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 AC_PATH_PROGS(FILEPRIV, filepriv, true, /sbin:/usr/sbin)
  17
  18 if test -z "$AR" ; then
  19         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  20 fi
  21
  22 # Use LOGIN_PROGRAM from environment if possible
  23 if test ! -z "$LOGIN_PROGRAM" ; then
  24         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  25 else
  26         # Search for login
  27         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  28         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  29                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  30         fi
  31 fi
  32
  33 if test -z "$LD" ; then
  34         LD=$CC
  35 fi
  36 AC_SUBST(LD)
  37
  38 # C Compiler features
  39 AC_C_INLINE
  40 if test "$GCC" = "yes"; then
  41         CFLAGS="$CFLAGS -Wall"
  42 fi
  43
  44 # Check for some target-specific stuff
  45 case "$host" in
  46 *-*-aix*)
  47         AFS_LIBS="-lld"
  48         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
  49         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  50         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  51                 blibpath="/usr/lib:/lib:/usr/local/lib"
  52         fi
  53         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  54         AC_DEFINE(BROKEN_GETADDRINFO)
  55         MANTYPE='$(CATMAN)'
  56         mansubdir=cat
  57         dnl AIX handles lastlog as part of its login message
  58         AC_DEFINE(DISABLE_LASTLOG)
  59         MANTYPE='$(CATMAN)'
  60         mansubdir=cat
  61         ;;
  62 *-*-cygwin*)
  63         LIBS="$LIBS -lregex /usr/lib/textmode.o"
  64         AC_DEFINE(HAVE_CYGWIN)
  65         AC_DEFINE(DISABLE_PAM)
  66         AC_DEFINE(DISABLE_SHADOW)
  67         AC_DEFINE(IPV4_DEFAULT)
  68         AC_DEFINE(IP_TOS_IS_BROKEN)
  69         AC_DEFINE(BROKEN_VHANGUP)
  70         no_pam=1
  71         no_libsocket=1
  72         no_libnsl=1
  73         ;;
  74 *-*-hpux10*)
  75         if test -z "$GCC"; then
  76                 CFLAGS="$CFLAGS -Ae"
  77         fi
  78         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  79         IPADDR_IN_DISPLAY=yes
  80         AC_DEFINE(USE_PIPES)
  81         AC_DEFINE(DISABLE_SHADOW)
  82         AC_DEFINE(DISABLE_UTMP)
  83         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  84         LIBS="$LIBS -lsec"
  85         MANTYPE='$(CATMAN)'
  86         mansubdir=cat
  87         ;;
  88 *-*-hpux11*)
  89         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
  90         IPADDR_IN_DISPLAY=yes
  91         AC_DEFINE(PAM_SUN_CODEBASE)
  92         AC_DEFINE(USE_PIPES)
  93         AC_DEFINE(DISABLE_SHADOW)
  94         AC_DEFINE(DISABLE_UTMP)
  95         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  96         LIBS="$LIBS -lsec"
  97         MANTYPE='$(CATMAN)'
  98         mansubdir=cat
  99         ;;
 100 *-*-irix5*)
 101         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 102         LDFLAGS="$LDFLAGS"
 103         PATH="$PATH:/usr/etc"
 104         MANTYPE='$(CATMAN)'
 105         no_libsocket=1
 106         no_libnsl=1
 107         AC_DEFINE(BROKEN_INET_NTOA)
 108         ;;
 109 *-*-irix6*)
 110         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 111         LDFLAGS="$LDFLAGS"
 112         PATH="$PATH:/usr/etc"
 113         MANTYPE='$(CATMAN)'
 114         AC_DEFINE(WITH_IRIX_ARRAY)
 115         AC_DEFINE(WITH_IRIX_PROJECT)
 116         AC_DEFINE(WITH_IRIX_AUDIT)
 117         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 118         no_libsocket=1
 119         no_libnsl=1
 120         AC_DEFINE(BROKEN_INET_NTOA)
 121         mansubdir=man
 122         ;;
 123 *-*-linux*)
 124         no_dev_ptmx=1
 125         AC_DEFINE(DONT_TRY_OTHER_AF)
 126         AC_DEFINE(PAM_TTY_KLUDGE)
 127         inet6_default_4in6=yes
 128         ;;
 129 mips-sony-bsd|mips-sony-newsos4)
 130         AC_DEFINE(HAVE_NEWS4)
 131         SONY=1
 132         AC_CHECK_LIB(iberty, xatexit, AC_DEFINE(HAVE_XATEXIT),
 133                 AC_MSG_ERROR([*** libiberty missing - please install first ***])
 134         )
 135         ;;
 136 *-*-netbsd*)
 137         need_dash_r=1
 138         ;;
 139 *-next-*)
 140         conf_lastlog_location="/usr/adm/lastlog"
 141         conf_utmp_location=/etc/utmp
 142         conf_wtmp_location=/usr/adm/wtmp
 143         MAIL=/usr/spool/mail
 144         AC_DEFINE(HAVE_NEXT)
 145         AC_DEFINE(BROKEN_REALPATH)
 146         AC_DEFINE(USE_PIPES)
 147         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 148         CFLAGS="$CFLAGS"
 149         ;;
 150 *-*-solaris*)
 151         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 152         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib -L/usr/ucblib -R/usr/ucblib"
 153         need_dash_r=1
 154         AC_DEFINE(PAM_SUN_CODEBASE)
 155         # hardwire lastlog location (can't detect it on some versions)
 156         conf_lastlog_location="/var/adm/lastlog"
 157         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 158         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 159         if test "$sol2ver" -ge 8; then
 160                 AC_MSG_RESULT(yes)
 161                 AC_DEFINE(DISABLE_UTMP)
 162                 AC_DEFINE(DISABLE_WTMP)
 163         else
 164                 AC_MSG_RESULT(no)
 165         fi
 166         ;;
 167 *-*-sunos4*)
 168         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 169         AC_CHECK_FUNCS(getpwanam)
 170         AC_DEFINE(PAM_SUN_CODEBASE)
 171         conf_utmp_location=/etc/utmp
 172         conf_wtmp_location=/var/adm/wtmp
 173         conf_lastlog_location=/var/adm/lastlog
 174         AC_DEFINE(USE_PIPES)
 175         MANTYPE='$(CATMAN)'
 176         mansubdir=cat
 177         ;;
 178 *-sni-sysv*)
 179         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 180         LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/ucblib"
 181         MANTYPE='$(CATMAN)'
 182         IPADDR_IN_DISPLAY=yes
 183         AC_DEFINE(USE_PIPES)
 184         AC_DEFINE(IP_TOS_IS_BROKEN)
 185         mansubdir=cat
 186         LIBS="$LIBS -lgen -lnsl -lucb"
 187         ;;
 188 *-*-sysv4.2*)
 189         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 190         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 191         MANTYPE='$(CATMAN)'
 192         mansubdir=cat
 193         enable_suid_ssh=no
 194         ;;
 195 *-*-sysv5*)
 196         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 197         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 198         MANTYPE='$(CATMAN)'
 199         mansubdir=cat
 200         enable_suid_ssh=no
 201         ;;
 202 *-*-sysv*)
 203         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 204         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 205         MANTYPE='$(CATMAN)'
 206         mansubdir=cat
 207         LIBS="$LIBS -lgen -lsocket"
 208         ;;
 209 *-*-sco3.2v4*)
 210         AC_DEFINE(USE_PIPES)
 211         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 212         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 213         MANTYPE='$(CATMAN)'
 214         mansubdir=cat
 215         LIBS="$LIBS -lgen -lsocket -los -lprot -lx -ltinfo -lm"
 216         no_dev_ptmx=1
 217         RANLIB=true
 218         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 219         rsh_path="/usr/bin/rcmd"
 220         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 221         AC_DEFINE(DISABLE_SHADOW)
 222         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 223         ;;
 224 *-*-sco3.2v5*)
 225         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 226         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 227         MANTYPE='$(CATMAN)'
 228         mansubdir=cat
 229         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 230         no_dev_ptmx=1
