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/cvs/gvpe/configure.ac
Revision: 1.60
Committed: Wed Jul 10 01:51:40 2013 UTC (10 years, 10 months ago) by root
Branch: MAIN
Changes since 1.59: +1 -4 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 dnl Process this file with autoconf to produce a configure script.
2
3 AC_PREREQ(2.69)
4 AC_INIT
5 AC_CONFIG_SRCDIR([src/gvpe.C])
6 AC_CANONICAL_TARGET
7 AM_INIT_AUTOMAKE(gvpe, 2.24)
8 AC_CONFIG_HEADERS([config.h])
9 AM_MAINTAINER_MODE
10
11 AH_TOP([
12 #ifndef CONFIG_H__
13 #define CONFIG_H__
14
15 #ifdef __cplusplus
16 using namespace std;
17 #endif
18
19 ])
20
21 AH_BOTTOM([
22 typedef unsigned char u8;
23 typedef signed char s8;
24
25 #if __CYGWIN__
26
27 typedef unsigned short u16;
28 typedef unsigned int u32;
29 typedef signed short s16;
30 typedef signed int s32;
31
32 #else
33 #include <inttypes.h>
34
35 /* old modula-2 habits */
36 typedef uint16_t u16;
37 typedef uint32_t u32;
38 typedef int16_t s16;
39 typedef int32_t s32;
40 #endif
41
42 #endif
43
44 #if HAVE_CLOCALE
45 # define CLOCALE <clocale>
46 #else
47 # define CLOCALE <locale.h>
48 #endif
49 ])
50
51 AM_GNU_GETTEXT([external])
52 AM_GNU_GETTEXT_VERSION(0.11.5)
53
54 # Enable GNU extensions.
55 # Define this here, not in acconfig's @TOP@ section, since definitions
56 # in the latter don't make it into the configure-time tests.
57 AC_DEFINE([_GNU_SOURCE], 1, [Enable GNU extensions])
58
59 # do NOT define POSIX_SOURCE, sicne this clashes with many BSDs
60 dnl AC_DEFINE([_POSIX_SOURCE], 1, [Enable POSIX 1003.1 extensions])
61 dnl AC_DEFINE([_XOPEN_SOURCE], 500, [Enable XOPEN extensions])
62
63 ALL_LINGUAS=""
64
65 dnl Checks for programs.
66 AC_PROG_CPP
67 AC_PROG_CXX
68 AC_PROG_GCC_TRADITIONAL
69 AC_PROG_AWK
70 AC_PROG_INSTALL
71 AC_PROG_LN_S
72 AC_PROG_MAKE_SET
73 AC_PROG_RANLIB
74
75 AC_ARG_ENABLE(iftype,
76 [AS_HELP_STRING(--enable-iftype=TYPE/SUBTYPE,
77 Use kernel/net device interface TYPE/SUBTYPE.
78 Working combinations are (see doc/gvpe.osdep.5.pod):
79 "native/linux"
80 "tincd/linux"
81 "tincd/netbsd"
82 "tincd/freebsd"
83 "tincd/openbsd"
84 "native/darwin"
85 "tincd/darwin"
86 "native/cygwin";
87 Untested combinations are:
88 "tincd/bsd"
89 "tincd/solaris"
90 "tincd/mingw"
91 "tincd/raw_socket"
92 "tincd/uml_socket";
93 Broken combinations are:
94 "tincd/cygwin";
95 The default is to autodetect.
96 )],
97 [
98 IFTYPE=`echo $enableval | sed s%/.*%%`
99 IFSUBTYPE=`echo $enableval | sed s%.*/%%`
100 ]
101 )
102
103 dnl Check and set OS
104 AC_MSG_CHECKING(for kernel networking interface type)
105
106 if test "x$IFTYPE" = "x"; then
107 case $target_os in
108 *linux*)
109 IFTYPE=native
110 IFSUBTYPE=linux
111 AC_DEFINE(HAVE_LINUX, 1, [Linux])
112 ;;
113 *freebsd*)
114 IFTYPE=tincd
115 IFSUBTYPE=freebsd
116 AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD])
117 ;;
118 *darwin*)
119 IFTYPE=native
120 IFSUBTYPE=darwin
121 AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)])
122 ;;
123 *solaris*)
124 IFTYPE=tincd
125 IFSUBTYPE=solaris
126 AC_DEFINE(HAVE_SOLARIS, 1, [Solaris/SunOS])
127 ;;
128 *openbsd*)
129 IFTYPE=tincd
130 IFSUBTYPE=openbsd
131 AC_DEFINE(HAVE_OPENBSD, 1, [OpenBSD])
132 ;;
133 *netbsd*)
134 IFTYPE=tincd
135 IFSUBTYPE=netbsd
136 AC_DEFINE(HAVE_NETBSD, 1, [NetBSD])
137 ;;
138 *cygwin*)
139 IFTYPE=native
140 IFSUBTYPE=cygwin
141 AC_DEFINE(HAVE_CYGWIN, 1, [Cygwin])
142 ;;
143 *)
