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 AC_PATH_PROG(ENT, ent)
  15 AC_SUBST(ENT)
  16
  17 if test -z "$LD" ; then
  18         LD=$CC
  19 fi
  20 AC_SUBST(LD)
  21
  22 # C Compiler features
  23 AC_C_INLINE
  24 if test "$GCC" = "yes"; then
  25         CFLAGS="$CFLAGS -Wall"
  26 fi
  27
  28 # Check for some target-specific stuff
  29 case "$host" in
  30 *-*-aix*)
  31         AFS_LIBS="-lld"
  32         CFLAGS="$CFLAGS -I/usr/local/include"
  33         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  34         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  35                 blibpath="/usr/lib:/lib:/usr/local/lib"
  36         fi
  37         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  38         AC_DEFINE(BROKEN_GETADDRINFO)
  39         MANTYPE='$(CATMAN)'
  40         mansubdir=cat
  41         dnl AIX handles lastlog as part of its login message
  42         AC_DEFINE(DISABLE_LASTLOG)
  43         MANTYPE='$(CATMAN)'
  44         mansubdir=cat
  45         ;;
  46 *-*-hpux10*)
  47         if test -z "$GCC"; then
  48                 CFLAGS="$CFLAGS -Ae"
  49         fi
  50         CFLAGS="$CFLAGS -D_HPUX_SOURCE"
  51         AC_DEFINE(IPADDR_IN_DISPLAY)
  52         AC_DEFINE(USE_PIPES)
  53         AC_MSG_CHECKING(for HPUX trusted system password database)
  54         if test -f /tcb/files/auth/system/default; then
  55                 AC_MSG_RESULT(yes)
  56                 AC_DEFINE(HAVE_HPUX_TRUSTED_SYSTEM_PW)
  57                 LIBS="$LIBS -lsec"
  58                 AC_MSG_WARN([This configuration is untested])
  59         else
  60                 AC_MSG_RESULT(no)
  61                 AC_DEFINE(DISABLE_SHADOW)
  62         fi
  63         MANTYPE='$(CATMAN)'
  64         mansubdir=cat
  65         ;;
  66 *-*-hpux11*)
  67         if test -z "$GCC"; then
  68                 CFLAGS="$CFLAGS -Ae"
  69         fi
  70         CFLAGS="$CFLAGS -D_HPUX_SOURCE"
  71         AC_DEFINE(IPADDR_IN_DISPLAY)
  72         AC_MSG_CHECKING(for HPUX trusted system password database)
  73         if test -f /tcb/files/auth/system/default; then
  74                 AC_MSG_RESULT(yes)
  75                 AC_DEFINE(HAVE_HPUX_TRUSTED_SYSTEM_PW)
  76                 LIBS="$LIBS -lsec"
  77                 AC_MSG_WARN([This configuration is untested])
  78         else
  79                 AC_MSG_RESULT(no)
  80                 AC_DEFINE(DISABLE_SHADOW)
  81         fi
  82         MANTYPE='$(CATMAN)'
  83         mansubdir=cat
  84         ;;
  85 *-*-irix5*)
  86         CFLAGS="$CFLAGS -I/usr/local/include"
  87         LDFLAGS="$LDFLAGS"
  88         MANTYPE='$(CATMAN)'
  89         no_libsocket=1
  90         no_libnsl=1
  91         AC_DEFINE(BROKEN_INET_NTOA)
  92         ;;
  93 *-*-irix6*)
  94         CFLAGS="$CFLAGS -I/usr/local/include"
  95         LDFLAGS="$LDFLAGS"
  96         MANTYPE='$(CATMAN)'
  97         AC_DEFINE(WITH_IRIX_ARRAY)
  98         AC_DEFINE(WITH_IRIX_PROJECT)
  99         AC_DEFINE(WITH_IRIX_AUDIT)
 100         no_libsocket=1
 101         no_libnsl=1
 102         AC_DEFINE(BROKEN_INET_NTOA)
 103         ;;
 104 *-*-linux*)
 105         no_dev_ptmx=1
 106         AC_DEFINE(DONT_TRY_OTHER_AF)
 107         AC_DEFINE(PAM_TTY_KLUDGE)
 108         inet6_default_4in6=yes
 109         ;;
 110 *-*-netbsd*)
 111         need_dash_r=1
 112         ;;
 113 *-next-*)
 114         # hardwire lastlog location (can't detect it on some versions)
 115         conf_lastlog_location="/usr/adm/lastlog"