 231         rsh_path="/usr/bin/rcmd"
 232         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 233         AC_DEFINE(DISABLE_SHADOW)
 234         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 235         ;;
 236 *-dec-osf*)
 237 # This is untested
 238         if test ! -z "USE_SIA" ; then
 239                 AC_MSG_CHECKING(for Digital Unix Security Integration Architecture)
 240                 if test -f /etc/sia/matrix.conf; then
 241                         AC_MSG_RESULT(yes)
 242                         AC_DEFINE(HAVE_OSF_SIA)
 243                         AC_DEFINE(DISABLE_LOGIN)
 244                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 245                 else
 246                         AC_MSG_RESULT(no)
 247                 fi
 248         fi
 249         ;;
 250 esac
 251
 252 # Allow user to specify flags
 253 AC_ARG_WITH(cflags,
 254         [  --with-cflags           Specify additional flags to pass to compiler],
 255         [
 256                 if test "x$withval" != "xno" ; then
 257                         CFLAGS="$CFLAGS $withval"
 258                 fi
 259         ]
 260 )
 261 AC_ARG_WITH(cppflags,
 262         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 263         [
 264                 if test "x$withval" != "xno"; then
 265                         CPPFLAGS="$CPPFLAGS $withval"
 266                 fi
 267         ]
 268 )
 269 AC_ARG_WITH(ldflags,
 270         [  --with-ldflags          Specify additional flags to pass to linker],
 271         [
 272                 if test "x$withval" != "xno" ; then
 273                         LDFLAGS="$LDFLAGS $withval"
 274                 fi
 275         ]
 276 )
 277 AC_ARG_WITH(libs,
 278         [  --with-libs             Specify additional libraries to link with],
 279         [
 280                 if test "x$withval" != "xno" ; then
 281                         LIBS="$LIBS $withval"
 282                 fi
 283         ]
 284 )
 285
 286
 287 # Checks for libraries.
 288 if test -z "$no_libsocket" ; then
 289         AC_CHECK_LIB(nsl, yp_match, , )
 290 fi
 291 if test -z "$no_libnsl" ; then
 292         AC_CHECK_LIB(socket, main, , )
 293 fi
 294
 295 AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen")
 296 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first ***]))
 297 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
 298
 299 AC_CHECK_FUNC(regcomp,
 300         [],
 301         [
 302                 AC_CHECK_LIB(pcre, pcre_info,
 303                         AC_DEFINE(HAVE_LIBPCRE) LIBS="$LIBS -lpcreposix -lpcre")
 304         ]
 305 )
 306
 307 dnl UnixWare 2.x
 308 AC_CHECK_FUNC(strcasecmp,
 309         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 310 )
 311 AC_CHECK_FUNC(utimes,
 312         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 313 )
 314
 315 # Checks for header files.
 316 AC_CHECK_HEADERS(bstring.h endian.h floatingpoint.h getopt.h lastlog.h limits.h login.h login_cap.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/queue.h sys/select.h sys/stat.h sys/stropts.h sys/sysmacros.h sys/time.h sys/ttcompat.h sys/un.h stddef.h time.h ttyent.h usersec.h util.h utime.h utmp.h utmpx.h vis.h)
 317
 318 dnl    Checks for library functions.
 319 AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_af clock fchmod freeaddrinfo futimes gai_strerror getcwd getaddrinfo getgrouplist getnameinfo getrlimit getrusage getttyent inet_aton inet_ntoa innetgr login_getcapbool md5_crypt memmove mkdtemp on_exit openpty realpath rresvport_af setdtablesize setenv seteuid setlogin setproctitle setreuid setrlimit setsid sigaction sigvec snprintf strerror strlcat strlcpy strsep strtok_r sysconf utimes vsnprintf vhangup vis waitpid _getpty __b64_ntop)
 320 dnl    Checks for time functions
 321 AC_CHECK_FUNCS(gettimeofday time)
 322 dnl    Checks for libutil functions
 323 AC_CHECK_HEADERS(libutil.h)
 324 AC_CHECK_FUNCS(login logout updwtmp logwtmp)
 325 dnl    Checks for utmp functions
 326 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 327 AC_CHECK_FUNCS(utmpname)
 328 dnl    Checks for utmpx functions
 329 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 330 AC_CHECK_FUNCS(setutxent utmpxname)
 331
 332 AC_CHECK_FUNC(getuserattr,
 333         [AC_DEFINE(HAVE_GETUSERATTR)],
 334         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 335 )
 336
 337 AC_CHECK_FUNC(login,
 338         [AC_DEFINE(HAVE_LOGIN)],
 339         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 340 )
 341
 342 AC_CHECK_FUNC(daemon,
 343         [AC_DEFINE(HAVE_DAEMON)],
 344         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 345 )
 346
 347 AC_CHECK_FUNC(getpagesize,
 348         [AC_DEFINE(HAVE_GETPAGESIZE)],
 349         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 350 )
 351
 352 # Check for broken snprintf
 353 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 354         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 355         AC_TRY_RUN(
 356                 [
 357 #include <stdio.h>
 358 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 359                 ],
 360                 [AC_MSG_RESULT(yes)],
 361                 [
 362                         AC_MSG_RESULT(no)
 363                         AC_DEFINE(BROKEN_SNPRINTF)
 364                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 365                 ]
 366         )
 367 fi
 368
 369 AC_FUNC_GETPGRP
 370
 371 PAM_MSG="no"
 372 AC_ARG_WITH(pam,
 373         [  --without-pam           Disable PAM support ],
 374         [
 375                 if test "x$withval" = "xno" ; then
 376                         no_pam=1
 377                         AC_DEFINE(DISABLE_PAM)
 378                         PAM_MSG="disabled"
 379                 fi
 380         ]
 381 )
 382 if (test -z "$no_pam" && test "x$ac_cv_header_security_pam_appl_h" = "xyes") ; then
 383         AC_CHECK_LIB(dl, dlopen, , )
 384         LIBS="$LIBS -lpam"
 385
 386         AC_CHECK_FUNCS(pam_getenvlist)
 387
 388         disable_shadow=yes
 389
 390         PAM_MSG="yes"
 391
 392         # Check PAM strerror arguments (old PAM)
 393         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 394         AC_TRY_COMPILE(
 395                 [
 396 #include <stdlib.h>
 397 #include <security/pam_appl.h>
 398                 ],
 399                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 400                 [AC_MSG_RESULT(no)],
 401                 [
 402                         AC_DEFINE(HAVE_OLD_PAM)
 403                         AC_MSG_RESULT(yes)
 404                         PAM_MSG="yes (old library)"
 405                 ]
 406         )
 407 fi
 408
 409 # The big search for OpenSSL
 410 AC_ARG_WITH(ssl-dir,
 411         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 412         [
 413                 if test "x$withval" != "xno" ; then
 414                         tryssldir=$withval
 415                 fi
 416         ]
 417 )
 418
 419 saved_LIBS="$LIBS"
 420 saved_LDFLAGS="$LDFLAGS"
 421 saved_CPPFLAGS="$CPPFLAGS"
 422 if test "x$prefix" != "xNONE" ; then
 423         tryssldir="$tryssldir $prefix"
 424 fi
 425 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 426
 427         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 428                 if test ! -z "$ssldir" ; then
 429                         LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 430                         CPPFLAGS="$saved_CPPFLAGS -I$ssldir/include"
 431                         if test ! -z "$need_dash_r" ; then
 432                                 LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 433                         fi
 434                 else
 435                         LDFLAGS="$saved_LDFLAGS"
 436                 fi
 437
 438                 LIBS="$saved_LIBS -lcrypto"
 439
 440                 # Basic test to check for compatible version and correct linking
 441                 # *does not* test for RSA - that comes later.
