]> andersk Git - openssh.git/blobdiff - configure.ac
[configure.ac] Bug 770. Fix --without-rpath.
[openssh.git] / configure.ac
index c396e92d0587875c364fbdc99ccb82ae218061a9..e50a4079c97cc64e33d78f62b2c0b1d82ed22f5a 100644 (file)
@@ -9,11 +9,13 @@ AC_CANONICAL_HOST
 AC_C_BIGENDIAN
 
 # Checks for programs.
+AC_PROG_AWK
 AC_PROG_CPP
 AC_PROG_RANLIB
 AC_PROG_INSTALL
 AC_PATH_PROG(AR, ar)
 AC_PATH_PROGS(PERL, perl5 perl)
+AC_PATH_PROG(SED, sed)
 AC_SUBST(PERL)
 AC_PATH_PROG(ENT, ent)
 AC_SUBST(ENT)
@@ -46,48 +48,82 @@ fi
 AC_SUBST(LD)
        
 AC_C_INLINE
-if test "$GCC" = "yes" || test "$GCC" = "egcs"; then 
+if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
        CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wno-uninitialized"
 fi
 
+AC_ARG_WITH(rpath,
+       [  --without-rpath         Disable auto-added -R linker paths],
+       [
+               if test "x$withval" = "xno" ; then      
+                       need_dash_r=""
+               fi
+               if test "x$withval" = "xyes" ; then
+                       need_dash_r=1
+               fi
+       ]
+)
+
 # Check for some target-specific stuff
 case "$host" in
 *-*-aix*)
-       AFS_LIBS="-lld"
        CPPFLAGS="$CPPFLAGS -I/usr/local/include"
        LDFLAGS="$LDFLAGS -L/usr/local/lib"
-       if (test "$LD" != "gcc" && test -z "$blibpath"); then
-               AC_MSG_CHECKING([if linkage editor ($LD) accepts -blibpath])
-               saved_LDFLAGS="$LDFLAGS"
-               LDFLAGS="$LDFLAGS -blibpath:/usr/lib:/lib:/usr/local/lib"
-               AC_TRY_LINK([],
-                       [],
-                       [
-                               AC_MSG_RESULT(yes)
-                               blibpath="/usr/lib:/lib:/usr/local/lib"
-                       ],
-                       [ AC_MSG_RESULT(no) ]
-               )
-               LDFLAGS="$saved_LDFLAGS"
+       AC_MSG_CHECKING([how to specify blibpath for linker ($LD)])
+       if (test -z "$blibpath"); then
+               blibpath="/usr/lib:/lib:/usr/local/lib"
+       fi
+       saved_LDFLAGS="$LDFLAGS"
+       for tryflags in -blibpath: -Wl,-blibpath: -Wl,-rpath, ;do
+               if (test -z "$blibflags"); then
+                       LDFLAGS="$saved_LDFLAGS $tryflags$blibpath"
+                       AC_TRY_LINK([], [], [blibflags=$tryflags])
+               fi
+       done
+       if (test -z "$blibflags"); then
+               AC_MSG_RESULT(not found)
+               AC_MSG_ERROR([*** must be able to specify blibpath on AIX - check config.log])
+       else
+               AC_MSG_RESULT($blibflags)
        fi
+       LDFLAGS="$saved_LDFLAGS"
+       dnl Check for authenticate.  Might be in libs.a on older AIXes
        AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)],
                [AC_CHECK_LIB(s,authenticate,
                        [ AC_DEFINE(WITH_AIXAUTHENTICATE)
                                LIBS="$LIBS -ls"
                        ])
                ])
+       dnl Check if loginfailed is declared and takes 4 arguments (AIX >= 5.2)
+       AC_CHECK_DECL(loginfailed,
+                [AC_MSG_CHECKING(if loginfailed takes 4 arguments)
+                 AC_TRY_COMPILE(
+                       [#include <usersec.h>],
+                       [(void)loginfailed("user","host","tty",0);],
+                       [AC_MSG_RESULT(yes)
+                        AC_DEFINE(AIX_LOGINFAILED_4ARG)],
+                       [AC_MSG_RESULT(no)]
+               )],
+               [],
+               [#include <usersec.h>]
+       )
+       AC_CHECK_FUNCS(setauthdb)
        AC_DEFINE(BROKEN_GETADDRINFO)
        AC_DEFINE(BROKEN_REALPATH)
+       AC_DEFINE(SETEUID_BREAKS_SETUID)
+       AC_DEFINE(BROKEN_SETREUID)
+       AC_DEFINE(BROKEN_SETREGID)
        dnl AIX handles lastlog as part of its login message
        AC_DEFINE(DISABLE_LASTLOG)
        AC_DEFINE(LOGIN_NEEDS_UTMPX)
+       AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)
        ;;
 *-*-cygwin*)
+       check_for_libcrypt_later=1
        LIBS="$LIBS /usr/lib/textmode.o"
        AC_DEFINE(HAVE_CYGWIN)
        AC_DEFINE(USE_PIPES)
        AC_DEFINE(DISABLE_SHADOW)
-       AC_DEFINE(IPV4_DEFAULT)
        AC_DEFINE(IP_TOS_IS_BROKEN)
        AC_DEFINE(NO_X11_UNIX_SOCKETS)
        AC_DEFINE(NO_IPPORT_RESERVED_CONCEPT)
@@ -108,6 +144,9 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
        [AC_MSG_RESULT(buggy)
        AC_DEFINE(BROKEN_GETADDRINFO)],
        [AC_MSG_RESULT(assume it is working)])
+       AC_DEFINE(SETEUID_BREAKS_SETUID)
+       AC_DEFINE(BROKEN_SETREUID)
+       AC_DEFINE(BROKEN_SETREGID)
        ;;
 *-*-hpux10.26)
        if test -z "$GCC"; then
@@ -119,8 +158,8 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
        AC_DEFINE(USE_PIPES)
        AC_DEFINE(LOGIN_NO_ENDOPT)
        AC_DEFINE(LOGIN_NEEDS_UTMPX)
-       AC_DEFINE(DISABLE_SHADOW)
        AC_DEFINE(DISABLE_UTMP)
+       AC_DEFINE(LOCKED_PASSWD_STRING, "*")
        AC_DEFINE(SPT_TYPE,SPT_PSTAT)
        LIBS="$LIBS -lsec -lsecpw"
        AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
@@ -135,8 +174,8 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
        AC_DEFINE(USE_PIPES)
        AC_DEFINE(LOGIN_NO_ENDOPT)
        AC_DEFINE(LOGIN_NEEDS_UTMPX)
-       AC_DEFINE(DISABLE_SHADOW)
        AC_DEFINE(DISABLE_UTMP)
+       AC_DEFINE(LOCKED_PASSWD_STRING, "*")
        AC_DEFINE(SPT_TYPE,SPT_PSTAT)
        LIBS="$LIBS -lsec"
        AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
@@ -148,8 +187,8 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
        AC_DEFINE(USE_PIPES)
        AC_DEFINE(LOGIN_NO_ENDOPT)
        AC_DEFINE(LOGIN_NEEDS_UTMPX)
-       AC_DEFINE(DISABLE_SHADOW)
        AC_DEFINE(DISABLE_UTMP)
+       AC_DEFINE(LOCKED_PASSWD_STRING, "*")
        AC_DEFINE(SPT_TYPE,SPT_PSTAT)
        LIBS="$LIBS -lsec"
        AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
@@ -159,7 +198,11 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
        LDFLAGS="$LDFLAGS"
        PATH="$PATH:/usr/etc"
        AC_DEFINE(BROKEN_INET_NTOA)
+       AC_DEFINE(SETEUID_BREAKS_SETUID)
+       AC_DEFINE(BROKEN_SETREUID)
+       AC_DEFINE(BROKEN_SETREGID)
        AC_DEFINE(WITH_ABBREV_NO_TTY)