 116         conf_utmp_location=/etc/utmp
 117         AC_DEFINE(HAVE_NEXT)
 118         CFLAGS="$CFLAGS -I/usr/local/include"
 119         MAIL=/usr/spool/mail
 120         AC_MSG_WARN([*** Tested: PA-RISC/m68k  Untested: Sparc/Intel])
 121         AC_MSG_WARN([*** Expect 'scp' to fail!])
 122         AC_MSG_WARN([*** Please report any problems, thanks])
 123         ;;
 124 *-*-solaris*)
 125         CFLAGS="$CFLAGS -I/usr/local/include"
 126         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib -L/usr/ucblib -R/usr/ucblib"
 127         need_dash_r=1
 128         # hardwire lastlog location (can't detect it on some versions)
 129         conf_lastlog_location="/var/adm/lastlog"
 130         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 131         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 132         if test "$sol2ver" -ge 8; then
 133                 AC_MSG_RESULT(yes)
 134                 AC_DEFINE(DISABLE_UTMP)
 135                 AC_DEFINE(DISABLE_WTMP)
 136         else
 137                 AC_MSG_RESULT(no)
 138         fi
 139         ;;
 140 *-*-sunos4*)
 141         CFLAGS="$CFLAGS -DSUNOS4"
 142         AC_CHECK_FUNCS(getpwanam)
 143         conf_utmp_location=/etc/utmp
 144         conf_wtmp_location=/var/adm/wtmp
 145         conf_lastlog_location=/var/adm/lastlog
 146         AC_DEFINE(USE_PIPES)
 147         MANTYPE='$(CATMAN)'
 148         mansubdir=cat
 149         ;;
 150 *-sni-sysv*)
 151         CFLAGS="$CFLAGS -I/usr/local/include"
 152         LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/ucblib"
 153         MANTYPE='$(CATMAN)'
 154         AC_DEFINE(IP_TOS_IS_BROKEN)
 155         mansubdir=cat
 156         LIBS="$LIBS -lgen -lnsl -lucb"
 157         ;;
 158 *-*-sysv*)
 159         CFLAGS="$CFLAGS -I/usr/local/include"
 160         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 161         MANTYPE='$(CATMAN)'
 162         mansubdir=cat
 163         LIBS="$LIBS -lgen -lsocket"
 164         ;;
 165 *-*-sco3*)
 166         CFLAGS="$CFLAGS -I/usr/local/include"
 167         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 168         MANTYPE='$(CATMAN)'
 169         mansubdir=cat
 170         LIBS="$LIBS -lgen -lsocket"
 171         no_dev_ptmx=1
 172         ;;
 173 *-dec-osf*)
 174 # This is untested
 175         if test ! -z "USE_SIA" ; then
 176                 AC_MSG_CHECKING(for Digital Unix Security Integration Architecture)
 177                 if test -f /etc/sia/matrix.conf; then
 178                         AC_MSG_RESULT(yes)
 179                         AC_DEFINE(HAVE_OSF_SIA)
 180                         AC_DEFINE(DISABLE_LOGIN)
 181                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 182                 else
 183                         AC_MSG_RESULT(no)
 184                 fi
 185         fi
 186         ;;
 187 esac
 188
 189 # Allow user to specify flags
 190 AC_ARG_WITH(cflags,
 191         [  --with-cflags           Specify additional flags to pass to compiler],
 192         [
 193                 if test "x$withval" != "xno" ; then
 194                         CFLAGS="$CFLAGS $withval"
 195                 fi
 196         ]
 197 )
 198 AC_ARG_WITH(ldflags,
 199         [  --with-ldlags           Specify additional flags to pass to linker],
 200         [
 201                 if test "x$withval" != "xno" ; then
 202                         LDFLAGS="$LDFLAGS $withval"
 203                 fi
 204         ]
 205 )
 206 AC_ARG_WITH(libs,
 207         [  --with-libs             Specify additional libraries to link with],
 208         [
 209                 if test "x$withval" != "xno" ; then
 210                         LIBS="$LIBS $withval"
 211                 fi
 212         ]
 213 )
 214
 215
 216 # Checks for libraries.
 217 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first ***]))
 218 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
 219
 220 if test -z "$no_libsocket" ; then
 221         AC_CHECK_LIB(nsl, yp_match, , )
 222 fi
 223 if test -z "$no_libnsl" ; then
 224         AC_CHECK_LIB(socket, main, , )
 225 fi
 226
 227 # Checks for header files.
 228 AC_CHECK_HEADERS(bstring.h endian.h floatingpoint.h lastlog.h limits.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/stat.h sys/stropts.h sys/sysmacros.h sys/time.h sys/ttcompat.h stddef.h time.h ttyent.h usersec.h util.h utmp.h utmpx.h)
 229
 230 # Checks for library functions.
 231 AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_af clock freeaddrinfo gai_strerror getaddrinfo getnameinfo getrusage getttyent inet_aton inet_ntoa innetgr md5_crypt memmove mkdtemp on_exit openpty rresvport_af setenv seteuid setlogin setproctitle setreuid sigaction sigvec snprintf strerror strlcat strlcpy strsep vsnprintf vhangup _getpty __b64_ntop)
 232 dnl    checks for time functions
 233 AC_CHECK_FUNCS(gettimeofday time)
 234 dnl    checks for libutil functions
 235 AC_CHECK_FUNCS(login logout updwtmp logwtmp)
 236 dnl    checks for utmp functions
 237 AC_CHECK_FUNCS(entutent getutent getutid getutline pututline setutent)
 238 AC_CHECK_FUNCS(utmpname)
 239 dnl    checks for utmpx functions
 240 AC_CHECK_FUNCS(entutxent getutxent getutxid getutxline pututxline )
 241 AC_CHECK_FUNCS(setutxent utmpxname)
 242
 243 AC_CHECK_FUNC(getuserattr,
 244         [AC_DEFINE(HAVE_GETUSERATTR)],
 245         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 246 )
 247
 248 AC_CHECK_FUNC(login,
 249         [AC_DEFINE(HAVE_LOGIN)],
 250         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 251 )
 252
 253 AC_CHECK_FUNC(daemon,
 254         [AC_DEFINE(HAVE_DAEMON)],
 255         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 256 )
 257
 258 AC_CHECK_FUNC(getpagesize,
 259         [AC_DEFINE(HAVE_GETPAGESIZE)],
 260         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 261 )
 262
 263 # Check for broken snprintf
 264 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 265         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 266         AC_TRY_RUN(
 267                 [
 268 #include <stdio.h>
 269 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 270                 ],
 271                 [AC_MSG_RESULT(yes)],
 272                 [
 273                         AC_MSG_RESULT(no)
 274                         AC_DEFINE(BROKEN_SNPRINTF)
 275                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 276                 ]
 277         )
 278 fi
 279
 280 PAM_MSG="no"
 281 AC_ARG_WITH(pam,
 282         [  --without-pam           Disable PAM support ],
 283         [
 284                 if test "x$withval" = "xno" ; then
 285                         no_pam=1
 286                         AC_DEFINE(DISABLE_PAM)
 287                         PAM_MSG="disabled"
 288                 fi
 289         ]
 290 )
 291 if (test -z "$no_pam" && test "x$ac_cv_header_security_pam_appl_h" = "xyes") ; then
 292         AC_CHECK_LIB(dl, dlopen, , )
 293         LIBS="$LIBS -lpam"
 294
 295         AC_CHECK_FUNCS(pam_getenvlist)
 296
 297         disable_shadow=yes
 298
 299         PAM_MSG="yes"
 300
 301         # Check PAM strerror arguments (old PAM)
 302         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 303         AC_TRY_COMPILE(
 304                 [
 305 #include <stdlib.h>
 306 #include <security/pam_appl.h>
 307                 ],
 308                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 309                 [AC_MSG_RESULT(no)],
 310                 [
 311                         AC_DEFINE(HAVE_OLD_PAM)
 312                         AC_MSG_RESULT(yes)
 313                         PAM_MSG="yes (old library)"
 314                 ]
 315         )
 316 fi
 317
 318 # The big search for OpenSSL
 319 AC_ARG_WITH(ssl-dir,
 320         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 321         [
 322                 if test "x$withval" != "$xno" ; then
 323                         tryssldir=$withval
 324                 fi
 325         ]
 326 )
 327
 328 saved_LIBS="$LIBS"
 329 saved_LDFLAGS="$LDFLAGS"
 330 saved_CFLAGS="$CFLAGS"
 331 if test "x$prefix" != "xNONE" ; then
 332         tryssldir="$tryssldir $prefix"
 333 fi
 334 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 335
 336         for ssldir in "" $tryssldir /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 337                 if test ! -z "$ssldir" ; then
 338                         LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 339                         CFLAGS="$saved_CFLAGS -I$ssldir/include"
 340                         if test ! -z "$need_dash_r" ; then
 341                                 LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 342                         fi
 343                 else
 344                         LDFLAGS="$saved_LDFLAGS"
 345                 fi
 346
 347                 LIBS="$saved_LIBS -lcrypto"
 348
 349                 # Basic test to check for compatible version and correct linking
 350                 # *does not* test for RSA - that comes later.
