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Comparing gvpe/configure.ac (file contents):
Revision 1.36 by pcg, Thu Mar 17 23:59:37 2005 UTC vs.
Revision 1.66 by root, Thu Oct 25 04:32:26 2018 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(2.59) 3AC_PREREQ(2.69)
4AC_INIT 4AC_INIT
5AC_CONFIG_SRCDIR([src/vped.C]) 5AC_CONFIG_SRCDIR([src/gvpe.C])
6AC_CANONICAL_TARGET 6AC_CANONICAL_TARGET
7AM_INIT_AUTOMAKE(gvpe, 1.8) 7AM_INIT_AUTOMAKE(gvpe, 3.1)
8AC_CONFIG_HEADERS([config.h]) 8AC_CONFIG_HEADERS([config.h])
9AM_MAINTAINER_MODE 9AM_MAINTAINER_MODE
10 10
11AH_TOP([ 11AH_TOP([
12#ifndef CONFIG_H__ 12#ifndef CONFIG_H__
38typedef int16_t s16; 38typedef int16_t s16;
39typedef int32_t s32; 39typedef int32_t s32;
40#endif 40#endif
41 41
42#endif 42#endif
43])
44 43
45dnl Include the macros from the m4/ directory 44#if HAVE_CLOCALE
46AM_ACLOCAL_INCLUDE(m4) 45# define CLOCALE <clocale>
46#else
47# define CLOCALE <locale.h>
48#endif
49])
47 50
48AM_GNU_GETTEXT([external]) 51AM_GNU_GETTEXT([external])
49AM_GNU_GETTEXT_VERSION(0.11.5) 52AM_GNU_GETTEXT_VERSION(0.11.5)
50 53
51# Enable GNU extensions. 54# Enable GNU extensions.
52# Define this here, not in acconfig's @TOP@ section, since definitions 55# Define this here, not in acconfig's @TOP@ section, since definitions
53# 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.
54AC_DEFINE([_GNU_SOURCE], 1, [Enable GNU extenstions]) 57AC_DEFINE([_GNU_SOURCE], 1, [Enable GNU extensions])
55 58
56# do NOT define POSIX_SOURCE, sicne this clashes with many BSDs 59# do NOT define POSIX_SOURCE, sicne this clashes with many BSDs
57dnl AC_DEFINE([_POSIX_SOURCE], 1, [Enable POSIX 1003.1 extensions]) 60dnl AC_DEFINE([_POSIX_SOURCE], 1, [Enable POSIX 1003.1 extensions])
58dnl AC_DEFINE([_XOPEN_SOURCE], 500, [Enable XOPEN extensions]) 61dnl AC_DEFINE([_XOPEN_SOURCE], 500, [Enable XOPEN extensions])
59 62
60ALL_LINGUAS="" 63ALL_LINGUAS=""
61 64
62dnl Checks for programs. 65dnl Checks for programs.
63AC_PROG_CC
64AC_PROG_CPP 66AC_PROG_CPP
65AC_PROG_CXX 67AC_PROG_CXX
66AC_PROG_GCC_TRADITIONAL 68AC_PROG_GCC_TRADITIONAL
67AC_PROG_AWK 69AC_PROG_AWK
68AC_PROG_INSTALL 70AC_PROG_INSTALL
71AC_PROG_RANLIB 73AC_PROG_RANLIB
72 74
73AC_ARG_ENABLE(iftype, 75AC_ARG_ENABLE(iftype,
74 [AS_HELP_STRING(--enable-iftype=TYPE/SUBTYPE, 76 [AS_HELP_STRING(--enable-iftype=TYPE/SUBTYPE,
