X-Git-Url: http://andersk.mit.edu/gitweb/gssapi-openssh.git/blobdiff_plain/d44870087da70034f43297ca70c9bf10200edec7..071d8001c928b4929a48dada8d855ebe014b3792:/openssh/configure.ac?ds=sidebyside

diff --git a/openssh/configure.ac b/openssh/configure.ac
index a27c547..afc39b4 100644
--- a/openssh/configure.ac
+++ b/openssh/configure.ac
@@ -19,6 +19,115 @@ AC_REVISION($Revision$)
 AC_CONFIG_SRCDIR([ssh.c])
 
 AC_CONFIG_HEADER(config.h)
+
+# Handle Globus configuration right away, because the Globus flavor
+# determines our compiler options.
+
+# Check whether the user wants GSI (Globus) support
+gsi_path="no"
+AC_ARG_WITH(gsi,
+	[  --with-gsi              Enable Globus GSI authentication support],
+	[
+		gsi_path="$withval"
+	]
+)
+
+AC_ARG_WITH(globus,
+	[  --with-globus           Enable Globus GSI authentication support],
+	[
+		gsi_path="$withval"
+	]
+)
+
+AC_ARG_WITH(globus-static,
+	[  --with-globus-static    Link statically with Globus GSI libraries],
+	[
+		gsi_static="-static"
+		if test "x$gsi_path" = "xno" ; then
+			gsi_path="$withval"
+		fi
+	]
+)
+
+# Check whether the user has a Globus flavor type
+globus_flavor_type="no"
+AC_ARG_WITH(globus-flavor,
+	[  --with-globus-flavor=TYPE  Specify Globus flavor type (ex: gcc32dbg)],
+	[
+		globus_flavor_type="$withval"
+		if test "x$gsi_path" = "xno" ; then
+			gsi_path="yes"
+		fi
+	]
+)
+
+if test "x$gsi_path" != "xno" ; then
+	# Globus GSSAPI configuration
+	AC_MSG_CHECKING(for Globus GSI)
+	AC_DEFINE(GSI, 1, [Define if you want GSI/Globus authentication support.])
+
+	if test "$GSSAPI" -a "$GSSAPI" != "mechglue"; then
+		AC_MSG_ERROR([Previously configured GSSAPI library conflicts with Globus GSI.])
+	fi
+	if test -z "$GSSAPI"; then
+		AC_DEFINE(GSSAPI)
+		GSSAPI="GSI"
+	fi
+
+	if test "x$gsi_path" = "xyes" ; then
+		if test -z "$GLOBUS_LOCATION" ; then
+			AC_MSG_ERROR(GLOBUS_LOCATION environment variable must be set.)
+		else
+			gsi_path="$GLOBUS_LOCATION"
+		fi
+	fi
+	GLOBUS_LOCATION="$gsi_path"
+	export GLOBUS_LOCATION
+	if test ! -d "$GLOBUS_LOCATION" ; then
+		AC_MSG_ERROR(Cannot find Globus installation.  Set GLOBUS_LOCATION environment variable.)
+	fi
+
+        if test "x$globus_flavor_type" = "xno" ; then
+                AC_MSG_ERROR(--with-globus-flavor=TYPE must be specified)
+	fi
+        if test "x$globus_flavor_type" = "xyes" ; then
+                AC_MSG_ERROR(--with-globus-flavor=TYPE must specify a flavor type)
+	fi
+
+	GLOBUS_INCLUDE="${gsi_path}/include/${globus_flavor_type}"
+	if test ! -d "$GLOBUS_INCLUDE" ; then
+		AC_MSG_ERROR(Cannot find Globus flavor-specific include directory: ${GLOBUS_INCLUDE})
+	fi
+	
+	if test -x ${gsi_path}/bin/globus-makefile-header ; then
+		${gsi_path}/bin/globus-makefile-header --flavor=${globus_flavor_type} ${gsi_static} globus_gss_assist | sed 's/ = \(.*\)/="\1"/' > ./gpt_build_tmp.sh
+	elif test -x ${gsi_path}/sbin/globus-makefile-header ; then
+		${gsi_path}/sbin/globus-makefile-header --flavor=${globus_flavor_type} ${gsi_static} globus_gss_assist | sed 's/ = \(.*\)/="\1"/' > ./gpt_build_tmp.sh
+	else
+		AC_MSG_ERROR(Cannot find globus-makefile-header: Globus installation is incomplete)
+	fi
+	. ./gpt_build_tmp.sh
+	if test -z "$GLOBUS_PKG_LIBS" ; then
+		AC_MSG_ERROR(globus-makefile-header failed)
+	fi
+
+    AC_MSG_RESULT($GLOBUS_LOCATION)
+	AC_DEFINE(HAVE_GSSAPI_H)
+
+    CC="$GLOBUS_CC"
+    CFLAGS="$GLOBUS_CFLAGS"
+    CPP="$GLOBUS_CPP"
+	CPPFLAGS="$GLOBUS_CPPFLAGS $GLOBUS_INCLUDES"
+	LIBS="$LIBS $GLOBUS_LIBS $GLOBUS_PKG_LIBS"
+    LD="$GLOBUS_LD"
+	LDFLAGS="$LDFLAGS $GLOBUS_LDFLAGS"
+
+	INSTALL_GSISSH="yes"
+else
+	INSTALL_GSISSH=""
+fi
+# End Globus/GSI section
+
 AC_PROG_CC
 AC_CANONICAL_HOST
 AC_C_BIGENDIAN
@@ -90,6 +199,13 @@ AC_C_INLINE
 