 351                 AC_TRY_RUN(
 352                         [
 353 #include <string.h>
 354 #include <openssl/rand.h>
 355 int main(void)
 356 {
 357         char a[2048];
 358         memset(a, 0, sizeof(a));
 359         RAND_add(a, sizeof(a), sizeof(a));
 360         return(RAND_status() <= 0);
 361 }
 362                         ],
 363                         [
 364                                 found_crypto=1
 365                                 break;
 366                         ], []
 367                 )
 368
 369                 if test ! -z "$found_crypto" ; then
 370                         break;
 371                 fi
 372         done
 373
 374         if test -z "$found_crypto" ; then
 375                 AC_MSG_ERROR([Could not find working SSLeay / OpenSSL libraries, please install])
 376         fi
 377         if test -z "$ssldir" ; then
 378                 ssldir="(system)"
 379         fi
 380
 381         ac_cv_openssldir=$ssldir
 382 ])
 383
 384 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 385         AC_DEFINE(HAVE_OPENSSL)
 386         dnl Need to recover ssldir - test above runs in subshell
 387         ssldir=$ac_cv_openssldir
 388         CFLAGS="$saved_CFLAGS -I$ssldir/include"
 389         LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 390         if test ! -z "$need_dash_r" ; then
 391                 LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 392         fi
 393         if test ! -z "$blibpath" ; then
 394                 blibpath="$blibpath:$ssldir:$ssldir/lib"
 395         fi
 396 fi
 397 LIBS="$saved_LIBS -lcrypto"
 398
 399 # Now test RSA support
 400 saved_LIBS="$LIBS"
 401 AC_MSG_CHECKING([for RSA support])
 402 for WANTS_RSAREF in "" 1 ; do
 403         if test -z "$WANTS_RSAREF" ; then
 404                 LIBS="$saved_LIBS"
 405         else
 406                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 407         fi
 408         AC_TRY_RUN([
 409 #include <string.h>
 410 #include <openssl/rand.h>
 411 #include <openssl/rsa.h>
 412 #include <openssl/bn.h>
 413 #include <openssl/sha.h>
 414 int main(void)
 415 {
 416         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 417         unsigned char c[256], p[256];
 418         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 419         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 420         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 421         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 422 }
 423         ],
 424         [
 425                 rsa_works=1
 426                 break;
 427         ], [])
 428 done
 429
 430 if test ! -z "$no_rsa" ; then
 431         AC_MSG_RESULT(disabled)
 432         RSA_MSG="disabled"
 433 else
 434         if test -z "$rsa_works" ; then
 435                 AC_MSG_WARN([*** No RSA support found *** ])
 436                 RSA_MSG="no"
 437         else
 438                 if test -z "$WANTS_RSAREF" ; then
 439                         AC_MSG_RESULT(yes)
 440                         RSA_MSG="yes"
 441                 else
 442                         RSA_MSG="yes (using RSAref)"
 443                         AC_MSG_RESULT(using RSAref)
 444                         LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
 445                 fi
 446         fi
 447 fi
 448
 449 # Checks for data types
 450 AC_CHECK_SIZEOF(char, 1)
 451 AC_CHECK_SIZEOF(short int, 2)
 452 AC_CHECK_SIZEOF(int, 4)
 453 AC_CHECK_SIZEOF(long int, 4)
 454 AC_CHECK_SIZEOF(long long int, 8)
 455
 456 # More checks for data types
 457 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
 458         AC_TRY_COMPILE(
 459                 [ #include <sys/types.h> ],
 460                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 461                 [ ac_cv_have_intxx_t="yes" ],
 462                 [ ac_cv_have_intxx_t="no" ]
 463         )
 464 ])
 465 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 466         AC_DEFINE(HAVE_INTXX_T)
 467         have_intxx_t=1
 468 fi
 469
 470 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
 471         AC_TRY_COMPILE(
 472                 [ #include <sys/types.h> ],
 473                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 474                 [ ac_cv_have_u_intxx_t="yes" ],
 475                 [ ac_cv_have_u_intxx_t="no" ]
 476         )
 477 ])
 478 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 479         AC_DEFINE(HAVE_U_INTXX_T)
 480         have_u_intxx_t=1
 481 fi
 482
 483
 484 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
 485            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
 486 then
 487         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 488         AC_TRY_COMPILE(
 489                 [
 490 #include <sys/bitypes.h>
 491                 ],
 492                 [
 493                         int8_t a; int16_t b; int32_t c;
 494                         u_int8_t e; u_int16_t f; u_int32_t g;
 495                         a = b = c = e = f = g = 1;
 496                 ],
 497                 [
 498                         AC_DEFINE(HAVE_U_INTXX_T)
 499                         AC_DEFINE(HAVE_INTXX_T)
 500                         AC_MSG_RESULT(yes)
 501                 ],
 502                 [AC_MSG_RESULT(no)]
 503         )
 504 fi
 505
 506 if test -z "$have_u_intxx_t" ; then
 507         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 508                 AC_TRY_COMPILE(
 509                         [
 510 #include <sys/types.h>
 511                         ],
 512                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
 513                         [ ac_cv_have_uintxx_t="yes" ],
 514                         [ ac_cv_have_uintxx_t="no" ]
 515                 )
 516         ])
 517         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
 518                 AC_DEFINE(HAVE_UINTXX_T)
 519         fi
 520 fi
 521
 522 AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
 523         AC_TRY_COMPILE(
 524                 [
 525 #include <sys/types.h>
 526 #include <sys/socket.h>
 527                 ],
 528                 [socklen_t foo; foo = 1235;],
 529                 [ ac_cv_have_socklen_t="yes" ],
 530                 [ ac_cv_have_socklen_t="no" ]
 531         )
 532 ])
 533 if test "x$ac_cv_have_socklen_t" = "xyes" ; then
 534         AC_DEFINE(HAVE_SOCKLEN_T)
 535 fi
 536
