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='$(CATMAN)'
  55         mansubdir=cat
  56         ;;
  57 *-*-hpux10*)
  58         if test -z "$GCC"; then
  59                 CFLAGS="$CFLAGS -Ae"
  60         fi
  61         CFLAGS="$CFLAGS -D_HPUX_SOURCE"
  62         IPADDR_IN_DISPLAY=yes
  63         AC_DEFINE(USE_PIPES)
  64         AC_MSG_CHECKING(for HPUX trusted system password database)
  65         if test -f /tcb/files/auth/system/default; then
  66                 AC_MSG_RESULT(yes)
  67                 AC_DEFINE(HAVE_HPUX_TRUSTED_SYSTEM_PW)
  68                 LIBS="$LIBS -lsec"
  69                 AC_MSG_WARN([This configuration is untested])
  70         else
  71                 AC_MSG_RESULT(no)
  72                 AC_DEFINE(DISABLE_SHADOW)
  73         fi
  74         MANTYPE='$(CATMAN)'
  75         mansubdir=cat
  76         ;;
  77 *-*-hpux11*)
  78         CFLAGS="$CFLAGS -D_HPUX_SOURCE"
  79         IPADDR_IN_DISPLAY=yes
  80         AC_DEFINE(USE_PIPES)
  81         AC_MSG_CHECKING(for HPUX trusted system password database)
  82         if test -f /tcb/files/auth/system/default; then
  83                 AC_MSG_RESULT(yes)
  84                 AC_DEFINE(HAVE_HPUX_TRUSTED_SYSTEM_PW)
  85                 LIBS="$LIBS -lsec"
  86                 AC_MSG_WARN([This configuration is untested])
  87         else
  88                 AC_MSG_RESULT(no)
  89                 AC_DEFINE(DISABLE_SHADOW)
  90         fi
  91         MANTYPE='$(CATMAN)'
  92         mansubdir=cat
  93         ;;
  94 *-*-irix5*)
  95         CFLAGS="$CFLAGS -I/usr/local/include"
  96         LDFLAGS="$LDFLAGS"
  97         MANTYPE='$(CATMAN)'
  98         no_libsocket=1
  99         no_libnsl=1
 100         AC_DEFINE(BROKEN_INET_NTOA)
 101         ;;
 102 *-*-irix6*)
 103         CFLAGS="$CFLAGS -I/usr/local/include"
 104         LDFLAGS="$LDFLAGS"
 105         MANTYPE='$(CATMAN)'
 106         AC_DEFINE(WITH_IRIX_ARRAY)
 107         AC_DEFINE(WITH_IRIX_PROJECT)
 108         AC_DEFINE(WITH_IRIX_AUDIT)
 109         no_libsocket=1
 110         no_libnsl=1
 111         AC_DEFINE(BROKEN_INET_NTOA)
 112         ;;
 113 *-*-linux*)
 114         no_dev_ptmx=1
 115         AC_DEFINE(DONT_TRY_OTHER_AF)
 116         AC_DEFINE(PAM_TTY_KLUDGE)
 117         inet6_default_4in6=yes
 118         ;;
 119 *-*-netbsd*)
 120         need_dash_r=1
 121         ;;
 122 *-next-*)
 123         conf_lastlog_location="/usr/adm/lastlog"
 124         conf_utmp_location=/etc/utmp
 125         conf_wtmp_location=/usr/adm/wtmp
 126         MAIL=/usr/spool/mail
 127         AC_DEFINE(HAVE_NEXT)
 128         CFLAGS="$CFLAGS -I/usr/local/include"
 129         ;;
 130 *-*-solaris*)
 131         CFLAGS="$CFLAGS -I/usr/local/include"
 132         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib -L/usr/ucblib -R/usr/ucblib"
 133         need_dash_r=1
 134         # hardwire lastlog location (can't detect it on some versions)
 135         conf_lastlog_location="/var/adm/lastlog"
 136         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 137         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 138         if test "$sol2ver" -ge 8; then
 139                 AC_MSG_RESULT(yes)
 140                 AC_DEFINE(DISABLE_UTMP)
 141                 AC_DEFINE(DISABLE_WTMP)
 142         else
 143                 AC_MSG_RESULT(no)
 144         fi
 145         ;;
 146 *-*-sunos4*)
 147         CFLAGS="$CFLAGS -DSUNOS4"
 148         AC_CHECK_FUNCS(getpwanam)
 149         conf_utmp_location=/etc/utmp
 150         conf_wtmp_location=/var/adm/wtmp
 151         conf_lastlog_location=/var/adm/lastlog
 152         AC_DEFINE(USE_PIPES)
 153         MANTYPE='$(CATMAN)'
 154         mansubdir=cat
 155         ;;
 156 *-sni-sysv*)
 157         CFLAGS="$CFLAGS -I/usr/local/include"
 158         LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/ucblib"
 159         MANTYPE='$(CATMAN)'
 160         AC_DEFINE(IP_TOS_IS_BROKEN)
 161         mansubdir=cat
 162         LIBS="$LIBS -lgen -lnsl -lucb"
 163         ;;
 164 *-*-sysv*)
 165         CFLAGS="$CFLAGS -I/usr/local/include"
 166         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 167         MANTYPE='$(CATMAN)'
 168         mansubdir=cat
 169         LIBS="$LIBS -lgen -lsocket"
 170         ;;
 171 *-*-sco3*)
 172         AC_DEFINE(USE_PIPES)
 173         CFLAGS="$CFLAGS -I/usr/local/include"
 174         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 175         MANTYPE='$(CATMAN)'
 176         mansubdir=cat
 177         LIBS="$LIBS -lgen -lsocket"
 178         no_dev_ptmx=1
 179         ;;
 180 *-dec-osf*)
 181 # This is untested
 182         if test ! -z "USE_SIA" ; then
 183                 AC_MSG_CHECKING(for Digital Unix Security Integration Architecture)
 184                 if test -f /etc/sia/matrix.conf; then
 185                         AC_MSG_RESULT(yes)
 186                         AC_DEFINE(HAVE_OSF_SIA)
 187                         AC_DEFINE(DISABLE_LOGIN)
 188                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 189                 else
 190                         AC_MSG_RESULT(no)
 191                 fi
 192         fi
 193         ;;
 194 esac
 195
 196 # Allow user to specify flags
