andersk Git - openssh.git/blame_incremental

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Commit	Line	Data
	1	# $Id$
	2
	3	AC_INIT
	4	AC_CONFIG_SRCDIR([ssh.c])
	5
	6	AC_CONFIG_HEADER(config.h)
	7	AC_PROG_CC
	8	AC_CANONICAL_HOST
	9	AC_C_BIGENDIAN
	10
	11	# Checks for programs.
	12	AC_PROG_CPP
	13	AC_PROG_RANLIB
	14	AC_PROG_INSTALL
	15	AC_PATH_PROG(AR, ar)
	16	AC_PATH_PROGS(PERL, perl5 perl)
	17	AC_PATH_PROG(SED, sed)
	18	AC_SUBST(PERL)
	19	AC_PATH_PROG(ENT, ent)
	20	AC_SUBST(ENT)
	21	AC_PATH_PROG(TEST_MINUS_S_SH, bash)
	22	AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
	23	AC_PATH_PROG(TEST_MINUS_S_SH, sh)
	24	AC_PATH_PROG(SH, sh)
	25
	26	# System features
	27	AC_SYS_LARGEFILE
	28
	29	if test -z "$AR" ; then
	30	AC_MSG_ERROR([* 'ar' missing, please install or fix your \$PATH *])
	31	fi
	32
	33	# Use LOGIN_PROGRAM from environment if possible
	34	if test ! -z "$LOGIN_PROGRAM" ; then
	35	AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
	36	else
	37	# Search for login
	38	AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
	39	if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
	40	AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
	41	fi
	42	fi
	43
	44	if test -z "$LD" ; then
	45	LD=$CC
	46	fi
	47	AC_SUBST(LD)
	48
	49	AC_C_INLINE
	50	if test "$GCC" = "yes" \|\| test "$GCC" = "egcs"; then
	51	CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wno-uninitialized"
	52	fi
	53
	54	# Check for some target-specific stuff
	55	case "$host" in
	56	--aix*)
	57	AFS_LIBS="-lld"
	58	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	59	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	60	AC_MSG_CHECKING([how to specify blibpath for linker ($LD)])
	61	if (test -z "$blibpath"); then
	62	blibpath="/usr/lib:/lib:/usr/local/lib"
	63	fi
	64	saved_LDFLAGS="$LDFLAGS"
	65	for tryflags in -blibpath: -Wl,-blibpath: -Wl,-rpath, ;do
	66	if (test -z "$blibflags"); then
	67	LDFLAGS="$saved_LDFLAGS $tryflags$blibpath"
	68	AC_TRY_LINK([], [], [blibflags=$tryflags])
	69	fi
	70	done
	71	if (test -z "$blibflags"); then
	72	AC_MSG_RESULT(not found)
	73	AC_MSG_ERROR([*** must be able to specify blibpath on AIX - check config.log])
	74	else
	75	AC_MSG_RESULT($blibflags)
	76	fi
	77	LDFLAGS="$saved_LDFLAGS"
	78	AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)],
	79	[AC_CHECK_LIB(s,authenticate,
	80	[ AC_DEFINE(WITH_AIXAUTHENTICATE)
	81	LIBS="$LIBS -ls"
	82	])
	83	])
	84	AC_DEFINE(BROKEN_GETADDRINFO)
	85	AC_DEFINE(BROKEN_REALPATH)
	86	dnl AIX handles lastlog as part of its login message
	87	AC_DEFINE(DISABLE_LASTLOG)
	88	AC_DEFINE(LOGIN_NEEDS_UTMPX)
	89	AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)
	90	;;
	91	--cygwin*)
	92	check_for_libcrypt_later=1
	93	LIBS="$LIBS /usr/lib/textmode.o"
	94	AC_DEFINE(HAVE_CYGWIN)
	95	AC_DEFINE(USE_PIPES)
	96	AC_DEFINE(DISABLE_SHADOW)
	97	AC_DEFINE(IP_TOS_IS_BROKEN)
	98	AC_DEFINE(NO_X11_UNIX_SOCKETS)
	99	AC_DEFINE(NO_IPPORT_RESERVED_CONCEPT)
	100	AC_DEFINE(DISABLE_FD_PASSING)
	101	AC_DEFINE(SETGROUPS_NOOP)
	102	;;
	103	--dgux*)
	104	AC_DEFINE(IP_TOS_IS_BROKEN)
	105	;;
	106	--darwin*)
	107	AC_MSG_CHECKING(if we have working getaddrinfo)
	108	AC_TRY_RUN([#include <mach-o/dyld.h>
	109	main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
	110	exit(0);
	111	else
	112	exit(1);
	113	}], [AC_MSG_RESULT(working)],
	114	[AC_MSG_RESULT(buggy)
	115	AC_DEFINE(BROKEN_GETADDRINFO)],
	116	[AC_MSG_RESULT(assume it is working)])
	117	;;
	118	--hpux10.26)
	119	if test -z "$GCC"; then
	120	CFLAGS="$CFLAGS -Ae"
	121	fi
	122	CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
	123	IPADDR_IN_DISPLAY=yes
	124	AC_DEFINE(HAVE_SECUREWARE)
	125	AC_DEFINE(USE_PIPES)
	126	AC_DEFINE(LOGIN_NO_ENDOPT)
	127	AC_DEFINE(LOGIN_NEEDS_UTMPX)
	128	AC_DEFINE(DISABLE_SHADOW)
	129	AC_DEFINE(DISABLE_UTMP)
	130	AC_DEFINE(SPT_TYPE,SPT_PSTAT)
	131	LIBS="$LIBS -lsec -lsecpw"
	132	AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([* -lxnet needed on HP-UX - check config.log *]))
	133	disable_ptmx_check=yes
	134	;;
	135	--hpux10*)
	136	if test -z "$GCC"; then
	137	CFLAGS="$CFLAGS -Ae"
	138	fi
	139	CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
	140	IPADDR_IN_DISPLAY=yes
	141	AC_DEFINE(USE_PIPES)
	142	AC_DEFINE(LOGIN_NO_ENDOPT)
	143	AC_DEFINE(LOGIN_NEEDS_UTMPX)
	144	AC_DEFINE(DISABLE_SHADOW)
	145	AC_DEFINE(DISABLE_UTMP)
	146	AC_DEFINE(SPT_TYPE,SPT_PSTAT)
	147	LIBS="$LIBS -lsec"
	148	AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([* -lxnet needed on HP-UX - check config.log *]))
	149	;;
	150	--hpux11*)
	151	CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
