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
  25 # System features
  26 AC_SYS_LARGEFILE
  27
  28 if test -z "$AR" ; then
  29         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  30 fi
  31
  32 # Use LOGIN_PROGRAM from environment if possible
  33 if test ! -z "$LOGIN_PROGRAM" ; then
  34         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  35 else
  36         # Search for login
  37         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  38         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  39                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  40         fi
  41 fi
  42
  43 if test -z "$LD" ; then
  44         LD=$CC
  45 fi
  46 AC_SUBST(LD)
  47
  48 AC_C_INLINE
  49 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
  50         CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wno-uninitialized"
  51 fi
  52
  53 # Check for some target-specific stuff
  54 case "$host" in
  55 *-*-aix*)
  56         AFS_LIBS="-lld"
  57         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
  58         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  59         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  60                 blibpath="/usr/lib:/lib:/usr/local/lib"
  61         fi
  62         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  63         AC_DEFINE(BROKEN_GETADDRINFO)
  64         dnl AIX handles lastlog as part of its login message
  65         AC_DEFINE(DISABLE_LASTLOG)
  66         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
  67         ;;
  68 *-*-cygwin*)
  69         LIBS="$LIBS /usr/lib/textmode.o"
  70         AC_DEFINE(HAVE_CYGWIN)
  71         AC_DEFINE(USE_PIPES)
  72         AC_DEFINE(DISABLE_SHADOW)
  73         AC_DEFINE(IPV4_DEFAULT)
  74         AC_DEFINE(IP_TOS_IS_BROKEN)
  75         AC_DEFINE(NO_X11_UNIX_SOCKETS)
  76         ;;
  77 *-*-dgux*)
  78         AC_DEFINE(IP_TOS_IS_BROKEN)
  79         ;;
  80 *-*-darwin*)
  81         AC_DEFINE(BROKEN_GETADDRINFO)
  82         ;;
  83 *-*-hpux10*)
  84         if test -z "$GCC"; then
  85                 CFLAGS="$CFLAGS -Ae"
  86         fi
  87         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
  88         IPADDR_IN_DISPLAY=yes
  89         AC_DEFINE(USE_PIPES)
  90         AC_DEFINE(DISABLE_SHADOW)
  91         AC_DEFINE(DISABLE_UTMP)
  92         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  93         LIBS="$LIBS -lxnet -lsec"
  94         ;;
  95 *-*-hpux11*)
  96         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
  97         IPADDR_IN_DISPLAY=yes
  98         AC_DEFINE(PAM_SUN_CODEBASE)
  99         AC_DEFINE(USE_PIPES)
 100         AC_DEFINE(DISABLE_SHADOW)
 101         AC_DEFINE(DISABLE_UTMP)
 102         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 103         LIBS="$LIBS -lxnet -lsec"
 104         ;;
 105 *-*-irix5*)
 106         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 107         LDFLAGS="$LDFLAGS"
 108         PATH="$PATH:/usr/etc"
 109         AC_DEFINE(BROKEN_INET_NTOA)
 110         ;;
 111 *-*-irix6*)
 112         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 113         LDFLAGS="$LDFLAGS"
 114         PATH="$PATH:/usr/etc"
 115         AC_DEFINE(WITH_IRIX_ARRAY)
 116         AC_DEFINE(WITH_IRIX_PROJECT)
 117         AC_DEFINE(WITH_IRIX_AUDIT)
 118         AC_DEFINE(WITH_IRIX_JOBS)
 119         AC_DEFINE(BROKEN_INET_NTOA)
 120         ;;
 121 *-*-linux*)
 122         no_dev_ptmx=1
 123         check_for_libcrypt_later=1
 124         AC_DEFINE(DONT_TRY_OTHER_AF)
 125         AC_DEFINE(PAM_TTY_KLUDGE)
 126         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 127         inet6_default_4in6=yes
 128         ;;
 129 mips-sony-bsd|mips-sony-newsos4)
 130         AC_DEFINE(HAVE_NEWS4)
 131         SONY=1
 132         AC_CHECK_LIB(iberty, xatexit, AC_DEFINE(HAVE_XATEXIT),
 133                 AC_MSG_ERROR([*** libiberty missing - please install first or check config.log ***])
 134         )
 135         ;;
 136 *-*-netbsd*)
 137         need_dash_r=1
 138         ;;
 139 *-*-freebsd*)
 140         check_for_libcrypt_later=1
 141         ;;
 142 *-next-*)
 143         conf_lastlog_location="/usr/adm/lastlog"
 144         conf_utmp_location=/etc/utmp
 145         conf_wtmp_location=/usr/adm/wtmp
 146         MAIL=/usr/spool/mail
 147         AC_DEFINE(HAVE_NEXT)
 148         AC_DEFINE(BROKEN_REALPATH)
 149         AC_DEFINE(USE_PIPES)
 150         AC_DEFINE(BROKEN_SAVED_UIDS)
 151         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 152         CFLAGS="$CFLAGS"
 153         ;;
 154 *-*-solaris*)
 155         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 156         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 157         need_dash_r=1
 158         AC_DEFINE(PAM_SUN_CODEBASE)
 159         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 160         AC_DEFINE(LOGIN_NEEDS_TERM)
 161         AC_DEFINE(PAM_TTY_KLUDGE)
 162         # hardwire lastlog location (can't detect it on some versions)
 163         conf_lastlog_location="/var/adm/lastlog"
 164         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 165         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 166         if test "$sol2ver" -ge 8; then
 167                 AC_MSG_RESULT(yes)
 168                 AC_DEFINE(DISABLE_UTMP)
 169                 AC_DEFINE(DISABLE_WTMP)
 170         else
 171                 AC_MSG_RESULT(no)
 172         fi
 173         ;;
 174 *-*-sunos4*)
 175         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 176         AC_CHECK_FUNCS(getpwanam)
 177         AC_DEFINE(PAM_SUN_CODEBASE)
 178         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 179         conf_utmp_location=/etc/utmp
 180         conf_wtmp_location=/var/adm/wtmp
 181         conf_lastlog_location=/var/adm/lastlog
 182         AC_DEFINE(USE_PIPES)
 183         ;;
 184 *-ncr-sysv*)
 185         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 186         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 187         LIBS="$LIBS -lc89"
 188         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 189         AC_DEFINE(USE_PIPES)
 190         ;;
 191 *-sni-sysv*)
 192         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 193         # /usr/ucblib MUST NOT be searched on ReliantUNIX
 194         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 195         IPADDR_IN_DISPLAY=yes
 196         AC_DEFINE(USE_PIPES)
 197         AC_DEFINE(IP_TOS_IS_BROKEN)
 198         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 199         # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
 200         # Attention: always take care to bind libsocket and libnsl before libc,
 201         # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
 202         ;;
 203 *-*-sysv4.2*)
 204         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 205         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 206 #       enable_suid_ssh=no
 207         AC_DEFINE(USE_PIPES)
 208         ;;
 209 *-*-sysv5*)
 210         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 211         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 212 #       enable_suid_ssh=no
 213         AC_DEFINE(USE_PIPES)
 214         ;;
 215 *-*-sysv*)
 216         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 217         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 218         ;;
 219 *-*-sco3.2v4*)
 220         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 221         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 222         LIBS="$LIBS -los -lprot -lx -ltinfo -lm"
 223         rsh_path="/usr/bin/rcmd"
 224         RANLIB=true
 225         no_dev_ptmx=1
 226         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 227         AC_DEFINE(USE_PIPES)
 228         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 229         AC_DEFINE(DISABLE_SHADOW)
 230         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 231         AC_DEFINE(BROKEN_SAVED_UIDS)
 232         AC_CHECK_FUNCS(getluid setluid)
 233         MANTYPE=man
 234         do_sco3_extra_lib_check=yes
 235         ;;
 236 *-*-sco3.2v5*)
 237         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 238         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 239         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 240         no_dev_ptmx=1
 241         rsh_path="/usr/bin/rcmd"
 242         AC_DEFINE(USE_PIPES)
 243         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 244         AC_DEFINE(DISABLE_SHADOW)
 245         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 246         AC_CHECK_FUNCS(getluid setluid)
 247         MANTYPE=man
 248         ;;
 249 *-*-unicos*)
 250         no_libsocket=1
 251         no_libnsl=1
 252         AC_DEFINE(USE_PIPES)
 253         LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal,-L/usr/local/lib"
 254         LIBS="$LIBS -lgen -lrsc"
 255         ;;
 256 *-dec-osf*)
 257         AC_MSG_CHECKING(for Digital Unix SIA)
 258         no_osfsia=""
 259         AC_ARG_WITH(osfsia,
 260                 [  --with-osfsia           Enable Digital Unix SIA],
 261                 [
 262                         if test "x$withval" = "xno" ; then
 263                                 AC_MSG_RESULT(disabled)
 264                                 no_osfsia=1
 265                         fi
 266                 ],
 267         )
 268         if test -z "$no_osfsia" ; then
 269                 if test -f /etc/sia/matrix.conf; then
 270                         AC_MSG_RESULT(yes)
 271                         AC_DEFINE(HAVE_OSF_SIA)
 272                         AC_DEFINE(DISABLE_LOGIN)
 273                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 274                 else
 275                         AC_MSG_RESULT(no)
 276                 fi
 277         fi
 278         ;;
 279
 280 *-*-nto-qnx)
 281         AC_DEFINE(USE_PIPES)
 282         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 283         AC_DEFINE(MISSING_NFDBITS)
 284         AC_DEFINE(MISSING_HOWMANY)
 285         AC_DEFINE(MISSING_FD_MASK)
 286         ;;
 287 esac
 288
 289 # Allow user to specify flags
 290 AC_ARG_WITH(cflags,
 291         [  --with-cflags           Specify additional flags to pass to compiler],
 292         [
 293                 if test "x$withval" != "xno" ; then
 294                         CFLAGS="$CFLAGS $withval"
 295                 fi
 296         ]
 297 )
 298 AC_ARG_WITH(cppflags,
 299         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 300         [
 301                 if test "x$withval" != "xno"; then
 302                         CPPFLAGS="$CPPFLAGS $withval"
 303                 fi
 304         ]
 305 )
 306 AC_ARG_WITH(ldflags,
 307         [  --with-ldflags          Specify additional flags to pass to linker],
 308         [
 309                 if test "x$withval" != "xno" ; then
 310                         LDFLAGS="$LDFLAGS $withval"
 311                 fi
 312         ]
 313 )
 314 AC_ARG_WITH(libs,
 315         [  --with-libs             Specify additional libraries to link with],
 316         [
 317                 if test "x$withval" != "xno" ; then
 318                         LIBS="$LIBS $withval"
 319                 fi
 320         ]
 321 )
 322
 323 # Checks for header files.