 442                 AC_TRY_RUN(
 443                         [
 444 #include <string.h>
 445 #include <openssl/rand.h>
 446 int main(void)
 447 {
 448         char a[2048];
 449         memset(a, 0, sizeof(a));
 450         RAND_add(a, sizeof(a), sizeof(a));
 451         return(RAND_status() <= 0);
 452 }
 453                         ],
 454                         [
 455                                 found_crypto=1
 456                                 break;
 457                         ], []
 458                 )
 459
 460                 if test ! -z "$found_crypto" ; then
 461                         break;
 462                 fi
 463         done
 464
 465         if test -z "$found_crypto" ; then
 466                 AC_MSG_ERROR([Could not find working SSLeay / OpenSSL libraries, please install])
 467         fi
 468         if test -z "$ssldir" ; then
 469                 ssldir="(system)"
 470         fi
 471
 472         ac_cv_openssldir=$ssldir
 473 ])
 474
 475 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 476         AC_DEFINE(HAVE_OPENSSL)
 477         dnl Need to recover ssldir - test above runs in subshell
 478         ssldir=$ac_cv_openssldir
 479         CPPFLAGS="$saved_CPPFLAGS -I$ssldir/include"
 480         LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
 481         if test ! -z "$need_dash_r" ; then
 482                 LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
 483         fi
 484         if test ! -z "$blibpath" ; then
 485                 blibpath="$blibpath:$ssldir:$ssldir/lib"
 486         fi
 487 fi
 488 LIBS="$saved_LIBS -lcrypto"
 489
 490 # Now test RSA support
 491 saved_LIBS="$LIBS"
 492 AC_MSG_CHECKING([for RSA support])
 493 for WANTS_RSAREF in "" 1 ; do
 494         if test -z "$WANTS_RSAREF" ; then
 495                 LIBS="$saved_LIBS"
 496         else
 497                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 498         fi
 499         AC_TRY_RUN([
 500 #include <string.h>
 501 #include <openssl/rand.h>
 502 #include <openssl/rsa.h>
 503 #include <openssl/bn.h>
 504 #include <openssl/sha.h>
 505 int main(void)
 506 {
 507         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 508         unsigned char c[256], p[256];
 509         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 510         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 511         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 512         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 513 }
 514         ],
 515         [
 516                 rsa_works=1
 517                 break;
 518         ], [])
 519 done
 520
 521 if test ! -z "$no_rsa" ; then
 522         AC_MSG_RESULT(disabled)
 523         RSA_MSG="disabled"
 524 else
 525         if test -z "$rsa_works" ; then
 526                 AC_MSG_WARN([*** No RSA support found *** ])
 527                 RSA_MSG="no"
 528         else
 529                 if test -z "$WANTS_RSAREF" ; then
 530                         AC_MSG_RESULT(yes)
 531                         RSA_MSG="yes"
 532                 else
 533                         RSA_MSG="yes (using RSAref)"
 534                         AC_MSG_RESULT(using RSAref)
 535                         LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
 536                 fi
 537         fi
 538 fi
 539
 540 # Cheap hack to ensure NEWS-OS libraries are arranged right.
