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