configure.in

   1 AC_INIT(ssh.c)
   2
   3 AC_CONFIG_HEADER(config.h)
   4 AC_PROG_CC
   5 AC_CANONICAL_HOST
   6
   7 # Checks for programs.
   8 AC_PROG_CPP
   9 AC_PROG_RANLIB
  10 AC_PROG_INSTALL
  11 AC_CHECK_PROG(AR, ar, ar)
  12 AC_PATH_PROG(PERL, perl)
  13 AC_SUBST(PERL)
  14
  15 if test -z "$LD" ; then
  16         LD=$CC
  17 fi
  18 AC_SUBST(LD)
  19
  20 # C Compiler features
  21 AC_C_INLINE
  22 if test "$GCC" = "yes"; then
  23         CFLAGS="$CFLAGS -Wall"
  24 fi
  25
  26 # Check for some target-specific stuff
  27 case "$host" in
  28 *-*-aix*)
  29         AFS_LIBS="-lld"
  30         CFLAGS="$CFLAGS -I/usr/local/include"
  31         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  32         if test "$LD" != "gcc" -a -z "$blibpath"; then
  33                 blibpath="/usr/lib:/lib:/usr/local/lib"
  34         fi
  35         AC_DEFINE(BROKEN_GETADDRINFO)
  36         ;;
  37 *-*-hpux10*)
  38         if test -z "$GCC"; then
  39                 CFLAGS="$CFLAGS -Aa"
  40         fi
  41         CFLAGS="$CFLAGS -D_HPUX_SOURCE"
  42         CFLAGS="$CFLAGS -I/usr/local/include"
  43         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  44         AC_DEFINE(IPADDR_IN_DISPLAY)
  45         AC_DEFINE(USE_UTMPX)
  46         AC_MSG_CHECKING(for HPUX trusted system password database)
  47         if test -f /tcb/files/auth/system/default; then
  48                 AC_MSG_RESULT(yes)
  49                 AC_DEFINE(HAVE_HPUX_TRUSTED_SYSTEM_PW)
  50                 LIBS="$LIBS -lsec"
  51                 AC_MSG_WARN([This configuration is untested])
  52         else
  53                 AC_MSG_RESULT(no)
  54                 AC_DEFINE(DISABLE_SHADOW)
  55         fi
  56         MANTYPE='$(CATMAN)'
  57         mansubdir=cat
  58         ;;
  59 *-*-hpux11*)
  60         if test -z "$GCC"; then
  61                 CFLAGS="$CFLAGS -Ae"
  62         fi
  63         CFLAGS="$CFLAGS -D_HPUX_SOURCE"
  64         CFLAGS="$CFLAGS -I/usr/local/include"
  65         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  66         AC_DEFINE(IPADDR_IN_DISPLAY)
  67         AC_DEFINE(USE_UTMPX)
  68         AC_MSG_CHECKING(for HPUX trusted system password database)
  69         if test -f /tcb/files/auth/system/default; then
  70                 AC_MSG_RESULT(yes)
  71                 AC_DEFINE(HAVE_HPUX_TRUSTED_SYSTEM_PW)
  72                 LIBS="$LIBS -lsec"
  73                 AC_MSG_WARN([This configuration is untested])
  74         else
  75                 AC_MSG_RESULT(no)
  76                 AC_DEFINE(DISABLE_SHADOW)
  77         fi
  78         MANTYPE='$(CATMAN)'
  79         mansubdir=cat
  80         ;;
  81 *-*-irix5*)
  82         CFLAGS="$CFLAGS -I/usr/local/include"
  83         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  84         MANTYPE='$(CATMAN)'
  85         no_libsocket=1
  86         no_libnsl=1
  87         ;;
  88 *-*-irix6*)
  89         CFLAGS="$CFLAGS -I/usr/local/include"
  90         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  91         MANTYPE='$(CATMAN)'
  92         AC_MSG_WARN([*** Irix 6.x is not tested, please report you experiences *** ])
  93         no_libsocket=1
  94         no_libnsl=1
  95         ;;
  96 *-*-linux*)
  97         no_dev_ptmx=1
  98         AC_DEFINE(DONT_TRY_OTHER_AF)
  99         inet6_default_4in6=yes
 100         ;;
 101 *-*-netbsd*)
 102         need_dash_r=1
 103         ;;
 104 *-*-solaris*)
 105         CFLAGS="$CFLAGS -I/usr/local/include"
 106         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib -L/usr/ucblib -R/usr/ucblib"
 107         need_dash_r=1
 108         AC_DEFINE(USE_UTMPX)
 109         ;;
 110 *-*-sysv*)
 111         CFLAGS="$CFLAGS -I/usr/local/include"
 112         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 113         AC_DEFINE(USE_UTMPX)
 114         MANTYPE='$(CATMAN)'
 115         mansubdir=cat
 116         LIBS="$LIBS -lgen -lsocket"
 117         ;;
 118 esac
 119
 120 # Checks for libraries.