	152	IPADDR_IN_DISPLAY=yes
	153	AC_DEFINE(PAM_SUN_CODEBASE)
	154	AC_DEFINE(USE_PIPES)
	155	AC_DEFINE(LOGIN_NO_ENDOPT)
	156	AC_DEFINE(LOGIN_NEEDS_UTMPX)
	157	AC_DEFINE(DISABLE_SHADOW)
	158	AC_DEFINE(DISABLE_UTMP)
	159	AC_DEFINE(SPT_TYPE,SPT_PSTAT)
	160	LIBS="$LIBS -lsec"
	161	AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([* -lxnet needed on HP-UX - check config.log *]))
	162	;;
	163	--irix5*)
	164	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	165	LDFLAGS="$LDFLAGS"
	166	PATH="$PATH:/usr/etc"
	167	AC_DEFINE(BROKEN_INET_NTOA)
	168	AC_DEFINE(WITH_ABBREV_NO_TTY)
	169	;;
	170	--irix6*)
	171	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	172	LDFLAGS="$LDFLAGS"
	173	PATH="$PATH:/usr/etc"
	174	AC_DEFINE(WITH_IRIX_ARRAY)
	175	AC_DEFINE(WITH_IRIX_PROJECT)
	176	AC_DEFINE(WITH_IRIX_AUDIT)
	177	AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
	178	AC_DEFINE(BROKEN_INET_NTOA)
	179	AC_DEFINE(WITH_ABBREV_NO_TTY)
	180	;;
	181	--linux*)
	182	no_dev_ptmx=1
	183	check_for_libcrypt_later=1
	184	AC_DEFINE(DONT_TRY_OTHER_AF)
	185	AC_DEFINE(PAM_TTY_KLUDGE)
	186	AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)
	187	inet6_default_4in6=yes
	188	# openpty can be in libutil, needed for controlling tty test
	189	AC_SEARCH_LIBS(openpty, util)
	190	# make sure that openpty does not reacquire controlling terminal
	191	AC_MSG_CHECKING(if openpty correctly handles controlling tty)
	192	AC_TRY_RUN(
	193	[
	194	#include <stdio.h>
	195	#include <sys/fcntl.h>
	196	#include <sys/types.h>
	197	#include <sys/wait.h>
	198
	199	int
	200	main()
	201	{
	202	pid_t pid;
	203	int fd, ptyfd, ttyfd, status;
	204
	205	pid = fork();
	206	if (pid < 0) { /* failed */
	207	exit(1);
	208	} else if (pid > 0) { /* parent */
	209	waitpid(pid, &status, 0);
	210	if (WIFEXITED(status))
	211	exit(WEXITSTATUS(status));
	212	else
	213	exit(2);
	214	} else { /* child */
	215	close(0); close(1); close(2);
	216	setsid();
	217	openpty(&ptyfd, &ttyfd, NULL, NULL, NULL);
	218	fd = open("/dev/tty", O_RDWR \| O_NOCTTY);
	219	if (fd >= 0)
	220	exit(3); /* Acquired ctty: broken */
	221	else
	222	exit(0); /* Did not acquire ctty: OK */
	223	}
	224	}
	225	],
	226	[
	227	AC_MSG_RESULT(yes)
	228	],
	229	[
	230	AC_MSG_RESULT(no)
	231	AC_DEFINE(SSHD_ACQUIRES_CTTY)
	232	]
	233	)
	234	case `uname -r` in
	235	1.\|2.0.)
	236	AC_DEFINE(BROKEN_CMSG_TYPE)
	237	;;
	238	esac
	239	;;
	240	mips-sony-bsd\|mips-sony-newsos4)
	241	AC_DEFINE(HAVE_NEWS4)
	242	SONY=1
	243	;;
	244	--netbsd*)
	245	check_for_libcrypt_before=1
	246	need_dash_r=1
	247	;;
	248	--freebsd*)
	249	check_for_libcrypt_later=1
	250	;;
	251	-next-)
	252	conf_lastlog_location="/usr/adm/lastlog"
	253	conf_utmp_location=/etc/utmp
	254	conf_wtmp_location=/usr/adm/wtmp
	255	MAIL=/usr/spool/mail
	256	AC_DEFINE(HAVE_NEXT)
	257	AC_DEFINE(BROKEN_REALPATH)
	258	AC_DEFINE(USE_PIPES)
	259	AC_DEFINE(BROKEN_SAVED_UIDS)
	260	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	261	CFLAGS="$CFLAGS"
	262	;;
	263	--solaris*)
	264	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	265	LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
	266	need_dash_r=1
	267	AC_DEFINE(PAM_SUN_CODEBASE)
	268	AC_DEFINE(LOGIN_NEEDS_UTMPX)
	269	AC_DEFINE(LOGIN_NEEDS_TERM)
	270	AC_DEFINE(PAM_TTY_KLUDGE)
	271	# Pushing STREAMS modules will cause sshd to acquire a controlling tty.
	272	AC_DEFINE(SSHD_ACQUIRES_CTTY)
	273	# hardwire lastlog location (can't detect it on some versions)
	274	conf_lastlog_location="/var/adm/lastlog"
	275	AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
	276	sol2ver=`echo "$host"\| sed -e 's/.*[[0-9]]\.//'`
	277	if test "$sol2ver" -ge 8; then
	278	AC_MSG_RESULT(yes)
	279	AC_DEFINE(DISABLE_UTMP)
	280	AC_DEFINE(DISABLE_WTMP)
	281	else
	282	AC_MSG_RESULT(no)
	283	fi
	284	;;
	285	--sunos4*)
	286	CPPFLAGS="$CPPFLAGS -DSUNOS4"
	287	AC_CHECK_FUNCS(getpwanam)
	288	AC_DEFINE(PAM_SUN_CODEBASE)
	289	conf_utmp_location=/etc/utmp
	290	conf_wtmp_location=/var/adm/wtmp
	291	conf_lastlog_location=/var/adm/lastlog
	292	AC_DEFINE(USE_PIPES)
	293	;;
	294	-ncr-sysv)
	295	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	296	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	297	LIBS="$LIBS -lc89"
	298	AC_DEFINE(USE_PIPES)
	299	AC_DEFINE(SSHD_ACQUIRES_CTTY)
	300	;;
	301	-sni-sysv)
	302	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	303	# /usr/ucblib MUST NOT be searched on ReliantUNIX
	304	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	305	IPADDR_IN_DISPLAY=yes
	306	AC_DEFINE(USE_PIPES)
	307	AC_DEFINE(IP_TOS_IS_BROKEN)
	308	AC_DEFINE(SSHD_ACQUIRES_CTTY)
	309	# /usr/ucblib/libucb.a no longer needed on ReliantUNIX
