]> andersk Git - openssh.git/blobdiff - configure.in
- Several patches from SAKAI Kiyotaka <ksakai@kso.netwk.ntt-at.co.jp>
[openssh.git] / configure.in
index aa23baece1931e8f5dee5a29a0bc5f410481743f..548d2727d5ad37297c066052b39772a7a2020efb 100644 (file)
 AC_INIT(ssh.c)
 
 AC_CONFIG_HEADER(config.h)
-
-dnl Checks for programs.
 AC_PROG_CC
+AC_CANONICAL_HOST
+
+# Checks for programs.
 AC_PROG_CPP
 AC_PROG_RANLIB
 AC_PROG_INSTALL
 AC_CHECK_PROG(AR, ar, ar)
-if test "$GCC" = "yes"; then CFLAGS="$CFLAGS -Wall"; fi
-
-dnl Check for OpenSSL/SSLeay directories.
-AC_MSG_CHECKING([for OpenSSL/SSLeay directory])
-for ssldir in /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local $prefix /usr/pkg ; do
-       if test -f "$ssldir/include/openssl/crypto.h"; then
-               AC_DEFINE(HAVE_OPENSSL)
-               GOT_SSL="yes"
-               break
-       fi
-       if test -f "$ssldir/include/ssl/crypto.h"; then
-               AC_DEFINE(HAVE_SSL)
-               GOT_SSL="yes"
-               break
-       fi
-done
-if test -z "$GOT_SSL" ; then
-       AC_MSG_ERROR([Could not find SSLeay / OpenSSL libraries, please install])       
+AC_PATH_PROG(PERL, perl)
+AC_SUBST(PERL)
+AC_PATH_PROG(ENT, ent)
+AC_SUBST(ENT)
+
+if test -z "$LD" ; then
+       LD=$CC
 fi
-AC_SUBST(ssldir)
-AC_DEFINE_UNQUOTED(ssldir, "$ssldir")
-if test "$ssldir" != "/usr"; then
-       CFLAGS="$CFLAGS -I$ssldir/include"
-       LIBS="$LIBS -L$ssldir/lib"
+AC_SUBST(LD)
+       
+# C Compiler features
+AC_C_INLINE
+if test "$GCC" = "yes"; then 
+       CFLAGS="$CFLAGS -Wall"
 fi
-LIBS="$LIBS -lssl -lcrypto"
-AC_MSG_RESULT($ssldir)
-
-dnl Check for RSAref library.
-AC_MSG_CHECKING([for RSAref library])
-saved_LIBS="$LIBS"
-LIBS="$saved_LIBS -lRSAglue -lrsaref"
-AC_TRY_LINK([], [],
-[AC_MSG_RESULT(yes); ],
-[AC_MSG_RESULT(no)]; LIBS="$saved_LIBS")
 