 AC_CHECK_DECL(LLONG_MAX, have_llong_max=1, , [#include <limits.h>])
 
+use_stack_protector=1
+AC_ARG_WITH(stackprotect,
+    [  --without-stackprotect  Don't use compiler's stack protection], [
+    if test "x$withval" = "xno"; then
+	use_stack_protector=0
+    fi ])
+
 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
 	CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wuninitialized"
 	GCC_VER=`$CC -v 2>&1 | $AWK '/gcc version /{print $3}'`
@@ -100,11 +216,61 @@ if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
 		     no_attrib_nonnull=1
 		     ;;
 		2.*) no_attrib_nonnull=1 ;;
-		3.*) CFLAGS="$CFLAGS -Wsign-compare" ;;
-		4.*) CFLAGS="$CFLAGS -Wsign-compare -Wno-pointer-sign" ;;
+		3.*) CFLAGS="$CFLAGS -Wsign-compare -Wformat-security" ;;
+		4.*) CFLAGS="$CFLAGS -Wsign-compare -Wno-pointer-sign -Wformat-security" ;;
 		*) ;;
 	esac
 
+	AC_MSG_CHECKING(if $CC accepts -fno-builtin-memset)
+	saved_CFLAGS="$CFLAGS"
+	CFLAGS="$CFLAGS -fno-builtin-memset"
+	AC_LINK_IFELSE( [AC_LANG_SOURCE([[
+#include <string.h>
+int main(void){char b[10]; memset(b, 0, sizeof(b));}
+		]])],
+		[ AC_MSG_RESULT(yes) ],
+		[ AC_MSG_RESULT(no)
+		  CFLAGS="$saved_CFLAGS" ]
+)
+
+	# -fstack-protector-all doesn't always work for some GCC versions
+	# and/or platforms, so we test if we can.  If it's not supported
+	# on a given platform gcc will emit a warning so we use -Werror.
+	if test "x$use_stack_protector" = "x1"; then
+	    for t in -fstack-protector-all -fstack-protector; do
+		AC_MSG_CHECKING(if $CC supports $t)
+		saved_CFLAGS="$CFLAGS"
+		saved_LDFLAGS="$LDFLAGS"
+		CFLAGS="$CFLAGS $t -Werror"
+		LDFLAGS="$LDFLAGS $t -Werror"
+		AC_LINK_IFELSE(
+			[AC_LANG_SOURCE([
+#include <stdio.h>
+int main(void){char x[[256]]; snprintf(x, sizeof(x), "XXX"); return 0;}
+			 ])],
+		    [ AC_MSG_RESULT(yes)
+		      CFLAGS="$saved_CFLAGS $t"
+		      LDFLAGS="$saved_LDFLAGS $t"
+		      AC_MSG_CHECKING(if $t works)
+		      AC_RUN_IFELSE(
+			[AC_LANG_SOURCE([
+#include <stdio.h>
+int main(void){char x[[256]]; snprintf(x, sizeof(x), "XXX"); return 0;}
+			])],
+			[ AC_MSG_RESULT(yes)
+			  break ],
+			[ AC_MSG_RESULT(no) ],
+			[ AC_MSG_WARN([cross compiling: cannot test])
+			  break ]
+		      )
+		    ],
+		    [ AC_MSG_RESULT(no) ]
+		)
+		CFLAGS="$saved_CFLAGS"
+		LDFLAGS="$saved_LDFLAGS"
+	    done
+	fi
+
 	if test -z "$have_llong_max"; then
 		# retry LLONG_MAX with -std=gnu99, needed on some Linuxes
 		unset ac_cv_have_decl_LLONG_MAX