 121 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first ***]))
 122 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
 123
 124 if test -z "$no_libsocket" ; then
 125         AC_CHECK_LIB(nsl, yp_match, , )
 126 fi
 127 if test -z "$no_libnsl" ; then
 128         AC_CHECK_LIB(socket, main, , )
 129 fi
 130
 131 # Checks for header files.
 132 AC_CHECK_HEADERS(bstring.h endian.h lastlog.h login.h maillock.h netdb.h netgroup.h netinet/in_systm.h paths.h poll.h pty.h shadow.h security/pam_appl.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h sys/poll.h sys/select.h sys/stropts.h sys/sysmacros.h sys/time.h sys/ttcompat.h stddef.h util.h utmp.h utmpx.h)
 133
 134 # Checks for library functions.
 135 AC_CHECK_FUNCS(arc4random bindresvport_af clock freeaddrinfo gai_strerror getaddrinfo getnameinfo getrusage innetgr md5_crypt mkdtemp openpty rresvport_af setenv seteuid setlogin setproctitle setreuid snprintf strlcat strlcpy updwtmpx vsnprintf vhangup _getpty)
 136
 137 AC_CHECK_FUNC(login,
 138         [AC_DEFINE(HAVE_LOGIN)],
 139         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 140 )
 141
 142 AC_CHECK_FUNC(daemon,
 143         [AC_DEFINE(HAVE_DAEMON)],
 144         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 145 )
 146
 147 AC_CHECK_FUNC(getpagesize,
 148         [AC_DEFINE(HAVE_GETPAGESIZE)],
 149         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 150 )
 151
 152 AC_ARG_WITH(pam,
 153         [  --without-pam           Disable PAM support ],
 154         [
 155                 if test "x$withval" = "xno" ; then
 156                         no_pam=1
 157                         AC_DEFINE(DISABLE_PAM)
 158                 fi
 159         ]
 160 )
 161 if test -z "$no_pam" -a "x$ac_cv_header_security_pam_appl_h" = "xyes" ; then
 162         AC_CHECK_LIB(dl, dlopen, , )
 163         LIBS="$LIBS -lpam"
 164
 165         AC_CHECK_FUNC(pam_getenvlist)
 166
 167         # Check PAM strerror arguments (old PAM)
 168         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 169         AC_TRY_COMPILE(
 170                 [
 171 #include <stdlib.h>
 172 #include <security/pam_appl.h>
 173                 ],
 174                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 175                 [AC_MSG_RESULT(no)],
 176                 [
 177                         AC_DEFINE(HAVE_OLD_PAM)
 178                         AC_MSG_RESULT(yes)
 179                 ]
 180         )
 181 fi
 182
 183 # The big search for OpenSSL
 184 AC_ARG_WITH(ssl-dir,
 185         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 186         [
 187                 if test "x$withval" != "$xno" ; then
 188                         tryssldir=$withval
 189                 fi
 190         ]
 191 )
 192
 193 saved_LIBS="$LIBS"
 194 saved_LDFLAGS="$LDFLAGS"
 195 saved_CFLAGS="$CFLAGS"
 196 if test "x$prefix" != "xNONE" ; then
 197         tryssldir="$tryssldir $prefix"
 198 fi
 199 AC_MSG_CHECKING([for OpenSSL/SSLeay directory])
 200 for ssldir in "" $tryssldir /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 201         if test ! -z "$ssldir" ; then
 202                 LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 203                 CFLAGS="$saved_CFLAGS -I$ssldir/include"
 204                 if test ! -z "$need_dash_r" ; then
 205                         LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 206                 fi
 207         else
 208                 LDFLAGS="$saved_LDFLAGS"
 209         fi
 210
 211         for WANTS_RSAREF in "" 1 ; do
 212
 213                 if test -z "$WANTS_RSAREF" ; then
 214                         LIBS="$saved_LIBS -lcrypto"
 215                 else
 216                         LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
 217                 fi
 218
 219                 AC_TRY_RUN(
 220                         [
 221 #include <string.h>
 222 #include <openssl/rand.h>
 223 #include <openssl/rsa.h>
 224 #include <openssl/bn.h>
 225 #include <openssl/sha.h>
 226 int main(void)
 227 {