 324 AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \
 325         getopt.h glob.h lastlog.h limits.h login.h \
 326         login_cap.h maillock.h netdb.h netgroup.h \
 327         netinet/in_systm.h paths.h poll.h pty.h \
 328         rpc/types.h security/pam_appl.h shadow.h stddef.h stdint.h \
 329         strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
 330         sys/poll.h sys/queue.h sys/select.h sys/stat.h \
 331         sys/stropts.h sys/sysmacros.h sys/time.h \
 332         sys/un.h time.h ttyent.h usersec.h \
 333         util.h utime.h utmp.h utmpx.h)
 334
 335 # Checks for libraries.
 336 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
 337 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
 338
 339 dnl SCO OS3 needs this for libwrap
 340 if test "x$with_tcp_wrappers" != "xno" ; then
 341     if test "x$do_sco3_extra_lib_check" = "xyes" ; then
 342         AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 343     fi
 344 fi
 345
 346 AC_CHECK_FUNC(getspnam, ,
 347         AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
 348
 349 AC_ARG_WITH(rpath,
 350         [  --without-rpath         Disable auto-added -R linker paths],
 351         [
 352                 if test "x$withval" = "xno" ; then
 353                         need_dash_r=""
 354                 fi
 355                 if test "x$withval" = "xyes" ; then
 356                         need_dash_r=1
 357                 fi
 358         ]
 359 )
 360
 361 dnl zlib is required
 362 AC_ARG_WITH(zlib,
 363         [  --with-zlib=PATH        Use zlib in PATH],
 364         [
 365                 if test "x$withval" = "xno" ; then
 366                         AC_MSG_ERROR([*** zlib is required ***])
 367                 fi
 368                 if test -d "$withval/lib"; then
 369                         if test -n "${need_dash_r}"; then
 370                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 371                         else
 372                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 373                         fi
 374                 else
 375                         if test -n "${need_dash_r}"; then
 376                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 377                         else
 378                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 379                         fi
 380                 fi
 381                 if test -d "$withval/include"; then
 382                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 383                 else
 384                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 385                 fi
 386         ]
 387 )
 388
 389 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 390
 391 dnl UnixWare 2.x
 392 AC_CHECK_FUNC(strcasecmp,
 393         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 394 )
 395 AC_CHECK_FUNC(utimes,
 396         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 397 )
 398
 399 dnl    Checks for libutil functions
 400 AC_CHECK_HEADERS(libutil.h)
 401 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN)])
 402 AC_CHECK_FUNCS(logout updwtmp logwtmp)
 403
 404 AC_FUNC_STRFTIME
 405
 406 # Check for ALTDIRFUNC glob() extension
 407 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 408 AC_EGREP_CPP(FOUNDIT,
 409         [
 410                 #include <glob.h>
 411                 #ifdef GLOB_ALTDIRFUNC
 412                 FOUNDIT
 413                 #endif
 414         ],
 415         [
 416                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 417                 AC_MSG_RESULT(yes)
 418         ],
 419         [
 420                 AC_MSG_RESULT(no)
 421         ]
 422 )
 423
 424 # Check for g.gl_matchc glob() extension
 425 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 426 AC_EGREP_CPP(FOUNDIT,
 427         [
 428                 #include <glob.h>
 429                 int main(void){glob_t g; g.gl_matchc = 1;}
 430         ],
 431         [
 432                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 433                 AC_MSG_RESULT(yes)
 434         ],
 435         [
 436                 AC_MSG_RESULT(no)
 437         ]
 438 )
 439
 440 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 441 AC_TRY_RUN(
 442         [
 443 #include <sys/types.h>
 444 #include <dirent.h>
 445 int main(void){struct dirent d;return(sizeof(d.d_name)<=sizeof(char));}
 446         ],
 447         [AC_MSG_RESULT(yes)],
 448         [
 449                 AC_MSG_RESULT(no)
 450                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 451         ]
 452 )
 453
 454 # Check whether user wants S/Key support
 455 SKEY_MSG="no"
 456 AC_ARG_WITH(skey,
 457         [  --with-skey[[=PATH]]      Enable S/Key support
 458                             (optionally in PATH)],
 459         [
 460                 if test "x$withval" != "xno" ; then
 461
 462                         if test "x$withval" != "xyes" ; then
 463                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 464                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 465                         fi
 466
 467                         AC_DEFINE(SKEY)
 468                         LIBS="-lskey $LIBS"
 469                         SKEY_MSG="yes"
 470
 471                         AC_MSG_CHECKING([for s/key support])
 472                         AC_TRY_RUN(
 473                                 [
 474 #include <stdio.h>
 475 #include <skey.h>
 476 int main() { char *ff = skey_keyinfo(""); ff=""; return 0; }
 477                                 ],
 478                                 [AC_MSG_RESULT(yes)],
 479                                 [
 480                                         AC_MSG_RESULT(no)
 481                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 482                                 ])
 483                 fi
 484         ]
 485 )
 486
 487 # Check whether user wants TCP wrappers support
 488 TCPW_MSG="no"
 489 AC_ARG_WITH(tcp-wrappers,
 490         [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
 491                             (optionally in PATH)],
 492         [
 493                 if test "x$withval" != "xno" ; then
 494                         saved_LIBS="$LIBS"
 495                         saved_LDFLAGS="$LDFLAGS"
 496                         saved_CPPFLAGS="$CPPFLAGS"
 497                         if test -n "${withval}" -a "${withval}" != "yes"; then
 498                                 if test -d "${withval}/lib"; then
 499                                         if test -n "${need_dash_r}"; then
 500                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 501                                         else
 502                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 503                                         fi
 504                                 else
 505                                         if test -n "${need_dash_r}"; then
 506                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 507                                         else
 508                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 509                                         fi
 510                                 fi
 511                                 if test -d "${withval}/include"; then
 512                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 513                                 else
 514                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 515                                 fi
 516                         fi
 517                         LIBWRAP="-lwrap"
 518                         LIBS="$LIBWRAP $LIBS"
 519                         AC_MSG_CHECKING(for libwrap)
 520                         AC_TRY_LINK(
 521                                 [
 522 #include <tcpd.h>
 523                                         int deny_severity = 0, allow_severity = 0;
 524                                 ],
 525                                 [hosts_access(0);],
 526                                 [
 527                                         AC_MSG_RESULT(yes)
 528                                         AC_DEFINE(LIBWRAP)
 529                                         AC_SUBST(LIBWRAP)
 530                                         TCPW_MSG="yes"
 531                                 ],
 532                                 [
 533                                         AC_MSG_ERROR([*** libwrap missing])
 534                                 ]
 535                         )
 536                         LIBS="$saved_LIBS"
 537                 fi
 538         ]
 539 )
 540
 541 dnl    Checks for library functions.