@@ -222,7 +388,9 @@ AC_CHECK_HEADERS( \
 	sys/cdefs.h \
 	sys/dir.h \
 	sys/mman.h \
+	sys/mount.h \
 	sys/ndir.h \
+	sys/poll.h \
 	sys/prctl.h \
 	sys/pstat.h \
 	sys/select.h \
@@ -230,6 +398,7 @@ AC_CHECK_HEADERS( \
 	sys/stream.h \
 	sys/stropts.h \
 	sys/strtio.h \
+	sys/statvfs.h \
 	sys/sysmacros.h \
 	sys/time.h \
 	sys/timers.h \
@@ -343,7 +512,7 @@ int main(void) { exit(0); }
 		[],
 		[#include <usersec.h>]
 	)
-	AC_CHECK_FUNCS(setauthdb)
+	AC_CHECK_FUNCS(getgrset setauthdb)
 	AC_CHECK_DECL(F_CLOSEM,
 	    AC_DEFINE(HAVE_FCNTL_CLOSEM, 1, [Use F_CLOSEM fcntl for closefrom]),
 	    [],
@@ -392,19 +561,12 @@ int main(void) { exit(0); }
 	AC_DEFINE(BROKEN_SETREGID)
 	;;
 *-*-darwin*)
-	AC_MSG_CHECKING(if we have working getaddrinfo)
-	AC_TRY_RUN([#include <mach-o/dyld.h>
-main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
-		exit(0);
-	else
-		exit(1);
-}], [AC_MSG_RESULT(working)],
-	[AC_MSG_RESULT(buggy)
-	AC_DEFINE(BROKEN_GETADDRINFO, 1, [getaddrinfo is broken (if present)])],
-	[AC_MSG_RESULT(assume it is working)])
+	AC_DEFINE(BROKEN_GETADDRINFO, 1, [Define if getaddrinfo is broken)])
+	AC_DEFINE(BROKEN_GETADDRINFO)
 	AC_DEFINE(SETEUID_BREAKS_SETUID)
 	AC_DEFINE(BROKEN_SETREUID)
 	AC_DEFINE(BROKEN_SETREGID)
+	AC_DEFINE(BROKEN_GLOB, 1, [OS X glob does not do what we expect])
 	AC_DEFINE_UNQUOTED(BIND_8_COMPAT, 1,
 		[Define if your resolver libs need this for getrrsetbyname])
 	AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
@@ -412,6 +574,37 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
 	    [Use tunnel device compatibility to OpenBSD])
 	AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
 	    [Prepend the address family to IP tunnel traffic])
+	AC_MSG_CHECKING(if we have the Security Authorization Session API)
+	AC_TRY_COMPILE([#include <Security/AuthSession.h>],
+		[SessionCreate(0, 0);],
+		[ac_cv_use_security_session_api="yes"
+		 AC_DEFINE(USE_SECURITY_SESSION_API, 1, 
+			[platform has the Security Authorization Session API])
+		 LIBS="$LIBS -framework Security"
+		 AC_MSG_RESULT(yes)],
+		[ac_cv_use_security_session_api="no"
+		 AC_MSG_RESULT(no)])
+	AC_MSG_CHECKING(if we have an in-memory credentials cache)
+	AC_TRY_COMPILE(
+		[#include <Kerberos/Kerberos.h>],
+		[cc_context_t c;
+		 (void) cc_initialize (&c, 0, NULL, NULL);],
+		[AC_DEFINE(USE_CCAPI, 1, 
+			[platform uses an in-memory credentials cache])
+		 LIBS="$LIBS -framework Security"
+		 AC_MSG_RESULT(yes)
+		 if test "x$ac_cv_use_security_session_api" = "xno"; then
