| 1 |
dnl Process this file with autoconf to produce a configure script. |
| 2 |
|
| 3 |
AC_PREREQ(2.59) |
| 4 |
AC_INIT |
| 5 |
AC_CONFIG_SRCDIR([src/gvpe.C]) |
| 6 |
AC_CANONICAL_TARGET |
| 7 |
AM_INIT_AUTOMAKE(gvpe, 2.24) |
| 8 |
AC_CONFIG_HEADERS([config.h]) |
| 9 |
AM_MAINTAINER_MODE |
| 10 |
|
| 11 |
AH_TOP([ |
| 12 |
#ifndef CONFIG_H__ |
| 13 |
#define CONFIG_H__ |
| 14 |
|
| 15 |
#ifdef __cplusplus |
| 16 |
using namespace std; |
| 17 |
#endif |
| 18 |
|
| 19 |
]) |
| 20 |
|
| 21 |
AH_BOTTOM([ |
| 22 |
typedef unsigned char u8; |
| 23 |
typedef signed char s8; |
| 24 |
|
| 25 |
#if __CYGWIN__ |
| 26 |
|
| 27 |
typedef unsigned short u16; |
| 28 |
typedef unsigned int u32; |
| 29 |
typedef signed short s16; |
| 30 |
typedef signed int s32; |
| 31 |
|
| 32 |
#else |
| 33 |
#include <inttypes.h> |
| 34 |
|
| 35 |
/* old modula-2 habits */ |
| 36 |
typedef uint16_t u16; |
| 37 |
typedef uint32_t u32; |
| 38 |
typedef int16_t s16; |
| 39 |
typedef int32_t s32; |
| 40 |
#endif |
| 41 |
|
| 42 |
#endif |
| 43 |
|
| 44 |
#if HAVE_CLOCALE |
| 45 |
# define CLOCALE <clocale> |
| 46 |
#else |
| 47 |
# define CLOCALE <locale.h> |
| 48 |
#endif |
| 49 |
]) |
| 50 |
|
| 51 |
dnl Include the macros from the m4/ directory |
| 52 |
AM_ACLOCAL_INCLUDE(m4) |
| 53 |
|
| 54 |
AM_GNU_GETTEXT([external]) |
| 55 |
AM_GNU_GETTEXT_VERSION(0.11.5) |
| 56 |
|
| 57 |
# Enable GNU extensions. |
| 58 |
# Define this here, not in acconfig's @TOP@ section, since definitions |
| 59 |
# in the latter don't make it into the configure-time tests. |
| 60 |
AC_DEFINE([_GNU_SOURCE], 1, [Enable GNU extensions]) |
| 61 |
|
| 62 |
# do NOT define POSIX_SOURCE, sicne this clashes with many BSDs |
| 63 |
dnl AC_DEFINE([_POSIX_SOURCE], 1, [Enable POSIX 1003.1 extensions]) |
| 64 |
dnl AC_DEFINE([_XOPEN_SOURCE], 500, [Enable XOPEN extensions]) |
| 65 |
|
| 66 |
ALL_LINGUAS="" |
| 67 |
|
| 68 |
dnl Checks for programs. |
| 69 |
AC_PROG_CPP |
| 70 |
AC_PROG_CXX |
| 71 |
AC_PROG_GCC_TRADITIONAL |
| 72 |
AC_PROG_AWK |
| 73 |
AC_PROG_INSTALL |
| 74 |
AC_PROG_LN_S |
| 75 |
AC_PROG_MAKE_SET |
| 76 |
AC_PROG_RANLIB |
| 77 |
|
| 78 |
AC_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 $enableval | sed s%.*/%%` |
| 103 |
] |
| 104 |
) |
| 105 |
|
| 106 |
dnl Check and set OS |
| 107 |
AC_MSG_CHECKING(for kernel networking interface type) |
| 108 |
|
| 109 |
if test "x$IFTYPE" = "x"; then |
| 110 |
case $target_os in |
| 111 |
*linux*) |
| 112 |
IFTYPE=native |
| 113 |
IFSUBTYPE=linux |
| 114 |
AC_DEFINE(HAVE_LINUX, 1, [Linux]) |
| 115 |
;; |
| 116 |
*freebsd*) |
| 117 |
IFTYPE=tincd |
| 118 |
IFSUBTYPE=freebsd |
| 119 |
AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD]) |
| 120 |
;; |
| 121 |
*darwin*) |
| 122 |
IFTYPE=native |
| 123 |
IFSUBTYPE=darwin |
| 124 |
AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)]) |
| 125 |
;; |
| 126 |
*solaris*) |
| 127 |
IFTYPE=tincd |
| 128 |
IFSUBTYPE=solaris |
| 129 |
AC_DEFINE(HAVE_SOLARIS, 1, [Solaris/SunOS]) |
| 130 |
