configure.ac

   1 # $Id$
   2
   3 AC_INIT
   4 AC_CONFIG_SRCDIR([ssh.c])
   5
   6 AC_CONFIG_HEADER(config.h)
   7 AC_PROG_CC
   8 AC_CANONICAL_HOST
   9 AC_C_BIGENDIAN
  10
  11 # Checks for programs.
  12 AC_PROG_CPP
  13 AC_PROG_RANLIB
  14 AC_PROG_INSTALL
  15 AC_PATH_PROG(AR, ar)
  16 AC_PATH_PROGS(PERL, perl5 perl)
  17 AC_SUBST(PERL)
  18 AC_PATH_PROG(ENT, ent)
  19 AC_SUBST(ENT)
  20 AC_PATH_PROGS(FILEPRIV, filepriv, true, /sbin:/usr/sbin)
  21 AC_PATH_PROG(TEST_MINUS_S_SH, bash)
  22 AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
  23 AC_PATH_PROG(TEST_MINUS_S_SH, sh)
  24 AC_PATH_PROG(SH, sh)
  25
  26 # System features
  27 AC_SYS_LARGEFILE
  28
  29 if test -z "$AR" ; then
  30         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  31 fi
  32
  33 # Use LOGIN_PROGRAM from environment if possible
  34 if test ! -z "$LOGIN_PROGRAM" ; then
  35         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  36 else
  37         # Search for login
  38         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  39         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  40                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  41         fi
  42 fi
  43
  44 if test -z "$LD" ; then
  45         LD=$CC
  46 fi
  47 AC_SUBST(LD)
  48
  49 AC_C_INLINE
  50 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
  51         CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wno-uninitialized"
  52 fi
  53
  54 # Check for some target-specific stuff
  55 case "$host" in
  56 *-*-aix*)
  57         AFS_LIBS="-lld"
  58         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
  59         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  60         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  61                 AC_MSG_CHECKING([if linkage editor ($LD) accepts -blibpath])
  62                 saved_LDFLAGS="$LDFLAGS"
  63                 LDFLAGS="$LDFLAGS -blibpath:/usr/lib:/lib:/usr/local/lib"
  64                 AC_TRY_LINK([],
  65                         [],
  66                         [
  67                                 AC_MSG_RESULT(yes)
  68                                 blibpath="/usr/lib:/lib:/usr/local/lib"
  69                         ],
  70                         [ AC_MSG_RESULT(no) ]
  71                 )
  72                 LDFLAGS="$saved_LDFLAGS"
  73         fi
  74         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)],
  75                 [AC_CHECK_LIB(s,authenticate,
  76                         [ AC_DEFINE(WITH_AIXAUTHENTICATE)
  77                                 LIBS="$LIBS -ls"
  78                         ])
  79                 ])
  80         AC_DEFINE(BROKEN_GETADDRINFO)
  81         AC_DEFINE(BROKEN_REALPATH)
  82         dnl AIX handles lastlog as part of its login message
  83         AC_DEFINE(DISABLE_LASTLOG)
  84         AC_DEFINE(LOGIN_NEEDS_UTMPX)
  85         ;;
  86 *-*-cygwin*)
  87         LIBS="$LIBS /usr/lib/textmode.o"
  88         AC_DEFINE(HAVE_CYGWIN)
  89         AC_DEFINE(USE_PIPES)
  90         AC_DEFINE(DISABLE_SHADOW)
  91         AC_DEFINE(IPV4_DEFAULT)
  92         AC_DEFINE(IP_TOS_IS_BROKEN)
  93         AC_DEFINE(NO_X11_UNIX_SOCKETS)
  94         AC_DEFINE(NO_IPPORT_RESERVED_CONCEPT)
  95         AC_DEFINE(DISABLE_FD_PASSING)
  96         AC_DEFINE(SETGROUPS_NOOP)
  97         ;;
  98 *-*-dgux*)
  99         AC_DEFINE(IP_TOS_IS_BROKEN)
 100         ;;
 101 *-*-darwin*)
 102         AC_DEFINE(BROKEN_GETADDRINFO)
 103         ;;
 104 *-*-hpux10.26)
 105         if test -z "$GCC"; then
 106                 CFLAGS="$CFLAGS -Ae"
 107         fi
 108         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 109         IPADDR_IN_DISPLAY=yes
 110         AC_DEFINE(HAVE_SECUREWARE)
 111         AC_DEFINE(USE_PIPES)
 112         AC_DEFINE(LOGIN_NO_ENDOPT)
 113         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 114         AC_DEFINE(DISABLE_SHADOW)
 115         AC_DEFINE(DISABLE_UTMP)
 116         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 117         LIBS="$LIBS -lxnet -lsec -lsecpw"
 118         disable_ptmx_check=yes
 119         ;;
 120 *-*-hpux10*)
 121         if test -z "$GCC"; then
 122                 CFLAGS="$CFLAGS -Ae"
 123         fi
 124         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 125         IPADDR_IN_DISPLAY=yes
 126         AC_DEFINE(USE_PIPES)
 127         AC_DEFINE(LOGIN_NO_ENDOPT)
 128         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 129         AC_DEFINE(DISABLE_SHADOW)
 130         AC_DEFINE(DISABLE_UTMP)
 131         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 132         LIBS="$LIBS -lxnet -lsec"
 133         ;;
 134 *-*-hpux11*)
 135         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 136         IPADDR_IN_DISPLAY=yes
 137         AC_DEFINE(PAM_SUN_CODEBASE)
 138         AC_DEFINE(USE_PIPES)
 139         AC_DEFINE(LOGIN_NO_ENDOPT)
 140         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 141         AC_DEFINE(DISABLE_SHADOW)
 142         AC_DEFINE(DISABLE_UTMP)
 143         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 144         LIBS="$LIBS -lxnet -lsec"
 145         ;;
 146 *-*-irix5*)
 147         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 148         LDFLAGS="$LDFLAGS"
 149         PATH="$PATH:/usr/etc"
 150         AC_DEFINE(BROKEN_INET_NTOA)
 151         AC_DEFINE(WITH_ABBREV_NO_TTY)
 152         ;;
 153 *-*-irix6*)
 154         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 155         LDFLAGS="$LDFLAGS"
 156         PATH="$PATH:/usr/etc"
 157         AC_DEFINE(WITH_IRIX_ARRAY)
 158         AC_DEFINE(WITH_IRIX_PROJECT)
 159         AC_DEFINE(WITH_IRIX_AUDIT)
 160         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 161         AC_DEFINE(BROKEN_INET_NTOA)
 162         AC_DEFINE(WITH_ABBREV_NO_TTY)
 163         ;;
 164 *-*-linux*)
 165         no_dev_ptmx=1
 166         check_for_libcrypt_later=1
 167         AC_DEFINE(DONT_TRY_OTHER_AF)
 168         AC_DEFINE(PAM_TTY_KLUDGE)
 169         inet6_default_4in6=yes
 170         ;;
 171 mips-sony-bsd|mips-sony-newsos4)
 172         AC_DEFINE(HAVE_NEWS4)
 173         SONY=1
 174         ;;
 175 *-*-netbsd*)
 176         need_dash_r=1
 177         ;;
 178 *-*-freebsd*)
 179         check_for_libcrypt_later=1
 180         ;;
 181 *-next-*)
 182         conf_lastlog_location="/usr/adm/lastlog"
 183         conf_utmp_location=/etc/utmp
 184         conf_wtmp_location=/usr/adm/wtmp
 185         MAIL=/usr/spool/mail
 186         AC_DEFINE(HAVE_NEXT)
 187         AC_DEFINE(BROKEN_REALPATH)
 188         AC_DEFINE(USE_PIPES)
 189         AC_DEFINE(BROKEN_SAVED_UIDS)
 190         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 191         CFLAGS="$CFLAGS"
 192         ;;
 193 *-*-solaris*)
 194         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 195         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 196         need_dash_r=1
 197         AC_DEFINE(PAM_SUN_CODEBASE)
 198         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 199         AC_DEFINE(LOGIN_NEEDS_TERM)
 200         AC_DEFINE(PAM_TTY_KLUDGE)
 201         # hardwire lastlog location (can't detect it on some versions)
 202         conf_lastlog_location="/var/adm/lastlog"
 203         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 204         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 205         if test "$sol2ver" -ge 8; then
 206                 AC_MSG_RESULT(yes)
 207                 AC_DEFINE(DISABLE_UTMP)
 208                 AC_DEFINE(DISABLE_WTMP)
 209         else
 210                 AC_MSG_RESULT(no)
 211         fi
 212         ;;
 213 *-*-sunos4*)
 214         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 215         AC_CHECK_FUNCS(getpwanam)
 216         AC_DEFINE(PAM_SUN_CODEBASE)
 217         conf_utmp_location=/etc/utmp
 218         conf_wtmp_location=/var/adm/wtmp
 219         conf_lastlog_location=/var/adm/lastlog
 220         AC_DEFINE(USE_PIPES)
 221         ;;
 222 *-ncr-sysv*)
 223         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 224         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 225         LIBS="$LIBS -lc89"
 226         AC_DEFINE(USE_PIPES)
 227         ;;
 228 *-sni-sysv*)
 229         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 230         # /usr/ucblib MUST NOT be searched on ReliantUNIX
 231         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 232         IPADDR_IN_DISPLAY=yes
 233         AC_DEFINE(USE_PIPES)
 234         AC_DEFINE(IP_TOS_IS_BROKEN)
 235         # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
 236         # Attention: always take care to bind libsocket and libnsl before libc,
 237         # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
 238         ;;
 239 *-*-sysv4.2*)
 240         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 241         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 242         AC_DEFINE(USE_PIPES)
 243         ;;
 244 *-*-sysv5*)
 245         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 246         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 247         AC_DEFINE(USE_PIPES)
 248         ;;
 249 *-*-sysv*)
 250         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 251         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 252         ;;
 253 *-*-sco3.2v4*)
 254         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 255         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 256         LIBS="$LIBS -los -lprot -lx -ltinfo -lm"
 257         RANLIB=true
 258         no_dev_ptmx=1
 259         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 260         AC_DEFINE(USE_PIPES)
 261         AC_DEFINE(HAVE_SECUREWARE)
 262         AC_DEFINE(DISABLE_SHADOW)
 263         AC_DEFINE(BROKEN_SAVED_UIDS)
 264         AC_CHECK_FUNCS(getluid setluid)
 265         MANTYPE=man
 266         do_sco3_extra_lib_check=yes
 267         ;;
 268 *-*-sco3.2v5*)
 269         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 270         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 271         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 272         no_dev_ptmx=1
 273         AC_DEFINE(USE_PIPES)
 274         AC_DEFINE(HAVE_SECUREWARE)
 275         AC_DEFINE(DISABLE_SHADOW)
 276         AC_DEFINE(DISABLE_FD_PASSING)
 277         AC_CHECK_FUNCS(getluid setluid)
 278         MANTYPE=man
 279         ;;
 280 *-*-unicos*)
 281         no_libsocket=1
 282         no_libnsl=1
 283         AC_DEFINE(USE_PIPES)
 284         AC_DEFINE(DISABLE_FD_PASSING)
 285         LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal,-L/usr/local/lib"
 286         LIBS="$LIBS -lgen -lrsc"
 287         ;;
 288 *-dec-osf*)
 289         AC_MSG_CHECKING(for Digital Unix SIA)
 290         no_osfsia=""
 291         AC_ARG_WITH(osfsia,
 292                 [  --with-osfsia           Enable Digital Unix SIA],
