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Comparing gvpe/configure.ac (file contents):
Revision 1.6 by pcg, Tue Apr 15 03:48:39 2003 UTC vs.
Revision 1.36 by pcg, Thu Mar 17 23:59:37 2005 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/vped.C])
5AC_CANONICAL_TARGET 6AC_CANONICAL_TARGET
6AM_INIT_AUTOMAKE(vpe, 0.9) 7AM_INIT_AUTOMAKE(gvpe, 1.8)
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
36#endif 42#endif
37]) 43])
38 44
… …
44 50
45# Enable GNU extensions. 51# Enable GNU extensions.
46# Define this here, not in acconfig's @TOP@ section, since definitions 52# Define this here, not in acconfig's @TOP@ section, since definitions
47# in the latter don't make it into the configure-time tests. 53# in the latter don't make it into the configure-time tests.
48AC_DEFINE([_GNU_SOURCE], 1, [Enable GNU extenstions]) 54AC_DEFINE([_GNU_SOURCE], 1, [Enable GNU extenstions])
49AC_DEFINE([__USE_BSD], 1, [Enable BSD extensions]) 55
56# do NOT define POSIX_SOURCE, sicne this clashes with many BSDs
57dnl AC_DEFINE([_POSIX_SOURCE], 1, [Enable POSIX 1003.1 extensions])
58dnl AC_DEFINE([_XOPEN_SOURCE], 500, [Enable XOPEN extensions])
50 59
51ALL_LINGUAS="" 60ALL_LINGUAS=""
52 61
53dnl Checks for programs. 62dnl Checks for programs.
54AC_PROG_CC 63AC_PROG_CC
… …
59AC_PROG_INSTALL 68AC_PROG_INSTALL
60AC_PROG_LN_S 69AC_PROG_LN_S
61AC_PROG_MAKE_SET 70AC_PROG_MAKE_SET
62AC_PROG_RANLIB 71AC_PROG_RANLIB
63 72
64AC_ISC_POSIX 73AC_ARG_ENABLE(iftype,
74 [AS_HELP_STRING(--enable-iftype=TYPE/SUBTYPE,
75 Use kernel/net device interface TYPE/SUBTYPE.
76 Working combinations are:
77 "native/linux"
78 "tincd/linux"
79 "tincd/freebsd"
80 "tincd/openbsd"
81 "tincd/darwin"
82 "native/cygwin";
83 Untested combinations are:
84 "tincd/netbsd"
85 "tincd/solaris"
86 "tincd/mingw"
87 "tincd/raw_socket"
88 "tincd/uml_socket";
89 Broken combinations are:
90 "tincd/cygwin";
91 The default is to autodetect.
92 )],
93 [
94 IFTYPE=`echo $enableval | sed s%/.*%%`
95 IFSUBTYPE=`echo $enableval | sed s%.*/%%`
96 ]
97)
65 98
66m4_if([
67dnl Check and set OS 99dnl Check and set OS
100AC_MSG_CHECKING(for kernel networking interface type)
68 101
102if test "x$IFTYPE" = "x"; then
69case $target_os in 103 case $target_os in
70 *linux*) 104 *linux*)
105 IFTYPE=native
106 IFSUBTYPE=linux
71 AC_DEFINE(HAVE_LINUX, 1, [Linux]) 107 AC_DEFINE(HAVE_LINUX, 1, [Linux])
72 [ rm -f src/device.c; ln -sf linux/device.c src/device.c ] 108 ;;
73 ;;
74 *freebsd*) 109 *freebsd*)
110 IFTYPE=tincd
111 IFSUBTYPE=freebsd
75 AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD]) 112 AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD])
76 [ rm -f src/device.c; ln -sf freebsd/device.c src/device.c ] 113 ;;
77 ;;
78 *darwin*) 114 *darwin*)
115 IFTYPE=tincd
116 IFSUBTYPE=darwin