+			AC_MSG_ERROR(*** Need a security framework to use the credentials cache API ***)
+		fi],
+		[AC_MSG_RESULT(no)]
+	)
+	m4_pattern_allow(AU_IPv)
+	AC_CHECK_DECL(AU_IPv4, [], 
+	    AC_DEFINE(AU_IPv4, 0, [System only supports IPv4 audit records])
+	    [#include <bsm/audit.h>]
+	AC_DEFINE(LASTLOG_WRITE_PUTUTXLINE, 1,
+	    [Define if pututxline updates lastlog too])
+	)
 	;;
 *-*-dragonfly*)
 	SSHDLIBS="$SSHDLIBS -lcrypt"
@@ -495,11 +688,18 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
 	AC_DEFINE(WITH_ABBREV_NO_TTY)
 	AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
 	;;
+*-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
+	check_for_libcrypt_later=1
+	AC_DEFINE(PAM_TTY_KLUDGE)
+	AC_DEFINE(LOCKED_PASSWD_PREFIX, "!")
+	AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)
+	AC_DEFINE(_PATH_BTMP, "/var/log/btmp", [log for bad login attempts])
+	AC_DEFINE(USE_BTMP, 1, [Use btmp to log bad logins])
+	;;
 *-*-linux*)
 	no_dev_ptmx=1
 	check_for_libcrypt_later=1
 	check_for_openpty_ctty_bug=1
-	AC_DEFINE(DONT_TRY_OTHER_AF, 1, [Workaround more Linux IPv6 quirks])
 	AC_DEFINE(PAM_TTY_KLUDGE, 1,
 		[Work around problematic Linux PAM modules handling of PAM_TTY])
 	AC_DEFINE(LOCKED_PASSWD_PREFIX, "!",
@@ -549,6 +749,7 @@ mips-sony-bsd|mips-sony-newsos4)
 	AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
 	AC_CHECK_HEADER([net/if_tap.h], ,
 	    AC_DEFINE(SSH_TUN_NO_L2, 1, [No layer 2 tunnel support]))
+	AC_DEFINE(BROKEN_GLOB, 1, [FreeBSD glob does not do what we need])
 	;;
 *-*-bsdi*)
 	AC_DEFINE(SETEUID_BREAKS_SETUID)
@@ -662,7 +863,6 @@ mips-sony-bsd|mips-sony-newsos4)
 	;;
 # UnixWare 7.x, OpenUNIX 8
 *-*-sysv5*)
-	check_for_libcrypt_later=1
 	AC_DEFINE(UNIXWARE_LONG_PASSWORDS, 1, [Support passwords > 8 chars])
 	AC_DEFINE(USE_PIPES)
 	AC_DEFINE(SETEUID_BREAKS_SETUID)
@@ -675,8 +875,14 @@ mips-sony-bsd|mips-sony-newsos4)
 		AC_DEFINE(BROKEN_LIBIAF, 1,
 			[ia_uinfo routines not supported by OS yet])
 		AC_DEFINE(BROKEN_UPDWTMPX)
+		AC_CHECK_LIB(prot, getluid,[ LIBS="$LIBS -lprot"
+			AC_CHECK_FUNCS(getluid setluid,,,-lprot)
+			AC_DEFINE(HAVE_SECUREWARE)
+			AC_DEFINE(DISABLE_SHADOW)
+			],,)
 		;;
 	*)	AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
+		check_for_libcrypt_later=1
 		;;
 	esac
 	;;
@@ -775,6 +981,7 @@ mips-sony-bsd|mips-sony-newsos4)
 	AC_DEFINE(SETEUID_BREAKS_SETUID)
 	AC_DEFINE(BROKEN_SETREUID)
 	AC_DEFINE(BROKEN_SETREGID)
+	AC_DEFINE(BROKEN_READV_COMPARISON, 1, [Can't do comparisons on readv])
 	;;
 