144 AC_MSG_ERROR("Unknown operating system.")
145 ;;
146 esac
147 fi
148 AC_MSG_RESULT($IFTYPE/$IFSUBTYPE)
149 AC_SUBST(IFTYPE,$IFTYPE)
150 AC_SUBST(IFSUBTYPE,$IFSUBTYPE)
151 AC_DEFINE_UNQUOTED(IFTYPE,"$IFTYPE",[kernel interface type])
152 AC_DEFINE_UNQUOTED(IFSUBTYPE,"$IFSUBTYPE",[kernel interface subtype])
153
154 AC_CACHE_SAVE
155
156 dnl Checks for libraries.
157
158 AC_LANG(C++)
159 AC_CHECK_HEADERS(tr1/unordered_map ext/hash_map clocale)
160
161 dnl Checks for header files.
162 AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h malloc.h stdint.h strings.h syslog.h unistd.h \
163 sys/file.h sys/ioctl.h sys/param.h sys/time.h netinet/in_systm.h sys/cygwin.h \
164 sys/mman.h netinet/in.h])
165 AC_CHECK_HEADERS([arpa/inet.h net/ethernet.h net/if.h netinet/ip.h netinet/tcp.h netinet/in_systm.h], [], [],
166 [
167 #include <sys/types.h>
168 #include <sys/socket.h>
169 #ifdef HAVE_NETINET_IN_H
170 # include <netinet/in.h>
171 #endif
172 #ifdef HAVE_ARPA_INET_H
173 # include <arpa/inet.h>
174 #endif
175 #ifdef HAVE_NETINET_IN_SYSTM_H
176 # include <netinet/in_systm.h>
177 #endif
178 ])
179
180 dnl Checks for typedefs, structures, and compiler characteristics.
181 AC_C_CONST
182 AC_TYPE_PID_T
183 AC_TYPE_SIZE_T
184 AC_HEADER_TIME
185 AC_STRUCT_TM
186
187 AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t,
188 [
189 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
190 #include <sys/socket.h>]], [[socklen_t len = 42; return len;]])],[ac_cv_type_socklen_t=yes],[ac_cv_type_socklen_t=no])
191 ])
192 if test $ac_cv_type_socklen_t = yes; then
193 AC_DEFINE(HAVE_SOCKLEN_T, 1, [socklen_t available])
194 fi
195
196 AC_CACHE_CHECK([for struct addrinfo], ac_cv_struct_addrinfo,
197 [
198 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
199 #include <sys/socket.h>
200 #include <netdb.h>]], [[struct addrinfo ai; ai.ai_family = AF_INET; return ai.ai_family;]])],[ac_cv_struct_addrinfo=yes],[ac_cv_struct_addrinfo=no])
201 ])
202 if test $ac_cv_struct_addrinfo = yes; then
203 AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1, [struct addrinfo available])
204 fi
205
206 dnl Checks for library functions.
207 AC_TYPE_SIGNAL
208
209 AC_LANG_PUSH(C)
210
211 AC_HEADER_STDC
212
213 dnl argl, could somebody catapult darwin into the 21st century???
214 AC_CHECK_FUNCS(asprintf daemon get_current_dir_name putenv select strerror strsignal strtol unsetenv mlockall)
215
216 AC_FUNC_ALLOCA
217
218 dnl Support for SunOS
219
220 AC_CHECK_FUNC(socket, [], [
221 AC_CHECK_LIB(socket, connect)
222 ])
223 AC_CHECK_FUNC(gethostbyname, [], [
224 AC_CHECK_LIB(nsl, gethostbyname)
225 ])
226
227 dnl libev support
228 m4_include([libev/libev.m4])
229
230 AC_LANG_POP
231
232 dnl AC_CHECK_FUNCS([freeaddrinfo gai_strerror getaddrinfo getnameinfo])
233
234 AC_CACHE_SAVE
235
236 dnl These are defined in files in m4/
237 tinc_TUNTAP
238
239 tinc_OPENSSL
240 if test "x$openssl_include" != x; then
241 CXXFLAGS="$CXXFLAGS -I$openssl_include"
242 fi
243 dnl tinc_ZLIB
244
245 AC_ARG_ENABLE(threads,
246 [AS_HELP_STRING(--enable-threads,try to use threads for long-running asynchronous operations (default enabled).)],
247 [try_threads=$enableval],
248 [try_threads=yes]
249 )
250
251 if test "x$try_threads" = xyes; then
252 AC_CHECK_HEADER(pthread.h,[
253 LIBS="$LIBS -lpthread"
254 AC_COMPILE_IFELSE(
255 [AC_LANG_PROGRAM([#include <pthread.h>], [pthread_t id; pthread_create (&id, 0, 0, 0);])],
256 [AC_DEFINE_UNQUOTED(ENABLE_PTHREADS, 1, [POSIX thread support.])]