+       AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
        ;;
 *-*-irix6*)
        CPPFLAGS="$CPPFLAGS -I/usr/local/include"
@@ -170,14 +213,26 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
        AC_DEFINE(WITH_IRIX_AUDIT)
        AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
        AC_DEFINE(BROKEN_INET_NTOA)
+       AC_DEFINE(SETEUID_BREAKS_SETUID)
+       AC_DEFINE(BROKEN_SETREUID)
+       AC_DEFINE(BROKEN_SETREGID)
        AC_DEFINE(WITH_ABBREV_NO_TTY)
+       AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
        ;;
 *-*-linux*)
        no_dev_ptmx=1
        check_for_libcrypt_later=1
+       check_for_openpty_ctty_bug=1
        AC_DEFINE(DONT_TRY_OTHER_AF)
        AC_DEFINE(PAM_TTY_KLUDGE)
+       AC_DEFINE(LOCKED_PASSWD_PREFIX, "!!")
+       AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)
        inet6_default_4in6=yes
+       case `uname -r` in
+       1.*|2.0.*)
+               AC_DEFINE(BROKEN_CMSG_TYPE)
+               ;;
+       esac
        ;;
 mips-sony-bsd|mips-sony-newsos4)
        AC_DEFINE(HAVE_NEWS4)
@@ -185,11 +240,18 @@ mips-sony-bsd|mips-sony-newsos4)
        ;;
 *-*-netbsd*)
        check_for_libcrypt_before=1
-       need_dash_r=1
+       if test "x$withval" != "xno" ; then     
+               need_dash_r=1
+       fi
        ;;
 *-*-freebsd*)
        check_for_libcrypt_later=1
        ;;
+*-*-bsdi*)
+       AC_DEFINE(SETEUID_BREAKS_SETUID)
+       AC_DEFINE(BROKEN_SETREUID)
+       AC_DEFINE(BROKEN_SETREGID)
+       ;;
 *-next-*)
        conf_lastlog_location="/usr/adm/lastlog"
        conf_utmp_location=/etc/utmp
@@ -204,12 +266,20 @@ mips-sony-bsd|mips-sony-newsos4)
        ;;
 *-*-solaris*)
        CPPFLAGS="$CPPFLAGS -I/usr/local/include"
-       LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib" 
-       need_dash_r=1
+       if test "x$withval" = "xno" ; then      
+               LDFLAGS="$LDFLAGS -L/usr/local/lib"
+       else
+               LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
+               need_dash_r=1
+       fi
        AC_DEFINE(PAM_SUN_CODEBASE)
        AC_DEFINE(LOGIN_NEEDS_UTMPX)
        AC_DEFINE(LOGIN_NEEDS_TERM)
        AC_DEFINE(PAM_TTY_KLUDGE)
+       AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
+       # Pushing STREAMS modules will cause sshd to acquire a controlling tty.
+       AC_DEFINE(SSHD_ACQUIRES_CTTY)
+       external_path_file=/etc/default/login
        # hardwire lastlog location (can't detect it on some versions)
        conf_lastlog_location="/var/adm/lastlog"
        AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
@@ -236,14 +306,24 @@ mips-sony-bsd|mips-sony-newsos4)
        LDFLAGS="$LDFLAGS -L/usr/local/lib"
        LIBS="$LIBS -lc89"
        AC_DEFINE(USE_PIPES)
+       AC_DEFINE(SSHD_ACQUIRES_CTTY)
+       AC_DEFINE(SETEUID_BREAKS_SETUID)
+       AC_DEFINE(BROKEN_SETREUID)
+       AC_DEFINE(BROKEN_SETREGID)
        ;;
 *-sni-sysv*)
        CPPFLAGS="$CPPFLAGS -I/usr/local/include"
        # /usr/ucblib MUST NOT be searched on ReliantUNIX
        LDFLAGS="$LDFLAGS -L/usr/local/lib"
+       AC_CHECK_LIB(dl, dlsym, ,)
        IPADDR_IN_DISPLAY=yes
        AC_DEFINE(USE_PIPES)
        AC_DEFINE(IP_TOS_IS_BROKEN)
+       AC_DEFINE(SETEUID_BREAKS_SETUID)
+       AC_DEFINE(BROKEN_SETREUID)
+       AC_DEFINE(BROKEN_SETREGID)
+       AC_DEFINE(SSHD_ACQUIRES_CTTY)
+       external_path_file=/etc/default/login
        # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
        # Attention: always take care to bind libsocket and libnsl before libc,
        # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
@@ -252,11 +332,17 @@ mips-sony-bsd|mips-sony-newsos4)
        CPPFLAGS="$CPPFLAGS -I/usr/local/include"
        LDFLAGS="$LDFLAGS -L/usr/local/lib"
        AC_DEFINE(USE_PIPES)
+       AC_DEFINE(SETEUID_BREAKS_SETUID)
+       AC_DEFINE(BROKEN_SETREUID)
+       AC_DEFINE(BROKEN_SETREGID)
        ;;
 *-*-sysv5*)
        CPPFLAGS="$CPPFLAGS -I/usr/local/include"
        LDFLAGS="$LDFLAGS -L/usr/local/lib"
        AC_DEFINE(USE_PIPES)
+       AC_DEFINE(SETEUID_BREAKS_SETUID)
+       AC_DEFINE(BROKEN_SETREUID)
+       AC_DEFINE(BROKEN_SETREGID)
        ;;
 *-*-sysv*)
        CPPFLAGS="$CPPFLAGS -I/usr/local/include"
@@ -273,11 +359,15 @@ mips-sony-bsd|mips-sony-newsos4)
        AC_DEFINE(HAVE_SECUREWARE)
        AC_DEFINE(DISABLE_SHADOW)
        AC_DEFINE(BROKEN_SAVED_UIDS)
+       AC_DEFINE(WITH_ABBREV_NO_TTY)
        AC_CHECK_FUNCS(getluid setluid)
        MANTYPE=man
        do_sco3_extra_lib_check=yes
        ;;
 *-*-sco3.2v5*)
+       if test -z "$GCC"; then
+               CFLAGS="$CFLAGS -belf"
+       fi
        CPPFLAGS="$CPPFLAGS -I/usr/local/include"
        LDFLAGS="$LDFLAGS -L/usr/local/lib"
        LIBS="$LIBS -lprot -lx -ltinfo -lm"
@@ -286,6 +376,10 @@ mips-sony-bsd|mips-sony-newsos4)
        AC_DEFINE(HAVE_SECUREWARE)
        AC_DEFINE(DISABLE_SHADOW)
        AC_DEFINE(DISABLE_FD_PASSING)
+       AC_DEFINE(SETEUID_BREAKS_SETUID)
+       AC_DEFINE(BROKEN_SETREUID)
+       AC_DEFINE(BROKEN_SETREGID)
+       AC_DEFINE(WITH_ABBREV_NO_TTY)
        AC_CHECK_FUNCS(getluid setluid)
        MANTYPE=man
        ;;
@@ -296,6 +390,14 @@ mips-sony-bsd|mips-sony-newsos4)
        LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
        MANTYPE=cat
        ;;
+*-*-unicosmp*)
+       AC_DEFINE(WITH_ABBREV_NO_TTY)
+       AC_DEFINE(USE_PIPES)
+       AC_DEFINE(DISABLE_FD_PASSING)
+       LDFLAGS="$LDFLAGS"
+       LIBS="$LIBS -lgen -lacid"
+       MANTYPE=cat
+       ;;
 *-*-unicos*)
        AC_DEFINE(USE_PIPES)
        AC_DEFINE(DISABLE_FD_PASSING)
@@ -321,12 +423,17 @@ mips-sony-bsd|mips-sony-newsos4)
                        AC_MSG_RESULT(yes)
                        AC_DEFINE(HAVE_OSF_SIA)
                        AC_DEFINE(DISABLE_LOGIN)
+                       AC_DEFINE(DISABLE_FD_PASSING)
                        LIBS="$LIBS -lsecurity -ldb -lm -laud"
                else
                        AC_MSG_RESULT(no)
+                       AC_DEFINE(LOCKED_PASSWD_SUBSTR, "Nologin")
                fi
        fi
-       AC_DEFINE(DISABLE_FD_PASSING)
+       AC_DEFINE(BROKEN_GETADDRINFO)
+       AC_DEFINE(SETEUID_BREAKS_SETUID)
+       AC_DEFINE(BROKEN_SETREUID)
+       AC_DEFINE(BROKEN_SETREGID)
        ;;
 