-dnl Checks for libraries.
-AC_CHECK_LIB(crypto, CRYPTO_lock, ,AC_MSG_ERROR([*** libcrypto missing - please install first ***]))
+# Check for some target-specific stuff
+case "$host" in
+*-*-aix*)
+       AFS_LIBS="-lld"
+       CFLAGS="$CFLAGS -I/usr/local/include"
+       LDFLAGS="$LDFLAGS -L/usr/local/lib"
+       if test "$LD" != "gcc" -a -z "$blibpath"; then
+               blibpath="/usr/lib:/lib:/usr/local/lib"
+       fi
+       AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
+       AC_DEFINE(BROKEN_GETADDRINFO)
+       ;;
+*-*-hpux10*)
+       if test -z "$GCC"; then
+               CFLAGS="$CFLAGS -Aa"
+       fi
+       CFLAGS="$CFLAGS -D_HPUX_SOURCE"
+       CFLAGS="$CFLAGS -I/usr/local/include"
+       LDFLAGS="$LDFLAGS -L/usr/local/lib"
+       AC_DEFINE(IPADDR_IN_DISPLAY)
+       AC_DEFINE(USE_UTMPX)
+       AC_MSG_CHECKING(for HPUX trusted system password database)
+       if test -f /tcb/files/auth/system/default; then
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_HPUX_TRUSTED_SYSTEM_PW)
+               LIBS="$LIBS -lsec"
+               AC_MSG_WARN([This configuration is untested])
+       else
+               AC_MSG_RESULT(no)
+               AC_DEFINE(DISABLE_SHADOW)
+       fi
+       MANTYPE='$(CATMAN)'
+       mansubdir=cat
+       ;;
+*-*-hpux11*)
+       if test -z "$GCC"; then
+               CFLAGS="$CFLAGS -Ae"
+       fi
+       CFLAGS="$CFLAGS -D_HPUX_SOURCE"
+       CFLAGS="$CFLAGS -I/usr/local/include"
+       LDFLAGS="$LDFLAGS -L/usr/local/lib"
+       AC_DEFINE(IPADDR_IN_DISPLAY)
+       AC_DEFINE(USE_UTMPX)
+       AC_MSG_CHECKING(for HPUX trusted system password database)
+       if test -f /tcb/files/auth/system/default; then
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_HPUX_TRUSTED_SYSTEM_PW)
+               LIBS="$LIBS -lsec"
+               AC_MSG_WARN([This configuration is untested])
+       else
+               AC_MSG_RESULT(no)
+               AC_DEFINE(DISABLE_SHADOW)
+       fi
+       MANTYPE='$(CATMAN)'
+       mansubdir=cat
+       ;;
+*-*-irix5*)
+       CFLAGS="$CFLAGS -I/usr/local/include"
+       LDFLAGS="$LDFLAGS -L/usr/local/lib"
+       MANTYPE='$(CATMAN)'
+       no_libsocket=1
+       no_libnsl=1
+       ;;
+*-*-irix6*)
+       CFLAGS="$CFLAGS -I/usr/local/include"
+       LDFLAGS="$LDFLAGS -L/usr/local/lib"
+       MANTYPE='$(CATMAN)'
+       AC_MSG_WARN([*** Irix 6.x is not tested, please report you experiences *** ])
+       no_libsocket=1
+       no_libnsl=1
+       ;;
+*-*-linux*)
+       no_dev_ptmx=1
+       AC_DEFINE(DONT_TRY_OTHER_AF)
+       inet6_default_4in6=yes
+       ;;
+*-*-netbsd*)
+       need_dash_r=1
+       ;;
+*-*-solaris*)
+       CFLAGS="$CFLAGS -I/usr/local/include"
+       LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib -L/usr/ucblib -R/usr/ucblib"
+       need_dash_r=1
+       AC_DEFINE(USE_UTMPX)
+       ;;
+*-*-sysv*)
+       CFLAGS="$CFLAGS -I/usr/local/include"
+       LDFLAGS="$LDFLAGS -L/usr/local/lib"
+       AC_DEFINE(USE_UTMPX)
+       MANTYPE='$(CATMAN)'
+       mansubdir=cat
+       LIBS="$LIBS -lgen -lsocket"
+       ;;
+esac
+
+# Checks for libraries.
 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first ***]))
 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
-AC_CHECK_LIB(nsl, yp_match, , )
-AC_CHECK_LIB(socket, main, , )
 
-dnl libdl is needed by PAM on Redhat systems
-AC_CHECK_LIB(dl, dlopen, , )
-AC_CHECK_LIB(pam, pam_authenticate, , )
+if test -z "$no_libsocket" ; then
+       AC_CHECK_LIB(nsl, yp_match, , )
+fi
+if test -z "$no_libnsl" ; then
+       AC_CHECK_LIB(socket, main, , )
+fi
 
-dnl Checks for header files.
-AC_CHECK_HEADERS(endian.h lastlog.h login.h maillock.h netgroup.h paths.h poll.h pty.h shadow.h util.h utmp.h utmpx.h sys/poll.h sys/select.h sys/stropts.h sys/time.h)
+# Checks for header files.
+AC_CHECK_HEADERS(bstring.h endian.h lastlog.h login.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/stropts.h sys/sysmacros.h sys/time.h sys/ttcompat.h stddef.h util.h utmp.h utmpx.h)
 
-dnl Checks for library functions.
-AC_CHECK_FUNCS(arc4random mkdtemp openpty _getpty setenv setlogin setproctitle snprintf strlcat strlcpy vsnprintf)
+# Checks for library functions.
+AC_CHECK_FUNCS(arc4random b64_ntop bcopy bindresvport_af clock freeaddrinfo gai_strerror getaddrinfo getnameinfo getrusage innetgr md5_crypt memmove mkdtemp openpty rresvport_af setenv seteuid setlogin setproctitle setreuid snprintf strlcat strlcpy updwtmpx vsnprintf vhangup _getpty __b64_ntop)
 
 AC_CHECK_FUNC(login, 
        [AC_DEFINE(HAVE_LOGIN)],
@@ -71,100 +147,487 @@ AC_CHECK_FUNC(daemon,
        [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 )
 