 537 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
 538         AC_TRY_COMPILE(
 539                 [
 540 #include <sys/types.h>
 541                 ],
 542                 [ size_t foo; foo = 1235; ],
 543                 [ ac_cv_have_size_t="yes" ],
 544                 [ ac_cv_have_size_t="no" ]
 545         )
 546 ])
 547 if test "x$ac_cv_have_size_t" = "xyes" ; then
 548         AC_DEFINE(HAVE_SIZE_T)
 549 fi
 550
 551 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
 552         AC_TRY_COMPILE(
 553                 [
 554 #include <sys/types.h>
 555                 ],
 556                 [ ssize_t foo; foo = 1235; ],
 557                 [ ac_cv_have_ssize_t="yes" ],
 558                 [ ac_cv_have_ssize_t="no" ]
 559         )
 560 ])
 561 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
 562         AC_DEFINE(HAVE_SSIZE_T)
 563 fi
 564
 565 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
 566         AC_TRY_COMPILE(
 567                 [
 568 #include <sys/types.h>
 569 #include <sys/socket.h>
 570                 ],
 571                 [ sa_family_t foo; foo = 1235; ],
 572                 [ ac_cv_have_sa_family_t="yes" ],
 573                 [ ac_cv_have_sa_family_t="no" ]
 574         )
 575 ])
 576 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
 577         AC_DEFINE(HAVE_SA_FAMILY_T)
 578 fi
 579
 580 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
 581         AC_TRY_COMPILE(
 582                 [
 583 #include <sys/types.h>
 584                 ],
 585                 [ pid_t foo; foo = 1235; ],
 586                 [ ac_cv_have_pid_t="yes" ],
 587                 [ ac_cv_have_pid_t="no" ]
 588         )
 589 ])
 590 if test "x$ac_cv_have_pid_t" = "xyes" ; then
 591         AC_DEFINE(HAVE_PID_T)
 592 fi
 593
 594 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
 595         AC_TRY_COMPILE(
 596                 [
 597 #include <sys/types.h>
 598                 ],
 599                 [ mode_t foo; foo = 1235; ],
 600                 [ ac_cv_have_mode_t="yes" ],
 601                 [ ac_cv_have_mode_t="no" ]
 602         )
 603 ])
 604 if test "x$ac_cv_have_mode_t" = "xyes" ; then
 605         AC_DEFINE(HAVE_MODE_T)
 606 fi
 607
 608
 609 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
 610         AC_TRY_COMPILE(
 611                 [
 612 #include <sys/types.h>
 613 #include <sys/socket.h>
 614                 ],
 615                 [ struct sockaddr_storage s; ],
 616                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
 617                 [ ac_cv_have_struct_sockaddr_storage="no" ]
 618         )
 619 ])
 620 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
 621         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
 622 fi
 623
 624 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
 625         AC_TRY_COMPILE(
 626                 [
 627 #include <sys/types.h>
 628 #include <netinet/in.h>
 629                 ],
 630                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
 631                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
 632                 [ ac_cv_have_struct_sockaddr_in6="no" ]
 633         )
 634 ])
 635 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
 636         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
 637 fi
 638
 639 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
 640         AC_TRY_COMPILE(
 641                 [
 642 #include <sys/types.h>
 643 #include <netinet/in.h>
 644                 ],
 645                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
 646                 [ ac_cv_have_struct_in6_addr="yes" ],
 647                 [ ac_cv_have_struct_in6_addr="no" ]
 648         )
 649 ])
 650 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
 651         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
 652 fi
 653
 654 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
 655         AC_TRY_COMPILE(
 656                 [
 657 #include <sys/types.h>
 658 #include <sys/socket.h>
 659 #include <netdb.h>
 660                 ],
 661                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
 662                 [ ac_cv_have_struct_addrinfo="yes" ],
 663                 [ ac_cv_have_struct_addrinfo="no" ]
 664         )
 665 ])
 666 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
 667         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
 668 fi
 669
 670
 671 # Checks for structure members
 672
 673 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
 674 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
 675 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
 676 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
 677 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
 678 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
 679 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
 680 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
 681 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
 682 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
 683 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
 684 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
 685 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
 686 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
 687 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
 688 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
 689 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
 690
 691 AC_CACHE_CHECK([for sun_len field in struct sockaddr_un],
 692                 ac_cv_have_sun_len_in_struct_sockaddr_un, [
 693         AC_TRY_COMPILE(
 694                 [
 695 #include <sys/types.h>
 696 #include <sys/socket.h>
 697                 ],
 698                 [ struct sockaddr_un s; s.sun_len = 1; ],
 699                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="yes" ],
 700                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="no" ],
 701         )
 702 ])
 703 if test "x$ac_cv_have_sun_len_in_struct_sockaddr_un" = "xyes" ; then
 704         AC_DEFINE(HAVE_SUN_LEN_IN_SOCKADDR_UN)
 705 fi
 706
 707 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
 708                 ac_cv_have_ss_family_in_struct_ss, [
 709         AC_TRY_COMPILE(
 710                 [
 711 #include <sys/types.h>
 712 #include <sys/socket.h>
 713                 ],