 228         RSA *key; char a[2048],b[2048];;
 229         memset(a, 0, sizeof(a));memset(b, 0, sizeof(b));
 230         RAND_add(a, sizeof(a), sizeof(a));
 231         key=RSA_generate_key(32,3,NULL,NULL);
 232         if (key==NULL) return(1);
 233         return(-1==RSA_private_decrypt(RSA_size(key),a,b,key,RSA_NO_PADDING));
 234 }
 235                         ],
 236                         [
 237                                 AC_DEFINE(HAVE_OPENSSL)
 238                                 found_crypto=1
 239                                 break;
 240                         ], []
 241                 )
 242         done
 243
 244         if test ! -z "$found_crypto" ; then
 245                 break;
 246         fi
 247 done
 248
 249 if test -z "$found_crypto" ; then
 250         AC_MSG_ERROR([Could not find working SSLeay / OpenSSL libraries, please install])
 251 fi
 252 if test -z "$ssldir" ; then
 253         ssldir="(system)"
 254 else
 255         CFLAGS="$saved_CFLAGS -I$ssldir/include"
 256         LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 257         if test ! -z "$need_dash_r" ; then
 258                 LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 259         fi
 260         if test ! -z "$blibpath" ; then
 261                 blibpath="$blibpath:$ssldir:$ssldir/lib"
 262         fi
 263 fi
 264 if test -z "$WANTS_RSAREF" ; then
 265         LIBS="$saved_LIBS -lcrypto"
 266 else
 267         LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
 268 fi
 269 AC_MSG_RESULT($ssldir)
 270
 271 # Checks for data types
 272 AC_CHECK_SIZEOF(char, 1)
 273 AC_CHECK_SIZEOF(short int, 2)
 274 AC_CHECK_SIZEOF(int, 4)
 275 AC_CHECK_SIZEOF(long int, 4)
 276 AC_CHECK_SIZEOF(long long int, 8)
 277
 278 # More checks for data types
 279 AC_MSG_CHECKING([for intXX_t types])
 280 AC_TRY_COMPILE(
 281         [#include <sys/types.h>],
 282         [int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 283         [
 284                 AC_DEFINE(HAVE_INTXX_T)
 285                 AC_MSG_RESULT(yes)
 286                 have_intxx_t=1
 287         ],
 288         [AC_MSG_RESULT(no)]
 289 )
 290
 291 AC_MSG_CHECKING([for u_intXX_t types])
 292 AC_TRY_COMPILE(
 293         [#include <sys/types.h>],
 294         [u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 295         [
 296                 AC_DEFINE(HAVE_U_INTXX_T)
 297                 AC_MSG_RESULT(yes)
 298                 have_u_intxx_t=1
 299         ],
 300         [AC_MSG_RESULT(no)]
 301 )
 302
 303 if test -z "$have_u_intxx_t" -o -z "$have_intxx_t" -a \
 304            "x$ac_cv_header_sys_bitypes_h" = "xyes"
 305 then
 306         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 307         AC_TRY_COMPILE(
 308                 [#include <sys/bitypes.h>],
 309                 [
 310                         int8_t a; int16_t b; int32_t c;
 311                         u_int8_t e; u_int16_t f; u_int32_t g;
 312                         a = b = c = e = f = g = 1;
 313                 ],
 314                 [
 315                         AC_DEFINE(HAVE_U_INTXX_T)
 316                         AC_DEFINE(HAVE_INTXX_T)
 317                         AC_MSG_RESULT(yes)
 318                 ],
 319                 [AC_MSG_RESULT(no)]
 320         )
 321 fi
 322
 323 if test -z "$have_u_intxx_t" ; then
 324         AC_MSG_CHECKING([for uintXX_t types])
 325         AC_TRY_COMPILE(
 326                 [#include <sys/types.h>],
 327                 [uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
 328                 [
 329                         AC_DEFINE(HAVE_UINTXX_T)
 330                         AC_MSG_RESULT(yes)
 331                 ],
 332                 [AC_MSG_RESULT(no)]
 333         )
 334 fi
 335
 336 AC_MSG_CHECKING([for socklen_t])
 337 AC_TRY_COMPILE(
 338         [
 339 #include <sys/types.h>
 340 #include <sys/socket.h>
 341         ],
 342         [socklen_t foo; foo = 1235;],
 343         [
 344                 AC_DEFINE(HAVE_SOCKLEN_T)
 345                 AC_MSG_RESULT(yes)
 346         ],
