way we can stick that value in our definitions
570 dnl of SPATH, etc.
571 # Deal with the annoying value "NONE" here
572 unet_save_prefix=$prefix
573 if test x"$prefix" = xNONE; then
574     prefix=$ac_default_prefix
575 else
576     prefix=$prefix
577 fi
578
579 unet_save_exec_prefix=$exec_prefix
580 if test x"$exec_prefix" = xNONE; then
581     exec_prefix=$prefix
582 else
583     exec_prefix=$exec_prefix
584 fi
585
586 # Obtain the actual interesting directories
587 unet_bindir=`eval echo "$bindir"`
588 unet_libdir=`eval echo "$libdir"`
589
590 # Restore the original settings of $prefix and $exec_prefix
591 prefix=$unet_save_prefix
592 exec_prefix=$unet_save_exec_prefix
593
594 dnl Now compute the name of the binary and verify that it will work under
595 dnl chroot operation
596 AC_MSG_CHECKING([where the binary will be for /restart])
597 if test x"$unet_cv_with_symlink" = xno; then
598     unet_spath="$unet_bindir/ircd"
599 else
600     unet_spath="$unet_bindir/$unet_cv_with_symlink"
601 fi
602 AC_MSG_RESULT([$unet_spath])
603
604 if test x"$unet_cv_with_chroot" != xno; then
605     if echo "$unet_spath" | grep "^$unet_cv_with_chroot" > /dev/null 2>&1; then
606         unet_spath=`echo "$unet_spath" | sed "s%^$unet_cv_with_chroot%%"`
607     else
608         AC_MSG_WARN([Binary $unet_spath not relative to root directory $unet_cv_with_chroot; restarts will probably fail])
609     fi
610 fi
611
612 AC_DEFINE_UNQUOTED(SPATH, "$unet_spath", [Path to executable for restarts])
613
614 dnl --with-dpath sets the all-important DPATH
615 AC_MSG_CHECKING([what the data directory should be])
616 AC_ARG_WITH([dpath],
617 [  --with-dpath=dir        Directory for all server data files],
618 [unet_cv_with_dpath=$with_dpath],
619 [AC_CACHE_VAL(unet_cv_with_dpath,
620 [unet_cv_with_dpath=$unet_libdir])])
621
622 if test x"$unet_cv_with_dpath" = xyes -o x"$unet_cv_with_dpath" = xno; then
623     unet_cv_with_dpath=$unet_libdir
624 fi
625
626 # Ensure there are no trailing /'s to mess us up
627 unet_cv_with_dpath=`echo "$unet_cv_with_dpath" | sed 's%/*$%%'`
628
629 AC_MSG_RESULT([$unet_cv_with_dpath])
630
631 if test x"$unet_cv_with_chroot" != xno; then
632     if echo "$unet_cv_with_dpath" | grep "^$unet_cv_with_chroot" > /dev/null 2>&1; then
633         unet_dpath=`echo "$unet_cv_with_dpath" | sed "s%^$unet_cv_with_chroot%%"`
634     else
635         AC_MSG_ERROR([Data directory $unet_cv_with_dpath not relative to root directory $unet_cv_with_chroot])
636     fi
637 else
638     unet_dpath=$unet_cv_with_dpath
639 fi
640
641 AC_DEFINE_UNQUOTED(DPATH, "$unet_dpath", [Path to data directory])
642
643 DPATH=$unet_cv_with_dpath
644 AC_SUBST(DPATH)
645
646 dnl --with-cpath allows us to specify the configuration file
647 AC_MSG_CHECKING([where the default configuration file resides])
648 AC_ARG_WITH([cpath],
649 [  --with-cpath=file       Set server configuration file],
650 [unet_cv_with_cpath=$with_cpath],
651 [AC_CACHE_VAL(unet_cv_with_cpath,
652 [unet_cv_with_cpath="ircd.conf"])])
653
654 if test x"$unet_cv_with_cpath" = xyes -o x"$unet_cv_with_cpath" = xno; then
655     unet_cv_with_cpath="ircd.conf"
656 fi
657
658 AC_MSG_RESULT([$unet_cv_with_cpath])
659
660 if echo "$unet_cv_with_cpath" | grep '^/' > /dev/null 2>&1; then
661     # Absolute path; check against chroot stuff
662     if test x"$unet_cv_with_chroot" != xno; then
663         if echo "$unet_cv_with_cpath" | grep "^$unet_cv_with_chroot" > /dev/null 2>&1; then
664             unet_cpath=`echo "$unet_cv_with_cpath" | sed "s%^$unet_cv_with_chroot%%"`
