X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/3276571cbd6a1f80bf0c3a01470a9dd1f92a6478..77bb0bca2e3539ecf8c3cc6efffabd7be67a5b84:/configure.in

diff --git a/configure.in b/configure.in
index e5bdc445..a038c959 100644
--- a/configure.in
+++ b/configure.in
@@ -1,77 +1,256 @@
 AC_INIT(ssh.c)
 
 AC_CONFIG_HEADER(config.h)
+AC_PROG_CC
 AC_CANONICAL_HOST
 
-# C Compiler features
-if test "$GCC" = "yes"; then CFLAGS="$CFLAGS -Wall"; fi
-AC_C_INLINE
-
 # Checks for programs.
-AC_PROG_CC
 AC_PROG_CPP
 AC_PROG_RANLIB
 AC_PROG_INSTALL
 AC_CHECK_PROG(AR, ar, ar)
 AC_PATH_PROG(PERL, perl)
 AC_SUBST(PERL)
+AC_PATH_PROG(ENT, ent)
+AC_SUBST(ENT)
+AC_PATH_PROGS(FILEPRIV, filepriv, true, /sbin:/usr/sbin)
+
+# Use LOGIN_PROGRAM from environment if possible
+if test ! -z "$LOGIN_PROGRAM" ; then
+	AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
+else
+	# Search for login
+	AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
+	if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
+		AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
+	fi
+fi
+
+if test -z "$LD" ; then
+	LD=$CC
+fi
+AC_SUBST(LD)
+	
+# C Compiler features
+AC_C_INLINE
+if test "$GCC" = "yes"; then 
+	CFLAGS="$CFLAGS -Wall"
+fi
+
+CFLAGS="$CFLAGS -I. -I${srcdir-.}"
 
 # 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" && test -z "$blibpath"); then
+		blibpath="/usr/lib:/lib:/usr/local/lib"
+	fi
+	AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
 	AC_DEFINE(BROKEN_GETADDRINFO)
+	MANTYPE='$(CATMAN)'
+	mansubdir=cat
+	dnl AIX handles lastlog as part of its login message
+	AC_DEFINE(DISABLE_LASTLOG)
+	MANTYPE='$(CATMAN)'
+	mansubdir=cat
+	;;
+*-*-cygwin*)
+	LIBS="$LIBS /usr/lib/textmode.o"
+	AC_DEFINE(HAVE_CYGWIN)
+	AC_DEFINE(DISABLE_PAM)
+	AC_DEFINE(DISABLE_SHADOW)
+	AC_DEFINE(IPV4_DEFAULT)
+	AC_DEFINE(IP_TOS_IS_BROKEN)
+	AC_DEFINE(BROKEN_VHANGUP)
+	no_pam=1
+	no_libsocket=1
+	no_libnsl=1
 	;;
 *-*-hpux10*)
 	if test -z "$GCC"; then
-		CFLAGS="$CFLAGS -Aa"
+		CFLAGS="$CFLAGS -Ae"
 	fi
 	CFLAGS="$CFLAGS -D_HPUX_SOURCE"
-	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="$LIBS -lsec"
-		AC_MSG_WARN([This configuration is untested])
-	else
-		AC_MSG_RESULT(no)
-		AC_DEFINE(DISABLE_SHADOW)
-	fi
+	IPADDR_IN_DISPLAY=yes
+	AC_DEFINE(USE_PIPES)
+	AC_DEFINE(DISABLE_SHADOW)
+	AC_DEFINE(DISABLE_UTMP)
+	LIBS="$LIBS -lsec"
+	MANTYPE='$(CATMAN)'
+	mansubdir=cat
+	;;
+*-*-hpux11*)
+	CFLAGS="$CFLAGS -D_HPUX_SOURCE"
+	IPADDR_IN_DISPLAY=yes
+	AC_DEFINE(USE_PIPES)
+	AC_DEFINE(DISABLE_SHADOW)
+	AC_DEFINE(DISABLE_UTMP)
+	LIBS="$LIBS -lsec"
 	MANTYPE='$(CATMAN)'
 	mansubdir=cat
 	;;
 *-*-irix5*)
+	CFLAGS="$CFLAGS -I/usr/local/include"
+	LDFLAGS="$LDFLAGS"
 	MANTYPE='$(CATMAN)'
 	no_libsocket=1
 	no_libnsl=1
+	AC_DEFINE(BROKEN_INET_NTOA)
 	;;
 *-*-irix6*)
+	CFLAGS="$CFLAGS -I/usr/local/include"
+	LDFLAGS="$LDFLAGS"
 	MANTYPE='$(CATMAN)'
-	AC_MSG_WARN([*** Irix 6.x is not tested, please report you experiences *** ])
+	AC_DEFINE(WITH_IRIX_ARRAY)
+	AC_DEFINE(WITH_IRIX_PROJECT)
+	AC_DEFINE(WITH_IRIX_AUDIT)
 	no_libsocket=1
 	no_libnsl=1
+	AC_DEFINE(BROKEN_INET_NTOA)
 	;;
 *-*-linux*)
 	no_dev_ptmx=1
-	need_pty_removed_on_close=1
+	AC_DEFINE(DONT_TRY_OTHER_AF)
+	AC_DEFINE(PAM_TTY_KLUDGE)
+	inet6_default_4in6=yes
 	;;
 *-*-netbsd*)
 	need_dash_r=1
 	;;
+*-next-*)
+	conf_lastlog_location="/usr/adm/lastlog"
+	conf_utmp_location=/etc/utmp
+	conf_wtmp_location=/usr/adm/wtmp
+	MAIL=/usr/spool/mail
+	AC_DEFINE(HAVE_NEXT)
+	CFLAGS="$CFLAGS -I/usr/local/include"
+	;;
 *-*-solaris*)
+	CFLAGS="$CFLAGS -I/usr/local/include"
+	LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib -L/usr/ucblib -R/usr/ucblib"
 	need_dash_r=1
-	AC_DEFINE(USE_UTMPX)
+	# hardwire lastlog location (can't detect it on some versions)
+	conf_lastlog_location="/var/adm/lastlog"
+	AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
+	sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
+	if test "$sol2ver" -ge 8; then
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(DISABLE_UTMP)
+		AC_DEFINE(DISABLE_WTMP)
+	else
+		AC_MSG_RESULT(no)
+	fi
+	;;
+*-*-sunos4*)
+	CFLAGS="$CFLAGS -DSUNOS4"
+	AC_CHECK_FUNCS(getpwanam)
+	conf_utmp_location=/etc/utmp
+	conf_wtmp_location=/var/adm/wtmp
+	conf_lastlog_location=/var/adm/lastlog
+	AC_DEFINE(USE_PIPES)
+	MANTYPE='$(CATMAN)'
+	mansubdir=cat
+	;;
+*-sni-sysv*)
+	CFLAGS="$CFLAGS -I/usr/local/include"
+	LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/ucblib"
+	MANTYPE='$(CATMAN)'
+	AC_DEFINE(IP_TOS_IS_BROKEN)
+	mansubdir=cat
+	LIBS="$LIBS -lgen -lnsl -lucb"
+	;;
+*-*-sysv4.2*)
+	CFLAGS="$CFLAGS -I/usr/local/include"
+	LDFLAGS="$LDFLAGS -L/usr/local/lib"
+	MANTYPE='$(CATMAN)'
+	mansubdir=cat
+	LIBS="$LIBS -lgen -lsocket -lnsl -lresolv"
+	enable_suid_ssh=no
+	;;
+*-*-sysv5*)
+	CFLAGS="$CFLAGS -I/usr/local/include"
+	LDFLAGS="$LDFLAGS -L/usr/local/lib"
+	MANTYPE='$(CATMAN)'
+	mansubdir=cat
+	LIBS="$LIBS -lgen -lsocket"
+	enable_suid_ssh=no
 	;;
 *-*-sysv*)
-	AC_DEFINE(USE_UTMPX)
+	CFLAGS="$CFLAGS -I/usr/local/include"
+	LDFLAGS="$LDFLAGS -L/usr/local/lib"
 	MANTYPE='$(CATMAN)'
 	mansubdir=cat
 	LIBS="$LIBS -lgen -lsocket"
 	;;
+*-*-sco3.2v4*)
+	AC_DEFINE(USE_PIPES)
+	CFLAGS="$CFLAGS -Dftruncate=chsize -I/usr/local/include"
+	LDFLAGS="$LDFLAGS -L/usr/local/lib"
+	MANTYPE='$(CATMAN)'
+	mansubdir=cat
+	LIBS="$LIBS -lgen -lsocket -los -lprot -lx"
+	no_dev_ptmx=1
+	RANLIB=true
+	AC_DEFINE(BROKEN_SYS_TERMIO_H)
+	rsh_path="/usr/bin/rcmd"
+	AC_DEFINE(HAVE_SCO_PROTECTED_PW)
+	;;
+*-*-sco3.2v5*)
+	CFLAGS="$CFLAGS -I/usr/local/include"
+	LDFLAGS="$LDFLAGS -L/usr/local/lib"
+	MANTYPE='$(CATMAN)'
+	mansubdir=cat
+	LIBS="$LIBS -lgen -lsocket -lprot -lx"
+	no_dev_ptmx=1
+	rsh_path="/usr/bin/rcmd"
+	AC_DEFINE(HAVE_SCO_PROTECTED_PW)
+	;;
+*-dec-osf*)
+# This is untested
+	if test ! -z "USE_SIA" ; then
+		AC_MSG_CHECKING(for Digital Unix Security Integration Architecture)
+		if test -f /etc/sia/matrix.conf; then
+			AC_MSG_RESULT(yes)
+			AC_DEFINE(HAVE_OSF_SIA)
+			AC_DEFINE(DISABLE_LOGIN)
+			LIBS="$LIBS -lsecurity -ldb -lm -laud"
+		else
+			AC_MSG_RESULT(no)
+		fi
+	fi
+	;;
 esac
 
