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Comparing gvpe/configure.ac (file contents):
Revision 1.1 by pcg, Sat Mar 1 15:53:02 2003 UTC vs.
Revision 1.55 by pcg, Sat Jul 18 05:59:16 2009 UTC

1dnl Process this file with autoconf to produce a configure script. 1dnl Process this file with autoconf to produce a configure script.
2 2
3AC_PREREQ(2.57) 3AC_PREREQ(2.59)
4AC_INIT(src/vped.C) 4AC_INIT
5AC_CONFIG_SRCDIR([src/gvpe.C])
5AC_CANONICAL_TARGET 6AC_CANONICAL_TARGET
6AM_INIT_AUTOMAKE(vpe, 0.1) 7AM_INIT_AUTOMAKE(gvpe, 2.22)
7AM_CONFIG_HEADER(config.h) 8AC_CONFIG_HEADERS([config.h])
8AM_MAINTAINER_MODE 9AM_MAINTAINER_MODE
9 10
10AH_TOP([ 11AH_TOP([
11#ifndef CONFIG_H__ 12#ifndef CONFIG_H__
12#define CONFIG_H__ 13#define CONFIG_H__
… …
16#endif 17#endif
17 18
18]) 19])
19 20
20AH_BOTTOM([ 21AH_BOTTOM([
22typedef unsigned char u8;
23typedef signed char s8;
24
21#if __CYGWIN__ 25#if __CYGWIN__
22 26
23typedef unsigned char u8;
24typedef unsigned short u16; 27typedef unsigned short u16;
25typedef unsigned int u32; 28typedef unsigned int u32;
29typedef signed short s16;
30typedef signed int s32;
26 31
27#else 32#else
28#include <inttypes.h> 33#include <inttypes.h>
29 34
30/* old modula-2 habits */ 35/* old modula-2 habits */
31typedef unsigned char u8;
32typedef uint16_t u16; 36typedef uint16_t u16;
33typedef uint32_t u32; 37typedef uint32_t u32;
38typedef int16_t s16;
39typedef int32_t s32;
34#endif 40#endif
35 41
42#endif
43
44#if HAVE_CLOCALE
45# define CLOCALE <clocale>
46#else
47# define CLOCALE <locale.h>
36#endif 48#endif
37]) 49])
38 50
39dnl Include the macros from the m4/ directory 51dnl Include the macros from the m4/ directory
40AM_ACLOCAL_INCLUDE(m4) 52AM_ACLOCAL_INCLUDE(m4)
… …
43AM_GNU_GETTEXT_VERSION(0.11.5) 55AM_GNU_GETTEXT_VERSION(0.11.5)
44 56
45# Enable GNU extensions. 57# Enable GNU extensions.
46# Define this here, not in acconfig's @TOP@ section, since definitions 58# Define this here, not in acconfig's @TOP@ section, since definitions
47# in the latter don't make it into the configure-time tests. 59# in the latter don't make it into the configure-time tests.
48AC_DEFINE([_GNU_SOURCE], 1, [Enable GNU extenstions]) 60AC_DEFINE([_GNU_SOURCE], 1, [Enable GNU extensions])
49AC_DEFINE([__USE_BSD], 1, [Enable BSD extensions]) 61
62# do NOT define POSIX_SOURCE, sicne this clashes with many BSDs
63dnl AC_DEFINE([_POSIX_SOURCE], 1, [Enable POSIX 1003.1 extensions])
64dnl AC_DEFINE([_XOPEN_SOURCE], 500, [Enable XOPEN extensions])
50 65
51ALL_LINGUAS="" 66ALL_LINGUAS=""
52 67
53dnl Checks for programs. 68dnl Checks for programs.