 542 AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_sa \
 543         clock fchmod fchown freeaddrinfo futimes gai_strerror \
 544         getaddrinfo getcwd getgrouplist getnameinfo getopt \
 545         getrlimit getrusage getttyent glob inet_aton inet_ntoa \
 546         inet_ntop innetgr login_getcapbool md5_crypt memmove \
 547         mkdtemp on_exit openpty readpassphrase realpath \
 548         rresvport_af setdtablesize setegid setenv seteuid \
 549         setlogin setproctitle setresgid setreuid setrlimit \
 550         setsid setvbuf sigaction sigvec snprintf strerror \
 551         strlcat strlcpy strmode strsep sysconf tcgetpgrp utimes \
 552         vhangup vsnprintf waitpid __b64_ntop _getpty)
 553
 554 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 555 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 556         AC_CHECK_LIB(gen, dirname,[
 557                 AC_CACHE_CHECK([for broken dirname],
 558                         ac_cv_have_broken_dirname, [
 559                         save_LIBS="$LIBS"
 560                         LIBS="$LIBS -lgen"
 561                         AC_TRY_RUN(
 562                                 [
 563 #include <libgen.h>
 564 #include <string.h>
 565
 566 int main(int argc, char **argv) {
 567     char *s, buf[32];
 568
 569     strncpy(buf,"/etc", 32);
 570     s = dirname(buf);
 571     if (!s || strncmp(s, "/", 32) != 0) {
 572         exit(1);
 573     } else {
 574         exit(0);
 575     }
 576 }
 577                                 ],
 578                                 [ ac_cv_have_broken_dirname="no" ],
 579                                 [ ac_cv_have_broken_dirname="yes" ]
 580                         )
 581                         LIBS="$save_LIBS"
 582                 ])
 583                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 584                         LIBS="$LIBS -lgen"
 585                         AC_DEFINE(HAVE_DIRNAME)
 586                         AC_CHECK_HEADERS(libgen.h)
 587                 fi
 588         ])
 589 ])
 590
 591 dnl    Checks for time functions
 592 AC_CHECK_FUNCS(gettimeofday time)
 593 dnl    Checks for utmp functions
 594 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 595 AC_CHECK_FUNCS(utmpname)
 596 dnl    Checks for utmpx functions
 597 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 598 AC_CHECK_FUNCS(setutxent utmpxname)
 599
 600 AC_CHECK_FUNC(getuserattr,
 601         [AC_DEFINE(HAVE_GETUSERATTR)],
 602         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 603 )
 604
 605 AC_CHECK_FUNC(daemon,
 606         [AC_DEFINE(HAVE_DAEMON)],
 607         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 608 )
 609
 610 AC_CHECK_FUNC(getpagesize,
 611         [AC_DEFINE(HAVE_GETPAGESIZE)],
 612         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 613 )
 614
 615 # Check for broken snprintf
 616 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 617         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 618         AC_TRY_RUN(
 619                 [
 620 #include <stdio.h>
 621 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 622                 ],
 623                 [AC_MSG_RESULT(yes)],
 624                 [
 625                         AC_MSG_RESULT(no)
 626                         AC_DEFINE(BROKEN_SNPRINTF)
 627                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 628                 ]
 629         )
 630 fi
 631
 632 AC_FUNC_GETPGRP
 633
 634 # Check for PAM libs
 635 PAM_MSG="no"
 636 AC_ARG_WITH(pam,
 637         [  --with-pam              Enable PAM support ],
 638         [
 639                 if test "x$withval" != "xno" ; then
 640                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 641                                 AC_MSG_ERROR([PAM headers not found])
 642                         fi
 643
 644                         AC_CHECK_LIB(dl, dlopen, , )
 645                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 646                         AC_CHECK_FUNCS(pam_getenvlist)
 647
 648                         disable_shadow=yes
 649                         PAM_MSG="yes"
 650
 651                         AC_DEFINE(USE_PAM)
 652                         if test $ac_cv_lib_dl_dlopen = yes; then
 653                                 LIBPAM="-lpam -ldl"
 654                         else
 655                                 LIBPAM="-lpam"
 656                         fi
 657                         AC_SUBST(LIBPAM)
 658                 fi
 659         ]
 660 )
 661
 662 # Check for older PAM
 663 if test "x$PAM_MSG" = "xyes" ; then
 664         # Check PAM strerror arguments (old PAM)
 665         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 666         AC_TRY_COMPILE(
 667                 [
 668 #include <stdlib.h>
 669 #include <security/pam_appl.h>
 670                 ],
 671                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 672                 [AC_MSG_RESULT(no)],
 673                 [
 674                         AC_DEFINE(HAVE_OLD_PAM)
 675                         AC_MSG_RESULT(yes)
 676                         PAM_MSG="yes (old library)"
 677                 ]
 678         )
 679 fi
 680
 681 # The big search for OpenSSL
 682 AC_ARG_WITH(ssl-dir,
 683         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 684         [
 685                 if test "x$withval" != "xno" ; then
 686                         tryssldir=$withval
 687                 fi
 688         ]
 689 )
 690
 691 saved_LIBS="$LIBS"
 692 saved_LDFLAGS="$LDFLAGS"
 693 saved_CPPFLAGS="$CPPFLAGS"
 694 if test "x$prefix" != "xNONE" ; then
 695         tryssldir="$tryssldir $prefix"
 696 fi
 697 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 698         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 699                 CPPFLAGS="$saved_CPPFLAGS"
 700                 LDFLAGS="$saved_LDFLAGS"
 701                 LIBS="$saved_LIBS -lcrypto"
 702
 703                 # Skip directories if they don't exist
 704                 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
 705                         continue;
 706                 fi
 707                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 708                         # Try to use $ssldir/lib if it exists, otherwise
 709                         # $ssldir
 710                         if test -d "$ssldir/lib" ; then
 711                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 712                                 if test ! -z "$need_dash_r" ; then
 713                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
 714                                 fi
 715                         else
 716                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
 717                                 if test ! -z "$need_dash_r" ; then
 718                                         LDFLAGS="-R$ssldir $LDFLAGS"
 719                                 fi
 720                         fi
 721                         # Try to use $ssldir/include if it exists, otherwise
 722                         # $ssldir
 723                         if test -d "$ssldir/include" ; then
 724                                 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 725                         else
 726                                 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 727                         fi
 728                 fi
 729
 730                 # Basic test to check for compatible version and correct linking
 731                 # *does not* test for RSA - that comes later.
 732                 AC_TRY_RUN(
 733                         [
 734 #include <string.h>
 735 #include <openssl/rand.h>
 736 int main(void)
 737 {
 738         char a[2048];
 739         memset(a, 0, sizeof(a));
 740         RAND_add(a, sizeof(a), sizeof(a));
 741         return(RAND_status() <= 0);
 742 }
 743                         ],
 744                         [
 745                                 found_crypto=1
 746                                 break;
 747                         ], []
 748                 )
 749
 750                 if test ! -z "$found_crypto" ; then
 751                         break;
 752                 fi
 753         done
 754
 755         if test -z "$found_crypto" ; then
 756                 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
 757         fi
 758         if test -z "$ssldir" ; then
 759                 ssldir="(system)"
 760         fi
 761
 762         ac_cv_openssldir=$ssldir
 763 ])
 764
 765 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 766         AC_DEFINE(HAVE_OPENSSL)
 767         dnl Need to recover ssldir - test above runs in subshell
 768         ssldir=$ac_cv_openssldir
 769         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 770                 # Try to use $ssldir/lib if it exists, otherwise
 771                 # $ssldir
 772                 if test -d "$ssldir/lib" ; then
 773                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 774                         if test ! -z "$need_dash_r" ; then
 775                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
 776                         fi
 777                 else
 778                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
 779                         if test ! -z "$need_dash_r" ; then
 780                                 LDFLAGS="-R$ssldir $LDFLAGS"
 781                         fi
 782                 fi
 783                 # Try to use $ssldir/include if it exists, otherwise
 784                 # $ssldir
 785                 if test -d "$ssldir/include" ; then
 786                         CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 787                 else
 788                         CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 789                 fi
 790         fi
 791 fi
 792 LIBS="$saved_LIBS -lcrypto"
 793
 794 # Now test RSA support
 795 saved_LIBS="$LIBS"
 796 AC_MSG_CHECKING([for RSA support])
 797 for WANTS_RSAREF in "" 1 ; do
 798         if test -z "$WANTS_RSAREF" ; then
 799                 LIBS="$saved_LIBS"
 800         else
 801                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 802         fi
 803         AC_TRY_RUN([
 804 #include <string.h>
 805 #include <openssl/rand.h>
 806 #include <openssl/rsa.h>
 807 #include <openssl/bn.h>
 808 #include <openssl/sha.h>
 809 int main(void)
 810 {
 811         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 812         unsigned char c[256], p[256];
 813         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 814         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 815         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 816         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 817 }
 818         ],
 819         [
 820                 rsa_works=1
 821                 break;
 822         ], [])
 823 done
 824 LIBS="$saved_LIBS"
 825
 826 if test ! -z "$no_rsa" ; then
 827         AC_MSG_RESULT(disabled)
 828         RSA_MSG="disabled"
 829 else
 830         if test -z "$rsa_works" ; then
 831                 AC_MSG_WARN([*** No RSA support found *** ])
 832                 RSA_MSG="no"
 833         else
 834                 if test -z "$WANTS_RSAREF" ; then
 835                         AC_MSG_RESULT(yes)
 836                         RSA_MSG="yes"
 837                 else
 838                         RSA_MSG="yes (using RSAref)"
 839                         AC_MSG_RESULT(using RSAref)
 840                         LIBS="$LIBS -lcrypto -lRSAglue -lrsaref"
 841                 fi
 842         fi
 843 fi
 844
 845 # Sanity check OpenSSL headers
 846 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
 847 AC_TRY_RUN(
 848         [
 849 #include <string.h>
 850 #include <openssl/opensslv.h>
 851 int main(void) { return(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
 852         ],
 853         [
 854                 AC_MSG_RESULT(yes)
 855         ],
 856         [
 857                 AC_MSG_RESULT(no)
 858                 AC_MSG_ERROR(Your OpenSSL headers do not match your library)
 859         ]
 860 )
 861
 862 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 863 # version in OpenSSL. Skip this for PAM
 864 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 865         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 866 fi
 867
 868
 869 ### Configure cryptographic random number support
 870
 871 # Check wheter OpenSSL seeds itself
 872 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
 873 AC_TRY_RUN(
 874         [
 875 #include <string.h>
 876 #include <openssl/rand.h>
 877 int main(void) { return(RAND_status() == 1 ? 0 : 1); }
 878         ],
 879         [
 880                 OPENSSL_SEEDS_ITSELF=yes
 881                 AC_MSG_RESULT(yes)
 882         ],
 883         [
 884                 AC_MSG_RESULT(no)
 885                 # Default to use of the rand helper if OpenSSL doesn't
 886                 # seed itself
 887                 USE_RAND_HELPER=yes
 888         ]
 889 )
 890
 891
 892 # Do we want to force the use of the rand helper?