+# Allow user to specify flags
+AC_ARG_WITH(cflags,
+	[  --with-cflags           Specify additional flags to pass to compiler],
+	[
+		if test "x$withval" != "xno" ; then
+			CFLAGS="$CFLAGS $withval"
+		fi
+	]	
+)
+AC_ARG_WITH(ldflags,
+	[  --with-ldlags           Specify additional flags to pass to linker],
+	[
+		if test "x$withval" != "xno" ; then
+			LDFLAGS="$LDFLAGS $withval"
+		fi
+	]	
+)
+AC_ARG_WITH(libs,
+	[  --with-libs             Specify additional libraries to link with],
+	[
+		if test "x$withval" != "xno" ; then
+			LIBS="$LIBS $withval"
+		fi
+	]	
+)
+
+
 # Checks for libraries.
 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first ***]))
 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
@@ -84,10 +263,25 @@ if test -z "$no_libnsl" ; then
 fi
 
 # Checks for header files.
-AC_CHECK_HEADERS(bstring.h endian.h lastlog.h login.h maillock.h netdb.h netgroup.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)
+AC_CHECK_HEADERS(bstring.h endian.h floatingpoint.h getopt.h lastlog.h limits.h login.h login_cap.h maillock.h netdb.h netgroup.h netinet/in_systm.h paths.h poll.h pty.h shadow.h security/pam_appl.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h sys/poll.h sys/select.h sys/stat.h sys/stropts.h sys/sysmacros.h sys/time.h sys/ttcompat.h sys/un.h stddef.h time.h ttyent.h usersec.h util.h utmp.h utmpx.h)
+
+dnl    Checks for library functions.
+AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_af clock fchmod freeaddrinfo futimes gai_strerror getaddrinfo getnameinfo getrusage getttyent inet_aton inet_ntoa innetgr login_getcapbool md5_crypt memmove mkdtemp on_exit openpty rresvport_af setenv seteuid setlogin setproctitle setreuid setrlimit sigaction sigvec snprintf strerror strlcat strlcpy strsep strtok_r vsnprintf vhangup _getpty __b64_ntop)
+dnl    Checks for time functions
+AC_CHECK_FUNCS(gettimeofday time)
+dnl    Checks for libutil functions
+AC_CHECK_FUNCS(login logout updwtmp logwtmp)
+dnl    Checks for utmp functions
+AC_CHECK_FUNCS(entutent getutent getutid getutline pututline setutent)
+AC_CHECK_FUNCS(utmpname)
+dnl    Checks for utmpx functions
+AC_CHECK_FUNCS(entutxent getutxent getutxid getutxline pututxline )
+AC_CHECK_FUNCS(setutxent utmpxname)
 