 197 AC_ARG_WITH(cflags,
 198         [  --with-cflags           Specify additional flags to pass to compiler],
 199         [
 200                 if test "x$withval" != "xno" ; then
 201                         CFLAGS="$CFLAGS $withval"
 202                 fi
 203         ]
 204 )
 205 AC_ARG_WITH(ldflags,
 206         [  --with-ldlags           Specify additional flags to pass to linker],
 207         [
 208                 if test "x$withval" != "xno" ; then
 209                         LDFLAGS="$LDFLAGS $withval"
 210                 fi
 211         ]
 212 )
 213 AC_ARG_WITH(libs,
 214         [  --with-libs             Specify additional libraries to link with],
 215         [
 216                 if test "x$withval" != "xno" ; then
 217                         LIBS="$LIBS $withval"
 218                 fi
 219         ]
 220 )
 221
 222
 223 # Checks for libraries.
 224 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first ***]))
 225 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
 226
 227 if test -z "$no_libsocket" ; then
 228         AC_CHECK_LIB(nsl, yp_match, , )
 229 fi
 230 if test -z "$no_libnsl" ; then
 231         AC_CHECK_LIB(socket, main, , )
 232 fi
 233
 234 # Checks for header files.
 235 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)
 236
 237 dnl    Checks for library functions.
 238 AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_af clock freeaddrinfo 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)
 239 dnl    Checks for time functions
 240 AC_CHECK_FUNCS(gettimeofday time)
 241 dnl    Checks for libutil functions
 242 AC_CHECK_FUNCS(login logout updwtmp logwtmp)
 243 dnl    Checks for utmp functions
 244 AC_CHECK_FUNCS(entutent getutent getutid getutline pututline setutent)
 245 AC_CHECK_FUNCS(utmpname)
 246 dnl    Checks for utmpx functions
 247 AC_CHECK_FUNCS(entutxent getutxent getutxid getutxline pututxline )
 248 AC_CHECK_FUNCS(setutxent utmpxname)
 249
 250 AC_CHECK_FUNC(getuserattr,
 251         [AC_DEFINE(HAVE_GETUSERATTR)],
 252         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 253 )
 254
 255 AC_CHECK_FUNC(login,
 256         [AC_DEFINE(HAVE_LOGIN)],
 257         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
 258 )
 259
 260 AC_CHECK_FUNC(daemon,
 261         [AC_DEFINE(HAVE_DAEMON)],
 262         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 263 )
 264
 265 AC_CHECK_FUNC(getpagesize,
 266         [AC_DEFINE(HAVE_GETPAGESIZE)],
 267         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 268 )
 269
 270 # Check for broken snprintf
 271 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 272         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 273         AC_TRY_RUN(
 274                 [
 275 #include <stdio.h>
 276 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 277                 ],
 278                 [AC_MSG_RESULT(yes)],
 279                 [
 280                         AC_MSG_RESULT(no)
 281                         AC_DEFINE(BROKEN_SNPRINTF)
 282                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 283                 ]
 284         )
 285 fi
 286
 287 PAM_MSG="no"
 288 AC_ARG_WITH(pam,
 289         [  --without-pam           Disable PAM support ],
 290         [
 291                 if test "x$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 u_intXX_t types], ac_cv_have_u_intxx_t, [
 491         AC_TRY_COMPILE(
 492                 [ #include <sys/types.h> ],
 493                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 494                 [ ac_cv_have_u_intxx_t="yes" ],
 495                 [ ac_cv_have_u_intxx_t="no" ]
 496         )
 497 ])
 498 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 499         AC_DEFINE(HAVE_U_INTXX_T)
 500         have_u_intxx_t=1
 501 fi
 502
 503 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
 504            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
 505 then
 506         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 507         AC_TRY_COMPILE(
 508                 [
 509 #include <sys/bitypes.h>
 510                 ],
 511                 [
 512                         int8_t a; int16_t b; int32_t c;
 513                         u_int8_t e; u_int16_t f; u_int32_t g;
 514                         a = b = c = e = f = g = 1;
 515                 ],
 516                 [
 517                         AC_DEFINE(HAVE_U_INTXX_T)
 518                         AC_DEFINE(HAVE_INTXX_T)
 519                         AC_MSG_RESULT(yes)
 520                 ],
 521                 [AC_MSG_RESULT(no)]
 522         )
 523 fi
 524
 525 if test -z "$have_u_intxx_t" ; then
 526         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 527                 AC_TRY_COMPILE(
 528                         [
 529 #include <sys/types.h>
 530                         ],
 531                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
 532                         [ ac_cv_have_uintxx_t="yes" ],
 533                         [ ac_cv_have_uintxx_t="no" ]
 534                 )
 535         ])
 536         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
 537                 AC_DEFINE(HAVE_UINTXX_T)
 538         fi
 539 fi
 540