 *-*-nto-qnx)
@@ -372,17 +479,29 @@ AC_ARG_WITH(libs,
        ]       
 )
 
+AC_MSG_CHECKING(compiler and flags for sanity)
+AC_TRY_RUN([
+#include <stdio.h>
+int main(){exit(0);}
+       ],
+       [       AC_MSG_RESULT(yes) ],
+       [
+               AC_MSG_RESULT(no)
+               AC_MSG_ERROR([*** compiler cannot create working executables, check config.log ***])
+       ]
+)
+
 # Checks for header files.
-AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \
+AC_CHECK_HEADERS(bstring.h crypt.h endian.h features.h floatingpoint.h \
        getopt.h glob.h ia.h lastlog.h limits.h login.h \
        login_cap.h maillock.h netdb.h netgroup.h \
        netinet/in_systm.h paths.h pty.h readpassphrase.h \
        rpc/types.h security/pam_appl.h shadow.h stddef.h stdint.h \
-       strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
-       sys/mman.h sys/select.h sys/stat.h \
-       sys/stropts.h sys/sysmacros.h sys/time.h \
+       strings.h sys/strtio.h sys/audit.h sys/bitypes.h sys/bsdtty.h \
+       sys/cdefs.h sys/mman.h sys/pstat.h sys/select.h sys/stat.h \
+       sys/stropts.h sys/sysmacros.h sys/time.h sys/timers.h \
        sys/un.h time.h tmpdir.h ttyent.h usersec.h \
-       util.h utime.h utmp.h utmpx.h)
+       util.h utime.h utmp.h utmpx.h vis.h)
 
 # Checks for libraries.
 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
@@ -395,20 +514,46 @@ if test "x$with_tcp_wrappers" != "xno" ; then
     fi
 fi
 
-AC_CHECK_FUNC(getspnam, ,
-       AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
+dnl IRIX and Solaris 2.5.1 have dirname() in libgen
+AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
+       AC_CHECK_LIB(gen, dirname,[
+               AC_CACHE_CHECK([for broken dirname],
+                       ac_cv_have_broken_dirname, [
+                       save_LIBS="$LIBS"
+                       LIBS="$LIBS -lgen"
+                       AC_TRY_RUN(
+                               [
+#include <libgen.h>
+#include <string.h>
 
-AC_ARG_WITH(rpath,
-       [  --without-rpath         Disable auto-added -R linker paths],
-       [
-               if test "x$withval" = "xno" ; then      
-                       need_dash_r=""
-               fi
-               if test "x$withval" = "xyes" ; then
-                       need_dash_r=1
+int main(int argc, char **argv) {
+    char *s, buf[32];
+
+    strncpy(buf,"/etc", 32);
+    s = dirname(buf);
+    if (!s || strncmp(s, "/", 32) != 0) {
+       exit(1);
+    } else {
+       exit(0);
+    }
+}
+                               ],
+                               [ ac_cv_have_broken_dirname="no" ],
+                               [ ac_cv_have_broken_dirname="yes" ]
+                       )
+                       LIBS="$save_LIBS"
+               ])
+               if test "x$ac_cv_have_broken_dirname" = "xno" ; then
+                       LIBS="$LIBS -lgen"
+                       AC_DEFINE(HAVE_DIRNAME)
+                       AC_CHECK_HEADERS(libgen.h)
                fi
-       ]
-)
+       ])
+])
+
+AC_CHECK_FUNC(getspnam, ,
+       AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
+AC_SEARCH_LIBS(basename, gen, AC_DEFINE(HAVE_BASENAME))
 
 dnl zlib is required
 AC_ARG_WITH(zlib,
@@ -441,10 +586,10 @@ AC_ARG_WITH(zlib,
 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 
 dnl UnixWare 2.x
-AC_CHECK_FUNC(strcasecmp, 
+AC_CHECK_FUNC(strcasecmp,
        [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 )
-AC_CHECK_FUNC(utimes, 
+AC_CHECK_FUNC(utimes,
        [], [ AC_CHECK_LIB(c89, utimes, [AC_DEFINE(HAVE_UTIMES)
                                        LIBS="$LIBS -lc89"]) ]
 )
@@ -464,7 +609,7 @@ AC_EGREP_CPP(FOUNDIT,
                #ifdef GLOB_ALTDIRFUNC
                FOUNDIT
                #endif
-       ], 
+       ],
        [
                AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
                AC_MSG_RESULT(yes)
@@ -477,17 +622,17 @@ AC_EGREP_CPP(FOUNDIT,
 # Check for g.gl_matchc glob() extension
 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 AC_EGREP_CPP(FOUNDIT,
-        [
-                #include <glob.h>
+       [
+               #include <glob.h>
                int main(void){glob_t g; g.gl_matchc = 1;}
-        ],
-        [
-                AC_DEFINE(GLOB_HAS_GL_MATCHC)
-                AC_MSG_RESULT(yes)
-        ],
-        [
-                AC_MSG_RESULT(no)
-        ]
+       ],
+       [
+               AC_DEFINE(GLOB_HAS_GL_MATCHC)
+               AC_MSG_RESULT(yes)
+       ],
+       [
+               AC_MSG_RESULT(no)
+       ]
 )
 
 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
@@ -497,7 +642,7 @@ AC_TRY_RUN(
 #include <dirent.h>
 int main(void){struct dirent d;exit(sizeof(d.d_name)<=sizeof(char));}
        ],
-       [AC_MSG_RESULT(yes)], 
+       [AC_MSG_RESULT(yes)],
        [
                AC_MSG_RESULT(no)
                AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
@@ -505,10 +650,10 @@ int main(void){struct dirent d;exit(sizeof(d.d_name)<=sizeof(char));}
 )
 
 # Check whether user wants S/Key support
-SKEY_MSG="no" 
+SKEY_MSG="no"
 AC_ARG_WITH(skey,
        [  --with-skey[[=PATH]]      Enable S/Key support
-                            (optionally in PATH)],
+                           (optionally in PATH)],
        [
                if test "x$withval" != "xno" ; then
 
@@ -519,7 +664,7 @@ AC_ARG_WITH(skey,
 
                        AC_DEFINE(SKEY)
                        LIBS="-lskey $LIBS"
-                       SKEY_MSG="yes" 
+                       SKEY_MSG="yes"
        
                        AC_MSG_CHECKING([for s/key support])
                        AC_TRY_RUN(
@@ -541,7 +686,7 @@ int main() { char *ff = skey_keyinfo(""); ff=""; exit(0); }
 TCPW_MSG="no"
 AC_ARG_WITH(tcp-wrappers,
        [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
-                            (optionally in PATH)],
+                           (optionally in PATH)],
        [
                if test "x$withval" != "xno" ; then
                        saved_LIBS="$LIBS"
@@ -591,58 +736,49 @@ AC_ARG_WITH(tcp-wrappers,
        ]
 )
 