-# Checks for library functions.
-AC_CHECK_FUNCS(arc4random bindresvport_af freeaddrinfo gai_strerror getaddrinfo getpagesize getnameinfo innetgr md5_crypt mkdtemp openpty rresvport_af setenv seteuid setlogin setproctitle setreuid snprintf strlcat strlcpy updwtmpx vsnprintf _getpty)
+AC_CHECK_FUNC(getuserattr, 
+	[AC_DEFINE(HAVE_GETUSERATTR)],
+	[AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
+)
 
 AC_CHECK_FUNC(login, 
 	[AC_DEFINE(HAVE_LOGIN)],
@@ -99,31 +293,64 @@ AC_CHECK_FUNC(daemon,
 	[AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 )
 
+AC_CHECK_FUNC(getpagesize, 
+	[AC_DEFINE(HAVE_GETPAGESIZE)],
+	[AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
+)
+
+# Check for broken snprintf
+if test "x$ac_cv_func_snprintf" = "xyes" ; then
+	AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
+	AC_TRY_RUN(
+		[
+#include <stdio.h>
+int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
+		],
+		[AC_MSG_RESULT(yes)], 
+		[
+			AC_MSG_RESULT(no)
+			AC_DEFINE(BROKEN_SNPRINTF)
+			AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
+		]
+	)
+fi
+
+AC_FUNC_GETPGRP
+
+PAM_MSG="no"
 AC_ARG_WITH(pam,
 	[  --without-pam           Disable PAM support ],
 	[
 		if test "x$withval" = "xno" ; then
 			no_pam=1
 			AC_DEFINE(DISABLE_PAM)
+			PAM_MSG="disabled"
 		fi
 	]
 )
-if test -z "$no_pam" -a "x$ac_cv_header_security_pam_appl_h" = "xyes" ; then
+if (test -z "$no_pam" && test "x$ac_cv_header_security_pam_appl_h" = "xyes") ; then
 	AC_CHECK_LIB(dl, dlopen, , )
 	LIBS="$LIBS -lpam"
 
+	AC_CHECK_FUNCS(pam_getenvlist)
+
+	disable_shadow=yes
+
+	PAM_MSG="yes"
+
 	# 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>
+#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)
+			PAM_MSG="yes (old library)"
 		]
 	) 
 fi
@@ -139,65 +366,125 @@ AC_ARG_WITH(ssl-dir,
 )
 
 saved_LIBS="$LIBS"
+saved_LDFLAGS="$LDFLAGS"
 saved_CFLAGS="$CFLAGS"
 if test "x$prefix" != "xNONE" ; then
 	tryssldir="$tryssldir $prefix"
 fi
-AC_MSG_CHECKING([for OpenSSL/SSLeay directory])
-for ssldir in "" $tryssldir /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
-	if test ! -z "$ssldir" ; then
-		LIBS="$saved_LIBS -L$ssldir"
-		CFLAGS="$CFLAGS -I$ssldir/include"
-		if test "x$need_dash_r" = "x1" ; then
-			LIBS="$LIBS -R$ssldir"
+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
-	fi
-	LIBS="$LIBS -lcrypto"
 
-	AC_TRY_RUN(
-		[
-			#include <openssl/rsa.h>
-			#include <openssl/bn.h>
-			#include <openssl/sha.h>
-			int main(void) 
-			{RSA *key;key=RSA_generate_key(32,3,NULL,NULL);return(key==NULL);}
-		],
-		[
-			AC_DEFINE(HAVE_OPENSSL)
-			found_crypto=1
-			break;
-		], []
-	)
-	AC_TRY_RUN(
-		[
-			#include <ssl/rsa.h>
-			#include <ssl/bn.h>
-			#include <ssl/sha.h>
-			int main(void) 
-			{RSA *key;key=RSA_generate_key(32,3,NULL,NULL);return(key==NULL);}
-		],
-		[
-			AC_DEFINE(HAVE_SSL)
-			found_crypto=1
+		LIBS="$saved_LIBS -lcrypto"
+
+		# Basic test to check for compatible version and correct linking
+		# *does not* test for RSA - that comes later.
+		AC_TRY_RUN(
+			[
+#include <string.h>
+#include <openssl/rand.h>
+int main(void) 
+{
+	char a[2048];
+	memset(a, 0, sizeof(a));
+	RAND_add(a, sizeof(a), sizeof(a));
+	return(RAND_status() <= 0);
+}
+			],
+			[
+				found_crypto=1
+				break;
+			], []
+		)
+
+		if test ! -z "$found_crypto" ; then
 			break;
-		], []
-	)
-done
+		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 "$found_crypto" ; then
-	AC_MSG_ERROR([Could not find working SSLeay / OpenSSL libraries, please install])	
+if (test ! -z "$ac_cv_openssldir" && test "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:$ssldir/lib"
+	fi
 fi
-if test -z "$ssldir" ; then
-	ssldir="(system)"
+LIBS="$saved_LIBS -lcrypto"
+
+# Now test RSA support
+saved_LIBS="$LIBS"
+AC_MSG_CHECKING([for RSA support])
+for WANTS_RSAREF in "" 1 ; do
+	if test -z "$WANTS_RSAREF" ; then
+		LIBS="$saved_LIBS"
+	else
+		LIBS="$saved_LIBS -lRSAglue -lrsaref"
+	fi
+	AC_TRY_RUN([
+#include <string.h>
+#include <openssl/rand.h>
+#include <openssl/rsa.h>
+#include <openssl/bn.h>
+#include <openssl/sha.h>
+int main(void) 
+{
+	int num; RSA *key; static unsigned char p_in[] = "blahblah";
+	unsigned char c[256], p[256];
+	memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
+	if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
+	num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
+	return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
+}
+	],
+	[
+		rsa_works=1
+		break;
+	], [])
+done
+
+if test ! -z "$no_rsa" ; then
+	AC_MSG_RESULT(disabled)
+	RSA_MSG="disabled"
 else
-	CFLAGS="$CFLAGS -I$ssldir/include"
-	LDFLAGS="$LDFLAGS -L$ssldir/lib"
-	if test "x$need_dash_r" = "x1" ; then
-		LDFLAGS="$LDFLAGS -R$ssldir"
+	if test -z "$rsa_works" ; then
+		AC_MSG_WARN([*** No RSA support found *** ])
+		RSA_MSG="no"
+	else
+		if test -z "$WANTS_RSAREF" ; then
+			AC_MSG_RESULT(yes)
+			RSA_MSG="yes"
+		else
+			RSA_MSG="yes (using RSAref)"
+			AC_MSG_RESULT(using RSAref)
+			LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
+		fi
 	fi
 fi
-LIBS="$saved_LIBS -lcrypto"
-AC_MSG_RESULT($ssldir)
 
