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Comparing gvpe/configure.ac (file contents):
Revision 1.14 by pcg, Wed Oct 15 01:35:45 2003 UTC vs.
Revision 1.68 by root, Thu Oct 6 03:25:53 2022 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([2.71])
4AC_INIT(src/vped.C) 4AC_INIT([gvpe],[3.1])
5AC_CONFIG_SRCDIR([src/gvpe.C])
5AC_CANONICAL_TARGET 6AC_CANONICAL_TARGET
6AM_INIT_AUTOMAKE(vpe, 1.2) 7AM_INIT_AUTOMAKE
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])
38 43
39dnl Include the macros from the m4/ directory 44#if HAVE_CLOCALE
40AM_ACLOCAL_INCLUDE(m4) 45# define CLOCALE <clocale>
46#else
47# define CLOCALE <locale.h>
48#endif
49])
41 50
42AM_GNU_GETTEXT([external]) 51AM_GNU_GETTEXT([external])
43AM_GNU_GETTEXT_VERSION(0.11.5) 52AM_GNU_GETTEXT_VERSION(0.11.5)
44 53
45# Enable GNU extensions. 54# Enable GNU extensions.
46# Define this here, not in acconfig's @TOP@ section, since definitions 55# Define this here, not in acconfig's @TOP@ section, since definitions
47# in the latter don't make it into the configure-time tests. 56# in the latter don't make it into the configure-time tests.
48AC_DEFINE([_GNU_SOURCE], 1, [Enable GNU extenstions]) 57AC_DEFINE([_GNU_SOURCE], 1, [Enable GNU extensions])
49AC_DEFINE([__USE_BSD], 1, [Enable BSD extensions]) 58
59# do NOT define POSIX_SOURCE, sicne this clashes with many BSDs
60dnl AC_DEFINE([_POSIX_SOURCE], 1, [Enable POSIX 1003.1 extensions])
61dnl AC_DEFINE([_XOPEN_SOURCE], 500, [Enable XOPEN extensions])
50 62
51ALL_LINGUAS="" 63ALL_LINGUAS=""
52 64
53dnl Checks for programs. 65dnl Checks for programs.
54AC_PROG_CC
55AC_PROG_CPP 66AC_PROG_CPP
56AC_PROG_CXX 67AC_PROG_CXX
57AC_PROG_GCC_TRADITIONAL 68AC_PROG_GCC_TRADITIONAL
58AC_PROG_AWK 69AC_PROG_AWK
59AC_PROG_INSTALL 70AC_PROG_INSTALL
60AC_PROG_LN_S 71AC_PROG_LN_S
61AC_PROG_MAKE_SET 72AC_PROG_MAKE_SET
62AC_PROG_RANLIB 73AC_PROG_RANLIB
63 74
64AC_ISC_POSIX
65
66AC_ARG_ENABLE(iftype, 75AC_ARG_ENABLE(iftype,
67 [AC_HELP_STRING(--enable-iftype[=TYPE/SUBTYPE], [ 76 [AS_HELP_STRING(--enable-iftype=TYPE/SUBTYPE,
68 Use kernel/net device interface TYPE/SUBTYPE. 77 Use kernel/net device interface TYPE/SUBTYPE.
69 Working combinations are: 78 Working combinations are (see doc/gvpe.osdep.5.pod):
70 "native/linux" 79 "native/linux"
71 "tincd/linux" 80 "tincd/linux"
81 "tincd/netbsd"
72 "tincd/freebsd"; 82 "tincd/freebsd"
83 "tincd/openbsd"
84 "native/darwin"
85 "tincd/darwin"
86 "native/cygwin";
73 Untested combinations are: 87 Untested combinations are:
74 "tincd/netbsd" 88 "tincd/bsd"
75 "tincd/darwin"
76 "tincd/solaris" 89 "tincd/solaris"
77 "tincd/openbsd"; 90 "tincd/mingw"
91 "tincd/raw_socket"
92 "tincd/uml_socket";
78 Broken combinations are: 93 Broken combinations are:
79 "tincd/cygwin"; 94 "tincd/cygwin";