 893 AC_ARG_WITH(rand-helper,
 894         [  --with-rand-helper      Use subprocess to gather strong randomness ],
 895         [
 896                 if test "x$withval" = "xno" ; then
 897                         # Force use of OpenSSL's internal RNG, even if
 898                         # the previous test showed it to be unseeded.
 899                         if test -z "$OPENSSL_SEEDS_ITSELF" ; then
 900                                 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
 901                                 OPENSSL_SEEDS_ITSELF=yes
 902                                 USE_RAND_HELPER=""
 903                         fi
 904                 else
 905                         USE_RAND_HELPER=yes
 906                 fi
 907         ],
 908 )
 909
 910 # Which randomness source do we use?
 911 if test ! -z "$OPENSSL_SEEDS_ITSELF" -a -z "$USE_RAND_HELPER" ; then
 912         # OpenSSL only
 913         AC_DEFINE(OPENSSL_PRNG_ONLY)
 914         RAND_MSG="OpenSSL internal ONLY"
 915         INSTALL_SSH_RAND_HELPER=""
 916 elif test ! -z "$USE_RAND_HELPER" ; then
 917         # install rand helper
 918         RAND_MSG="ssh-rand-helper"
 919         INSTALL_SSH_RAND_HELPER="yes"
 920 fi
 921 AC_SUBST(INSTALL_SSH_RAND_HELPER)
 922
 923 ### Configuration of ssh-rand-helper
 924
 925 # PRNGD TCP socket
 926 AC_ARG_WITH(prngd-port,
 927         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD TCP localhost:PORT],
 928         [
 929                 case "$withval" in
 930                 no)
 931                         withval=""
 932                         ;;
 933                 [[0-9]]*)
 934                         ;;
 935                 *)
 936                         AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
 937                         ;;
 938                 esac
 939                 if test ! -z "$withval" ; then
 940                         PRNGD_PORT="$withval"
 941                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
 942                 fi
 943         ]
 944 )
 945
 946 # PRNGD Unix domain socket
 947 AC_ARG_WITH(prngd-socket,
 948         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
 949         [
 950                 case "$withval" in
 951                 yes)
 952                         withval="/var/run/egd-pool"
 953                         ;;
 954                 no)
 955                         withval=""
 956                         ;;
 957                 /*)
 958                         ;;
 959                 *)
 960                         AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
 961                         ;;
 962                 esac
 963
 964                 if test ! -z "$withval" ; then
 965                         if test ! -z "$PRNGD_PORT" ; then
 966                                 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
 967                         fi
 968                         if test ! -r "$withval" ; then
 969                                 AC_MSG_WARN(Entropy socket is not readable)
 970                         fi
 971                         PRNGD_SOCKET="$withval"
 972                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
 973                 fi
 974         ],
 975         [
 976                 # Check for existing socket only if we don't have a random device already
 977                 if test "$USE_RAND_HELPER" = yes ; then
 978                         AC_MSG_CHECKING(for PRNGD/EGD socket)
 979                         # Insert other locations here
 980                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
 981                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
 982                                         PRNGD_SOCKET="$sock"
 983                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
 984                                         break;
 985                                 fi
 986                         done
 987                         if test ! -z "$PRNGD_SOCKET" ; then
 988                                 AC_MSG_RESULT($PRNGD_SOCKET)
 989                         else
 990                                 AC_MSG_RESULT(not found)
 991                         fi
 992                 fi
 993         ]
 994 )
 995
 996 # Change default command timeout for hashing entropy source
 997 entropy_timeout=200
 998 AC_ARG_WITH(entropy-timeout,
 999         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1000         [
1001                 if test "x$withval" != "xno" ; then
1002                         entropy_timeout=$withval
1003                 fi
1004         ]
1005 )
1006
1007 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1008
1009 # We do this little dance with the search path to insure
1010 # that programs that we select for use by installed programs
1011 # (which may be run by the super-user) come from trusted
1012 # locations before they come from the user's private area.
1013 # This should help avoid accidentally configuring some
1014 # random version of a program in someone's personal bin.
1015
1016 OPATH=$PATH
1017 PATH=/bin:/usr/bin
1018 /bin/test -L /bin && PATH=/usr/bin
1019 test -d /sbin && PATH=$PATH:/sbin
1020 test -d /usr/sbin && PATH=$PATH:/usr/sbin
1021 PATH=$PATH:/etc:$OPATH
1022
1023 # These programs are used by the command hashing source to gather entropy
1024 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1025 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1026 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1027 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1028 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
1029 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1030 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
1031 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1032 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1033 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1034 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1035 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1036 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1037 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1038 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1039 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1040 # restore PATH
1041 PATH=$OPATH
1042
1043 # Where does ssh-rand-helper get its randomness from?
1044 INSTALL_SSH_PRNG_CMDS=""
1045 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
1046         if test ! -z "$PRNGD_PORT" ; then
1047                 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
1048         elif test ! -z "$PRNGD_SOCKET" ; then
1049                 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
1050         else
1051                 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
1052                 RAND_HELPER_CMDHASH=yes
1053                 INSTALL_SSH_PRNG_CMDS="yes"
1054         fi
1055 fi
1056 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1057
1058
1059 # Cheap hack to ensure NEWS-OS libraries are arranged right.
1060 if test ! -z "$SONY" ; then
1061   LIBS="$LIBS -liberty";
1062 fi
1063
1064 # Checks for data types
1065 AC_CHECK_SIZEOF(char, 1)
1066 AC_CHECK_SIZEOF(short int, 2)
1067 AC_CHECK_SIZEOF(int, 4)
1068 AC_CHECK_SIZEOF(long int, 4)
1069 AC_CHECK_SIZEOF(long long int, 8)
1070
1071 # More checks for data types
1072 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
1073         AC_TRY_COMPILE(
1074                 [ #include <sys/types.h> ],
1075                 [ u_int a; a = 1;],
1076                 [ ac_cv_have_u_int="yes" ],
1077                 [ ac_cv_have_u_int="no" ]
1078         )
1079 ])
1080 if test "x$ac_cv_have_u_int" = "xyes" ; then
1081         AC_DEFINE(HAVE_U_INT)
1082         have_u_int=1
1083 fi
1084
1085 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
1086         AC_TRY_COMPILE(
1087                 [ #include <sys/types.h> ],
1088                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1089                 [ ac_cv_have_intxx_t="yes" ],
1090                 [ ac_cv_have_intxx_t="no" ]
1091         )
1092 ])
1093 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
1094         AC_DEFINE(HAVE_INTXX_T)
1095         have_intxx_t=1
1096 fi
1097
1098 if (test -z "$have_intxx_t" && \
1099            test "x$ac_cv_header_stdint_h" = "xyes")
1100 then
1101     AC_MSG_CHECKING([for intXX_t types in stdint.h])
1102         AC_TRY_COMPILE(
1103                 [ #include <stdint.h> ],
1104                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1105                 [
1106                         AC_DEFINE(HAVE_INTXX_T)
1107                         AC_MSG_RESULT(yes)
1108                 ],
1109                 [ AC_MSG_RESULT(no) ]
1110         )
1111 fi
1112
1113 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
1114         AC_TRY_COMPILE(
1115                 [ #include <sys/types.h> ],
1116                 [ int64_t a; a = 1;],
1117                 [ ac_cv_have_int64_t="yes" ],
1118                 [ ac_cv_have_int64_t="no" ]
1119         )
1120 ])
1121 if test "x$ac_cv_have_int64_t" = "xyes" ; then
1122         AC_DEFINE(HAVE_INT64_T)
1123         have_int64_t=1
1124 fi
1125
1126 if test -z "$have_int64_t" ; then
1127     AC_MSG_CHECKING([for int64_t type in sys/socket.h])
1128         AC_TRY_COMPILE(
1129                 [ #include <sys/socket.h> ],
1130                 [ int64_t a; a = 1],
1131                 [
1132                         AC_DEFINE(HAVE_INT64_T)
1133                         AC_MSG_RESULT(yes)
1134                 ],
1135                 [ AC_MSG_RESULT(no) ]
1136         )
1137 fi
1138
1139 if test -z "$have_int64_t" ; then
1140     AC_MSG_CHECKING([for int64_t type in sys/bitypes.h])
1141         AC_TRY_COMPILE(
1142                 [ #include <sys/bitypes.h> ],
1143                 [ int64_t a; a = 1],
1144                 [
1145                         AC_DEFINE(HAVE_INT64_T)
1146                         AC_MSG_RESULT(yes)
1147                 ],
1148                 [ AC_MSG_RESULT(no) ]