 # Checks for data types
 AC_CHECK_SIZEOF(char, 1)
@@ -207,41 +494,83 @@ AC_CHECK_SIZEOF(long int, 4)
 AC_CHECK_SIZEOF(long long int, 8)
 
 # More checks for data types
-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)
-		have_intxx_t=1
-	],
-	[AC_MSG_RESULT(no)]
-) 
+AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
+	AC_TRY_COMPILE(
+		[ #include <sys/types.h> ], 
+		[ u_int a; a = 1;], 
+		[ ac_cv_have_u_int="yes" ],
+		[ ac_cv_have_u_int="no" ]
+	)
+])
+if test "x$ac_cv_have_u_int" = "xyes" ; then
+	AC_DEFINE(HAVE_U_INT)
+	have_u_int=1
+fi
 
-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)
-		have_u_intxx_t=1
-	],
-	[AC_MSG_RESULT(no)]
-) 
+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$ac_cv_have_intxx_t" = "xyes" ; then
+	AC_DEFINE(HAVE_INTXX_T)
+	have_intxx_t=1
+fi
+	
+AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
+	AC_TRY_COMPILE(
+		[ #include <sys/types.h> ], 
+		[ int64_t a; a = 1;], 
+		[ ac_cv_have_int64_t="yes" ],
+		[ ac_cv_have_int64_t="no" ]
+	)
+])
+if test "x$ac_cv_have_int64_t" = "xyes" ; then
+	AC_DEFINE(HAVE_INT64_T)
+	have_int64_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
 
-if test -z "$have_u_intxx_t" -o -z "$have_intxx_t" -a \
-           "x$ac_cv_header_sys_bitypes_h" = "xyes"
+AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
+	AC_TRY_COMPILE(
+		[ #include <sys/types.h> ], 
+		[ u_int64_t a; a = 1;], 
+		[ ac_cv_have_u_int64_t="yes" ],
+		[ ac_cv_have_u_int64_t="no" ]
+	)
+])
+if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
+	AC_DEFINE(HAVE_U_INT64_T)
+	have_u_int64_t=1
+fi
+
+if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
+           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>], 
 		[
-			u_int16_t c; u_int32_t d; 
-			int16_t e; int32_t f;
-			c = 1235; d = 1235;
-			e = 1235; f = 1235;
+#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)
@@ -252,195 +581,307 @@ then
 	) 
 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)
-	],
-	[AC_MSG_RESULT(no)]
-) 
+	fi
+fi
 
-AC_MSG_CHECKING([for socklen_t])
-AC_TRY_COMPILE(
-	[
-		#include <sys/types.h>
-		#include <sys/socket.h>
-	],
-	[socklen_t foo; foo = 1235;],
-	[
-		AC_DEFINE(HAVE_SOCKLEN_T)
-		AC_MSG_RESULT(yes)
-	],
-	[AC_MSG_RESULT(no)]
-)
+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_MSG_CHECKING([for size_t])
-AC_TRY_COMPILE(
-	[#include <sys/types.h>],
-	[size_t foo; foo = 1235;],
-	[
-		AC_DEFINE(HAVE_SIZE_T)
-		AC_MSG_RESULT(yes)
-	],
-	[AC_MSG_RESULT(no)]
-)
+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_MSG_CHECKING([for struct sockaddr_storage])
-AC_TRY_COMPILE(
-	[
-		#include <sys/types.h>
-		#include <sys/socket.h>
-	],
-	[struct sockaddr_storage s;],
-	[
-		AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
-		AC_MSG_RESULT(yes)
-	],
-	[AC_MSG_RESULT(no)]
-)
+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_MSG_CHECKING([for struct sockaddr_in6])
-AC_TRY_COMPILE(
-	[#include <netinet/in.h>],
-	[struct sockaddr_in6 s; s.sin6_family = 0;],
-	[
-		AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
-		AC_MSG_RESULT(yes)
-	],
-	[AC_MSG_RESULT(no)]
-)
+AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
+	AC_TRY_COMPILE(
+		[
+#include <sys/types.h>
+#include <sys/socket.h>
+		],
+		[ sa_family_t foo; foo = 1235; ],
+		[ ac_cv_have_sa_family_t="yes" ],
+		[ AC_TRY_COMPILE(
+		  [
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+		],
+		[ sa_family_t foo; foo = 1235; ],
+		[ ac_cv_have_sa_family_t="yes" ],
 
-AC_MSG_CHECKING([for struct in6_addr])
-AC_TRY_COMPILE(
-	[#include <netinet/in.h>],
-	[struct in6_addr s; s.s6_addr[0] = 0;],
-	[
-		AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
-		AC_MSG_RESULT(yes)
-	],
-	[AC_MSG_RESULT(no)]
-)
+		[ ac_cv_have_sa_family_t="no" ]
+	)]
+	)
+])
+if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
+	AC_DEFINE(HAVE_SA_FAMILY_T)
+fi
 