-dnl    Checks for library functions.
-AC_CHECK_FUNCS(arc4random b64_ntop bcopy bindresvport_sa \
-       clock fchmod fchown freeaddrinfo futimes gai_strerror \
-       getaddrinfo getcwd getgrouplist getnameinfo getopt getpeereid\
-       getrlimit getrusage getttyent glob inet_aton inet_ntoa \
-       inet_ntop innetgr login_getcapbool md5_crypt memmove \
-       mkdtemp mmap ngetaddrinfo openpty ogetaddrinfo readpassphrase \
-       realpath recvmsg rresvport_af sendmsg setdtablesize setegid \
-       setenv seteuid setgroups setlogin setproctitle setresgid setreuid \
-       setrlimit setsid setpcred setvbuf sigaction sigvec snprintf \
-       socketpair strerror strlcat strlcpy strmode strvis sysconf \
-       tcgetpgrp truncate utimes vhangup vsnprintf waitpid __b64_ntop \                _getpty)
-
-dnl Make sure strsep prototype is defined before defining HAVE_STRSEP
-AC_CHECK_DECL(strsep, [AC_CHECK_FUNCS(strsep)])
+dnl    Checks for library functions. Please keep in alphabetical order
+AC_CHECK_FUNCS(\
+       arc4random __b64_ntop b64_ntop __b64_pton b64_pton \
+       bcopy bindresvport_sa clock fchmod fchown freeaddrinfo futimes \
+       getaddrinfo getcwd getgrouplist getnameinfo getopt \
+       getpeereid _getpty getrlimit getttyent glob inet_aton \
+       inet_ntoa inet_ntop innetgr login_getcapbool md5_crypt memmove \
+       mkdtemp mmap ngetaddrinfo nsleep ogetaddrinfo openlog_r openpty \
+       pstat readpassphrase realpath recvmsg rresvport_af sendmsg \
+       setdtablesize setegid setenv seteuid setgroups setlogin setpcred \
+       setproctitle setregid setresgid setresuid setreuid setrlimit \
+       setsid setvbuf sigaction sigvec snprintf socketpair strerror \
+       strlcat strlcpy strmode strnvis strtoul sysconf tcgetpgrp \
+       truncate utimes vhangup vsnprintf waitpid \
+)
 
-dnl IRIX and Solaris 2.5.1 have dirname() in libgen
-AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
-       AC_CHECK_LIB(gen, dirname,[
-               AC_CACHE_CHECK([for broken dirname],
-                       ac_cv_have_broken_dirname, [
-                       save_LIBS="$LIBS"
-                       LIBS="$LIBS -lgen"
-                       AC_TRY_RUN(
-                               [
-#include <libgen.h>
-#include <string.h>
+# IRIX has a const char return value for gai_strerror()
+AC_CHECK_FUNCS(gai_strerror,[
+       AC_DEFINE(HAVE_GAI_STRERROR)
+       AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
 
-int main(int argc, char **argv) {
-    char *s, buf[32];
+const char *gai_strerror(int);],[
+char *str;
 
-    strncpy(buf,"/etc", 32);
-    s = dirname(buf);
-    if (!s || strncmp(s, "/", 32) != 0) {
-       exit(1);
-    } else {
-       exit(0);
-    }
-}
-                               ],
-                               [ ac_cv_have_broken_dirname="no" ],
-                               [ ac_cv_have_broken_dirname="yes" ]
-                       )
-                       LIBS="$save_LIBS"
-               ])
-               if test "x$ac_cv_have_broken_dirname" = "xno" ; then
-                       LIBS="$LIBS -lgen"
-                       AC_DEFINE(HAVE_DIRNAME)
-                       AC_CHECK_HEADERS(libgen.h)
-               fi
-       ])
-])
+str = gai_strerror(0);],[
+               AC_DEFINE(HAVE_CONST_GAI_STRERROR_PROTO, 1,
+               [Define if gai_strerror() returns const char *])])])
+
+AC_SEARCH_LIBS(nanosleep, rt posix4, AC_DEFINE(HAVE_NANOSLEEP))
+
+dnl Make sure prototypes are defined for these before using them.
+AC_CHECK_DECL(strsep, [AC_CHECK_FUNCS(strsep)])
+AC_CHECK_DECL(getrusage, [AC_CHECK_FUNCS(getrusage)])
+
+dnl tcsendbreak might be a macro
+AC_CHECK_DECL(tcsendbreak,
+       [AC_DEFINE(HAVE_TCSENDBREAK)],
+       [AC_CHECK_FUNCS(tcsendbreak)],
+       [#include <termios.h>]
+)
 
 dnl    Checks for time functions
 AC_CHECK_FUNCS(gettimeofday time)
@@ -653,12 +789,12 @@ dnl    Checks for utmpx functions
 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 AC_CHECK_FUNCS(setutxent utmpxname)
 
-AC_CHECK_FUNC(daemon, 
+AC_CHECK_FUNC(daemon,
        [AC_DEFINE(HAVE_DAEMON)],
        [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 )
 
-AC_CHECK_FUNC(getpagesize, 
+AC_CHECK_FUNC(getpagesize,
        [AC_DEFINE(HAVE_GETPAGESIZE)],
        [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 )
@@ -671,7 +807,7 @@ if test "x$ac_cv_func_snprintf" = "xyes" ; then
 #include <stdio.h>
 int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');}
                ],
-               [AC_MSG_RESULT(yes)], 
+               [AC_MSG_RESULT(yes)],
                [
                        AC_MSG_RESULT(no)
                        AC_DEFINE(BROKEN_SNPRINTF)
@@ -695,17 +831,64 @@ unlink(template); exit(0);
        [
                AC_MSG_RESULT(no)
        ],
-       [ 
+       [
                AC_MSG_RESULT(yes)
                AC_DEFINE(HAVE_STRICT_MKSTEMP)
        ],
        [
                AC_MSG_RESULT(yes)
                AC_DEFINE(HAVE_STRICT_MKSTEMP)
-       ] 
+       ]
 )
 fi
 
+dnl make sure that openpty does not reacquire controlling terminal
+if test ! -z "$check_for_openpty_ctty_bug"; then
+       AC_MSG_CHECKING(if openpty correctly handles controlling tty)
+       AC_TRY_RUN(
+               [
+#include <stdio.h>
+#include <sys/fcntl.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+int
+main()
+{
+       pid_t pid;
+       int fd, ptyfd, ttyfd, status;
+
+       pid = fork();
+       if (pid < 0) {          /* failed */
+               exit(1);
+       } else if (pid > 0) {   /* parent */
+               waitpid(pid, &status, 0);
+               if (WIFEXITED(status))
+                       exit(WEXITSTATUS(status));
+               else
+                       exit(2);
+       } else {                /* child */
+               close(0); close(1); close(2);
+               setsid();
+               openpty(&ptyfd, &ttyfd, NULL, NULL, NULL);
+               fd = open("/dev/tty", O_RDWR | O_NOCTTY);
+               if (fd >= 0)
+                       exit(3);        /* Acquired ctty: broken */
+               else
+                       exit(0);        /* Did not acquire ctty: OK */
+       }
+}
+               ],
+               [
+                       AC_MSG_RESULT(yes)
+               ],
+               [
+                       AC_MSG_RESULT(no)
+                       AC_DEFINE(SSHD_ACQUIRES_CTTY)
+               ]
+       )
+fi
+
 AC_FUNC_GETPGRP
 