80 The default is to autodetect. 95 The default is to autodetect.
81 ])], 96 )],
82 [ 97 [
83 IFTYPE=`echo $enableval | sed s%/.*%%` 98 IFTYPE=`echo $enableval | sed s%/.*%%`
84 IFSUBTYPE=`echo $enableval | sed s%.*/%%` 99 IFSUBTYPE=`echo $enableval | sed s%.*/%%`
85 ] 100 ]
86) 101)
… …
99 IFTYPE=tincd 114 IFTYPE=tincd
100 IFSUBTYPE=freebsd 115 IFSUBTYPE=freebsd
101 AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD]) 116 AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD])
102 ;; 117 ;;
103 *darwin*) 118 *darwin*)
104 IFTYPE=tincd 119 IFTYPE=native
105 IFSUBTYPE=darwin 120 IFSUBTYPE=darwin
106 AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)]) 121 AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)])
107 ;; 122 ;;
108 *solaris*) 123 *solaris*)
109 IFTYPE=tincd 124 IFTYPE=tincd
… …
119 IFTYPE=tincd 134 IFTYPE=tincd
120 IFSUBTYPE=netbsd 135 IFSUBTYPE=netbsd
121 AC_DEFINE(HAVE_NETBSD, 1, [NetBSD]) 136 AC_DEFINE(HAVE_NETBSD, 1, [NetBSD])
122 ;; 137 ;;
123 *cygwin*) 138 *cygwin*)
124 IFTYPE=tincd 139 IFTYPE=native
125 IFSUBTYPE=cygwin 140 IFSUBTYPE=cygwin
126 AC_DEFINE(HAVE_CYGWIN, 1, [Cygwin]) 141 AC_DEFINE(HAVE_CYGWIN, 1, [Cygwin])
127 ;; 142 ;;
128 *) 143 *)
129 AC_MSG_ERROR("Unknown operating system.") 144 AC_MSG_ERROR("Unknown operating system.")
… …
131 esac 146 esac
132fi 147fi
133AC_MSG_RESULT($IFTYPE/$IFSUBTYPE) 148AC_MSG_RESULT($IFTYPE/$IFSUBTYPE)
134AC_SUBST(IFTYPE,$IFTYPE) 149AC_SUBST(IFTYPE,$IFTYPE)
135AC_SUBST(IFSUBTYPE,$IFSUBTYPE) 150AC_SUBST(IFSUBTYPE,$IFSUBTYPE)
151AC_DEFINE_UNQUOTED(IFTYPE,"$IFTYPE",[kernel interface type])
152AC_DEFINE_UNQUOTED(IFSUBTYPE,"$IFSUBTYPE",[kernel interface subtype])
136 153
137AC_CACHE_SAVE 154AC_CACHE_SAVE
138 155
139dnl Checks for libraries. 156dnl Checks for libraries.
140 157
141AC_LANG(C++) 158AC_LANG(C++)
142AC_CHECK_HEADERS(ext/hash_map) 159AC_CHECK_HEADERS(tr1/unordered_map ext/hash_map clocale)
143 160
144dnl Checks for header files. 161dnl Checks for header files.
145AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h malloc.h stdint.h strings.h syslog.h unistd.h \ 162AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h malloc.h stdint.h strings.h syslog.h unistd.h \
146 sys/file.h sys/ioctl.h sys/param.h sys/time.h netinet/in_systm.h sys/cygwin.h arpa/inet.h \ 163 sys/file.h sys/ioctl.h sys/param.h sys/time.h netinet/in_systm.h sys/cygwin.h \
147 sys/poll.h sys/mman.h netinet/in.h]) 164 sys/mman.h netinet/in.h])
148AC_CHECK_HEADERS([net/ethernet.h net/if.h netinet/ip.h netinet/tcp.h netinet/in_systm.h], [], [], 165AC_CHECK_HEADERS([arpa/inet.h net/ethernet.h net/if.h netinet/ip.h netinet/tcp.h netinet/in_systm.h], [], [],
149[ 166[
150#include <sys/types.h> 167#include <sys/types.h>
151#include <sys/socket.h> 168#include <sys/socket.h>
152#ifdef HAVE_NETINET_IN_H 169#ifdef HAVE_NETINET_IN_H
153# include <netinet/in.h> 170# include <netinet/in.h>
… …
162 179
163dnl Checks for typedefs, structures, and compiler characteristics. 180dnl Checks for typedefs, structures, and compiler characteristics.
