chiark / gitweb /
configure.ac, wireshark/Makefile.am: Leave CFLAGS and CPPFLAGS to user.
[tripe] / configure.ac
1 dnl -*-autoconf-*-
2 dnl
3 dnl Configuration script for TrIPE
4 dnl
5 dnl (c) 2001 Straylight/Edgeware
6 dnl
7
8 dnl ----- Licensing notice --------------------------------------------------
9 dnl
10 dnl This file is part of Trivial IP Encryption (TrIPE).
11 dnl
12 dnl TrIPE is free software; you can redistribute it and/or modify
13 dnl it under the terms of the GNU General Public License as published by
14 dnl the Free Software Foundation; either version 2 of the License, or
15 dnl (at your option) any later version.
16 dnl
17 dnl TrIPE is distributed in the hope that it will be useful,
18 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
19 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20 dnl GNU General Public License for more details.
21 dnl
22 dnl You should have received a copy of the GNU General Public License
23 dnl along with TrIPE; if not, write to the Free Software Foundation,
24 dnl Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25
26 dnl--------------------------------------------------------------------------
27 dnl Initialization.
28
29 mdw_AUTO_VERSION
30 AC_INIT([tripe], AUTO_VERSION, [mdw@distorted.org.uk])
31 AC_CONFIG_SRCDIR([server/tripe.h])
32 AC_CONFIG_AUX_DIR([config])
33 AM_INIT_AUTOMAKE([foreign])
34 mdw_SILENT_RULES
35
36 AC_PROG_CC
37 AM_PROG_CC_C_O
38 AX_CFLAGS_WARN_ALL
39 AC_CANONICAL_HOST
40 AM_PROG_LIBTOOL
41
42 AC_CHECK_PROGS([AUTOM4TE], [autom4te])
43
44 mdw_ORIG_CFLAGS=$CFLAGS
45 mdw_ORIG_CPPFLAGS=$CPPFLAGS
46 AC_SUBST(AM_CFLAGS)
47 AC_SUBST(AM_CPPFLAGS)
48
49 dnl--------------------------------------------------------------------------
50 dnl C programming environment.
51
52 AC_CHECK_HEADERS([stdarg.h])
53
54 AC_SEARCH_LIBS([socket], [socket])
55
56 case "$host_os" in
57   linux)
58     AC_ARG_WITH([linux-includes],
59                 AS_HELP_STRING(
60                   [--with-linux-includes=DIR],
61                   [Linux kernel includes]),
62                 [AM_CPPFLAGS="AM_CPPFLAGS -I$withval"], [:])
63     ;;
64 esac
65
66 PKG_CHECK_MODULES([mLib], [mLib >= 2.1.0])
67 PKG_CHECK_MODULES([catacomb], [catacomb >= 2.1.1])
68
69 AM_CFLAGS="$AM_CFLAGS $mLib_CFLAGS $catacomb_CFLAGS"
70
71 dnl--------------------------------------------------------------------------
72 dnl Directories to install things into.
73
74 dnl TRIPE_DEFINE_PATH(VAR, ARG, HELP, DEFAULT, [DEFINE, DEFINEHELP])
75 AC_DEFUN([TRIPE_DEFINE_PATH], [
76   AC_ARG_WITH([$1], AS_HELP_STRING([--with-$1=$2], [$3]),
77               [$1=$withval], [$1=$4])
78   AC_SUBST([$1])
79   m4_if([$5], [], [], [
80     mdw_DEFINE_PATHS([mdw_DEFINE_PATH([$5], [$][$1], [$6])])
81   ])
82 ])
83
84 dnl Actual options.
85 TRIPE_DEFINE_PATH(
86   [configdir], [DIR], [keys and other configuration [[LOCALSTATE/tripe]]],
87   ['${localstatedir}/tripe'],
88   [CONFIGDIR], [Look for keys and other configuration here.])
89
90 TRIPE_DEFINE_PATH(
91   [socketdir], [DIR], [admin socket [[.]]], [.],
92   [SOCKETDIR], [Create or look for administration socket here.])
93
94 TRIPE_DEFINE_PATH(
95   [pidfile], [FILE], [process-id [[./tripectl.pid]]], [tripectl.pid])
96
97 TRIPE_DEFINE_PATH(
98   [initconfig], [FILE],
99   [configuration for init script [[SYSCONFDIR/tripe.conf]]],
100   ['${sysconfdir}/tripe.conf'])
101
102 TRIPE_DEFINE_PATH(
103   [logfile], [FILE], [logging output [[./tripe.log]]], [tripe.log])
104
105 dnl--------------------------------------------------------------------------
106 dnl Privilege-separation helper.