 347         [AC_MSG_RESULT(no)]
 348 )
 349
 350 AC_MSG_CHECKING([for size_t])
 351 AC_TRY_COMPILE(
 352         [#include <sys/types.h>],
 353         [size_t foo; foo = 1235;],
 354         [
 355                 AC_DEFINE(HAVE_SIZE_T)
 356                 AC_MSG_RESULT(yes)
 357         ],
 358         [AC_MSG_RESULT(no)]
 359 )
 360
 361 AC_MSG_CHECKING([for struct sockaddr_storage])
 362 AC_TRY_COMPILE(
 363         [
 364 #include <sys/types.h>
 365 #include <sys/socket.h>
 366         ],
 367         [struct sockaddr_storage s;],
 368         [
 369                 AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
 370                 AC_MSG_RESULT(yes)
 371         ],
 372         [AC_MSG_RESULT(no)]
 373 )
 374
 375 AC_MSG_CHECKING([for struct sockaddr_in6])
 376 AC_TRY_COMPILE(
 377         [#include <netinet/in.h>],
 378         [struct sockaddr_in6 s; s.sin6_family = 0;],
 379         [
 380                 AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
 381                 AC_MSG_RESULT(yes)
 382         ],
 383         [AC_MSG_RESULT(no)]
 384 )
 385
 386 AC_MSG_CHECKING([for struct in6_addr])
 387 AC_TRY_COMPILE(
 388         [#include <netinet/in.h>],
 389         [struct in6_addr s; s.s6_addr[0] = 0;],
 390         [
 391                 AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
 392                 AC_MSG_RESULT(yes)
 393         ],
 394         [AC_MSG_RESULT(no)]
 395 )
 396
 397 AC_MSG_CHECKING([for struct addrinfo])
 398 AC_TRY_COMPILE(
 399         [
 400 #include <sys/types.h>
 401 #include <sys/socket.h>
 402 #include <netdb.h>
 403         ],
 404         [struct addrinfo s; s.ai_flags = AI_PASSIVE;],
 405         [
 406                 AC_DEFINE(HAVE_STRUCT_ADDRINFO)
 407                 AC_MSG_RESULT(yes)
 408         ],
 409         [AC_MSG_RESULT(no)]
 410 )
 411
 412 # Checks for structure members
 413 AC_MSG_CHECKING([whether utmp.h has ut_host field])
 414 AC_EGREP_HEADER(ut_host, utmp.h,
 415         [AC_DEFINE(HAVE_HOST_IN_UTMP) AC_MSG_RESULT(yes); ],
 416         [AC_MSG_RESULT(no)]
 417 )
 418 AC_MSG_CHECKING([whether utmpx.h has ut_host field])
 419 AC_EGREP_HEADER(ut_host, utmpx.h,
 420         [AC_DEFINE(HAVE_HOST_IN_UTMPX) AC_MSG_RESULT(yes); ],
 421         [AC_MSG_RESULT(no)]
 422 )
 423 AC_MSG_CHECKING([whether utmpx.h has syslen field])
 424 AC_EGREP_HEADER(syslen, utmpx.h,
 425         [AC_DEFINE(HAVE_SYSLEN_IN_UTMPX) AC_MSG_RESULT(yes); ],
 426         [AC_MSG_RESULT(no)]
 427 )
 428 AC_MSG_CHECKING([whether utmp.h has ut_pid field])
 429 AC_EGREP_HEADER(ut_pid, utmp.h,
 430         [AC_DEFINE(HAVE_PID_IN_UTMP) AC_MSG_RESULT(yes); ],
 431         [AC_MSG_RESULT(no)]
 432 )
 433 AC_MSG_CHECKING([whether utmp.h has ut_type field])
 434 AC_EGREP_HEADER(ut_type, utmp.h,
 435         [AC_DEFINE(HAVE_TYPE_IN_UTMP) AC_MSG_RESULT(yes); ],
 436         [AC_MSG_RESULT(no)]
 437 )
 438 AC_MSG_CHECKING([whether utmp.h has ut_tv field])
 439 AC_EGREP_HEADER(ut_tv, utmp.h,
 440         [AC_DEFINE(HAVE_TV_IN_UTMP) AC_MSG_RESULT(yes); ],
 441         [AC_MSG_RESULT(no)]
 442 )
 443 AC_MSG_CHECKING([whether utmp.h has ut_id field])
 444 AC_EGREP_HEADER(ut_id, utmp.h,
 445         [AC_DEFINE(HAVE_ID_IN_UTMP) AC_MSG_RESULT(yes); ],
 446         [AC_MSG_RESULT(no)]
 447 )
 448 AC_MSG_CHECKING([whether utmp.h has ut_addr field])
 449 AC_EGREP_HEADER(ut_addr, utmp.h,
 450         [AC_DEFINE(HAVE_ADDR_IN_UTMP) AC_MSG_RESULT(yes); ],
 451         [AC_MSG_RESULT(no)]
 452 )
 453 AC_MSG_CHECKING([whether utmpx.h has ut_addr field])
 454 AC_EGREP_HEADER(ut_addr, utmpx.h,
 455         [AC_DEFINE(HAVE_ADDR_IN_UTMPX) AC_MSG_RESULT(yes); ],
 456         [AC_MSG_RESULT(no)]
 457 )
 458 AC_MSG_CHECKING([whether utmp.h has ut_addr_v6 field])
 459 AC_EGREP_HEADER(ut_addr_v6, utmp.h,
 460         [AC_DEFINE(HAVE_ADDR_V6_IN_UTMP) AC_MSG_RESULT(yes); ],
 461         [AC_MSG_RESULT(no)]
 462 )
 463 AC_MSG_CHECKING([whether utmpx.h has ut_addr_v6 field])
 464 AC_EGREP_HEADER(ut_addr_v6, utmpx.h,
 465         [AC_DEFINE(HAVE_ADDR_V6_IN_UTMPX) AC_MSG_RESULT(yes); ],