54AC_PROG_CC
55AC_PROG_CPP 69AC_PROG_CPP
56AC_PROG_CXX 70AC_PROG_CXX
57AC_PROG_GCC_TRADITIONAL 71AC_PROG_GCC_TRADITIONAL
58AC_PROG_AWK 72AC_PROG_AWK
59AC_PROG_INSTALL 73AC_PROG_INSTALL
60AC_PROG_LN_S 74AC_PROG_LN_S
61AC_PROG_MAKE_SET 75AC_PROG_MAKE_SET
62AC_PROG_RANLIB 76AC_PROG_RANLIB
63 77
64AC_ISC_POSIX 78AC_ARG_ENABLE(iftype,
79 [AS_HELP_STRING(--enable-iftype=TYPE/SUBTYPE,
80 Use kernel/net device interface TYPE/SUBTYPE.
81 Working combinations are (see doc/gvpe.osdep.5.pod):
82 "native/linux"
83 "tincd/linux"
84 "tincd/netbsd"
85 "tincd/freebsd"
86 "tincd/openbsd"
87 "native/darwin"
88 "tincd/darwin"
89 "native/cygwin";
90 Untested combinations are:
91 "tincd/bsd"
92 "tincd/solaris"
93 "tincd/mingw"
94 "tincd/raw_socket"
95 "tincd/uml_socket";
96 Broken combinations are:
97 "tincd/cygwin";
98 The default is to autodetect.
99 )],
100 [
101 IFTYPE=`echo $enableval | sed s%/.*%%`
102 IFSUBTYPE=`echo $enableval | sed s%.*/%%`
103 ]
104)
65 105
66m4_if([
67dnl Check and set OS 106dnl Check and set OS
107AC_MSG_CHECKING(for kernel networking interface type)
68 108
109if test "x$IFTYPE" = "x"; then
69case $target_os in 110 case $target_os in
70 *linux*) 111 *linux*)
112 IFTYPE=native
113 IFSUBTYPE=linux
71 AC_DEFINE(HAVE_LINUX, 1, [Linux]) 114 AC_DEFINE(HAVE_LINUX, 1, [Linux])
72 [ rm -f src/device.c; ln -sf linux/device.c src/device.c ] 115 ;;
73 ;;
74 *freebsd*) 116 *freebsd*)
117 IFTYPE=tincd
118 IFSUBTYPE=freebsd
75 AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD]) 119 AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD])
76 [ rm -f src/device.c; ln -sf freebsd/device.c src/device.c ] 120 ;;
77 ;;
78 *darwin*) 121 *darwin*)
122 IFTYPE=native
123 IFSUBTYPE=darwin
79 AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)]) 124 AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)])
80 [ rm -f src/device.c; ln -sf darwin/device.c src/device.c ] 125 ;;
81 ;;
82 *solaris*) 126 *solaris*)
127 IFTYPE=tincd
128 IFSUBTYPE=solaris
83 AC_DEFINE(HAVE_SOLARIS, 1, [Solaris/SunOS]) 129 AC_DEFINE(HAVE_SOLARIS, 1, [Solaris/SunOS])
84 [ rm -f src/device.c; ln -sf solaris/device.c src/device.c ] 130 ;;
85 ;;
86 *openbsd*) 131 *openbsd*)
132 IFTYPE=tincd
133 IFSUBTYPE=openbsd
87 AC_DEFINE(HAVE_OPENBSD, 1, [OpenBSD]) 134 AC_DEFINE(HAVE_OPENBSD, 1, [OpenBSD])
88 [ rm -f src/device.c; ln -sf openbsd/device.c src/device.c ] 135 ;;
89 ;;
90 *netbsd*) 136 *netbsd*)
137 IFTYPE=tincd
138 IFSUBTYPE=netbsd
91 AC_DEFINE(HAVE_NETBSD, 1, [NetBSD]) 139 AC_DEFINE(HAVE_NETBSD, 1, [NetBSD])
92 [ rm -f src/device.c; ln -sf netbsd/device.c src/device.c ] 140 ;;
93 ;;
94 *cygwin*) 141 *cygwin*)
142 IFTYPE=native
143 IFSUBTYPE=cygwin
95 AC_DEFINE(HAVE_CYGWIN, 1, [Cygwin]) 144 AC_DEFINE(HAVE_CYGWIN, 1, [Cygwin])
96 [ rm -f src/device.c; ln -sf cygwin/device.c src/device.c ] 145 ;;
97 ;; 146 *)
98 *)