	310	# Attention: always take care to bind libsocket and libnsl before libc,
	311	# otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
	312	;;
	313	--sysv4.2*)
	314	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	315	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	316	AC_DEFINE(USE_PIPES)
	317	;;
	318	--sysv5*)
	319	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	320	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	321	AC_DEFINE(USE_PIPES)
	322	;;
	323	--sysv*)
	324	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	325	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	326	;;
	327	--sco3.2v4*)
	328	CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
	329	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	330	LIBS="$LIBS -los -lprot -lx -ltinfo -lm"
	331	RANLIB=true
	332	no_dev_ptmx=1
	333	AC_DEFINE(BROKEN_SYS_TERMIO_H)
	334	AC_DEFINE(USE_PIPES)
	335	AC_DEFINE(HAVE_SECUREWARE)
	336	AC_DEFINE(DISABLE_SHADOW)
	337	AC_DEFINE(BROKEN_SAVED_UIDS)
	338	AC_CHECK_FUNCS(getluid setluid)
	339	MANTYPE=man
	340	do_sco3_extra_lib_check=yes
	341	;;
	342	--sco3.2v5*)
	343	if test -z "$GCC"; then
	344	CFLAGS="$CFLAGS -belf"
	345	fi
	346	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	347	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	348	LIBS="$LIBS -lprot -lx -ltinfo -lm"
	349	no_dev_ptmx=1
	350	AC_DEFINE(USE_PIPES)
	351	AC_DEFINE(HAVE_SECUREWARE)
	352	AC_DEFINE(DISABLE_SHADOW)
	353	AC_DEFINE(DISABLE_FD_PASSING)
	354	AC_CHECK_FUNCS(getluid setluid)
	355	MANTYPE=man
	356	;;
	357	--unicosmk*)
	358	AC_DEFINE(USE_PIPES)
	359	AC_DEFINE(DISABLE_FD_PASSING)
	360	LDFLAGS="$LDFLAGS"
	361	LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
	362	MANTYPE=cat
	363	;;
	364	--unicos*)
	365	AC_DEFINE(USE_PIPES)
	366	AC_DEFINE(DISABLE_FD_PASSING)
	367	AC_DEFINE(NO_SSH_LASTLOG)
	368	LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal"
	369	LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
	370	MANTYPE=cat
	371	;;
	372	-dec-osf)
	373	AC_MSG_CHECKING(for Digital Unix SIA)
	374	no_osfsia=""
	375	AC_ARG_WITH(osfsia,
	376	[ --with-osfsia Enable Digital Unix SIA],
	377	[
	378	if test "x$withval" = "xno" ; then
	379	AC_MSG_RESULT(disabled)
	380	no_osfsia=1
	381	fi
	382	],
	383	)
	384	if test -z "$no_osfsia" ; then
	385	if test -f /etc/sia/matrix.conf; then
	386	AC_MSG_RESULT(yes)
	387	AC_DEFINE(HAVE_OSF_SIA)
	388	AC_DEFINE(DISABLE_LOGIN)
	389	AC_DEFINE(DISABLE_FD_PASSING)
	390	LIBS="$LIBS -lsecurity -ldb -lm -laud"
	391	else
	392	AC_MSG_RESULT(no)
	393	fi
	394	fi
	395	AC_DEFINE(DISABLE_FD_PASSING)
	396	;;
	397
	398	--nto-qnx)
	399	AC_DEFINE(USE_PIPES)
	400	AC_DEFINE(NO_X11_UNIX_SOCKETS)
	401	AC_DEFINE(MISSING_NFDBITS)
	402	AC_DEFINE(MISSING_HOWMANY)
	403	AC_DEFINE(MISSING_FD_MASK)
	404	;;
	405	esac
	406
	407	# Allow user to specify flags
	408	AC_ARG_WITH(cflags,
	409	[ --with-cflags Specify additional flags to pass to compiler],
	410	[
	411	if test "x$withval" != "xno" ; then
	412	CFLAGS="$CFLAGS $withval"
	413	fi
	414	]
	415	)
	416	AC_ARG_WITH(cppflags,
	417	[ --with-cppflags Specify additional flags to pass to preprocessor] ,
	418	[
	419	if test "x$withval" != "xno"; then
	420	CPPFLAGS="$CPPFLAGS $withval"
	421	fi
	422	]
	423	)
	424	AC_ARG_WITH(ldflags,
	425	[ --with-ldflags Specify additional flags to pass to linker],
	426	[
	427	if test "x$withval" != "xno" ; then
	428	LDFLAGS="$LDFLAGS $withval"
	429	fi
	430	]
	431	)
	432	AC_ARG_WITH(libs,
	433	[ --with-libs Specify additional libraries to link with],
	434	[
	435	if test "x$withval" != "xno" ; then
	436	LIBS="$LIBS $withval"
	437	fi
	438	]
	439	)
	440
	441	AC_MSG_CHECKING(compiler and flags for sanity)
	442	AC_TRY_RUN([
	443	#include <stdio.h>
	444	int main(){exit(0);}
	445	],
	446	[ AC_MSG_RESULT(yes) ],
	447	[
	448	AC_MSG_RESULT(no)
	449	AC_MSG_ERROR([* compiler cannot create working executables, check config.log *])
	450	]
	451	)
	452
	453	# Checks for header files.
	454	AC_CHECK_HEADERS(bstring.h crypt.h endian.h features.h floatingpoint.h \
	455	getopt.h glob.h ia.h lastlog.h libgen.h limits.h login.h \
	456	login_cap.h maillock.h netdb.h netgroup.h \
	457	netinet/in_systm.h paths.h pty.h readpassphrase.h \
	458	rpc/types.h security/pam_appl.h shadow.h stddef.h stdint.h \
	459	strings.h sys/strtio.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
	460	sys/mman.h sys/pstat.h sys/select.h sys/stat.h \
	461	sys/stropts.h sys/sysmacros.h sys/time.h sys/timers.h \
	462	sys/un.h time.h tmpdir.h ttyent.h usersec.h \
	463	util.h utime.h utmp.h utmpx.h)
	464
	465	# Checks for libraries.
