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Comparing gvpe/configure.ac (file contents):
Revision 1.38 by pcg, Fri Mar 18 02:32:20 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/gvpe.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__
… …
46#else 46#else
47# define CLOCALE <locale.h> 47# define CLOCALE <locale.h>
48#endif 48#endif
49]) 49])
50 50
51dnl Include the macros from the m4/ directory
52AM_ACLOCAL_INCLUDE(m4)
53
54AM_GNU_GETTEXT([external]) 51AM_GNU_GETTEXT([external])
55AM_GNU_GETTEXT_VERSION(0.11.5) 52AM_GNU_GETTEXT_VERSION(0.11.5)
56 53
57# Enable GNU extensions. 54# Enable GNU extensions.
58# Define this here, not in acconfig's @TOP@ section, since definitions 55# Define this here, not in acconfig's @TOP@ section, since definitions
59# 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.
60AC_DEFINE([_GNU_SOURCE], 1, [Enable GNU extenstions]) 57AC_DEFINE([_GNU_SOURCE], 1, [Enable GNU extensions])
61 58
62# do NOT define POSIX_SOURCE, sicne this clashes with many BSDs 59# do NOT define POSIX_SOURCE, sicne this clashes with many BSDs
63dnl AC_DEFINE([_POSIX_SOURCE], 1, [Enable POSIX 1003.1 extensions]) 60dnl AC_DEFINE([_POSIX_SOURCE], 1, [Enable POSIX 1003.1 extensions])
64dnl AC_DEFINE([_XOPEN_SOURCE], 500, [Enable XOPEN extensions]) 61dnl AC_DEFINE([_XOPEN_SOURCE], 500, [Enable XOPEN extensions])
65 62
66ALL_LINGUAS="" 63ALL_LINGUAS=""
67 64
68dnl Checks for programs. 65dnl Checks for programs.
69AC_PROG_CC
70AC_PROG_CPP 66AC_PROG_CPP
71AC_PROG_CXX 67AC_PROG_CXX
72AC_PROG_GCC_TRADITIONAL 68AC_PROG_GCC_TRADITIONAL
73AC_PROG_AWK 69AC_PROG_AWK
74AC_PROG_INSTALL 70AC_PROG_INSTALL
… …
77AC_PROG_RANLIB 73AC_PROG_RANLIB
78 74
79AC_ARG_ENABLE(iftype, 75AC_ARG_ENABLE(iftype,
80 [AS_HELP_STRING(--enable-iftype=TYPE/SUBTYPE, 76 [AS_HELP_STRING(--enable-iftype=TYPE/SUBTYPE,
81 Use kernel/net device interface TYPE/SUBTYPE. 77 Use kernel/net device interface TYPE/SUBTYPE.
82 Working combinations are: 78 Working combinations are (see doc/gvpe.osdep.5.pod):
83 "native/linux" 79 "native/linux"
84 "tincd/linux" 80 "tincd/linux"
81 "tincd/netbsd"
85 "tincd/freebsd" 82 "tincd/freebsd"
86 "tincd/openbsd" 83 "tincd/openbsd"
84 "native/darwin"
87 "tincd/darwin" 85 "tincd/darwin"
88 "native/cygwin"; 86 "native/cygwin";
89 Untested combinations are: 87 Untested combinations are:
90 "tincd/netbsd" 88 "tincd/bsd"
91 "tincd/solaris" 89 "tincd/solaris"
92 "tincd/mingw" 90 "tincd/mingw"
93 "tincd/raw_socket" 91 "tincd/raw_socket"
94 "tincd/uml_socket"; 92 "tincd/uml_socket";
95 Broken combinations are: 93 Broken combinations are:
… …
116 IFTYPE=tincd 114 IFTYPE=tincd
117 IFSUBTYPE=freebsd 115 IFSUBTYPE=freebsd
118 AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD]) 116 AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD])
119 ;; 117 ;;
120 *darwin*) 118 *darwin*)
121 IFTYPE=tincd 119 IFTYPE=native
122 IFSUBTYPE=darwin 120 IFSUBTYPE=darwin
123 AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)]) 121 AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)])
124 ;; 122 ;;
125 *solaris*) 123 *solaris*)
126 IFTYPE=tincd 124 IFTYPE=tincd
… …
156AC_CACHE_SAVE 154AC_CACHE_SAVE
157 155
158dnl Checks for libraries. 156dnl Checks for libraries.
159 157
160AC_LANG(C++) 158AC_LANG(C++)
161AC_CHECK_HEADERS(ext/hash_map clocale) 159AC_CHECK_HEADERS(tr1/unordered_map ext/hash_map clocale)
162 160
163dnl Checks for header files. 161dnl Checks for header files.