164AC_C_CONST 181AC_C_CONST
165AC_TYPE_PID_T 182AC_TYPE_PID_T
166AC_TYPE_SIZE_T 183AC_TYPE_SIZE_T
167AC_HEADER_TIME 184AC_CHECK_HEADERS_ONCE([sys/time.h])
185
168AC_STRUCT_TM 186AC_STRUCT_TM
169 187
170AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t, 188AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t,
171[ 189[
172 AC_TRY_COMPILE( 190 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
173 [#include <sys/types.h> 191 #include <sys/socket.h>]], [[socklen_t len = 42; return len;]])],[ac_cv_type_socklen_t=yes],[ac_cv_type_socklen_t=no])
174 #include <sys/socket.h>],
175 [socklen_t len = 42; return len;],
176 ac_cv_type_socklen_t=yes,
177 ac_cv_type_socklen_t=no)
178]) 192])
179if test $ac_cv_type_socklen_t = yes; then 193if test $ac_cv_type_socklen_t = yes; then
180 AC_DEFINE(HAVE_SOCKLEN_T, 1, [socklen_t available]) 194 AC_DEFINE(HAVE_SOCKLEN_T, 1, [socklen_t available])
181fi 195fi
182 196
183AC_CACHE_CHECK([for struct addrinfo], ac_cv_struct_addrinfo, 197AC_CACHE_CHECK([for struct addrinfo], ac_cv_struct_addrinfo,
184[ 198[
185 AC_TRY_COMPILE( 199 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
186 [#include <sys/types.h>
187 #include <sys/socket.h> 200 #include <sys/socket.h>
188 #include <netdb.h>], 201 #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])
189 [struct addrinfo ai; ai.ai_family = AF_INET; return ai.ai_family;],
190 ac_cv_struct_addrinfo=yes,
191 ac_cv_struct_addrinfo=no)
192]) 202])
193if test $ac_cv_struct_addrinfo = yes; then 203if test $ac_cv_struct_addrinfo = yes; then
194 AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1, [struct addrinfo available]) 204 AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1, [struct addrinfo available])
195fi 205fi
196 206
197dnl Checks for library functions.
198AC_TYPE_SIGNAL
199
200AC_LANG_PUSH(C) 207AC_LANG_PUSH(C)
201 208
202AC_HEADER_STDC
203
204dnl argl, could somebody catapult darwin into the 21st century??? 209dnl argl, could somebody catapult darwin into the 21st century???
205AC_CHECK_FUNCS(asprintf daemon get_current_dir_name putenv select strerror strsignal strtol unsetenv mlockall poll) 210AC_CHECK_FUNCS(asprintf daemon get_current_dir_name putenv select strerror strsignal strtol unsetenv mlockall)
206 211
207AC_FUNC_ALLOCA 212AC_FUNC_ALLOCA
208 213
209dnl Support for SunOS 214dnl Support for SunOS
210 215
… …
213]) 218])
214AC_CHECK_FUNC(gethostbyname, [], [ 219AC_CHECK_FUNC(gethostbyname, [], [
215 AC_CHECK_LIB(nsl, gethostbyname) 220 AC_CHECK_LIB(nsl, gethostbyname)
216]) 221])
217 222
223dnl libev support
224m4_include([libev/libev.m4])
225
218AC_LANG_POP 226AC_LANG_POP
219 227
220dnl AC_CHECK_FUNCS([freeaddrinfo gai_strerror getaddrinfo getnameinfo]) 228dnl AC_CHECK_FUNCS([freeaddrinfo gai_strerror getaddrinfo getnameinfo])
221 229
222AC_CACHE_SAVE 230AC_CACHE_SAVE
223 231
224dnl These are defined in files in m4/ 232dnl These are defined in files in m4/
225tinc_TUNTAP 233tinc_TUNTAP
226tinc_OPENSSL
227CXXFLAGS="$CXXFLAGS -I$openssl_include"
228dnl tinc_ZLIB
229 234
235PKG_CHECK_MODULES([LIBCRYPTO], [libcrypto >= 1])
236
237AC_ARG_ENABLE(threads,
238 [AS_HELP_STRING(--enable-threads,try to use threads for long-running asynchronous operations (default enabled).)],
239 [try_threads=$enableval],
240 [try_threads=yes]
241)
242
243if test "x$try_threads" = xyes; then
244 AC_CHECK_HEADER(pthread.h,[
245 LIBS="$LIBS -lpthread"
246 AC_COMPILE_IFELSE(
247 [AC_LANG_PROGRAM([#include <pthread.h>], [pthread_t id; pthread_create (&id, 0, 0, 0);])],
248 [AC_DEFINE_UNQUOTED(ENABLE_PTHREADS, 1, [POSIX thread support.])]