	466	AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
	467	AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
	468
	469	dnl SCO OS3 needs this for libwrap
	470	if test "x$with_tcp_wrappers" != "xno" ; then
	471	if test "x$do_sco3_extra_lib_check" = "xyes" ; then
	472	AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
	473	fi
	474	fi
	475
	476	AC_CHECK_FUNC(getspnam, ,
	477	AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
	478
	479	AC_ARG_WITH(rpath,
	480	[ --without-rpath Disable auto-added -R linker paths],
	481	[
	482	if test "x$withval" = "xno" ; then
	483	need_dash_r=""
	484	fi
	485	if test "x$withval" = "xyes" ; then
	486	need_dash_r=1
	487	fi
	488	]
	489	)
	490
	491	dnl zlib is required
	492	AC_ARG_WITH(zlib,
	493	[ --with-zlib=PATH Use zlib in PATH],
	494	[
	495	if test "x$withval" = "xno" ; then
	496	AC_MSG_ERROR([* zlib is required *])
	497	fi
	498	if test -d "$withval/lib"; then
	499	if test -n "${need_dash_r}"; then
	500	LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
	501	else
	502	LDFLAGS="-L${withval}/lib ${LDFLAGS}"
	503	fi
	504	else
	505	if test -n "${need_dash_r}"; then
	506	LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
	507	else
	508	LDFLAGS="-L${withval} ${LDFLAGS}"
	509	fi
	510	fi
	511	if test -d "$withval/include"; then
	512	CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
	513	else
	514	CPPFLAGS="-I${withval} ${CPPFLAGS}"
	515	fi
	516	]
	517	)
	518
	519	AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([* zlib missing - please install first or check config.log *]))
	520
	521	dnl UnixWare 2.x
	522	AC_CHECK_FUNC(strcasecmp,
	523	[], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
	524	)
	525	AC_CHECK_FUNC(utimes,
	526	[], [ AC_CHECK_LIB(c89, utimes, [AC_DEFINE(HAVE_UTIMES)
	527	LIBS="$LIBS -lc89"]) ]
	528	)
	529
	530	dnl Checks for libutil functions
	531	AC_CHECK_HEADERS(libutil.h)
	532	AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN)])
	533	AC_CHECK_FUNCS(logout updwtmp logwtmp)
	534
	535	AC_FUNC_STRFTIME
	536
	537	# Check for ALTDIRFUNC glob() extension
	538	AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
	539	AC_EGREP_CPP(FOUNDIT,
	540	[
	541	#include <glob.h>
	542	#ifdef GLOB_ALTDIRFUNC
	543	FOUNDIT
	544	#endif
	545	],
	546	[
	547	AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
	548	AC_MSG_RESULT(yes)
	549	],
	550	[
	551	AC_MSG_RESULT(no)
	552	]
	553	)
	554
	555	# Check for g.gl_matchc glob() extension
	556	AC_MSG_CHECKING(for gl_matchc field in glob_t)
	557	AC_EGREP_CPP(FOUNDIT,
	558	[
	559	#include <glob.h>
	560	int main(void){glob_t g; g.gl_matchc = 1;}
	561	],
	562	[
	563	AC_DEFINE(GLOB_HAS_GL_MATCHC)
	564	AC_MSG_RESULT(yes)
	565	],
	566	[
	567	AC_MSG_RESULT(no)
	568	]
	569	)
	570
	571	AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
	572	AC_TRY_RUN(
	573	[
	574	#include <sys/types.h>
	575	#include <dirent.h>
	576	int main(void){struct dirent d;exit(sizeof(d.d_name)<=sizeof(char));}
	577	],
	578	[AC_MSG_RESULT(yes)],
	579	[
	580	AC_MSG_RESULT(no)
	581	AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
	582	]
	583	)
	584
	585	# Check whether user wants S/Key support
	586	SKEY_MSG="no"
	587	AC_ARG_WITH(skey,
	588	[ --with-skey[[=PATH]] Enable S/Key support
	589	(optionally in PATH)],
	590	[
	591	if test "x$withval" != "xno" ; then
	592
	593	if test "x$withval" != "xyes" ; then
	594	CPPFLAGS="$CPPFLAGS -I${withval}/include"
	595	LDFLAGS="$LDFLAGS -L${withval}/lib"
	596	fi
	597
	598	AC_DEFINE(SKEY)
	599	LIBS="-lskey $LIBS"
	600	SKEY_MSG="yes"
	601
	602	AC_MSG_CHECKING([for s/key support])
	603	AC_TRY_RUN(
	604	[
	605	#include <stdio.h>
	606	#include <skey.h>
	607	int main() { char *ff = skey_keyinfo(""); ff=""; exit(0); }
	608	],
	609	[AC_MSG_RESULT(yes)],
	610	[
	611	AC_MSG_RESULT(no)
	612	AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
	613	])
	614	fi
	615	]
	616	)
	617
	618	# Check whether user wants TCP wrappers support
	619	TCPW_MSG="no"
	620	AC_ARG_WITH(tcp-wrappers,
	621	[ --with-tcp-wrappers[[=PATH]] Enable tcpwrappers support
	622	(optionally in PATH)],
	623	[
	624	if test "x$withval" != "xno" ; then
	625	saved_LIBS="$LIBS"
	626	saved_LDFLAGS="$LDFLAGS"
	627	saved_CPPFLAGS="$CPPFLAGS"
	628	if test -n "${withval}" -a "${withval}" != "yes"; then
	629	if test -d "${withval}/lib"; then
	630	if test -n "${need_dash_r}"; then
	631	LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
	632	else
	633	LDFLAGS="-L${withval}/lib ${LDFLAGS}"
	634	fi
	635	else
	636	if test -n "${need_dash_r}"; then
	637	LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
	638	else
	639	LDFLAGS="-L${withval} ${LDFLAGS}"
	640	fi
	641	fi
	642	if test -d "${withval}/include"; then
	643	CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
	644	else
	645	CPPFLAGS="-I${withval} ${CPPFLAGS}"
	646	fi
	647	fi
	648	LIBWRAP="-lwrap"
	649	LIBS="$LIBWRAP $LIBS"
	650	AC_MSG_CHECKING(for libwrap)
	651	AC_TRY_LINK(
	652	[
	653	#include <tcpd.h>
	654	int deny_severity = 0, allow_severity = 0;
	655	],
	656	[hosts_access(0);],
	657	[
	658	AC_MSG_RESULT(yes)
	659	AC_DEFINE(LIBWRAP)
	660	AC_SUBST(LIBWRAP)
	661	TCPW_MSG="yes"
	662	],
	663	[
	664	AC_MSG_ERROR([*** libwrap missing])
	665	]
	666	)
	667	LIBS="$saved_LIBS"
	668	fi
	669	]
	670	)
	671
	672	dnl Checks for library functions. Please keep in alphabetical order
	673	AC_CHECK_FUNCS(\
	674	arc4random __b64_ntop b64_ntop __b64_pton b64_pton basename \
	675	bcopy bindresvport_sa clock fchmod fchown freeaddrinfo futimes \
	676	gai_strerror getaddrinfo getcwd getgrouplist getnameinfo getopt \
	677	getpeereid _getpty getrlimit getttyent glob inet_aton \
	678	inet_ntoa inet_ntop innetgr login_getcapbool md5_crypt memmove \
	679	mkdtemp mmap ngetaddrinfo nsleep ogetaddrinfo openlog_r openpty \
	680	pstat readpassphrase realpath recvmsg rresvport_af sendmsg \
	681	setdtablesize setegid setenv seteuid setgroups setlogin setpcred \
	682	setproctitle setregid setresgid setresuid setreuid setrlimit \
	683	setsid setvbuf sigaction sigvec snprintf socketpair strerror \
	684	strlcat strlcpy strmode strnvis sysconf tcgetpgrp truncate utimes \
	685	vhangup vsnprintf waitpid \
	686	)
	687
	688	AC_SEARCH_LIBS(nanosleep, rt posix4, AC_DEFINE(HAVE_NANOSLEEP))
	689	AC_SEARCH_LIBS(basename, gen, AC_DEFINE(HAVE_BASENAME))
	690
	691	dnl Make sure prototypes are defined for these before using them.