-dnl Checks for data types
+AC_CHECK_FUNC(getpagesize, 
+       [AC_DEFINE(HAVE_GETPAGESIZE)],
+       [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
+)
+
+AC_ARG_WITH(pam,
+       [  --without-pam           Disable PAM support ],
+       [
+               if test "x$withval" = "xno" ; then
+                       no_pam=1
+                       AC_DEFINE(DISABLE_PAM)
+               fi
+       ]
+)
+if test -z "$no_pam" -a "x$ac_cv_header_security_pam_appl_h" = "xyes" ; then
+       AC_CHECK_LIB(dl, dlopen, , )
+       LIBS="$LIBS -lpam"
+
+       AC_CHECK_FUNCS(pam_getenvlist)
+
+       # Check PAM strerror arguments (old PAM)
+       AC_MSG_CHECKING([whether pam_strerror takes only one argument])
+       AC_TRY_COMPILE(
+               [
+#include <stdlib.h>
+#include <security/pam_appl.h>
+               ], 
+               [(void)pam_strerror((pam_handle_t *)NULL, -1);], 
+               [AC_MSG_RESULT(no)],
+               [
+                       AC_DEFINE(HAVE_OLD_PAM)
+                       AC_MSG_RESULT(yes)
+               ]
+       ) 
+fi
+
+# The big search for OpenSSL
+AC_ARG_WITH(ssl-dir,
+       [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
+       [
+               if test "x$withval" != "$xno" ; then
+                       tryssldir=$withval
+               fi
+       ]
+)
+
+saved_LIBS="$LIBS"
+saved_LDFLAGS="$LDFLAGS"
+saved_CFLAGS="$CFLAGS"
+if test "x$prefix" != "xNONE" ; then
+       tryssldir="$tryssldir $prefix"
+fi
+AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
+
+       for ssldir in "" $tryssldir /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
+               if test ! -z "$ssldir" ; then
+                       LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
+                       CFLAGS="$saved_CFLAGS -I$ssldir/include"
+                       if test ! -z "$need_dash_r" ; then
+                               LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
+                       fi
+               else
+                       LDFLAGS="$saved_LDFLAGS"
+               fi
+
+               for WANTS_RSAREF in "" 1 ; do
+               
+                       if test -z "$WANTS_RSAREF" ; then
+                               LIBS="$saved_LIBS -lcrypto"
+                       else
+                               LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
+                       fi
+
+                       AC_TRY_RUN(
+                               [
+#include <string.h>
+#include <openssl/rand.h>
+#include <openssl/rsa.h>
+#include <openssl/bn.h>
+#include <openssl/sha.h>
+int main(void) 
+{
+       RSA *key; char a[2048],b[2048];;
+       memset(a, 0, sizeof(a));memset(b, 0, sizeof(b));
+       RAND_add(a, sizeof(a), sizeof(a));
+       key=RSA_generate_key(32,3,NULL,NULL);
+       if (key==NULL) return(1);
+       return(-1==RSA_private_decrypt(RSA_size(key),a,b,key,RSA_NO_PADDING));
+}
+                               ],
+                               [
+                                       found_crypto=1
+                                       break;
+                               ], []
+                       )
+               done
+
+               if test ! -z "$found_crypto" ; then
+                       break;
+               fi
+       done
+
+       if test -z "$found_crypto" ; then
+               AC_MSG_ERROR([Could not find working SSLeay / OpenSSL libraries, please install])       
+       fi
+       if test -z "$ssldir" ; then
+               ssldir="(system)"
+       fi
+
+       ac_cv_openssldir=$ssldir
+])
+
+if test ! -z "$ac_cv_openssldir" -a ! "x$ac_cv_openssldir" = "x(system)" ; then
+       AC_DEFINE(HAVE_OPENSSL)
+       dnl Need to recover ssldir - test above runs in subshell
+       ssldir=$ac_cv_openssldir
+       CFLAGS="$saved_CFLAGS -I$ssldir/include"
+       LDFLAGS="$saved_LDFLAGS -L$ssldir/lib -L$ssldir"
+       if test ! -z "$need_dash_r" ; then
+               LDFLAGS="$LDFLAGS -R$ssldir/lib -R$ssldir"
+       fi
+       if test ! -z "$blibpath" ; then
+               blibpath="$blibpath:$ssldir:$ssldir/lib"
+       fi
+fi
+if test -z "$WANTS_RSAREF" ; then
+       LIBS="$saved_LIBS -lcrypto"
+else
+       LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
+fi
+
+
+# Checks for data types
+AC_CHECK_SIZEOF(char, 1)
 AC_CHECK_SIZEOF(short int, 2)
 AC_CHECK_SIZEOF(int, 4)
 AC_CHECK_SIZEOF(long int, 4)
 AC_CHECK_SIZEOF(long long int, 8)
 
-dnl More checks for data types
-AC_MSG_CHECKING([for quad_t])
-AC_TRY_COMPILE(
-       [#include <sys/types.h>], 
-       [quad_t a; a = 1235;], 
-       [
-               AC_DEFINE(HAVE_QUAD_T)
-               AC_MSG_RESULT(yes)
-       ],
-       [AC_MSG_RESULT(no)]
-) 
+# More checks for data types
+AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
+       AC_TRY_COMPILE(
+               [ #include <sys/types.h> ], 
+               [ int8_t a; int16_t b; int32_t c; a = b = c = 1;], 
+               [ ac_cv_have_intxx_t="yes" ],
+               [ ac_cv_have_intxx_t="no" ]
+       )
+])
+if test "x$ac_cv_have_intxx_t" = "xyes" ; then
+       AC_DEFINE(HAVE_INTXX_T)
+       have_intxx_t=1
+fi
+       
+AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
+       AC_TRY_COMPILE(
+               [ #include <sys/types.h> ], 
+               [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;], 
+               [ ac_cv_have_u_intxx_t="yes" ],
+               [ ac_cv_have_u_intxx_t="no" ]
+       )
+])
+if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
+       AC_DEFINE(HAVE_U_INTXX_T)
+       have_u_intxx_t=1
+fi
 