;; |
| 131 |
*openbsd*) |
| 132 |
IFTYPE=tincd |
| 133 |
IFSUBTYPE=openbsd |
| 134 |
AC_DEFINE(HAVE_OPENBSD, 1, [OpenBSD]) |
| 135 |
;; |
| 136 |
*netbsd*) |
| 137 |
IFTYPE=tincd |
| 138 |
IFSUBTYPE=netbsd |
| 139 |
AC_DEFINE(HAVE_NETBSD, 1, [NetBSD]) |
| 140 |
;; |
| 141 |
*cygwin*) |
| 142 |
IFTYPE=native |
| 143 |
IFSUBTYPE=cygwin |
| 144 |
AC_DEFINE(HAVE_CYGWIN, 1, [Cygwin]) |
| 145 |
;; |
| 146 |
*) |
| 147 |
AC_MSG_ERROR("Unknown operating system.") |
| 148 |
;; |
| 149 |
esac |
| 150 |
fi |
| 151 |
AC_MSG_RESULT($IFTYPE/$IFSUBTYPE) |
| 152 |
AC_SUBST(IFTYPE,$IFTYPE) |
| 153 |
AC_SUBST(IFSUBTYPE,$IFSUBTYPE) |
| 154 |
AC_DEFINE_UNQUOTED(IFTYPE,"$IFTYPE",[kernel interface type]) |
| 155 |
AC_DEFINE_UNQUOTED(IFSUBTYPE,"$IFSUBTYPE",[kernel interface subtype]) |
| 156 |
|
| 157 |
AC_CACHE_SAVE |
| 158 |
|
| 159 |
dnl Checks for libraries. |
| 160 |
|
| 161 |
AC_LANG(C++) |
| 162 |
AC_CHECK_HEADERS(tr1/unordered_map ext/hash_map clocale) |
| 163 |
|
| 164 |
dnl Checks for header files. |
| 165 |
AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h malloc.h stdint.h strings.h syslog.h unistd.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]) |
| 168 |
AC_CHECK_HEADERS([arpa/inet.h net/ethernet.h net/if.h netinet/ip.h netinet/tcp.h netinet/in_systm.h], [], [], |
| 169 |
[ |
| 170 |
#include <sys/types.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 |
| 178 |
#ifdef HAVE_NETINET_IN_SYSTM_H |
| 179 |
# include <netinet/in_systm.h> |
| 180 |
#endif |
| 181 |
]) |
| 182 |
|
| 183 |
dnl Checks for typedefs, structures, and compiler characteristics. |
| 184 |
AC_C_CONST |
| 185 |
AC_TYPE_PID_T |
| 186 |
AC_TYPE_SIZE_T |
| 187 |
AC_HEADER_TIME |
| 188 |
AC_STRUCT_TM |
| 189 |
|
| 190 |
AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t, |
| 191 |
[ |
| 192 |
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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]) |
| 194 |
]) |
| 195 |
if test $ac_cv_type_socklen_t = yes; then |
| 196 |
AC_DEFINE(HAVE_SOCKLEN_T, 1, [socklen_t available]) |
| 197 |
fi |
| 198 |
|
| 199 |
AC_CACHE_CHECK([for struct addrinfo], ac_cv_struct_addrinfo, |
| 200 |
[ |
| 201 |
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> |
| 202 |
#include <sys/socket.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]) |
| 204 |
]) |
| 205 |
if test $ac_cv_struct_addrinfo = yes; then |
| 206 |
AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1, [struct addrinfo available]) |
| 207 |
fi |
| 208 |
|
| 209 |
dnl Checks for library functions. |
| 210 |
AC_TYPE_SIGNAL |
| 211 |
|
| 212 |
AC_LANG_PUSH(C) |
| 213 |
|
| 214 |
AC_HEADER_STDC |
| 215 |
|
| 216 |
dnl argl, could somebody catapult darwin into the 21st century??? |
| 217 |
AC_CHECK_FUNCS(asprintf daemon get_current_dir_name putenv select strerror strsignal strtol unsetenv mlockall) |
| 218 |
|
| 219 |
AC_FUNC_ALLOCA |
| 220 |
|
| 221 |
dnl Support for SunOS |
| 222 |
|
| 223 |
AC_CHECK_FUNC(socket, [], [ |
| 224 |
AC_CHECK_LIB(socket, connect) |