79 AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)]) 117 AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)])
80 [ rm -f src/device.c; ln -sf darwin/device.c src/device.c ] 118 ;;
81 ;;
82 *solaris*) 119 *solaris*)
120 IFTYPE=tincd
121 IFSUBTYPE=solaris
83 AC_DEFINE(HAVE_SOLARIS, 1, [Solaris/SunOS]) 122 AC_DEFINE(HAVE_SOLARIS, 1, [Solaris/SunOS])
84 [ rm -f src/device.c; ln -sf solaris/device.c src/device.c ] 123 ;;
85 ;;
86 *openbsd*) 124 *openbsd*)
125 IFTYPE=tincd
126 IFSUBTYPE=openbsd
87 AC_DEFINE(HAVE_OPENBSD, 1, [OpenBSD]) 127 AC_DEFINE(HAVE_OPENBSD, 1, [OpenBSD])
88 [ rm -f src/device.c; ln -sf openbsd/device.c src/device.c ] 128 ;;
89 ;;
90 *netbsd*) 129 *netbsd*)
130 IFTYPE=tincd
131 IFSUBTYPE=netbsd
91 AC_DEFINE(HAVE_NETBSD, 1, [NetBSD]) 132 AC_DEFINE(HAVE_NETBSD, 1, [NetBSD])
92 [ rm -f src/device.c; ln -sf netbsd/device.c src/device.c ] 133 ;;
93 ;;
94 *cygwin*) 134 *cygwin*)
135 IFTYPE=native
136 IFSUBTYPE=cygwin
95 AC_DEFINE(HAVE_CYGWIN, 1, [Cygwin]) 137 AC_DEFINE(HAVE_CYGWIN, 1, [Cygwin])
96 [ rm -f src/device.c; ln -sf cygwin/device.c src/device.c ] 138 ;;
97 ;; 139 *)
98 *)
99 AC_MSG_ERROR("Unknown operating system.") 140 AC_MSG_ERROR("Unknown operating system.")
100 ;; 141 ;;
101esac 142 esac
102]) 143fi
144AC_MSG_RESULT($IFTYPE/$IFSUBTYPE)
145AC_SUBST(IFTYPE,$IFTYPE)
146AC_SUBST(IFSUBTYPE,$IFSUBTYPE)
147AC_DEFINE_UNQUOTED(IFTYPE,"$IFTYPE",[kernel interface type])
148AC_DEFINE_UNQUOTED(IFSUBTYPE,"$IFSUBTYPE",[kernel interface subtype])
103 149
104AC_CACHE_SAVE 150AC_CACHE_SAVE
105 151
106dnl Checks for libraries. 152dnl Checks for libraries.
107 153
108AC_LANG(C++) 154AC_LANG(C++)
109AC_CHECK_HEADERS(ext/hash_map) 155AC_CHECK_HEADERS(ext/hash_map)
110 156
111dnl Checks for header files. 157dnl Checks for header files.
112AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h malloc.h stdint.h strings.h syslog.h unistd.h \ 158AC_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]) 159 sys/file.h sys/ioctl.h sys/param.h sys/time.h netinet/in_systm.h sys/cygwin.h \
160 sys/mman.h netinet/in.h])
114AC_CHECK_HEADERS([net/ethernet.h net/if.h netinet/ip.h netinet/tcp.h], [], [], 161AC_CHECK_HEADERS([arpa/inet.h net/ethernet.h net/if.h netinet/ip.h netinet/tcp.h netinet/in_systm.h], [], [],
162[
115 [#include <sys/types.h> 163#include <sys/types.h>
116 #include <sys/socket.h> 164#include <sys/socket.h>
165#ifdef HAVE_NETINET_IN_H
166# include <netinet/in.h>
167#endif
168#ifdef HAVE_ARPA_INET_H
169# include <arpa/inet.h>
170#endif
117 #ifdef HAVE_NETINET_IN_SYSTM_H 171#ifdef HAVE_NETINET_IN_SYSTM_H
118 #include <netinet/in_systm.h> 172# include <netinet/in_systm.h>
119 #endif]) 173#endif
174])
120 175
121dnl Checks for typedefs, structures, and compiler characteristics. 176dnl Checks for typedefs, structures, and compiler characteristics.