-AC_MSG_CHECKING([for intXX_t types])
-AC_TRY_COMPILE(
-       [#include <sys/types.h>], 
-       [int16_t a; int32_t b; a = 1235; b = 1235;], 
-       [
-               AC_DEFINE(HAVE_INTXX_T)
-               AC_MSG_RESULT(yes)
-       ],
-       [AC_MSG_RESULT(no)]
-) 
 
-AC_MSG_CHECKING([for u_intXX_t types])
-AC_TRY_COMPILE(
-       [#include <sys/types.h>], 
-       [u_int16_t c; u_int32_t d; c = 1235; d = 1235;], 
-       [
-               AC_DEFINE(HAVE_U_INTXX_T)
-               AC_MSG_RESULT(yes)
-       ],
-       [AC_MSG_RESULT(no)]
-) 
+if test -z "$have_u_intxx_t" -o -z "$have_intxx_t" -a \
+           "x$ac_cv_header_sys_bitypes_h" = "xyes"
+then
+       AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
+       AC_TRY_COMPILE(
+               [
+#include <sys/bitypes.h>
+               ], 
+               [
+                       int8_t a; int16_t b; int32_t c;
+                       u_int8_t e; u_int16_t f; u_int32_t g;
+                       a = b = c = e = f = g = 1;
+               ], 
+               [
+                       AC_DEFINE(HAVE_U_INTXX_T)
+                       AC_DEFINE(HAVE_INTXX_T)
+                       AC_MSG_RESULT(yes)
+               ],
+               [AC_MSG_RESULT(no)]
+       ) 
+fi
 