249 )
250 ])
251fi
252
253AC_ARG_ENABLE(static-daemon,
254 [AS_HELP_STRING(--enable-static-daemon,enable statically linked daemon.)],
255 [LDFLAGS_DAEMON=-static]
256)
257AC_SUBST(LDFLAGS_DAEMON)
258
230AC_ARG_ENABLE(rohc, 259dnl AC_ARG_ENABLE(rohc,
231 [AC_HELP_STRING(--enable-rohc, [enable robust header compression (rfc3095).])], 260dnl [AS_HELP_STRING(--enable-rohc,enable robust header compression (rfc3095).)],
261dnl [
262dnl echo
263dnl echo "**********************************************************************"
264dnl echo "**********************************************************************"
265dnl echo "**** --enable-rohc is highly experimental, do not use ****************"
266dnl echo "**********************************************************************"
267dnl echo "**********************************************************************"
268dnl echo
269dnl rohc=true
270dnl AC_DEFINE_UNQUOTED(ENABLE_ROHC, 1, [ROHC support])
271dnl ]
272dnl )
273
274AM_CONDITIONAL(ROHC, test x$rohc = xtrue)
275
276dnl AC_ARG_ENABLE(bridging,
277dnl [AS_HELP_STRING(--enable-bridging,enable bridging support (default disabled).)],
278dnl AC_DEFINE_UNQUOTED(ENABLE_BRIDGING, 1, [bridging support.])
279dnl )
280
281ICMP=1
282AC_ARG_ENABLE(icmp,
283 [AS_HELP_STRING(--disable-icmp,enable icmp protocol support (default enabled).)],
284 if test "x$enableval" = xno; then
285 ICMP=0
286 fi
287)
288if test "x$ICMP" = x1; then
289 AC_DEFINE_UNQUOTED(ENABLE_ICMP, 1, [ICMP protocol support.])
290fi
291
292TCP=1
293AC_ARG_ENABLE(tcp,
294 [AS_HELP_STRING(--disable-tcp,enable tcp protocol support (default enabled).)],
295 if test "x$enableval" = xno; then
296 TCP=0
297 fi
298)
299if test "x$TCP" = x1; then
300 AC_DEFINE_UNQUOTED(ENABLE_TCP, 1, [TCP protocol support.])
301fi
302
303HTTP=1
304AC_ARG_ENABLE(http-proxy,
305 [AS_HELP_STRING(--disable-http-proxy,enable http proxy connect support (default enabled).)],
306 if test "x$enableval" = xno; then
307 HTTP=0
308 fi
309)
310if test "x$HTTP" = x1; then
311 AC_DEFINE_UNQUOTED(ENABLE_HTTP_PROXY, 1, [http proxy connect support.])
312fi
313
314AC_ARG_ENABLE(dns,
315 [AS_HELP_STRING(--enable-dns,enable dns tunnel protocol support (default disabled).)],
232 [ 316 [
233 echo 317 AC_CHECK_HEADER(gmp.h,,[AC_MSG_ERROR([gmp.h not found, required for --enable-dns])])
234 echo "**********************************************************************" 318 AC_CHECK_LIB(gmp,main,,[AC_MSG_ERROR([libgmp not found, required for --enable-dns])])
235 echo "**********************************************************************" 319
236 echo "**** --enable-rohc not yet implemented *******************************" 320 AC_DEFINE_UNQUOTED(ENABLE_DNS, 1, [DNS tunnel protocol support.])
237 echo "**********************************************************************"
238 echo "**** uuh sorry, I am such an ass, but I didn't find any rfc3095 (ROHC)"
239 echo "**** implementation to be used in GPL code on the web."
240 echo "**** so this option is just a fake. Please implement one and send it"
241 echo "**** to me ;)"
242 echo "**********************************************************************"
243 echo "**********************************************************************"
244 echo "**********************************************************************"
245 echo "**********************************************************************"
246 echo
247 ] 321 ]
248) 322)
249 323
250AC_ARG_ENABLE(icmp, 324RSA=3072
251 [AC_HELP_STRING(--enable-icmp, [enable icmp protocol support (default disabled).])], 325AC_ARG_ENABLE(rsa-length,
252 AC_DEFINE_UNQUOTED(ENABLE_ICMP, 1, [ICMP protocol support.]) 326 [AS_HELP_STRING(--enable-rsa-length=BITS,[
327 use BITS rsa keys (default 3072). Allowed values are 2048-10240.])],
328 RSA=$enableval
253) 329)
330AC_DEFINE_UNQUOTED(RSABITS, $RSA, [Size of RSA keys.])