 # Check for PAM libs
@@ -721,8 +904,8 @@ AC_ARG_WITH(pam,
                        AC_CHECK_LIB(dl, dlopen, , )
                        AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
                        AC_CHECK_FUNCS(pam_getenvlist)
+                       AC_CHECK_FUNCS(pam_putenv)
 
-                       disable_shadow=yes
                        PAM_MSG="yes"
 
                        AC_DEFINE(USE_PAM)
@@ -744,8 +927,8 @@ if test "x$PAM_MSG" = "xyes" ; then
                [
 #include <stdlib.h>
 #include <security/pam_appl.h>
-               ], 
-               [(void)pam_strerror((pam_handle_t *)NULL, -1);], 
+               ],
+               [(void)pam_strerror((pam_handle_t *)NULL, -1);],
                [AC_MSG_RESULT(no)],
                [
                        AC_DEFINE(HAVE_OLD_PAM)
@@ -816,12 +999,12 @@ AC_TRY_RUN(
 #include <openssl/opensslv.h>
 #define DATA "conftest.sslincver"
 int main(void) {
-        FILE *fd;
-        int rc;
+       FILE *fd;
+       int rc;
 
-        fd = fopen(DATA,"w");
-        if(fd == NULL)
-                exit(1);
+       fd = fopen(DATA,"w");
+       if(fd == NULL)
+               exit(1);
 
        if ((rc = fprintf(fd ,"%x (%s)\n", OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT)) <0)
                exit(1);
@@ -849,12 +1032,12 @@ AC_TRY_RUN(
 #include <openssl/crypto.h>
 #define DATA "conftest.ssllibver"
 int main(void) {
-        FILE *fd;
-        int rc;
+       FILE *fd;
+       int rc;
 
-        fd = fopen(DATA,"w");
-        if(fd == NULL)
-                exit(1);
+       fd = fopen(DATA,"w");
+       if(fd == NULL)
+               exit(1);
 
        if ((rc = fprintf(fd ,"%x (%s)\n", SSLeay(), SSLeay_version(SSLEAY_VERSION))) <0)
                exit(1);
@@ -885,13 +1068,15 @@ int main(void) { exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
        ],
        [
                AC_MSG_RESULT(no)
-               AC_MSG_ERROR(Your OpenSSL headers do not match your library)
+               AC_MSG_ERROR([Your OpenSSL headers do not match your library.
+Check config.log for details.
+Also see contrib/findssl.sh for help identifying header/library mismatches.])
        ]
 )
 
-# Some Linux systems (Slackware) need crypt() from libcrypt, *not* the 
+# Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 # version in OpenSSL. Skip this for PAM
-if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
+if test "x$check_for_libcrypt_later" = "x1"; then
        AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 fi
 
@@ -924,7 +1109,7 @@ AC_ARG_WITH(rand-helper,
        [  --with-rand-helper      Use subprocess to gather strong randomness ],
        [
                if test "x$withval" = "xno" ; then
-                       # Force use of OpenSSL's internal RNG, even if 
+                       # Force use of OpenSSL's internal RNG, even if
                        # the previous test showed it to be unseeded.
                        if test -z "$OPENSSL_SEEDS_ITSELF" ; then
                                AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
@@ -1061,7 +1246,7 @@ test -d /sbin && PATH=$PATH:/sbin
 test -d /usr/sbin && PATH=$PATH:/usr/sbin
 PATH=$PATH:/etc:$OPATH
 
-# These programs are used by the command hashing source to gather entropy 
+# These programs are used by the command hashing source to gather entropy
 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
@@ -1117,8 +1302,8 @@ fi
 # More checks for data types
 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
        AC_TRY_COMPILE(
-               [ #include <sys/types.h> ], 
-               [ u_int a; a = 1;], 
+               [ #include <sys/types.h> ],
+               [ u_int a; a = 1;],
                [ ac_cv_have_u_int="yes" ],
                [ ac_cv_have_u_int="no" ]
        )
@@ -1130,8 +1315,8 @@ fi
 
 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;], 
+               [ #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" ]
        )
@@ -1142,12 +1327,12 @@ if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 fi
 
 if (test -z "$have_intxx_t" && \
-           test "x$ac_cv_header_stdint_h" = "xyes")
+          test "x$ac_cv_header_stdint_h" = "xyes")
 then
     AC_MSG_CHECKING([for intXX_t types in stdint.h])
        AC_TRY_COMPILE(
-               [ #include <stdint.h> ], 
-               [ int8_t a; int16_t b; int32_t c; a = b = c = 1;], 
+               [ #include <stdint.h> ],
+               [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
                [
                        AC_DEFINE(HAVE_INTXX_T)
                        AC_MSG_RESULT(yes)
@@ -1167,8 +1352,8 @@ AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
 #ifdef HAVE_SYS_BITYPES_H
 # include <sys/bitypes.h>
 #endif
-               ], 
-               [ int64_t a; a = 1;], 
+               ],
+               [ int64_t a; a = 1;],
                [ ac_cv_have_int64_t="yes" ],
                [ ac_cv_have_int64_t="no" ]
        )
@@ -1179,8 +1364,8 @@ 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;], 
+               [ #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" ]
        )
@@ -1193,8 +1378,8 @@ fi
 if test -z "$have_u_intxx_t" ; then
     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
        AC_TRY_COMPILE(
-               [ #include <sys/socket.h> ], 
-               [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;], 
+               [ #include <sys/socket.h> ],
+               [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
                [
                        AC_DEFINE(HAVE_U_INTXX_T)
                        AC_MSG_RESULT(yes)
@@ -1205,8 +1390,8 @@ fi
 
 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
        AC_TRY_COMPILE(
-               [ #include <sys/types.h> ], 
-               [ u_int64_t a; a = 1;], 
+               [ #include <sys/types.h> ],
+               [ u_int64_t a; a = 1;],
                [ ac_cv_have_u_int64_t="yes" ],
                [ ac_cv_have_u_int64_t="no" ]
        )
@@ -1219,7 +1404,7 @@ fi
 if test -z "$have_u_int64_t" ; then
     AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
        AC_TRY_COMPILE(
-               [ #include <sys/bitypes.h> ], 
+               [ #include <sys/bitypes.h> ],
                [ u_int64_t a; a = 1],
                [
                        AC_DEFINE(HAVE_U_INT64_T)
@@ -1234,8 +1419,8 @@ if test -z "$have_u_intxx_t" ; then
                AC_TRY_COMPILE(
                        [
 #include <sys/types.h>
-                       ], 
-                       [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ], 
+                       ],
+                       [ 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" ]
                )
@@ -1248,8 +1433,8 @@ fi
 if test -z "$have_uintxx_t" ; then
     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
        AC_TRY_COMPILE(
-               [ #include <stdint.h> ], 
-               [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;], 
+               [ #include <stdint.h> ],
+               [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
                [
                        AC_DEFINE(HAVE_UINTXX_T)
                        AC_MSG_RESULT(yes)
@@ -1259,25 +1444,25 @@ if test -z "$have_uintxx_t" ; then
 fi
 
 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
-           test "x$ac_cv_header_sys_bitypes_h" = "xyes")
+          test "x$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
 
 
@@ -1458,8 +1643,8 @@ fi
 
 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
        AC_TRY_COMPILE(
-               [ #include <sys/time.h> ], 
-               [ struct timeval tv; tv.tv_sec = 1;], 
+               [ #include <sys/time.h> ],
+               [ struct timeval tv; tv.tv_sec = 1;],
                [ ac_cv_have_struct_timeval="yes" ],
                [ ac_cv_have_struct_timeval="no" ]
        )
@@ -1469,12 +1654,16 @@ if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
        have_struct_timeval=1
 fi
 