-AC_MSG_CHECKING([For uintXX_t types])
-AC_TRY_COMPILE(
-       [#include <sys/types.h>], 
-       [uint16_t c; uint32_t d; c = 1235; d = 1235;], 
-       [
+if test -z "$have_u_intxx_t" ; then
+       AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
+               AC_TRY_COMPILE(
+                       [
+#include <sys/types.h>
+                       ], 
+                       [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ], 
+                       [ ac_cv_have_uintxx_t="yes" ],
+                       [ ac_cv_have_uintxx_t="no" ]
+               )
+       ])
+       if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
                AC_DEFINE(HAVE_UINTXX_T)
-               AC_MSG_RESULT(yes)
+       fi
+fi
+
+AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
+       AC_TRY_COMPILE(
+               [
+#include <sys/types.h>
+#include <sys/socket.h>
+               ],
+               [socklen_t foo; foo = 1235;],
+               [ ac_cv_have_socklen_t="yes" ],
+               [ ac_cv_have_socklen_t="no" ]
+       )
+])
+if test "x$ac_cv_have_socklen_t" = "xyes" ; then
+       AC_DEFINE(HAVE_SOCKLEN_T)
+fi
+
+AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
+       AC_TRY_COMPILE(
+               [
+#include <sys/types.h>
+               ],
+               [ size_t foo; foo = 1235; ],
+               [ ac_cv_have_size_t="yes" ],
+               [ ac_cv_have_size_t="no" ]
+       )
+])
+if test "x$ac_cv_have_size_t" = "xyes" ; then
+       AC_DEFINE(HAVE_SIZE_T)
+fi
+
+AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
+       AC_TRY_COMPILE(
+               [
+#include <sys/types.h>
+               ],
+               [ ssize_t foo; foo = 1235; ],
+               [ ac_cv_have_ssize_t="yes" ],
+               [ ac_cv_have_ssize_t="no" ]
+       )
+])
+if test "x$ac_cv_have_ssize_t" = "xyes" ; then
+       AC_DEFINE(HAVE_SSIZE_T)
+fi
+
+
+AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
+       AC_TRY_COMPILE(
+               [
+#include <sys/types.h>
+#include <sys/socket.h>
+               ],
+               [ struct sockaddr_storage s; ],
+               [ ac_cv_have_struct_sockaddr_storage="yes" ],
+               [ ac_cv_have_struct_sockaddr_storage="no" ]
+       )
+])
+if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
+       AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
+fi
+
+AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
+       AC_TRY_COMPILE(
+               [
+#include <netinet/in.h>
+               ],
+               [ struct sockaddr_in6 s; s.sin6_family = 0; ],
+               [ ac_cv_have_struct_sockaddr_in6="yes" ],
+               [ ac_cv_have_struct_sockaddr_in6="no" ]
+       )
+])
+if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
+       AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
+fi
+
+AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
+       AC_TRY_COMPILE(
+               [
+#include <netinet/in.h>
+               ],
+               [ struct in6_addr s; s.s6_addr[0] = 0; ],
+               [ ac_cv_have_struct_in6_addr="yes" ],
+               [ ac_cv_have_struct_in6_addr="no" ]
+       )
+])
+if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
+       AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
+fi
+
+AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
+       AC_TRY_COMPILE(
+               [
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+               ],
+               [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
+               [ ac_cv_have_struct_addrinfo="yes" ],
+               [ ac_cv_have_struct_addrinfo="no" ]
+       )
+])
+if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
+       AC_DEFINE(HAVE_STRUCT_ADDRINFO)
+fi
+
+
+# Checks for structure members
+
+OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
+OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
+OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
+OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
+OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
+OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
+OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
+OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
+OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
+OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
+OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
+
+
+AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
+               ac_cv_have_ss_family_in_struct_ss, [
+       AC_TRY_COMPILE(
+               [
+#include <sys/types.h>
+#include <sys/socket.h>
+               ],
+               [ struct sockaddr_storage s; s.ss_family = 1; ],
+               [ ac_cv_have_ss_family_in_struct_ss="yes" ],
+               [ ac_cv_have_ss_family_in_struct_ss="no" ],
+       )
+])
+if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
+       AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
+fi
+
+
+AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
+               ac_cv_have___ss_family_in_struct_ss, [
+       AC_TRY_COMPILE(
+               [
+#include <sys/types.h>
+#include <sys/socket.h>
+               ],
+               [ struct sockaddr_storage s; s.__ss_family = 1; ],
+               [ ac_cv_have___ss_family_in_struct_ss="yes" ],
+               [ ac_cv_have___ss_family_in_struct_ss="no" ]
+       )
+])
+if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
+       AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
+fi
+
+
+AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
+       AC_TRY_LINK([], 
+               [ extern char *__progname; printf("%s", __progname); ], 
+               [ ac_cv_libc_defines___progname="yes" ],
+               [ ac_cv_libc_defines___progname="no" ]
+       )
+])
+if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
+       AC_DEFINE(HAVE___PROGNAME)
+fi
+
+
+# Looking for programs, paths and files
+AC_ARG_WITH(rsh,
+       [  --with-rsh=PATH         Specify path to remote shell program ],
+       [
+               if test "x$withval" != "$no" ; then
+                       AC_DEFINE_UNQUOTED(RSH_PATH, "$withval")
+               fi
        ],
-       [AC_MSG_RESULT(no)]
-) 
+       [
+               AC_PATH_PROG(rsh_path, rsh)
+       ]
+)
 
-dnl Check PAM strerror arguments
-AC_MSG_CHECKING([whether pam_strerror takes only one argument])
-AC_TRY_COMPILE(
+AC_ARG_WITH(xauth,
+       [  --with-xauth=PATH       Specify path to xauth program ],
        [
-               #include <stdlib.h>
-               #include <security/pam_appl.h>
-       ], 
-       [(void)pam_strerror((pam_handle_t *)NULL, -1);], 
-       [AC_MSG_RESULT(no)],
+               if test "x$withval" != "$xno" ; then
+                       AC_DEFINE_UNQUOTED(XAUTH_PATH, "$withval")
+               fi
+       ],
        [
-               AC_DEFINE(HAVE_OLD_PAM)
-               AC_MSG_RESULT(yes)
+               AC_PATH_PROG(xauth_path, xauth)
+               if test ! -z "$xauth_path" -a -x "/usr/openwin/bin/xauth" ; then
+                       xauth_path="/usr/openwin/bin/xauth"
+               fi
        ]
-) 
+)
 