 *-*-nto-qnx*)
@@ -785,6 +992,7 @@ mips-sony-bsd|mips-sony-newsos4)
 	AC_DEFINE(MISSING_FD_MASK, 1, [Define on *nto-qnx systems])
 	AC_DEFINE(DISABLE_LASTLOG)
 	AC_DEFINE(SSHD_ACQUIRES_CTTY)
+	AC_DEFINE(BROKEN_SHADOW_EXPIRE, 1, [QNX shadow support is broken])
 	enable_etc_default_login=no	# has incompatible /etc/default/login
 	case "$host" in
 	*-*-nto-qnx6*)
@@ -980,7 +1188,7 @@ dnl    Checks for libutil functions
 AC_CHECK_HEADERS(libutil.h)
 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN, 1,
 	[Define if your libraries define login()])])
-AC_CHECK_FUNCS(logout updwtmp logwtmp)
+AC_CHECK_FUNCS(fmt_scaled logout updwtmp logwtmp)
 
 AC_FUNC_STRFTIME
 
@@ -1214,7 +1422,7 @@ AC_ARG_WITH(audit,
 		AC_CHECK_FUNCS(getaudit, [],
 		    [AC_MSG_ERROR(BSM enabled and required function not found)])
 		# These are optional
-		AC_CHECK_FUNCS(getaudit_addr)
+		AC_CHECK_FUNCS(getaudit_addr aug_get_machine)
 		AC_DEFINE(USE_BSM_AUDIT, 1, [Use BSM audit module])
 		;;
 	  debug)
@@ -1234,6 +1442,8 @@ AC_ARG_WITH(audit,
 dnl    Checks for library functions. Please keep in alphabetical order
 AC_CHECK_FUNCS( \
 	arc4random \
+	arc4random_buf \
+	arc4random_uniform \
 	asprintf \
 	b64_ntop \
 	__b64_ntop \
@@ -1247,6 +1457,7 @@ AC_CHECK_FUNCS( \
 	fchmod \
 	fchown \
 	freeaddrinfo \
+	fstatvfs \
 	futimes \
 	getaddrinfo \
 	getcwd \
@@ -1298,6 +1509,8 @@ AC_CHECK_FUNCS( \
 	sigvec \
 	snprintf \
 	socketpair \
+	statfs \
+	statvfs \
 	strdup \
 	strerror \
 	strlcat \
@@ -1430,6 +1643,8 @@ AC_CHECK_FUNCS(utmpname)
 dnl    Checks for utmpx functions
 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 AC_CHECK_FUNCS(setutxent utmpxname)
+dnl    Checks for lastlog functions
+AC_CHECK_FUNCS(getlastlogxbyname)
 
 AC_CHECK_FUNC(daemon,
 	[AC_DEFINE(HAVE_DAEMON, 1, [Define if your libraries define daemon()])],
@@ -1790,7 +2005,9 @@ AC_ARG_WITH(ssl-dir,
 		fi
 	]
 )
+if test -z "$GLOBUS_LDFLAGS" ; then
 LIBS="-lcrypto $LIBS"
+fi
 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL, 1,
 	[Define if your ssl headers are included
 	with #include <openssl/header.h>]),
@@ -2004,7 +2221,10 @@ AC_CHECK_FUNCS(SHA256_Update EVP_sha256)
 saved_LIBS="$LIBS"
 AC_CHECK_LIB(iaf, ia_openinfo, [
 	LIBS="$LIBS -liaf"
-	AC_CHECK_FUNCS(set_id, [SSHDLIBS="$SSHDLIBS -liaf"])
+	AC_CHECK_FUNCS(set_id, [SSHDLIBS="$SSHDLIBS -liaf"
+				AC_DEFINE(HAVE_LIBIAF, 1,
+        		[Define if system has libiaf that supports set_id])
+				])
 ])
 LIBS="$saved_LIBS"
 
@@ -2588,6 +2808,18 @@ fi
 TYPE_SOCKLEN_T
 
 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
+AC_CHECK_TYPES([fsblkcnt_t, fsfilcnt_t],,,[
+#include <sys/types.h>
+#ifdef HAVE_SYS_BITYPES_H
+#include <sys/bitypes.h>
+#endif
+#ifdef HAVE_SYS_STATFS_H
+#include <sys/statfs.h>
+#endif
+#ifdef HAVE_SYS_STATVFS_H
+#include <sys/statvfs.h>
+#endif
+])
 