 714                 [ struct sockaddr_storage s; s.ss_family = 1; ],
 715                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
 716                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
 717         )
 718 ])
 719 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
 720         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
 721 fi
 722
 723 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
 724                 ac_cv_have___ss_family_in_struct_ss, [
 725         AC_TRY_COMPILE(
 726                 [
 727 #include <sys/types.h>
 728 #include <sys/socket.h>
 729                 ],
 730                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
 731                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
 732                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
 733         )
 734 ])
 735 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
 736         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
 737 fi
 738
 739
 740 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
 741         AC_TRY_LINK([],
 742                 [ extern char *__progname; printf("%s", __progname); ],
 743                 [ ac_cv_libc_defines___progname="yes" ],
 744                 [ ac_cv_libc_defines___progname="no" ]
 745         )
 746 ])
 747 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
 748         AC_DEFINE(HAVE___PROGNAME)
 749 fi
 750
 751
 752 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
 753         AC_TRY_LINK([],
 754                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
 755                 [ ac_cv_libc_defines_sys_errlist="yes" ],
 756                 [ ac_cv_libc_defines_sys_errlist="no" ]
 757         )
 758 ])
 759 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
 760         AC_DEFINE(HAVE_SYS_ERRLIST)
 761 fi
 762
 763
 764 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
 765         AC_TRY_LINK([],
 766                 [ extern int sys_nerr; printf("%i", sys_nerr);],
 767                 [ ac_cv_libc_defines_sys_nerr="yes" ],
 768                 [ ac_cv_libc_defines_sys_nerr="no" ]
 769         )
 770 ])
 771 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
 772         AC_DEFINE(HAVE_SYS_NERR)
 773 fi
 774
 775
 776 # Looking for programs, paths and files
 777 AC_ARG_WITH(rsh,
 778         [  --with-rsh=PATH         Specify path to remote shell program ],
 779         [
 780                 if test "x$withval" != "$no" ; then
 781                         rsh_path=$withval
 782                 fi
 783         ],
 784         [
 785                 AC_PATH_PROG(rsh_path, rsh)
 786         ]
 787 )
 788
 789 AC_ARG_WITH(xauth,
 790         [  --with-xauth=PATH       Specify path to xauth program ],
 791         [
 792                 if test "x$withval" != "$xno" ; then
 793                         xauth_path=$withval
 794                 fi
 795         ],
 796         [
 797                 AC_PATH_PROG(xauth_path, xauth)
 798                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
 799                         xauth_path="/usr/openwin/bin/xauth"
 800                 fi
 801         ]
 802 )
 803
 804 if test ! -z "$xauth_path" ; then
 805         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
 806 fi
 807 if test ! -z "$rsh_path" ; then
 808         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
 809 fi
 810
 811 # Check for mail directory (last resort if we cannot get it from headers)
 812 if test ! -z "$MAIL" ; then
 813         maildir=`dirname $MAIL`
 814         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
 815 fi
 816
 817 if test -z "$no_dev_ptmx" ; then
 818         AC_CHECK_FILE("/dev/ptmx",
 819                 [
 820                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
 821                         have_dev_ptmx=1
 822                 ]
 823         )
 824 fi
 825 AC_CHECK_FILE("/dev/ptc",
 826         [
 827                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
 828                 have_dev_ptc=1
 829         ]
 830 )
 831
 832 # Options from here on. Some of these are preset by platform above
 833
 834 # Check for user-specified random device, otherwise check /dev/urandom
 835 AC_ARG_WITH(random,
 836         [  --with-random=FILE      read randomness from FILE (default=/dev/urandom)],
 837         [
 838                 if test "x$withval" != "xno" ; then
 839                         RANDOM_POOL="$withval";
 840                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 841                 fi
 842         ],
 843         [
 844                 # Check for random device
 845                 AC_CHECK_FILE("/dev/urandom",
 846                         [
 847                                 RANDOM_POOL="/dev/urandom";
 848                                 AC_SUBST(RANDOM_POOL)
 849                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 850                         ]
 851                 )
 852         ]
 853 )
 854
 855 # Check for EGD pool file
 856 AC_ARG_WITH(egd-pool,
 857         [  --with-egd-pool=FILE    read randomness from EGD pool FILE (default none)],
 858         [
 859                 if test "x$withval" != "xno" ; then
 860                         EGD_SOCKET="$withval";
 861                         AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
 862                 fi
 863         ]
 864 )
 865
 866 # detect pathnames for entropy gathering commands, if we need them
 867 INSTALL_SSH_PRNG_CMDS=""
 868 rm -f prng_commands
 869 if (test -z "$RANDOM_POOL" && test -z "$EGD_SOCKET") ; then
 870         # Use these commands to collect entropy
 871         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
 872         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
 873         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
 874         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
 875         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
 876         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
 877         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
 878         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
 879         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
 880         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
 881         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
 882         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