| 225 |
]) |
| 226 |
AC_CHECK_FUNC(gethostbyname, [], [ |
| 227 |
AC_CHECK_LIB(nsl, gethostbyname) |
| 228 |
]) |
| 229 |
|
| 230 |
dnl libev support |
| 231 |
m4_include([libev/libev.m4]) |
| 232 |
|
| 233 |
AC_LANG_POP |
| 234 |
|
| 235 |
dnl AC_CHECK_FUNCS([freeaddrinfo gai_strerror getaddrinfo getnameinfo]) |
| 236 |
|
| 237 |
AC_CACHE_SAVE |
| 238 |
|
| 239 |
dnl These are defined in files in m4/ |
| 240 |
tinc_TUNTAP |
| 241 |
|
| 242 |
tinc_OPENSSL |
| 243 |
if test "x$openssl_include" != x; then |
| 244 |
CXXFLAGS="$CXXFLAGS -I$openssl_include" |
| 245 |
fi |
| 246 |
dnl tinc_ZLIB |
| 247 |
|
| 248 |
AC_ARG_ENABLE(threads, |
| 249 |
[AS_HELP_STRING(--enable-threads,try to use threads for long-running asynchronous operations (default enabled).)], |
| 250 |
[try_threads=$enableval], |
| 251 |
[try_threads=yes] |
| 252 |
) |
| 253 |
|
| 254 |
if test "x$try_threads" = xyes; then |
| 255 |
AC_CHECK_HEADER(pthread.h,[ |
| 256 |
LIBS="$LIBS -lpthread" |
| 257 |
AC_COMPILE_IFELSE( |
| 258 |
[AC_LANG_PROGRAM([#include <pthread.h>], [pthread_t id; pthread_create (&id, 0, 0, 0);])], |
| 259 |
[AC_DEFINE_UNQUOTED(ENABLE_PTHREADS, 1, [POSIX thread support.])] |
| 260 |
) |
| 261 |
]) |
| 262 |
fi |
| 263 |
|
| 264 |
AC_ARG_ENABLE(static-daemon, |
| 265 |
[AS_HELP_STRING(--enable-static-daemon,enable statically linked daemon.)], |
| 266 |
[LDFLAGS_DAEMON=-static] |
| 267 |
) |
| 268 |
AC_SUBST(LDFLAGS_DAEMON) |
| 269 |
|
| 270 |
dnl AC_ARG_ENABLE(rohc, |
| 271 |
dnl [AS_HELP_STRING(--enable-rohc,enable robust header compression (rfc3095).)], |
| 272 |
dnl [ |
| 273 |
dnl echo |
| 274 |
dnl echo "**********************************************************************" |
| 275 |
dnl echo "**********************************************************************" |
| 276 |
dnl echo "**** --enable-rohc is highly experimental, do not use ****************" |
| 277 |
dnl echo "**********************************************************************" |
| 278 |
dnl echo "**********************************************************************" |
| 279 |
dnl echo |
| 280 |
dnl rohc=true |
| 281 |
dnl AC_DEFINE_UNQUOTED(ENABLE_ROHC, 1, [ROHC support]) |
| 282 |
dnl ] |
| 283 |
dnl ) |
| 284 |
|
| 285 |
AM_CONDITIONAL(ROHC, test x$rohc = xtrue) |
| 286 |
|
| 287 |
dnl AC_ARG_ENABLE(bridging, |
| 288 |
dnl [AS_HELP_STRING(--enable-bridging,enable bridging support (default disabled).)], |
| 289 |
dnl AC_DEFINE_UNQUOTED(ENABLE_BRIDGING, 1, [bridging support.]) |
| 290 |
dnl ) |
| 291 |
|
| 292 |
ICMP=1 |
| 293 |
AC_ARG_ENABLE(icmp, |
| 294 |
[AS_HELP_STRING(--disable-icmp,enable icmp protocol support (default enabled).)], |
| 295 |
if test "x$enableval" = xno; then |
| 296 |
ICMP=0 |
| 297 |
fi |
| 298 |
) |
| 299 |
if test "x$ICMP" = x1; then |
| 300 |
AC_DEFINE_UNQUOTED(ENABLE_ICMP, 1, [ICMP protocol support.]) |
| 301 |
fi |
| 302 |
|
| 303 |
TCP=1 |
| 304 |
AC_ARG_ENABLE(tcp, |
| 305 |
[AS_HELP_STRING(--disable-tcp,enable tcp protocol support (default enabled).)], |