75 Use kernel/net device interface TYPE/SUBTYPE. 77 Use kernel/net device interface TYPE/SUBTYPE.
76 Working combinations are: 78 Working combinations are (see doc/gvpe.osdep.5.pod):
77 "native/linux" 79 "native/linux"
78 "tincd/linux" 80 "tincd/linux"
81 "tincd/netbsd"
79 "tincd/freebsd" 82 "tincd/freebsd"
80 "tincd/openbsd" 83 "tincd/openbsd"
84 "native/darwin"
81 "tincd/darwin" 85 "tincd/darwin"
82 "native/cygwin"; 86 "native/cygwin";
83 Untested combinations are: 87 Untested combinations are:
84 "tincd/netbsd" 88 "tincd/bsd"
85 "tincd/solaris" 89 "tincd/solaris"
86 "tincd/mingw" 90 "tincd/mingw"
87 "tincd/raw_socket" 91 "tincd/raw_socket"
88 "tincd/uml_socket"; 92 "tincd/uml_socket";
89 Broken combinations are: 93 Broken combinations are:
110 IFTYPE=tincd 114 IFTYPE=tincd
111 IFSUBTYPE=freebsd 115 IFSUBTYPE=freebsd
112 AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD]) 116 AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD])
113 ;; 117 ;;
114 *darwin*) 118 *darwin*)
115 IFTYPE=tincd 119 IFTYPE=native
116 IFSUBTYPE=darwin 120 IFSUBTYPE=darwin
117 AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)]) 121 AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)])
118 ;; 122 ;;
119 *solaris*) 123 *solaris*)
120 IFTYPE=tincd 124 IFTYPE=tincd
150AC_CACHE_SAVE 154AC_CACHE_SAVE
151 155
152dnl Checks for libraries. 156dnl Checks for libraries.
153 157
154AC_LANG(C++) 158AC_LANG(C++)
155AC_CHECK_HEADERS(ext/hash_map) 159AC_CHECK_HEADERS(tr1/unordered_map ext/hash_map clocale)
156 160
157dnl Checks for header files. 161dnl Checks for header files.
158AC_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 \
159 sys/file.h sys/ioctl.h sys/param.h sys/time.h netinet/in_systm.h sys/cygwin.h \ 163 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]) 164 sys/mman.h netinet/in.h])
218]) 222])
219AC_CHECK_FUNC(gethostbyname, [], [ 223AC_CHECK_FUNC(gethostbyname, [], [
220 AC_CHECK_LIB(nsl, gethostbyname) 224 AC_CHECK_LIB(nsl, gethostbyname)
221]) 225])
222 226
227dnl libev support
228m4_include([libev/libev.m4])
229
223AC_LANG_POP 230AC_LANG_POP
224 231
225dnl AC_CHECK_FUNCS([freeaddrinfo gai_strerror getaddrinfo getnameinfo]) 232dnl AC_CHECK_FUNCS([freeaddrinfo gai_strerror getaddrinfo getnameinfo])
226 233
227AC_CACHE_SAVE 234AC_CACHE_SAVE
228 235
229dnl These are defined in files in m4/ 236dnl These are defined in files in m4/
230tinc_TUNTAP 237tinc_TUNTAP
231 238
232tinc_OPENSSL 239PKG_CHECK_MODULES([LIBCRYPTO], [libcrypto >= 1])
233if test "x$openssl_include" != x; then 240
234 CXXFLAGS="$CXXFLAGS -I$openssl_include" 241AC_ARG_ENABLE(threads,
242 [AS_HELP_STRING(--enable-threads,try to use threads for long-running asynchronous operations (default enabled).)],
243 [try_threads=$enableval],
244 [try_threads=yes]
245)
246
247if test "x$try_threads" = xyes; then
248 AC_CHECK_HEADER(pthread.h,[
249 LIBS="$LIBS -lpthread"
250 AC_COMPILE_IFELSE(
251 [AC_LANG_PROGRAM([#include <pthread.h>], [pthread_t id; pthread_create (&id, 0, 0, 0);])],
252 [AC_DEFINE_UNQUOTED(ENABLE_PTHREADS, 1, [POSIX thread support.])]