665         else
666             AC_MSG_ERROR([Configuration file $unet_cv_with_cpath not relative to root directory $unet_cv_with_chroot])
667         fi
668     else
669         unet_cpath=$unet_cv_with_cpath
670     fi
671 else
672     unet_cpath=$unet_cv_with_cpath
673 fi
674
675 AC_DEFINE_UNQUOTED(CPATH, "$unet_cpath", [Configuration file name])
676
677 dnl --with-lpath allows us to specify the default debugging log file
678 AC_MSG_CHECKING([where to put the debugging log if debugging enabled])
679 AC_ARG_WITH([lpath],
680 [  --with-lpath=file       Set the debugging log file],
681 [unet_cv_with_lpath=$with_lpath],
682 [AC_CACHE_VAL(unet_cv_with_lpath,
683 [unet_cv_with_lpath="ircd.log"])])
684
685 if test x"$unet_cv_with_lpath" = xyes -o x"$unet_cv_with_lpath" = xno; then
686     unet_cv_with_lpath="ircd.log"
687 fi
688
689 AC_MSG_RESULT([$unet_cv_with_lpath])
690
691 if echo "$unet_cv_with_lpath" | grep '^/' > /dev/null 2>&1; then
692     # Absolute path; check against chroot stuff
693     if test x"$unet_cv_with_chroot" != xno; then
694         if echo "$unet_cv_with_lpath" | grep "^$unet_cv_with_chroot" > /dev/null 2>&1; then
695             unet_lpath=`echo "$unet_cv_with_lpath" | sed "s%^$unet_cv_with_chroot%%"`
696         else
697             AC_MSG_WARN([Log file $unet_cv_with_lpath not relative to root directory $unet_cv_with_chroot; using default ircd.log instead])
698             unet_cv_with_lpath="ircd.log"
699             unet_lpath="ircd.log"
700         fi
701     else
702         unet_lpath=$unet_cv_with_lpath
703     fi
704 else
705     unet_lpath=$unet_cv_with_lpath
706 fi
707
708 AC_DEFINE_UNQUOTED(LPATH, "$unet_lpath", [Path to debugging log file])
709
710 dnl --with-maxcon allows us to set the maximum connections
711 unet_maxcon=`ulimit -Hn`
712 unet_maxcon=`expr $unet_maxcon - 4`
713 AC_MSG_CHECKING([max connections])
714 AC_ARG_WITH([maxcon],
715 [  --with-maxcon=maxcon    Maximum number of connections server will accept],
716 [unet_cv_with_maxcon=$with_maxcon],
717 [AC_CACHE_VAL(unet_cv_with_maxcon,
718 [unet_cv_with_maxcon=$unet_maxcon])])
719
720 if test x"$unet_cv_with_maxcon" = xyes -o x"$unet_cv_with_maxcon" = xno; then
721     unet_cv_with_maxcon=$unet_maxcon
722 fi
723
724 AC_MSG_RESULT([$unet_cv_with_maxcon])
725
726 AC_DEFINE_UNQUOTED(MAXCONNECTIONS, $unet_cv_with_maxcon,
727 [Maximum number of network connections])
728
729 dnl Finally really generate all output files:
730 AC_OUTPUT(Makefile ircd/Makefile doc/Makefile, [echo timestamp > stamp-h])
731
732 dnl Report configuration
733 AC_OUTPUT_COMMANDS([echo "
734 ircu is now hopefully configured for your system.
735
736   Host system:         $host_os
737   Prefix:              $prefix
738   Asserts:             $unet_cv_enable_asserts
739   Warnings:            $unet_cv_enable_warnings
740   Debug:               $unet_cv_enable_debug
741   Profile:             $unet_cv_enable_profile
742   Head-in-sand:        $unet_cv_enable_headinsand
743   ADNS:                $unet_cv_enable_adns
744   Owner/mode:          $unet_cv_with_owner.$unet_cv_with_group ($unet_cv_with_mode)
745   Chroot:              $unet_cv_with_chroot
746   
747   Domain:              $unet_cv_with_domain
748   DPath:               $unet_cv_with_dpath
749   CPath:               $unet_cv_with_cpath
750   LPath:               $unet_cv_with_lpath
751   Maximum connections: $unet_cv_with_maxcon
752   
753   poll() engine:       $unet_cv_enable_poll
754   kqueue() engine:     $unet_cv_enable_kqueue
755   /dev/poll engine:    $unet_cv_enable_devpoll
756 "])