99 AC_MSG_ERROR("Unknown operating system.") 147 AC_MSG_ERROR("Unknown operating system.")
100 ;; 148 ;;
101esac 149 esac
102]) 150fi
151AC_MSG_RESULT($IFTYPE/$IFSUBTYPE)
152AC_SUBST(IFTYPE,$IFTYPE)
153AC_SUBST(IFSUBTYPE,$IFSUBTYPE)
154AC_DEFINE_UNQUOTED(IFTYPE,"$IFTYPE",[kernel interface type])
155AC_DEFINE_UNQUOTED(IFSUBTYPE,"$IFSUBTYPE",[kernel interface subtype])
103 156
104AC_CACHE_SAVE 157AC_CACHE_SAVE
105 158
106dnl Checks for libraries. 159dnl Checks for libraries.
107 160
108AC_LANG(C++) 161AC_LANG(C++)
109AC_CHECK_HEADERS(ext/hash_map) 162AC_CHECK_HEADERS(tr1/unordered_map ext/hash_map clocale)
110 163
111dnl Checks for header files. 164dnl Checks for header files.
112AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h malloc.h stdint.h strings.h syslog.h unistd.h \ 165AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h malloc.h stdint.h strings.h syslog.h unistd.h \
113 sys/file.h sys/ioctl.h sys/param.h sys/time.h netinet/in_systm.h cygwin.h]) 166 sys/file.h sys/ioctl.h sys/param.h sys/time.h netinet/in_systm.h sys/cygwin.h \
167 sys/mman.h netinet/in.h])
114AC_CHECK_HEADERS([net/ethernet.h net/if.h netinet/ip.h netinet/tcp.h], [], [], 168AC_CHECK_HEADERS([arpa/inet.h net/ethernet.h net/if.h netinet/ip.h netinet/tcp.h netinet/in_systm.h], [], [],
169[
115 [#include <sys/types.h> 170#include <sys/types.h>
116 #include <sys/socket.h> 171#include <sys/socket.h>
172#ifdef HAVE_NETINET_IN_H
173# include <netinet/in.h>
174#endif
175#ifdef HAVE_ARPA_INET_H
176# include <arpa/inet.h>
177#endif
117 #ifdef HAVE_NETINET_IN_SYSTM_H 178#ifdef HAVE_NETINET_IN_SYSTM_H
118 #include <netinet/in_systm.h> 179# include <netinet/in_systm.h>
119 #endif]) 180#endif
181])
120 182
121dnl Checks for typedefs, structures, and compiler characteristics. 183dnl Checks for typedefs, structures, and compiler characteristics.
122AC_C_CONST 184AC_C_CONST
123AC_TYPE_PID_T 185AC_TYPE_PID_T
124AC_TYPE_SIZE_T 186AC_TYPE_SIZE_T
125AC_HEADER_TIME 187AC_HEADER_TIME
126AC_STRUCT_TM 188AC_STRUCT_TM
127 189
128AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t, 190AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t,
129[ 191[
130 AC_TRY_COMPILE( 192 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
131 [#include <sys/types.h> 193 #include <sys/socket.h>]], [[socklen_t len = 42; return len;]])],[ac_cv_type_socklen_t=yes],[ac_cv_type_socklen_t=no])
132 #include <sys/socket.h>],
133 [socklen_t len = 42; return len;],
134 ac_cv_type_socklen_t=yes,
135 ac_cv_type_socklen_t=no)
136]) 194])
137if test $ac_cv_type_socklen_t = yes; then 195if test $ac_cv_type_socklen_t = yes; then
138 AC_DEFINE(HAVE_SOCKLEN_T, 1, [socklen_t available]) 196 AC_DEFINE(HAVE_SOCKLEN_T, 1, [socklen_t available])
139fi 197fi
140 198
141AC_CACHE_CHECK([for struct addrinfo], ac_cv_struct_addrinfo, 199AC_CACHE_CHECK([for struct addrinfo], ac_cv_struct_addrinfo,
142[ 200[
143 AC_TRY_COMPILE( 201 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
144 [#include <sys/types.h>
145 #include <sys/socket.h> 202 #include <sys/socket.h>
146 #include <netdb.h>], 203 #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])
147 [struct addrinfo ai; ai.ai_family = AF_INET; return ai.ai_family;],
148 ac_cv_struct_addrinfo=yes,
149 ac_cv_struct_addrinfo=no)
150]) 204])
151if test $ac_cv_struct_addrinfo = yes; then 205if test $ac_cv_struct_addrinfo = yes; then
152 AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1, [struct addrinfo available]) 206 AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1, [struct addrinfo available])
153fi 207fi
154 208
… …
157 211
158AC_LANG_PUSH(C) 212AC_LANG_PUSH(C)
159 213
160AC_HEADER_STDC 214AC_HEADER_STDC
161 215
216dnl argl, could somebody catapult darwin into the 21st century???