253 )
254 ])
235fi 255fi
236dnl tinc_ZLIB
237 256
238AC_ARG_ENABLE(static-daemon, 257AC_ARG_ENABLE(static-daemon,
239 [AS_HELP_STRING(--enable-static-daemon,enable statically linked daemon.)], 258 [AS_HELP_STRING(--enable-static-daemon,enable statically linked daemon.)],
240 [LDFLAGS_DAEMON=-static] 259 [LDFLAGS_DAEMON=-static]
241) 260)
242AC_SUBST(LDFLAGS_DAEMON) 261AC_SUBST(LDFLAGS_DAEMON)
243 262
244AC_ARG_ENABLE(rohc, 263dnl AC_ARG_ENABLE(rohc,
245 [AS_HELP_STRING(--enable-rohc,enable robust header compression (rfc3095).)], 264dnl [AS_HELP_STRING(--enable-rohc,enable robust header compression (rfc3095).)],
246 [ 265dnl [
247 echo 266dnl echo
248 echo "**********************************************************************" 267dnl echo "**********************************************************************"
249 echo "**********************************************************************" 268dnl echo "**********************************************************************"
250 echo "**** --enable-rohc is highly experimental, do not use ****************" 269dnl echo "**** --enable-rohc is highly experimental, do not use ****************"
251 echo "**********************************************************************" 270dnl echo "**********************************************************************"
252 echo "**********************************************************************" 271dnl echo "**********************************************************************"
253 echo 272dnl echo
254 rohc=true 273dnl rohc=true
255 AC_DEFINE_UNQUOTED(ENABLE_ROHC, 1, [ROHC support]) 274dnl AC_DEFINE_UNQUOTED(ENABLE_ROHC, 1, [ROHC support])
256 ] 275dnl ]
257) 276dnl )
258 277
259AM_CONDITIONAL(ROHC, test x$rohc = xtrue) 278AM_CONDITIONAL(ROHC, test x$rohc = xtrue)
260 279
280dnl AC_ARG_ENABLE(bridging,
281dnl [AS_HELP_STRING(--enable-bridging,enable bridging support (default disabled).)],
282dnl AC_DEFINE_UNQUOTED(ENABLE_BRIDGING, 1, [bridging support.])
283dnl )
284
285ICMP=1
261AC_ARG_ENABLE(icmp, 286AC_ARG_ENABLE(icmp,
262 [AS_HELP_STRING(--enable-icmp,enable icmp protocol support (default disabled).)], 287 [AS_HELP_STRING(--disable-icmp,enable icmp protocol support (default enabled).)],
288 if test "x$enableval" = xno; then
289 ICMP=0
290 fi
291)
292if test "x$ICMP" = x1; then
263 AC_DEFINE_UNQUOTED(ENABLE_ICMP, 1, [ICMP protocol support.]) 293 AC_DEFINE_UNQUOTED(ENABLE_ICMP, 1, [ICMP protocol support.])
264) 294fi
265 295
296TCP=1
266AC_ARG_ENABLE(tcp, 297AC_ARG_ENABLE(tcp,
267 [AS_HELP_STRING(--enable-tcp,enable tcp protocol support (default disabled).)], 298 [AS_HELP_STRING(--disable-tcp,enable tcp protocol support (default enabled).)],
299 if test "x$enableval" = xno; then
300 TCP=0
301 fi
302)
303if test "x$TCP" = x1; then
268 AC_DEFINE_UNQUOTED(ENABLE_TCP, 1, [TCP protocol support.]) 304 AC_DEFINE_UNQUOTED(ENABLE_TCP, 1, [TCP protocol support.])
305fi
306
307HTTP=1
308AC_ARG_ENABLE(http-proxy,
309 [AS_HELP_STRING(--disable-http-proxy,enable http proxy connect support (default enabled).)],
310 if test "x$enableval" = xno; then
311 HTTP=0
312 fi
269) 313)
314if test "x$HTTP" = x1; then
315 AC_DEFINE_UNQUOTED(ENABLE_HTTP_PROXY, 1, [http proxy connect support.])
316fi
270 317
271AC_ARG_ENABLE(dns, 318AC_ARG_ENABLE(dns,
272 [AS_HELP_STRING(--enable-dns,enable dns tunnel protocol support (DOES NOT WORK).)], 319 [AS_HELP_STRING(--enable-dns,enable dns tunnel protocol support (default disabled).)],
273 [ 320 [
274 AC_CHECK_HEADER(gmp.h,,[AC_MSG_ERROR([gmp.h not found, required for --enable-dns])]) 321 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])]) 322 AC_CHECK_LIB(gmp,main,,[AC_MSG_ERROR([libgmp not found, required for --enable-dns])])
276 323
277 AC_DEFINE_UNQUOTED(ENABLE_DNS, 1, [DNS tunnel protocol support.]) 324 AC_DEFINE_UNQUOTED(ENABLE_DNS, 1, [DNS tunnel protocol support.])
