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