1149         )
1150 fi
1151
1152 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
1153         AC_TRY_COMPILE(
1154                 [ #include <sys/types.h> ],
1155                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1156                 [ ac_cv_have_u_intxx_t="yes" ],
1157                 [ ac_cv_have_u_intxx_t="no" ]
1158         )
1159 ])
1160 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
1161         AC_DEFINE(HAVE_U_INTXX_T)
1162         have_u_intxx_t=1
1163 fi
1164
1165 if test -z "$have_u_intxx_t" ; then
1166     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
1167         AC_TRY_COMPILE(
1168                 [ #include <sys/socket.h> ],
1169                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1170                 [
1171                         AC_DEFINE(HAVE_U_INTXX_T)
1172                         AC_MSG_RESULT(yes)
1173                 ],
1174                 [ AC_MSG_RESULT(no) ]
1175         )
1176 fi
1177
1178 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
1179         AC_TRY_COMPILE(
1180                 [ #include <sys/types.h> ],
1181                 [ u_int64_t a; a = 1;],
1182                 [ ac_cv_have_u_int64_t="yes" ],
1183                 [ ac_cv_have_u_int64_t="no" ]
1184         )
1185 ])
1186 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
1187         AC_DEFINE(HAVE_U_INT64_T)
1188         have_u_int64_t=1
1189 fi
1190
1191 if test -z "$have_u_int64_t" ; then
1192     AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
1193         AC_TRY_COMPILE(
1194                 [ #include <sys/bitypes.h> ],
1195                 [ u_int64_t a; a = 1],
1196                 [
1197                         AC_DEFINE(HAVE_U_INT64_T)
1198                         AC_MSG_RESULT(yes)
1199                 ],
1200                 [ AC_MSG_RESULT(no) ]
1201         )
1202 fi
1203
1204 if test -z "$have_u_intxx_t" ; then
1205         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
1206                 AC_TRY_COMPILE(
1207                         [
1208 #include <sys/types.h>
1209                         ],
1210                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
1211                         [ ac_cv_have_uintxx_t="yes" ],
1212                         [ ac_cv_have_uintxx_t="no" ]
1213                 )
1214         ])
1215         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
1216                 AC_DEFINE(HAVE_UINTXX_T)
1217         fi
1218 fi
1219
1220 if test -z "$have_uintxx_t" ; then
1221     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
1222         AC_TRY_COMPILE(
1223                 [ #include <stdint.h> ],
1224                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
1225                 [
1226                         AC_DEFINE(HAVE_UINTXX_T)
1227                         AC_MSG_RESULT(yes)
1228                 ],
1229                 [ AC_MSG_RESULT(no) ]
1230         )
1231 fi
1232
1233 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
1234            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
1235 then
1236         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
1237         AC_TRY_COMPILE(
1238                 [
1239 #include <sys/bitypes.h>
1240                 ],
1241                 [
1242                         int8_t a; int16_t b; int32_t c;
1243                         u_int8_t e; u_int16_t f; u_int32_t g;
1244                         a = b = c = e = f = g = 1;
1245                 ],
1246                 [
1247                         AC_DEFINE(HAVE_U_INTXX_T)
1248                         AC_DEFINE(HAVE_INTXX_T)
1249                         AC_MSG_RESULT(yes)
1250                 ],
1251                 [AC_MSG_RESULT(no)]
1252         )
1253 fi
1254
1255
1256 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
1257         AC_TRY_COMPILE(
1258                 [
1259 #include <sys/types.h>
1260                 ],
1261                 [ u_char foo; foo = 125; ],
1262                 [ ac_cv_have_u_char="yes" ],
1263                 [ ac_cv_have_u_char="no" ]
1264         )
1265 ])
1266 if test "x$ac_cv_have_u_char" = "xyes" ; then
1267         AC_DEFINE(HAVE_U_CHAR)
1268 fi
1269
1270 TYPE_SOCKLEN_T
1271
1272 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
1273
1274 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
1275         AC_TRY_COMPILE(
1276                 [
1277 #include <sys/types.h>
1278                 ],
1279                 [ size_t foo; foo = 1235; ],
1280                 [ ac_cv_have_size_t="yes" ],
1281                 [ ac_cv_have_size_t="no" ]
1282         )
1283 ])
1284 if test "x$ac_cv_have_size_t" = "xyes" ; then
1285         AC_DEFINE(HAVE_SIZE_T)
1286 fi
1287
1288 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
1289         AC_TRY_COMPILE(
1290                 [
1291 #include <sys/types.h>
1292                 ],
1293                 [ ssize_t foo; foo = 1235; ],
1294                 [ ac_cv_have_ssize_t="yes" ],
1295                 [ ac_cv_have_ssize_t="no" ]
1296         )
1297 ])
1298 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
1299         AC_DEFINE(HAVE_SSIZE_T)
1300 fi
1301
1302 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
1303         AC_TRY_COMPILE(
1304                 [
1305 #include <time.h>
1306                 ],
1307                 [ clock_t foo; foo = 1235; ],
1308                 [ ac_cv_have_clock_t="yes" ],
1309                 [ ac_cv_have_clock_t="no" ]
1310         )
1311 ])
1312 if test "x$ac_cv_have_clock_t" = "xyes" ; then
1313         AC_DEFINE(HAVE_CLOCK_T)
1314 fi
1315
1316 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
1317         AC_TRY_COMPILE(
1318                 [
1319 #include <sys/types.h>
1320 #include <sys/socket.h>
1321                 ],
1322                 [ sa_family_t foo; foo = 1235; ],
1323                 [ ac_cv_have_sa_family_t="yes" ],
1324                 [ AC_TRY_COMPILE(
1325                   [
1326 #include <sys/types.h>
1327 #include <sys/socket.h>
1328 #include <netinet/in.h>
1329                 ],
1330                 [ sa_family_t foo; foo = 1235; ],
1331                 [ ac_cv_have_sa_family_t="yes" ],
1332
1333                 [ ac_cv_have_sa_family_t="no" ]
1334         )]
1335         )
1336 ])
1337 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
1338         AC_DEFINE(HAVE_SA_FAMILY_T)
1339 fi
1340
1341 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
1342         AC_TRY_COMPILE(
1343                 [
1344 #include <sys/types.h>
1345                 ],
1346                 [ pid_t foo; foo = 1235; ],
1347                 [ ac_cv_have_pid_t="yes" ],
1348                 [ ac_cv_have_pid_t="no" ]
1349         )
1350 ])
1351 if test "x$ac_cv_have_pid_t" = "xyes" ; then
1352         AC_DEFINE(HAVE_PID_T)
1353 fi
1354
1355 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
1356         AC_TRY_COMPILE(
1357                 [
1358 #include <sys/types.h>
1359                 ],
1360                 [ mode_t foo; foo = 1235; ],
1361                 [ ac_cv_have_mode_t="yes" ],
1362                 [ ac_cv_have_mode_t="no" ]
1363         )
1364 ])
1365 if test "x$ac_cv_have_mode_t" = "xyes" ; then
1366         AC_DEFINE(HAVE_MODE_T)
1367 fi
1368
1369
1370 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
1371         AC_TRY_COMPILE(
1372                 [
1373 #include <sys/types.h>
1374 #include <sys/socket.h>
1375                 ],
1376                 [ struct sockaddr_storage s; ],
1377                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
1378                 [ ac_cv_have_struct_sockaddr_storage="no" ]
1379         )
1380 ])
1381 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
1382         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
1383 fi
1384
1385 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
1386         AC_TRY_COMPILE(
1387                 [
1388 #include <sys/types.h>
1389 #include <netinet/in.h>
1390                 ],
1391                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1392                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1393                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1394         )
1395 ])
1396 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1397         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1398 fi
1399
1400 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1401         AC_TRY_COMPILE(
1402                 [
1403 #include <sys/types.h>
1404 #include <netinet/in.h>
1405                 ],
1406                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1407                 [ ac_cv_have_struct_in6_addr="yes" ],
1408                 [ ac_cv_have_struct_in6_addr="no" ]
1409         )
1410 ])
1411 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1412         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1413 fi
1414
1415 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1416         AC_TRY_COMPILE(
1417                 [
1418 #include <sys/types.h>
1419 #include <sys/socket.h>
1420 #include <netdb.h>
1421                 ],
1422                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1423                 [ ac_cv_have_struct_addrinfo="yes" ],
1424                 [ ac_cv_have_struct_addrinfo="no" ]
1425         )
1426 ])
1427 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1428         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1429 fi
1430
1431 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1432         AC_TRY_COMPILE(
1433                 [ #include <sys/time.h> ],
1434                 [ struct timeval tv; tv.tv_sec = 1;],
1435                 [ ac_cv_have_struct_timeval="yes" ],
1436                 [ ac_cv_have_struct_timeval="no" ]
1437         )
1438 ])
1439 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1440         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1441         have_struct_timeval=1
1442 fi
1443
1444 # If we don't have int64_t then we can't compile sftp-server.  So don't
1445 # even attempt to do it.