122AC_C_CONST 177AC_C_CONST
123AC_TYPE_PID_T 178AC_TYPE_PID_T
124AC_TYPE_SIZE_T 179AC_TYPE_SIZE_T
125AC_HEADER_TIME 180AC_HEADER_TIME
126AC_STRUCT_TM 181AC_STRUCT_TM
127 182
128AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t, 183AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t,
129[ 184[
130 AC_TRY_COMPILE( 185 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
131 [#include <sys/types.h> 186 #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]) 187])
137if test $ac_cv_type_socklen_t = yes; then 188if test $ac_cv_type_socklen_t = yes; then
138 AC_DEFINE(HAVE_SOCKLEN_T, 1, [socklen_t available]) 189 AC_DEFINE(HAVE_SOCKLEN_T, 1, [socklen_t available])
139fi 190fi
140 191
141AC_CACHE_CHECK([for struct addrinfo], ac_cv_struct_addrinfo, 192AC_CACHE_CHECK([for struct addrinfo], ac_cv_struct_addrinfo,
142[ 193[
143 AC_TRY_COMPILE( 194 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
144 [#include <sys/types.h>
145 #include <sys/socket.h> 195 #include <sys/socket.h>
146 #include <netdb.h>], 196 #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]) 197])
151if test $ac_cv_struct_addrinfo = yes; then 198if test $ac_cv_struct_addrinfo = yes; then
152 AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1, [struct addrinfo available]) 199 AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1, [struct addrinfo available])
153fi 200fi
154 201
… …
157 204
158AC_LANG_PUSH(C) 205AC_LANG_PUSH(C)
159 206
160AC_HEADER_STDC 207AC_HEADER_STDC
161 208
209dnl argl, could somebody catapult darwin into the 21st century???
162AC_CHECK_FUNCS(asprintf daemon get_current_dir_name putenv select strerror strsignal strtol unsetenv mlockall) 210AC_CHECK_FUNCS(asprintf daemon get_current_dir_name putenv select strerror strsignal strtol unsetenv mlockall)
163 211
164AC_FUNC_ALLOCA 212AC_FUNC_ALLOCA
165 213
166dnl Support for SunOS 214dnl Support for SunOS
… …
178 226
179AC_CACHE_SAVE 227AC_CACHE_SAVE
180 228
181dnl These are defined in files in m4/ 229dnl These are defined in files in m4/
182tinc_TUNTAP 230tinc_TUNTAP
231
183tinc_OPENSSL 232tinc_OPENSSL
233if test "x$openssl_include" != x; then
234 CXXFLAGS="$CXXFLAGS -I$openssl_include"
235fi
184dnl tinc_ZLIB 236dnl tinc_ZLIB
185 237
238AC_ARG_ENABLE(static-daemon,
239 [AS_HELP_STRING(--enable-static-daemon,enable statically linked daemon.)],
240 [LDFLAGS_DAEMON=-static]
241)
242AC_SUBST(LDFLAGS_DAEMON)
243
186AC_ARG_ENABLE(rohc, 244AC_ARG_ENABLE(rohc,
187 [AC_HELP_STRING(--enable-rohc, [enable robust header compression (rfc3095).])], 245 [AS_HELP_STRING(--enable-rohc,enable robust header compression (rfc3095).)],
188 [ 246 [
189 echo 247 echo
190 echo "**********************************************************************" 248 echo "**********************************************************************"
191 echo "**********************************************************************" 249 echo "**********************************************************************"
192 echo "**** --enable-rohc not yet implemented *******************************" 250 echo "**** --enable-rohc is highly experimental, do not use ****************"
193 echo "**********************************************************************"
194 echo "**** uuh sorry, I am such an ass, but I didn't find any rfc3095 (ROHC)"
195 echo "**** implementation to be used in GPL code on the web."
196 echo "**** so this option is just a fake. Please implement one and send it"
197 echo "**** to me ;)"
198 echo "**********************************************************************"
199 echo "**********************************************************************"
200 echo "**********************************************************************" 251 echo "**********************************************************************"
201 echo "**********************************************************************" 252 echo "**********************************************************************"
202 echo 253 echo
254 rohc=true
255 AC_DEFINE_UNQUOTED(ENABLE_ROHC, 1, [ROHC support])
203 ] 256 ]
204) 257)
205 258
259AM_CONDITIONAL(ROHC, test x$rohc = xtrue)
260
206AC_ARG_ENABLE(icmp, 261AC_ARG_ENABLE(icmp,
207 [AC_HELP_STRING(--enable-icmp, [enable icmp protocol support.])], 262 [AS_HELP_STRING(--enable-icmp,enable icmp protocol support (default disabled).)],
208 AC_DEFINE_UNQUOTED(ENABLE_ICMP, 1, [ICMP protocol support.]) 263 AC_DEFINE_UNQUOTED(ENABLE_ICMP, 1, [ICMP protocol support.])