 541 if test ! -z "$SONY" ; then
 542   LIBS="$LIBS -liberty";
 543 fi
 544
 545 # Checks for data types
 546 AC_CHECK_SIZEOF(char, 1)
 547 AC_CHECK_SIZEOF(short int, 2)
 548 AC_CHECK_SIZEOF(int, 4)
 549 AC_CHECK_SIZEOF(long int, 4)
 550 AC_CHECK_SIZEOF(long long int, 8)
 551
 552 # More checks for data types
 553 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
 554         AC_TRY_COMPILE(
 555                 [ #include <sys/types.h> ],
 556                 [ u_int a; a = 1;],
 557                 [ ac_cv_have_u_int="yes" ],
 558                 [ ac_cv_have_u_int="no" ]
 559         )
 560 ])
 561 if test "x$ac_cv_have_u_int" = "xyes" ; then
 562         AC_DEFINE(HAVE_U_INT)
 563         have_u_int=1
 564 fi
 565
 566 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
 567         AC_TRY_COMPILE(
 568                 [ #include <sys/types.h> ],
 569                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 570                 [ ac_cv_have_intxx_t="yes" ],
 571                 [ ac_cv_have_intxx_t="no" ]
 572         )
 573 ])
 574 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 575         AC_DEFINE(HAVE_INTXX_T)
 576         have_intxx_t=1
 577 fi
 578
 579 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
 580         AC_TRY_COMPILE(
 581                 [ #include <sys/types.h> ],
 582                 [ int64_t a; a = 1;],
 583                 [ ac_cv_have_int64_t="yes" ],
 584                 [ ac_cv_have_int64_t="no" ]
 585         )
 586 ])
 587 if test "x$ac_cv_have_int64_t" = "xyes" ; then
 588         AC_DEFINE(HAVE_INT64_T)
 589         have_int64_t=1
 590 fi
 591
 592 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
 593         AC_TRY_COMPILE(
 594                 [ #include <sys/types.h> ],
 595                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 596                 [ ac_cv_have_u_intxx_t="yes" ],
 597                 [ ac_cv_have_u_intxx_t="no" ]
 598         )
 599 ])
 600 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 601         AC_DEFINE(HAVE_U_INTXX_T)
 602         have_u_intxx_t=1
 603 fi
 604
 605 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
 606         AC_TRY_COMPILE(
 607                 [ #include <sys/types.h> ],
 608                 [ u_int64_t a; a = 1;],
 609                 [ ac_cv_have_u_int64_t="yes" ],
 610                 [ ac_cv_have_u_int64_t="no" ]
 611         )
 612 ])
 613 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
 614         AC_DEFINE(HAVE_U_INT64_T)
 615         have_u_int64_t=1
 616 fi
 617
 618 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
 619            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
 620 then
 621         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 622         AC_TRY_COMPILE(
 623                 [
 624 #include <sys/bitypes.h>
 625                 ],
 626                 [
 627                         int8_t a; int16_t b; int32_t c;
 628                         u_int8_t e; u_int16_t f; u_int32_t g;
 629                         a = b = c = e = f = g = 1;
 630                 ],
 631                 [
 632                         AC_DEFINE(HAVE_U_INTXX_T)
 633                         AC_DEFINE(HAVE_INTXX_T)
 634                         AC_MSG_RESULT(yes)
 635                 ],
 636                 [AC_MSG_RESULT(no)]
 637         )
 638 fi
 639
 640 if test -z "$have_u_intxx_t" ; then
 641         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 642                 AC_TRY_COMPILE(
 643                         [
 644 #include <sys/types.h>
 645                         ],
 646                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
 647                         [ ac_cv_have_uintxx_t="yes" ],
 648                         [ ac_cv_have_uintxx_t="no" ]
 649                 )
 650         ])
 651         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
 652                 AC_DEFINE(HAVE_UINTXX_T)
 653         fi
 654 fi
 655
 656 AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
 657         AC_TRY_COMPILE(
 658                 [
 659 #include <sys/types.h>
 660 #include <sys/socket.h>
 661                 ],
 662                 [socklen_t foo; foo = 1235;],
 663                 [ ac_cv_have_socklen_t="yes" ],
 664                 [ ac_cv_have_socklen_t="no" ]
 665         )
 666 ])
 667 if test "x$ac_cv_have_socklen_t" = "xyes" ; then
 668         AC_DEFINE(HAVE_SOCKLEN_T)
 669 fi
 670
 671 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
 672         AC_TRY_COMPILE(
 673                 [
 674 #include <sys/types.h>
 675                 ],
 676                 [ size_t foo; foo = 1235; ],
 677                 [ ac_cv_have_size_t="yes" ],
 678                 [ ac_cv_have_size_t="no" ]
 679         )
 680 ])
 681 if test "x$ac_cv_have_size_t" = "xyes" ; then
 682         AC_DEFINE(HAVE_SIZE_T)
 683 fi
 684
 685 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
 686         AC_TRY_COMPILE(
 687                 [
 688 #include <sys/types.h>
 689                 ],
 690                 [ ssize_t foo; foo = 1235; ],
 691                 [ ac_cv_have_ssize_t="yes" ],
 692                 [ ac_cv_have_ssize_t="no" ]
 693         )
 694 ])
 695 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
 696         AC_DEFINE(HAVE_SSIZE_T)
 697 fi
 698
 699 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
 700         AC_TRY_COMPILE(
 701                 [
 702 #include <time.h>
 703                 ],
 704                 [ clock_t foo; foo = 1235; ],
 705                 [ ac_cv_have_clock_t="yes" ],
 706                 [ ac_cv_have_clock_t="no" ]
 707         )
 708 ])
 709 if test "x$ac_cv_have_clock_t" = "xyes" ; then
 710         AC_DEFINE(HAVE_CLOCK_T)
 711 fi
 712
 713 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
 714         AC_TRY_COMPILE(
 715                 [
 716 #include <sys/types.h>
 717 #include <sys/socket.h>
 718                 ],
 719                 [ sa_family_t foo; foo = 1235; ],
 720                 [ ac_cv_have_sa_family_t="yes" ],
 721                 [ AC_TRY_COMPILE(
 722                   [
 723 #include <sys/types.h>
 724 #include <sys/socket.h>
 725 #include <netinet/in.h>
 726                 ],
 727                 [ sa_family_t foo; foo = 1235; ],
 728                 [ ac_cv_have_sa_family_t="yes" ],
 729
 730                 [ ac_cv_have_sa_family_t="no" ]
 731         )]
 732         )
 733 ])
 734 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
 735         AC_DEFINE(HAVE_SA_FAMILY_T)
 736 fi
 737
 738 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
 739         AC_TRY_COMPILE(
 740                 [
 741 #include <sys/types.h>
 742                 ],
 743                 [ pid_t foo; foo = 1235; ],
 744                 [ ac_cv_have_pid_t="yes" ],
 745                 [ ac_cv_have_pid_t="no" ]
 746         )
 747 ])
 748 if test "x$ac_cv_have_pid_t" = "xyes" ; then
 749         AC_DEFINE(HAVE_PID_T)
 750 fi
 751
 752 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
 753         AC_TRY_COMPILE(
 754                 [
 755 #include <sys/types.h>
 756                 ],
 757                 [ mode_t foo; foo = 1235; ],
 758                 [ ac_cv_have_mode_t="yes" ],
 759                 [ ac_cv_have_mode_t="no" ]
 760         )
 761 ])
 762 if test "x$ac_cv_have_mode_t" = "xyes" ; then
 763         AC_DEFINE(HAVE_MODE_T)
 764 fi
 765
 766
 767 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
 768         AC_TRY_COMPILE(
 769                 [
 770 #include <sys/types.h>
 771 #include <sys/socket.h>
 772                 ],
 773                 [ struct sockaddr_storage s; ],
 774                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
 775                 [ ac_cv_have_struct_sockaddr_storage="no" ]
 776         )
 777 ])
 778 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
 779         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
 780 fi
 781
 782 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
 783         AC_TRY_COMPILE(
 784                 [
 785 #include <sys/types.h>
 786 #include <netinet/in.h>
 787                 ],
 788                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
 789                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
 790                 [ ac_cv_have_struct_sockaddr_in6="no" ]
 791         )
 792 ])
 793 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
 794         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
 795 fi
 796
 797 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
 798         AC_TRY_COMPILE(
 799                 [
 800 #include <sys/types.h>
 801 #include <netinet/in.h>
 802                 ],
 803                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
 804                 [ ac_cv_have_struct_in6_addr="yes" ],
 805                 [ ac_cv_have_struct_in6_addr="no" ]
 806         )
 807 ])
 808 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
 809         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
 810 fi
 811
 812 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
 813         AC_TRY_COMPILE(
 814                 [
 815 #include <sys/types.h>
 816 #include <sys/socket.h>
 817 #include <netdb.h>
 818                 ],
 819                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
 820                 [ ac_cv_have_struct_addrinfo="yes" ],
 821                 [ ac_cv_have_struct_addrinfo="no" ]
 822         )
 823 ])
 824 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
 825         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
 826 fi
 827
 828 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
 829         AC_TRY_COMPILE(
 830                 [ #include <sys/time.h> ],
 831                 [ struct timeval tv; tv.tv_sec = 1;],
 832                 [ ac_cv_have_struct_timeval="yes" ],
 833                 [ ac_cv_have_struct_timeval="no" ]
 834         )
 835 ])
 836 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
 837         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
 838         have_struct_timeval=1
 839 fi
 840
 841 # If we don't have int64_t then we can't compile sftp-server.  So don't
 842 # even attempt to do it.