1446 if test "x$ac_cv_have_int64_t" = "xno" -a \
1447         "x$ac_cv_sizeof_long_int" != "x8" -a \
1448         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1449         NO_SFTP='#'
1450 else
1451 dnl test snprintf (broken on SCO w/gcc)
1452         AC_TRY_RUN(
1453                 [
1454 #include <stdio.h>
1455 #include <string.h>
1456 #ifdef HAVE_SNPRINTF
1457 main()
1458 {
1459         char buf[50];
1460         char expected_out[50];
1461         int mazsize = 50 ;
1462 #if (SIZEOF_LONG_INT == 8)
1463         long int num = 0x7fffffffffffffff;
1464 #else
1465         long long num = 0x7fffffffffffffffll;
1466 #endif
1467         strcpy(expected_out, "9223372036854775807");
1468         snprintf(buf, mazsize, "%lld", num);
1469         if(strcmp(buf, expected_out) != 0)
1470                 exit(1);
1471         exit(0);
1472 }
1473 #else
1474 main() { exit(0); }
1475 #endif
1476                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1477         )
1478 fi
1479 AC_SUBST(NO_SFTP)
1480
1481 dnl Checks for structure members
1482 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1483 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1484 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1485 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1486 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1487 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1488 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1489 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1490 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1491 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1492 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1493 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1494 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1495 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1496 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1497 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1498 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1499
1500 AC_CHECK_MEMBERS([struct stat.st_blksize])
1501
1502 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1503                 ac_cv_have_ss_family_in_struct_ss, [
1504         AC_TRY_COMPILE(
1505                 [
1506 #include <sys/types.h>
1507 #include <sys/socket.h>
1508                 ],
1509                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1510                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1511                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1512         )
1513 ])
1514 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1515         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1516 fi
1517
1518 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1519                 ac_cv_have___ss_family_in_struct_ss, [
1520         AC_TRY_COMPILE(
1521                 [
1522 #include <sys/types.h>
1523 #include <sys/socket.h>
1524                 ],
1525                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1526                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1527                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1528         )
1529 ])
1530 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1531         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1532 fi
1533
1534 AC_CACHE_CHECK([for pw_class field in struct passwd],
1535                 ac_cv_have_pw_class_in_struct_passwd, [
1536         AC_TRY_COMPILE(
1537                 [
1538 #include <pwd.h>
1539                 ],
1540                 [ struct passwd p; p.pw_class = 0; ],
1541                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1542                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1543         )
1544 ])
1545 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1546         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1547 fi
1548
1549 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1550                 ac_cv_have_pw_expire_in_struct_passwd, [
1551         AC_TRY_COMPILE(
1552                 [
1553 #include <pwd.h>
1554                 ],
1555                 [ struct passwd p; p.pw_expire = 0; ],
1556                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1557                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1558         )
1559 ])
1560 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1561         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1562 fi
1563
1564 AC_CACHE_CHECK([for pw_change field in struct passwd],
1565                 ac_cv_have_pw_change_in_struct_passwd, [
1566         AC_TRY_COMPILE(
1567                 [
1568 #include <pwd.h>
1569                 ],
1570                 [ struct passwd p; p.pw_change = 0; ],
1571                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1572                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1573         )
1574 ])
1575 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1576         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1577 fi
1578
1579 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
1580                 ac_cv_have_accrights_in_msghdr, [
1581         AC_TRY_COMPILE(
1582                 [
1583 #include <sys/socket.h>
1584 #include <sys/uio.h>
1585                 ],
1586                 [ struct msghdr m; m.msg_accrights = 0; ],
1587                 [ ac_cv_have_accrights_in_msghdr="yes" ],
1588                 [ ac_cv_have_accrights_in_msghdr="no" ]
1589         )
1590 ])
1591 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
1592         AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
1593 fi
1594
1595 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1596         AC_TRY_LINK([],
1597                 [ extern char *__progname; printf("%s", __progname); ],
1598                 [ ac_cv_libc_defines___progname="yes" ],
1599                 [ ac_cv_libc_defines___progname="no" ]
1600         )
1601 ])
1602 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1603         AC_DEFINE(HAVE___PROGNAME)
1604 fi
1605
1606 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
1607         AC_TRY_LINK([
1608 #include <stdio.h>
1609 ],
1610                 [ printf("%s", __FUNCTION__); ],
1611                 [ ac_cv_cc_implements___FUNCTION__="yes" ],
1612                 [ ac_cv_cc_implements___FUNCTION__="no" ]
1613         )
1614 ])
1615 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
1616         AC_DEFINE(HAVE___FUNCTION__)
1617 fi
1618
1619 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
1620         AC_TRY_LINK([
1621 #include <stdio.h>
1622 ],
1623                 [ printf("%s", __func__); ],
1624                 [ ac_cv_cc_implements___func__="yes" ],
1625                 [ ac_cv_cc_implements___func__="no" ]
1626         )
1627 ])
1628 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
1629         AC_DEFINE(HAVE___func__)
1630 fi
1631
1632 AC_CACHE_CHECK([whether getopt has optreset support],
1633                 ac_cv_have_getopt_optreset, [
1634         AC_TRY_LINK(
1635                 [
1636 #include <getopt.h>
1637                 ],
1638                 [ extern int optreset; optreset = 0; ],
1639                 [ ac_cv_have_getopt_optreset="yes" ],
1640                 [ ac_cv_have_getopt_optreset="no" ]
1641         )
1642 ])
1643 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
1644         AC_DEFINE(HAVE_GETOPT_OPTRESET)
1645 fi
1646
1647 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1648         AC_TRY_LINK([],
1649                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1650                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1651                 [ ac_cv_libc_defines_sys_errlist="no" ]
1652         )
1653 ])
1654 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1655         AC_DEFINE(HAVE_SYS_ERRLIST)
1656 fi
1657
1658
1659 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1660         AC_TRY_LINK([],
1661                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1662                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1663                 [ ac_cv_libc_defines_sys_nerr="no" ]
1664         )
1665 ])
1666 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1667         AC_DEFINE(HAVE_SYS_NERR)
1668 fi
1669
1670
1671 # Check whether user wants Kerberos support
1672 SCARD_MSG="no"
1673 AC_ARG_WITH(smartcard,
1674         [  --with-smartcard        Enable smartcard support],
1675         [
1676                 if test "x$withval" != "xno" ; then
1677                         if test "x$withval" != "xyes" ; then
1678                                 CPPFLAGS="$CPPFLAGS -I${withval}"
1679                                 LDFLAGS="$LDFLAGS -L${withval}"
1680                                 if test ! -z "$need_dash_r" ; then
1681                                         LDFLAGS="$LDFLAGS -R${withval}"
1682                                 fi
1683                                 if test ! -z "$blibpath" ; then
1684                                         blibpath="$blibpath:${withval}"
1685                                 fi
1686                         fi
1687                         AC_CHECK_HEADERS(sectok.h)
1688                         if test "$ac_cv_header_sectok_h" != yes; then
1689                                 AC_MSG_ERROR(Can't find sectok.h)
1690                         fi
1691                         AC_CHECK_LIB(sectok, sectok_open)
1692                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
1693                                 AC_MSG_ERROR(Can't find libsectok)
1694                         fi
1695                         AC_DEFINE(SMARTCARD)
1696                         SCARD_MSG="yes"
1697                 fi
1698         ]
1699 )
1700
1701 # Check whether user wants Kerberos support
1702 KRB4_MSG="no"
1703 AC_ARG_WITH(kerberos4,
1704         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1705         [
1706                 if test "x$withval" != "xno" ; then
1707                         if test "x$withval" != "xyes" ; then
1708                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1709                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1710                                 if test ! -z "$need_dash_r" ; then
1711                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1712                                 fi
1713                                 if test ! -z "$blibpath" ; then
1714                                         blibpath="$blibpath:${withval}/lib"
1715                                 fi
1716                         else
1717                                 if test -d /usr/include/kerberosIV ; then
1718                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1719                                 fi
1720                         fi
1721
1722                         AC_CHECK_HEADERS(krb.h)
1723                         if test "$ac_cv_header_krb_h" != yes; then
1724                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1725                         fi
1726                         AC_CHECK_LIB(krb, main)
1727                         if test "$ac_cv_lib_krb_main" != yes; then
1728                                 AC_CHECK_LIB(krb4, main)
1729                                 if test "$ac_cv_lib_krb4_main" != yes; then
1730                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
1731                                 else
1732                                         KLIBS="-lkrb4"
1733                                 fi
1734                         else