 541 AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
 542         AC_TRY_COMPILE(
 543                 [
 544 #include <sys/types.h>
 545 #include <sys/socket.h>
 546                 ],
 547                 [socklen_t foo; foo = 1235;],
 548                 [ ac_cv_have_socklen_t="yes" ],
 549                 [ ac_cv_have_socklen_t="no" ]
 550         )
 551 ])
 552 if test "x$ac_cv_have_socklen_t" = "xyes" ; then
 553         AC_DEFINE(HAVE_SOCKLEN_T)
 554 fi
 555
 556 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
 557         AC_TRY_COMPILE(
 558                 [
 559 #include <sys/types.h>
 560                 ],
 561                 [ size_t foo; foo = 1235; ],
 562                 [ ac_cv_have_size_t="yes" ],
 563                 [ ac_cv_have_size_t="no" ]
 564         )
 565 ])
 566 if test "x$ac_cv_have_size_t" = "xyes" ; then
 567         AC_DEFINE(HAVE_SIZE_T)
 568 fi
 569
 570 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
 571         AC_TRY_COMPILE(
 572                 [
 573 #include <sys/types.h>
 574                 ],
 575                 [ ssize_t foo; foo = 1235; ],
 576                 [ ac_cv_have_ssize_t="yes" ],
 577                 [ ac_cv_have_ssize_t="no" ]
 578         )
 579 ])
 580 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
 581         AC_DEFINE(HAVE_SSIZE_T)
 582 fi
 583
 584 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
 585         AC_TRY_COMPILE(
 586                 [
 587 #include <sys/types.h>
 588 #include <sys/socket.h>
 589                 ],
 590                 [ sa_family_t foo; foo = 1235; ],
 591                 [ ac_cv_have_sa_family_t="yes" ],
 592                 [ ac_cv_have_sa_family_t="no" ]
 593         )
 594 ])
 595 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
 596         AC_DEFINE(HAVE_SA_FAMILY_T)
 597 fi
 598
 599 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
 600         AC_TRY_COMPILE(
 601                 [
 602 #include <sys/types.h>
 603                 ],
 604                 [ pid_t foo; foo = 1235; ],
 605                 [ ac_cv_have_pid_t="yes" ],
 606                 [ ac_cv_have_pid_t="no" ]
 607         )
 608 ])
 609 if test "x$ac_cv_have_pid_t" = "xyes" ; then
 610         AC_DEFINE(HAVE_PID_T)
 611 fi
 612
 613 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
 614         AC_TRY_COMPILE(
 615                 [
 616 #include <sys/types.h>
 617                 ],
 618                 [ mode_t foo; foo = 1235; ],
 619                 [ ac_cv_have_mode_t="yes" ],
 620                 [ ac_cv_have_mode_t="no" ]
 621         )
 622 ])
 623 if test "x$ac_cv_have_mode_t" = "xyes" ; then
 624         AC_DEFINE(HAVE_MODE_T)
 625 fi
 626
 627
 628 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
 629         AC_TRY_COMPILE(
 630                 [
 631 #include <sys/types.h>
 632 #include <sys/socket.h>
 633                 ],
 634                 [ struct sockaddr_storage s; ],
 635                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
 636                 [ ac_cv_have_struct_sockaddr_storage="no" ]
 637         )
 638 ])
 639 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
 640         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
 641 fi
 642
 643 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
 644         AC_TRY_COMPILE(
 645                 [
 646 #include <sys/types.h>
 647 #include <netinet/in.h>
 648                 ],
 649                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
 650                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
 651                 [ ac_cv_have_struct_sockaddr_in6="no" ]
 652         )
 653 ])
 654 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
 655         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
 656 fi
 657
 658 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
 659         AC_TRY_COMPILE(
 660                 [
 661 #include <sys/types.h>
 662 #include <netinet/in.h>
 663                 ],
 664                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
 665                 [ ac_cv_have_struct_in6_addr="yes" ],
 666                 [ ac_cv_have_struct_in6_addr="no" ]
 667         )
 668 ])
 669 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
 670         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
 671 fi
 672
 673 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
 674         AC_TRY_COMPILE(
 675                 [
 676 #include <sys/types.h>
 677 #include <sys/socket.h>
 678 #include <netdb.h>
 679                 ],
 680                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
 681                 [ ac_cv_have_struct_addrinfo="yes" ],
 682                 [ ac_cv_have_struct_addrinfo="no" ]
 683         )
 684 ])
 685 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
 686         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
 687 fi
 688
 689
 690 # Checks for structure members
 691
 692 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
 693 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
 694 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
 695 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