162AC_CHECK_FUNCS(asprintf daemon get_current_dir_name putenv select strerror strsignal strtol unsetenv mlockall) 217AC_CHECK_FUNCS(asprintf daemon get_current_dir_name putenv select strerror strsignal strtol unsetenv mlockall)
163 218
164AC_FUNC_ALLOCA 219AC_FUNC_ALLOCA
165 220
166dnl Support for SunOS 221dnl Support for SunOS
… …
170]) 225])
171AC_CHECK_FUNC(gethostbyname, [], [ 226AC_CHECK_FUNC(gethostbyname, [], [
172 AC_CHECK_LIB(nsl, gethostbyname) 227 AC_CHECK_LIB(nsl, gethostbyname)
173]) 228])
174 229
230dnl libev support
231m4_include([libev/libev.m4])
232
175AC_LANG_POP 233AC_LANG_POP
176 234
177dnl AC_CHECK_FUNCS([freeaddrinfo gai_strerror getaddrinfo getnameinfo]) 235dnl AC_CHECK_FUNCS([freeaddrinfo gai_strerror getaddrinfo getnameinfo])
178 236
179AC_CACHE_SAVE 237AC_CACHE_SAVE
180 238
181dnl These are defined in files in m4/ 239dnl These are defined in files in m4/
182tinc_TUNTAP 240tinc_TUNTAP
241
183tinc_OPENSSL 242tinc_OPENSSL
243if test "x$openssl_include" != x; then
244 CXXFLAGS="$CXXFLAGS -I$openssl_include"
245fi
184dnl tinc_ZLIB 246dnl tinc_ZLIB
185 247
186HMAC=16 dnl see also the AC_HELP_STRING 248AC_ARG_ENABLE(static-daemon,
249 [AS_HELP_STRING(--enable-static-daemon,enable statically linked daemon.)],
250 [LDFLAGS_DAEMON=-static]
251)
252AC_SUBST(LDFLAGS_DAEMON)
253
254dnl AC_ARG_ENABLE(rohc,
255dnl [AS_HELP_STRING(--enable-rohc,enable robust header compression (rfc3095).)],
256dnl [
257dnl echo
258dnl echo "**********************************************************************"
259dnl echo "**********************************************************************"
260dnl echo "**** --enable-rohc is highly experimental, do not use ****************"
261dnl echo "**********************************************************************"
262dnl echo "**********************************************************************"
263dnl echo
264dnl rohc=true
265dnl AC_DEFINE_UNQUOTED(ENABLE_ROHC, 1, [ROHC support])
266dnl ]
267dnl )
268
269AM_CONDITIONAL(ROHC, test x$rohc = xtrue)
270
271dnl AC_ARG_ENABLE(bridging,
272dnl [AS_HELP_STRING(--enable-bridging,enable bridging support (default disabled).)],
273dnl AC_DEFINE_UNQUOTED(ENABLE_BRIDGING, 1, [bridging support.])