 466         [AC_MSG_RESULT(no)]
 467 )
 468
 469 AC_MSG_CHECKING([whether struct sockaddr_storage has ss_family field])
 470 AC_TRY_COMPILE(
 471         [
 472 #include <sys/types.h>
 473 #include <sys/socket.h>
 474         ],
 475         [struct sockaddr_storage s; s.ss_family = 1;],
 476         [
 477                 AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
 478                 AC_MSG_RESULT(yes)
 479         ],
 480         [AC_MSG_RESULT(no)]
 481 )
 482 AC_MSG_CHECKING([whether struct sockaddr_storage has __ss_family field])
 483 AC_TRY_COMPILE(
 484         [
 485 #include <sys/types.h>
 486 #include <sys/socket.h>
 487         ],
 488         [struct sockaddr_storage s; s.__ss_family = 1;],
 489         [
 490                 AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
 491                 AC_MSG_RESULT(yes)
 492         ],
 493         [AC_MSG_RESULT(no)]
 494 )
 495
 496 AC_MSG_CHECKING([whether libc defines __progname])
 497 AC_TRY_LINK([],
 498         [extern char *__progname; printf("%s", __progname);],
 499         [
 500                 AC_DEFINE(HAVE___PROGNAME)
 501                 AC_MSG_RESULT(yes)
 502         ],
 503         [
 504                 AC_MSG_RESULT(no)
 505         ]
 506 )
 507
 508 # Looking for programs, paths and files
 509 AC_ARG_WITH(rsh,
 510         [  --with-rsh=PATH         Specify path to remote shell program ],
 511         [
 512                 if test "x$withval" != "$no" ; then
 513                         AC_DEFINE_UNQUOTED(RSH_PATH, "$withval")
 514                 fi
 515         ],
 516         [
 517                 AC_PATH_PROG(rsh_path, rsh)
 518         ]
 519 )
 520
 521 AC_ARG_WITH(xauth,
 522         [  --with-xauth=PATH       Specify path to xauth program ],
 523         [
 524                 if test "x$withval" != "$xno" ; then
 525                         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$withval")
 526                 fi
 527         ],
 528         [
 529                 AC_PATH_PROG(xauth_path, xauth)
 530                 if test ! -z "$xauth_path" -a -x "/usr/openwin/bin/xauth" ; then
 531                         xauth_path="/usr/openwin/bin/xauth"
 532                 fi
 533         ]
 534 )
 535
 536 if test ! -z "$xauth_path" ; then
 537         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
 538 fi
 539 if test ! -z "$rsh_path" ; then
 540         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
 541 fi
 542
 543 # Check for mail directory (last resort if we cannot get it from headers)
 544 if test ! -z "$MAIL" ; then
 545         maildir=`dirname $MAIL`
 546         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
 547 fi
 548
 549 # Look for lastlog location
 550 AC_ARG_WITH(lastlog,
 551         [  --with-lastlog=FILE     Location of lastlog file],
 552         [
 553                 if test "x$withval" = "xno" ; then
 554                         AC_DEFINE(DISABLE_LASTLOG)
 555                 else
 556                         AC_DEFINE_UNQUOTED(LASTLOG_LOCATION, "$withval")
 557                 fi
 558         ],
 559         [
 560                 AC_MSG_CHECKING([location of lastlog file])
 561                 for lastlog in /var/log/lastlog /var/adm/lastlog /usr/adm/lastlog  /etc/security/lastlog ; do
 562                         if test -f $lastlog ; then
 563                                 gotlastlog="file"
 564                                 break
 565                         fi
 566                         if test -d $lastlog ; then
 567                                 gotlastlog="dir"
 568                                 break
 569                         fi
 570                 done
 571                 if test -z "$gotlastlog" ; then
 572                         AC_MSG_RESULT(not found)
 573                         nolastlog=1
 574                 else
 575                         if test "x$gotlastlog" = "xdir" ; then
 576                                 AC_MSG_RESULT(${lastlog}/)
 577                                 AC_DEFINE(LASTLOG_IS_DIR)