-AC_MSG_CHECKING([for 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_DEFINE(HAVE_STRUCT_ADDRINFO)
-		AC_MSG_RESULT(yes)
-	],
-	[AC_MSG_RESULT(no)]
-)
-
-# Checks for structure members
-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)]
-)
-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)]
-)
-AC_MSG_CHECKING([whether utmpx.h has syslen field])
-AC_EGREP_HEADER(syslen, utmpx.h, 
-	[AC_DEFINE(HAVE_SYSLEN_IN_UTMPX) AC_MSG_RESULT(yes); ], 
-	[AC_MSG_RESULT(no)]
-)
-AC_MSG_CHECKING([whether utmp.h has ut_pid field])
-AC_EGREP_HEADER(ut_pid, utmp.h, 
-	[AC_DEFINE(HAVE_PID_IN_UTMP) AC_MSG_RESULT(yes); ], 
-	[AC_MSG_RESULT(no)]
-)
-AC_MSG_CHECKING([whether utmp.h has ut_type field])
-AC_EGREP_HEADER(ut_type, utmp.h, 
-	[AC_DEFINE(HAVE_TYPE_IN_UTMP) AC_MSG_RESULT(yes); ], 
-	[AC_MSG_RESULT(no)]
-)
-AC_MSG_CHECKING([whether utmp.h has ut_tv field])
-AC_EGREP_HEADER(ut_tv, utmp.h, 
-	[AC_DEFINE(HAVE_TV_IN_UTMP) AC_MSG_RESULT(yes); ], 
-	[AC_MSG_RESULT(no)]
-)
-AC_MSG_CHECKING([whether utmp.h has ut_id field])
-AC_EGREP_HEADER(ut_id, utmp.h, 
-	[AC_DEFINE(HAVE_ID_IN_UTMP) AC_MSG_RESULT(yes); ], 
-	[AC_MSG_RESULT(no)]
-)
-AC_MSG_CHECKING([whether utmp.h has ut_addr field])
-AC_EGREP_HEADER(ut_addr, utmp.h, 
-	[AC_DEFINE(HAVE_ADDR_IN_UTMP) AC_MSG_RESULT(yes); ], 
-	[AC_MSG_RESULT(no)]
-)
-AC_MSG_CHECKING([whether utmpx.h has ut_addr field])
-AC_EGREP_HEADER(ut_addr, utmpx.h, 
-	[AC_DEFINE(HAVE_ADDR_IN_UTMPX) AC_MSG_RESULT(yes); ], 
-	[AC_MSG_RESULT(no)]
-)
-AC_MSG_CHECKING([whether utmp.h has ut_addr_v6 field])
-AC_EGREP_HEADER(ut_addr_v6, utmp.h, 
-	[AC_DEFINE(HAVE_ADDR_V6_IN_UTMP) AC_MSG_RESULT(yes); ], 
-	[AC_MSG_RESULT(no)]
-)
-AC_MSG_CHECKING([whether utmpx.h has ut_addr_v6 field])
-AC_EGREP_HEADER(ut_addr_v6, utmpx.h, 
-	[AC_DEFINE(HAVE_ADDR_V6_IN_UTMPX) AC_MSG_RESULT(yes); ], 
-	[AC_MSG_RESULT(no)]
-)
-
-AC_MSG_CHECKING([whether struct sockaddr_storage has ss_family field])
-AC_TRY_COMPILE(
-	[
-		#include <sys/types.h>
-		#include <sys/socket.h>
-	],
-	[struct sockaddr_storage s; s.ss_family = 1;],
-	[
-		AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
-		AC_MSG_RESULT(yes)
-	],
-	[AC_MSG_RESULT(no)]
-)
-AC_MSG_CHECKING([whether struct sockaddr_storage has __ss_family field])
-AC_TRY_COMPILE(
-	[
-		#include <sys/types.h>
-		#include <sys/socket.h>
-	],
-	[struct sockaddr_storage s; s.__ss_family = 1;],
-	[
-		AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
-		AC_MSG_RESULT(yes)
-	],
-	[AC_MSG_RESULT(no)]
-)
+AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
+	AC_TRY_COMPILE(
+		[
+#include <sys/types.h>
+		],
+		[ pid_t foo; foo = 1235; ],
+		[ ac_cv_have_pid_t="yes" ],
+		[ ac_cv_have_pid_t="no" ]
+	)
+])
+if test "x$ac_cv_have_pid_t" = "xyes" ; then
+	AC_DEFINE(HAVE_PID_T)
+fi
+
+AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
+	AC_TRY_COMPILE(
+		[
+#include <sys/types.h>
+		],
+		[ mode_t foo; foo = 1235; ],
+		[ ac_cv_have_mode_t="yes" ],
+		[ ac_cv_have_mode_t="no" ]
+	)
+])
+if test "x$ac_cv_have_mode_t" = "xyes" ; then
+	AC_DEFINE(HAVE_MODE_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$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
+	AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
+fi
+
+AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
+	AC_TRY_COMPILE(
+		[
+#include <sys/types.h>
+#include <netinet/in.h>
+		],
+		[ struct sockaddr_in6 s; s.sin6_family = 0; ],
+		[ ac_cv_have_struct_sockaddr_in6="yes" ],
+		[ ac_cv_have_struct_sockaddr_in6="no" ]
+	)
+])
+if test "x$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 <sys/types.h>
+#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
+
+dnl 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_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
+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_id, utmpx.h, HAVE_ID_IN_UTMPX)
+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)
+OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
+OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
+OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
+OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
+AC_STRUCT_ST_BLKSIZE
+
+AC_CACHE_CHECK([for sun_len field in struct sockaddr_un],
+		ac_cv_have_sun_len_in_struct_sockaddr_un, [
+	AC_TRY_COMPILE(
+		[
+#include <sys/types.h>
+#include <sys/socket.h>
+		],
+		[ struct sockaddr_un s; s.sun_len = 1; ],
+		[ ac_cv_have_sun_len_in_struct_sockaddr_un="yes" ],
+		[ ac_cv_have_sun_len_in_struct_sockaddr_un="no" ],
+	)
+])
+if test "x$ac_cv_have_sun_len_in_struct_sockaddr_un" = "xyes" ; then
+	AC_DEFINE(HAVE_SUN_LEN_IN_SOCKADDR_UN)
+fi
+
+AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
+		ac_cv_have_ss_family_in_struct_ss, [
+	AC_TRY_COMPILE(
+		[
+#include <sys/types.h>
+#include <sys/socket.h>
+		],
+		[ struct sockaddr_storage s; s.ss_family = 1; ],
+		[ ac_cv_have_ss_family_in_struct_ss="yes" ],
+		[ ac_cv_have_ss_family_in_struct_ss="no" ],
+	)
+])
+if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
+	AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
+fi
+
+AC_CACHE_CHECK([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$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
+	AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
+fi
+
+AC_CACHE_CHECK([for pw_class field in struct passwd],
+		ac_cv_have_pw_class_in_struct_passwd, [
+	AC_TRY_COMPILE(
+		[
+#include <sys/types.h>
+#include <pwd.h>
+		],
+		[ struct passwd p s; p.pw_class = NULL; ],
+		[ ac_cv_have_pw_class_in_struct_passwd="yes" ],
+		[ ac_cv_have_pw_class_in_struct_passwd="no" ]
+	)
+])
+if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
+	AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
+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$ac_cv_libc_defines___progname" = "xyes" ; then
+	AC_DEFINE(HAVE___PROGNAME)
+fi
+
+
+AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
+	AC_TRY_LINK([], 
+		[ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);], 
+		[ ac_cv_libc_defines_sys_errlist="yes" ],
+		[ ac_cv_libc_defines_sys_errlist="no" ]
+	)
+])
+if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
+	AC_DEFINE(HAVE_SYS_ERRLIST)
+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_cv_libc_defines_sys_nerr="yes" ],
+		[ ac_cv_libc_defines_sys_nerr="no" ]
+	)
+])
+if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
+	AC_DEFINE(HAVE_SYS_NERR)
+fi
 