1735                                 KLIBS="-lkrb"
1736                         fi
1737                         AC_CHECK_LIB(des, des_cbc_encrypt)
1738                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
1739                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
1740                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
1741                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
1742                                 else
1743                                         KLIBS="-ldes425"
1744                                 fi
1745                         else
1746                                 KLIBS="-ldes"
1747                         fi
1748                         AC_CHECK_LIB(resolv, dn_expand, , )
1749                         KRB4=yes
1750                         KRB4_MSG="yes"
1751                         AC_DEFINE(KRB4)
1752                 fi
1753         ]
1754 )
1755
1756 # Check whether user wants AFS support
1757 AFS_MSG="no"
1758 AC_ARG_WITH(afs,
1759         [  --with-afs=PATH         Enable AFS support],
1760         [
1761                 if test "x$withval" != "xno" ; then
1762
1763                         if test "x$withval" != "xyes" ; then
1764                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1765                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1766                         fi
1767
1768                         if test -z "$KRB4" ; then
1769                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1770                         fi
1771
1772                         LIBS="-lkafs $LIBS"
1773                         if test ! -z "$AFS_LIBS" ; then
1774                                 LIBS="$LIBS $AFS_LIBS"
1775                         fi
1776                         AC_DEFINE(AFS)
1777                         AFS_MSG="yes"
1778                 fi
1779         ]
1780 )
1781 LIBS="$LIBS $KLIBS"
1782
1783 # Looking for programs, paths and files
1784 AC_ARG_WITH(rsh,
1785         [  --with-rsh=PATH         Specify path to remote shell program ],
1786         [
1787                 if test "x$withval" != "$no" ; then
1788                         rsh_path=$withval
1789                 fi
1790         ],
1791         [
1792                 AC_PATH_PROG(rsh_path, rsh)
1793         ]
1794 )
1795
1796 AC_ARG_WITH(xauth,
1797         [  --with-xauth=PATH       Specify path to xauth program ],
1798         [
1799                 if test "x$withval" != "xno" ; then
1800                         xauth_path=$withval
1801                 fi
1802         ],
1803         [
1804                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1805                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1806                         xauth_path="/usr/openwin/bin/xauth"
1807                 fi
1808         ]
1809 )
1810
1811 if test -z "$xauth_path" ; then
1812         XAUTH_PATH="undefined"
1813         AC_SUBST(XAUTH_PATH)
1814 else
1815         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1816         XAUTH_PATH=$xauth_path
1817         AC_SUBST(XAUTH_PATH)
1818 fi
1819 if test ! -z "$rsh_path" ; then
1820         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
1821 fi
1822
1823 # Check for mail directory (last resort if we cannot get it from headers)
1824 if test ! -z "$MAIL" ; then
1825         maildir=`dirname $MAIL`
1826         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1827 fi
1828
1829 if test -z "$no_dev_ptmx" ; then
1830         AC_CHECK_FILE("/dev/ptmx",
1831                 [
1832                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1833                         have_dev_ptmx=1
1834                 ]
1835         )
1836 fi
1837 AC_CHECK_FILE("/dev/ptc",
1838         [
1839                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1840                 have_dev_ptc=1
1841         ]
1842 )
1843
1844 # Options from here on. Some of these are preset by platform above
1845 AC_ARG_WITH(mantype,
1846         [  --with-mantype=man|cat|doc  Set man page type],
1847         [
1848                 case "$withval" in
1849                 man|cat|doc)
1850                         MANTYPE=$withval
1851                         ;;
1852                 *)
1853                         AC_MSG_ERROR(invalid man type: $withval)
1854                         ;;
1855                 esac
1856         ]
1857 )
1858 if test -z "$MANTYPE"; then
1859         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, /usr/bin:/usr/ucb)
1860         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
1861                 MANTYPE=doc
1862         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
1863                 MANTYPE=man
1864         else
1865                 MANTYPE=cat
1866         fi
1867 fi
1868 AC_SUBST(MANTYPE)
1869 if test "$MANTYPE" = "doc"; then
1870         mansubdir=man;
1871 else
1872         mansubdir=$MANTYPE;
1873 fi
1874 AC_SUBST(mansubdir)
1875
1876 # Check whether to enable MD5 passwords
1877 MD5_MSG="no"
1878 AC_ARG_WITH(md5-passwords,
1879         [  --with-md5-passwords    Enable use of MD5 passwords],
1880         [
1881                 if test "x$withval" != "xno" ; then
1882                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1883                         MD5_MSG="yes"
1884                 fi
1885         ]
1886 )
1887
1888 # Whether to disable shadow password support
1889 AC_ARG_WITH(shadow,
1890         [  --without-shadow        Disable shadow password support],
1891         [
1892                 if test "x$withval" = "xno" ; then
1893                         AC_DEFINE(DISABLE_SHADOW)
1894                         disable_shadow=yes
1895                 fi
1896         ]
1897 )
1898
1899 if test -z "$disable_shadow" ; then
1900         AC_MSG_CHECKING([if the systems has expire shadow information])
1901         AC_TRY_COMPILE(
1902         [
1903 #include <sys/types.h>
1904 #include <shadow.h>
1905         struct spwd sp;
1906         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1907         [ sp_expire_available=yes ], []
1908         )
1909
1910         if test "x$sp_expire_available" = "xyes" ; then
1911                 AC_MSG_RESULT(yes)
1912                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1913         else
1914                 AC_MSG_RESULT(no)
1915         fi
1916 fi
1917
1918 # Use ip address instead of hostname in $DISPLAY
1919 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1920         DISPLAY_HACK_MSG="yes"
1921         AC_DEFINE(IPADDR_IN_DISPLAY)
1922 else
1923         DISPLAY_HACK_MSG="no"
1924         AC_ARG_WITH(ipaddr-display,
1925                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1926                 [
1927                         if test "x$withval" != "xno" ; then
1928                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1929                                 DISPLAY_HACK_MSG="yes"
1930                         fi
1931                 ]
1932         )
1933 fi
1934
1935 # Whether to mess with the default path
1936 SERVER_PATH_MSG="(default)"
1937 AC_ARG_WITH(default-path,
1938         [  --with-default-path=PATH Specify default \$PATH environment for server],
1939         [
1940                 if test "x$withval" != "xno" ; then
1941                         user_path="$withval"
1942                         SERVER_PATH_MSG="$withval"
1943                 fi
1944         ],
1945         [
1946         AC_TRY_RUN(
1947                 [
1948 /* find out what STDPATH is */
1949 #include <stdio.h>
1950 #ifdef HAVE_PATHS_H
1951 # include <paths.h>
1952 #endif
1953 #ifndef _PATH_STDPATH
1954 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
1955 #endif
1956 #include <sys/types.h>
1957 #include <sys/stat.h>
1958 #include <fcntl.h>
1959 #define DATA "conftest.stdpath"
1960
1961 main()
1962 {
1963         FILE *fd;
1964         int rc;
1965
1966         fd = fopen(DATA,"w");
1967         if(fd == NULL)
1968                 exit(1);
1969
1970         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
1971                 exit(1);
1972
1973         exit(0);
1974 }
1975                 ], [ user_path=`cat conftest.stdpath` ],
1976                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
1977                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
1978         )
1979 # make sure $bindir is in USER_PATH so scp will work
1980                 t_bindir=`eval echo ${bindir}`
1981                 case $t_bindir in
1982                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
1983                 esac
1984                 case $t_bindir in
1985                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
1986                 esac
1987                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
1988                 if test $? -ne 0  ; then
1989                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
1990                         if test $? -ne 0  ; then
1991                                 user_path=$user_path:$t_bindir
1992                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
1993                         fi
1994                 fi
1995         ]
1996 )
1997 AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
1998 AC_SUBST(user_path)
1999
2000 # Whether to force IPv4 by default (needed on broken glibc Linux)
2001 IPV4_HACK_MSG="no"
2002 AC_ARG_WITH(ipv4-default,
2003         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
2004         [
2005                 if test "x$withval" != "xno" ; then
2006                         AC_DEFINE(IPV4_DEFAULT)
2007                         IPV4_HACK_MSG="yes"
2008                 fi
2009         ]
2010 )
2011
2012 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
2013 IPV4_IN6_HACK_MSG="no"
2014 AC_ARG_WITH(4in6,
2015         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
2016         [
2017                 if test "x$withval" != "xno" ; then
2018                         AC_MSG_RESULT(yes)
2019                         AC_DEFINE(IPV4_IN_IPV6)
2020                         IPV4_IN6_HACK_MSG="yes"
2021                 else
2022                         AC_MSG_RESULT(no)
2023                 fi
2024         ],[
2025                 if test "x$inet6_default_4in6" = "xyes"; then
2026                         AC_MSG_RESULT([yes (default)])
2027                         AC_DEFINE(IPV4_IN_IPV6)
2028                         IPV4_IN6_HACK_MSG="yes"
2029                 else
2030                         AC_MSG_RESULT([no (default)])
2031                 fi
2032         ]
2033 )
2034
2035 # Whether to enable BSD auth support
2036 BSD_AUTH_MSG=no
2037 AC_ARG_WITH(bsd-auth,
2038         [  --with-bsd-auth         Enable BSD auth support],
2039         [
2040                 if test "x$withval" != "xno" ; then
2041                         AC_DEFINE(BSD_AUTH)
2042                         BSD_AUTH_MSG=yes
2043                 fi
2044         ]
2045 )
2046
2047 AC_MSG_CHECKING(whether to install ssh as suid root)
2048 AC_ARG_ENABLE(suid-ssh,
2049 [  --enable-suid-ssh       Install ssh as suid root (default)
2050   --disable-suid-ssh      Install ssh without suid bit],
2051 [ case "$enableval" in
2052   no)
2053        AC_MSG_RESULT(no)
2054        SSHMODE=0711
2055        ;;
2056   *)   AC_MSG_RESULT(yes)
2057        SSHMODE=4711
2058        ;;
2059   esac ],
2060   AC_MSG_RESULT(yes)
2061   SSHMODE=4711
2062 )
2063 AC_SUBST(SSHMODE)
2064
2065
2066 # Where to place sshd.pid
2067 piddir=/var/run
2068 # make sure the directory exists
2069 if test ! -d $piddir ; then
2070         piddir=`eval echo ${sysconfdir}`