 843 if test "x$ac_cv_have_int64_t" = "xno" -a \
 844         "x$ac_cv_sizeof_long_int" != "x8" -a \
 845         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
 846         NO_SFTP='#'
 847 fi
 848 AC_SUBST(NO_SFTP)
 849
 850 dnl Checks for structure members
 851 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
 852 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
 853 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
 854 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
 855 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
 856 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
 857 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
 858 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
 859 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
 860 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
 861 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
 862 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
 863 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
 864 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
 865 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
 866 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
 867 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
 868 AC_STRUCT_ST_BLKSIZE
 869
 870 AC_CACHE_CHECK([for sun_len field in struct sockaddr_un],
 871                 ac_cv_have_sun_len_in_struct_sockaddr_un, [
 872         AC_TRY_COMPILE(
 873                 [
 874 #include <sys/types.h>
 875 #include <sys/socket.h>
 876                 ],
 877                 [ struct sockaddr_un s; s.sun_len = 1; ],
 878                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="yes" ],
 879                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="no" ],
 880         )
 881 ])
 882 if test "x$ac_cv_have_sun_len_in_struct_sockaddr_un" = "xyes" ; then
 883         AC_DEFINE(HAVE_SUN_LEN_IN_SOCKADDR_UN)
 884 fi
 885
 886 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
 887                 ac_cv_have_ss_family_in_struct_ss, [
 888         AC_TRY_COMPILE(
 889                 [
 890 #include <sys/types.h>
 891 #include <sys/socket.h>
 892                 ],
 893                 [ struct sockaddr_storage s; s.ss_family = 1; ],
 894                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
 895                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
 896         )
 897 ])
 898 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
 899         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
 900 fi
 901
 902 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
 903                 ac_cv_have___ss_family_in_struct_ss, [
 904         AC_TRY_COMPILE(
 905                 [
 906 #include <sys/types.h>
 907 #include <sys/socket.h>
 908                 ],
 909                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
 910                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
 911                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
 912         )
 913 ])
 914 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
 915         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
 916 fi
 917
 918 AC_CACHE_CHECK([for pw_class field in struct passwd],
 919                 ac_cv_have_pw_class_in_struct_passwd, [
 920         AC_TRY_COMPILE(
 921                 [
 922 #include <pwd.h>
 923                 ],
 924                 [ struct passwd p; p.pw_class = 0; ],
 925                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
 926                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
 927         )
 928 ])
 929 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
 930         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
 931 fi
 932
 933
 934 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
 935         AC_TRY_LINK([],
 936                 [ extern char *__progname; printf("%s", __progname); ],
 937                 [ ac_cv_libc_defines___progname="yes" ],
 938                 [ ac_cv_libc_defines___progname="no" ]
 939         )
 940 ])
 941 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
 942         AC_DEFINE(HAVE___PROGNAME)
 943 fi
 944
 945
 946 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
 947         AC_TRY_LINK([],
 948                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
 949                 [ ac_cv_libc_defines_sys_errlist="yes" ],
 950                 [ ac_cv_libc_defines_sys_errlist="no" ]
 951         )
 952 ])
 953 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
 954         AC_DEFINE(HAVE_SYS_ERRLIST)
 955 fi
 956
 957
 958 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
 959         AC_TRY_LINK([],
 960                 [ extern int sys_nerr; printf("%i", sys_nerr);],
 961                 [ ac_cv_libc_defines_sys_nerr="yes" ],
 962                 [ ac_cv_libc_defines_sys_nerr="no" ]
 963         )
 964 ])
 965 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
 966         AC_DEFINE(HAVE_SYS_NERR)
 967 fi
 968
 969
 970 # Looking for programs, paths and files
 971 AC_ARG_WITH(rsh,
 972         [  --with-rsh=PATH         Specify path to remote shell program ],
 973         [
 974                 if test "x$withval" != "$no" ; then
 975                         rsh_path=$withval
 976                 fi
 977         ],
 978         [
 979                 AC_PATH_PROG(rsh_path, rsh)
 980         ]
 981 )
 982
 983 AC_ARG_WITH(xauth,
 984         [  --with-xauth=PATH       Specify path to xauth program ],
 985         [
 986                 if test "x$withval" != "xno" ; then
 987                         xauth_path=$withval
 988                 fi
 989         ],
 990         [
 991                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
 992                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
 993                         xauth_path="/usr/openwin/bin/xauth"
 994                 fi
 995         ]
 996 )
 997
 998 if test -z "$xauth_path" ; then
 999         XAUTH_PATH="undefined"
1000         AC_SUBST(XAUTH_PATH)
1001 else
1002         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1003         XAUTH_PATH=$xauth_path
1004         AC_SUBST(XAUTH_PATH)
1005 fi
1006 if test ! -z "$rsh_path" ; then
1007         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
1008 fi
1009
1010 # Check for mail directory (last resort if we cannot get it from headers)
1011 if test ! -z "$MAIL" ; then
1012         maildir=`dirname $MAIL`
1013         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1014 fi
1015
1016 if test -z "$no_dev_ptmx" ; then
1017         AC_CHECK_FILE("/dev/ptmx",
1018                 [
1019                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1020                         have_dev_ptmx=1
1021                 ]
1022         )
1023 fi
1024 AC_CHECK_FILE("/dev/ptc",
1025         [
1026                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1027                 have_dev_ptc=1
1028         ]
1029 )
1030
1031 # Options from here on. Some of these are preset by platform above
1032
1033 # Check for user-specified random device, otherwise check /dev/urandom
1034 AC_ARG_WITH(random,
1035         [  --with-random=FILE      read randomness from FILE (default=/dev/urandom)],
1036         [
1037                 if test "x$withval" != "xno" ; then
1038                         RANDOM_POOL="$withval";
1039                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1040                 fi
1041         ],
1042         [
1043                 # Check for random device
1044                 AC_CHECK_FILE("/dev/urandom",
1045                         [
1046                                 RANDOM_POOL="/dev/urandom";
1047                                 AC_SUBST(RANDOM_POOL)
1048                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1049                         ]
1050                 )
1051         ]
1052 )
1053
1054 # Check for EGD pool file
1055 AC_ARG_WITH(egd-pool,
1056         [  --with-egd-pool=FILE    read randomness from EGD pool FILE (default none)],
1057         [
1058                 if test "x$withval" != "xno" ; then
1059                         EGD_SOCKET="$withval";
1060                         AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
1061                 fi
1062         ]
1063 )
1064
1065 # detect pathnames for entropy gathering commands, if we need them
1066 INSTALL_SSH_PRNG_CMDS=""
1067 rm -f prng_commands
1068 if (test -z "$RANDOM_POOL" && test -z "$EGD_SOCKET") ; then
1069         # Use these commands to collect entropy