209) 264)
210 265
211AC_ARG_ENABLE(tcp, 266AC_ARG_ENABLE(tcp,
212 [AC_HELP_STRING(--enable-tcp, [enable tcp protocol support.])], 267 [AS_HELP_STRING(--enable-tcp,enable tcp protocol support (default disabled).)],
213 AC_DEFINE_UNQUOTED(ENABLE_TCP, 1, [TCP protocol support.]) 268 AC_DEFINE_UNQUOTED(ENABLE_TCP, 1, [TCP protocol support.])
214) 269)
215 270
271AC_ARG_ENABLE(dns,
272 [AS_HELP_STRING(--enable-dns,enable dns tunnel protocol support (DOES NOT WORK).)],
273 [
274 AC_CHECK_HEADER(gmp.h,,[AC_MSG_ERROR([gmp.h not found, required for --enable-dns])])
275 AC_CHECK_LIB(gmp,main,,[AC_MSG_ERROR([libgmp not found, required for --enable-dns])])
276
277 AC_DEFINE_UNQUOTED(ENABLE_DNS, 1, [DNS tunnel protocol support.])
278 ]
279)
280
216AC_ARG_ENABLE(http-proxy, 281AC_ARG_ENABLE(http-proxy,
217 [AC_HELP_STRING(--enable-http-proxy, [enable http proxy connect support.])], 282 [AS_HELP_STRING(--enable-http-proxy,enable http proxy connect support (default disabled).)],
218 AC_DEFINE_UNQUOTED(ENABLE_HTTP_PROXY, 1, [http proxy connect support.]) 283 AC_DEFINE_UNQUOTED(ENABLE_HTTP_PROXY, 1, [http proxy connect support.])
219) 284)
220 285
221HMAC=16 dnl see also the AC_HELP_STRING 286HMAC=12
222AC_ARG_ENABLE(hmac-length, 287AC_ARG_ENABLE(hmac-length,
223 [AC_HELP_STRING(--enable-hmac-length=BYTES, [use a hmac of length BYTES bytes (default 16). Allowed values are 4, 8, 12, 16.])], 288 [AS_HELP_STRING(--enable-hmac-length=BYTES,[
289 use a hmac of length BYTES bytes (default 12). Allowed values are 4, 8, 12, 16.])],
224 HMAC=$enableval 290 HMAC=$enableval
225) 291)
226AC_DEFINE_UNQUOTED(HMACLENGTH, $HMAC, [Size of HMAC in each packet in bytes.]) 292AC_DEFINE_UNQUOTED(HMACLENGTH, $HMAC, [Size of HMAC in each packet in bytes.])
227 293
228RAND=8 dnl see also the AC_HELP_STRING 294RAND=8
229AC_ARG_ENABLE(rand-length, 295AC_ARG_ENABLE(rand-length,
230 [AC_HELP_STRING(--enable-rand-length=BYTES, [use BYTES bytes of extra randomness (default 8). Allowed values are 0, 4, 8.])], 296 [AS_HELP_STRING(--enable-rand-length=BYTES,
297 [use BYTES bytes of extra randomness (default 8). Allowed values are 0, 4, 8.])],
231 RAND=$enableval 298 RAND=$enableval
232) 299)
233AC_DEFINE_UNQUOTED(RAND_SIZE, $RAND, [Add this many bytes of randomness to each packet.]) 300AC_DEFINE_UNQUOTED(RAND_SIZE, $RAND, [Add this many bytes of randomness to each packet.])
234 301
235MTU=1500 dnl see also the AC_HELP_STRING 302MTU=1500
236AC_ARG_ENABLE(mtu, 303AC_ARG_ENABLE(mtu,
237 [AC_HELP_STRING(--enable-max-mtu=BYTES, enable mtu sizes upto BYTES bytes (default 1500). Use 9100 for jumbogram support.)], 304 [AS_HELP_STRING(--enable-max-mtu=BYTES,enable mtu sizes upto BYTES bytes (default 1500). Use 9100 for jumbogram support.)],
238 MTU=$enableval 305 MTU=$enableval
239) 306)
240AC_DEFINE_UNQUOTED(MAX_MTU, $MTU + 14, [Maximum MTU supported.]) 307AC_DEFINE_UNQUOTED(MAX_MTU, $MTU + 14, [Maximum MTU supported.])