257 )
258 ])
259 fi
260
261 AC_ARG_ENABLE(static-daemon,
262 [AS_HELP_STRING(--enable-static-daemon,enable statically linked daemon.)],
263 [LDFLAGS_DAEMON=-static]
264 )
265 AC_SUBST(LDFLAGS_DAEMON)
266
267 dnl AC_ARG_ENABLE(rohc,
268 dnl [AS_HELP_STRING(--enable-rohc,enable robust header compression (rfc3095).)],
269 dnl [
270 dnl echo
271 dnl echo "**********************************************************************"
272 dnl echo "**********************************************************************"
273 dnl echo "**** --enable-rohc is highly experimental, do not use ****************"
274 dnl echo "**********************************************************************"
275 dnl echo "**********************************************************************"
276 dnl echo
277 dnl rohc=true
278 dnl AC_DEFINE_UNQUOTED(ENABLE_ROHC, 1, [ROHC support])
279 dnl ]
280 dnl )
281
282 AM_CONDITIONAL(ROHC, test x$rohc = xtrue)
283
284 dnl AC_ARG_ENABLE(bridging,
285 dnl [AS_HELP_STRING(--enable-bridging,enable bridging support (default disabled).)],
286 dnl AC_DEFINE_UNQUOTED(ENABLE_BRIDGING, 1, [bridging support.])
287 dnl )
288
289 ICMP=1
290 AC_ARG_ENABLE(icmp,
291 [AS_HELP_STRING(--disable-icmp,enable icmp protocol support (default enabled).)],
292 if test "x$enableval" = xno; then
293 ICMP=0
294 fi
295 )
296 if test "x$ICMP" = x1; then
297 AC_DEFINE_UNQUOTED(ENABLE_ICMP, 1, [ICMP protocol support.])
298 fi
299
300 TCP=1
301 AC_ARG_ENABLE(tcp,
302 [AS_HELP_STRING(--disable-tcp,enable tcp protocol support (default enabled).)],
303 if test "x$enableval" = xno; then
304 TCP=0
305 fi
306 )
307 if test "x$TCP" = x1; then
308 AC_DEFINE_UNQUOTED(ENABLE_TCP, 1, [TCP protocol support.])
309 fi
310
311 HTTP=1
312 AC_ARG_ENABLE(http-proxy,
313 [AS_HELP_STRING(--disable-http-proxy,enable http proxy connect support (default enabled).)],
314 if test "x$enableval" = xno; then
315 HTTP=0
316 fi
317 )
318 if test "x$HTTP" = x1; then
319 AC_DEFINE_UNQUOTED(ENABLE_HTTP_PROXY, 1, [http proxy connect support.])
320 fi
321
322 AC_ARG_ENABLE(dns,
323 [AS_HELP_STRING(--enable-dns,enable dns tunnel protocol support (default disabled).)],
324 [
325 AC_CHECK_HEADER(gmp.h,,[AC_MSG_ERROR([gmp.h not found, required for --enable-dns])])
326 AC_CHECK_LIB(gmp,main,,[AC_MSG_ERROR([libgmp not found, required for --enable-dns])])
327
328 AC_DEFINE_UNQUOTED(ENABLE_DNS, 1, [DNS tunnel protocol support.])
329 ]
330 )
331
332 HMAC=12
333 AC_ARG_ENABLE(hmac-length,
334 [AS_HELP_STRING(--enable-hmac-length=BYTES,[
335 use a hmac of length BYTES bytes (default 12). Allowed values are 4, 8, 12, 16.])],
336 HMAC=$enableval
337 )
338 AC_DEFINE_UNQUOTED(HMACLENGTH, $HMAC, [Size of HMAC in each packet in bytes.])
339
340 RAND=8
341 AC_ARG_ENABLE(rand-length,
342 [AS_HELP_STRING(--enable-rand-length=BYTES,
343 [use BYTES bytes of extra randomness (default 8). Allowed values are 0, 4, 8.])],
344 RAND=$enableval
345 )
346 AC_DEFINE_UNQUOTED(RAND_SIZE, $RAND, [Add this many bytes of randomness to each packet.])
347
348 MTU=1500
349 AC_ARG_ENABLE(max-mtu,
350 [AS_HELP_STRING(--enable-max-mtu=BYTES,enable mtu sizes upto BYTES bytes (default 1500). Use 9100 for jumbogram support.)],
351 MTU=$enableval
352 )