1070         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1071         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1072         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1073         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1074         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1075         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1076         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1077         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1078         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1079         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1080         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1081         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1082         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1083         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1084         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1085
1086         INSTALL_SSH_PRNG_CMDS="yes"
1087 fi
1088 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1089
1090
1091 AC_ARG_WITH(catman,
1092         [  --with-catman=man|cat   Install preformatted manpages[no]],
1093         [
1094                 MANTYPE='$(CATMAN)'
1095                 if test x"$withval" != x"yes" ; then
1096                    mansubdir=$withval
1097                 else
1098                    mansubdir=cat
1099                 fi
1100         ], [
1101                 if test -z "$MANTYPE" ; then
1102                         MANTYPE='$(TROFFMAN)'
1103                         mansubdir=man
1104                 fi
1105         ]
1106 )
1107 AC_SUBST(MANTYPE)
1108 AC_SUBST(mansubdir)
1109
1110 # Check whether user wants Kerberos support
1111 KRB4_MSG="no"
1112 AC_ARG_WITH(kerberos4,
1113         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1114         [
1115                 if test "x$withval" != "xno" ; then
1116
1117                         if test "x$withval" != "xyes" ; then
1118                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1119                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1120                                 if test ! -z "$need_dash_r" ; then
1121                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1122                                 fi
1123                                 if test ! -z "$blibpath" ; then
1124                                         blibpath="$blibpath:${withval}/lib"
1125                                 fi
1126                         else
1127                                 if test -d /usr/include/kerberosIV ; then
1128                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1129                                 fi
1130                         fi
1131
1132                         AC_CHECK_HEADERS(krb.h)
1133                         AC_CHECK_LIB(krb, main)
1134                         if test "$ac_cv_header_krb_h" != yes; then
1135                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1136                         fi
1137                         if test "$ac_cv_lib_krb_main" != yes; then
1138                                 AC_MSG_WARN([Cannot find libkrb, build may fail])
1139                         fi
1140
1141                         KLIBS="-lkrb -ldes"
1142                         AC_CHECK_LIB(resolv, dn_expand, , )
1143                         KRB4=yes
1144                         KRB4_MSG="yes"
1145                         AC_DEFINE(KRB4)
1146                 fi
1147         ]
1148 )
1149
1150 # Check whether user wants AFS support
1151 AFS_MSG="no"
1152 AC_ARG_WITH(afs,
1153         [  --with-afs=PATH         Enable AFS support],
1154         [
1155                 if test "x$withval" != "xno" ; then
1156
1157                         if test "x$withval" != "xyes" ; then
1158                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1159                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1160                         fi
1161
1162                         if test -z "$KRB4" ; then
1163                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1164                         fi
1165
1166                         LIBS="$LIBS -lkafs"
1167                         if test ! -z "$AFS_LIBS" ; then
1168                                 LIBS="$LIBS $AFS_LIBS"
1169                         fi
1170                         AC_DEFINE(AFS)
1171                         AFS_MSG="yes"
1172                 fi
1173         ]
1174 )
1175 LIBS="$LIBS $KLIBS"
1176
1177 # Check whether user wants S/Key support
1178 SKEY_MSG="no"
1179 AC_ARG_WITH(skey,
1180         [  --with-skey=PATH         Enable S/Key support],
1181         [
1182                 if test "x$withval" != "xno" ; then
1183
1184                         if test "x$withval" != "xyes" ; then
1185                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1186                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1187                         fi
1188
1189                         AC_DEFINE(SKEY)
1190                         LIBS="$LIBS -lskey"
1191                         SKEY_MSG="yes"
1192
1193                         AC_CHECK_FUNC(skey_keyinfo,
1194                                 [],
1195                                 [
1196                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
1197                                 ])
1198                 fi
1199         ]
1200 )
1201
1202 # Check whether user wants TCP wrappers support
1203 TCPW_MSG="no"
1204 AC_ARG_WITH(tcp-wrappers,
1205         [  --with-tcp-wrappers     Enable tcpwrappers support],
1206         [
1207                 if test "x$withval" != "xno" ; then
1208                         saved_LIBS="$LIBS"
1209                         LIBS="$LIBS -lwrap"
1210                         AC_MSG_CHECKING(for libwrap)
1211                         AC_TRY_LINK(
1212                                 [
1213 #include <tcpd.h>
1214                                         int deny_severity = 0, allow_severity = 0;
1215                                 ],
1216                                 [hosts_access(0);],
1217                                 [
1218                                         AC_MSG_RESULT(yes)
1219                                         AC_DEFINE(LIBWRAP)
1220                                         TCPW_MSG="yes"
1221                                 ],
1222                                 [
1223                                         AC_MSG_ERROR([*** libwrap missing])
1224                                 ]
1225                         )
1226                 fi
1227         ]
1228 )
1229
1230 # Check whether to enable MD5 passwords
1231 MD5_MSG="no"
1232 AC_ARG_WITH(md5-passwords,
1233         [  --with-md5-passwords    Enable use of MD5 passwords],
1234         [
1235                 if test "x$withval" != "xno" ; then
1236                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1237                         MD5_MSG="yes"
1238                 fi
1239         ]
1240 )
1241
1242 # Whether to disable shadow password support
1243 AC_ARG_WITH(shadow,
1244         [  --without-shadow        Disable shadow password support],
1245         [
1246                 if test "x$withval" = "xno" ; then
1247                         AC_DEFINE(DISABLE_SHADOW)
1248                         disable_shadow=yes
1249                 fi
1250         ]
1251 )
1252
1253 if test -z "$disable_shadow" ; then
1254         AC_MSG_CHECKING([if the systems has expire shadow information])
1255         AC_TRY_COMPILE(
1256         [
1257 #include <sys/types.h>
1258 #include <shadow.h>
1259         struct spwd sp;
1260         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1261         [ sp_expire_available=yes ], []
1262         )
1263
1264         if test "x$sp_expire_available" = "xyes" ; then
1265                 AC_MSG_RESULT(yes)
1266                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1267         else
1268                 AC_MSG_RESULT(no)
1269         fi
1270 fi
1271
1272 # Use ip address instead of hostname in $DISPLAY
1273 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1274         DISPLAY_HACK_MSG="yes"
1275         AC_DEFINE(IPADDR_IN_DISPLAY)
1276 else
1277         DISPLAY_HACK_MSG="no"
1278         AC_ARG_WITH(ipaddr-display,
1279                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1280                 [
1281                         if test "x$withval" != "xno" ; then
1282                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1283                                 DISPLAY_HACK_MSG="yes"
1284                         fi
1285                 ]