-AC_MSG_CHECKING([whether to build GNOME ssh-askpass])
-dnl Check whether user wants GNOME ssh-askpass
-AC_ARG_WITH(gnome-askpass,
-       [  --with-gnome-askpass    Build the GNOME passphrase requester (default=no)],
+if test ! -z "$xauth_path" ; then
+       AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
+fi
+if test ! -z "$rsh_path" ; then
+       AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
+fi
+
+# Check for mail directory (last resort if we cannot get it from headers)
+if test ! -z "$MAIL" ; then
+       maildir=`dirname $MAIL`
+       AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
+fi
+
+# Look for lastlog location
+AC_ARG_WITH(lastlog,
+       [  --with-lastlog=FILE     Location of lastlog file],
        [
-               if test x$withval = xno ; then
-                       GNOME_ASKPASS="";
+               if test "x$withval" = "xno" ; then
+                       AC_DEFINE(DISABLE_LASTLOG)
                else
-                       GNOME_ASKPASS="gnome-ssh-askpass";
+                       AC_DEFINE_UNQUOTED(LASTLOG_LOCATION, "$withval")
                fi
-       ])
-AC_SUBST(GNOME_ASKPASS)
+       ],
+       [
+               AC_MSG_CHECKING([location of lastlog file])
+               for lastlog in /var/log/lastlog /var/adm/lastlog /usr/adm/lastlog  /etc/security/lastlog ; do
+                       if test -f $lastlog ; then
+                               gotlastlog="file"
+                               break
+                       fi
+                       if test -d $lastlog ; then
+                               gotlastlog="dir"
+                               break
+                       fi
+               done
+               if test -z "$gotlastlog" ; then
+                       AC_MSG_RESULT(not found)
+                       nolastlog=1
+               else
+                       if test "x$gotlastlog" = "xdir" ; then
+                               AC_MSG_RESULT(${lastlog}/)
+                               AC_DEFINE(LASTLOG_IS_DIR)
+                       else
+                               AC_MSG_RESULT($lastlog)
+                               AC_DEFINE_UNQUOTED(LASTLOG_LOCATION, "$lastlog")
+                       fi
+               fi      
+       ]
+)
 
-if test -z "$GNOME_ASKPASS" ; then
-       AC_MSG_RESULT(no)
-else
-       AC_MSG_RESULT(yes)
+if test ! -z "$nolastlog" ; then
+       AC_MSG_WARN([*** Disabling lastlog support *** ])
+       AC_DEFINE(DISABLE_LASTLOG)
 fi
 
-dnl Check for user-specified random device
+if test -z "$no_dev_ptmx" ; then
+       AC_CHECK_FILE("/dev/ptmx", 
+               [
+                       AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
+                       have_dev_ptmx=1
+               ]
+       )
+fi
+AC_CHECK_FILE("/dev/ptc", 
+       [
+               AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
+               have_dev_ptc=1
+       ]
+)
+
+# Options from here on. Some of these are preset by platform above
+
+# Check for user-specified random device, otherwise check /dev/urandom
 AC_ARG_WITH(random,
        [  --with-random=FILE      read randomness from FILE (default=/dev/urandom)],
        [
-               RANDOM_POOL="$withval";
-               AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
+               if test "x$withval" != "xno" ; then
+                       RANDOM_POOL="$withval";
+                       AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
+               fi
        ],
        [
-               dnl Check for random device
+               # Check for random device
                AC_CHECK_FILE("/dev/urandom",
                        [
                                RANDOM_POOL="/dev/urandom"; 
@@ -175,120 +638,277 @@ AC_ARG_WITH(random,
        ]
 )
 
-dnl Check for EGD pool file
+# Check for EGD pool file
 AC_ARG_WITH(egd-pool,
        [  --with-egd-pool=FILE    read randomness from EGD pool FILE (default none)],
        [
-               RANDOM_POOL="$withval";
-               AC_DEFINE(HAVE_EGD)
-               AC_SUBST(RANDOM_POOL)
-               AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
+               if test "x$withval" != "xno" ; then
+                       EGD_SOCKET="$withval";
+                       AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
+               fi
        ]
 )
 
-dnl Make sure we have random number support
-if test -z "$RANDOM_POOL" -a -z "$EGD_POOL"; then
-       AC_MSG_ERROR([No random device found, and no EGD random pool specified])
+# detect pathnames for entropy gathering commands, if we need them
+INSTALL_SSH_PRNG_CMDS=""
+rm -f prng_commands
+if test -z "$RANDOM_POOL" -a -z "$EGD_SOCKET" ; then
+       # Use these commands to collect entropy
+       OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
+       OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
+       OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
+       OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
+       OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
+       OSSH_PATH_ENTROPY_PROG(PROG_W, w)
+       OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
+       OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
+       OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
+       OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
+       OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
+       OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
+       OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
+       OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
+       OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
+
+       INSTALL_SSH_PRNG_CMDS="yes"
 fi
+AC_SUBST(INSTALL_SSH_PRNG_CMDS)
 
-dnl Check for ut_host field in utmp
-AC_MSG_CHECKING([whether utmp.h has ut_host field])
-AC_EGREP_HEADER(ut_host, utmp.h, 
-       [AC_DEFINE(HAVE_HOST_IN_UTMP) AC_MSG_RESULT(yes); ], 
-       [AC_MSG_RESULT(no)]
-)
-
-dnl Check for ut_host field in utmpx
-AC_MSG_CHECKING([whether utmpx.h has ut_host field])
-AC_EGREP_HEADER(ut_host, utmpx.h, 
-       [AC_DEFINE(HAVE_HOST_IN_UTMPX) AC_MSG_RESULT(yes); ], 
-       [AC_MSG_RESULT(no)]
-)
-
-dnl Look for lastlog location
-AC_MSG_CHECKING([location of lastlog file])
-for lastlog in /var/log/lastlog /var/adm/lastlog /etc/security/lastlog ; do
-       if test -f $lastlog ; then
-               gotlastlog="file"
-               break
-       fi
-       if test -d $lastlog ; then
-               gotlastlog="dir"
-               break
-       fi
-done
-if test -z "$gotlastlog" ; then
-       AC_MSG_ERROR([*** Cannot find lastlog ***])
-else
-       if test "x$gotlastlog" = "xdir" ; then
-               AC_DEFINE(LASTLOG_IS_DIR)
-               AC_MSG_ERROR([*** Directory-based lastlogs are not yet supported ***])
-       fi
-       AC_MSG_RESULT($lastlog)
-       AC_DEFINE_UNQUOTED(LASTLOG_LOCATION, "$lastlog")
-fi     
-
-AC_CHECK_FILE("/dev/ptmx", AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX))
-AC_CHECK_FILE("/dev/ptc", AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC))
 