-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_MSG_RESULT(no)
-	]
-)
 
 # Looking for programs, paths and files
 AC_ARG_WITH(rsh,
 	[  --with-rsh=PATH         Specify path to remote shell program ],
 	[
-		if test "x$withval" != "$xno" ; then
-			AC_DEFINE_UNQUOTED(RSH_PATH, "$withval")
+		if test "x$withval" != "$no" ; then
+			rsh_path=$withval
 		fi
 	],
 	[
@@ -452,12 +893,12 @@ AC_ARG_WITH(xauth,
 	[  --with-xauth=PATH       Specify path to xauth program ],
 	[
 		if test "x$withval" != "$xno" ; then
-			AC_DEFINE_UNQUOTED(XAUTH_PATH, "$withval")
+			xauth_path=$withval
 		fi
 	],
 	[
-		AC_PATH_PROG(xauth_path, xauth)
-		if test ! -z "$xauth_path" -a -x "/usr/openwin/bin/xauth" ; then
+		AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
+		if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
 			xauth_path="/usr/openwin/bin/xauth"
 		fi
 	]
@@ -476,48 +917,6 @@ if test ! -z "$MAIL" ; then
 	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$withval" = "xno" ; then
-			AC_DEFINE(DISABLE_LASTLOG)
-		else
-			AC_DEFINE_UNQUOTED(LASTLOG_LOCATION, "$withval")
-		fi
-	],
-	[
-		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 "$nolastlog" ; then
-	AC_MSG_WARN([*** Disabling lastlog support *** ])
-	AC_DEFINE(DISABLE_LASTLOG)
-fi
-
 if test -z "$no_dev_ptmx" ; then
 	AC_CHECK_FILE("/dev/ptmx", 
 		[
@@ -533,41 +932,16 @@ AC_CHECK_FILE("/dev/ptc",
 	]
 )
 
-# Some systems (defined in platform-specific code above) automagically remove
-# Unix98 ptys when they are closed
-if test "x$ac_cv_func_openpty" = "xyes" -o "x$have_dev_ptmx" = "x1" -o "x$have_dev_ptc" = "x1" ; then
-	if test "x$need_pty_removed_on_close" = "x1" ; then
-		AC_DEFINE(PTY_REMOVED_ON_CLOSE)
-	fi
-fi
-
 # Options from here on. Some of these are preset by platform above
 
-# Check whether user wants GNOME ssh-askpass
-AC_MSG_CHECKING([whether to build GNOME ssh-askpass])
-AC_ARG_WITH(gnome-askpass,
-	[  --with-gnome-askpass    Build the GNOME passphrase requester (default=no)],
-	[
-		if test x$withval = xno ; then
-			GNOME_ASKPASS="";
-		else
-			GNOME_ASKPASS="gnome-ssh-askpass";
-		fi
-	])
-AC_SUBST(GNOME_ASKPASS)
-
-if test -z "$GNOME_ASKPASS" ; then
-	AC_MSG_RESULT(no)
-else
-	AC_MSG_RESULT(yes)
-fi
-
 # 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, "$RANDOM_POOL")
+		fi
 	],
 	[
 		# Check for random device
@@ -585,17 +959,38 @@ AC_ARG_WITH(random,
 AC_ARG_WITH(egd-pool,
 	[  --with-egd-pool=FILE    read randomness from EGD pool FILE (default none)],
 	[
-		RANDOM_POOL="$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
 	]
 )
 
-# Make sure we have some 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 "$RANDOM_POOL" && test -z "$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)
+
 
 AC_ARG_WITH(catman,
 	[  --with-catman=man|cat   Install preformatted manpages[no]],
@@ -617,14 +1012,21 @@ AC_SUBST(MANTYPE)
 AC_SUBST(mansubdir)
 
 # Check whether user wants Kerberos support
+KRB4_MSG="no" 
 AC_ARG_WITH(kerberos4,
 	[  --with-kerberos4=PATH   Enable Kerberos 4 support],
 	[
-		if test "x$withval" != "$xno" ; then
+		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"
@@ -643,16 +1045,18 @@ AC_ARG_WITH(kerberos4,
 			KLIBS="-lkrb -ldes"
 			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" != "xno" ; then
 
 			if test "x$withval" != "$xyes" ; then
 				CFLAGS="$CFLAGS -I${withval}/include"
@@ -668,49 +1072,61 @@ AC_ARG_WITH(afs,
 				LIBS="$LIBS $AFS_LIBS"
 			fi
 			AC_DEFINE(AFS)
+			AFS_MSG="yes" 
 		fi
 	]
 )
 LIBS="$LIBS $KLIBS"
 
 # Check whether user wants S/Key support
+SKEY_MSG="no" 
 AC_ARG_WITH(skey,
 	[  --with-skey             Enable S/Key support],
 	[
-		if test "x$withval" != "$xno" ; then
+		if test "x$withval" != "xno" ; then
 			AC_DEFINE(SKEY)
 			LIBS="$LIBS -lskey"
+			SKEY_MSG="yes" 
 		fi
 	]
 )
 
 # Check whether user wants TCP wrappers support
+TCPW_MSG="no" 
 AC_ARG_WITH(tcp-wrappers,
 	[  --with-tcp-wrappers     Enable tcpwrappers support],
 	[
-		if test "x$withval" != "$xno" ; then
-			AC_DEFINE(LIBWRAP)
+		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)
+					TCPW_MSG="yes" 
+				],
+				[
+					AC_MSG_ERROR([*** libwrap missing])
+				]
+			)
 		fi
 	]
 )
 
