configure.in

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