274dnl )
275
276ICMP=1
277AC_ARG_ENABLE(icmp,
278 [AS_HELP_STRING(--disable-icmp,enable icmp protocol support (default enabled).)],
279 if test "x$enableval" = xno; then
280 ICMP=0
281 fi
282)
283if test "x$ICMP" = x1; then
284 AC_DEFINE_UNQUOTED(ENABLE_ICMP, 1, [ICMP protocol support.])
285fi
286
287TCP=1
288AC_ARG_ENABLE(tcp,
289 [AS_HELP_STRING(--disable-tcp,enable tcp protocol support (default enabled).)],
290 if test "x$enableval" = xno; then
291 TCP=0
292 fi
293)
294if test "x$TCP" = x1; then
295 AC_DEFINE_UNQUOTED(ENABLE_TCP, 1, [TCP protocol support.])
296fi
297
298HTTP=1
299AC_ARG_ENABLE(http-proxy,
300 [AS_HELP_STRING(--disable-http-proxy,enable http proxy connect support (default enabled).)],
301 if test "x$enableval" = xno; then
302 HTTP=0
303 fi
304)
305if test "x$HTTP" = x1; then
306 AC_DEFINE_UNQUOTED(ENABLE_HTTP_PROXY, 1, [http proxy connect support.])
307fi
308
309AC_ARG_ENABLE(dns,
310 [AS_HELP_STRING(--enable-dns,enable dns tunnel protocol support (default disabled).)],
311 [
312 AC_CHECK_HEADER(gmp.h,,[AC_MSG_ERROR([gmp.h not found, required for --enable-dns])])
313 AC_CHECK_LIB(gmp,main,,[AC_MSG_ERROR([libgmp not found, required for --enable-dns])])
314
315 AC_DEFINE_UNQUOTED(ENABLE_DNS, 1, [DNS tunnel protocol support.])
316 ]
317)
318
319HMAC=12
187AC_ARG_ENABLE(hmac-length, 320AC_ARG_ENABLE(hmac-length,
188 [AC_HELP_STRING(--enable-hmac-length=BYTES, [use a hmac of length BYTES bytes (default 16). Allowed values are 4, 8, 12, 16.])], 321 [AS_HELP_STRING(--enable-hmac-length=BYTES,[
322 use a hmac of length BYTES bytes (default 12). Allowed values are 4, 8, 12, 16.])],
189 HMAC=$enableval 323 HMAC=$enableval
190) 324)
191AC_DEFINE_UNQUOTED(HMACLENGTH, $HMAC, [Size of HMAC in each packet in bytes.]) 325AC_DEFINE_UNQUOTED(HMACLENGTH, $HMAC, [Size of HMAC in each packet in bytes.])
192 326
193RAND=8 dnl see also the AC_HELP_STRING 327RAND=8
194AC_ARG_ENABLE(rand-length, 328AC_ARG_ENABLE(rand-length,
195 [AC_HELP_STRING(--enable-rand-length=BYTES, [use BYTES bytes of extra randomness (default 8). Allowed values are 0, 4, 8.])], 329 [AS_HELP_STRING(--enable-rand-length=BYTES,
330 [use BYTES bytes of extra randomness (default 8). Allowed values are 0, 4, 8.])],
196 RAND=$enableval 331 RAND=$enableval
197) 332)
198AC_DEFINE_UNQUOTED(RAND_SIZE, $RAND, [Add this many bytes of randomness to each packet.]) 333AC_DEFINE_UNQUOTED(RAND_SIZE, $RAND, [Add this many bytes of randomness to each packet.])
199 334
200MTU=1500 dnl see also the AC_HELP_STRING 335MTU=1500
201AC_ARG_ENABLE(mtu, 336AC_ARG_ENABLE(mtu,
202 [AC_HELP_STRING(--enable-max-mtu=BYTES, enable mtu sizes upto BYTES bytes (default 1500). Use 9100 for jumbogram support.)], 337 [AS_HELP_STRING(--enable-max-mtu=BYTES,enable mtu sizes upto BYTES bytes (default 1500). Use 9100 for jumbogram support.)],
203 MTU=$enableval 338 MTU=$enableval
204) 339)
205AC_DEFINE_UNQUOTED(MAX_MTU, $MTU + 14, [Maximum MTU supported.]) 340AC_DEFINE_UNQUOTED(MAX_MTU, $MTU + 14, [Maximum MTU supported.])