254 331
255AC_ARG_ENABLE(tcp, 332HMACSIZE=12
256 [AC_HELP_STRING(--enable-tcp, [enable tcp protocol support (default disabled).])],
257 AC_DEFINE_UNQUOTED(ENABLE_TCP, 1, [TCP protocol support.])
258)
259
260AC_ARG_ENABLE(http-proxy,
261 [AC_HELP_STRING(--enable-http-proxy, [enable http proxy connect support (default disabled).])],
262 AC_DEFINE_UNQUOTED(ENABLE_HTTP_PROXY, 1, [http proxy connect support.])
263)
264
265HMAC=12 dnl see also the AC_HELP_STRING
266AC_ARG_ENABLE(hmac-length, 333AC_ARG_ENABLE(hmac-length,
267 [AC_HELP_STRING(--enable-hmac-length=BYTES, [use a hmac of length BYTES bytes (default 12). Allowed values are 4, 8, 12, 16.])], 334 [AS_HELP_STRING(--enable-hmac-length=BYTES,[
335 use a hmac of length BYTES bytes (default 12). Allowed values are 4, 8, 12, 16.])],
268 HMAC=$enableval 336 HMACSIZE=$enableval
269) 337)
270AC_DEFINE_UNQUOTED(HMACLENGTH, $HMAC, [Size of HMAC in each packet in bytes.]) 338AC_DEFINE_UNQUOTED(HMACLENGTH, $HMACSIZE, [Size of HMAC in each packet in bytes.])
271 339
272RAND=8 dnl see also the AC_HELP_STRING 340MTU=1500
273AC_ARG_ENABLE(rand-length,
274 [AC_HELP_STRING(--enable-rand-length=BYTES, [use BYTES bytes of extra randomness (default 8). Allowed values are 0, 4, 8.])],
275 RAND=$enableval
276)
277AC_DEFINE_UNQUOTED(RAND_SIZE, $RAND, [Add this many bytes of randomness to each packet.])
278
279MTU=1500 dnl see also the AC_HELP_STRING
280AC_ARG_ENABLE(mtu, 341AC_ARG_ENABLE(max-mtu,
281 [AC_HELP_STRING(--enable-max-mtu=BYTES, enable mtu sizes upto BYTES bytes (default 1500). Use 9100 for jumbogram support.)], 342 [AS_HELP_STRING(--enable-max-mtu=BYTES,enable mtu sizes upto BYTES bytes (default 1500). Use 9100 for jumbogram support.)],
282 MTU=$enableval 343 MTU=$enableval
283) 344)
284AC_DEFINE_UNQUOTED(MAX_MTU, $MTU + 14, [Maximum MTU supported.]) 345AC_DEFINE_UNQUOTED(MAX_MTU, ($MTU + 14), [Maximum MTU supported.])
285 346
286COMPRESS=1 347COMPRESS=1
287AC_ARG_ENABLE(compression, 348AC_ARG_ENABLE(compression,
288 [AC_HELP_STRING(--disable-compression, Disable compression support.)], 349 [AS_HELP_STRING(--disable-compression,Disable compression support.)],
289 if test "x$enableval" = xno; then 350 if test "x$enableval" = xno; then
290 COMPRESS=0 351 COMPRESS=0
291 fi 352 fi
292) 353)
293AC_DEFINE_UNQUOTED(ENABLE_COMPRESSION, $COMPRESS, [Enable compression support.]) 354AC_DEFINE_UNQUOTED(ENABLE_COMPRESSION, $COMPRESS, [Enable compression support.])