 # Check whether to enable MD5 passwords
+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)
-		fi
-	]
-)
-
-# Check whether to enable utmpx support
-AC_ARG_WITH(utmpx,
-	[  --with-utmpx            Enable utmpx support],
 	[
 		if test "x$withval" != "xno" ; then
-			AC_DEFINE(USE_UTMPX)
+			AC_DEFINE(HAVE_MD5_PASSWORDS)
+			MD5_MSG="yes" 
 		fi
 	]
 )
@@ -721,40 +1137,113 @@ AC_ARG_WITH(shadow,
 	[
 		if test "x$withval" = "xno" ; then	
 			AC_DEFINE(DISABLE_SHADOW)
+			disable_shadow=yes
 		fi
 	]
 )
 
-# Use ip address instead of hostname in $DISPLAY
-AC_ARG_WITH(ipaddr-display,
-	[  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
+if test -z "$disable_shadow" ; then
+	AC_MSG_CHECKING([if the systems has expire shadow information])
+	AC_TRY_COMPILE(
 	[
-		if test "x$withval" = "xno" ; then	
-			AC_DEFINE(IPADDR_IN_DISPLAY)
-		fi
-	]
-)
+#include <sys/types.h>
+#include <shadow.h>
+	struct spwd sp;
+	],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
+	[ sp_expire_available=yes ], []
+	)
+
+	if test "x$sp_expire_available" = "xyes" ; then
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAS_SHADOW_EXPIRE)
+	else
+		AC_MSG_RESULT(no)
+	fi
+fi
+
+# Use ip address instead of hostname in $DISPLAY
+if test ! -z "$IPADDR_IN_DISPLAY" ; then
+	DISPLAY_HACK_MSG="yes"
+	AC_DEFINE(IPADDR_IN_DISPLAY)
+else
+	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" 
+			fi
+		]
+	)
+fi
 
 # Whether to mess with the default path
+SERVER_PATH_MSG="(default)" 
 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")
+			user_path="$withval"
+			SERVER_PATH_MSG="$withval" 
 		fi
 	]
 )
 
 # 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$withval" != "xno" ; then	
 			AC_DEFINE(IPV4_DEFAULT)
+			IPV4_HACK_MSG="yes" 
+		fi
+	]
+)
+
+AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
+IPV4_IN6_HACK_MSG="no" 
+AC_ARG_WITH(4in6,
+	[  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
+	[
+		if test "x$withval" != "xno" ; then
+			AC_MSG_RESULT(yes)
+			AC_DEFINE(IPV4_IN_IPV6)
+			IPV4_IN6_HACK_MSG="yes" 
+		else
+			AC_MSG_RESULT(no)
+		fi
+	],[
+		if test "x$inet6_default_4in6" = "xyes"; then
+			AC_MSG_RESULT([yes (default)])
+			AC_DEFINE(IPV4_IN_IPV6)
+			IPV4_IN6_HACK_MSG="yes" 
+		else
+			AC_MSG_RESULT([no (default)])
 		fi
 	]
 )
 
+AC_MSG_CHECKING(whether to install ssh as suid root)
+AC_ARG_ENABLE(suid-ssh,
+[  --enable-suid-ssh       Install ssh as suid root (default)
+  --disable-suid-ssh      Install ssh without suid bit],
+[ case "$enableval" in
+  no)
+       AC_MSG_RESULT(no)
+       SSHMODE=0711
+       ;;
+  *)   AC_MSG_RESULT(yes)
+       SSHMODE=04711
+       ;;
+  esac ],
+  AC_MSG_RESULT(yes)
+  SSHMODE=04711
+)
+AC_SUBST(SSHMODE)
+
+
 # Where to place sshd.pid
 piddir=/var/run
 AC_ARG_WITH(pid-dir,
@@ -765,7 +1254,302 @@ AC_ARG_WITH(pid-dir,
 		fi
 	]
 )
+
+# make sure the directory exists
+if test ! -d $piddir ; then	
+	piddir=`eval echo ${sysconfdir}`
+	case $piddir in
+ 		NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
+	esac
+fi
+
 AC_DEFINE_UNQUOTED(PIDDIR, "$piddir")
 AC_SUBST(piddir)
 