353 AC_DEFINE_UNQUOTED(MAX_MTU, ($MTU + 14), [Maximum MTU supported.])
354
355 COMPRESS=1
356 AC_ARG_ENABLE(compression,
357 [AS_HELP_STRING(--disable-compression,Disable compression support.)],
358 if test "x$enableval" = xno; then
359 COMPRESS=0
360 fi
361 )
362 AC_DEFINE_UNQUOTED(ENABLE_COMPRESSION, $COMPRESS, [Enable compression support.])
363
364 CIPHER=aes_128_cbc
365 AC_ARG_ENABLE(cipher,
366 [AS_HELP_STRING(--enable-cipher=CIPHER,[
367 Select the symmetric cipher (default "aes-128").
368 Must be one of "bf" (blowfish), "aes-128" (rijndael), "aes-192" or "aes-256".])],
369 if test "x$enableval" = xbf ; then CIPHER=bf_cbc ; fi
370 if test "x$enableval" = xaes-128; then CIPHER=aes_128_cbc; fi
371 if test "x$enableval" = xaes-192; then CIPHER=aes_192_cbc; fi
372 if test "x$enableval" = xaes-256; then CIPHER=aes_256_cbc; fi
373 )
374 AC_DEFINE_UNQUOTED(ENABLE_CIPHER, EVP_${CIPHER}, [Select the symmetric cipher to use.])
375
376 DIGEST=ripemd160
377 AC_ARG_ENABLE(digest,
378 [AS_HELP_STRING(--enable-digest=CIPHER,[
379 Select the digest algorithm to use (default "ripemd160"). Must be one of
380 "sha512", "sha256", "sha1" (somewhat insecure), "ripemd160", "md5" (insecure) or "md4" (insecure).])],
381 if test "x$enableval" = xsha512 ; then DIGEST=sha512 ; fi
382 if test "x$enableval" = xsha256 ; then DIGEST=sha256 ; fi
383 if test "x$enableval" = xsha1 ; then DIGEST=sha1 ; fi
384 if test "x$enableval" = xripemd160; then DIGEST=ripemd160; fi
385 if test "x$enableval" = xmd5 ; then DIGEST=md5 ; fi
386 if test "x$enableval" = xmd4 ; then DIGEST=md4 ; fi
387 )
388 AC_DEFINE_UNQUOTED(ENABLE_DIGEST, EVP_${DIGEST}, [Select the digest algorithm to use.])
389
390 if $CXX -v --help 2>&1 | grep -q fno-rtti; then
391 CXXFLAGS="$CXXFLAGS -fno-rtti"
392 fi
393
394 #if $CXX -v --help 2>&1 | grep -q fexceptions; then
395 # CXXFLAGS="$CXXFLAGS -fno-exceptions"
396 #fi
397
398 LIBS="$EXTRA_LIBS $LIBS"
399
400 dnl if $CXX -v --help 2>&1 | grep -q ffunction-sections; then
401 dnl CXXFLAGS="$CXXFLAGS -ffunction-sections"
402 dnl fi
403 dnl
404 dnl if $LD -v --help 2>&1 | grep -q gc-sections; then
405 dnl LDFLAGS="$LDFLAGS -Wl,--gc-sections"
406 dnl fi
407
408 AC_SUBST(INCLUDES)
409
410 AC_CONFIG_FILES([Makefile po/Makefile.in
411 src/Makefile
412 doc/Makefile
413 lib/Makefile
414 m4/Makefile
415 ])
416 AC_OUTPUT
417
418 echo
419 echo "***"
420 echo "*** Configuration Summary"
421 echo "***"
422 echo "*** Kernel Iface: $IFTYPE/$IFSUBTYPE"
423 echo "*** Cipher used: $CIPHER"
424 echo "*** Digest used: $DIGEST"
425 echo "*** HMAC length: $HMAC"
426 echo "*** RAND used: $RAND"
427 echo "*** Max. MTU: $MTU"
428
429 echo "***"
430 echo "*** Enable options:"
431 grep ENABLE_ config.h | sed -e 's/^/*** /'
432
433 if test "x$DIGEST" = xmd4; then
434 echo "***"
435 echo "*** WARNING: The digest you have chosen ($DIGEST) is known to be insecure"
436 fi
437
438 if test "x$DIGEST" = xmd5; then
439 echo "***"
440 echo "*** WARNING: The digest you have chosen ($DIGEST) is probably insecure"
441 fi
442
443 if test "$HMAC" -lt 12; then
444 echo "***"
445 echo "*** WARNING: The hmac length you have chosen ($HMAC) is probably insecure"
446 fi
447
448 if test "$RAND" -lt 8; then
449 echo "***"
450 echo "*** WARNING: The random prefix you have chosen ($RAND) is probably insecure"
451 fi
452
453 echo "***"
454 echo
455
456