294 355
295CIPHER=bf_cbc 356CIPHER=aes_128_ctr
296AC_ARG_ENABLE(cipher, 357AC_ARG_ENABLE(cipher,
297 [AC_HELP_STRING(--enable-cipher, [ 358 [AS_HELP_STRING(--enable-cipher=CIPHER,[
298 Select the symmetric cipher (default "bf"). Must be one of 359 Select the symmetric cipher (default "aes-128").
299 "bf" (blowfish), "aes-128" (rijndael), "aes-192" or "aes-256".])], 360 Must be one of "aes-128" (rijndael), "aes-192", or "aes-256".])],
300 if test "x$enableval" = xbf ; then CIPHER=bf_cbc ; fi 361 #if test "x$enableval" = xbf ; then CIPHER=bf_ctr ; fi
301 if test "x$enableval" = xaes-128; then CIPHER=aes_128_cbc; fi 362 if test "x$enableval" = xaes-128 ; then CIPHER=aes_128_ctr ; fi
302 if test "x$enableval" = xaes-192; then CIPHER=aes_192_cbc; fi 363 if test "x$enableval" = xaes-192 ; then CIPHER=aes_192_ctr ; fi
303 if test "x$enableval" = xaes-256; then CIPHER=aes_256_cbc; fi 364 if test "x$enableval" = xaes-256 ; then CIPHER=aes_256_ctr ; fi
365 #if test "x$enableval" = xcamellia-128; then CIPHER=camellia_128_ctr; fi
366 #if test "x$enableval" = xcamellia-256; then CIPHER=camellia_256_ctr; fi
304) 367)
305AC_DEFINE_UNQUOTED(ENABLE_CIPHER, EVP_${CIPHER}, [Select the symmetric cipher to use.]) 368AC_DEFINE_UNQUOTED(ENABLE_CIPHER, EVP_${CIPHER}, [Select the symmetric cipher to use.])
306 369
307DIGEST=sha1 370HMAC=sha1
308AC_ARG_ENABLE(digest, 371AC_ARG_ENABLE(hmac-digest,
309 [AC_HELP_STRING(--enable-digest, [ 372 [AS_HELP_STRING(--enable-hmac-digest=HMAC,[
310 Select the digets algorithm to use (default "sha1"). Must be one of 373 Select the HMAC digest algorithm to use (default "sha1"). Must be one of
311 "sha1", "ripemd160", "md5" or "md4" (insecure).])], 374 "sha512", "sha256", "sha1", "ripemd160", "whirlpool".])],
375 if test "x$enableval" = xwhirlpool; then HMAC=whirlpool; fi
376 if test "x$enableval" = xsha512 ; then HMAC=sha512 ; fi
377 if test "x$enableval" = xsha256 ; then HMAC=sha256 ; fi
312 if test "x$enableval" = xsha1 ; then DIGEST=sha1 ; fi 378 if test "x$enableval" = xsha1 ; then HMAC=sha1 ; fi
313 if test "x$enableval" = xripemd160; then DIGEST=ripemd160; fi 379 if test "x$enableval" = xripemd160; then HMAC=ripemd160; fi
380)
381AC_DEFINE_UNQUOTED(ENABLE_HMAC, EVP_${HMAC}, [Select the HMAC digest algorithm to use.])
382
383AUTH=sha512
384AC_ARG_ENABLE(auth-digest,
385 [AS_HELP_STRING(--enable-auth-digest=DIGEST,[
386 Select the hmac algorithm to use (default "sha512"). Must be one of
387 "sha512", "sha256", "whirlpool".])],
388 if test "x$enableval" = xwhirlpool; then AUTH=whirlpool; fi
314 if test "x$enableval" = xmd5 ; then DIGEST=md5 ; fi 389 if test "x$enableval" = xsha512 ; then AUTH=sha512 ; fi
315 if test "x$enableval" = xmd4 ; then DIGEST=md4 ; fi 390 if test "x$enableval" = xsha256 ; then AUTH=sha256 ; fi
316) 391)
317AC_DEFINE_UNQUOTED(ENABLE_DIGEST, EVP_${DIGEST}, [Select the digest algorithm to use.]) 392AC_DEFINE_UNQUOTED(ENABLE_AUTH, EVP_${AUTH}, [Select the auth digest algorithm to use.])