-AC_OUTPUT(Makefile)
+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) ]
+)
+AC_ARG_ENABLE(utmp,
+	[  --disable-utmp          disable use of utmp even if detected [no]],
+	[ AC_DEFINE(DISABLE_UTMP) ]
+)
+AC_ARG_ENABLE(utmpx,
+	[  --disable-utmpx         disable use of utmpx even if detected [no]],
+	[ AC_DEFINE(DISABLE_UTMPX) ]
+)
+AC_ARG_ENABLE(wtmp,
+	[  --disable-wtmp          disable use of wtmp even if detected [no]],
+	[ AC_DEFINE(DISABLE_WTMP) ]
+)
+AC_ARG_ENABLE(wtmpx,
+	[  --disable-wtmpx         disable use of wtmpx even if detected [no]],
+	[ AC_DEFINE(DISABLE_WTMPX) ]
+)
+AC_ARG_ENABLE(libutil,
+	[  --disable-libutil       disable use of libutil (login() etc.) [no]],
+	[ AC_DEFINE(DISABLE_LOGIN) ]
+)
+AC_ARG_ENABLE(pututline,
+	[  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
+	[ AC_DEFINE(DISABLE_PUTUTLINE) ]
+)
+AC_ARG_ENABLE(pututxline,
+	[  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
+	[ AC_DEFINE(DISABLE_PUTUTXLINE) ]
+)
+AC_ARG_WITH(lastlog,
+  [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
+  [ conf_lastlog_location="$withval";  ],)
+
+dnl lastlog, [uw]tmpx? detection
+dnl  NOTE: set the paths in the platform section to avoid the
+dnl   need for command-line parameters
+dnl lastlog and [uw]tmp are subject to a file search if all else fails
+
+dnl lastlog detection
+dnl  NOTE: the code itself will detect if lastlog is a directory
+AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
+AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <utmp.h>
+#ifdef HAVE_LASTLOG_H
+#  include <lastlog.h>
+#endif
+#ifdef HAVE_PATHS_H
+#  include <paths.h>
+#endif
+	],
+	[ char *lastlog = LASTLOG_FILE; ],
+	[ AC_MSG_RESULT(yes) ],
+	[
+		AC_MSG_RESULT(no)
+		AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
+		AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <utmp.h>
+#ifdef HAVE_LASTLOG_H
+#  include <lastlog.h>
+#endif
+#ifdef HAVE_PATHS_H
+#  include <paths.h>
+#endif
+		],
+		[ char *lastlog = _PATH_LASTLOG; ],
+		[ AC_MSG_RESULT(yes) ],
+		[
+			AC_MSG_RESULT(no)
+			system_lastlog_path=no
+		])
+	]
+)
+
+if test -z "$conf_lastlog_location"; then
+	if test x"$system_lastlog_path" = x"no" ; then
+		for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
+				if (test -d "$f" || test -f "$f") ; then
+					conf_lastlog_location=$f
+				fi
+		done
+		if test -z "$conf_lastlog_location"; then
+			AC_MSG_WARN([** Cannot find lastlog **])
+			dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
+		fi
+	fi
+fi
+
+if test -n "$conf_lastlog_location"; then
+	AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
+fi	
+
+dnl utmp detection
+AC_MSG_CHECKING([if your system defines UTMP_FILE])
+AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <utmp.h>
+#ifdef HAVE_PATHS_H
+#  include <paths.h>
+#endif
+	],
+	[ char *utmp = UTMP_FILE; ],
+	[ AC_MSG_RESULT(yes) ],
+	[ AC_MSG_RESULT(no)
+	  system_utmp_path=no ]
+)
+if test -z "$conf_utmp_location"; then
+	if test x"$system_utmp_path" = x"no" ; then
+		for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
+			if test -f $f ; then
+				conf_utmp_location=$f
+			fi
+		done
+		if test -z "$conf_utmp_location"; then
+			AC_DEFINE(DISABLE_UTMP)
+		fi
+	fi
+fi
+if test -n "$conf_utmp_location"; then
+	AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
+fi	
+
+dnl wtmp detection
+AC_MSG_CHECKING([if your system defines WTMP_FILE])
+AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <utmp.h>
+#ifdef HAVE_PATHS_H
+#  include <paths.h>
+#endif
+	],
+	[ char *wtmp = WTMP_FILE; ],
+	[ AC_MSG_RESULT(yes) ],
+	[ AC_MSG_RESULT(no)
+	  system_wtmp_path=no ]
+)
+if test -z "$conf_wtmp_location"; then
+	if test x"$system_wtmp_path" = x"no" ; then
+		for f in /usr/adm/wtmp /var/log/wtmp; do
+			if test -f $f ; then
+				conf_wtmp_location=$f
+			fi
+		done
+		if test -z "$conf_wtmp_location"; then
+			AC_DEFINE(DISABLE_WTMP)
+		fi
+	fi
+fi
+if test -n "$conf_wtmp_location"; then
+	AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
+fi	
+
+
+dnl utmpx detection - I don't know any system so perverse as to require
+dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
+dnl  there, though.
+AC_MSG_CHECKING([if your system defines UTMPX_FILE])
+AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <utmp.h>
+#ifdef HAVE_UTMPX_H
+#include <utmpx.h>
+#endif
+#ifdef HAVE_PATHS_H
+#  include <paths.h>
+#endif
+	],
+	[ char *utmpx = UTMPX_FILE; ],
+	[ AC_MSG_RESULT(yes) ],
+	[ AC_MSG_RESULT(no)
+	  system_utmpx_path=no ]
+)
+if test -z "$conf_utmpx_location"; then
+	if test x"$system_utmpx_path" = x"no" ; then
+		AC_DEFINE(DISABLE_UTMPX)
+	fi
+else
+	AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
+fi	
+
+dnl wtmpx detection
+AC_MSG_CHECKING([if your system defines WTMPX_FILE])
+AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <utmp.h>
+#ifdef HAVE_UTMPX_H
+#include <utmpx.h>
+#endif
+#ifdef HAVE_PATHS_H
+#  include <paths.h>
+#endif
+	],
+	[ char *wtmpx = WTMPX_FILE; ],
+	[ AC_MSG_RESULT(yes) ],
+	[ AC_MSG_RESULT(no)
+	  system_wtmpx_path=no ]
+)
+if test -z "$conf_wtmpx_location"; then
+	if test x"$system_wtmpx_path" = x"no" ; then
+		AC_DEFINE(DISABLE_WTMPX)
+	fi
+else
+	AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
+fi	
+
+
+# Change default command timeout for builtin PRNG
+entropy_timeout=200
+AC_ARG_WITH(entropy-timeout,
+	[  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
+	[
+		if test "x$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_EXEEXT
+
+AC_OUTPUT(Makefile ssh_prng_cmds)
+
+# Print summary of options
+
+if test x$MANTYPE = x'$(CATMAN)' ; then
+	MAN_MSG=cat
+else 
+	MAN_MSG=man
+fi
+if test ! -z "$RANDOM_POOL" ; then
+	RAND_MSG="Device ($RANDOM_POOL)"
+else
+	if test ! -z "$EGD_SOCKET" ; then
+		RAND_MSG="EGD ($EGD_SOCKET)"
+	else
+		RAND_MSG="Builtin (timeout $entropy_timeout)"
+	fi
+fi
+
+# Someone please show me a better way :)
+A=`eval echo ${prefix}` ; A=`eval echo ${A}`
+B=`eval echo ${bindir}` ; B=`eval echo ${B}`
+C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
+D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
+E=`eval echo ${libexecdir}/ssh/ssh-askpass` ; E=`eval echo ${E}`
+F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
+G=`eval echo ${piddir}` ; G=`eval echo ${G}`
+
+echo ""
+echo "OpenSSH configured has been configured with the following options."
+echo "                 User binaries: $B"
+echo "               System binaries: $C"
+echo "           Configuration files: $D"
+echo "               Askpass program: $E"
+echo "                  Manual pages: $F"
+echo "                      PID file: $G"
+echo "      Random number collection: $RAND_MSG"
+echo "                Manpage format: $MAN_MSG"
+echo "                   PAM support: ${PAM_MSG}"
+echo "            KerberosIV support: $KRB4_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 ""
+
+echo "Compiler flags: ${CFLAGS}"
+echo "Linker flags: ${LDFLAGS}"
+echo "Libraries: ${LIBS}"
+
+echo ""
+