-# If we don't have int64_t then we can't compile sftp-server.  So don't
-# even attempt to do it. 
+AC_CHECK_TYPES(struct timespec)
+
+# We need int64_t or else certian parts of the compile will fail.
 if test "x$ac_cv_have_int64_t" = "xno" -a \
        "x$ac_cv_sizeof_long_int" != "x8" -a \
        "x$ac_cv_sizeof_long_long_int" = "x0" ; then
-       NO_SFTP='#'
+       echo "OpenSSH requires int64_t support.  Contact your vendor or install"
+       echo "an alternative compiler (I.E., GCC) before continuing."
+       echo ""
+       exit 1;
 else
 dnl test snprintf (broken on SCO w/gcc)
        AC_TRY_RUN(
@@ -1495,7 +1684,7 @@ main()
        strcpy(expected_out, "9223372036854775807");
        snprintf(buf, mazsize, "%lld", num);
        if(strcmp(buf, expected_out) != 0)
-               exit(1);
+               exit(1);
        exit(0);
 }
 #else
@@ -1504,7 +1693,6 @@ main() { exit(0); }
                ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
        )
 fi
-AC_SUBST(NO_SFTP)
 
 dnl Checks for structure members
 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
@@ -1654,8 +1842,8 @@ if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
 fi
 
 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
-       AC_TRY_LINK([], 
-               [ extern char *__progname; printf("%s", __progname); ], 
+       AC_TRY_LINK([],
+               [ extern char *__progname; printf("%s", __progname); ],
                [ ac_cv_libc_defines___progname="yes" ],
                [ ac_cv_libc_defines___progname="no" ]
        )
@@ -1667,8 +1855,8 @@ fi
 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
        AC_TRY_LINK([
 #include <stdio.h>
-], 
-               [ printf("%s", __FUNCTION__); ], 
+],
+               [ printf("%s", __FUNCTION__); ],
                [ ac_cv_cc_implements___FUNCTION__="yes" ],
                [ ac_cv_cc_implements___FUNCTION__="no" ]
        )
@@ -1680,8 +1868,8 @@ fi
 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
        AC_TRY_LINK([
 #include <stdio.h>
-], 
-               [ printf("%s", __func__); ], 
+],
+               [ printf("%s", __func__); ],
                [ ac_cv_cc_implements___func__="yes" ],
                [ ac_cv_cc_implements___func__="no" ]
        )
@@ -1706,8 +1894,8 @@ if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
 fi
 
 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
-       AC_TRY_LINK([], 
-               [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);], 
+       AC_TRY_LINK([],
+               [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
                [ ac_cv_libc_defines_sys_errlist="yes" ],
                [ ac_cv_libc_defines_sys_errlist="no" ]
        )
@@ -1718,8 +1906,8 @@ fi
 
 
 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
-       AC_TRY_LINK([], 
-               [ extern int sys_nerr; printf("%i", sys_nerr);], 
+       AC_TRY_LINK([],
+               [ extern int sys_nerr; printf("%i", sys_nerr);],
                [ ac_cv_libc_defines_sys_nerr="yes" ],
                [ ac_cv_libc_defines_sys_nerr="no" ]
        )
@@ -1728,8 +1916,7 @@ if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
        AC_DEFINE(HAVE_SYS_NERR)
 fi
 
-SCARD_MSG="no" 
-
+SCARD_MSG="no"
 # Check whether user wants sectok support
 AC_ARG_WITH(sectok,
        [  --with-sectok           Enable smartcard support using libsectok],
@@ -1755,7 +1942,7 @@ AC_ARG_WITH(sectok,
                        fi
                        AC_DEFINE(SMARTCARD)
                        AC_DEFINE(USE_SECTOK)
-                       SCARD_MSG="yes, using sectok" 
+                       SCARD_MSG="yes, using sectok"
                fi
        ]
 )
@@ -1775,129 +1962,87 @@ if test x$opensc_config_prefix != x ; then
     LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"
     AC_DEFINE(SMARTCARD)
     AC_DEFINE(USE_OPENSC)
-    SCARD_MSG="yes, using OpenSC" 
+    SCARD_MSG="yes, using OpenSC"
   fi
 fi
 
+# Check libraries needed by DNS fingerprint support
+AC_SEARCH_LIBS(getrrsetbyname, resolv,
+       [AC_DEFINE(HAVE_GETRRSETBYNAME)],
+       [
+               # Needed by our getrrsetbyname()
+               AC_SEARCH_LIBS(res_query, resolv)
+               AC_SEARCH_LIBS(dn_expand, resolv)
+               AC_CHECK_FUNCS(_getshort _getlong)
+               AC_CHECK_MEMBER(HEADER.ad,
+                       [AC_DEFINE(HAVE_HEADER_AD)],,
+                       [#include <arpa/nameser.h>])
+       ])
+
 # Check whether user wants Kerberos 5 support
-KRB5_MSG="no" 
+KRB5_MSG="no"
 AC_ARG_WITH(kerberos5,
-        [  --with-kerberos5=PATH   Enable Kerberos 5 support],
-        [
-                if test "x$withval" != "xno" ; then
-                        if test "x$withval" = "xyes" ; then
-                                KRB5ROOT="/usr/local"
-                        else
-                                KRB5ROOT=${withval}
-                        fi
-                       CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
-                        LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
-                        AC_DEFINE(KRB5)
-                       KRB5_MSG="yes"
-                        AC_MSG_CHECKING(whether we are using Heimdal)
-                        AC_TRY_COMPILE([ #include <krb5.h> ],
-                                       [ char *tmp = heimdal_version; ],
-                                       [ AC_MSG_RESULT(yes)
-                                         AC_DEFINE(HEIMDAL)
-                                         K5LIBS="-lkrb5 -ldes -lcom_err -lasn1 -lroken"
-                                       ],
-                                       [ AC_MSG_RESULT(no)
-                                         K5LIBS="-lkrb5 -lk5crypto -lcom_err"
-                                       ]
-                        )
-                        if test ! -z "$need_dash_r" ; then
-                                LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
-                        fi
-                        if test ! -z "$blibpath" ; then
-                                blibpath="$blibpath:${KRB5ROOT}/lib"
-                        fi
-                        AC_CHECK_LIB(resolv, dn_expand, , )
-
-                        KRB5=yes
-                fi
-        ]
-)
-# Check whether user wants Kerberos 4 support
-KRB4_MSG="no" 
-AC_ARG_WITH(kerberos4,
-       [  --with-kerberos4=PATH   Enable Kerberos 4 support],
+       [  --with-kerberos5=PATH   Enable Kerberos 5 support],
        [
                if test "x$withval" != "xno" ; then
-                       if test "x$withval" != "xyes" ; then
-                               CPPFLAGS="$CPPFLAGS -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:${withval}/lib"
-                               fi
-                       else
-                               if test -d /usr/include/kerberosIV ; then
-                                       CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
-                               fi
-                       fi
-
-                       AC_CHECK_HEADERS(krb.h)
-                       if test "$ac_cv_header_krb_h" != yes; then
-                               AC_MSG_WARN([Cannot find krb.h, build may fail])
-                       fi
-                       AC_CHECK_LIB(krb, main)
-                       if test "$ac_cv_lib_krb_main" != yes; then
-                               AC_CHECK_LIB(krb4, main)
-                               if test "$ac_cv_lib_krb4_main" != yes; then
-                                       AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
-                               else
-                                       KLIBS="-lkrb4"
-                               fi
+                       if test "x$withval" = "xyes" ; then
+                               KRB5ROOT="/usr/local"
                        else
-                               KLIBS="-lkrb"
+                               KRB5ROOT=${withval}
                        fi
-                       AC_CHECK_LIB(des, des_cbc_encrypt)
-                       if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
-                               AC_CHECK_LIB(des425, des_cbc_encrypt)
-                               if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
-                                       AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
-                               else
-                                       KLIBS="-ldes425"
-                               fi
-                       else
-                               KLIBS="-ldes"
+                       CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
+                       LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
+                       AC_DEFINE(KRB5)
+                       KRB5_MSG="yes"
+                       AC_MSG_CHECKING(whether we are using Heimdal)
+                       AC_TRY_COMPILE([ #include <krb5.h> ],
+                                      [ char *tmp = heimdal_version; ],
+                                      [ AC_MSG_RESULT(yes)
+                                        AC_DEFINE(HEIMDAL)
+                                        K5LIBS="-lkrb5 -ldes -lcom_err -lasn1 -lroken"
+                                      ],
+                                      [ AC_MSG_RESULT(no)
+                                        K5LIBS="-lkrb5 -lk5crypto -lcom_err"
+                                      ]
+                       )
+                       if test ! -z "$need_dash_r" ; then
+                               LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
                        fi
-                       AC_CHECK_LIB(resolv, dn_expand, , )
-                       KRB4=yes
-                       KRB4_MSG="yes" 
-                       AC_DEFINE(KRB4)
-               fi
-       ]
-)
-
-# Check whether user wants AFS support
-AFS_MSG="no" 
-AC_ARG_WITH(afs,
-       [  --with-afs=PATH         Enable AFS support],
-       [
-               if test "x$withval" != "xno" ; then
-
-                       if test "x$withval" != "xyes" ; then
-                               CPPFLAGS="$CPPFLAGS -I${withval}/include"
-                               LDFLAGS="$LDFLAGS -L${withval}/lib"
+                       if test ! -z "$blibpath" ; then
+                               blibpath="$blibpath:${KRB5ROOT}/lib"
                        fi
+                       AC_SEARCH_LIBS(dn_expand, resolv)
+
+                       AC_CHECK_LIB(gssapi,gss_init_sec_context,
+                               [ AC_DEFINE(GSSAPI)
+                                 K5LIBS="-lgssapi $K5LIBS" ],
+                               [ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
+                                       [ AC_DEFINE(GSSAPI)
+                                         K5LIBS="-lgssapi_krb5 $K5LIBS" ],
+                                       AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
+                                       $K5LIBS)
+                               ],
+                               $K5LIBS)
+                       
+                       AC_CHECK_HEADER(gssapi.h, ,
+                               [ unset ac_cv_header_gssapi_h
+                                 CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
+                                 AC_CHECK_HEADERS(gssapi.h, ,
+                                       AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
+                                 )
+                               ]
+                       )
 