 293                 [
 294                         if test "x$withval" = "xno" ; then
 295                                 AC_MSG_RESULT(disabled)
 296                                 no_osfsia=1
 297                         fi
 298                 ],
 299         )
 300         if test -z "$no_osfsia" ; then
 301                 if test -f /etc/sia/matrix.conf; then
 302                         AC_MSG_RESULT(yes)
 303                         AC_DEFINE(HAVE_OSF_SIA)
 304                         AC_DEFINE(DISABLE_LOGIN)
 305                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 306                 else
 307                         AC_MSG_RESULT(no)
 308                 fi
 309         fi
 310         ;;
 311
 312 *-*-nto-qnx)
 313         AC_DEFINE(USE_PIPES)
 314         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 315         AC_DEFINE(MISSING_NFDBITS)
 316         AC_DEFINE(MISSING_HOWMANY)
 317         AC_DEFINE(MISSING_FD_MASK)
 318         ;;
 319 esac
 320
 321 # Allow user to specify flags
 322 AC_ARG_WITH(cflags,
 323         [  --with-cflags           Specify additional flags to pass to compiler],
 324         [
 325                 if test "x$withval" != "xno" ; then
 326                         CFLAGS="$CFLAGS $withval"
 327                 fi
 328         ]
 329 )
 330 AC_ARG_WITH(cppflags,
 331         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 332         [
 333                 if test "x$withval" != "xno"; then
 334                         CPPFLAGS="$CPPFLAGS $withval"
 335                 fi
 336         ]
 337 )
 338 AC_ARG_WITH(ldflags,
 339         [  --with-ldflags          Specify additional flags to pass to linker],
 340         [
 341                 if test "x$withval" != "xno" ; then
 342                         LDFLAGS="$LDFLAGS $withval"
 343                 fi
 344         ]
 345 )
 346 AC_ARG_WITH(libs,
 347         [  --with-libs             Specify additional libraries to link with],
 348         [
 349                 if test "x$withval" != "xno" ; then
 350                         LIBS="$LIBS $withval"
 351                 fi
 352         ]
 353 )
 354
 355 # Checks for header files.
 356 AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \
 357         getopt.h glob.h lastlog.h limits.h login.h \
 358         login_cap.h maillock.h netdb.h netgroup.h \
 359         netinet/in_systm.h paths.h pty.h readpassphrase.h \
 360         rpc/types.h security/pam_appl.h shadow.h stddef.h stdint.h \
 361         strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
 362         sys/mman.h sys/select.h sys/stat.h \
 363         sys/stropts.h sys/sysmacros.h sys/time.h \
 364         sys/un.h time.h ttyent.h usersec.h \
 365         util.h utime.h utmp.h utmpx.h)
 366
 367 # Checks for libraries.
 368 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
 369 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
 370
 371 dnl SCO OS3 needs this for libwrap
 372 if test "x$with_tcp_wrappers" != "xno" ; then
 373     if test "x$do_sco3_extra_lib_check" = "xyes" ; then
 374         AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 375     fi
 376 fi
 377
 378 AC_CHECK_FUNC(getspnam, ,
 379         AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
 380
 381 AC_ARG_WITH(rpath,
 382         [  --without-rpath         Disable auto-added -R linker paths],
 383         [
 384                 if test "x$withval" = "xno" ; then
 385                         need_dash_r=""
 386                 fi
 387                 if test "x$withval" = "xyes" ; then
 388                         need_dash_r=1
 389                 fi
 390         ]
 391 )
 392
 393 dnl zlib is required
 394 AC_ARG_WITH(zlib,
 395         [  --with-zlib=PATH        Use zlib in PATH],
 396         [
 397                 if test "x$withval" = "xno" ; then
 398                         AC_MSG_ERROR([*** zlib is required ***])
 399                 fi
 400                 if test -d "$withval/lib"; then
 401                         if test -n "${need_dash_r}"; then
 402                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 403                         else
 404                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 405                         fi
 406                 else
 407                         if test -n "${need_dash_r}"; then
 408                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 409                         else
 410                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 411                         fi
 412                 fi
 413                 if test -d "$withval/include"; then
 414                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 415                 else
 416                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 417                 fi
 418         ]
 419 )
 420
 421 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 422
 423 dnl UnixWare 2.x
 424 AC_CHECK_FUNC(strcasecmp,
 425         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 426 )
 427 AC_CHECK_FUNC(utimes,
 428         [], [ AC_CHECK_LIB(c89, utimes, [AC_DEFINE(HAVE_UTIMES)
 429                                         LIBS="$LIBS -lc89"]) ]
 430 )
 431
 432 dnl    Checks for libutil functions
 433 AC_CHECK_HEADERS(libutil.h)
 434 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN)])
 435 AC_CHECK_FUNCS(logout updwtmp logwtmp)
 436
 437 AC_FUNC_STRFTIME
 438
 439 # Check for ALTDIRFUNC glob() extension
 440 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 441 AC_EGREP_CPP(FOUNDIT,
 442         [
 443                 #include <glob.h>
 444                 #ifdef GLOB_ALTDIRFUNC
 445                 FOUNDIT
 446                 #endif
 447         ],
 448         [
 449                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 450                 AC_MSG_RESULT(yes)
 451         ],
 452         [
 453                 AC_MSG_RESULT(no)
 454         ]
 455 )
 456
 457 # Check for g.gl_matchc glob() extension
 458 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 459 AC_EGREP_CPP(FOUNDIT,
 460         [
 461                 #include <glob.h>
 462                 int main(void){glob_t g; g.gl_matchc = 1;}
 463         ],
 464         [
 465                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 466                 AC_MSG_RESULT(yes)
 467         ],
 468         [
 469                 AC_MSG_RESULT(no)
 470         ]
 471 )
 472
 473 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 474 AC_TRY_RUN(
 475         [
 476 #include <sys/types.h>
 477 #include <dirent.h>
 478 int main(void){struct dirent d;return(sizeof(d.d_name)<=sizeof(char));}
 479         ],
 480         [AC_MSG_RESULT(yes)],
 481         [
 482                 AC_MSG_RESULT(no)
 483                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 484         ]
 485 )
 486
 487 # Check whether user wants S/Key support
 488 SKEY_MSG="no"
 489 AC_ARG_WITH(skey,
 490         [  --with-skey[[=PATH]]      Enable S/Key support
 491                             (optionally in PATH)],
 492         [
 493                 if test "x$withval" != "xno" ; then
 494
 495                         if test "x$withval" != "xyes" ; then
 496                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 497                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 498                         fi
 499
 500                         AC_DEFINE(SKEY)
 501                         LIBS="-lskey $LIBS"
 502                         SKEY_MSG="yes"
 503
 504                         AC_MSG_CHECKING([for s/key support])
 505                         AC_TRY_RUN(
 506                                 [
 507 #include <stdio.h>
 508 #include <skey.h>
 509 int main() { char *ff = skey_keyinfo(""); ff=""; return 0; }
 510                                 ],
 511                                 [AC_MSG_RESULT(yes)],
 512                                 [
 513                                         AC_MSG_RESULT(no)
 514                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 515                                 ])
 516                 fi
 517         ]
 518 )
 519
 520 # Check whether user wants TCP wrappers support
 521 TCPW_MSG="no"
 522 AC_ARG_WITH(tcp-wrappers,
 523         [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
 524                             (optionally in PATH)],
 525         [
 526                 if test "x$withval" != "xno" ; then
 527                         saved_LIBS="$LIBS"
 528                         saved_LDFLAGS="$LDFLAGS"
 529                         saved_CPPFLAGS="$CPPFLAGS"
 530                         if test -n "${withval}" -a "${withval}" != "yes"; then
 531                                 if test -d "${withval}/lib"; then
 532                                         if test -n "${need_dash_r}"; then
 533                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 534                                         else
 535                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 536                                         fi
 537                                 else
 538                                         if test -n "${need_dash_r}"; then
 539                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 540                                         else
 541                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 542                                         fi
 543                                 fi
 544                                 if test -d "${withval}/include"; then
 545                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 546                                 else
 547                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 548                                 fi
 549                         fi
 550                         LIBWRAP="-lwrap"
 551                         LIBS="$LIBWRAP $LIBS"
 552                         AC_MSG_CHECKING(for libwrap)
 553                         AC_TRY_LINK(
 554                                 [
 555 #include <tcpd.h>
 556                                         int deny_severity = 0, allow_severity = 0;
 557                                 ],
 558                                 [hosts_access(0);],
 559                                 [
 560                                         AC_MSG_RESULT(yes)
 561                                         AC_DEFINE(LIBWRAP)
 562                                         AC_SUBST(LIBWRAP)
 563                                         TCPW_MSG="yes"
 564                                 ],
 565                                 [
 566                                         AC_MSG_ERROR([*** libwrap missing])
 567                                 ]
 568                         )
 569                         LIBS="$saved_LIBS"
 570                 fi
 571         ]
 572 )
 573
 574 dnl    Checks for library functions.