1286         )
1287 fi
1288
1289 # Whether to mess with the default path
1290 SERVER_PATH_MSG="(default)"
1291 AC_ARG_WITH(default-path,
1292         [  --with-default-path=PATH Specify default \$PATH environment for server],
1293         [
1294                 if test "x$withval" != "xno" ; then
1295                         AC_DEFINE_UNQUOTED(USER_PATH, "$withval")
1296                         SERVER_PATH_MSG="$withval"
1297                 fi
1298         ]
1299 )
1300
1301 # Whether to force IPv4 by default (needed on broken glibc Linux)
1302 IPV4_HACK_MSG="no"
1303 AC_ARG_WITH(ipv4-default,
1304         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
1305         [
1306                 if test "x$withval" != "xno" ; then
1307                         AC_DEFINE(IPV4_DEFAULT)
1308                         IPV4_HACK_MSG="yes"
1309                 fi
1310         ]
1311 )
1312
1313 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
1314 IPV4_IN6_HACK_MSG="no"
1315 AC_ARG_WITH(4in6,
1316         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
1317         [
1318                 if test "x$withval" != "xno" ; then
1319                         AC_MSG_RESULT(yes)
1320                         AC_DEFINE(IPV4_IN_IPV6)
1321                         IPV4_IN6_HACK_MSG="yes"
1322                 else
1323                         AC_MSG_RESULT(no)
1324                 fi
1325         ],[
1326                 if test "x$inet6_default_4in6" = "xyes"; then
1327                         AC_MSG_RESULT([yes (default)])
1328                         AC_DEFINE(IPV4_IN_IPV6)
1329                         IPV4_IN6_HACK_MSG="yes"
1330                 else
1331                         AC_MSG_RESULT([no (default)])
1332                 fi
1333         ]
1334 )
1335
1336 AC_MSG_CHECKING(whether to install ssh as suid root)
1337 AC_ARG_ENABLE(suid-ssh,
1338 [  --enable-suid-ssh       Install ssh as suid root (default)
1339   --disable-suid-ssh      Install ssh without suid bit],
1340 [ case "$enableval" in
1341   no)
1342        AC_MSG_RESULT(no)
1343        SSHMODE=0711
1344        ;;
1345   *)   AC_MSG_RESULT(yes)
1346        SSHMODE=04711
1347        ;;
1348   esac ],
1349   AC_MSG_RESULT(yes)
1350   SSHMODE=04711
1351 )
1352 AC_SUBST(SSHMODE)
1353
1354
1355 # Where to place sshd.pid
1356 piddir=/var/run
1357 AC_ARG_WITH(pid-dir,
1358         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
1359         [
1360                 if test "x$withval" != "xno" ; then
1361                         piddir=$withval
1362                 fi
1363         ]
1364 )
1365
1366 # make sure the directory exists
1367 if test ! -d $piddir ; then
1368         piddir=`eval echo ${sysconfdir}`
1369         case $piddir in
1370                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
1371         esac
1372 fi
1373
1374 AC_DEFINE_UNQUOTED(PIDDIR, "$piddir")
1375 AC_SUBST(piddir)
1376
1377 dnl allow user to disable some login recording features
1378 AC_ARG_ENABLE(lastlog,
1379         [  --disable-lastlog       disable use of lastlog even if detected [no]],
1380         [ AC_DEFINE(DISABLE_LASTLOG) ]
1381 )
1382 AC_ARG_ENABLE(utmp,
1383         [  --disable-utmp          disable use of utmp even if detected [no]],
1384         [ AC_DEFINE(DISABLE_UTMP) ]
1385 )
1386 AC_ARG_ENABLE(utmpx,
1387         [  --disable-utmpx         disable use of utmpx even if detected [no]],
1388         [ AC_DEFINE(DISABLE_UTMPX) ]
1389 )
1390 AC_ARG_ENABLE(wtmp,
1391         [  --disable-wtmp          disable use of wtmp even if detected [no]],
1392         [ AC_DEFINE(DISABLE_WTMP) ]
1393 )
1394 AC_ARG_ENABLE(wtmpx,
1395         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
1396         [ AC_DEFINE(DISABLE_WTMPX) ]
1397 )
1398 AC_ARG_ENABLE(libutil,
1399         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
1400         [ AC_DEFINE(DISABLE_LOGIN) ]
1401 )
1402 AC_ARG_ENABLE(pututline,
1403         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
1404         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
1405 )
1406 AC_ARG_ENABLE(pututxline,
1407         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
1408         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
1409 )
1410 AC_ARG_WITH(lastlog,
1411   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
1412   [ conf_lastlog_location="$withval";  ],)
1413
1414 dnl lastlog, [uw]tmpx? detection
1415 dnl  NOTE: set the paths in the platform section to avoid the
1416 dnl   need for command-line parameters
1417 dnl lastlog and [uw]tmp are subject to a file search if all else fails
1418
1419 dnl lastlog detection
1420 dnl  NOTE: the code itself will detect if lastlog is a directory
1421 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
1422 AC_TRY_COMPILE([
1423 #include <sys/types.h>
1424 #include <utmp.h>
1425 #ifdef HAVE_LASTLOG_H
1426 #  include <lastlog.h>
1427 #endif
1428 #ifdef HAVE_PATHS_H
1429 #  include <paths.h>
1430 #endif
1431         ],
1432         [ char *lastlog = LASTLOG_FILE; ],
1433         [ AC_MSG_RESULT(yes) ],
1434         [
1435                 AC_MSG_RESULT(no)
1436                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
1437                 AC_TRY_COMPILE([
1438 #include <sys/types.h>
1439 #include <utmp.h>
1440 #ifdef HAVE_LASTLOG_H
1441 #  include <lastlog.h>
1442 #endif
1443 #ifdef HAVE_PATHS_H
1444 #  include <paths.h>
1445 #endif
1446                 ],
1447                 [ char *lastlog = _PATH_LASTLOG; ],
1448                 [ AC_MSG_RESULT(yes) ],
1449                 [
1450                         AC_MSG_RESULT(no)
1451                         system_lastlog_path=no
1452                 ])
1453         ]
1454 )
1455
1456 if test -z "$conf_lastlog_location"; then
1457         if test x"$system_lastlog_path" = x"no" ; then
1458                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
1459                                 if (test -d "$f" || test -f "$f") ; then
1460                                         conf_lastlog_location=$f
1461                                 fi
1462                 done
1463                 if test -z "$conf_lastlog_location"; then
1464                         AC_MSG_WARN([** Cannot find lastlog **])
1465                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
1466                 fi
1467         fi
1468 fi
1469
1470 if test -n "$conf_lastlog_location"; then
1471         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
1472 fi
1473
1474 dnl utmp detection
1475 AC_MSG_CHECKING([if your system defines UTMP_FILE])
1476 AC_TRY_COMPILE([
1477 #include <sys/types.h>
1478 #include <utmp.h>
1479 #ifdef HAVE_PATHS_H
1480 #  include <paths.h>
1481 #endif
1482         ],
1483         [ char *utmp = UTMP_FILE; ],
1484         [ AC_MSG_RESULT(yes) ],
1485         [ AC_MSG_RESULT(no)
1486           system_utmp_path=no ]
1487 )
1488 if test -z "$conf_utmp_location"; then
1489         if test x"$system_utmp_path" = x"no" ; then
1490                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
1491                         if test -f $f ; then
1492                                 conf_utmp_location=$f
1493                         fi
1494                 done
1495                 if test -z "$conf_utmp_location"; then
1496                         AC_DEFINE(DISABLE_UTMP)
1497                 fi
1498         fi
1499 fi
1500 if test -n "$conf_utmp_location"; then
1501         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
1502 fi
1503
1504 dnl wtmp detection
1505 AC_MSG_CHECKING([if your system defines WTMP_FILE])
1506 AC_TRY_COMPILE([
1507 #include <sys/types.h>
1508 #include <utmp.h>
1509 #ifdef HAVE_PATHS_H
1510 #  include <paths.h>
1511 #endif
1512         ],
1513         [ char *wtmp = WTMP_FILE; ],
1514         [ AC_MSG_RESULT(yes) ],
1515         [ AC_MSG_RESULT(no)
1516           system_wtmp_path=no ]
1517 )
1518 if test -z "$conf_wtmp_location"; then
1519         if test x"$system_wtmp_path" = x"no" ; then
1520                 for f in /usr/adm/wtmp /var/log/wtmp; do
1521                         if test -f $f ; then
1522                                 conf_wtmp_location=$f
1523                         fi
1524                 done
1525                 if test -z "$conf_wtmp_location"; then
1526                         AC_DEFINE(DISABLE_WTMP)
1527                 fi
1528         fi
1529 fi
1530 if test -n "$conf_wtmp_location"; then
1531         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
1532 fi
1533
1534
1535 dnl utmpx detection - I don't know any system so perverse as to require
1536 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
1537 dnl  there, though.