278 ] 325 ]
279) 326)
280 327
281AC_ARG_ENABLE(http-proxy, 328RSA=3072
282 [AS_HELP_STRING(--enable-http-proxy,enable http proxy connect support (default disabled).)], 329AC_ARG_ENABLE(rsa-length,
283 AC_DEFINE_UNQUOTED(ENABLE_HTTP_PROXY, 1, [http proxy connect support.]) 330 [AS_HELP_STRING(--enable-rsa-length=BITS,[
331 use BITS rsa keys (default 3072). Allowed values are 2048-10240.])],
332 RSA=$enableval
284) 333)
334AC_DEFINE_UNQUOTED(RSABITS, $RSA, [Size of RSA keys.])
285 335
286HMAC=12 336HMACSIZE=12
287AC_ARG_ENABLE(hmac-length, 337AC_ARG_ENABLE(hmac-length,
288 [AS_HELP_STRING(--enable-hmac-length=BYTES,[ 338 [AS_HELP_STRING(--enable-hmac-length=BYTES,[
289 use a hmac of length BYTES bytes (default 12). Allowed values are 4, 8, 12, 16.])], 339 use a hmac of length BYTES bytes (default 12). Allowed values are 4, 8, 12, 16.])],
290 HMAC=$enableval 340 HMACSIZE=$enableval
291) 341)
292AC_DEFINE_UNQUOTED(HMACLENGTH, $HMAC, [Size of HMAC in each packet in bytes.]) 342AC_DEFINE_UNQUOTED(HMACLENGTH, $HMACSIZE, [Size of HMAC in each packet in bytes.])
293
294RAND=8
295AC_ARG_ENABLE(rand-length,
296 [AS_HELP_STRING(--enable-rand-length=BYTES,
297 [use BYTES bytes of extra randomness (default 8). Allowed values are 0, 4, 8.])],
298 RAND=$enableval
299)
300AC_DEFINE_UNQUOTED(RAND_SIZE, $RAND, [Add this many bytes of randomness to each packet.])
301 343
302MTU=1500 344MTU=1500
303AC_ARG_ENABLE(mtu, 345AC_ARG_ENABLE(max-mtu,
304 [AS_HELP_STRING(--enable-max-mtu=BYTES,enable mtu sizes upto BYTES bytes (default 1500). Use 9100 for jumbogram support.)], 346 [AS_HELP_STRING(--enable-max-mtu=BYTES,enable mtu sizes upto BYTES bytes (default 1500). Use 9100 for jumbogram support.)],
305 MTU=$enableval 347 MTU=$enableval
306) 348)
307AC_DEFINE_UNQUOTED(MAX_MTU, $MTU + 14, [Maximum MTU supported.]) 349AC_DEFINE_UNQUOTED(MAX_MTU, ($MTU + 14), [Maximum MTU supported.])
308 350
309COMPRESS=1 351COMPRESS=1
310AC_ARG_ENABLE(compression, 352AC_ARG_ENABLE(compression,
311 [AS_HELP_STRING(--disable-compression,Disable compression support.)], 353 [AS_HELP_STRING(--disable-compression,Disable compression support.)],
312 if test "x$enableval" = xno; then 354 if test "x$enableval" = xno; then
313 COMPRESS=0 355 COMPRESS=0
314 fi 356 fi
315) 357)
316AC_DEFINE_UNQUOTED(ENABLE_COMPRESSION, $COMPRESS, [Enable compression support.]) 358AC_DEFINE_UNQUOTED(ENABLE_COMPRESSION, $COMPRESS, [Enable compression support.])
317 359
318CIPHER=bf_cbc 360CIPHER=aes_128_ctr
319AC_ARG_ENABLE(cipher, 361AC_ARG_ENABLE(cipher,
320 [AS_HELP_STRING(--enable-cipher,[ 362 [AS_HELP_STRING(--enable-cipher=CIPHER,[