 883         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
 884         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
 885         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
 886
 887         INSTALL_SSH_PRNG_CMDS="yes"
 888 fi
 889 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
 890
 891
 892 AC_ARG_WITH(catman,
 893         [  --with-catman=man|cat   Install preformatted manpages[no]],
 894         [
 895                 MANTYPE='$(CATMAN)'
 896                 if test x"$withval" != x"yes" ; then
 897                    mansubdir=$withval
 898                 else
 899                    mansubdir=cat
 900                 fi
 901         ], [
 902                 if test -z "$MANTYPE" ; then
 903                         MANTYPE='$(TROFFMAN)'
 904                         mansubdir=man
 905                 fi
 906         ]
 907 )
 908 AC_SUBST(MANTYPE)
 909 AC_SUBST(mansubdir)
 910
 911 # Check whether user wants Kerberos support
 912 KRB4_MSG="no"
 913 AC_ARG_WITH(kerberos4,
 914         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
 915         [
 916                 if test "x$withval" != "xno" ; then
 917
 918                         if test "x$withval" != "$xyes" ; then
 919                                 CFLAGS="$CFLAGS -I${withval}/include"
 920                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 921                                 if test ! -z "$need_dash_r" ; then
 922                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
 923                                 fi
 924                                 if test ! -z "$blibpath" ; then
 925                                         blibpath="$blibpath:${withval}/lib"
 926                                 fi
 927                         else
 928                                 if test -d /usr/include/kerberosIV ; then
 929                                         CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
 930                                 fi
 931                         fi
 932
 933                         AC_CHECK_HEADERS(krb.h)
 934                         AC_CHECK_LIB(krb, main)
 935                         if test "$ac_cv_header_krb_h" != yes; then
 936                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
 937                         fi
 938                         if test "$ac_cv_lib_krb_main" != yes; then
 939                                 AC_MSG_WARN([Cannot find libkrb, build may fail])
 940                         fi
 941
 942                         KLIBS="-lkrb -ldes"
 943                         AC_CHECK_LIB(resolv, dn_expand, , )
 944                         KRB4=yes
 945                         KRB4_MSG="yes"
 946                         AC_DEFINE(KRB4)
 947                 fi
 948         ]
 949 )
 950
 951 # Check whether user wants AFS support
 952 AFS_MSG="no"
 953 AC_ARG_WITH(afs,
 954         [  --with-afs=PATH         Enable AFS support],
 955         [
 956                 if test "x$withval" != "xno" ; then
 957
 958                         if test "x$withval" != "$xyes" ; then
 959                                 CFLAGS="$CFLAGS -I${withval}/include"
 960                                 LFLAGS="$LFLAGS -L${withval}/lib"
 961                         fi
 962
 963                         if test -z "$KRB4" ; then
 964                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
 965                         fi
 966
 967                         LIBS="$LIBS -lkafs"
 968                         if test ! -z "$AFS_LIBS" ; then
 969                                 LIBS="$LIBS $AFS_LIBS"
 970                         fi
 971                         AC_DEFINE(AFS)
 972                         AFS_MSG="yes"
 973                 fi
 974         ]
 975 )
 976 LIBS="$LIBS $KLIBS"
 977
 978 # Check whether user wants S/Key support
 979 SKEY_MSG="no"
 980 AC_ARG_WITH(skey,
 981         [  --with-skey             Enable S/Key support],
 982         [
 983                 if test "x$withval" != "xno" ; then
 984                         AC_DEFINE(SKEY)
 985                         LIBS="$LIBS -lskey"
 986                         SKEY_MSG="yes"
 987                 fi
 988         ]
 989 )
 990
 991 # Check whether user wants TCP wrappers support
 992 TCPW_MSG="no"
 993 AC_ARG_WITH(tcp-wrappers,
 994         [  --with-tcp-wrappers     Enable tcpwrappers support],
 995         [
 996                 if test "x$withval" != "xno" ; then
 997                         saved_LIBS="$LIBS"
 998                         LIBS="$LIBS -lwrap"
 999                         AC_MSG_CHECKING(for libwrap)
1000                         AC_TRY_LINK(
1001                                 [
1002 #include <tcpd.h>
1003                                         int deny_severity = 0, allow_severity = 0;
1004                                 ],
1005                                 [hosts_access(0);],
1006                                 [
1007                                         AC_MSG_RESULT(yes)
1008                                         AC_DEFINE(LIBWRAP)
1009                                         TCPW_MSG="yes"
1010                                 ],
1011                                 [
1012                                         AC_MSG_ERROR([*** libwrap missing])
1013                                 ]
1014                         )
1015                 fi
1016         ]
1017 )
1018
1019 # Check whether to enable MD5 passwords
1020 MD5_MSG="no"
1021 AC_ARG_WITH(md5-passwords,
1022         [  --with-md5-passwords    Enable use of MD5 passwords],
1023         [
1024                 if test "x$withval" != "xno" ; then
1025                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1026                         MD5_MSG="yes"
1027                 fi
1028         ]
1029 )
1030
1031 # Whether to disable shadow password support
1032 AC_ARG_WITH(shadow,
1033         [  --without-shadow        Disable shadow password support],
1034         [
1035                 if test "x$withval" = "xno" ; then
1036                         AC_DEFINE(DISABLE_SHADOW)
1037                         disable_shadow=yes
1038                 fi
1039         ]
1040 )
1041
1042 if test -z "$disable_shadow" ; then
1043         AC_MSG_CHECKING([if the systems has expire shadow information])
1044         AC_TRY_COMPILE(
1045         [
1046 #include <sys/types.h>