	692	AC_CHECK_DECL(strsep, [AC_CHECK_FUNCS(strsep)])
	693	AC_CHECK_DECL(getrusage, [AC_CHECK_FUNCS(getrusage)])
	694
	695	dnl IRIX and Solaris 2.5.1 have dirname() in libgen
	696	AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
	697	AC_CHECK_LIB(gen, dirname,[
	698	AC_CACHE_CHECK([for broken dirname],
	699	ac_cv_have_broken_dirname, [
	700	save_LIBS="$LIBS"
	701	LIBS="$LIBS -lgen"
	702	AC_TRY_RUN(
	703	[
	704	#include <libgen.h>
	705	#include <string.h>
	706
	707	int main(int argc, char **argv) {
	708	char *s, buf[32];
	709
	710	strncpy(buf,"/etc", 32);
	711	s = dirname(buf);
	712	if (!s \|\| strncmp(s, "/", 32) != 0) {
	713	exit(1);
	714	} else {
	715	exit(0);
	716	}
	717	}
	718	],
	719	[ ac_cv_have_broken_dirname="no" ],
	720	[ ac_cv_have_broken_dirname="yes" ]
	721	)
	722	LIBS="$save_LIBS"
	723	])
	724	if test "x$ac_cv_have_broken_dirname" = "xno" ; then
	725	LIBS="$LIBS -lgen"
	726	AC_DEFINE(HAVE_DIRNAME)
	727	AC_CHECK_HEADERS(libgen.h)
	728	fi
	729	])
	730	])
	731
	732	dnl Checks for time functions
	733	AC_CHECK_FUNCS(gettimeofday time)
	734	dnl Checks for utmp functions
	735	AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
	736	AC_CHECK_FUNCS(utmpname)
	737	dnl Checks for utmpx functions
	738	AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
	739	AC_CHECK_FUNCS(setutxent utmpxname)
	740
	741	AC_CHECK_FUNC(daemon,
	742	[AC_DEFINE(HAVE_DAEMON)],
	743	[AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
	744	)
	745
	746	AC_CHECK_FUNC(getpagesize,
	747	[AC_DEFINE(HAVE_GETPAGESIZE)],
	748	[AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
	749	)
	750
	751	# Check for broken snprintf
	752	if test "x$ac_cv_func_snprintf" = "xyes" ; then
	753	AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
	754	AC_TRY_RUN(
	755	[
	756	#include <stdio.h>
	757	int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');}
	758	],
	759	[AC_MSG_RESULT(yes)],
	760	[
	761	AC_MSG_RESULT(no)
	762	AC_DEFINE(BROKEN_SNPRINTF)
	763	AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
	764	]
	765	)
	766	fi
	767
	768	dnl see whether mkstemp() requires XXXXXX
	769	if test "x$ac_cv_func_mkdtemp" = "xyes" ; then
	770	AC_MSG_CHECKING([for (overly) strict mkstemp])
	771	AC_TRY_RUN(
	772	[
	773	#include <stdlib.h>
	774	main() { char template[]="conftest.mkstemp-test";
	775	if (mkstemp(template) == -1)
	776	exit(1);
	777	unlink(template); exit(0);
	778	}
	779	],
	780	[
	781	AC_MSG_RESULT(no)
	782	],
	783	[
	784	AC_MSG_RESULT(yes)
	785	AC_DEFINE(HAVE_STRICT_MKSTEMP)
	786	],
	787	[
	788	AC_MSG_RESULT(yes)
	789	AC_DEFINE(HAVE_STRICT_MKSTEMP)
	790	]
	791	)
	792	fi
	793
	794	AC_FUNC_GETPGRP
	795
	796	# Check for PAM libs
	797	PAM_MSG="no"
	798	AC_ARG_WITH(pam,
	799	[ --with-pam Enable PAM support ],
	800	[
	801	if test "x$withval" != "xno" ; then
	802	if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
	803	AC_MSG_ERROR([PAM headers not found])
	804	fi
	805
	806	AC_CHECK_LIB(dl, dlopen, , )
	807	AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
	808	AC_CHECK_FUNCS(pam_getenvlist)
	809
	810	disable_shadow=yes
	811	PAM_MSG="yes"
	812
	813	AC_DEFINE(USE_PAM)
	814	if test $ac_cv_lib_dl_dlopen = yes; then
	815	LIBPAM="-lpam -ldl"
	816	else
	817	LIBPAM="-lpam"
	818	fi
	819	AC_SUBST(LIBPAM)
	820	fi
	821	]
	822	)
	823
	824	# Check for older PAM
	825	if test "x$PAM_MSG" = "xyes" ; then
	826	# Check PAM strerror arguments (old PAM)
	827	AC_MSG_CHECKING([whether pam_strerror takes only one argument])
	828	AC_TRY_COMPILE(
	829	[
	830	#include <stdlib.h>
	831	#include <security/pam_appl.h>
	832	],
	833	[(void)pam_strerror((pam_handle_t *)NULL, -1);],
	834	[AC_MSG_RESULT(no)],
	835	[
	836	AC_DEFINE(HAVE_OLD_PAM)
	837	AC_MSG_RESULT(yes)
	838	PAM_MSG="yes (old library)"
	839	]
	840	)
	841	fi
	842
	843	# Some systems want crypt() from libcrypt, not the version in OpenSSL,
	844	# because the system crypt() is more featureful.
	845	if test "x$check_for_libcrypt_before" = "x1"; then
	846	AC_CHECK_LIB(crypt, crypt)
	847	fi
	848
	849	# Search for OpenSSL
	850	saved_CPPFLAGS="$CPPFLAGS"
	851	saved_LDFLAGS="$LDFLAGS"
	852	AC_ARG_WITH(ssl-dir,
	853	[ --with-ssl-dir=PATH Specify path to OpenSSL installation ],
	854	[
	855	if test "x$withval" != "xno" ; then
	856	if test -d "$withval/lib"; then
	857	if test -n "${need_dash_r}"; then
	858	LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
	859	else
	860	LDFLAGS="-L${withval}/lib ${LDFLAGS}"
	861	fi
	862	else
	863	if test -n "${need_dash_r}"; then
	864	LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
	865	else
	866	LDFLAGS="-L${withval} ${LDFLAGS}"
	867	fi
	868	fi
	869	if test -d "$withval/include"; then
	870	CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
	871	else
	872	CPPFLAGS="-I${withval} ${CPPFLAGS}"
	873	fi
	874	fi
	875	]
	876	)
	877	LIBS="$LIBS -lcrypto"
	878	AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
	879	[
	880	dnl Check default openssl install dir
	881	if test -n "${need_dash_r}"; then
	882	LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
	883	else
	884	LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
	885	fi
	886	CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
	887	AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
	888	[
	889	AC_MSG_ERROR([* Can't find recent OpenSSL libcrypto (see config.log for details) *])
	890	]
	891	)
	892	]
	893	)
	894
	895	# Determine OpenSSL header version
	896	AC_MSG_CHECKING([OpenSSL header version])
	897	AC_TRY_RUN(
	898	[
	899	#include <stdio.h>
	900	#include <string.h>
	901	#include <openssl/opensslv.h>
	902	#define DATA "conftest.sslincver"
	903	int main(void) {
	904	FILE *fd;
	905	int rc;
	906
	907	fd = fopen(DATA,"w");
	908	if(fd == NULL)
	909	exit(1);
	910
	911	if ((rc = fprintf(fd ,"%x (%s)\n", OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT)) <0)
	912	exit(1);
	913
	914	exit(0);