2071         case $piddir in
2072                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
2073         esac
2074 fi
2075
2076 AC_ARG_WITH(pid-dir,
2077         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
2078         [
2079                 if test "x$withval" != "xno" ; then
2080                         piddir=$withval
2081                         if test ! -d $piddir ; then
2082                         AC_MSG_WARN([** no $piddir directory on this system **])
2083                         fi
2084                 fi
2085         ]
2086 )
2087
2088 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
2089 AC_SUBST(piddir)
2090
2091 dnl allow user to disable some login recording features
2092 AC_ARG_ENABLE(lastlog,
2093         [  --disable-lastlog       disable use of lastlog even if detected [no]],
2094         [ AC_DEFINE(DISABLE_LASTLOG) ]
2095 )
2096 AC_ARG_ENABLE(utmp,
2097         [  --disable-utmp          disable use of utmp even if detected [no]],
2098         [ AC_DEFINE(DISABLE_UTMP) ]
2099 )
2100 AC_ARG_ENABLE(utmpx,
2101         [  --disable-utmpx         disable use of utmpx even if detected [no]],
2102         [ AC_DEFINE(DISABLE_UTMPX) ]
2103 )
2104 AC_ARG_ENABLE(wtmp,
2105         [  --disable-wtmp          disable use of wtmp even if detected [no]],
2106         [ AC_DEFINE(DISABLE_WTMP) ]
2107 )
2108 AC_ARG_ENABLE(wtmpx,
2109         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
2110         [ AC_DEFINE(DISABLE_WTMPX) ]
2111 )
2112 AC_ARG_ENABLE(libutil,
2113         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
2114         [ AC_DEFINE(DISABLE_LOGIN) ]
2115 )
2116 AC_ARG_ENABLE(pututline,
2117         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
2118         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
2119 )
2120 AC_ARG_ENABLE(pututxline,
2121         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
2122         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
2123 )
2124 AC_ARG_WITH(lastlog,
2125   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
2126         [
2127                 if test "x$withval" = "xno" ; then
2128                         AC_DEFINE(DISABLE_LASTLOG)
2129                 else
2130                         conf_lastlog_location=$withval
2131                 fi
2132         ]
2133 )
2134
2135 dnl lastlog, [uw]tmpx? detection
2136 dnl  NOTE: set the paths in the platform section to avoid the
2137 dnl   need for command-line parameters
2138 dnl lastlog and [uw]tmp are subject to a file search if all else fails
2139
2140 dnl lastlog detection
2141 dnl  NOTE: the code itself will detect if lastlog is a directory
2142 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
2143 AC_TRY_COMPILE([
2144 #include <sys/types.h>
2145 #include <utmp.h>
2146 #ifdef HAVE_LASTLOG_H
2147 #  include <lastlog.h>
2148 #endif
2149 #ifdef HAVE_PATHS_H
2150 #  include <paths.h>
2151 #endif
2152 #ifdef HAVE_LOGIN_H
2153 # include <login.h>
2154 #endif
2155         ],
2156         [ char *lastlog = LASTLOG_FILE; ],
2157         [ AC_MSG_RESULT(yes) ],
2158         [
2159                 AC_MSG_RESULT(no)
2160                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
2161                 AC_TRY_COMPILE([
2162 #include <sys/types.h>
2163 #include <utmp.h>
2164 #ifdef HAVE_LASTLOG_H
2165 #  include <lastlog.h>
2166 #endif
2167 #ifdef HAVE_PATHS_H
2168 #  include <paths.h>
2169 #endif
2170                 ],
2171                 [ char *lastlog = _PATH_LASTLOG; ],
2172                 [ AC_MSG_RESULT(yes) ],
2173                 [
2174                         AC_MSG_RESULT(no)
2175                         system_lastlog_path=no
2176                 ])
2177         ]
2178 )
2179
2180 if test -z "$conf_lastlog_location"; then
2181         if test x"$system_lastlog_path" = x"no" ; then
2182                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
2183                                 if (test -d "$f" || test -f "$f") ; then
2184                                         conf_lastlog_location=$f
2185                                 fi
2186                 done
2187                 if test -z "$conf_lastlog_location"; then
2188                         AC_MSG_WARN([** Cannot find lastlog **])
2189                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
2190                 fi
2191         fi
2192 fi
2193
2194 if test -n "$conf_lastlog_location"; then
2195         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
2196 fi
2197
2198 dnl utmp detection
2199 AC_MSG_CHECKING([if your system defines UTMP_FILE])
2200 AC_TRY_COMPILE([
2201 #include <sys/types.h>
2202 #include <utmp.h>
2203 #ifdef HAVE_PATHS_H
2204 #  include <paths.h>
2205 #endif
2206         ],
2207         [ char *utmp = UTMP_FILE; ],
2208         [ AC_MSG_RESULT(yes) ],
2209         [ AC_MSG_RESULT(no)
2210           system_utmp_path=no ]
2211 )
2212 if test -z "$conf_utmp_location"; then
2213         if test x"$system_utmp_path" = x"no" ; then
2214                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
2215                         if test -f $f ; then
2216                                 conf_utmp_location=$f
2217                         fi
2218                 done
2219                 if test -z "$conf_utmp_location"; then
2220                         AC_DEFINE(DISABLE_UTMP)
2221                 fi
2222         fi
2223 fi
2224 if test -n "$conf_utmp_location"; then
2225         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
2226 fi
2227
2228 dnl wtmp detection
2229 AC_MSG_CHECKING([if your system defines WTMP_FILE])
2230 AC_TRY_COMPILE([
2231 #include <sys/types.h>
2232 #include <utmp.h>
2233 #ifdef HAVE_PATHS_H
2234 #  include <paths.h>
2235 #endif
2236         ],
2237         [ char *wtmp = WTMP_FILE; ],
2238         [ AC_MSG_RESULT(yes) ],
2239         [ AC_MSG_RESULT(no)
2240           system_wtmp_path=no ]
2241 )
2242 if test -z "$conf_wtmp_location"; then
2243         if test x"$system_wtmp_path" = x"no" ; then
2244                 for f in /usr/adm/wtmp /var/log/wtmp; do
2245                         if test -f $f ; then
2246                                 conf_wtmp_location=$f
2247                         fi
2248                 done
2249                 if test -z "$conf_wtmp_location"; then
2250                         AC_DEFINE(DISABLE_WTMP)
2251                 fi
2252         fi
2253 fi
2254 if test -n "$conf_wtmp_location"; then
2255         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
2256 fi
2257
2258
2259 dnl utmpx detection - I don't know any system so perverse as to require
2260 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
2261 dnl  there, though.
2262 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
2263 AC_TRY_COMPILE([
2264 #include <sys/types.h>
2265 #include <utmp.h>
2266 #ifdef HAVE_UTMPX_H
2267 #include <utmpx.h>
2268 #endif
2269 #ifdef HAVE_PATHS_H
2270 #  include <paths.h>
2271 #endif
2272         ],
2273         [ char *utmpx = UTMPX_FILE; ],
2274         [ AC_MSG_RESULT(yes) ],
2275         [ AC_MSG_RESULT(no)
2276           system_utmpx_path=no ]
2277 )
2278 if test -z "$conf_utmpx_location"; then
2279         if test x"$system_utmpx_path" = x"no" ; then
2280                 AC_DEFINE(DISABLE_UTMPX)
2281         fi
2282 else
2283         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
2284 fi
2285
2286 dnl wtmpx detection
2287 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
2288 AC_TRY_COMPILE([
2289 #include <sys/types.h>
2290 #include <utmp.h>
2291 #ifdef HAVE_UTMPX_H
2292 #include <utmpx.h>
2293 #endif
2294 #ifdef HAVE_PATHS_H
2295 #  include <paths.h>
2296 #endif
2297         ],
2298         [ char *wtmpx = WTMPX_FILE; ],
2299         [ AC_MSG_RESULT(yes) ],
2300         [ AC_MSG_RESULT(no)
2301           system_wtmpx_path=no ]
2302 )
2303 if test -z "$conf_wtmpx_location"; then
2304         if test x"$system_wtmpx_path" = x"no" ; then
2305                 AC_DEFINE(DISABLE_WTMPX)
2306         fi
2307 else
2308         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
2309 fi
2310
2311
2312 if test ! -z "$blibpath" ; then
2313         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
2314         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
2315 fi
2316
2317 dnl remove pam and dl because they are in $LIBPAM
2318 if test "$PAM_MSG" = yes ; then
2319         LIBS=`echo $LIBS | sed 's/-lpam //'`
2320 fi
2321 if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
2322         LIBS=`echo $LIBS | sed 's/-ldl //'`
2323 fi
2324
2325 AC_EXEEXT
2326 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
2327 AC_OUTPUT
2328
2329 # Print summary of options
2330
2331 # Someone please show me a better way :)
2332 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
2333 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
2334 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
2335 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
2336 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
2337 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
2338 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
2339 H=`eval echo ${user_path}` ; H=`eval echo ${H}`
2340
2341 echo ""
2342 echo "OpenSSH has been configured with the following options:"
2343 echo "                 User binaries: $B"
2344 echo "               System binaries: $C"
2345 echo "           Configuration files: $D"
2346 echo "               Askpass program: $E"
2347 echo "                  Manual pages: $F"
2348 echo "                      PID file: $G"
2349 echo "        sshd default user PATH: $H"
2350 echo "                Manpage format: $MANTYPE"
2351 echo "                   PAM support: ${PAM_MSG}"
2352 echo "            KerberosIV support: $KRB4_MSG"
2353 echo "             Smartcard support: $SCARD_MSG"
2354 echo "                   AFS support: $AFS_MSG"
2355 echo "                 S/KEY support: $SKEY_MSG"
2356 echo "          TCP Wrappers support: $TCPW_MSG"
2357 echo "          MD5 password support: $MD5_MSG"
2358 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
2359 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
2360 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
2361 echo "              BSD Auth support: $BSD_AUTH_MSG"
2362 echo "          Random number source: $RAND_MSG"
2363 if test ! -z "$USE_RAND_HELPER" ; then
2364         echo " ssh-rand-helper collects from: $RAND_HELPER_MSG"
2365 fi
2366
2367 echo ""
2368
2369 echo "              Host: ${host}"
2370 echo "          Compiler: ${CC}"
2371 echo "    Compiler flags: ${CFLAGS}"
2372 echo "Preprocessor flags: ${CPPFLAGS}"
2373 echo "      Linker flags: ${LDFLAGS}"
2374 echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
2375
2376 echo ""
2377
2378 if test "x$PAM_MSG" = "xyes" ; then
2379         echo "PAM is enabled. You may need to install a PAM control file "
2380         echo "for sshd, otherwise password authentication may fail. "
2381         echo "Example PAM control files can be found in the contrib/ "
2382         echo "subdirectory"
2383         echo ""
2384 fi
2385
2386 if test ! -z "$NO_SFTP"; then
2387         echo "sftp-server will be disabled.  Your compiler does not "
2388         echo "support 64bit integers."
2389         echo ""
2390 fi
2391
2392 if test ! -z "$RAND_HELPER_CMDHASH" ; then
2393         echo "WARNING: you are using the builtin random number collection "
2394         echo "service. Please read WARNING.RNG and request that your OS "
2395         echo "vendor includes kernel-based random number collection in "
2396         echo "future versions of your OS."
2397         echo ""
2398 fi
2399