241 308
242COMPRESS=1 309COMPRESS=1
243AC_ARG_ENABLE(compression, 310AC_ARG_ENABLE(compression,
244 [AC_HELP_STRING(--disable-compression, Disable compression support.)], 311 [AS_HELP_STRING(--disable-compression,Disable compression support.)],
245 if test "x$enableval" = xno; then 312 if test "x$enableval" = xno; then
246 COMPRESS=0 313 COMPRESS=0
247 fi 314 fi
248) 315)
249AC_DEFINE_UNQUOTED(ENABLE_COMPRESSION, $COMPRESS, [Enable compression support.]) 316AC_DEFINE_UNQUOTED(ENABLE_COMPRESSION, $COMPRESS, [Enable compression support.])
250 317
251CIPHER=bf_cbc 318CIPHER=bf_cbc
252AC_ARG_ENABLE(cipher, 319AC_ARG_ENABLE(cipher,
253 [AC_HELP_STRING(--enable-cipher, [ 320 [AS_HELP_STRING(--enable-cipher,[
254 Select the symmetric cipher (default "bf"). Must be one of 321 Select the symmetric cipher (default "bf").
255 "bf" (blowfish), "aes-128", "aes-192" or "aes-256".])], 322 Must be one of "bf" (blowfish), "aes-128" (rijndael), "aes-192" or "aes-256".])],
256 if test "x$enableval" = xbf ; then CIPHER=bf_cbc ; fi 323 if test "x$enableval" = xbf ; then CIPHER=bf_cbc ; fi
257 if test "x$enableval" = xaes-128; then CIPHER=aes_128_cbc; fi 324 if test "x$enableval" = xaes-128; then CIPHER=aes_128_cbc; fi
258 if test "x$enableval" = xaes-192; then CIPHER=aes_192_cbc; fi 325 if test "x$enableval" = xaes-192; then CIPHER=aes_192_cbc; fi
259 if test "x$enableval" = xaes-256; then CIPHER=aes_256_cbc; fi 326 if test "x$enableval" = xaes-256; then CIPHER=aes_256_cbc; fi
260) 327)
261AC_DEFINE_UNQUOTED(ENABLE_CIPHER, EVP_${CIPHER}, [Select the symmetric cipher to use.]) 328AC_DEFINE_UNQUOTED(ENABLE_CIPHER, EVP_${CIPHER}, [Select the symmetric cipher to use.])
262 329
263DIGEST=sha1 330DIGEST=sha1
264AC_ARG_ENABLE(digest, 331AC_ARG_ENABLE(digest,
265 [AC_HELP_STRING(--enable-digest, [ 332 [AS_HELP_STRING(--enable-digest,[
266 Select the digets algorithm to use (default "sha1"). Must be one of 333 Select the digets algorithm to use (default "sha1"). Must be one of
267 "sha1", "ripemd160", "md4" or "md5".])], 334 "sha1", "ripemd160", "md5" or "md4" (insecure).])],
268 if test "x$enableval" = xsha1 ; then DIGEST=sha1 ; fi 335 if test "x$enableval" = xsha1 ; then DIGEST=sha1 ; fi
269 if test "x$enableval" = xripemd160; then DIGEST=ripemd160; fi 336 if test "x$enableval" = xripemd160; then DIGEST=ripemd160; fi
337 if test "x$enableval" = xmd5 ; then DIGEST=md5 ; fi
270 if test "x$enableval" = xmd4 ; then DIGEST=md4 ; fi 338 if test "x$enableval" = xmd4 ; then DIGEST=md4 ; fi
271 if test "x$enableval" = xmd5 ; then DIGEST=md5 ; fi
272) 339)
273AC_DEFINE_UNQUOTED(ENABLE_DIGEST, EVP_${DIGEST}, [Select the digest algorithm to use.]) 340AC_DEFINE_UNQUOTED(ENABLE_DIGEST, EVP_${DIGEST}, [Select the digest algorithm to use.])