 575 AC_CHECK_FUNCS(arc4random b64_ntop bcopy bindresvport_sa \
 576         clock fchmod fchown freeaddrinfo futimes gai_strerror \
 577         getaddrinfo getcwd getgrouplist getnameinfo getopt \
 578         getrlimit getrusage getttyent glob inet_aton inet_ntoa \
 579         inet_ntop innetgr login_getcapbool md5_crypt memmove \
 580         mkdtemp mmap ngetaddrinfo openpty ogetaddrinfo readpassphrase \
 581         realpath recvmsg rresvport_af sendmsg setdtablesize setegid \
 582         setenv seteuid setgroups setlogin setproctitle setresgid setreuid \
 583         setrlimit setsid setpcred setvbuf sigaction sigvec snprintf \
 584         socketpair strerror strlcat strlcpy strmode strsep sysconf tcgetpgrp \
 585         truncate utimes vhangup vsnprintf waitpid __b64_ntop _getpty)
 586
 587 if test $ac_cv_func_mmap = yes ; then
 588 AC_MSG_CHECKING([for mmap anon shared])
 589 AC_TRY_RUN(
 590         [
 591 #include <stdio.h>
 592 #include <sys/types.h>
 593 #include <sys/mman.h>
 594 #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
 595 #define MAP_ANON MAP_ANONYMOUS
 596 #endif
 597 main() { char *p;
 598 p = (char *) mmap(NULL, 10, PROT_WRITE|PROT_READ, MAP_ANON|MAP_SHARED, -1, 0);
 599 if (p == (char *)-1)
 600         exit(1);
 601 exit(0);
 602 }
 603         ],
 604         [
 605                 AC_MSG_RESULT(yes)
 606                 AC_DEFINE(HAVE_MMAP_ANON_SHARED)
 607         ],
 608         [ AC_MSG_RESULT(no) ]
 609 )
 610 fi
 611
 612 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 613 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 614         AC_CHECK_LIB(gen, dirname,[
 615                 AC_CACHE_CHECK([for broken dirname],
 616                         ac_cv_have_broken_dirname, [
 617                         save_LIBS="$LIBS"
 618                         LIBS="$LIBS -lgen"
 619                         AC_TRY_RUN(
 620                                 [
 621 #include <libgen.h>
 622 #include <string.h>
 623
 624 int main(int argc, char **argv) {
 625     char *s, buf[32];
 626
 627     strncpy(buf,"/etc", 32);
 628     s = dirname(buf);
 629     if (!s || strncmp(s, "/", 32) != 0) {
 630         exit(1);
 631     } else {
 632         exit(0);
 633     }
 634 }
 635                                 ],
 636                                 [ ac_cv_have_broken_dirname="no" ],
 637                                 [ ac_cv_have_broken_dirname="yes" ]
 638                         )
 639                         LIBS="$save_LIBS"
 640                 ])
 641                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 642                         LIBS="$LIBS -lgen"
 643                         AC_DEFINE(HAVE_DIRNAME)
 644                         AC_CHECK_HEADERS(libgen.h)
 645                 fi
 646         ])
 647 ])
 648
 649 dnl    Checks for time functions
 650 AC_CHECK_FUNCS(gettimeofday time)
 651 dnl    Checks for utmp functions
 652 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 653 AC_CHECK_FUNCS(utmpname)
 654 dnl    Checks for utmpx functions
 655 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 656 AC_CHECK_FUNCS(setutxent utmpxname)
 657
 658 AC_CHECK_FUNC(daemon,
 659         [AC_DEFINE(HAVE_DAEMON)],
 660         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 661 )
 662
 663 AC_CHECK_FUNC(getpagesize,
 664         [AC_DEFINE(HAVE_GETPAGESIZE)],
 665         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 666 )
 667
 668 # Check for broken snprintf
 669 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 670         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 671         AC_TRY_RUN(
 672                 [
 673 #include <stdio.h>
 674 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 675                 ],
 676                 [AC_MSG_RESULT(yes)],
 677                 [
 678                         AC_MSG_RESULT(no)
 679                         AC_DEFINE(BROKEN_SNPRINTF)
 680                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 681                 ]
 682         )
 683 fi
 684
 685 AC_FUNC_GETPGRP
 686
 687 # Check for PAM libs
 688 PAM_MSG="no"
 689 AC_ARG_WITH(pam,
 690         [  --with-pam              Enable PAM support ],
 691         [
 692                 if test "x$withval" != "xno" ; then
 693                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 694                                 AC_MSG_ERROR([PAM headers not found])
 695                         fi
 696
 697                         AC_CHECK_LIB(dl, dlopen, , )
 698                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 699                         AC_CHECK_FUNCS(pam_getenvlist)
 700
 701                         disable_shadow=yes
 702                         PAM_MSG="yes"
 703
 704                         AC_DEFINE(USE_PAM)
 705                         if test $ac_cv_lib_dl_dlopen = yes; then
 706                                 LIBPAM="-lpam -ldl"
 707                         else
 708                                 LIBPAM="-lpam"
 709                         fi
 710                         AC_SUBST(LIBPAM)
 711                 fi
 712         ]
 713 )
 714
 715 # Check for older PAM
 716 if test "x$PAM_MSG" = "xyes" ; then
 717         # Check PAM strerror arguments (old PAM)
 718         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 719         AC_TRY_COMPILE(
 720                 [
 721 #include <stdlib.h>
 722 #include <security/pam_appl.h>
 723                 ],
 724                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 725                 [AC_MSG_RESULT(no)],
 726                 [
 727                         AC_DEFINE(HAVE_OLD_PAM)
 728                         AC_MSG_RESULT(yes)
 729                         PAM_MSG="yes (old library)"
 730                 ]
 731         )
 732 fi
 733
 734 # Search for OpenSSL
 735 saved_CPPFLAGS="$CPPFLAGS"
 736 saved_LDFLAGS="$LDFLAGS"
 737 AC_ARG_WITH(ssl-dir,
 738         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 739         [
 740                 if test "x$withval" != "xno" ; then
 741                         if test -d "$withval/lib"; then
 742                                 if test -n "${need_dash_r}"; then
 743                                         LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 744                                 else
 745                                         LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 746                                 fi
 747                         else
 748                                 if test -n "${need_dash_r}"; then
 749                                         LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 750                                 else
 751                                         LDFLAGS="-L${withval} ${LDFLAGS}"
 752                                 fi
 753                         fi
 754                         if test -d "$withval/include"; then
 755                                 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 756                         else
 757                                 CPPFLAGS="-I${withval} ${CPPFLAGS}"
 758                         fi
 759                 fi
 760         ]
 761 )
 762 LIBS="$LIBS -lcrypto"
 763 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 764         [
 765                 dnl Check default openssl install dir
 766                 if test -n "${need_dash_r}"; then
 767                         LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
 768                 else
 769                         LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
 770                 fi
 771                 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
 772                 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 773                         [
 774                                 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
 775                         ]
 776                 )
 777         ]
 778 )
 779
 780
 781 # Sanity check OpenSSL headers
 782 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
 783 AC_TRY_RUN(
 784         [
 785 #include <string.h>
 786 #include <openssl/opensslv.h>
 787 int main(void) { return(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
 788         ],
 789         [
 790                 AC_MSG_RESULT(yes)
 791         ],
 792         [
 793                 AC_MSG_RESULT(no)
 794                 AC_MSG_ERROR(Your OpenSSL headers do not match your library)
 795         ]
 796 )
 797
 798 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 799 # version in OpenSSL. Skip this for PAM
 800 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 801         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 802 fi
 803
 804
 805 ### Configure cryptographic random number support
 806
 807 # Check wheter OpenSSL seeds itself
 808 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
 809 AC_TRY_RUN(
 810         [
 811 #include <string.h>
 812 #include <openssl/rand.h>
 813 int main(void) { return(RAND_status() == 1 ? 0 : 1); }
 814         ],
 815         [
 816                 OPENSSL_SEEDS_ITSELF=yes
 817                 AC_MSG_RESULT(yes)
 818         ],
 819         [
 820                 AC_MSG_RESULT(no)
 821                 # Default to use of the rand helper if OpenSSL doesn't
 822                 # seed itself
 823                 USE_RAND_HELPER=yes
 824         ]
 825 )
 826
 827
 828 # Do we want to force the use of the rand helper?
 829 AC_ARG_WITH(rand-helper,
 830         [  --with-rand-helper      Use subprocess to gather strong randomness ],
 831         [
 832                 if test "x$withval" = "xno" ; then
 833                         # Force use of OpenSSL's internal RNG, even if
 834                         # the previous test showed it to be unseeded.
 835                         if test -z "$OPENSSL_SEEDS_ITSELF" ; then
 836                                 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
 837                                 OPENSSL_SEEDS_ITSELF=yes
 838                                 USE_RAND_HELPER=""
 839                         fi
 840                 else
 841                         USE_RAND_HELPER=yes
 842                 fi
 843         ],
 844 )
 845
 846 # Which randomness source do we use?