321 Select the symmetric cipher (default "bf"). 363 Select the symmetric cipher (default "aes-128").
322 Must be one of "bf" (blowfish), "aes-128" (rijndael), "aes-192" or "aes-256".])], 364 Must be one of "aes-128" (rijndael), "aes-192", or "aes-256".])],
323 if test "x$enableval" = xbf ; then CIPHER=bf_cbc ; fi 365 #if test "x$enableval" = xbf ; then CIPHER=bf_ctr ; fi
324 if test "x$enableval" = xaes-128; then CIPHER=aes_128_cbc; fi 366 if test "x$enableval" = xaes-128 ; then CIPHER=aes_128_ctr ; fi
325 if test "x$enableval" = xaes-192; then CIPHER=aes_192_cbc; fi 367 if test "x$enableval" = xaes-192 ; then CIPHER=aes_192_ctr ; fi
326 if test "x$enableval" = xaes-256; then CIPHER=aes_256_cbc; fi 368 if test "x$enableval" = xaes-256 ; then CIPHER=aes_256_ctr ; fi
369 #if test "x$enableval" = xcamellia-128; then CIPHER=camellia_128_ctr; fi
370 #if test "x$enableval" = xcamellia-256; then CIPHER=camellia_256_ctr; fi
327) 371)
328AC_DEFINE_UNQUOTED(ENABLE_CIPHER, EVP_${CIPHER}, [Select the symmetric cipher to use.]) 372AC_DEFINE_UNQUOTED(ENABLE_CIPHER, EVP_${CIPHER}, [Select the symmetric cipher to use.])
329 373
330DIGEST=sha1 374HMAC=sha1
331AC_ARG_ENABLE(digest, 375AC_ARG_ENABLE(hmac-digest,
332 [AS_HELP_STRING(--enable-digest,[ 376 [AS_HELP_STRING(--enable-hmac-digest=HMAC,[
333 Select the digets algorithm to use (default "sha1"). Must be one of 377 Select the HMAC digest algorithm to use (default "sha1"). Must be one of
334 "sha1", "ripemd160", "md5" or "md4" (insecure).])], 378 "sha512", "sha256", "sha1", "ripemd160", "whirlpool".])],
379 if test "x$enableval" = xwhirlpool; then HMAC=whirlpool; fi
380 if test "x$enableval" = xsha512 ; then HMAC=sha512 ; fi
381 if test "x$enableval" = xsha256 ; then HMAC=sha256 ; fi
335 if test "x$enableval" = xsha1 ; then DIGEST=sha1 ; fi 382 if test "x$enableval" = xsha1 ; then HMAC=sha1 ; fi
336 if test "x$enableval" = xripemd160; then DIGEST=ripemd160; fi 383 if test "x$enableval" = xripemd160; then HMAC=ripemd160; fi
384)
385AC_DEFINE_UNQUOTED(ENABLE_HMAC, EVP_${HMAC}, [Select the HMAC digest algorithm to use.])
386
387AUTH=sha512
388AC_ARG_ENABLE(auth-digest,
389 [AS_HELP_STRING(--enable-auth-digest=DIGEST,[
390 Select the hmac algorithm to use (default "sha512"). Must be one of
391 "sha512", "sha256", "whirlpool".])],
392 if test "x$enableval" = xwhirlpool; then AUTH=whirlpool; fi
337 if test "x$enableval" = xmd5 ; then DIGEST=md5 ; fi 393 if test "x$enableval" = xsha512 ; then AUTH=sha512 ; fi
338 if test "x$enableval" = xmd4 ; then DIGEST=md4 ; fi 394 if test "x$enableval" = xsha256 ; then AUTH=sha256 ; fi
339) 395)
340AC_DEFINE_UNQUOTED(ENABLE_DIGEST, EVP_${DIGEST}, [Select the digest algorithm to use.]) 396AC_DEFINE_UNQUOTED(ENABLE_AUTH, EVP_${AUTH}, [Select the auth digest algorithm to use.])