 578                         else
 579                                 AC_MSG_RESULT($lastlog)
 580                                 AC_DEFINE_UNQUOTED(LASTLOG_LOCATION, "$lastlog")
 581                         fi
 582                 fi
 583         ]
 584 )
 585
 586 if test ! -z "$nolastlog" ; then
 587         AC_MSG_WARN([*** Disabling lastlog support *** ])
 588         AC_DEFINE(DISABLE_LASTLOG)
 589 fi
 590
 591 if test -z "$no_dev_ptmx" ; then
 592         AC_CHECK_FILE("/dev/ptmx",
 593                 [
 594                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
 595                         have_dev_ptmx=1
 596                 ]
 597         )
 598 fi
 599 AC_CHECK_FILE("/dev/ptc",
 600         [
 601                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
 602                 have_dev_ptc=1
 603         ]
 604 )
 605
 606 # Options from here on. Some of these are preset by platform above
 607
 608 # Check for user-specified random device, otherwise check /dev/urandom
 609 AC_ARG_WITH(random,
 610         [  --with-random=FILE      read randomness from FILE (default=/dev/urandom)],
 611         [
 612                 if test "x$withval" != "xno" ; then
 613                         RANDOM_POOL="$withval";
 614                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 615                 fi
 616         ],
 617         [
 618                 # Check for random device
 619                 AC_CHECK_FILE("/dev/urandom",
 620                         [
 621                                 RANDOM_POOL="/dev/urandom";
 622                                 AC_SUBST(RANDOM_POOL)
 623                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 624                         ]
 625                 )
 626         ]
 627 )
 628
 629 # Check for EGD pool file
 630 AC_ARG_WITH(egd-pool,
 631         [  --with-egd-pool=FILE    read randomness from EGD pool FILE (default none)],
 632         [
 633                 if test "x$withval" != "xno" ; then
 634                         EGD_SOCKET="$withval";
 635                         AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
 636                 fi
 637         ]
 638 )
 639
 640 # detect pathnames for entropy gathering commands, if we need them
 641 INSTALL_SSH_PRNG_CMDS=""
 642 rm -f prng_commands
 643 if test -z "$RANDOM_POOL" -a -z "$EGD_SOCKET" ; then
 644         # Use these commands to collect entropy
 645         AC_PATH_ENTROPY_PROG(PROG_LS, ls)
 646         AC_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
 647         AC_PATH_ENTROPY_PROG(PROG_ARP, arp)
 648         AC_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
 649         AC_PATH_ENTROPY_PROG(PROG_PS, ps)
 650         AC_PATH_ENTROPY_PROG(PROG_W, w)
 651         AC_PATH_ENTROPY_PROG(PROG_WHO, who)
 652         AC_PATH_ENTROPY_PROG(PROG_LAST, last)
 653         AC_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
 654         AC_PATH_ENTROPY_PROG(PROG_DF, df)
 655         AC_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
 656         AC_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
 657         AC_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
 658         AC_PATH_ENTROPY_PROG(PROG_TAIL, tail)
 659         AC_PATH_ENTROPY_PROG(PROG_LS, ls)
 660
 661         INSTALL_SSH_PRNG_CMDS="yes"
 662 fi
 663 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
 664
 665
 666 AC_ARG_WITH(catman,
 667         [  --with-catman=man|cat   Install preformatted manpages[no]],
 668         [
 669                 MANTYPE='$(CATMAN)'
 670                 if test x"$withval" != x"yes" ; then
 671                    mansubdir=$withval
 672                 else
 673                    mansubdir=cat
 674                 fi
 675         ], [
 676                 if test -z "$MANTYPE" ; then
 677                         MANTYPE='$(TROFFMAN)'
 678                         mansubdir=man
 679                 fi
 680         ]
 681 )
 682 AC_SUBST(MANTYPE)
 683 AC_SUBST(mansubdir)
 684
 685 # Check whether user wants Kerberos support