 847 if test ! -z "$OPENSSL_SEEDS_ITSELF" -a -z "$USE_RAND_HELPER" ; then
 848         # OpenSSL only
 849         AC_DEFINE(OPENSSL_PRNG_ONLY)
 850         RAND_MSG="OpenSSL internal ONLY"
 851         INSTALL_SSH_RAND_HELPER=""
 852 elif test ! -z "$USE_RAND_HELPER" ; then
 853         # install rand helper
 854         RAND_MSG="ssh-rand-helper"
 855         INSTALL_SSH_RAND_HELPER="yes"
 856 fi
 857 AC_SUBST(INSTALL_SSH_RAND_HELPER)
 858
 859 ### Configuration of ssh-rand-helper
 860
 861 # PRNGD TCP socket
 862 AC_ARG_WITH(prngd-port,
 863         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD TCP localhost:PORT],
 864         [
 865                 case "$withval" in
 866                 no)
 867                         withval=""
 868                         ;;
 869                 [[0-9]]*)
 870                         ;;
 871                 *)
 872                         AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
 873                         ;;
 874                 esac
 875                 if test ! -z "$withval" ; then
 876                         PRNGD_PORT="$withval"
 877                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
 878                 fi
 879         ]
 880 )
 881
 882 # PRNGD Unix domain socket
 883 AC_ARG_WITH(prngd-socket,
 884         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
 885         [
 886                 case "$withval" in
 887                 yes)
 888                         withval="/var/run/egd-pool"
 889                         ;;
 890                 no)
 891                         withval=""
 892                         ;;
 893                 /*)
 894                         ;;
 895                 *)
 896                         AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
 897                         ;;
 898                 esac
 899
 900                 if test ! -z "$withval" ; then
 901                         if test ! -z "$PRNGD_PORT" ; then
 902                                 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
 903                         fi
 904                         if test ! -r "$withval" ; then
 905                                 AC_MSG_WARN(Entropy socket is not readable)
 906                         fi
 907                         PRNGD_SOCKET="$withval"
 908                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
 909                 fi
 910         ],
 911         [
 912                 # Check for existing socket only if we don't have a random device already
 913                 if test "$USE_RAND_HELPER" = yes ; then
 914                         AC_MSG_CHECKING(for PRNGD/EGD socket)
 915                         # Insert other locations here
 916                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
 917                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
 918                                         PRNGD_SOCKET="$sock"
 919                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
 920                                         break;
 921                                 fi
 922                         done
 923                         if test ! -z "$PRNGD_SOCKET" ; then
 924                                 AC_MSG_RESULT($PRNGD_SOCKET)
 925                         else
 926                                 AC_MSG_RESULT(not found)
 927                         fi
 928                 fi
 929         ]
 930 )
 931
 932 # Change default command timeout for hashing entropy source
 933 entropy_timeout=200
 934 AC_ARG_WITH(entropy-timeout,
 935         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
 936         [
 937                 if test "x$withval" != "xno" ; then
 938                         entropy_timeout=$withval
 939                 fi
 940         ]
 941 )
 942 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
 943
 944 SSH_PRIVSEP_USER=sshd
 945 AC_ARG_WITH(privsep-user,
 946         [  --with-privsep-user=user Specify non-privileged user for privilege separation],
 947         [
 948                 if test -n "$withval"; then
 949                         SSH_PRIVSEP_USER=$withval
 950                 fi
 951         ]
 952 )
 953 AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$SSH_PRIVSEP_USER")
 954 AC_SUBST(SSH_PRIVSEP_USER)
 955
 956 # We do this little dance with the search path to insure
 957 # that programs that we select for use by installed programs
 958 # (which may be run by the super-user) come from trusted
 959 # locations before they come from the user's private area.
 960 # This should help avoid accidentally configuring some
 961 # random version of a program in someone's personal bin.
 962
 963 OPATH=$PATH
 964 PATH=/bin:/usr/bin
 965 test -h /bin 2> /dev/null && PATH=/usr/bin
 966 test -d /sbin && PATH=$PATH:/sbin
 967 test -d /usr/sbin && PATH=$PATH:/usr/sbin
 968 PATH=$PATH:/etc:$OPATH
 969
 970 # These programs are used by the command hashing source to gather entropy
 971 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
 972 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
 973 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
 974 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
 975 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
 976 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
 977 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
 978 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
 979 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
 980 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
 981 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
 982 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
 983 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
 984 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
 985 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
 986 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
 987 # restore PATH
 988 PATH=$OPATH
 989
 990 # Where does ssh-rand-helper get its randomness from?
 991 INSTALL_SSH_PRNG_CMDS=""
 992 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
 993         if test ! -z "$PRNGD_PORT" ; then
 994                 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
 995         elif test ! -z "$PRNGD_SOCKET" ; then
 996                 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
 997         else
 998                 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
 999                 RAND_HELPER_CMDHASH=yes
1000                 INSTALL_SSH_PRNG_CMDS="yes"
1001         fi
1002 fi
1003 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1004
1005
1006 # Cheap hack to ensure NEWS-OS libraries are arranged right.
1007 if test ! -z "$SONY" ; then
1008   LIBS="$LIBS -liberty";
1009 fi
1010
1011 # Checks for data types
1012 AC_CHECK_SIZEOF(char, 1)
1013 AC_CHECK_SIZEOF(short int, 2)
1014 AC_CHECK_SIZEOF(int, 4)
1015 AC_CHECK_SIZEOF(long int, 4)
1016 AC_CHECK_SIZEOF(long long int, 8)
1017
1018 # Sanity check long long for some platforms (AIX)
1019 if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
1020         ac_cv_sizeof_long_long_int=0
1021 fi
1022
1023 # More checks for data types
1024 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
1025         AC_TRY_COMPILE(
1026                 [ #include <sys/types.h> ],
1027                 [ u_int a; a = 1;],
1028                 [ ac_cv_have_u_int="yes" ],
1029                 [ ac_cv_have_u_int="no" ]
1030         )
1031 ])
1032 if test "x$ac_cv_have_u_int" = "xyes" ; then
1033         AC_DEFINE(HAVE_U_INT)
1034         have_u_int=1
1035 fi
1036
1037 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
1038         AC_TRY_COMPILE(
1039                 [ #include <sys/types.h> ],
1040                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1041                 [ ac_cv_have_intxx_t="yes" ],
1042                 [ ac_cv_have_intxx_t="no" ]
1043         )
1044 ])
1045 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
1046         AC_DEFINE(HAVE_INTXX_T)
1047         have_intxx_t=1
1048 fi
1049
1050 if (test -z "$have_intxx_t" && \
1051            test "x$ac_cv_header_stdint_h" = "xyes")
1052 then
1053     AC_MSG_CHECKING([for intXX_t types in stdint.h])
1054         AC_TRY_COMPILE(
1055                 [ #include <stdint.h> ],
1056                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1057                 [
1058                         AC_DEFINE(HAVE_INTXX_T)
1059                         AC_MSG_RESULT(yes)
1060                 ],
1061                 [ AC_MSG_RESULT(no) ]
1062         )
1063 fi
1064
1065 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
1066         AC_TRY_COMPILE(
1067                 [ #include <sys/types.h> ],
1068                 [ int64_t a; a = 1;],
1069                 [ ac_cv_have_int64_t="yes" ],
1070                 [ ac_cv_have_int64_t="no" ]
1071         )
1072 ])
1073 if test "x$ac_cv_have_int64_t" = "xyes" ; then
1074         AC_DEFINE(HAVE_INT64_T)
1075         have_int64_t=1
1076 fi
1077
1078 if test -z "$have_int64_t" ; then
1079     AC_MSG_CHECKING([for int64_t type in sys/socket.h])
1080         AC_TRY_COMPILE(
1081                 [ #include <sys/socket.h> ],
1082                 [ int64_t a; a = 1],
1083                 [
1084                         AC_DEFINE(HAVE_INT64_T)
1085                         AC_MSG_RESULT(yes)
1086                 ],
1087                 [ AC_MSG_RESULT(no) ]
1088         )
1089 fi
1090
1091 if test -z "$have_int64_t" ; then
1092     AC_MSG_CHECKING([for int64_t type in sys/bitypes.h])
1093         AC_TRY_COMPILE(
1094                 [ #include <sys/bitypes.h> ],
1095                 [ int64_t a; a = 1],
1096                 [
1097                         AC_DEFINE(HAVE_INT64_T)
1098                         AC_MSG_RESULT(yes)
1099                 ],
1100                 [ AC_MSG_RESULT(no) ]
1101         )
1102 fi
1103
1104 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
1105         AC_TRY_COMPILE(
1106                 [ #include <sys/types.h> ],
1107                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1108                 [ ac_cv_have_u_intxx_t="yes" ],
1109                 [ ac_cv_have_u_intxx_t="no" ]
1110         )
1111 ])
1112 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
1113         AC_DEFINE(HAVE_U_INTXX_T)
1114         have_u_intxx_t=1
1115 fi
1116
1117 if test -z "$have_u_intxx_t" ; then
1118     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
1119         AC_TRY_COMPILE(
1120                 [ #include <sys/socket.h> ],
1121                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1122                 [
1123                         AC_DEFINE(HAVE_U_INTXX_T)
1124                         AC_MSG_RESULT(yes)
1125                 ],
1126                 [ AC_MSG_RESULT(no) ]
1127         )
1128 fi
1129
1130 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
1131         AC_TRY_COMPILE(
1132                 [ #include <sys/types.h> ],
1133                 [ u_int64_t a; a = 1;],
1134                 [ ac_cv_have_u_int64_t="yes" ],
1135                 [ ac_cv_have_u_int64_t="no" ]
1136         )
1137 ])
1138 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
1139         AC_DEFINE(HAVE_U_INT64_T)
1140         have_u_int64_t=1
1141 fi
1142
1143 if test -z "$have_u_int64_t" ; then
1144     AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
1145         AC_TRY_COMPILE(
1146                 [ #include <sys/bitypes.h> ],
1147                 [ u_int64_t a; a = 1],
1148                 [
1149                         AC_DEFINE(HAVE_U_INT64_T)
1150                         AC_MSG_RESULT(yes)
1151                 ],
1152                 [ AC_MSG_RESULT(no) ]
1153         )
1154 fi
1155
1156 if test -z "$have_u_intxx_t" ; then
1157         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
1158                 AC_TRY_COMPILE(
1159                         [
1160 #include <sys/types.h>