| 306 |
if test "x$enableval" = xno; then |
| 307 |
TCP=0 |
| 308 |
fi |
| 309 |
) |
| 310 |
if test "x$TCP" = x1; then |
| 311 |
AC_DEFINE_UNQUOTED(ENABLE_TCP, 1, [TCP protocol support.]) |
| 312 |
fi |
| 313 |
|
| 314 |
HTTP=1 |
| 315 |
AC_ARG_ENABLE(http-proxy, |
| 316 |
[AS_HELP_STRING(--disable-http-proxy,enable http proxy connect support (default enabled).)], |
| 317 |
if test "x$enableval" = xno; then |
| 318 |
HTTP=0 |
| 319 |
fi |
| 320 |
) |
| 321 |
if test "x$HTTP" = x1; then |
| 322 |
AC_DEFINE_UNQUOTED(ENABLE_HTTP_PROXY, 1, [http proxy connect support.]) |
| 323 |
fi |
| 324 |
|
| 325 |
AC_ARG_ENABLE(dns, |
| 326 |
[AS_HELP_STRING(--enable-dns,enable dns tunnel protocol support (default disabled).)], |
| 327 |
[ |
| 328 |
AC_CHECK_HEADER(gmp.h,,[AC_MSG_ERROR([gmp.h not found, required for --enable-dns])]) |
| 329 |
AC_CHECK_LIB(gmp,main,,[AC_MSG_ERROR([libgmp not found, required for --enable-dns])]) |
| 330 |
|
| 331 |
AC_DEFINE_UNQUOTED(ENABLE_DNS, 1, [DNS tunnel protocol support.]) |
| 332 |
] |
| 333 |
) |
| 334 |
|
| 335 |
HMAC=12 |
| 336 |
AC_ARG_ENABLE(hmac-length, |
| 337 |
[AS_HELP_STRING(--enable-hmac-length=BYTES,[ |
| 338 |
use a hmac of length BYTES bytes (default 12). Allowed values are 4, 8, 12, 16.])], |
| 339 |
HMAC=$enableval |
| 340 |
) |
| 341 |
AC_DEFINE_UNQUOTED(HMACLENGTH, $HMAC, [Size of HMAC in each packet in bytes.]) |
| 342 |
|
| 343 |
RAND=8 |
| 344 |
AC_ARG_ENABLE(rand-length, |
| 345 |
[AS_HELP_STRING(--enable-rand-length=BYTES, |
| 346 |
[use BYTES bytes of extra randomness (default 8). Allowed values are 0, 4, 8.])], |
| 347 |
RAND=$enableval |
| 348 |
) |
| 349 |
AC_DEFINE_UNQUOTED(RAND_SIZE, $RAND, [Add this many bytes of randomness to each packet.]) |
| 350 |
|
| 351 |
MTU=1500 |
| 352 |
AC_ARG_ENABLE(max-mtu, |
| 353 |
[AS_HELP_STRING(--enable-max-mtu=BYTES,enable mtu sizes upto BYTES bytes (default 1500). Use 9100 for jumbogram support.)], |
| 354 |
MTU=$enableval |
| 355 |
) |
| 356 |
AC_DEFINE_UNQUOTED(MAX_MTU, ($MTU + 14), [Maximum MTU supported.]) |
| 357 |
|
| 358 |
COMPRESS=1 |
| 359 |
AC_ARG_ENABLE(compression, |
| 360 |
[AS_HELP_STRING(--disable-compression,Disable compression support.)], |
| 361 |
if test "x$enableval" = xno; then |
| 362 |
COMPRESS=0 |
| 363 |
fi |
| 364 |
) |
| 365 |
AC_DEFINE_UNQUOTED(ENABLE_COMPRESSION, $COMPRESS, [Enable compression support.]) |
| 366 |
|
| 367 |
CIPHER=aes_128_cbc |
| 368 |
AC_ARG_ENABLE(cipher, |
| 369 |
[AS_HELP_STRING(--enable-cipher=CIPHER,[ |
| 370 |
Select the symmetric cipher (default "aes-128"). |
| 371 |
Must be one of "bf" (blowfish), "aes-128" (rijndael), "aes-192" or "aes-256".])], |
| 372 |
if test "x$enableval" = xbf ; then CIPHER=bf_cbc ; fi |
| 373 |
if test "x$enableval" = xaes-128; then CIPHER=aes_128_cbc; fi |
| 374 |
if test "x$enableval" = xaes-192; then CIPHER=aes_192_cbc; fi |
| 375 |
if test "x$enableval" = xaes-256; then CIPHER=aes_256_cbc; fi |
| 376 |
) |
| 377 |