 686 AC_ARG_WITH(kerberos4,
 687         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
 688         [
 689                 if test "x$withval" != "xno" ; then
 690
 691                         if test "x$withval" != "$xyes" ; then
 692                                 CFLAGS="$CFLAGS -I${withval}/include"
 693                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 694                                 if test ! -z "$need_dash_r" ; then
 695                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
 696                                 fi
 697                                 if test ! -z "$blibpath" ; then
 698                                         blibpath="$blibpath:${withval}/lib"
 699                                 fi
 700                         else
 701                                 if test -d /usr/include/kerberosIV ; then
 702                                         CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
 703                                 fi
 704                         fi
 705
 706                         AC_CHECK_HEADERS(krb.h)
 707                         AC_CHECK_LIB(krb, main)
 708                         if test "$ac_cv_header_krb_h" != yes; then
 709                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
 710                         fi
 711                         if test "$ac_cv_lib_krb_main" != yes; then
 712                                 AC_MSG_WARN([Cannot find libkrb, build may fail])
 713                         fi
 714
 715                         KLIBS="-lkrb -ldes"
 716                         AC_CHECK_LIB(resolv, dn_expand, , )
 717                         KRB4=yes
 718                         AC_DEFINE(KRB4)
 719                 fi
 720         ]
 721 )
 722
 723 # Check whether user wants AFS support
 724 AC_ARG_WITH(afs,
 725         [  --with-afs=PATH         Enable AFS support],
 726         [
 727                 if test "x$withval" != "xno" ; then
 728
 729                         if test "x$withval" != "$xyes" ; then
 730                                 CFLAGS="$CFLAGS -I${withval}/include"
 731                                 LFLAGS="$LFLAGS -L${withval}/lib"
 732                         fi
 733
 734                         if test -z "$KRB4" ; then
 735                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
 736                         fi
 737
 738                         LIBS="$LIBS -lkafs"
 739                         if test ! -z "$AFS_LIBS" ; then
 740                                 LIBS="$LIBS $AFS_LIBS"
 741                         fi
 742                         AC_DEFINE(AFS)
 743                 fi
 744         ]
 745 )
 746 LIBS="$LIBS $KLIBS"
 747
 748 # Check whether user wants S/Key support
 749 AC_ARG_WITH(skey,
 750         [  --with-skey             Enable S/Key support],
 751         [
 752                 if test "x$withval" != "xno" ; then
 753                         AC_DEFINE(SKEY)
 754                         LIBS="$LIBS -lskey"
 755                 fi
 756         ]
 757 )
 758
 759 # Check whether user wants TCP wrappers support
 760 AC_ARG_WITH(tcp-wrappers,
 761         [  --with-tcp-wrappers     Enable tcpwrappers support],
 762         [
 763                 if test "x$withval" != "xno" ; then
 764                         saved_LIBS="$LIBS"
 765                         LIBS="$LIBS -lwrap"
 766                         AC_MSG_CHECKING(for libwrap)
 767                         AC_TRY_LINK(
 768                                 [
 769 #include <tcpd.h>
 770                                         int deny_severity = 0, allow_severity = 0;
 771                                 ],
 772                                 [hosts_access(0);],
 773                                 [
 774                                         AC_MSG_RESULT(yes)
 775                                         AC_DEFINE(LIBWRAP)
 776                                 ],
 777                                 [
 778                                         AC_MSG_RESULT(no)