 696 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
 697 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
 698 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
 699 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
 700 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
 701 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
 702 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
 703 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
 704 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
 705 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
 706 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
 707 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
 708 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
 709
 710 AC_CACHE_CHECK([for sun_len field in struct sockaddr_un],
 711                 ac_cv_have_sun_len_in_struct_sockaddr_un, [
 712         AC_TRY_COMPILE(
 713                 [
 714 #include <sys/types.h>
 715 #include <sys/socket.h>
 716                 ],
 717                 [ struct sockaddr_un s; s.sun_len = 1; ],
 718                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="yes" ],
 719                 [ ac_cv_have_sun_len_in_struct_sockaddr_un="no" ],
 720         )
 721 ])
 722 if test "x$ac_cv_have_sun_len_in_struct_sockaddr_un" = "xyes" ; then
 723         AC_DEFINE(HAVE_SUN_LEN_IN_SOCKADDR_UN)
 724 fi
 725
 726 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
 727                 ac_cv_have_ss_family_in_struct_ss, [
 728         AC_TRY_COMPILE(
 729                 [
 730 #include <sys/types.h>
 731 #include <sys/socket.h>
 732                 ],
 733                 [ struct sockaddr_storage s; s.ss_family = 1; ],
 734                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
 735                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
 736         )
 737 ])
 738 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
 739         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
 740 fi
 741
 742 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
 743                 ac_cv_have___ss_family_in_struct_ss, [
 744         AC_TRY_COMPILE(
 745                 [
 746 #include <sys/types.h>
 747 #include <sys/socket.h>
 748                 ],
 749                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
 750                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
 751                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
 752         )
 753 ])
 754 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
 755         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
 756 fi
 757
 758 AC_CACHE_CHECK([for pw_class field in struct passwd],
 759                 ac_cv_have_pw_class_in_struct_passwd, [
 760         AC_TRY_COMPILE(
 761                 [
 762 #include <sys/types.h>
 763 #include <pwd.h>
 764                 ],
 765                 [ struct passwd p s; p.pw_class = NULL; ],
 766                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
 767                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
 768         )
 769 ])
 770 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
 771         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
 772 fi
 773
 774
 775 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
 776         AC_TRY_LINK([],
 777                 [ extern char *__progname; printf("%s", __progname); ],
 778                 [ ac_cv_libc_defines___progname="yes" ],
 779                 [ ac_cv_libc_defines___progname="no" ]
 780         )
 781 ])
 782 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
 783         AC_DEFINE(HAVE___PROGNAME)
 784 fi
 785
 786
 787 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
 788         AC_TRY_LINK([],
 789                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
 790                 [ ac_cv_libc_defines_sys_errlist="yes" ],
 791                 [ ac_cv_libc_defines_sys_errlist="no" ]
 792         )
 793 ])
 794 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
 795         AC_DEFINE(HAVE_SYS_ERRLIST)
 796 fi
 797
 798
 799 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
 800         AC_TRY_LINK([],
 801                 [ extern int sys_nerr; printf("%i", sys_nerr);],
 802                 [ ac_cv_libc_defines_sys_nerr="yes" ],
 803                 [ ac_cv_libc_defines_sys_nerr="no" ]
 804         )
 805 ])
 806 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
 807         AC_DEFINE(HAVE_SYS_NERR)
 808 fi
 809
 810
 811 # Looking for programs, paths and files
 812 AC_ARG_WITH(rsh,
 813         [  --with-rsh=PATH         Specify path to remote shell program ],
 814         [
 815                 if test "x$withval" != "$no" ; then
 816                         rsh_path=$withval
 817                 fi
 818         ],
 819         [
 820                 AC_PATH_PROG(rsh_path, rsh)
 821         ]
 822 )
 823
 824 AC_ARG_WITH(xauth,
 825         [  --with-xauth=PATH       Specify path to xauth program ],
 826         [
 827                 if test "x$withval" != "$xno" ; then
 828                         xauth_path=$withval
 829                 fi
 830         ],
 831         [