	915	}
	916	],
	917	[
	918	ssl_header_ver=`cat conftest.sslincver`
	919	AC_MSG_RESULT($ssl_header_ver)
	920	],
	921	[
	922	AC_MSG_RESULT(not found)
	923	AC_MSG_ERROR(OpenSSL version header not found.)
	924	]
	925	)
	926
	927	# Determine OpenSSL library version
	928	AC_MSG_CHECKING([OpenSSL library version])
	929	AC_TRY_RUN(
	930	[
	931	#include <stdio.h>
	932	#include <string.h>
	933	#include <openssl/opensslv.h>
	934	#include <openssl/crypto.h>
	935	#define DATA "conftest.ssllibver"
	936	int main(void) {
	937	FILE *fd;
	938	int rc;
	939
	940	fd = fopen(DATA,"w");
	941	if(fd == NULL)
	942	exit(1);
	943
	944	if ((rc = fprintf(fd ,"%x (%s)\n", SSLeay(), SSLeay_version(SSLEAY_VERSION))) <0)
	945	exit(1);
	946
	947	exit(0);
	948	}
	949	],
	950	[
	951	ssl_library_ver=`cat conftest.ssllibver`
	952	AC_MSG_RESULT($ssl_library_ver)
	953	],
	954	[
	955	AC_MSG_RESULT(not found)
	956	AC_MSG_ERROR(OpenSSL library not found.)
	957	]
	958	)
	959
	960	# Sanity check OpenSSL headers
	961	AC_MSG_CHECKING([whether OpenSSL's headers match the library])
	962	AC_TRY_RUN(
	963	[
	964	#include <string.h>
	965	#include <openssl/opensslv.h>
	966	int main(void) { exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
	967	],
	968	[
	969	AC_MSG_RESULT(yes)
	970	],
	971	[
	972	AC_MSG_RESULT(no)
	973	AC_MSG_ERROR([Your OpenSSL headers do not match your library.
	974	Check config.log for details.
	975	Also see contrib/findssl.sh for help identifying header/library mismatches.])
	976	]
	977	)
	978
	979	# Some Linux systems (Slackware) need crypt() from libcrypt, not the
	980	# version in OpenSSL. Skip this for PAM
	981	if test "x$check_for_libcrypt_later" = "x1"; then
	982	AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
	983	fi
	984
	985
	986	### Configure cryptographic random number support
	987
	988	# Check wheter OpenSSL seeds itself
	989	AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
	990	AC_TRY_RUN(
	991	[
	992	#include <string.h>
	993	#include <openssl/rand.h>
	994	int main(void) { exit(RAND_status() == 1 ? 0 : 1); }
	995	],
	996	[
	997	OPENSSL_SEEDS_ITSELF=yes
	998	AC_MSG_RESULT(yes)
	999	],
	1000	[
	1001	AC_MSG_RESULT(no)
	1002	# Default to use of the rand helper if OpenSSL doesn't
	1003	# seed itself
	1004	USE_RAND_HELPER=yes
	1005	]
	1006	)
	1007
	1008
	1009	# Do we want to force the use of the rand helper?
	1010	AC_ARG_WITH(rand-helper,
	1011	[ --with-rand-helper Use subprocess to gather strong randomness ],
	1012	[
	1013	if test "x$withval" = "xno" ; then
	1014	# Force use of OpenSSL's internal RNG, even if
	1015	# the previous test showed it to be unseeded.
	1016	if test -z "$OPENSSL_SEEDS_ITSELF" ; then
	1017	AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
	1018	OPENSSL_SEEDS_ITSELF=yes
	1019	USE_RAND_HELPER=""
	1020	fi
	1021	else
	1022	USE_RAND_HELPER=yes
	1023	fi
	1024	],
	1025	)
	1026
	1027	# Which randomness source do we use?
	1028	if test ! -z "$OPENSSL_SEEDS_ITSELF" -a -z "$USE_RAND_HELPER" ; then
	1029	# OpenSSL only
	1030	AC_DEFINE(OPENSSL_PRNG_ONLY)
	1031	RAND_MSG="OpenSSL internal ONLY"
	1032	INSTALL_SSH_RAND_HELPER=""
	1033	elif test ! -z "$USE_RAND_HELPER" ; then
	1034	# install rand helper
	1035	RAND_MSG="ssh-rand-helper"
	1036	INSTALL_SSH_RAND_HELPER="yes"
	1037	fi
	1038	AC_SUBST(INSTALL_SSH_RAND_HELPER)
	1039
	1040	### Configuration of ssh-rand-helper
	1041
	1042	# PRNGD TCP socket
	1043	AC_ARG_WITH(prngd-port,
	1044	[ --with-prngd-port=PORT read entropy from PRNGD/EGD TCP localhost:PORT],
	1045	[
	1046	case "$withval" in
	1047	no)
	1048	withval=""
	1049	;;
	1050	[[0-9]]*)
	1051	;;
	1052	*)
	1053	AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
	1054	;;
	1055	esac
	1056	if test ! -z "$withval" ; then
	1057	PRNGD_PORT="$withval"
	1058	AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
	1059	fi
	1060	]
	1061	)
	1062
	1063	# PRNGD Unix domain socket
	1064	AC_ARG_WITH(prngd-socket,
	1065	[ --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
	1066	[
	1067	case "$withval" in
	1068	yes)
	1069	withval="/var/run/egd-pool"
	1070	;;
	1071	no)
	1072	withval=""
	1073	;;
	1074	/*)
	1075	;;
	1076	*)
	1077	AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
	1078	;;
	1079	esac
	1080
	1081	if test ! -z "$withval" ; then
	1082	if test ! -z "$PRNGD_PORT" ; then
	1083	AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
	1084	fi
	1085	if test ! -r "$withval" ; then
	1086	AC_MSG_WARN(Entropy socket is not readable)
	1087	fi
	1088	PRNGD_SOCKET="$withval"
	1089	AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
	1090	fi
	1091	],
	1092	[
	1093	# Check for existing socket only if we don't have a random device already
	1094	if test "$USE_RAND_HELPER" = yes ; then
	1095	AC_MSG_CHECKING(for PRNGD/EGD socket)
	1096	# Insert other locations here
	1097	for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
	1098	if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
	1099	PRNGD_SOCKET="$sock"
	1100	AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
	1101	break;
	1102	fi
	1103	done
	1104	if test ! -z "$PRNGD_SOCKET" ; then
	1105	AC_MSG_RESULT($PRNGD_SOCKET)
	1106	else
	1107	AC_MSG_RESULT(not found)
	1108	fi
	1109	fi
	1110	]
	1111	)
	1112
	1113	# Change default command timeout for hashing entropy source
	1114	entropy_timeout=200
	1115	AC_ARG_WITH(entropy-timeout,
	1116	[ --with-entropy-timeout Specify entropy gathering command timeout (msec)],
	1117	[
	1118	if test "x$withval" != "xno" ; then
	1119	entropy_timeout=$withval
	1120	fi
	1121	]
	1122	)
	1123	AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
	1124
	1125	SSH_PRIVSEP_USER=sshd
	1126	AC_ARG_WITH(privsep-user,
	1127	[ --with-privsep-user=user Specify non-privileged user for privilege separation],
	1128	[
	1129	if test -n "$withval"; then
	1130	SSH_PRIVSEP_USER=$withval
	1131	fi
	1132	]
	1133	)
	1134	AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$SSH_PRIVSEP_USER")
	1135	AC_SUBST(SSH_PRIVSEP_USER)
	1136
	1137	# We do this little dance with the search path to insure
	1138	# that programs that we select for use by installed programs
	1139	# (which may be run by the super-user) come from trusted
	1140	# locations before they come from the user's private area.