AC_DEFINE_UNQUOTED(ENABLE_CIPHER, EVP_${CIPHER}, [Select the symmetric cipher to use.]) |
| 378 |
|
| 379 |
DIGEST=ripemd160 |
| 380 |
AC_ARG_ENABLE(digest, |
| 381 |
[AS_HELP_STRING(--enable-digest=CIPHER,[ |
| 382 |
Select the digest algorithm to use (default "ripemd160"). Must be one of |
| 383 |
"sha512", "sha256", "sha1" (somewhat insecure), "ripemd160", "md5" (insecure) or "md4" (insecure).])], |
| 384 |
if test "x$enableval" = xsha512 ; then DIGEST=sha512 ; fi |
| 385 |
if test "x$enableval" = xsha256 ; then DIGEST=sha256 ; fi |
| 386 |
if test "x$enableval" = xsha1 ; then DIGEST=sha1 ; fi |
| 387 |
if test "x$enableval" = xripemd160; then DIGEST=ripemd160; fi |
| 388 |
if test "x$enableval" = xmd5 ; then DIGEST=md5 ; fi |
| 389 |
if test "x$enableval" = xmd4 ; then DIGEST=md4 ; fi |
| 390 |
) |
| 391 |
AC_DEFINE_UNQUOTED(ENABLE_DIGEST, EVP_${DIGEST}, [Select the digest algorithm to use.]) |
| 392 |
|
| 393 |
if $CXX -v --help 2>&1 | grep -q fno-rtti; then |
| 394 |
CXXFLAGS="$CXXFLAGS -fno-rtti" |
| 395 |
fi |
| 396 |
|
| 397 |
#if $CXX -v --help 2>&1 | grep -q fexceptions; then |
| 398 |
# CXXFLAGS="$CXXFLAGS -fno-exceptions" |
| 399 |
#fi |
| 400 |
|
| 401 |
LIBS="$EXTRA_LIBS $LIBS" |
| 402 |
|
| 403 |
dnl if $CXX -v --help 2>&1 | grep -q ffunction-sections; then |
| 404 |
dnl CXXFLAGS="$CXXFLAGS -ffunction-sections" |
| 405 |
dnl fi |
| 406 |
dnl |
| 407 |
dnl if $LD -v --help 2>&1 | grep -q gc-sections; then |
| 408 |
dnl LDFLAGS="$LDFLAGS -Wl,--gc-sections" |
| 409 |
dnl fi |
| 410 |
|
| 411 |
AC_SUBST(INCLUDES) |
| 412 |
|
| 413 |
AC_CONFIG_FILES([Makefile po/Makefile.in |
| 414 |
src/Makefile |
| 415 |
doc/Makefile |
| 416 |
lib/Makefile |
| 417 |
m4/Makefile |
| 418 |
]) |
| 419 |
AC_OUTPUT |
| 420 |
|
| 421 |
echo |
| 422 |
echo "***" |
| 423 |
echo "*** Configuration Summary" |
| 424 |
echo "***" |
| 425 |
echo "*** Kernel Iface: $IFTYPE/$IFSUBTYPE" |
| 426 |
echo "*** Cipher used: $CIPHER" |
| 427 |
echo "*** Digest used: $DIGEST" |
| 428 |
echo "*** HMAC length: $HMAC" |
| 429 |
echo "*** RAND used: $RAND" |
| 430 |
echo "*** Max. MTU: $MTU" |
| 431 |
|
| 432 |
echo "***" |
| 433 |
echo "*** Enable options:" |
| 434 |
grep ENABLE_ config.h | sed -e 's/^/*** /' |
| 435 |
|
| 436 |
if test "x$DIGEST" = xmd4; then |
| 437 |
echo "***" |
| 438 |
echo "*** WARNING: The digest you have chosen ($DIGEST) is known to be insecure" |
| 439 |
fi |
| 440 |
|
| 441 |
if test "x$DIGEST" = xmd5; then |
| 442 |
echo "***" |
| 443 |
echo "*** WARNING: The digest you have chosen ($DIGEST) is probably insecure" |
| 444 |
fi |
| 445 |
|
| 446 |
if test "$HMAC" -lt 12; then |
| 447 |
echo "***" |
| 448 |
echo "*** WARNING: The hmac length you have chosen ($HMAC) is probably insecure" |
| 449 |
fi |
| 450 |
|
| 451 |
if test "$RAND" -lt 8; then |
| 452 |
echo "***" |
| 453 |
echo "*** WARNING: The random prefix you have chosen ($RAND) is probably insecure" |
| 454 |
fi |
| 455 |
|
| 456 |
echo "***" |
| 457 |
echo |
| 458 |
|
| 459 |
|