-                       if test -z "$KRB4" ; then
-                               AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
-                       fi
+                       oldCPP="$CPPFLAGS"
+                       CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
+                       AC_CHECK_HEADER(gssapi_krb5.h, ,
+                                       [ CPPFLAGS="$oldCPP" ])
 
-                       LIBS="-lkafs $LIBS"
-                       if test ! -z "$AFS_LIBS" ; then
-                               LIBS="$LIBS $AFS_LIBS"
-                       fi
-                       AC_DEFINE(AFS)
-                       AFS_MSG="yes" 
+                       KRB5=yes
                fi
        ]
 )
-LIBS="$LIBS $KLIBS $K5LIBS"
+LIBS="$LIBS $K5LIBS"
 
 # Looking for programs, paths and files
 
@@ -1932,6 +2077,17 @@ AC_ARG_WITH(xauth,
        ]
 )
 
+STRIP_OPT=-s
+AC_ARG_ENABLE(strip,
+       [  --disable-strip         Disable calling strip(1) on install],
+       [
+               if test "x$enableval" = "xno" ; then
+                       STRIP_OPT=
+               fi
+       ]
+)
+AC_SUBST(STRIP_OPT)
+
 if test -z "$xauth_path" ; then
        XAUTH_PATH="undefined"
        AC_SUBST(XAUTH_PATH)
@@ -1949,7 +2105,7 @@ fi
 
 if test -z "$no_dev_ptmx" ; then
        if test "x$disable_ptmx_check" != "xyes" ; then
-               AC_CHECK_FILE("/dev/ptmx", 
+               AC_CHECK_FILE("/dev/ptmx",
                        [
                                AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
                                have_dev_ptmx=1
@@ -1957,7 +2113,7 @@ if test -z "$no_dev_ptmx" ; then
                )
        fi
 fi
-AC_CHECK_FILE("/dev/ptc", 
+AC_CHECK_FILE("/dev/ptc",
        [
                AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
                have_dev_ptc=1
@@ -1998,13 +2154,13 @@ fi
 AC_SUBST(mansubdir)
 
 # Check whether to enable MD5 passwords
-MD5_MSG="no" 
+MD5_MSG="no"
 AC_ARG_WITH(md5-passwords,
        [  --with-md5-passwords    Enable use of MD5 passwords],
        [
                if test "x$withval" != "xno" ; then
                        AC_DEFINE(HAVE_MD5_PASSWORDS)
-                       MD5_MSG="yes" 
+                       MD5_MSG="yes"
                fi
        ]
 )
@@ -2044,42 +2200,64 @@ if test ! -z "$IPADDR_IN_DISPLAY" ; then
        DISPLAY_HACK_MSG="yes"
        AC_DEFINE(IPADDR_IN_DISPLAY)
 else
-       DISPLAY_HACK_MSG="no" 
+       DISPLAY_HACK_MSG="no"
        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)
-                               DISPLAY_HACK_MSG="yes" 
+                               DISPLAY_HACK_MSG="yes"
                        fi
                ]
        )
 fi
 
+# check for /etc/default/login and use it if present.
+AC_ARG_ENABLE(etc-default-login,
+       [  --disable-etc-default-login       Disable using PATH from /etc/default/login [no]],,
+[
+AC_CHECK_FILE("/etc/default/login", [ external_path_file=/etc/default/login ])
+
+if test "x$external_path_file" = "x/etc/default/login"; then
+       AC_DEFINE(HAVE_ETC_DEFAULT_LOGIN)
+fi
+])
+
 dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
 if test $ac_cv_func_login_getcapbool = "yes" -a \
        $ac_cv_header_login_cap_h = "yes" ; then
-       USES_LOGIN_CONF=yes
+       external_path_file=/etc/login.conf
 fi
+
 # Whether to mess with the default path
-SERVER_PATH_MSG="(default)" 
+SERVER_PATH_MSG="(default)"
 AC_ARG_WITH(default-path,
        [  --with-default-path=    Specify default \$PATH environment for server],
        [
-               if test "$USES_LOGIN_CONF" = "yes" ; then
+               if test "x$external_path_file" = "x/etc/login.conf" ; then
                        AC_MSG_WARN([
 --with-default-path=PATH has no effect on this system.
 Edit /etc/login.conf instead.])
                elif test "x$withval" != "xno" ; then   
+                       if test ! -z "$external_path_file" ; then
+                               AC_MSG_WARN([
+--with-default-path=PATH will only be used if PATH is not defined in
+$external_path_file .])
+                       fi
                        user_path="$withval"
-                       SERVER_PATH_MSG="$withval" 
+                       SERVER_PATH_MSG="$withval"
                fi
        ],
-       [ if test "$USES_LOGIN_CONF" = "yes" ; then
-       AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
+       [ if test "x$external_path_file" = "x/etc/login.conf" ; then
+               AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
        else
-       AC_TRY_RUN(
-               [
+               if test ! -z "$external_path_file" ; then
+                       AC_MSG_WARN([
+If PATH is defined in $external_path_file, ensure the path to scp is included,
+otherwise scp will not work.])
+               fi
+               AC_TRY_RUN(
+                       [
 /* find out what STDPATH is */
 #include <stdio.h>
 #ifdef HAVE_PATHS_H
@@ -2133,7 +2311,7 @@ main()
                fi
        fi ]
 )
-if test "$USES_LOGIN_CONF" != "yes" ; then
+if test "x$external_path_file" != "x/etc/login.conf" ; then
        AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
        AC_SUBST(user_path)
 fi
@@ -2150,27 +2328,15 @@ AC_ARG_WITH(superuser-path,
 )
 