107
108 mdw_DEFINE_PATHS([
109   AC_DEFINE_UNQUOTED([PRIVSEP_HELPER],
110     ["mdw_PATH([$libexecdir])/mdw_PROG([tripe-privhelper])"],
111     [Pathname of privilege-separation helper.])
112 ])
113
114 dnl--------------------------------------------------------------------------
115 dnl Other options.
116
117 AC_ARG_WITH([tracing],
118             AS_HELP_STRING(
119               [--without-tracing],
120               [compile out tracing support (not recommended)]),
121             [test "$withval" = no &&
122               AC_DEFINE([NTRACE], [1], [Disable all tracing.])],
123             [:])
124
125 dnl--------------------------------------------------------------------------
126 dnl Path MTU discovery.
127
128 case $host_os in
129   linux*)
130     pmtu=yes
131     ;;
132   *)
133     pmtu=no
134     ;;
135 esac
136 AM_CONDITIONAL([PATHMTU], [test $pmtu = yes])
137
138 dnl--------------------------------------------------------------------------
139 dnl Tunnel devices.
140
141 dnl Provide the user with a choice.
142 AC_ARG_WITH([tunnel],
143             AS_HELP_STRING(
144               [--with-tunnel=KIND],
145               [kinds of tunnel device to use (linux, unet, bsd, slip)]),
146             [tun=$withval], [tun=auto])
147
148 dnl If he doesn't choose, pick something sensible.
149 if test "$tun" = auto; then
150   AC_CACHE_CHECK([tunnel drivers to use], [mdw_cv_tunnel], [
151     mdw_cv_tunnel=""
152     case $host_os in
153       linux*)
154         case `uname -r` in
155           [2.[4-9].*] | [2.[1-9][0-9]*.*] | [[3-9].*] | [[1-9][0-9]*.*])
156             mdw_cv_tunnel=linux
157             ;;
158           *)
159             mdw_cv_tunnel=unet
160             ;;
161         esac
162         ;;
163       *bsd*)
164         mdw_cv_tunnel=bsd
165         ;;
166     esac
167     mdw_cv_tunnel=$mdw_cv_tunnel${mdw_cv_tunnel:+ }slip
168   ])
169   tun=$mdw_cv_tunnel
170 fi
171
172 tunnels=""
173 for i in $tun; do
174   case $i in
175     linux) AC_DEFINE([TUN_LINUX], [1],
176                      [Install the Linux TUN/TAP driver.]) ;;
177     bsd) AC_DEFINE([TUN_BSD], [1],
178                    [Install the BSD tunnel driver.]) ;;
179     unet) AC_DEFINE([TUN_UNET], [1],
180                     [Install the obsolete Linux Usernet driver.]) ;;
181     slip) ;;
182     *) AC_MSG_ERROR([Unknown tunnel type]) ;;
183   esac
184   tunnels="$tunnels&tun_$i, "
185 done
186 AC_DEFINE_UNQUOTED([TUN_LIST], [$tunnels 0],
187   [List of tunnel drivers to install.])
188
189 dnl--------------------------------------------------------------------------
190 dnl Python.
191
192 dnl Find out whether Python exists at all.
193 AM_PATH_PYTHON([2.4], [python=yes], [python=no])
194 AM_CONDITIONAL([HAVE_PYTHON], [test $python = yes])
195
196 dnl Find out whether we can use Catacomb and GTK.
197 if test $python = yes; then
198   AC_PYTHON_MODULE([pygtk])
199   AC_PYTHON_MODULE([catacomb])
200 fi
201 AM_CONDITIONAL([HAVE_PYGTK], [test ${HAVE_PYMOD_PYGTK-no} = yes])
202 AM_CONDITIONAL([HAVE_PYCATACOMB], [test ${HAVE_PYMOD_CATACOMB-no} = yes])
203
204 dnl--------------------------------------------------------------------------
205 dnl Wireshark.
206 dnl
207 dnl This is all distressingly ugly and complicated.  Why they can't just
208 dnl provide a pkg-config dropping containing all the useful information about
209 dnl the installation I don't know.
210
211 WIRESHARK_CFLAGS=""
212 : ${wireshark_plugindir=unknown}
213
214 dnl Get the user to help.
215 AC_ARG_WITH([wireshark],
216             AS_HELP_STRING(
217               [--with-wireshark[=DIR]],
218               [build and install Wireshark plugin]),
219             [case "$withval" in
220                no)  haveshark=no needshark=no ;;
221                yes) haveshark=yes needshark=yes ;;
222                *)   haveshark=yes needshark=yes
223                     wireshark_plugindir=$withval ;;
224             esac],
225             [haveshark=yes needshark=no])
226
227 dnl Try to find the Wireshark installation directory the hard way.