	1141	# This should help avoid accidentally configuring some
	1142	# random version of a program in someone's personal bin.
	1143
	1144	OPATH=$PATH
	1145	PATH=/bin:/usr/bin
	1146	test -h /bin 2> /dev/null && PATH=/usr/bin
	1147	test -d /sbin && PATH=$PATH:/sbin
	1148	test -d /usr/sbin && PATH=$PATH:/usr/sbin
	1149	PATH=$PATH:/etc:$OPATH
	1150
	1151	# These programs are used by the command hashing source to gather entropy
	1152	OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
	1153	OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
	1154	OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
	1155	OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
	1156	OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
	1157	OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
	1158	OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
	1159	OSSH_PATH_ENTROPY_PROG(PROG_W, w)
	1160	OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
	1161	OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
	1162	OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
	1163	OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
	1164	OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
	1165	OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
	1166	OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
	1167	OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
	1168	# restore PATH
	1169	PATH=$OPATH
	1170
	1171	# Where does ssh-rand-helper get its randomness from?
	1172	INSTALL_SSH_PRNG_CMDS=""
	1173	if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
	1174	if test ! -z "$PRNGD_PORT" ; then
	1175	RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
	1176	elif test ! -z "$PRNGD_SOCKET" ; then
	1177	RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
	1178	else
	1179	RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
	1180	RAND_HELPER_CMDHASH=yes
	1181	INSTALL_SSH_PRNG_CMDS="yes"
	1182	fi
	1183	fi
	1184	AC_SUBST(INSTALL_SSH_PRNG_CMDS)
	1185
	1186
	1187	# Cheap hack to ensure NEWS-OS libraries are arranged right.
	1188	if test ! -z "$SONY" ; then
	1189	LIBS="$LIBS -liberty";
	1190	fi
	1191
	1192	# Checks for data types
	1193	AC_CHECK_SIZEOF(char, 1)
	1194	AC_CHECK_SIZEOF(short int, 2)
	1195	AC_CHECK_SIZEOF(int, 4)
	1196	AC_CHECK_SIZEOF(long int, 4)
	1197	AC_CHECK_SIZEOF(long long int, 8)
	1198
	1199	# Sanity check long long for some platforms (AIX)
	1200	if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
	1201	ac_cv_sizeof_long_long_int=0
	1202	fi
	1203
	1204	# More checks for data types
	1205	AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
	1206	AC_TRY_COMPILE(
	1207	[ #include <sys/types.h> ],
	1208	[ u_int a; a = 1;],
	1209	[ ac_cv_have_u_int="yes" ],
	1210	[ ac_cv_have_u_int="no" ]
	1211	)
	1212	])
	1213	if test "x$ac_cv_have_u_int" = "xyes" ; then
	1214	AC_DEFINE(HAVE_U_INT)
	1215	have_u_int=1
	1216	fi
	1217
	1218	AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
	1219	AC_TRY_COMPILE(
	1220	[ #include <sys/types.h> ],
	1221	[ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
	1222	[ ac_cv_have_intxx_t="yes" ],
	1223	[ ac_cv_have_intxx_t="no" ]
	1224	)
	1225	])
	1226	if test "x$ac_cv_have_intxx_t" = "xyes" ; then
	1227	AC_DEFINE(HAVE_INTXX_T)
	1228	have_intxx_t=1
	1229	fi
	1230
	1231	if (test -z "$have_intxx_t" && \
	1232	test "x$ac_cv_header_stdint_h" = "xyes")
	1233	then
	1234	AC_MSG_CHECKING([for intXX_t types in stdint.h])
	1235	AC_TRY_COMPILE(
	1236	[ #include <stdint.h> ],
	1237	[ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
	1238	[
	1239	AC_DEFINE(HAVE_INTXX_T)
	1240	AC_MSG_RESULT(yes)
	1241	],
	1242	[ AC_MSG_RESULT(no) ]
	1243	)
	1244	fi
	1245
	1246	AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
	1247	AC_TRY_COMPILE(
	1248	[
	1249	#include <sys/types.h>
	1250	#ifdef HAVE_STDINT_H
	1251	# include <stdint.h>
	1252	#endif
	1253	#include <sys/socket.h>
	1254	#ifdef HAVE_SYS_BITYPES_H
	1255	# include <sys/bitypes.h>
	1256	#endif
	1257	],
	1258	[ int64_t a; a = 1;],
	1259	[ ac_cv_have_int64_t="yes" ],
	1260	[ ac_cv_have_int64_t="no" ]
	1261	)
	1262	])
	1263	if test "x$ac_cv_have_int64_t" = "xyes" ; then
	1264	AC_DEFINE(HAVE_INT64_T)
	1265	fi
	1266
	1267	AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
	1268	AC_TRY_COMPILE(
	1269	[ #include <sys/types.h> ],
	1270	[ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
	1271	[ ac_cv_have_u_intxx_t="yes" ],
	1272	[ ac_cv_have_u_intxx_t="no" ]
	1273	)
	1274	])
	1275	if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
	1276	AC_DEFINE(HAVE_U_INTXX_T)
	1277	have_u_intxx_t=1
	1278	fi
	1279
	1280	if test -z "$have_u_intxx_t" ; then
	1281	AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
	1282	AC_TRY_COMPILE(
	1283	[ #include <sys/socket.h> ],
	1284	[ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
	1285	[
	1286	AC_DEFINE(HAVE_U_INTXX_T)
	1287	AC_MSG_RESULT(yes)
	1288	],
	1289	[ AC_MSG_RESULT(no) ]
	1290	)
	1291	fi
	1292
	1293	AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
	1294	AC_TRY_COMPILE(
	1295	[ #include <sys/types.h> ],
	1296	[ u_int64_t a; a = 1;],
	1297	[ ac_cv_have_u_int64_t="yes" ],
	1298	[ ac_cv_have_u_int64_t="no" ]
	1299	)
	1300	])
	1301	if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
	1302	AC_DEFINE(HAVE_U_INT64_T)
	1303	have_u_int64_t=1
	1304	fi
	1305
	1306	if test -z "$have_u_int64_t" ; then
	1307	AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
	1308	AC_TRY_COMPILE(
	1309	[ #include <sys/bitypes.h> ],
	1310	[ u_int64_t a; a = 1],
	1311	[
	1312	AC_DEFINE(HAVE_U_INT64_T)
	1313	AC_MSG_RESULT(yes)
	1314	],
	1315	[ AC_MSG_RESULT(no) ]
	1316	)
	1317	fi
	1318
	1319	if test -z "$have_u_intxx_t" ; then
	1320	AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
	1321	AC_TRY_COMPILE(