206 341
207COMPRESS=1 342COMPRESS=1
208AC_ARG_ENABLE(compression, 343AC_ARG_ENABLE(compression,
209 [AC_HELP_STRING(--disable-compression, Disable compression support.)], 344 [AS_HELP_STRING(--disable-compression,Disable compression support.)],
210 if test "x$enableval" = xno; then 345 if test "x$enableval" = xno; then
211 COMPRESS=0 346 COMPRESS=0
212 fi 347 fi
213) 348)
214AC_DEFINE_UNQUOTED(ENABLE_COMPRESSION, $COMPRESS, [Enable compression support.]) 349AC_DEFINE_UNQUOTED(ENABLE_COMPRESSION, $COMPRESS, [Enable compression support.])
215 350
216CIPHER=bf_cbc 351CIPHER=aes_128_cbc
217AC_ARG_ENABLE(cipher, 352AC_ARG_ENABLE(cipher,
218 [AC_HELP_STRING(--enable-cipher, [ 353 [AS_HELP_STRING(--enable-cipher=CIPHER,[
219 Select the symmetric cipher (default "bf"). Must be one of 354 Select the symmetric cipher (default "aes-128").
220 "bf" (blowfish), "aes-128", "aes-192" or "aes-256".])], 355 Must be one of "bf" (blowfish), "aes-128" (rijndael), "aes-192" or "aes-256".])],
221 if test "x$enableval" = xbf ; then CIPHER=bf_cbc ; fi 356 if test "x$enableval" = xbf ; then CIPHER=bf_cbc ; fi
222 if test "x$enableval" = xaes-128; then CIPHER=aes_128_cbc; fi 357 if test "x$enableval" = xaes-128; then CIPHER=aes_128_cbc; fi
223 if test "x$enableval" = xaes-192; then CIPHER=aes_192_cbc; fi 358 if test "x$enableval" = xaes-192; then CIPHER=aes_192_cbc; fi
224 if test "x$enableval" = xaes-256; then CIPHER=aes_256_cbc; fi 359 if test "x$enableval" = xaes-256; then CIPHER=aes_256_cbc; fi
225) 360)
226AC_DEFINE_UNQUOTED(ENABLE_CIPHER, EVP_${CIPHER}, [Select the symmetric cipher to use.]) 361AC_DEFINE_UNQUOTED(ENABLE_CIPHER, EVP_${CIPHER}, [Select the symmetric cipher to use.])
227 362
228DIGEST=sha1 363DIGEST=ripemd160
229AC_ARG_ENABLE(digest, 364AC_ARG_ENABLE(digest,
230 [AC_HELP_STRING(--enable-digest, [ 365 [AS_HELP_STRING(--enable-digest=CIPHER,[
231 Select the digets algorithm to use (default "sha1"). Must be one of 366 Select the digest algorithm to use (default "ripemd160"). Must be one of
232 "sha1", "ripemd160", "md4" or "md5".])], 367 "sha512", "sha256", "sha1" (somewhat insecure), "ripemd160", "md5" (insecure) or "md4" (insecure).])],
368 if test "x$enableval" = xsha512 ; then DIGEST=sha512 ; fi
369 if test "x$enableval" = xsha256 ; then DIGEST=sha256 ; fi
233 if test "x$enableval" = xsha1 ; then DIGEST=sha1 ; fi 370 if test "x$enableval" = xsha1 ; then DIGEST=sha1 ; fi
234 if test "x$enableval" = xripemd160; then DIGEST=ripemd160; fi 371 if test "x$enableval" = xripemd160; then DIGEST=ripemd160; fi
372 if test "x$enableval" = xmd5 ; then DIGEST=md5 ; fi
235 if test "x$enableval" = xmd4 ; then DIGEST=md4 ; fi 373 if test "x$enableval" = xmd4 ; then DIGEST=md4 ; fi
236 if test "x$enableval" = xmd5 ; then DIGEST=md5 ; fi
237) 374)
238AC_DEFINE_UNQUOTED(ENABLE_DIGEST, EVP_${DIGEST}, [Select the digest algorithm to use.]) 375AC_DEFINE_UNQUOTED(ENABLE_DIGEST, EVP_${DIGEST}, [Select the digest algorithm to use.])