228 case "$haveshark,$wireshark_plugindir" in
229   yes,unknown)
230     AC_CACHE_CHECK([where to put Wireshark plugins],
231       [mdw_cv_wireshark_plugin_dir], [
232       mdw_cv_wireshark_plugin_dir="failed"
233       wsprefix=none
234       for i in "${prefix}" /usr/local /usr `echo $PATH | tr : " "`; do
235         if test -x "$i/bin/tshark"; then
236            wsprefix=$i
237            break
238         fi
239       done
240       if test "$wsprefix" != none; then
241         wsbin=$wsprefix/bin/tshark
242         wsver=`$wsbin -v | sed ['s/^[^ ]* \([0-9A-Za-z.]*\).*$/\1/;q']`
243         dir=$wsprefix/lib/wireshark/plugins
244         test -d "$dir/$wsver" && dir="$dir/$wsver"
245         if test -d "$dir"; then
246           mdw_cv_wireshark_plugin_dir=$dir
247         fi
248       fi
249     ])
250     case $mdw_cv_wireshark_plugin_dir in
251       failed) haveshark=no ;;
252       *) wireshark_plugindir=$mdw_cv_wireshark_plugin_dir ;;
253     esac
254 esac
255
256 dnl If we're still interested, find Glib.
257 case "$haveshark" in
258   yes) AM_PATH_GLIB_2_0([2.4.0], [], [haveshark=false], [gmodule]) ;;
259 esac
260
261 dnl Find the include directory.  This would be much easier if they just
262 dnl provided a pkg-config file.
263 case "$haveshark" in
264   yes)
265     bad=yes
266     mdw_CFLAGS=$CFLAGS
267     wsprefix=`echo $wireshark_plugindir | sed 's:/lib/.*$::'`
268     AC_CACHE_CHECK([how to find the Wireshark headers],
269                    [mdw_cv_wireshark_includes], [
270       mdw_cv_wireshark_includes=failed
271       for i in \
272           "" \
273           "-I${wsprefix}/include/wireshark" \
274           "-I${wsprefix}/include" \
275           "-I${prefix}/include/wireshark" \
276           "-I${prefix}/include" \
277           "-I/usr/include/wireshark" \
278           "-I/usr/local/include/wireshark" \
279           "-I/usr/local/include"; do
280         CFLAGS="$GLIB_CFLAGS $i"
281         AC_TRY_COMPILE([
282 #include <netinet/in.h>
283 #include <glib.h>
284 #include <wireshark/config.h>
285 #include <wireshark/epan/packet.h>],
286         [dissector_handle_t dh; dh = create_dissector_handle(0, 0);],
287         [bad=no; break])
288       done
289       case "$bad" in
290         no) mdw_cv_wireshark_includes=$i ;;
291       esac
292       CFLAGS=$mdw_CFLAGS
293     ])
294     case "$mdw_cv_wireshark_includes" in
295       failed) haveshark=no ;;
296     esac
297 esac
298
299 case "$haveshark,$needshark" in
300   no,yes)
301     AC_MSG_ERROR([failed to configure Wireshark plugin])
302     ;;
303   yes,*)
304     WIRESHARK_CFLAGS="$GLIB_CFLAGS $mdw_cv_wireshark_includes"
305     AC_SUBST(WIRESHARK_CFLAGS)
306     AC_SUBST(wireshark_plugindir)
307     ;;
308 esac
309
310 AM_CONDITIONAL([HAVE_WIRESHARK], [test "$haveshark" = yes])
311
312 dnl--------------------------------------------------------------------------
313 dnl Produce output.
314
315 CFLAGS=$mdw_ORIG_CFLAGS
316 CPPFLAGS=$mdw_ORIG_CPPFLAGS
317
318 AC_CONFIG_HEADER([config/config.h])
319 AC_CONFIG_TESTDIR([t])
320
321 AC_CONFIG_FILES(
322   [Makefile]
323   [common/Makefile]
324   [uslip/Makefile]
325   [pathmtu/Makefile]
326   [client/Makefile]
327   [priv/Makefile]
328   [server/Makefile]
329   [proxy/Makefile]
330   [pkstream/Makefile]
331   [wireshark/Makefile]
332   [init/Makefile]
333   [py/Makefile]
334   [peerdb/Makefile]
335   [keys/Makefile]
336   [svc/Makefile]
337   [mon/Makefile]
338   [t/Makefile t/atlocal])
339 AC_OUTPUT
340
341 dnl ----- That's all, folks -------------------------------------------------