-AC_MSG_CHECKING([whether libc defines __progname])
-AC_TRY_LINK([], 
-       [extern char *__progname; printf("%s", __progname);], 
-       [
-               AC_DEFINE(HAVE___PROGNAME)
-               AC_MSG_RESULT(yes)
-       ], 
+AC_ARG_WITH(catman,
+       [  --with-catman=man|cat   Install preformatted manpages[no]],
        [
-               AC_MSG_RESULT(no)
+               MANTYPE='$(CATMAN)'
+               if test x"$withval" != x"yes" ; then
+                  mansubdir=$withval
+               else
+                  mansubdir=cat
+               fi
+       ], [
+               if test -z "$MANTYPE" ; then
+                       MANTYPE='$(TROFFMAN)'
+                       mansubdir=man
+               fi
        ]
 )
+AC_SUBST(MANTYPE)
+AC_SUBST(mansubdir)
 
-dnl Check whether user wants Kerberos support
+# Check whether user wants Kerberos support
 AC_ARG_WITH(kerberos4,
-       [  --with-kerberos4        Enable Kerberos 4 support],
+       [  --with-kerberos4=PATH   Enable Kerberos 4 support],
        [
-               AC_DEFINE(KRB4)
-               LIBS="$LIBS -lkrb"
-               CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
+               if test "x$withval" != "xno" ; then
+       
+                       if test "x$withval" != "$xyes" ; then
+                               CFLAGS="$CFLAGS -I${withval}/include"
+                               LDFLAGS="$LDFLAGS -L${withval}/lib"
+                               if test ! -z "$need_dash_r" ; then
+                                       LDFLAGS="$LDFLAGS -R${withval}/lib"
+                               fi
+                               if test ! -z "$blibpath" ; then
+                                       blibpath="$blibpath:${withval}/lib"
+                               fi
+                       else
+                               if test -d /usr/include/kerberosIV ; then
+                                       CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
+                               fi
+                       fi
+
+                       AC_CHECK_HEADERS(krb.h)
+                       AC_CHECK_LIB(krb, main)
+                       if test "$ac_cv_header_krb_h" != yes; then
+                               AC_MSG_WARN([Cannot find krb.h, build may fail])
+                       fi
+                       if test "$ac_cv_lib_krb_main" != yes; then
+                               AC_MSG_WARN([Cannot find libkrb, build may fail])
+                       fi
+
+                       KLIBS="-lkrb -ldes"
+                       AC_CHECK_LIB(resolv, dn_expand, , )
+                       KRB4=yes
+                       AC_DEFINE(KRB4)
+               fi
        ]
 )
 
-dnl Check whether user wants AFS support
+# Check whether user wants AFS support
 AC_ARG_WITH(afs,
-       [  --with-afs              Enable AFS support],
+       [  --with-afs=PATH         Enable AFS support],
        [
-               AC_DEFINE(AFS)
-               LIBS="$LIBS -lkafs"
+               if test "x$withval" != "xno" ; then
+
+                       if test "x$withval" != "$xyes" ; then
+                               CFLAGS="$CFLAGS -I${withval}/include"
+                               LFLAGS="$LFLAGS -L${withval}/lib"
+                       fi
+
+                       if test -z "$KRB4" ; then
+                               AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
+                       fi
+
+                       LIBS="$LIBS -lkafs"
+                       if test ! -z "$AFS_LIBS" ; then
+                               LIBS="$LIBS $AFS_LIBS"
+                       fi
+                       AC_DEFINE(AFS)
+               fi
        ]
 )
+LIBS="$LIBS $KLIBS"
 
-dnl Check whether user wants S/Key support
+# Check whether user wants S/Key support
 AC_ARG_WITH(skey,
        [  --with-skey             Enable S/Key support],
        [
-               AC_DEFINE(SKEY)
-               LIBS="$LIBS -lskey"
+               if test "x$withval" != "xno" ; then
+                       AC_DEFINE(SKEY)
+                       LIBS="$LIBS -lskey"
+               fi
        ]
 )
 