1161                         ],
1162                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
1163                         [ ac_cv_have_uintxx_t="yes" ],
1164                         [ ac_cv_have_uintxx_t="no" ]
1165                 )
1166         ])
1167         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
1168                 AC_DEFINE(HAVE_UINTXX_T)
1169         fi
1170 fi
1171
1172 if test -z "$have_uintxx_t" ; then
1173     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
1174         AC_TRY_COMPILE(
1175                 [ #include <stdint.h> ],
1176                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
1177                 [
1178                         AC_DEFINE(HAVE_UINTXX_T)
1179                         AC_MSG_RESULT(yes)
1180                 ],
1181                 [ AC_MSG_RESULT(no) ]
1182         )
1183 fi
1184
1185 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
1186            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
1187 then
1188         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
1189         AC_TRY_COMPILE(
1190                 [
1191 #include <sys/bitypes.h>
1192                 ],
1193                 [
1194                         int8_t a; int16_t b; int32_t c;
1195                         u_int8_t e; u_int16_t f; u_int32_t g;
1196                         a = b = c = e = f = g = 1;
1197                 ],
1198                 [
1199                         AC_DEFINE(HAVE_U_INTXX_T)
1200                         AC_DEFINE(HAVE_INTXX_T)
1201                         AC_MSG_RESULT(yes)
1202                 ],
1203                 [AC_MSG_RESULT(no)]
1204         )
1205 fi
1206
1207
1208 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
1209         AC_TRY_COMPILE(
1210                 [
1211 #include <sys/types.h>
1212                 ],
1213                 [ u_char foo; foo = 125; ],
1214                 [ ac_cv_have_u_char="yes" ],
1215                 [ ac_cv_have_u_char="no" ]
1216         )
1217 ])
1218 if test "x$ac_cv_have_u_char" = "xyes" ; then
1219         AC_DEFINE(HAVE_U_CHAR)
1220 fi
1221
1222 TYPE_SOCKLEN_T
1223
1224 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
1225
1226 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
1227         AC_TRY_COMPILE(
1228                 [
1229 #include <sys/types.h>
1230                 ],
1231                 [ size_t foo; foo = 1235; ],
1232                 [ ac_cv_have_size_t="yes" ],
1233                 [ ac_cv_have_size_t="no" ]
1234         )
1235 ])
1236 if test "x$ac_cv_have_size_t" = "xyes" ; then
1237         AC_DEFINE(HAVE_SIZE_T)
1238 fi
1239
1240 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
1241         AC_TRY_COMPILE(
1242                 [
1243 #include <sys/types.h>
1244                 ],
1245                 [ ssize_t foo; foo = 1235; ],
1246                 [ ac_cv_have_ssize_t="yes" ],
1247                 [ ac_cv_have_ssize_t="no" ]
1248         )
1249 ])
1250 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
1251         AC_DEFINE(HAVE_SSIZE_T)
1252 fi
1253
1254 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
1255         AC_TRY_COMPILE(
1256                 [
1257 #include <time.h>
1258                 ],
1259                 [ clock_t foo; foo = 1235; ],
1260                 [ ac_cv_have_clock_t="yes" ],
1261                 [ ac_cv_have_clock_t="no" ]
1262         )
1263 ])
1264 if test "x$ac_cv_have_clock_t" = "xyes" ; then
1265         AC_DEFINE(HAVE_CLOCK_T)
1266 fi
1267
1268 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
1269         AC_TRY_COMPILE(
1270                 [
1271 #include <sys/types.h>
1272 #include <sys/socket.h>
1273                 ],
1274                 [ sa_family_t foo; foo = 1235; ],
1275                 [ ac_cv_have_sa_family_t="yes" ],
1276                 [ AC_TRY_COMPILE(
1277                   [
1278 #include <sys/types.h>
1279 #include <sys/socket.h>
1280 #include <netinet/in.h>
1281                 ],
1282                 [ sa_family_t foo; foo = 1235; ],
1283                 [ ac_cv_have_sa_family_t="yes" ],
1284
1285                 [ ac_cv_have_sa_family_t="no" ]
1286         )]
1287         )
1288 ])
1289 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
1290         AC_DEFINE(HAVE_SA_FAMILY_T)
1291 fi
1292
1293 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
1294         AC_TRY_COMPILE(
1295                 [
1296 #include <sys/types.h>
1297                 ],
1298                 [ pid_t foo; foo = 1235; ],
1299                 [ ac_cv_have_pid_t="yes" ],
1300                 [ ac_cv_have_pid_t="no" ]
1301         )
1302 ])
1303 if test "x$ac_cv_have_pid_t" = "xyes" ; then
1304         AC_DEFINE(HAVE_PID_T)
1305 fi
1306
1307 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
1308         AC_TRY_COMPILE(
1309                 [
1310 #include <sys/types.h>
1311                 ],
1312                 [ mode_t foo; foo = 1235; ],
1313                 [ ac_cv_have_mode_t="yes" ],
1314                 [ ac_cv_have_mode_t="no" ]
1315         )
1316 ])
1317 if test "x$ac_cv_have_mode_t" = "xyes" ; then
1318         AC_DEFINE(HAVE_MODE_T)
1319 fi
1320
1321
1322 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
1323         AC_TRY_COMPILE(
1324                 [
1325 #include <sys/types.h>
1326 #include <sys/socket.h>
1327                 ],
1328                 [ struct sockaddr_storage s; ],
1329                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
1330                 [ ac_cv_have_struct_sockaddr_storage="no" ]
1331         )
1332 ])
1333 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
1334         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
1335 fi
1336
1337 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
1338         AC_TRY_COMPILE(
1339                 [
1340 #include <sys/types.h>
1341 #include <netinet/in.h>
1342                 ],
1343                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1344                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1345                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1346         )
1347 ])
1348 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1349         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1350 fi
1351
1352 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1353         AC_TRY_COMPILE(
1354                 [
1355 #include <sys/types.h>
1356 #include <netinet/in.h>
1357                 ],
1358                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1359                 [ ac_cv_have_struct_in6_addr="yes" ],
1360                 [ ac_cv_have_struct_in6_addr="no" ]
1361         )
1362 ])
1363 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1364         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1365 fi
1366
1367 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1368         AC_TRY_COMPILE(
1369                 [
1370 #include <sys/types.h>
1371 #include <sys/socket.h>
1372 #include <netdb.h>
1373                 ],
1374                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1375                 [ ac_cv_have_struct_addrinfo="yes" ],
1376                 [ ac_cv_have_struct_addrinfo="no" ]
1377         )
1378 ])
1379 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1380         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1381 fi
1382
1383 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1384         AC_TRY_COMPILE(
1385                 [ #include <sys/time.h> ],
1386                 [ struct timeval tv; tv.tv_sec = 1;],
1387                 [ ac_cv_have_struct_timeval="yes" ],
1388                 [ ac_cv_have_struct_timeval="no" ]
1389         )
1390 ])
1391 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1392         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1393         have_struct_timeval=1
1394 fi
1395
1396 # If we don't have int64_t then we can't compile sftp-server.  So don't
1397 # even attempt to do it.
1398 if test "x$ac_cv_have_int64_t" = "xno" -a \
1399         "x$ac_cv_sizeof_long_int" != "x8" -a \
1400         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1401         NO_SFTP='#'
1402 else
1403 dnl test snprintf (broken on SCO w/gcc)
1404         AC_TRY_RUN(
1405                 [
1406 #include <stdio.h>
1407 #include <string.h>
1408 #ifdef HAVE_SNPRINTF
1409 main()
1410 {
1411         char buf[50];
1412         char expected_out[50];
1413         int mazsize = 50 ;
1414 #if (SIZEOF_LONG_INT == 8)
1415         long int num = 0x7fffffffffffffff;
1416 #else
1417         long long num = 0x7fffffffffffffffll;
1418 #endif
1419         strcpy(expected_out, "9223372036854775807");
1420         snprintf(buf, mazsize, "%lld", num);
1421         if(strcmp(buf, expected_out) != 0)
1422                 exit(1);
1423         exit(0);
1424 }
1425 #else
1426 main() { exit(0); }
1427 #endif
1428                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1429         )
1430 fi
1431 AC_SUBST(NO_SFTP)
1432
1433 dnl Checks for structure members
1434 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1435 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1436 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1437 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1438 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1439 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1440 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1441 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1442 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1443 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1444 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1445 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1446 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1447 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1448 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1449 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1450 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1451
1452 AC_CHECK_MEMBERS([struct stat.st_blksize])
1453
1454 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1455                 ac_cv_have_ss_family_in_struct_ss, [
1456         AC_TRY_COMPILE(
1457                 [
1458 #include <sys/types.h>
1459 #include <sys/socket.h>
1460                 ],
1461                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1462                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1463                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1464         )
1465 ])
1466 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1467         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1468 fi
1469
1470 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1471                 ac_cv_have___ss_family_in_struct_ss, [
1472         AC_TRY_COMPILE(
1473                 [
1474 #include <sys/types.h>
1475 #include <sys/socket.h>
1476                 ],
1477                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1478                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1479                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1480         )
1481 ])
1482 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1483         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1484 fi
1485
1486 AC_CACHE_CHECK([for pw_class field in struct passwd],
1487                 ac_cv_have_pw_class_in_struct_passwd, [
1488         AC_TRY_COMPILE(
1489                 [
1490 #include <pwd.h>
1491                 ],
1492                 [ struct passwd p; p.pw_class = 0; ],
1493                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1494                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1495         )
1496 ])
1497 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1498         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1499 fi
1500