1047 #include <shadow.h>
1048         struct spwd sp;
1049         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1050         [ sp_expire_available=yes ], []
1051         )
1052
1053         if test "x$sp_expire_available" = "xyes" ; then
1054                 AC_MSG_RESULT(yes)
1055                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1056         else
1057                 AC_MSG_RESULT(no)
1058         fi
1059 fi
1060
1061 # Use ip address instead of hostname in $DISPLAY
1062 DISPLAY_HACK_MSG="no"
1063 AC_ARG_WITH(ipaddr-display,
1064         [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1065         [
1066                 if test "x$withval" != "xno" ; then
1067                         AC_DEFINE(IPADDR_IN_DISPLAY)
1068                         DISPLAY_HACK_MSG="yes"
1069                 fi
1070         ]
1071 )
1072
1073 # Whether to mess with the default path
1074 SERVER_PATH_MSG="(default)"
1075 AC_ARG_WITH(default-path,
1076         [  --with-default-path=PATH Specify default \$PATH environment for server],
1077         [
1078                 if test "x$withval" != "xno" ; then
1079                         AC_DEFINE_UNQUOTED(USER_PATH, "$withval")
1080                         SERVER_PATH_MSG="$withval"
1081                 fi
1082         ]
1083 )
1084
1085 # Whether to force IPv4 by default (needed on broken glibc Linux)
1086 IPV4_HACK_MSG="no"
1087 AC_ARG_WITH(ipv4-default,
1088         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
1089         [
1090                 if test "x$withval" != "xno" ; then
1091                         AC_DEFINE(IPV4_DEFAULT)
1092                         IPV4_HACK_MSG="yes"
1093                 fi
1094         ]
1095 )
1096
1097 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
1098 IPV4_IN6_HACK_MSG="no"
1099 AC_ARG_WITH(4in6,
1100         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
1101         [
1102                 if test "x$withval" != "xno" ; then
1103                         AC_MSG_RESULT(yes)
1104                         AC_DEFINE(IPV4_IN_IPV6)
1105                         IPV4_IN6_HACK_MSG="yes"
1106                 else
1107                         AC_MSG_RESULT(no)
1108                 fi
1109         ],[
1110                 if test "x$inet6_default_4in6" = "xyes"; then
1111                         AC_MSG_RESULT([yes (default)])
1112                         AC_DEFINE(IPV4_IN_IPV6)
1113                         IPV4_IN6_HACK_MSG="yes"
1114                 else
1115                         AC_MSG_RESULT([no (default)])
1116                 fi
1117         ]
1118 )
1119
1120 # Where to place sshd.pid
1121 piddir=/var/run
1122 AC_ARG_WITH(pid-dir,
1123         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
1124         [
1125                 if test "x$withval" != "xno" ; then
1126                         piddir=$withval
1127                 fi
1128         ]
1129 )
1130
1131 AC_DEFINE_UNQUOTED(PIDDIR, "$piddir")
1132 AC_SUBST(piddir)
1133
1134 dnl allow user to disable some login recording features
1135 AC_ARG_ENABLE(lastlog,
1136         [  --disable-lastlog       disable use of lastlog even if detected [no]],
1137         [ AC_DEFINE(DISABLE_LASTLOG) ]
1138 )
1139 AC_ARG_ENABLE(utmp,
1140         [  --disable-utmp          disable use of utmp even if detected [no]],
1141         [ AC_DEFINE(DISABLE_UTMP) ]
1142 )
1143 AC_ARG_ENABLE(utmpx,
1144         [  --disable-utmpx         disable use of utmpx even if detected [no]],
1145         [ AC_DEFINE(DISABLE_UTMPX) ]
1146 )
1147 AC_ARG_ENABLE(wtmp,
1148         [  --disable-wtmp          disable use of wtmp even if detected [no]],
1149         [ AC_DEFINE(DISABLE_WTMP) ]
1150 )
1151 AC_ARG_ENABLE(wtmpx,
1152         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
1153         [ AC_DEFINE(DISABLE_WTMPX) ]
1154 )
1155 AC_ARG_ENABLE(libutil,
1156         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
1157         [ AC_DEFINE(DISABLE_LOGIN) ]
1158 )
1159 AC_ARG_ENABLE(pututline,
1160         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
1161         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
1162 )
1163 AC_ARG_ENABLE(pututxline,
1164         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
1165         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
1166 )
1167 AC_ARG_WITH(lastlog,
1168   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
1169   [ conf_lastlog_location="$withval";  ],)
1170
1171 dnl lastlog, [uw]tmpx? detection
1172 dnl  NOTE: set the paths in the platform section to avoid the
1173 dnl   need for command-line parameters
1174 dnl lastlog and [uw]tmp are subject to a file search if all else fails
1175
1176 dnl lastlog detection
1177 dnl  NOTE: the code itself will detect if lastlog is a directory
1178 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
1179 AC_TRY_COMPILE([
1180 #include <sys/types.h>
1181 #include <utmp.h>
1182 #ifdef HAVE_LASTLOG_H
1183 #  include <lastlog.h>
1184 #endif
1185 #ifdef HAVE_PATHS_H
1186 #  include <paths.h>
1187 #endif
1188         ],
1189         [ char *lastlog = LASTLOG_FILE; ],
1190         [ AC_MSG_RESULT(yes) ],
1191         [
1192                 AC_MSG_RESULT(no)
1193                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
1194                 AC_TRY_COMPILE([
1195 #include <sys/types.h>
1196 #include <utmp.h>
1197 #ifdef HAVE_LASTLOG_H
1198 #  include <lastlog.h>
1199 #endif
1200 #ifdef HAVE_PATHS_H
1201 #  include <paths.h>
1202 #endif
1203                 ],
1204                 [ char *lastlog = _PATH_LASTLOG; ],
1205                 [ AC_MSG_RESULT(yes) ],
1206                 [
1207                         AC_MSG_RESULT(no)
1208                         system_lastlog_path=no
1209                 ])
1210         ]
1211 )
1212
1213 if test -z "$conf_lastlog_location"; then
1214         if test x"$system_lastlog_path" = x"no" ; then
1215                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
1216                                 if (test -d "$f" || test -f "$f") ; then
1217                                         conf_lastlog_location=$f
1218                                 fi
1219                 done
1220                 if test -z "$conf_lastlog_location"; then
1221                         AC_MSG_WARN([** Cannot find lastlog **])
1222                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
1223                 fi
1224         fi