 AC_CHECK_TYPES(in_addr_t,,,
 [#include <sys/types.h>
@@ -2736,6 +2968,15 @@ AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
 	AC_DEFINE(HAVE_STRUCT_IN6_ADDR, 1,
 		[define if you have struct in6_addr data type])
+
+dnl Now check for sin6_scope_id
+	AC_CHECK_MEMBERS([struct sockaddr_in6.sin6_scope_id],,,
+		[
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#include <netinet/in.h>
+		])
 fi
 
 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
@@ -2950,6 +3191,16 @@ if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
 		file descriptor passing])
 fi
 
+AC_MSG_CHECKING(if f_fsid has val members)
+AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <sys/statvfs.h>],
+[struct fsid_t t; t.val[0] = 0;],
+	[ AC_MSG_RESULT(yes)
+	  AC_DEFINE(FSID_HAS_VAL, 1, f_fsid has members) ],
+	[ AC_MSG_RESULT(no) ]
+)
+
 AC_CACHE_CHECK([for msg_control field in struct msghdr],
 		ac_cv_have_control_in_msghdr, [
 	AC_COMPILE_IFELSE(
@@ -3201,7 +3452,7 @@ int main() { return 0; }
 SELINUX_MSG="no"
 LIBSELINUX=""
 AC_ARG_WITH(selinux,
-	[  --with-selinux   Enable SELinux support],
+	[  --with-selinux          Enable SELinux support],
 	[ if test "x$withval" != "xno" ; then
 		save_LIBS="$LIBS"
 		AC_DEFINE(WITH_SELINUX,1,[Define if you want SELinux support.])
@@ -3216,6 +3467,55 @@ AC_ARG_WITH(selinux,
 	fi ]
 )
 
+# Finish configuring Globus GSSAPI
+if test "x$gsi_path" != "xno" ; then
+	if test ! -z "$need_dash_r" ; then
+		LDFLAGS="$LDFLAGS -R${gsi_path}/lib"
+	fi
+	if test ! -z "$blibpath" ; then
+		blibpath="$blibpath:${gsi_path}/lib"
+	fi
+	# test that we got the libraries OK
+	AC_TRY_LINK(
+		[],
+		[],
+		[],
+		[
+			AC_MSG_ERROR(link with Globus libraries failed)
+		]
+	)
+    AC_CHECK_FUNCS(globus_gss_assist_map_and_authorize)
+fi
+AC_SUBST(INSTALL_GSISSH)
+
+# Check whether the user wants GSSAPI mechglue support
+AC_ARG_WITH(mechglue,
+	[  --with-mechglue=PATH    Build with GSSAPI mechglue library],
+	[
+		AC_MSG_CHECKING(for mechglue library)
+
+		if test -e ${withval}/libgssapi.a ; then
+		    mechglue_lib=${withval}/libgssapi.a
+		elif test -e ${withval}/lib/libgssapi.a ; then
+		    mechglue_lib=${withval}/lib/libgssapi.a
+		else
+		    AC_MSG_ERROR("Can't find libgssapi in ${withval}");
+		fi
+		LIBS="${mechglue_lib} $LIBS"
+		AC_MSG_RESULT(${mechglue_lib})
+
+		AC_CHECK_LIB(dl, dlopen, , )
+		if test $ac_cv_lib_dl_dlopen = yes; then
+		   LDFLAGS="$LDFLAGS -ldl -Wl,-Bsymbolic"
+		fi
+
+		AC_DEFINE(GSSAPI)
+		AC_DEFINE(MECHGLUE, 1, [Define this if you're building with GSSAPI MechGlue.])
+		GSSAPI="mechglue"
+	]
+)
+
+
 # Check whether user wants Kerberos 5 support
 KRB5_MSG="no"
 AC_ARG_WITH(kerberos5,
@@ -3278,12 +3578,12 @@ AC_ARG_WITH(kerberos5,
 			)
 			AC_SEARCH_LIBS(dn_expand, resolv)
 