1501 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1502                 ac_cv_have_pw_expire_in_struct_passwd, [
1503         AC_TRY_COMPILE(
1504                 [
1505 #include <pwd.h>
1506                 ],
1507                 [ struct passwd p; p.pw_expire = 0; ],
1508                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1509                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1510         )
1511 ])
1512 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1513         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1514 fi
1515
1516 AC_CACHE_CHECK([for pw_change field in struct passwd],
1517                 ac_cv_have_pw_change_in_struct_passwd, [
1518         AC_TRY_COMPILE(
1519                 [
1520 #include <pwd.h>
1521                 ],
1522                 [ struct passwd p; p.pw_change = 0; ],
1523                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1524                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1525         )
1526 ])
1527 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1528         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1529 fi
1530
1531 dnl make sure we're using the real structure members and not defines
1532 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
1533                 ac_cv_have_accrights_in_msghdr, [
1534         AC_TRY_RUN(
1535                 [
1536 #include <sys/types.h>
1537 #include <sys/socket.h>
1538 #include <sys/uio.h>
1539 int main() {
1540 #ifdef msg_accrights
1541 exit(1);
1542 #endif
1543 struct msghdr m;
1544 m.msg_accrights = 0;
1545 exit(0);
1546 }
1547                 ],
1548                 [ ac_cv_have_accrights_in_msghdr="yes" ],
1549                 [ ac_cv_have_accrights_in_msghdr="no" ]
1550         )
1551 ])
1552 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
1553         AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
1554 fi
1555
1556 AC_CACHE_CHECK([for msg_control field in struct msghdr],
1557                 ac_cv_have_control_in_msghdr, [
1558         AC_TRY_RUN(
1559                 [
1560 #include <sys/types.h>
1561 #include <sys/socket.h>
1562 #include <sys/uio.h>
1563 int main() {
1564 #ifdef msg_control
1565 exit(1);
1566 #endif
1567 struct msghdr m;
1568 m.msg_control = 0;
1569 exit(0);
1570 }
1571                 ],
1572                 [ ac_cv_have_control_in_msghdr="yes" ],
1573                 [ ac_cv_have_control_in_msghdr="no" ]
1574         )
1575 ])
1576 if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
1577         AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
1578 fi
1579
1580 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1581         AC_TRY_LINK([],
1582                 [ extern char *__progname; printf("%s", __progname); ],
1583                 [ ac_cv_libc_defines___progname="yes" ],
1584                 [ ac_cv_libc_defines___progname="no" ]
1585         )
1586 ])
1587 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1588         AC_DEFINE(HAVE___PROGNAME)
1589 fi
1590
1591 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
1592         AC_TRY_LINK([
1593 #include <stdio.h>
1594 ],
1595                 [ printf("%s", __FUNCTION__); ],
1596                 [ ac_cv_cc_implements___FUNCTION__="yes" ],
1597                 [ ac_cv_cc_implements___FUNCTION__="no" ]
1598         )
1599 ])
1600 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
1601         AC_DEFINE(HAVE___FUNCTION__)
1602 fi
1603
1604 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
1605         AC_TRY_LINK([
1606 #include <stdio.h>
1607 ],
1608                 [ printf("%s", __func__); ],
1609                 [ ac_cv_cc_implements___func__="yes" ],
1610                 [ ac_cv_cc_implements___func__="no" ]
1611         )
1612 ])
1613 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
1614         AC_DEFINE(HAVE___func__)
1615 fi
1616
1617 AC_CACHE_CHECK([whether getopt has optreset support],
1618                 ac_cv_have_getopt_optreset, [
1619         AC_TRY_LINK(
1620                 [
1621 #include <getopt.h>
1622                 ],
1623                 [ extern int optreset; optreset = 0; ],
1624                 [ ac_cv_have_getopt_optreset="yes" ],
1625                 [ ac_cv_have_getopt_optreset="no" ]
1626         )
1627 ])
1628 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
1629         AC_DEFINE(HAVE_GETOPT_OPTRESET)
1630 fi
1631
1632 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1633         AC_TRY_LINK([],
1634                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1635                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1636                 [ ac_cv_libc_defines_sys_errlist="no" ]
1637         )
1638 ])
1639 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1640         AC_DEFINE(HAVE_SYS_ERRLIST)
1641 fi
1642
1643
1644 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1645         AC_TRY_LINK([],
1646                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1647                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1648                 [ ac_cv_libc_defines_sys_nerr="no" ]
1649         )
1650 ])
1651 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1652         AC_DEFINE(HAVE_SYS_NERR)
1653 fi
1654
1655 SCARD_MSG="no"
1656
1657 # Check whether user wants sectok support
1658 AC_ARG_WITH(sectok,
1659         [  --with-sectok           Enable smartcard support using libsectok],
1660         [
1661                 if test "x$withval" != "xno" ; then
1662                         if test "x$withval" != "xyes" ; then
1663                                 CPPFLAGS="$CPPFLAGS -I${withval}"
1664                                 LDFLAGS="$LDFLAGS -L${withval}"
1665                                 if test ! -z "$need_dash_r" ; then
1666                                         LDFLAGS="$LDFLAGS -R${withval}"
1667                                 fi
1668                                 if test ! -z "$blibpath" ; then
1669                                         blibpath="$blibpath:${withval}"
1670                                 fi
1671                         fi
1672                         AC_CHECK_HEADERS(sectok.h)
1673                         if test "$ac_cv_header_sectok_h" != yes; then
1674                                 AC_MSG_ERROR(Can't find sectok.h)
1675                         fi
1676                         AC_CHECK_LIB(sectok, sectok_open)
1677                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
1678                                 AC_MSG_ERROR(Can't find libsectok)
1679                         fi
1680                         AC_DEFINE(SMARTCARD)
1681                         AC_DEFINE(USE_SECTOK)
1682                         SCARD_MSG="yes, using sectok"
1683                 fi
1684         ]
1685 )
1686
1687 # Check whether user wants OpenSC support
1688 AC_ARG_WITH(opensc,
1689         AC_HELP_STRING([--with-opensc=PFX],
1690                        [Enable smartcard support using OpenSC]),
1691         opensc_config_prefix="$withval", opensc_config_prefix="")
1692 if test x$opensc_config_prefix != x ; then
1693   OPENSC_CONFIG=$opensc_config_prefix/bin/opensc-config
1694   AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
1695   if test "$OPENSC_CONFIG" != "no"; then
1696     LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
1697     LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
1698     CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
1699     LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"
1700     AC_DEFINE(SMARTCARD)
1701     AC_DEFINE(USE_OPENSC)
1702     SCARD_MSG="yes, using OpenSC"
1703   fi
1704 fi
1705
1706 # Check whether user wants Kerberos 5 support
1707 KRB5_MSG="no"
1708 AC_ARG_WITH(kerberos5,
1709         [  --with-kerberos5=PATH   Enable Kerberos 5 support],
1710         [
1711                 if test "x$withval" != "xno" ; then
1712                         if test "x$withval" = "xyes" ; then
1713                                 KRB5ROOT="/usr/local"
1714                         else
1715                                 KRB5ROOT=${withval}
1716                         fi
1717                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
1718                         LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
1719                         AC_DEFINE(KRB5)
1720                         KRB5_MSG="yes"
1721                         AC_MSG_CHECKING(whether we are using Heimdal)
1722                         AC_TRY_COMPILE([ #include <krb5.h> ],
1723                                        [ char *tmp = heimdal_version; ],
1724                                        [ AC_MSG_RESULT(yes)
1725                                          AC_DEFINE(HEIMDAL)
1726                                          K5LIBS="-lkrb5 -ldes -lcom_err -lasn1 -lroken"
1727                                        ],
1728                                        [ AC_MSG_RESULT(no)
1729                                          K5LIBS="-lkrb5 -lk5crypto -lcom_err"
1730                                        ]
1731                         )
1732                         if test ! -z "$need_dash_r" ; then
1733                                 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
1734                         fi
1735                         if test ! -z "$blibpath" ; then
1736                                 blibpath="$blibpath:${KRB5ROOT}/lib"
1737                         fi
1738                         AC_CHECK_LIB(resolv, dn_expand, , )
1739
1740                         KRB5=yes
1741                 fi
1742         ]
1743 )
1744 # Check whether user wants Kerberos 4 support
1745 KRB4_MSG="no"
1746 AC_ARG_WITH(kerberos4,
1747         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1748         [
1749                 if test "x$withval" != "xno" ; then
1750                         if test "x$withval" != "xyes" ; then
1751                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1752                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1753                                 if test ! -z "$need_dash_r" ; then
1754                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1755                                 fi
1756                                 if test ! -z "$blibpath" ; then
1757                                         blibpath="$blibpath:${withval}/lib"
1758                                 fi
1759                         else
1760                                 if test -d /usr/include/kerberosIV ; then
1761                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1762                                 fi
1763                         fi
1764
1765                         AC_CHECK_HEADERS(krb.h)
1766                         if test "$ac_cv_header_krb_h" != yes; then
1767                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1768                         fi
1769                         AC_CHECK_LIB(krb, main)
1770                         if test "$ac_cv_lib_krb_main" != yes; then
1771                                 AC_CHECK_LIB(krb4, main)
1772                                 if test "$ac_cv_lib_krb4_main" != yes; then
1773                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
1774                                 else
1775                                         KLIBS="-lkrb4"
1776                                 fi
1777                         else
1778                                 KLIBS="-lkrb"
1779                         fi
1780                         AC_CHECK_LIB(des, des_cbc_encrypt)
1781                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
1782                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
1783                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
1784                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
1785                                 else
1786                                         KLIBS="-ldes425"