164AC_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 \
165 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 \
166 sys/mman.h netinet/in.h]) 164 sys/mman.h netinet/in.h])
… …
224]) 222])
225AC_CHECK_FUNC(gethostbyname, [], [ 223AC_CHECK_FUNC(gethostbyname, [], [
226 AC_CHECK_LIB(nsl, gethostbyname) 224 AC_CHECK_LIB(nsl, gethostbyname)
227]) 225])
228 226
227dnl libev support
228m4_include([libev/libev.m4])
229
229AC_LANG_POP 230AC_LANG_POP
230 231
231dnl AC_CHECK_FUNCS([freeaddrinfo gai_strerror getaddrinfo getnameinfo]) 232dnl AC_CHECK_FUNCS([freeaddrinfo gai_strerror getaddrinfo getnameinfo])
232 233
233AC_CACHE_SAVE 234AC_CACHE_SAVE
234 235
235dnl These are defined in files in m4/ 236dnl These are defined in files in m4/
236tinc_TUNTAP 237tinc_TUNTAP
237 238
238tinc_OPENSSL 239PKG_CHECK_MODULES([LIBCRYPTO], [libcrypto >= 1])
239if test "x$openssl_include" != x; then 240
240 CXXFLAGS="$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 ])
241fi 255fi
242dnl tinc_ZLIB
243 256
244AC_ARG_ENABLE(static-daemon, 257AC_ARG_ENABLE(static-daemon,
245 [AS_HELP_STRING(--enable-static-daemon,enable statically linked daemon.)], 258 [AS_HELP_STRING(--enable-static-daemon,enable statically linked daemon.)],
246 [LDFLAGS_DAEMON=-static] 259 [LDFLAGS_DAEMON=-static]
247) 260)
248AC_SUBST(LDFLAGS_DAEMON) 261AC_SUBST(LDFLAGS_DAEMON)
249 262
250AC_ARG_ENABLE(rohc, 263dnl AC_ARG_ENABLE(rohc,
251 [AS_HELP_STRING(--enable-rohc,enable robust header compression (rfc3095).)], 264dnl [AS_HELP_STRING(--enable-rohc,enable robust header compression (rfc3095).)],
252 [ 265dnl [
253 echo 266dnl echo
254 echo "**********************************************************************" 267dnl echo "**********************************************************************"
255 echo "**********************************************************************" 268dnl echo "**********************************************************************"
256 echo "**** --enable-rohc is highly experimental, do not use ****************" 269dnl echo "**** --enable-rohc is highly experimental, do not use ****************"
257 echo "**********************************************************************" 270dnl echo "**********************************************************************"
258 echo "**********************************************************************" 271dnl echo "**********************************************************************"
259 echo 272dnl echo
260 rohc=true 273dnl rohc=true
261 AC_DEFINE_UNQUOTED(ENABLE_ROHC, 1, [ROHC support]) 274dnl AC_DEFINE_UNQUOTED(ENABLE_ROHC, 1, [ROHC support])
262 ] 275dnl ]
263) 276dnl )
264 277
265AM_CONDITIONAL(ROHC, test x$rohc = xtrue) 278AM_CONDITIONAL(ROHC, test x$rohc = xtrue)
266 279
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
267AC_ARG_ENABLE(icmp, 286AC_ARG_ENABLE(icmp,
268 [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
269 AC_DEFINE_UNQUOTED(ENABLE_ICMP, 1, [ICMP protocol support.]) 293 AC_DEFINE_UNQUOTED(ENABLE_ICMP, 1, [ICMP protocol support.])
270) 294fi
271 295
296TCP=1
272AC_ARG_ENABLE(tcp, 297AC_ARG_ENABLE(tcp,
273 [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
274 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$enableval" = xno; then
311 HTTP=0
312 fi
275) 313)
314if test "x$HTTP" = x1; then
315 AC_DEFINE_UNQUOTED(ENABLE_HTTP_PROXY, 1, [http proxy connect support.])
316fi
276 317
277AC_ARG_ENABLE(dns, 318AC_ARG_ENABLE(dns,
278 [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).)],
279 [ 320 [
280 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])])
281 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])])
282 323
283 AC_DEFINE_UNQUOTED(ENABLE_DNS, 1, [DNS tunnel protocol support.]) 324 AC_DEFINE_UNQUOTED(ENABLE_DNS, 1, [DNS tunnel protocol support.])
284 ] 325 ]
285) 326)
286 327
287AC_ARG_ENABLE(http-proxy, 328RSA=3072
288 [AS_HELP_STRING(--enable-http-proxy,enable http proxy connect support (default disabled).)], 329AC_ARG_ENABLE(rsa-length,
289 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
290) 333)
334AC_DEFINE_UNQUOTED(RSABITS, $RSA, [Size of RSA keys.])