-			AC_CHECK_LIB(gssapi,gss_init_sec_context,
+			AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,
 				[ AC_DEFINE(GSSAPI)
-				  K5LIBS="-lgssapi $K5LIBS" ],
-				[ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
+				  K5LIBS="-lgssapi_krb5 $K5LIBS" ],
+				[ AC_CHECK_LIB(gssapi, gss_init_sec_context,
 					[ AC_DEFINE(GSSAPI)
-					  K5LIBS="-lgssapi_krb5 $K5LIBS" ],
+					  K5LIBS="-lgssapi $K5LIBS" ],
 					AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
 					$K5LIBS)
 				],
@@ -3303,7 +3603,21 @@ AC_ARG_WITH(kerberos5,
 			AC_CHECK_HEADER(gssapi_krb5.h, ,
 					[ CPPFLAGS="$oldCPP" ])
 
-		fi
+			# If we're using some other GSSAPI
+			if test "$GSSAPI" -a "$GSSAPI" != "mechglue"; then
+				AC_MSG_ERROR([$GSSAPI GSSAPI library conflicts with Kerberos support.  Use mechglue instead.])
+			fi
+
+			if test -z "$GSSAPI"; then
+				GSSAPI="KRB5";
+			fi
+
+			oldCPP="$CPPFLAGS"
+			CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
+			AC_CHECK_HEADER(gssapi_krb5.h, ,
+					[ CPPFLAGS="$oldCPP" ])
+
+                fi
 		if test ! -z "$need_dash_r" ; then
 			LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
 		fi
@@ -3322,6 +3636,42 @@ AC_ARG_WITH(kerberos5,
 	]
 )
 
+# Check whether user wants AFS_KRB5 support
+AFS_KRB5_MSG="no"
+AC_ARG_WITH(afs-krb5,
+	[  --with-afs-krb5[[=AKLOG_PATH]]  Enable aklog to get token (default=/usr/bin/aklog).],
+	[
+		if test "x$withval" != "xno" ; then
+
+			if test "x$withval" != "xyes" ; then
+				AC_DEFINE_UNQUOTED(AKLOG_PATH, "$withval",
+					[Define this if you want to use AFS/Kerberos 5 option, which runs aklog.])
+			else
+				AC_DEFINE_UNQUOTED(AKLOG_PATH,
+					"/usr/bin/aklog",
+					[Define this if you want to use AFS/Kerberos 5 option, which runs aklog.])
+			fi
+
+			if test -z "$KRB5ROOT" ; then
+				AC_MSG_WARN([AFS_KRB5 requires Kerberos 5 support, build may fail])
+			fi
+
+			LIBS="-lkrbafs -lkrb4 $LIBS"
+			if test ! -z "$AFS_LIBS" ; then
+				LIBS="$LIBS $AFS_LIBS"
+			fi
+			AC_DEFINE(AFS_KRB5, 1,
+				[Define this if you want to use AFS/Kerberos 5 option, which runs aklog.])
+			AFS_KRB5_MSG="yes"
+		fi
+	]
+)
+
+AC_ARG_WITH(session-hooks,
+        [  --with-session-hooks    Enable hooks for executing external commands                                       before/after a session],
+        [ AC_DEFINE(SESSION_HOOKS, 1, [Define this if you want support for startup/shutdown hooks]) ]
+)
+
 # Looking for programs, paths and files
 
 PRIVSEP_PATH=/var/empty
@@ -3357,7 +3707,10 @@ AC_ARG_WITH(xauth,
 	]
 )
 
+# strip causes problems with GSI libraries...
+if test -z "$GLOBUS_LDFLAGS" ; then
 STRIP_OPT=-s
+fi
 AC_ARG_ENABLE(strip,
 	[  --disable-strip         Disable calling strip(1) on install],
 	[
@@ -3982,6 +4335,13 @@ dnl Adding -Werror to CFLAGS early prevents configure tests from running.
 dnl Add now.
 CFLAGS="$CFLAGS $werror_flags"
 
+if grep "#define BROKEN_GETADDRINFO 1" confdefs.h >/dev/null || \
+    test "x$ac_cv_func_getaddrinfo" != "xyes" ; then
+	AC_SUBST(TEST_SSH_IPV6, no)
+else
+	AC_SUBST(TEST_SSH_IPV6, yes)
+fi
+
 AC_EXEEXT
 AC_CONFIG_FILES([Makefile buildpkg.sh opensshd.init openssh.xml \
 	openbsd-compat/Makefile openbsd-compat/regress/Makefile \