239
240TRUST=1
241m4_if([
242AC_ARG_ENABLE(trust,
243 [AC_HELP_STRING(--enable-trust, [
244 Make authentication faster but allow decoding by all hosts of a VPN.
245 Use this when the VPN hosts DO trust each other and you don't care
246 wether man-in-the-middle sniffing attacks are possible by admins
247 of other VPN hosts. On pentiums or similar machines this can cut down
248 the time for reconnects by 0.4 seconds or more.])],
249 if test "x$enableval" = xyes; then
250 TRUST=1
251 fi
252)
253])
254AC_DEFINE_UNQUOTED(ENABLE_TRUST, $TRUST, [Faster, but VPN hosts may sniff each others data.])
255 376
256if $CXX -v --help 2>&1 | grep -q fno-rtti; then 377if $CXX -v --help 2>&1 | grep -q fno-rtti; then
257 CXXFLAGS="$CXXFLAGS -fno-rtti" 378 CXXFLAGS="$CXXFLAGS -fno-rtti"
258fi 379fi
259 380
260if $CXX -v --help 2>&1 | grep -q fexceptions; then 381#if $CXX -v --help 2>&1 | grep -q fexceptions; then
261 CXXFLAGS="$CXXFLAGS -fno-exceptions" 382# CXXFLAGS="$CXXFLAGS -fno-exceptions"
262fi 383#fi
263 384
385LIBS="$EXTRA_LIBS $LIBS"
386
264if $CXX -v --help 2>&1 | grep -q ffunction-sections; then 387dnl if $CXX -v --help 2>&1 | grep -q ffunction-sections; then
265 CXXFLAGS="$CXXFLAGS -ffunction-sections" 388dnl CXXFLAGS="$CXXFLAGS -ffunction-sections"
266fi 389dnl fi
267 390dnl
268if $LD -v --help 2>&1 | grep -q gc-sections; then 391dnl if $LD -v --help 2>&1 | grep -q gc-sections; then
269 LDFLAGS="$LDFLAGS -Wl,--gc-sections" 392dnl LDFLAGS="$LDFLAGS -Wl,--gc-sections"
270fi 393dnl fi
271 394
272AC_CONFIG_COMMANDS_POST([ 395AC_SUBST(INCLUDES)
396
397AC_CONFIG_FILES([Makefile po/Makefile.in
398src/Makefile
399doc/Makefile
400lib/Makefile
401m4/Makefile
402])
403AC_OUTPUT
273 404
274echo 405echo
275echo "***" 406echo "***"
276echo "*** Configuration Summary" 407echo "*** Configuration Summary"
277echo "***" 408echo "***"
409echo "*** Kernel Iface: $IFTYPE/$IFSUBTYPE"
278echo "*** Cipher used: $CIPHER" 410echo "*** Cipher used: $CIPHER"
279echo "*** Digest used: $DIGEST" 411echo "*** Digest used: $DIGEST"
280echo "*** HMAC length: $HMAC" 412echo "*** HMAC length: $HMAC"
281echo "*** RAND used: $RAND" 413echo "*** RAND used: $RAND"
282echo "*** Max. MTU: $MTU" 414echo "*** Max. MTU: $MTU"
283echo "*** Compression: $COMPRESS" 415
284dnl echo "*** Trusted Mode: $TRUST" 416echo "***"
417echo "*** Enable options:"
418grep ENABLE_ config.h | sed -e 's/^/*** /'
419
420if test "x$DIGEST" = xmd4; then
421echo "***"
422echo "*** WARNING: The digest you have chosen ($DIGEST) is known to be insecure"
423fi
424
425if test "$HMAC" -lt 12; then
426echo "***"
427echo "*** WARNING: The hmac length you have chosen ($HMAC) is probably insecure"
428fi
429
430if test "$RAND" -lt 8; then
431echo "***"
432echo "*** WARNING: The random prefix you have chosen ($RAND) is probably insecure"
433fi
434
285echo "***" 435echo "***"
286echo 436echo
287 437
288])
289 438
290AC_SUBST(INCLUDES)
291
292AC_OUTPUT(Makefile po/Makefile.in
293src/Makefile
294doc/Makefile
295lib/Makefile
296m4/Makefile
297)

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