1225 fi
1226
1227 if test -n "$conf_lastlog_location"; then
1228         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
1229 fi
1230
1231 dnl utmp detection
1232 AC_MSG_CHECKING([if your system defines UTMP_FILE])
1233 AC_TRY_COMPILE([
1234 #include <sys/types.h>
1235 #include <utmp.h>
1236 #ifdef HAVE_PATHS_H
1237 #  include <paths.h>
1238 #endif
1239         ],
1240         [ char *utmp = UTMP_FILE; ],
1241         [ AC_MSG_RESULT(yes) ],
1242         [ AC_MSG_RESULT(no)
1243           system_utmp_path=no ]
1244 )
1245 if test -z "$conf_utmp_location"; then
1246         if test x"$system_utmp_path" = x"no" ; then
1247                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
1248                         if test -f $f ; then
1249                                 conf_utmp_location=$f
1250                         fi
1251                 done
1252                 if test -z "$conf_utmp_location"; then
1253                         AC_DEFINE(DISABLE_UTMP)
1254                 fi
1255         fi
1256 fi
1257 if test -n "$conf_utmp_location"; then
1258         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
1259 fi
1260
1261 dnl wtmp detection
1262 AC_MSG_CHECKING([if your system defines WTMP_FILE])
1263 AC_TRY_COMPILE([
1264 #include <sys/types.h>
1265 #include <utmp.h>
1266 #ifdef HAVE_PATHS_H
1267 #  include <paths.h>
1268 #endif
1269         ],
1270         [ char *wtmp = WTMP_FILE; ],
1271         [ AC_MSG_RESULT(yes) ],
1272         [ AC_MSG_RESULT(no)
1273           system_wtmp_path=no ]
1274 )
1275 if test -z "$conf_wtmp_location"; then
1276         if test x"$system_wtmp_path" = x"no" ; then
1277                 for f in /usr/adm/wtmp /var/log/wtmp; do
1278                         if test -f $f ; then
1279                                 conf_wtmp_location=$f
1280                         fi
1281                 done
1282                 if test -z "$conf_wtmp_location"; then
1283                         AC_DEFINE(DISABLE_WTMP)
1284                 fi
1285         fi
1286 fi
1287 if test -n "$conf_wtmp_location"; then
1288         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
1289 fi
1290
1291
1292 dnl utmpx detection - I don't know any system so perverse as to require
1293 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
1294 dnl  there, though.
1295 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
1296 AC_TRY_COMPILE([
1297 #include <sys/types.h>
1298 #include <utmp.h>
1299 #ifdef HAVE_UTMPX_H
1300 #include <utmpx.h>
1301 #endif
1302 #ifdef HAVE_PATHS_H
1303 #  include <paths.h>
1304 #endif
1305         ],
1306         [ char *utmpx = UTMPX_FILE; ],
1307         [ AC_MSG_RESULT(yes) ],
1308         [ AC_MSG_RESULT(no)
1309           system_utmpx_path=no ]
1310 )
1311 if test -z "$conf_utmpx_location"; then
1312         if test x"$system_utmpx_path" = x"no" ; then
1313                 AC_DEFINE(DISABLE_UTMPX)
1314         fi
1315 else
1316         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
1317 fi
1318
1319 dnl wtmpx detection
1320 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
1321 AC_TRY_COMPILE([
1322 #include <sys/types.h>
1323 #include <utmp.h>
1324 #ifdef HAVE_UTMPX_H
1325 #include <utmpx.h>
1326 #endif
1327 #ifdef HAVE_PATHS_H
1328 #  include <paths.h>
1329 #endif
1330         ],
1331         [ char *wtmpx = WTMPX_FILE; ],
1332         [ AC_MSG_RESULT(yes) ],
1333         [ AC_MSG_RESULT(no)
1334           system_wtmpx_path=no ]
1335 )
1336 if test -z "$conf_wtmpx_location"; then
1337         if test x"$system_wtmpx_path" = x"no" ; then
1338                 AC_DEFINE(DISABLE_WTMPX)
1339         fi
1340 else
1341         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
1342 fi
1343
1344
1345 # Change default command timeout for builtin PRNG
1346 entropy_timeout=200
1347 AC_ARG_WITH(entropy-timeout,
1348         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1349         [
1350                 if test "x$withval" != "xno" ; then
1351                         entropy_timeout=$withval
1352                 fi
1353         ]
1354 )
1355 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1356
1357
1358 if test ! -z "$blibpath" ; then
1359         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
1360         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
1361 fi
1362
1363 AC_OUTPUT(Makefile ssh_prng_cmds)
1364
1365 # Print summary of options
1366
1367 if test x$MANTYPE = x'$(CATMAN)' ; then
1368         MAN_MSG=cat
1369 else
1370         MAN_MSG=man
1371 fi
1372 if test ! -z "$RANDOM_POOL" ; then
1373         RAND_MSG="Device ($RANDOM_POOL)"
1374 else
1375         if test ! -z "$EGD_SOCKET" ; then
1376                 RAND_MSG="EGD ($EGD_SOCKET)"
1377         else
1378                 RAND_MSG="Builtin (timeout $entropy_timeout)"
1379         fi
1380 fi
1381
1382 # Someone please show me a better way :)
1383 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
1384 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
1385 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
1386 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
1387 E=`eval echo ${libexecdir}/ssh/ssh-askpass` ; E=`eval echo ${E}`
1388 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
1389 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
1390
1391 echo ""
1392 echo "OpenSSH configured has been configured with the following options."
1393 echo "                 User binaries: $B"
1394 echo "               System binaries: $C"
1395 echo "           Configuration files: $D"
1396 echo "               Askpass program: $E"
1397 echo "                  Manual pages: $F"
1398 echo "                      PID file: $G"
1399 echo "      Random number collection: $RAND_MSG"
1400 echo "                Manpage format: $MAN_MSG"
1401 echo "                   PAM support: ${PAM_MSG}"
1402 echo "            KerberosIV support: $KRB4_MSG"
1403 echo "                   AFS support: $AFS_MSG"
1404 echo "                 S/KEY support: $SKEY_MSG"
1405 echo "          TCP Wrappers support: $TCPW_MSG"
1406 echo "          MD5 password support: $MD5_MSG"
1407 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
1408 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
1409 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
1410
1411 echo ""
1412
1413 echo "Compiler flags: ${CFLAGS}"
1414 echo "Linker flags: ${LDFLAGS}"
1415 echo "Libraries: ${LIBS}"
1416
1417 echo ""
1418