318 393
319if $CXX -v --help 2>&1 | grep -q fno-rtti; then 394if $CXX -v --help 2>&1 | grep -q fno-rtti; then
320 CXXFLAGS="$CXXFLAGS -fno-rtti" 395 CXXFLAGS="$CXXFLAGS -fno-rtti"
321fi 396fi
322 397
323if $CXX -v --help 2>&1 | grep -q fexceptions; then 398#if $CXX -v --help 2>&1 | grep -q fexceptions; then
324 CXXFLAGS="$CXXFLAGS -fno-exceptions" 399# CXXFLAGS="$CXXFLAGS -fno-exceptions"
325fi 400#fi
326 401
402LIBS="$EXTRA_LIBS $LIBS"
403
327if $CXX -v --help 2>&1 | grep -q ffunction-sections; then 404dnl if $CXX -v --help 2>&1 | grep -q ffunction-sections; then
328 CXXFLAGS="$CXXFLAGS -ffunction-sections" 405dnl CXXFLAGS="$CXXFLAGS -ffunction-sections"
329fi 406dnl fi
330 407dnl
331if $LD -v --help 2>&1 | grep -q gc-sections; then 408dnl if $LD -v --help 2>&1 | grep -q gc-sections; then
332 LDFLAGS="$LDFLAGS -Wl,--gc-sections" 409dnl LDFLAGS="$LDFLAGS -Wl,--gc-sections"
333fi 410dnl fi
334 411
335AC_CONFIG_COMMANDS_POST([ 412AC_SUBST(AM_CPPFLAGS)
413
414AC_CONFIG_FILES([Makefile po/Makefile.in
415src/Makefile
416doc/Makefile
417lib/Makefile
418m4/Makefile
419])
420AC_OUTPUT
336 421
337echo 422echo
338echo "***" 423echo "***"
339echo "*** Configuration Summary" 424echo "*** Configuration Summary"
340echo "***" 425echo "***"
341echo "*** Kernel Iface: $IFTYPE/$IFSUBTYPE" 426echo "*** Kernel Iface: $IFTYPE/$IFSUBTYPE"
427echo "*** RSA size: $RSA"
342echo "*** Cipher used: $CIPHER" 428echo "*** Cipher used: $CIPHER"
343echo "*** Digest used: $DIGEST" 429echo "*** Digest used: $DIGEST"
430echo "*** Authdigest: $AUTH"
344echo "*** HMAC length: $HMAC" 431echo "*** HMAC length: $HMAC"
345echo "*** RAND used: $RAND"
346echo "*** Max. MTU: $MTU" 432echo "*** Max. MTU: $MTU"
347echo "*** Compression: $COMPRESS" 433
348echo "***" 434echo "***"
435echo "*** Enable options:"
436grep ENABLE_ config.h | sed -e 's/^/*** /'
349 437
350if test "x$DIGEST" = xmd4; then 438if test "$HMACSIZE" -lt 12; then
351echo "*** WARNING"
352echo "*** The digest you have chosen ($DIGEST) is known to be insecure"
353echo "***" 439echo "***"
440echo "*** WARNING: The hmac length you have chosen ($HMACSIZE) is quite insecure"
354fi 441fi
355 442
443echo "***"
356echo 444echo
357 445
358]) 446if pkg-config --exists 'libcrypto >= 1.1 libcrypto < 2.0'; then
447 cat <<EOF
448@<:@33m
449***
450*** WARNING WARNING WARNING WARNING WARNING WARNING WARNING
451***
452*** You seem to configure gvpe with OpenSSL 1.1 or newer.
453*** While this probably compiles, please note that this is not only
454*** unsupported, but also discouraged.
455***
456*** It is recommended to use either OpenSSL 1.0, as long as that is still
457*** supported, or LibreSSL (https://www.libressl.org/).
458***
459*** This is not a political issue - while porting GVPE to the newer
460*** OpenSSL 1.1 API, I encountered two incompatible API changes that were
461*** not documented, were not caught while compiling but caused security
462*** issues. When reported, the reaction of the OpenSSL developers was to
463*** update the documentation.
464***
465*** As a result, I lost all confidence in the ability and desire of
466*** OpenSSL developers to create a safe API, and would highly recommend
467*** switching to LibreSSL which explicitly avoids such braking changes.
468***
469*** WARNING WARNING WARNING WARNING WARNING WARNING WARNING
470***
471*** Again, do not use OpenSSL 1.1 and complain if stuff breaks.
472*** You have been warned, but your choice is respected.
473***
474@<:@0m
359 475
360AC_SUBST(INCLUDES) 476EOF
477fi
361 478
362AC_OUTPUT(Makefile po/Makefile.in 479
363src/Makefile
364doc/Makefile
365lib/Makefile
366m4/Makefile
367)

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