 
-# Whether to force IPv4 by default (needed on broken glibc Linux)
-IPV4_HACK_MSG="no" 
-AC_ARG_WITH(ipv4-default,
-       [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
-       [
-               if test "x$withval" != "xno" ; then     
-                       AC_DEFINE(IPV4_DEFAULT)
-                       IPV4_HACK_MSG="yes" 
-               fi
-       ]
-)
-
 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
-IPV4_IN6_HACK_MSG="no" 
+IPV4_IN6_HACK_MSG="no"
 AC_ARG_WITH(4in6,
        [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
        [
                if test "x$withval" != "xno" ; then
                        AC_MSG_RESULT(yes)
                        AC_DEFINE(IPV4_IN_IPV6)
-                       IPV4_IN6_HACK_MSG="yes" 
+                       IPV4_IN6_HACK_MSG="yes"
                else
                        AC_MSG_RESULT(no)
                fi
@@ -2178,7 +2344,7 @@ AC_ARG_WITH(4in6,
                if test "x$inet6_default_4in6" = "xyes"; then
                        AC_MSG_RESULT([yes (default)])
                        AC_DEFINE(IPV4_IN_IPV6)
-                       IPV4_IN6_HACK_MSG="yes" 
+                       IPV4_IN6_HACK_MSG="yes"
                else
                        AC_MSG_RESULT([no (default)])
                fi
@@ -2203,7 +2369,7 @@ piddir=/var/run
 if test ! -d $piddir ; then    
        piddir=`eval echo ${sysconfdir}`
        case $piddir in
-               NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
+               NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
        esac
 fi
 
@@ -2225,35 +2391,67 @@ AC_SUBST(piddir)
 dnl allow user to disable some login recording features
 AC_ARG_ENABLE(lastlog,
        [  --disable-lastlog       disable use of lastlog even if detected [no]],
-       [ AC_DEFINE(DISABLE_LASTLOG) ]
+       [
+               if test "x$enableval" = "xno" ; then
+                       AC_DEFINE(DISABLE_LASTLOG)
+               fi
+       ]
 )
 AC_ARG_ENABLE(utmp,
        [  --disable-utmp          disable use of utmp even if detected [no]],
-       [ AC_DEFINE(DISABLE_UTMP) ]
+       [
+               if test "x$enableval" = "xno" ; then
+                       AC_DEFINE(DISABLE_UTMP)
+               fi
+       ]
 )
 AC_ARG_ENABLE(utmpx,
        [  --disable-utmpx         disable use of utmpx even if detected [no]],
-       [ AC_DEFINE(DISABLE_UTMPX) ]
+       [
+               if test "x$enableval" = "xno" ; then
+                       AC_DEFINE(DISABLE_UTMPX)
+               fi
+       ]
 )
 AC_ARG_ENABLE(wtmp,
        [  --disable-wtmp          disable use of wtmp even if detected [no]],
-       [ AC_DEFINE(DISABLE_WTMP) ]
+       [
+               if test "x$enableval" = "xno" ; then
+                       AC_DEFINE(DISABLE_WTMP)
+               fi
+       ]
 )
 AC_ARG_ENABLE(wtmpx,
        [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
-       [ AC_DEFINE(DISABLE_WTMPX) ]
+       [
+               if test "x$enableval" = "xno" ; then
+                       AC_DEFINE(DISABLE_WTMPX)
+               fi
+       ]
 )
 AC_ARG_ENABLE(libutil,
        [  --disable-libutil       disable use of libutil (login() etc.) [no]],
-       [ AC_DEFINE(DISABLE_LOGIN) ]
+       [
+               if test "x$enableval" = "xno" ; then
+                       AC_DEFINE(DISABLE_LOGIN)
+               fi
+       ]
 )
 AC_ARG_ENABLE(pututline,
        [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
-       [ AC_DEFINE(DISABLE_PUTUTLINE) ]
+       [
+               if test "x$enableval" = "xno" ; then
+                       AC_DEFINE(DISABLE_PUTUTLINE)
+               fi
+       ]
 )
 AC_ARG_ENABLE(pututxline,
        [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
-       [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
+       [
+               if test "x$enableval" = "xno" ; then
+                       AC_DEFINE(DISABLE_PUTUTXLINE)
+               fi
+       ]
 )
 AC_ARG_WITH(lastlog,
   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
@@ -2444,8 +2642,8 @@ fi
 
 
 if test ! -z "$blibpath" ; then
-       LDFLAGS="$LDFLAGS -blibpath:$blibpath"
-       AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
+       LDFLAGS="$LDFLAGS $blibflags$blibpath"
+       AC_MSG_WARN([Please check and edit blibpath in LDFLAGS in Makefile])
 fi
 
 dnl remove pam and dl because they are in $LIBPAM
@@ -2483,25 +2681,28 @@ echo "                   Askpass program: $E"
 echo "                      Manual pages: $F"
 echo "                          PID file: $G"
 echo "  Privilege separation chroot path: $H"
-if test "$USES_LOGIN_CONF" = "yes" ; then
-echo "   At runtime, sshd will use the path defined in /etc/login.conf"
+if test "x$external_path_file" = "x/etc/login.conf" ; then
+echo "   At runtime, sshd will use the path defined in $external_path_file"
+echo "   Make sure the path to scp is present, otherwise scp will not work"
 else
 echo "            sshd default user PATH: $I"
+       if test ! -z "$external_path_file"; then
+echo "   (If PATH is set in $external_path_file it will be used instead. If"
+echo "   used, ensure the path to scp is present, otherwise scp will not work.)"
+       fi
 fi
 if test ! -z "$superuser_path" ; then
 echo "          sshd superuser user PATH: $J"
 fi
 echo "                    Manpage format: $MANTYPE"
-echo "                       PAM support: ${PAM_MSG}"
-echo "                KerberosIV support: $KRB4_MSG"
+echo "                       DNS support: $DNS_MSG"
+echo "                       PAM support: $PAM_MSG"
 echo "                 KerberosV support: $KRB5_MSG"
 echo "                 Smartcard support: $SCARD_MSG"
-echo "                       AFS support: $AFS_MSG"
 echo "                     S/KEY support: $SKEY_MSG"
 echo "              TCP Wrappers support: $TCPW_MSG"
 echo "              MD5 password support: $MD5_MSG"
 echo "       IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
-echo "          Use IPv4 by default hack: $IPV4_HACK_MSG"
 echo "           Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
 echo "                  BSD Auth support: $BSD_AUTH_MSG"
 echo "              Random number source: $RAND_MSG"
@@ -2523,17 +2724,11 @@ echo ""
 if test "x$PAM_MSG" = "xyes" ; then
        echo "PAM is enabled. You may need to install a PAM control file "
        echo "for sshd, otherwise password authentication may fail. "
-       echo "Example PAM control files can be found in the contrib/ " 
+       echo "Example PAM control files can be found in the contrib/ "
        echo "subdirectory"
        echo ""
 fi
 
-if test ! -z "$NO_SFTP"; then
-       echo "sftp-server will be disabled.  Your compiler does not "
-       echo "support 64bit integers."
-       echo ""
-fi
-
 if test ! -z "$RAND_HELPER_CMDHASH" ; then
        echo "WARNING: you are using the builtin random number collection "
        echo "service. Please read WARNING.RNG and request that your OS "
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