1538 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
1539 AC_TRY_COMPILE([
1540 #include <sys/types.h>
1541 #include <utmp.h>
1542 #ifdef HAVE_UTMPX_H
1543 #include <utmpx.h>
1544 #endif
1545 #ifdef HAVE_PATHS_H
1546 #  include <paths.h>
1547 #endif
1548         ],
1549         [ char *utmpx = UTMPX_FILE; ],
1550         [ AC_MSG_RESULT(yes) ],
1551         [ AC_MSG_RESULT(no)
1552           system_utmpx_path=no ]
1553 )
1554 if test -z "$conf_utmpx_location"; then
1555         if test x"$system_utmpx_path" = x"no" ; then
1556                 AC_DEFINE(DISABLE_UTMPX)
1557         fi
1558 else
1559         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
1560 fi
1561
1562 dnl wtmpx detection
1563 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
1564 AC_TRY_COMPILE([
1565 #include <sys/types.h>
1566 #include <utmp.h>
1567 #ifdef HAVE_UTMPX_H
1568 #include <utmpx.h>
1569 #endif
1570 #ifdef HAVE_PATHS_H
1571 #  include <paths.h>
1572 #endif
1573         ],
1574         [ char *wtmpx = WTMPX_FILE; ],
1575         [ AC_MSG_RESULT(yes) ],
1576         [ AC_MSG_RESULT(no)
1577           system_wtmpx_path=no ]
1578 )
1579 if test -z "$conf_wtmpx_location"; then
1580         if test x"$system_wtmpx_path" = x"no" ; then
1581                 AC_DEFINE(DISABLE_WTMPX)
1582         fi
1583 else
1584         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
1585 fi
1586
1587
1588 # Change default command timeout for builtin PRNG
1589 entropy_timeout=200
1590 AC_ARG_WITH(entropy-timeout,
1591         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1592         [
1593                 if test "x$withval" != "xno" ; then
1594                         entropy_timeout=$withval
1595                 fi
1596         ]
1597 )
1598 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1599
1600
1601 if test ! -z "$blibpath" ; then
1602         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
1603         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
1604 fi
1605
1606 AC_EXEEXT
1607
1608 AC_OUTPUT(Makefile ssh_prng_cmds)
1609
1610 # Print summary of options
1611
1612 if test x$MANTYPE = x'$(CATMAN)' ; then
1613         MAN_MSG=cat
1614 else
1615         MAN_MSG=man
1616 fi
1617 if test ! -z "$RANDOM_POOL" ; then
1618         RAND_MSG="Device ($RANDOM_POOL)"
1619 else
1620         if test ! -z "$EGD_SOCKET" ; then
1621                 RAND_MSG="EGD ($EGD_SOCKET)"
1622         else
1623                 RAND_MSG="Builtin (timeout $entropy_timeout)"
1624                 BUILTIN_RNG=1
1625         fi
1626 fi
1627
1628 # Someone please show me a better way :)
1629 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
1630 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
1631 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
1632 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
1633 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
1634 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
1635 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
1636
1637 echo ""
1638 echo "OpenSSH configured has been configured with the following options."
1639 echo "                 User binaries: $B"
1640 echo "                 User binaries: $B"
1641 echo "               System binaries: $C"
1642 echo "           Configuration files: $D"
1643 echo "               Askpass program: $E"
1644 echo "                  Manual pages: $F"
1645 echo "                      PID file: $G"
1646 echo "      Random number collection: $RAND_MSG"
1647 echo "                Manpage format: $MAN_MSG"
1648 echo "                   PAM support: ${PAM_MSG}"
1649 echo "            KerberosIV support: $KRB4_MSG"
1650 echo "                   AFS support: $AFS_MSG"
1651 echo "                 S/KEY support: $SKEY_MSG"
1652 echo "          TCP Wrappers support: $TCPW_MSG"
1653 echo "          MD5 password support: $MD5_MSG"
1654 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
1655 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
1656 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
1657
1658 echo ""
1659
1660 echo "              Host: ${host}"
1661 echo "          Compiler: ${CC}"
1662 echo "    Compiler flags: ${CFLAGS}"
1663 echo "Preprocessor flags: ${CPPFLAGS}"
1664 echo "      Linker flags: ${LDFLAGS}"
1665 echo "         Libraries: ${LIBS}"
1666
1667 echo ""
1668
1669 if test "x$PAM_MSG" = "xyes" ; then
1670         echo "PAM is enabled. You may need to install a PAM control file for sshd,"
1671         echo "otherwise password authentication may fail. Example PAM control files"
1672         echo "can be found in the contrib/ subdirectory"
1673         echo ""
1674 fi
1675
1676 if test ! -z "$BUILTIN_RNG" ; then
1677         echo "WARNING: you are using the builtin random number collection service."
1678         echo "Please read WARNING.RNG and request that your OS vendor includes"
1679         echo "/dev/random in future versions of their OS."
1680         echo ""
1681 fi
1682
1683 if test ! -z "$NO_SFTP"; then
1684         echo "sftp-server will be disabled.  Your compiler does not support"
1685         echo "64bit integers."
1686         echo ""
1687 fi