 832                 AC_PATH_PROG(xauth_path, xauth)
 833                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
 834                         xauth_path="/usr/openwin/bin/xauth"
 835                 fi
 836         ]
 837 )
 838
 839 if test ! -z "$xauth_path" ; then
 840         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
 841 fi
 842 if test ! -z "$rsh_path" ; then
 843         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
 844 fi
 845
 846 # Check for mail directory (last resort if we cannot get it from headers)
 847 if test ! -z "$MAIL" ; then
 848         maildir=`dirname $MAIL`
 849         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
 850 fi
 851
 852 if test -z "$no_dev_ptmx" ; then
 853         AC_CHECK_FILE("/dev/ptmx",
 854                 [
 855                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
 856                         have_dev_ptmx=1
 857                 ]
 858         )
 859 fi
 860 AC_CHECK_FILE("/dev/ptc",
 861         [
 862                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
 863                 have_dev_ptc=1
 864         ]
 865 )
 866
 867 # Options from here on. Some of these are preset by platform above
 868
 869 # Check for user-specified random device, otherwise check /dev/urandom
 870 AC_ARG_WITH(random,
 871         [  --with-random=FILE      read randomness from FILE (default=/dev/urandom)],
 872         [
 873                 if test "x$withval" != "xno" ; then
 874                         RANDOM_POOL="$withval";
 875                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 876                 fi
 877         ],
 878         [
 879                 # Check for random device
 880                 AC_CHECK_FILE("/dev/urandom",
 881                         [
 882                                 RANDOM_POOL="/dev/urandom";
 883                                 AC_SUBST(RANDOM_POOL)
 884                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 885                         ]
 886                 )
 887         ]
 888 )
 889
 890 # Check for EGD pool file
 891 AC_ARG_WITH(egd-pool,
 892         [  --with-egd-pool=FILE    read randomness from EGD pool FILE (default none)],
 893         [
 894                 if test "x$withval" != "xno" ; then
 895                         EGD_SOCKET="$withval";
 896                         AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
 897                 fi
 898         ]
 899 )
 900
 901 # detect pathnames for entropy gathering commands, if we need them
 902 INSTALL_SSH_PRNG_CMDS=""
 903 rm -f prng_commands
 904 if (test -z "$RANDOM_POOL" && test -z "$EGD_SOCKET") ; then
 905         # Use these commands to collect entropy
 906         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
 907         OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
 908         OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
 909         OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
 910         OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
 911         OSSH_PATH_ENTROPY_PROG(PROG_W, w)
 912         OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
 913         OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
 914         OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
 915         OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
 916         OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
 917         OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
 918         OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
 919         OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
 920         OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
 921
 922         INSTALL_SSH_PRNG_CMDS="yes"
 923 fi
 924 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
 925
 926
 927 AC_ARG_WITH(catman,
 928         [  --with-catman=man|cat   Install preformatted manpages[no]],
 929         [
 930                 MANTYPE='$(CATMAN)'
 931                 if test x"$withval" != x"yes" ; then
 932                    mansubdir=$withval
 933                 else
 934                    mansubdir=cat
 935                 fi
 936         ], [
 937                 if test -z "$MANTYPE" ; then
 938                         MANTYPE='$(TROFFMAN)'
 939                         mansubdir=man
 940                 fi
 941         ]
 942 )
 943 AC_SUBST(MANTYPE)
 944 AC_SUBST(mansubdir)
 945
 946 # Check whether user wants Kerberos support
 947 KRB4_MSG="no"
 948 AC_ARG_WITH(kerberos4,
 949         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
 950         [
 951                 if test "x$withval" != "xno" ; then
 952
 953                         if test "x$withval" != "$xyes" ; then
 954                                 CFLAGS="$CFLAGS -I${withval}/include"
 955                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 956                                 if test ! -z "$need_dash_r" ; then
 957                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
 958                                 fi
 959                                 if test ! -z "$blibpath" ; then
 960                                         blibpath="$blibpath:${withval}/lib"