1787                                 fi
1788                         else
1789                                 KLIBS="-ldes"
1790                         fi
1791                         AC_CHECK_LIB(resolv, dn_expand, , )
1792                         KRB4=yes
1793                         KRB4_MSG="yes"
1794                         AC_DEFINE(KRB4)
1795                 fi
1796         ]
1797 )
1798
1799 # Check whether user wants AFS support
1800 AFS_MSG="no"
1801 AC_ARG_WITH(afs,
1802         [  --with-afs=PATH         Enable AFS support],
1803         [
1804                 if test "x$withval" != "xno" ; then
1805
1806                         if test "x$withval" != "xyes" ; then
1807                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1808                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1809                         fi
1810
1811                         if test -z "$KRB4" ; then
1812                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1813                         fi
1814
1815                         LIBS="-lkafs $LIBS"
1816                         if test ! -z "$AFS_LIBS" ; then
1817                                 LIBS="$LIBS $AFS_LIBS"
1818                         fi
1819                         AC_DEFINE(AFS)
1820                         AFS_MSG="yes"
1821                 fi
1822         ]
1823 )
1824 LIBS="$LIBS $KLIBS $K5LIBS"
1825
1826 # Looking for programs, paths and files
1827
1828 PRIVSEP_PATH=/var/empty
1829 AC_ARG_WITH(privsep-path,
1830         [  --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)],
1831         [
1832                 if test "x$withval" != "$no" ; then
1833                         PRIVSEP_PATH=$withval
1834                 fi
1835         ]
1836 )
1837 AC_SUBST(PRIVSEP_PATH)
1838
1839 AC_ARG_WITH(xauth,
1840         [  --with-xauth=PATH       Specify path to xauth program ],
1841         [
1842                 if test "x$withval" != "xno" ; then
1843                         xauth_path=$withval
1844                 fi
1845         ],
1846         [
1847                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1848                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1849                         xauth_path="/usr/openwin/bin/xauth"
1850                 fi
1851         ]
1852 )
1853
1854 if test -z "$xauth_path" ; then
1855         XAUTH_PATH="undefined"
1856         AC_SUBST(XAUTH_PATH)
1857 else
1858         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1859         XAUTH_PATH=$xauth_path
1860         AC_SUBST(XAUTH_PATH)
1861 fi
1862
1863 # Check for mail directory (last resort if we cannot get it from headers)
1864 if test ! -z "$MAIL" ; then
1865         maildir=`dirname $MAIL`
1866         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1867 fi
1868
1869 if test -z "$no_dev_ptmx" ; then
1870         if test "x$disable_ptmx_check" != "xyes" ; then
1871                 AC_CHECK_FILE("/dev/ptmx",
1872                         [
1873                                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1874                                 have_dev_ptmx=1
1875                         ]
1876                 )
1877         fi
1878 fi
1879 AC_CHECK_FILE("/dev/ptc",
1880         [
1881                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1882                 have_dev_ptc=1
1883         ]
1884 )
1885
1886 # Options from here on. Some of these are preset by platform above
1887 AC_ARG_WITH(mantype,
1888         [  --with-mantype=man|cat|doc  Set man page type],
1889         [
1890                 case "$withval" in
1891                 man|cat|doc)
1892                         MANTYPE=$withval
1893                         ;;
1894                 *)
1895                         AC_MSG_ERROR(invalid man type: $withval)
1896                         ;;
1897                 esac
1898         ]
1899 )
1900 if test -z "$MANTYPE"; then
1901         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, /usr/bin:/usr/ucb)
1902         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
1903                 MANTYPE=doc
1904         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
1905                 MANTYPE=man
1906         else
1907                 MANTYPE=cat
1908         fi
1909 fi
1910 AC_SUBST(MANTYPE)
1911 if test "$MANTYPE" = "doc"; then
1912         mansubdir=man;
1913 else
1914         mansubdir=$MANTYPE;
1915 fi
1916 AC_SUBST(mansubdir)
1917
1918 # Check whether to enable MD5 passwords
1919 MD5_MSG="no"
1920 AC_ARG_WITH(md5-passwords,
1921         [  --with-md5-passwords    Enable use of MD5 passwords],
1922         [
1923                 if test "x$withval" != "xno" ; then
1924                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1925                         MD5_MSG="yes"
1926                 fi
1927         ]
1928 )
1929
1930 # Whether to disable shadow password support
1931 AC_ARG_WITH(shadow,
1932         [  --without-shadow        Disable shadow password support],
1933         [
1934                 if test "x$withval" = "xno" ; then
1935                         AC_DEFINE(DISABLE_SHADOW)
1936                         disable_shadow=yes
1937                 fi
1938         ]
1939 )
1940
1941 if test -z "$disable_shadow" ; then
1942         AC_MSG_CHECKING([if the systems has expire shadow information])
1943         AC_TRY_COMPILE(
1944         [
1945 #include <sys/types.h>
1946 #include <shadow.h>
1947         struct spwd sp;
1948         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1949         [ sp_expire_available=yes ], []
1950         )
1951
1952         if test "x$sp_expire_available" = "xyes" ; then
1953                 AC_MSG_RESULT(yes)
1954                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1955         else
1956                 AC_MSG_RESULT(no)
1957         fi
1958 fi
1959
1960 # Use ip address instead of hostname in $DISPLAY
1961 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1962         DISPLAY_HACK_MSG="yes"
1963         AC_DEFINE(IPADDR_IN_DISPLAY)
1964 else
1965         DISPLAY_HACK_MSG="no"
1966         AC_ARG_WITH(ipaddr-display,
1967                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1968                 [
1969                         if test "x$withval" != "xno" ; then
1970                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1971                                 DISPLAY_HACK_MSG="yes"
1972                         fi
1973                 ]
1974         )
1975 fi
1976
1977 dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
1978 if test $ac_cv_func_login_getcapbool = "yes" -a \
1979         $ac_cv_header_login_cap_h = "yes" ; then
1980         USES_LOGIN_CONF=yes
1981 fi
1982 # Whether to mess with the default path
1983 SERVER_PATH_MSG="(default)"
1984 AC_ARG_WITH(default-path,
1985         [  --with-default-path=    Specify default \$PATH environment for server],
1986         [
1987                 if test "$USES_LOGIN_CONF" = "yes" ; then
1988                         AC_MSG_WARN([
1989 --with-default-path=PATH has no effect on this system.
1990 Edit /etc/login.conf instead.])
1991                 elif test "x$withval" != "xno" ; then
1992                         user_path="$withval"
1993                         SERVER_PATH_MSG="$withval"
1994                 fi
1995         ],
1996         [ if test "$USES_LOGIN_CONF" = "yes" ; then
1997         AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
1998         else
1999         AC_TRY_RUN(
2000                 [
2001 /* find out what STDPATH is */
2002 #include <stdio.h>
2003 #ifdef HAVE_PATHS_H
2004 # include <paths.h>
2005 #endif
2006 #ifndef _PATH_STDPATH
2007 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
2008 #endif
2009 #include <sys/types.h>
2010 #include <sys/stat.h>
2011 #include <fcntl.h>
2012 #define DATA "conftest.stdpath"
2013
2014 main()
2015 {
2016         FILE *fd;
2017         int rc;
2018
2019         fd = fopen(DATA,"w");
2020         if(fd == NULL)
2021                 exit(1);
2022
2023         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
2024                 exit(1);
2025
2026         exit(0);
2027 }
2028                 ], [ user_path=`cat conftest.stdpath` ],
2029                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
2030                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
2031         )
2032 # make sure $bindir is in USER_PATH so scp will work
2033                 t_bindir=`eval echo ${bindir}`
2034                 case $t_bindir in
2035                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
2036                 esac
2037                 case $t_bindir in
2038                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
2039                 esac
2040                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
2041                 if test $? -ne 0  ; then
2042                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
2043                         if test $? -ne 0  ; then
2044                                 user_path=$user_path:$t_bindir
2045                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
2046                         fi
2047                 fi
2048         fi ]
2049 )
2050 if test "$USES_LOGIN_CONF" != "yes" ; then
2051         AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
2052         AC_SUBST(user_path)
2053 fi
2054
2055 # Set superuser path separately to user path
2056 AC_ARG_WITH(superuser-path,
2057         [  --with-superuser-path=  Specify different path for super-user],
2058         [
2059                 if test "x$withval" != "xno" ; then
2060                         AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval")
2061                         superuser_path=$withval
2062                 fi
2063         ]
2064 )
2065
2066
2067 # Whether to force IPv4 by default (needed on broken glibc Linux)
2068 IPV4_HACK_MSG="no"
2069 AC_ARG_WITH(ipv4-default,
2070         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
2071         [
2072                 if test "x$withval" != "xno" ; then
2073                         AC_DEFINE(IPV4_DEFAULT)
2074                         IPV4_HACK_MSG="yes"
2075                 fi
2076         ]
2077 )
2078
2079 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
2080 IPV4_IN6_HACK_MSG="no"
2081 AC_ARG_WITH(4in6,
2082         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
2083         [
2084                 if test "x$withval" != "xno" ; then
2085                         AC_MSG_RESULT(yes)
2086                         AC_DEFINE(IPV4_IN_IPV6)
2087                         IPV4_IN6_HACK_MSG="yes"
2088                 else
2089                         AC_MSG_RESULT(no)
2090                 fi
2091         ],[
2092                 if test "x$inet6_default_4in6" = "xyes"; then
2093                         AC_MSG_RESULT([yes (default)])
2094                         AC_DEFINE(IPV4_IN_IPV6)
2095                         IPV4_IN6_HACK_MSG="yes"
2096                 else
2097                         AC_MSG_RESULT([no (default)])
2098                 fi
2099         ]
2100 )
2101
2102 # Whether to enable BSD auth support
2103 BSD_AUTH_MSG=no
2104 AC_ARG_WITH(bsd-auth,
2105         [  --with-bsd-auth         Enable BSD auth support],
2106         [
2107                 if test "x$withval" != "xno" ; then
2108                         AC_DEFINE(BSD_AUTH)
2109                         BSD_AUTH_MSG=yes
2110                 fi
2111         ]
2112 )
2113
2114 # Where to place sshd.pid
2115 piddir=/var/run
2116 # make sure the directory exists
2117 if test ! -d $piddir ; then
2118         piddir=`eval echo ${sysconfdir}`
2119         case $piddir in
2120                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
2121         esac
2122 fi
2123
2124 AC_ARG_WITH(pid-dir,
2125         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
2126         [
