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