-dnl Check whether user wants TCP wrappers support
+# Check whether user wants TCP wrappers support
 AC_ARG_WITH(tcp-wrappers,
        [  --with-tcp-wrappers     Enable tcpwrappers support],
        [
-               AC_DEFINE(LIBWRAP)
-               LIBWRAP="-lwrap"
+               if test "x$withval" != "xno" ; then
+                       saved_LIBS="$LIBS"
+                       LIBS="$LIBS -lwrap"
+                       AC_MSG_CHECKING(for libwrap)
+                       AC_TRY_LINK(
+                               [
+#include <tcpd.h>
+                                       int deny_severity = 0, allow_severity = 0;
+                               ],
+                               [hosts_access(0);],
+                               [
+                                       AC_MSG_RESULT(yes)
+                                       AC_DEFINE(LIBWRAP)
+                               ],
+                               [
+                                       AC_MSG_RESULT(no)
+                                       AC_MSG_WARN([*** libwrap missing - tcpwrapper support disabled ***])
+                                       LIBS="$saved_LIBS"
+                               ]
+                       )
+               fi
        ]
 )
-AC_SUBST(LIBWRAP)
 
-dnl Check whether to enable MD5 passwords
+# Check whether to enable MD5 passwords
 AC_ARG_WITH(md5-passwords,
        [  --with-md5-passwords    Enable use of MD5 passwords],
-       [AC_DEFINE(HAVE_MD5_PASSWORDS)]
+       [
+               if test "x$withval" != "xno" ; then
+                       AC_DEFINE(HAVE_MD5_PASSWORDS)
+               fi
+       ]
 )
 
-dnl Check for the path to xauth
-AC_PATH_PROG(xauth_path, xauth)
-AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
+# Check whether to enable utmpx support
+AC_ARG_WITH(utmpx,
+       [  --with-utmpx            Enable utmpx support],
+       [
+               if test "x$withval" != "xno" ; then
+                       AC_DEFINE(USE_UTMPX)
+               fi
+       ]
+)
+
+# Whether to disable shadow password support
+AC_ARG_WITH(shadow,
+       [  --without-shadow        Disable shadow password support],
+       [
+               if test "x$withval" = "xno" ; then      
+                       AC_DEFINE(DISABLE_SHADOW)
+               fi
+       ]
+)
+
+# Use ip address instead of hostname in $DISPLAY
+AC_ARG_WITH(ipaddr-display,
+       [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
+       [
+               if test "x$withval" = "xno" ; then      
+                       AC_DEFINE(IPADDR_IN_DISPLAY)
+               fi
+       ]
+)
+
+# Whether to mess with the default path
+AC_ARG_WITH(default-path,
+       [  --with-default-path=PATH Specify default \$PATH environment for server],
+       [
+               if test "x$withval" != "xno" ; then     
+                       AC_DEFINE_UNQUOTED(USER_PATH, "$withval")
+               fi
+       ]
+)
+
+# Whether to force IPv4 by default (needed on broken glibc Linux)
+AC_ARG_WITH(ipv4-default,
+       [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
+       [
+               if test "x$withval" != "xno" ; then     
+                       AC_DEFINE(IPV4_DEFAULT)
+               fi
+       ]
+)
+
+AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
+AC_ARG_WITH(4in6,
+       [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
+       [
+               if test "x$withval" != "xno" ; then
+                       AC_MSG_RESULT(yes)
+                       AC_DEFINE(IPV4_IN_IPV6)
+               else
+                       AC_MSG_RESULT(no)
+               fi
+       ],[
+               if test "x$inet6_default_4in6" = "xyes"; then
+                       AC_MSG_RESULT([yes (default)])
+                       AC_DEFINE(IPV4_IN_IPV6)
+               else
+                       AC_MSG_RESULT([no (default)])
+               fi
+       ]
+)
+
+# Where to place sshd.pid
+piddir=/var/run
+AC_ARG_WITH(pid-dir,
+       [  --with-pid-dir=PATH     Specify location of ssh.pid file],
+       [
+               if test "x$withval" != "xno" ; then     
+                       piddir=$withval
+               fi
+       ]
+)
+
+AC_DEFINE_UNQUOTED(PIDDIR, "$piddir")
+AC_SUBST(piddir)
+
+
+# Change default command timeout for builtin PRNG
+entropy_timeout=100
+AC_ARG_WITH(entropy-timeout,
+       [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
+       [
+               if test "x$withval" != "xno" ; then
+                       entropy_timeout=$withval
+               fi
+       ]       
+)
+AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
+
+
+if test ! -z "$blibpath" ; then
+       LDFLAGS="$LDFLAGS -blibpath:$blibpath"
+       AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
+fi
+
+AC_OUTPUT(Makefile ssh_prng_cmds)
+
 
-AC_OUTPUT(Makefile)
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