2127                 if test "x$withval" != "xno" ; then
2128                         piddir=$withval
2129                         if test ! -d $piddir ; then
2130                         AC_MSG_WARN([** no $piddir directory on this system **])
2131                         fi
2132                 fi
2133         ]
2134 )
2135
2136 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
2137 AC_SUBST(piddir)
2138
2139 dnl allow user to disable some login recording features
2140 AC_ARG_ENABLE(lastlog,
2141         [  --disable-lastlog       disable use of lastlog even if detected [no]],
2142         [ AC_DEFINE(DISABLE_LASTLOG) ]
2143 )
2144 AC_ARG_ENABLE(utmp,
2145         [  --disable-utmp          disable use of utmp even if detected [no]],
2146         [ AC_DEFINE(DISABLE_UTMP) ]
2147 )
2148 AC_ARG_ENABLE(utmpx,
2149         [  --disable-utmpx         disable use of utmpx even if detected [no]],
2150         [ AC_DEFINE(DISABLE_UTMPX) ]
2151 )
2152 AC_ARG_ENABLE(wtmp,
2153         [  --disable-wtmp          disable use of wtmp even if detected [no]],
2154         [ AC_DEFINE(DISABLE_WTMP) ]
2155 )
2156 AC_ARG_ENABLE(wtmpx,
2157         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
2158         [ AC_DEFINE(DISABLE_WTMPX) ]
2159 )
2160 AC_ARG_ENABLE(libutil,
2161         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
2162         [ AC_DEFINE(DISABLE_LOGIN) ]
2163 )
2164 AC_ARG_ENABLE(pututline,
2165         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
2166         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
2167 )
2168 AC_ARG_ENABLE(pututxline,
2169         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
2170         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
2171 )
2172 AC_ARG_WITH(lastlog,
2173   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
2174         [
2175                 if test "x$withval" = "xno" ; then
2176                         AC_DEFINE(DISABLE_LASTLOG)
2177                 else
2178                         conf_lastlog_location=$withval
2179                 fi
2180         ]
2181 )
2182
2183 dnl lastlog, [uw]tmpx? detection
2184 dnl  NOTE: set the paths in the platform section to avoid the
2185 dnl   need for command-line parameters
2186 dnl lastlog and [uw]tmp are subject to a file search if all else fails
2187
2188 dnl lastlog detection
2189 dnl  NOTE: the code itself will detect if lastlog is a directory
2190 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
2191 AC_TRY_COMPILE([
2192 #include <sys/types.h>
2193 #include <utmp.h>
2194 #ifdef HAVE_LASTLOG_H
2195 #  include <lastlog.h>
2196 #endif
2197 #ifdef HAVE_PATHS_H
2198 #  include <paths.h>
2199 #endif
2200 #ifdef HAVE_LOGIN_H
2201 # include <login.h>
2202 #endif
2203         ],
2204         [ char *lastlog = LASTLOG_FILE; ],
2205         [ AC_MSG_RESULT(yes) ],
2206         [
2207                 AC_MSG_RESULT(no)
2208                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
2209                 AC_TRY_COMPILE([
2210 #include <sys/types.h>
2211 #include <utmp.h>
2212 #ifdef HAVE_LASTLOG_H
2213 #  include <lastlog.h>
2214 #endif
2215 #ifdef HAVE_PATHS_H
2216 #  include <paths.h>
2217 #endif
2218                 ],
2219                 [ char *lastlog = _PATH_LASTLOG; ],
2220                 [ AC_MSG_RESULT(yes) ],
2221                 [
2222                         AC_MSG_RESULT(no)
2223                         system_lastlog_path=no
2224                 ])
2225         ]
2226 )
2227
2228 if test -z "$conf_lastlog_location"; then
2229         if test x"$system_lastlog_path" = x"no" ; then
2230                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
2231                                 if (test -d "$f" || test -f "$f") ; then
2232                                         conf_lastlog_location=$f
2233                                 fi
2234                 done
2235                 if test -z "$conf_lastlog_location"; then
2236                         AC_MSG_WARN([** Cannot find lastlog **])
2237                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
2238                 fi
2239         fi
2240 fi
2241
2242 if test -n "$conf_lastlog_location"; then
2243         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
2244 fi
2245
2246 dnl utmp detection
2247 AC_MSG_CHECKING([if your system defines UTMP_FILE])
2248 AC_TRY_COMPILE([
2249 #include <sys/types.h>
2250 #include <utmp.h>
2251 #ifdef HAVE_PATHS_H
2252 #  include <paths.h>
2253 #endif
2254         ],
2255         [ char *utmp = UTMP_FILE; ],
2256         [ AC_MSG_RESULT(yes) ],
2257         [ AC_MSG_RESULT(no)
2258           system_utmp_path=no ]
2259 )
2260 if test -z "$conf_utmp_location"; then
2261         if test x"$system_utmp_path" = x"no" ; then
2262                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
2263                         if test -f $f ; then
2264                                 conf_utmp_location=$f
2265                         fi
2266                 done
2267                 if test -z "$conf_utmp_location"; then
2268                         AC_DEFINE(DISABLE_UTMP)
2269                 fi
2270         fi
2271 fi
2272 if test -n "$conf_utmp_location"; then
2273         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
2274 fi
2275
2276 dnl wtmp detection
2277 AC_MSG_CHECKING([if your system defines WTMP_FILE])
2278 AC_TRY_COMPILE([
2279 #include <sys/types.h>
2280 #include <utmp.h>
2281 #ifdef HAVE_PATHS_H
2282 #  include <paths.h>
2283 #endif
2284         ],
2285         [ char *wtmp = WTMP_FILE; ],
2286         [ AC_MSG_RESULT(yes) ],
2287         [ AC_MSG_RESULT(no)
2288           system_wtmp_path=no ]
2289 )
2290 if test -z "$conf_wtmp_location"; then
2291         if test x"$system_wtmp_path" = x"no" ; then
2292                 for f in /usr/adm/wtmp /var/log/wtmp; do
2293                         if test -f $f ; then
2294                                 conf_wtmp_location=$f
2295                         fi
2296                 done
2297                 if test -z "$conf_wtmp_location"; then
2298                         AC_DEFINE(DISABLE_WTMP)
2299                 fi
2300         fi
2301 fi
2302 if test -n "$conf_wtmp_location"; then
2303         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
2304 fi
2305
2306
2307 dnl utmpx detection - I don't know any system so perverse as to require
2308 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
2309 dnl  there, though.
2310 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
2311 AC_TRY_COMPILE([
2312 #include <sys/types.h>
2313 #include <utmp.h>
2314 #ifdef HAVE_UTMPX_H
2315 #include <utmpx.h>
2316 #endif
2317 #ifdef HAVE_PATHS_H
2318 #  include <paths.h>
2319 #endif
2320         ],
2321         [ char *utmpx = UTMPX_FILE; ],
2322         [ AC_MSG_RESULT(yes) ],
2323         [ AC_MSG_RESULT(no)
2324           system_utmpx_path=no ]
2325 )
2326 if test -z "$conf_utmpx_location"; then
2327         if test x"$system_utmpx_path" = x"no" ; then
2328                 AC_DEFINE(DISABLE_UTMPX)
2329         fi
2330 else
2331         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
2332 fi
2333
2334 dnl wtmpx detection
2335 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
2336 AC_TRY_COMPILE([
2337 #include <sys/types.h>
2338 #include <utmp.h>
2339 #ifdef HAVE_UTMPX_H
2340 #include <utmpx.h>
2341 #endif
2342 #ifdef HAVE_PATHS_H
2343 #  include <paths.h>
2344 #endif
2345         ],
2346         [ char *wtmpx = WTMPX_FILE; ],
2347         [ AC_MSG_RESULT(yes) ],
2348         [ AC_MSG_RESULT(no)
2349           system_wtmpx_path=no ]
2350 )
2351 if test -z "$conf_wtmpx_location"; then
2352         if test x"$system_wtmpx_path" = x"no" ; then
2353                 AC_DEFINE(DISABLE_WTMPX)
2354         fi
2355 else
2356         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
2357 fi
2358
2359
2360 if test ! -z "$blibpath" ; then
2361         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
2362         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
2363 fi
2364
2365 dnl remove pam and dl because they are in $LIBPAM
2366 if test "$PAM_MSG" = yes ; then
2367         LIBS=`echo $LIBS | sed 's/-lpam //'`
2368 fi
2369 if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
2370         LIBS=`echo $LIBS | sed 's/-ldl //'`
2371 fi
2372
2373 AC_EXEEXT
2374 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
2375 AC_OUTPUT
2376
2377 # Print summary of options
2378
2379 # Someone please show me a better way :)
2380 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
2381 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
2382 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
2383 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
2384 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
2385 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
2386 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
2387 H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
2388 I=`eval echo ${user_path}` ; I=`eval echo ${I}`
2389 J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
2390
2391 echo ""
2392 echo "OpenSSH has been configured with the following options:"
2393 echo "                     User binaries: $B"
2394 echo "                   System binaries: $C"
2395 echo "               Configuration files: $D"
2396 echo "                   Askpass program: $E"
2397 echo "                      Manual pages: $F"
2398 echo "                          PID file: $G"
2399 echo "  Privilege separation chroot path: $H"
2400 if test "$USES_LOGIN_CONF" = "yes" ; then
2401 echo "   At runtime, sshd will use the path defined in /etc/login.conf"
2402 else
2403 echo "            sshd default user PATH: $I"
2404 fi
2405 if test ! -z "$superuser_path" ; then
2406 echo "          sshd superuser user PATH: $J"
2407 fi
2408 echo "                    Manpage format: $MANTYPE"
2409 echo "                       PAM support: ${PAM_MSG}"
2410 echo "                KerberosIV support: $KRB4_MSG"
2411 echo "                 KerberosV support: $KRB5_MSG"
2412 echo "                 Smartcard support: $SCARD_MSG"
2413 echo "                       AFS support: $AFS_MSG"
2414 echo "                     S/KEY support: $SKEY_MSG"
2415 echo "              TCP Wrappers support: $TCPW_MSG"
2416 echo "              MD5 password support: $MD5_MSG"
2417 echo "       IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
2418 echo "          Use IPv4 by default hack: $IPV4_HACK_MSG"
2419 echo "           Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
2420 echo "                  BSD Auth support: $BSD_AUTH_MSG"
2421 echo "              Random number source: $RAND_MSG"
2422 if test ! -z "$USE_RAND_HELPER" ; then
2423 echo "     ssh-rand-helper collects from: $RAND_HELPER_MSG"
2424 fi
2425
2426 echo ""
2427
2428 echo "              Host: ${host}"
2429 echo "          Compiler: ${CC}"
2430 echo "    Compiler flags: ${CFLAGS}"
2431 echo "Preprocessor flags: ${CPPFLAGS}"
2432 echo "      Linker flags: ${LDFLAGS}"
2433 echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
2434
2435 echo ""
2436
2437 if test "x$PAM_MSG" = "xyes" ; then
2438         echo "PAM is enabled. You may need to install a PAM control file "
2439         echo "for sshd, otherwise password authentication may fail. "
2440         echo "Example PAM control files can be found in the contrib/ "
2441         echo "subdirectory"
2442         echo ""
2443 fi
2444
2445 if test ! -z "$NO_SFTP"; then
2446         echo "sftp-server will be disabled.  Your compiler does not "
2447         echo "support 64bit integers."
2448         echo ""
2449 fi
2450
2451 if test ! -z "$RAND_HELPER_CMDHASH" ; then
2452         echo "WARNING: you are using the builtin random number collection "
2453         echo "service. Please read WARNING.RNG and request that your OS "
2454         echo "vendor includes kernel-based random number collection in "
2455         echo "future versions of your OS."
2456         echo ""
2457 fi
2458