274
275TRUST=1
276m4_if([
277AC_ARG_ENABLE(trust,
278 [AC_HELP_STRING(--enable-trust, [
279 Make authentication faster but allow decoding by all hosts of a VPN.
280 Use this when the VPN hosts DO trust each other and you don't care
281 wether man-in-the-middle sniffing attacks are possible by admins
282 of other VPN hosts. On pentiums or similar machines this can cut down
283 the time for reconnects by 0.4 seconds or more.])],
284 if test "x$enableval" = xyes; then
285 TRUST=1
286 fi
287)
288])
289AC_DEFINE_UNQUOTED(ENABLE_TRUST, $TRUST, [Faster, but VPN hosts may sniff each others data.])
290 341
291if $CXX -v --help 2>&1 | grep -q fno-rtti; then 342if $CXX -v --help 2>&1 | grep -q fno-rtti; then
292 CXXFLAGS="$CXXFLAGS -fno-rtti" 343 CXXFLAGS="$CXXFLAGS -fno-rtti"
293fi 344fi
294 345
295if $CXX -v --help 2>&1 | grep -q fexceptions; then 346if $CXX -v --help 2>&1 | grep -q fexceptions; then
296 CXXFLAGS="$CXXFLAGS -fno-exceptions" 347 CXXFLAGS="$CXXFLAGS -fno-exceptions"
297fi 348fi
298 349
299if $CXX -v --help 2>&1 | grep -q ffunction-sections; then 350dnl if $CXX -v --help 2>&1 | grep -q ffunction-sections; then
300 CXXFLAGS="$CXXFLAGS -ffunction-sections" 351dnl CXXFLAGS="$CXXFLAGS -ffunction-sections"
301fi 352dnl fi
302 353dnl
303if $LD -v --help 2>&1 | grep -q gc-sections; then 354dnl if $LD -v --help 2>&1 | grep -q gc-sections; then
304 LDFLAGS="$LDFLAGS -Wl,--gc-sections" 355dnl LDFLAGS="$LDFLAGS -Wl,--gc-sections"
305fi 356dnl fi
306 357
307AC_CONFIG_COMMANDS_POST([ 358AC_CONFIG_COMMANDS_POST([
308 359
309echo 360echo
310echo "***" 361echo "***"
311echo "*** Configuration Summary" 362echo "*** Configuration Summary"
312echo "***" 363echo "***"
364echo "*** Kernel Iface: $IFTYPE/$IFSUBTYPE"
313echo "*** Cipher used: $CIPHER" 365echo "*** Cipher used: $CIPHER"
314echo "*** Digest used: $DIGEST" 366echo "*** Digest used: $DIGEST"
315echo "*** HMAC length: $HMAC" 367echo "*** HMAC length: $HMAC"
316echo "*** RAND used: $RAND" 368echo "*** RAND used: $RAND"
317echo "*** Max. MTU: $MTU" 369echo "*** Max. MTU: $MTU"
318echo "*** Compression: $COMPRESS" 370echo "*** Compression: $COMPRESS"
319dnl echo "*** Trusted Mode: $TRUST" 371
372if test "x$DIGEST" = xmd4; then
320echo "***" 373echo "***"
374echo "*** WARNING: The digest you have chosen ($DIGEST) is known to be insecure"
375fi
376
377if test "$HMAC" -lt 12; then
378echo "***"
379echo "*** WARNING: The hmac length you have chosen ($HMAC) is probably insecure"
380fi
381
382if test "$RAND" -lt 8; then
383echo "***"
384echo "*** WARNING: The random prefix you have chosen ($RAND) is probably insecure"
385fi
386
387echo "***"
388
321echo 389echo
322 390
323]) 391])
324 392
325AC_SUBST(INCLUDES) 393AC_SUBST(INCLUDES)
326 394
327AC_OUTPUT(Makefile po/Makefile.in 395AC_CONFIG_FILES([Makefile po/Makefile.in
328src/Makefile 396src/Makefile
329doc/Makefile 397doc/Makefile
330lib/Makefile 398lib/Makefile
331m4/Makefile 399m4/Makefile
332) 400])
401AC_OUTPUT

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