 961                                 fi
 962                         else
 963                                 if test -d /usr/include/kerberosIV ; then
 964                                         CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
 965                                 fi
 966                         fi
 967
 968                         AC_CHECK_HEADERS(krb.h)
 969                         AC_CHECK_LIB(krb, main)
 970                         if test "$ac_cv_header_krb_h" != yes; then
 971                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
 972                         fi
 973                         if test "$ac_cv_lib_krb_main" != yes; then
 974                                 AC_MSG_WARN([Cannot find libkrb, build may fail])
 975                         fi
 976
 977                         KLIBS="-lkrb -ldes"
 978                         AC_CHECK_LIB(resolv, dn_expand, , )
 979                         KRB4=yes
 980                         KRB4_MSG="yes"
 981                         AC_DEFINE(KRB4)
 982                 fi
 983         ]
 984 )
 985
 986 # Check whether user wants AFS support
 987 AFS_MSG="no"
 988 AC_ARG_WITH(afs,
 989         [  --with-afs=PATH         Enable AFS support],
 990         [
 991                 if test "x$withval" != "xno" ; then
 992
 993                         if test "x$withval" != "$xyes" ; then
 994                                 CFLAGS="$CFLAGS -I${withval}/include"
 995                                 LFLAGS="$LFLAGS -L${withval}/lib"
 996                         fi
 997
 998                         if test -z "$KRB4" ; then
 999                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1000                         fi
1001
1002                         LIBS="$LIBS -lkafs"
1003                         if test ! -z "$AFS_LIBS" ; then
1004                                 LIBS="$LIBS $AFS_LIBS"
1005                         fi
1006                         AC_DEFINE(AFS)
1007                         AFS_MSG="yes"
1008                 fi
1009         ]
1010 )
1011 LIBS="$LIBS $KLIBS"
1012
1013 # Check whether user wants S/Key support
1014 SKEY_MSG="no"
1015 AC_ARG_WITH(skey,
1016         [  --with-skey             Enable S/Key support],
1017         [
1018                 if test "x$withval" != "xno" ; then
1019                         AC_DEFINE(SKEY)
1020                         LIBS="$LIBS -lskey"
1021                         SKEY_MSG="yes"
1022                 fi
1023         ]
1024 )
1025
1026 # Check whether user wants TCP wrappers support
1027 TCPW_MSG="no"
1028 AC_ARG_WITH(tcp-wrappers,
1029         [  --with-tcp-wrappers     Enable tcpwrappers support],
1030         [
1031                 if test "x$withval" != "xno" ; then
1032                         saved_LIBS="$LIBS"
1033                         LIBS="$LIBS -lwrap"
1034                         AC_MSG_CHECKING(for libwrap)
1035                         AC_TRY_LINK(
1036                                 [
1037 #include <tcpd.h>
1038                                         int deny_severity = 0, allow_severity = 0;
1039                                 ],
1040                                 [hosts_access(0);],
1041                                 [
1042                                         AC_MSG_RESULT(yes)
1043                                         AC_DEFINE(LIBWRAP)
1044                                         TCPW_MSG="yes"
1045                                 ],
1046                                 [
1047                                         AC_MSG_ERROR([*** libwrap missing])
1048                                 ]
1049                         )
1050                 fi
1051         ]
1052 )
1053
1054 # Check whether to enable MD5 passwords
1055 MD5_MSG="no"
1056 AC_ARG_WITH(md5-passwords,
1057         [  --with-md5-passwords    Enable use of MD5 passwords],
1058         [
1059                 if test "x$withval" != "xno" ; then
1060                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1061                         MD5_MSG="yes"
1062                 fi
1063         ]
1064 )
1065
1066 # Whether to disable shadow password support
1067 AC_ARG_WITH(shadow,
1068         [  --without-shadow        Disable shadow password support],
1069         [
1070                 if test "x$withval" = "xno" ; then
1071                         AC_DEFINE(DISABLE_SHADOW)
1072                         disable_shadow=yes
1073                 fi
1074         ]
1075 )
1076
1077 if test -z "$disable_shadow" ; then
1078         AC_MSG_CHECKING([if the systems has expire shadow information])
1079         AC_TRY_COMPILE(
1080         [
1081 #include <sys/types.h>
1082 #include <shadow.h>
1083         struct spwd sp;
1084         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1085         [ sp_expire_available=yes ], []
1086         )
1087
1088         if test "x$sp_expire_available" = "xyes" ; then
1089                 AC_MSG_RESULT(yes)
1090                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1091         else
1092                 AC_MSG_RESULT(no)
1093         fi
1094 fi
1095
1096 # Use ip address instead of hostname in $DISPLAY
1097 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1098         DISPLAY_HACK_MSG="yes"