 779                                         AC_MSG_WARN([*** libwrap missing - tcpwrapper support disabled ***])
 780                                         LIBS="$saved_LIBS"
 781                                 ]
 782                         )
 783                 fi
 784         ]
 785 )
 786
 787 # Check whether to enable MD5 passwords
 788 AC_ARG_WITH(md5-passwords,
 789         [  --with-md5-passwords    Enable use of MD5 passwords],
 790         [
 791                 if test "x$withval" != "xno" ; then
 792                         AC_DEFINE(HAVE_MD5_PASSWORDS)
 793                 fi
 794         ]
 795 )
 796
 797 # Check whether to enable utmpx support
 798 AC_ARG_WITH(utmpx,
 799         [  --with-utmpx            Enable utmpx support],
 800         [
 801                 if test "x$withval" != "xno" ; then
 802                         AC_DEFINE(USE_UTMPX)
 803                 fi
 804         ]
 805 )
 806
 807 # Whether to disable shadow password support
 808 AC_ARG_WITH(shadow,
 809         [  --without-shadow        Disable shadow password support],
 810         [
 811                 if test "x$withval" = "xno" ; then
 812                         AC_DEFINE(DISABLE_SHADOW)
 813                 fi
 814         ]
 815 )
 816
 817 # Use ip address instead of hostname in $DISPLAY
 818 AC_ARG_WITH(ipaddr-display,
 819         [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
 820         [
 821                 if test "x$withval" = "xno" ; then
 822                         AC_DEFINE(IPADDR_IN_DISPLAY)
 823                 fi
 824         ]
 825 )
 826
 827 # Whether to mess with the default path
 828 AC_ARG_WITH(default-path,
 829         [  --with-default-path=PATH Specify default \$PATH environment for server],
 830         [
 831                 if test "x$withval" != "xno" ; then
 832                         AC_DEFINE_UNQUOTED(USER_PATH, "$withval")
 833                 fi
 834         ]
 835 )
 836
 837 # Whether to force IPv4 by default (needed on broken glibc Linux)
 838 AC_ARG_WITH(ipv4-default,
 839         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
 840         [
 841                 if test "x$withval" != "xno" ; then
 842                         AC_DEFINE(IPV4_DEFAULT)
 843                 fi
 844         ]
 845 )
 846
 847 AC_MSG_CHECKING([to convert IPv4 in IPv6-mapped addresses])
 848 AC_ARG_WITH(4in6,
 849         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
 850         [
 851                 if test "x$withval" != "xno" ; then
 852                         AC_MSG_RESULT(yes)
 853                         AC_DEFINE(IPV4_IN_IPV6)
 854                 else
 855                         AC_MSG_RESULT(no)
 856                 fi
 857         ],[
 858                 if test "x$inet6_default_4in6" = "xyes"; then
 859                         AC_MSG_RESULT([yes (default)])
 860                         AC_DEFINE(IPV4_IN_IPV6)
 861                 else
 862                         AC_MSG_RESULT([no (default)])
 863                 fi
 864         ]
 865 )
 866
 867 # Where to place sshd.pid
 868 piddir=/var/run
 869 AC_ARG_WITH(pid-dir,
 870         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
 871         [
 872                 if test "x$withval" != "xno" ; then
 873                         piddir=$withval
 874                 fi
 875         ]
 876 )
 877
 878 AC_DEFINE_UNQUOTED(PIDDIR, "$piddir")
 879 AC_SUBST(piddir)
 880
 881
 882 # Change default command timeout for builtin PRNG
 883 entropy_timeout=100
 884 AC_ARG_WITH(entropy-timeout,
 885         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
 886         [
 887                 if test "x$withval" != "xno" ; then
 888                         entropy_timeout=$withval
 889                 fi
 890         ]
 891 )
 892 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
 893
 894
 895 if test ! -z "$blibpath" ; then
 896         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
 897         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
 898 fi
 899
 900 AC_OUTPUT(Makefile ssh_prng_cmds)
 901
 902