291 335
292HMAC=12 336HMACSIZE=12
293AC_ARG_ENABLE(hmac-length, 337AC_ARG_ENABLE(hmac-length,
294 [AS_HELP_STRING(--enable-hmac-length=BYTES,[ 338 [AS_HELP_STRING(--enable-hmac-length=BYTES,[
295 use a hmac of length BYTES bytes (default 12). Allowed values are 4, 8, 12, 16.])], 339 use a hmac of length BYTES bytes (default 12). Allowed values are 4, 8, 12, 16.])],
296 HMAC=$enableval 340 HMACSIZE=$enableval
297) 341)
298AC_DEFINE_UNQUOTED(HMACLENGTH, $HMAC, [Size of HMAC in each packet in bytes.]) 342AC_DEFINE_UNQUOTED(HMACLENGTH, $HMACSIZE, [Size of HMAC in each packet in bytes.])
299
300RAND=8
301AC_ARG_ENABLE(rand-length,
302 [AS_HELP_STRING(--enable-rand-length=BYTES,
303 [use BYTES bytes of extra randomness (default 8). Allowed values are 0, 4, 8.])],
304 RAND=$enableval
305)
306AC_DEFINE_UNQUOTED(RAND_SIZE, $RAND, [Add this many bytes of randomness to each packet.])
307 343
308MTU=1500 344MTU=1500
309AC_ARG_ENABLE(mtu, 345AC_ARG_ENABLE(max-mtu,
310 [AS_HELP_STRING(--enable-max-mtu=BYTES,enable mtu sizes upto BYTES bytes (default 1500). Use 9100 for jumbogram support.)], 346 [AS_HELP_STRING(--enable-max-mtu=BYTES,enable mtu sizes upto BYTES bytes (default 1500). Use 9100 for jumbogram support.)],
311 MTU=$enableval 347 MTU=$enableval
312) 348)
313AC_DEFINE_UNQUOTED(MAX_MTU, $MTU + 14, [Maximum MTU supported.]) 349AC_DEFINE_UNQUOTED(MAX_MTU, ($MTU + 14), [Maximum MTU supported.])
314 350
315COMPRESS=1 351COMPRESS=1
316AC_ARG_ENABLE(compression, 352AC_ARG_ENABLE(compression,
317 [AS_HELP_STRING(--disable-compression,Disable compression support.)], 353 [AS_HELP_STRING(--disable-compression,Disable compression support.)],
318 if test "x$enableval" = xno; then 354 if test "x$enableval" = xno; then
319 COMPRESS=0 355 COMPRESS=0
320 fi 356 fi
321) 357)
322AC_DEFINE_UNQUOTED(ENABLE_COMPRESSION, $COMPRESS, [Enable compression support.]) 358AC_DEFINE_UNQUOTED(ENABLE_COMPRESSION, $COMPRESS, [Enable compression support.])
323 359
324CIPHER=bf_cbc 360CIPHER=aes_128_ctr
325AC_ARG_ENABLE(cipher, 361AC_ARG_ENABLE(cipher,
326 [AS_HELP_STRING(--enable-cipher,[ 362 [AS_HELP_STRING(--enable-cipher=CIPHER,[
327 Select the symmetric cipher (default "bf"). 363 Select the symmetric cipher (default "aes-128").
328 Must be one of "bf" (blowfish), "aes-128" (rijndael), "aes-192" or "aes-256".])], 364 Must be one of "aes-128" (rijndael), "aes-192", or "aes-256".])],
329 if test "x$enableval" = xbf ; then CIPHER=bf_cbc ; fi 365 #if test "x$enableval" = xbf ; then CIPHER=bf_ctr ; fi
330 if test "x$enableval" = xaes-128; then CIPHER=aes_128_cbc; fi 366 if test "x$enableval" = xaes-128 ; then CIPHER=aes_128_ctr ; fi
331 if test "x$enableval" = xaes-192; then CIPHER=aes_192_cbc; fi 367 if test "x$enableval" = xaes-192 ; then CIPHER=aes_192_ctr ; fi
332 if test "x$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$enableval" = xcamellia-256; then CIPHER=camellia_256_ctr; fi
333) 371)
334AC_DEFINE_UNQUOTED(ENABLE_CIPHER, EVP_${CIPHER}, [Select the symmetric cipher to use.]) 372AC_DEFINE_UNQUOTED(ENABLE_CIPHER, EVP_${CIPHER}, [Select the symmetric cipher to use.])