1099         AC_DEFINE(IPADDR_IN_DISPLAY)
1100 else
1101         DISPLAY_HACK_MSG="no"
1102         AC_ARG_WITH(ipaddr-display,
1103                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1104                 [
1105                         if test "x$withval" != "xno" ; then
1106                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1107                                 DISPLAY_HACK_MSG="yes"
1108                         fi
1109                 ]
1110         )
1111 fi
1112
1113 # Whether to mess with the default path
1114 SERVER_PATH_MSG="(default)"
1115 AC_ARG_WITH(default-path,
1116         [  --with-default-path=PATH Specify default \$PATH environment for server],
1117         [
1118                 if test "x$withval" != "xno" ; then
1119                         AC_DEFINE_UNQUOTED(USER_PATH, "$withval")
1120                         SERVER_PATH_MSG="$withval"
1121                 fi
1122         ]
1123 )
1124
1125 # Whether to force IPv4 by default (needed on broken glibc Linux)
1126 IPV4_HACK_MSG="no"
1127 AC_ARG_WITH(ipv4-default,
1128         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
1129         [
1130                 if test "x$withval" != "xno" ; then
1131                         AC_DEFINE(IPV4_DEFAULT)
1132                         IPV4_HACK_MSG="yes"
1133                 fi
1134         ]
1135 )
1136
1137 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
1138 IPV4_IN6_HACK_MSG="no"
1139 AC_ARG_WITH(4in6,
1140         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
1141         [
1142                 if test "x$withval" != "xno" ; then
1143                         AC_MSG_RESULT(yes)
1144                         AC_DEFINE(IPV4_IN_IPV6)
1145                         IPV4_IN6_HACK_MSG="yes"
1146                 else
1147                         AC_MSG_RESULT(no)
1148                 fi
1149         ],[
1150                 if test "x$inet6_default_4in6" = "xyes"; then
1151                         AC_MSG_RESULT([yes (default)])
1152                         AC_DEFINE(IPV4_IN_IPV6)
1153                         IPV4_IN6_HACK_MSG="yes"
1154                 else
1155                         AC_MSG_RESULT([no (default)])
1156                 fi
1157         ]
1158 )
1159
1160 # Where to place sshd.pid
1161 piddir=/var/run
1162 AC_ARG_WITH(pid-dir,
1163         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
1164         [
1165                 if test "x$withval" != "xno" ; then
1166                         piddir=$withval
1167                 fi
1168         ]
1169 )
1170
1171 AC_DEFINE_UNQUOTED(PIDDIR, "$piddir")
1172 AC_SUBST(piddir)
1173
1174 dnl allow user to disable some login recording features
1175 AC_ARG_ENABLE(lastlog,
1176         [  --disable-lastlog       disable use of lastlog even if detected [no]],
1177         [ AC_DEFINE(DISABLE_LASTLOG) ]
1178 )
1179 AC_ARG_ENABLE(utmp,
1180         [  --disable-utmp          disable use of utmp even if detected [no]],
1181         [ AC_DEFINE(DISABLE_UTMP) ]
1182 )
1183 AC_ARG_ENABLE(utmpx,
1184         [  --disable-utmpx         disable use of utmpx even if detected [no]],
1185         [ AC_DEFINE(DISABLE_UTMPX) ]
1186 )
1187 AC_ARG_ENABLE(wtmp,
1188         [  --disable-wtmp          disable use of wtmp even if detected [no]],
1189         [ AC_DEFINE(DISABLE_WTMP) ]
1190 )
1191 AC_ARG_ENABLE(wtmpx,
1192         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
1193         [ AC_DEFINE(DISABLE_WTMPX) ]
1194 )
1195 AC_ARG_ENABLE(libutil,
1196         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
1197         [ AC_DEFINE(DISABLE_LOGIN) ]
1198 )
1199 AC_ARG_ENABLE(pututline,
1200         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
1201         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
1202 )
1203 AC_ARG_ENABLE(pututxline,
1204         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
1205         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
1206 )
1207 AC_ARG_WITH(lastlog,
1208   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
1209   [ conf_lastlog_location="$withval";  ],)
1210
1211 dnl lastlog, [uw]tmpx? detection
1212 dnl  NOTE: set the paths in the platform section to avoid the
1213 dnl   need for command-line parameters
1214 dnl lastlog and [uw]tmp are subject to a file search if all else fails
1215
1216 dnl lastlog detection
1217 dnl  NOTE: the code itself will detect if lastlog is a directory
1218 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
1219 AC_TRY_COMPILE([
1220 #include <sys/types.h>
1221 #include <utmp.h>
1222 #ifdef HAVE_LASTLOG_H
1223 #  include <lastlog.h>
1224 #endif
1225 #ifdef HAVE_PATHS_H
1226 #  include <paths.h>
1227 #endif
1228         ],
1229         [ char *lastlog = LASTLOG_FILE; ],
1230         [ AC_MSG_RESULT(yes) ],
1231         [
1232                 AC_MSG_RESULT(no)
1233                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
1234                 AC_TRY_COMPILE([
1235 #include <sys/types.h>
1236 #include <utmp.h>
1237 #ifdef HAVE_LASTLOG_H
1238 #  include <lastlog.h>
1239 #endif
1240 #ifdef HAVE_PATHS_H
1241 #  include <paths.h>
1242 #endif
1243                 ],
1244                 [ char *lastlog = _PATH_LASTLOG; ],