341 397
342if $CXX -v --help 2>&1 | grep -q fno-rtti; then 398if $CXX -v --help 2>&1 | grep -q fno-rtti; then
343 CXXFLAGS="$CXXFLAGS -fno-rtti" 399 CXXFLAGS="$CXXFLAGS -fno-rtti"
344fi 400fi
345 401
346if $CXX -v --help 2>&1 | grep -q fexceptions; then 402#if $CXX -v --help 2>&1 | grep -q fexceptions; then
347 CXXFLAGS="$CXXFLAGS -fno-exceptions" 403# CXXFLAGS="$CXXFLAGS -fno-exceptions"
348fi 404#fi
405
406LIBS="$EXTRA_LIBS $LIBS"
349 407
350dnl if $CXX -v --help 2>&1 | grep -q ffunction-sections; then 408dnl if $CXX -v --help 2>&1 | grep -q ffunction-sections; then
351dnl CXXFLAGS="$CXXFLAGS -ffunction-sections" 409dnl CXXFLAGS="$CXXFLAGS -ffunction-sections"
352dnl fi 410dnl fi
353dnl 411dnl
354dnl if $LD -v --help 2>&1 | grep -q gc-sections; then 412dnl if $LD -v --help 2>&1 | grep -q gc-sections; then
355dnl LDFLAGS="$LDFLAGS -Wl,--gc-sections" 413dnl LDFLAGS="$LDFLAGS -Wl,--gc-sections"
356dnl fi 414dnl fi
357 415
358AC_CONFIG_COMMANDS_POST([ 416AC_SUBST(INCLUDES)
417
418AC_CONFIG_FILES([Makefile po/Makefile.in
419src/Makefile
420doc/Makefile
421lib/Makefile
422m4/Makefile
423])
424AC_OUTPUT
359 425
360echo 426echo
361echo "***" 427echo "***"
362echo "*** Configuration Summary" 428echo "*** Configuration Summary"
363echo "***" 429echo "***"
364echo "*** Kernel Iface: $IFTYPE/$IFSUBTYPE" 430echo "*** Kernel Iface: $IFTYPE/$IFSUBTYPE"
431echo "*** RSA size: $RSA"
365echo "*** Cipher used: $CIPHER" 432echo "*** Cipher used: $CIPHER"
366echo "*** Digest used: $DIGEST" 433echo "*** Digest used: $DIGEST"
434echo "*** Authdigest: $AUTH"
367echo "*** HMAC length: $HMAC" 435echo "*** HMAC length: $HMAC"
368echo "*** RAND used: $RAND"
369echo "*** Max. MTU: $MTU" 436echo "*** Max. MTU: $MTU"
370echo "*** Compression: $COMPRESS"
371 437
372if test "x$DIGEST" = xmd4; then
373echo "***" 438echo "***"
374echo "*** WARNING: The digest you have chosen ($DIGEST) is known to be insecure" 439echo "*** Enable options:"
375fi 440grep ENABLE_ config.h | sed -e 's/^/*** /'
376 441
377if test "$HMAC" -lt 12; then 442if test "$HMACSIZE" -lt 12; then
378echo "***" 443echo "***"
379echo "*** WARNING: The hmac length you have chosen ($HMAC) is probably insecure" 444echo "*** WARNING: The hmac length you have chosen ($HMACSIZE) is quite insecure"
380fi 445fi
381 446
382if test "$RAND" -lt 8; then
383echo "***" 447echo "***"
384echo "*** WARNING: The random prefix you have chosen ($RAND) is probably insecure"
385fi
386
387echo "***"
388
389echo 448echo
390 449
391]) 450if pkg-config --exists 'libcrypto >= 1.1 libcrypto < 2.0'; then
451 cat <<EOF
452@<:@33m
453***
454*** WARNING WARNING WARNING WARNING WARNING WARNING WARNING
455***
456*** You seem to configure gvpe with OpenSSL 1.1 or newer.
457*** While this probably compiles, please note that this is not only
458*** unsupported, but also discouraged.
459***
460*** It is recommended to use either OpenSSL 1.0, as long as that is still
461*** supported, or LibreSSL (https://www.libressl.org/).
462***
463*** This is not a political issue - while porting GVPE to the newer
464*** OpenSSL 1.1 API, I encountered two incompatible API changes that were
465*** not documented, were not caught while compiling but caused security
466*** issues. When reported, the reaction of the OpenSSL developers was to
467*** update the documentation.
468***
469*** As a result, I lost all confidence in the ability and desire of
470*** OpenSSL developers to create a safe API, and would highly recommend
471*** switching to LibreSSL which explicitly avoids such braking changes.
472***
473*** WARNING WARNING WARNING WARNING WARNING WARNING WARNING
474***
475*** Again, do not use OpenSSL 1.1 and complain if stuff breaks.
476*** You have been warned, but your choice is respected.
477***
478@<:@0m
392 479
393AC_SUBST(INCLUDES) 480EOF
481fi
394 482
395AC_CONFIG_FILES([Makefile po/Makefile.in 483
396src/Makefile
397doc/Makefile
398lib/Makefile
399m4/Makefile
400])
401AC_OUTPUT

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