335 373
336DIGEST=sha1 374HMAC=sha1
337AC_ARG_ENABLE(digest, 375AC_ARG_ENABLE(hmac-digest,
338 [AS_HELP_STRING(--enable-digest,[ 376 [AS_HELP_STRING(--enable-hmac-digest=HMAC,[
339 Select the digets algorithm to use (default "sha1"). Must be one of 377 Select the HMAC digest algorithm to use (default "sha1"). Must be one of
340 "sha1", "ripemd160", "md5" or "md4" (insecure).])], 378 "sha512", "sha256", "sha1", "ripemd160", "whirlpool".])],
379 if test "x$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
341 if test "x$enableval" = xsha1 ; then DIGEST=sha1 ; fi 382 if test "x$enableval" = xsha1 ; then HMAC=sha1 ; fi
342 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
343 if test "x$enableval" = xmd5 ; then DIGEST=md5 ; fi 393 if test "x$enableval" = xsha512 ; then AUTH=sha512 ; fi
344 if test "x$enableval" = xmd4 ; then DIGEST=md4 ; fi 394 if test "x$enableval" = xsha256 ; then AUTH=sha256 ; fi
345) 395)
346AC_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.])
347 397
348if $CXX -v --help 2>&1 | grep -q fno-rtti; then 398if $CXX -v --help 2>&1 | grep -q fno-rtti; then
349 CXXFLAGS="$CXXFLAGS -fno-rtti" 399 CXXFLAGS="$CXXFLAGS -fno-rtti"
350fi 400fi
351 401
352if $CXX -v --help 2>&1 | grep -q fexceptions; then 402#if $CXX -v --help 2>&1 | grep -q fexceptions; then
353 CXXFLAGS="$CXXFLAGS -fno-exceptions" 403# CXXFLAGS="$CXXFLAGS -fno-exceptions"
354fi 404#fi
405
406LIBS="$EXTRA_LIBS $LIBS"
355 407
356dnl if $CXX -v --help 2>&1 | grep -q ffunction-sections; then 408dnl if $CXX -v --help 2>&1 | grep -q ffunction-sections; then
357dnl CXXFLAGS="$CXXFLAGS -ffunction-sections" 409dnl CXXFLAGS="$CXXFLAGS -ffunction-sections"
358dnl fi 410dnl fi
359dnl 411dnl
360dnl if $LD -v --help 2>&1 | grep -q gc-sections; then 412dnl if $LD -v --help 2>&1 | grep -q gc-sections; then
361dnl LDFLAGS="$LDFLAGS -Wl,--gc-sections" 413dnl LDFLAGS="$LDFLAGS -Wl,--gc-sections"
362dnl fi 414dnl fi
363 415
364AC_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
365 425
366echo 426echo
367echo "***" 427echo "***"
368echo "*** Configuration Summary" 428echo "*** Configuration Summary"
369echo "***" 429echo "***"
370echo "*** Kernel Iface: $IFTYPE/$IFSUBTYPE" 430echo "*** Kernel Iface: $IFTYPE/$IFSUBTYPE"
431echo "*** RSA size: $RSA"
371echo "*** Cipher used: $CIPHER" 432echo "*** Cipher used: $CIPHER"
372echo "*** Digest used: $DIGEST" 433echo "*** Digest used: $DIGEST"
434echo "*** Authdigest: $AUTH"
373echo "*** HMAC length: $HMAC" 435echo "*** HMAC length: $HMAC"
374echo "*** RAND used: $RAND"
375echo "*** Max. MTU: $MTU" 436echo "*** Max. MTU: $MTU"
376echo "*** Compression: $COMPRESS"
377 437
378if test "x$DIGEST" = xmd4; then
379echo "***" 438echo "***"
380echo "*** WARNING: The digest you have chosen ($DIGEST) is known to be insecure" 439echo "*** Enable options:"
381fi 440grep ENABLE_ config.h | sed -e 's/^/*** /'
382 441
383if test "$HMAC" -lt 12; then 442if test "$HMACSIZE" -lt 12; then
384echo "***" 443echo "***"
385echo "*** WARNING: The hmac length you have chosen ($HMAC) is probably insecure" 444echo "*** WARNING: The hmac length you have chosen ($HMACSIZE) is quite insecure"
386fi 445fi
387 446
388if test "$RAND" -lt 8; then
389echo "***" 447echo "***"
390echo "*** WARNING: The random prefix you have chosen ($RAND) is probably insecure"
391fi
392
393echo "***"
394
395echo 448echo
396 449
397]) 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
398 479
399AC_SUBST(INCLUDES) 480EOF
481fi
400 482
401AC_CONFIG_FILES([Makefile po/Makefile.in 483
402src/Makefile
403doc/Makefile
404lib/Makefile
405m4/Makefile
406])
407AC_OUTPUT

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