1245                 [ AC_MSG_RESULT(yes) ],
1246                 [
1247                         AC_MSG_RESULT(no)
1248                         system_lastlog_path=no
1249                 ])
1250         ]
1251 )
1252
1253 if test -z "$conf_lastlog_location"; then
1254         if test x"$system_lastlog_path" = x"no" ; then
1255                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
1256                                 if (test -d "$f" || test -f "$f") ; then
1257                                         conf_lastlog_location=$f
1258                                 fi
1259                 done
1260                 if test -z "$conf_lastlog_location"; then
1261                         AC_MSG_WARN([** Cannot find lastlog **])
1262                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
1263                 fi
1264         fi
1265 fi
1266
1267 if test -n "$conf_lastlog_location"; then
1268         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
1269 fi
1270
1271 dnl utmp detection
1272 AC_MSG_CHECKING([if your system defines UTMP_FILE])
1273 AC_TRY_COMPILE([
1274 #include <sys/types.h>
1275 #include <utmp.h>
1276 #ifdef HAVE_PATHS_H
1277 #  include <paths.h>
1278 #endif
1279         ],
1280         [ char *utmp = UTMP_FILE; ],
1281         [ AC_MSG_RESULT(yes) ],
1282         [ AC_MSG_RESULT(no)
1283           system_utmp_path=no ]
1284 )
1285 if test -z "$conf_utmp_location"; then
1286         if test x"$system_utmp_path" = x"no" ; then
1287                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
1288                         if test -f $f ; then
1289                                 conf_utmp_location=$f
1290                         fi
1291                 done
1292                 if test -z "$conf_utmp_location"; then
1293                         AC_DEFINE(DISABLE_UTMP)
1294                 fi
1295         fi
1296 fi
1297 if test -n "$conf_utmp_location"; then
1298         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
1299 fi
1300
1301 dnl wtmp detection
1302 AC_MSG_CHECKING([if your system defines WTMP_FILE])
1303 AC_TRY_COMPILE([
1304 #include <sys/types.h>
1305 #include <utmp.h>
1306 #ifdef HAVE_PATHS_H
1307 #  include <paths.h>
1308 #endif
1309         ],
1310         [ char *wtmp = WTMP_FILE; ],
1311         [ AC_MSG_RESULT(yes) ],
1312         [ AC_MSG_RESULT(no)
1313           system_wtmp_path=no ]
1314 )
1315 if test -z "$conf_wtmp_location"; then
1316         if test x"$system_wtmp_path" = x"no" ; then
1317                 for f in /usr/adm/wtmp /var/log/wtmp; do
1318                         if test -f $f ; then
1319                                 conf_wtmp_location=$f
1320                         fi
1321                 done
1322                 if test -z "$conf_wtmp_location"; then
1323                         AC_DEFINE(DISABLE_WTMP)
1324                 fi
1325         fi
1326 fi
1327 if test -n "$conf_wtmp_location"; then
1328         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
1329 fi
1330
1331
1332 dnl utmpx detection - I don't know any system so perverse as to require
1333 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
1334 dnl  there, though.
1335 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
1336 AC_TRY_COMPILE([
1337 #include <sys/types.h>
1338 #include <utmp.h>
1339 #ifdef HAVE_UTMPX_H
1340 #include <utmpx.h>
1341 #endif
1342 #ifdef HAVE_PATHS_H
1343 #  include <paths.h>
1344 #endif
1345         ],
1346         [ char *utmpx = UTMPX_FILE; ],
1347         [ AC_MSG_RESULT(yes) ],
1348         [ AC_MSG_RESULT(no)
1349           system_utmpx_path=no ]
1350 )
1351 if test -z "$conf_utmpx_location"; then
1352         if test x"$system_utmpx_path" = x"no" ; then
1353                 AC_DEFINE(DISABLE_UTMPX)
1354         fi
1355 else
1356         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
1357 fi
1358
1359 dnl wtmpx detection
1360 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
1361 AC_TRY_COMPILE([
1362 #include <sys/types.h>
1363 #include <utmp.h>
1364 #ifdef HAVE_UTMPX_H
1365 #include <utmpx.h>
1366 #endif
1367 #ifdef HAVE_PATHS_H
1368 #  include <paths.h>
1369 #endif
1370         ],
1371         [ char *wtmpx = WTMPX_FILE; ],
1372         [ AC_MSG_RESULT(yes) ],
1373         [ AC_MSG_RESULT(no)
1374           system_wtmpx_path=no ]
1375 )
1376 if test -z "$conf_wtmpx_location"; then
1377         if test x"$system_wtmpx_path" = x"no" ; then
1378                 AC_DEFINE(DISABLE_WTMPX)
1379         fi
1380 else
1381         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
1382 fi
1383
1384
1385 # Change default command timeout for builtin PRNG
1386 entropy_timeout=200
1387 AC_ARG_WITH(entropy-timeout,
1388         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1389         [
1390                 if test "x$withval" != "xno" ; then
1391                         entropy_timeout=$withval
1392                 fi
1393         ]
1394 )
1395 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1396
1397
1398 if test ! -z "$blibpath" ; then
1399         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
1400         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
1401 fi
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