	1322	[
	1323	#include <sys/types.h>
	1324	],
	1325	[ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
	1326	[ ac_cv_have_uintxx_t="yes" ],
	1327	[ ac_cv_have_uintxx_t="no" ]
	1328	)
	1329	])
	1330	if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
	1331	AC_DEFINE(HAVE_UINTXX_T)
	1332	fi
	1333	fi
	1334
	1335	if test -z "$have_uintxx_t" ; then
	1336	AC_MSG_CHECKING([for uintXX_t types in stdint.h])
	1337	AC_TRY_COMPILE(
	1338	[ #include <stdint.h> ],
	1339	[ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
	1340	[
	1341	AC_DEFINE(HAVE_UINTXX_T)
	1342	AC_MSG_RESULT(yes)
	1343	],
	1344	[ AC_MSG_RESULT(no) ]
	1345	)
	1346	fi
	1347
	1348	if (test -z "$have_u_intxx_t" \|\| test -z "$have_intxx_t" && \
	1349	test "x$ac_cv_header_sys_bitypes_h" = "xyes")
	1350	then
	1351	AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
	1352	AC_TRY_COMPILE(
	1353	[
	1354	#include <sys/bitypes.h>
	1355	],
	1356	[
	1357	int8_t a; int16_t b; int32_t c;
	1358	u_int8_t e; u_int16_t f; u_int32_t g;
	1359	a = b = c = e = f = g = 1;
	1360	],
	1361	[
	1362	AC_DEFINE(HAVE_U_INTXX_T)
	1363	AC_DEFINE(HAVE_INTXX_T)
	1364	AC_MSG_RESULT(yes)
	1365	],
	1366	[AC_MSG_RESULT(no)]
	1367	)
	1368	fi
	1369
	1370
	1371	AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
	1372	AC_TRY_COMPILE(
	1373	[
	1374	#include <sys/types.h>
	1375	],
	1376	[ u_char foo; foo = 125; ],
	1377	[ ac_cv_have_u_char="yes" ],
	1378	[ ac_cv_have_u_char="no" ]
	1379	)
	1380	])
	1381	if test "x$ac_cv_have_u_char" = "xyes" ; then
	1382	AC_DEFINE(HAVE_U_CHAR)
	1383	fi
	1384
	1385	TYPE_SOCKLEN_T
	1386
	1387	AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
	1388
	1389	AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
	1390	AC_TRY_COMPILE(
	1391	[
	1392	#include <sys/types.h>
	1393	],
	1394	[ size_t foo; foo = 1235; ],
	1395	[ ac_cv_have_size_t="yes" ],
	1396	[ ac_cv_have_size_t="no" ]
	1397	)
	1398	])
	1399	if test "x$ac_cv_have_size_t" = "xyes" ; then
	1400	AC_DEFINE(HAVE_SIZE_T)
	1401	fi
	1402
	1403	AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
	1404	AC_TRY_COMPILE(
	1405	[
	1406	#include <sys/types.h>
	1407	],
	1408	[ ssize_t foo; foo = 1235; ],
	1409	[ ac_cv_have_ssize_t="yes" ],
	1410	[ ac_cv_have_ssize_t="no" ]
	1411	)
	1412	])
	1413	if test "x$ac_cv_have_ssize_t" = "xyes" ; then
	1414	AC_DEFINE(HAVE_SSIZE_T)
	1415	fi
	1416
	1417	AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
	1418	AC_TRY_COMPILE(
	1419	[
	1420	#include <time.h>
	1421	],
	1422	[ clock_t foo; foo = 1235; ],
	1423	[ ac_cv_have_clock_t="yes" ],
	1424	[ ac_cv_have_clock_t="no" ]
	1425	)
	1426	])
	1427	if test "x$ac_cv_have_clock_t" = "xyes" ; then
	1428	AC_DEFINE(HAVE_CLOCK_T)
	1429	fi
	1430
	1431	AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
	1432	AC_TRY_COMPILE(
	1433	[
	1434	#include <sys/types.h>
	1435	#include <sys/socket.h>
	1436	],
	1437	[ sa_family_t foo; foo = 1235; ],
	1438	[ ac_cv_have_sa_family_t="yes" ],
	1439	[ AC_TRY_COMPILE(
	1440	[
	1441	#include <sys/types.h>
	1442	#include <sys/socket.h>
	1443	#include <netinet/in.h>
	1444	],
	1445	[ sa_family_t foo; foo = 1235; ],
	1446	[ ac_cv_have_sa_family_t="yes" ],
	1447
	1448	[ ac_cv_have_sa_family_t="no" ]
	1449	)]
	1450	)
	1451	])
	1452	if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
	1453	AC_DEFINE(HAVE_SA_FAMILY_T)
	1454	fi
	1455
	1456	AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
	1457	AC_TRY_COMPILE(
	1458	[
	1459	#include <sys/types.h>
	1460	],
	1461	[ pid_t foo; foo = 1235; ],
	1462	[ ac_cv_have_pid_t="yes" ],
	1463	[ ac_cv_have_pid_t="no" ]
	1464	)
	1465	])
	1466	if test "x$ac_cv_have_pid_t" = "xyes" ; then
	1467	AC_DEFINE(HAVE_PID_T)
	1468	fi
	1469
	1470	AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
	1471	AC_TRY_COMPILE(
	1472	[
	1473	#include <sys/types.h>
	1474	],
	1475	[ mode_t foo; foo = 1235; ],
	1476	[ ac_cv_have_mode_t="yes" ],
	1477	[ ac_cv_have_mode_t="no" ]
	1478	)
	1479	])
	1480	if test "x$ac_cv_have_mode_t" = "xyes" ; then
	1481	AC_DEFINE(HAVE_MODE_T)
	1482	fi
	1483
	1484
	1485	AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
	1486	AC_TRY_COMPILE(
	1487	[
	1488	#include <sys/types.h>
	1489	#include <sys/socket.h>
	1490	],
	1491	[ struct sockaddr_storage s; ],
	1492	[ ac_cv_have_struct_sockaddr_storage="yes" ],
	1493	[ ac_cv_have_struct_sockaddr_storage="no" ]
	1494	)
	1495	])
	1496	if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
	1497	AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
	1498	fi
	1499
	1500	AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
	1501	AC_TRY_COMPILE(
	1502	[
	1503	#include <sys/types.h>
	1504	#include <netinet/in.h>
	1505	],
	1506	[ struct sockaddr_in6 s; s.sin6_family = 0; ],
	1507	[ ac_cv_have_struct_sockaddr_in6="yes" ],
	1508	[ ac_cv_have_struct_sockaddr_in6="no" ]
	1509	)
	1510	])
	1511	if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
	1512	AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
	1513	fi
	1514
	1515	AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
	1516	AC_TRY_COMPILE(
	1517	[
	1518	#include <sys/types.h>
	1519	#include <netinet/in.h>
	1520	],
	1521	[ struct in6_addr s; s.s6_addr[0] = 0; ],
	1522	[ ac_cv_have_struct_in6_addr="yes" ],
	1523	[ ac_cv_have_struct_in6_addr="no" ]
	1524	)
	1525	])
	1526	if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
	1527	AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
	1528	fi
	1529
	1530	AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
	1531	AC_TRY_COMPILE(
	1532	[
	1533	#include <sys/types.h>
	1534	#include <sys/socket.h>
	1535	#include <netdb.h>
	1536	],
	1537	[ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
	1538	[ ac_cv_have_struct_addrinfo="yes" ],
	1539	[ ac_cv_have_struct_addrinfo="no" ]
	1540	)
	1541	])
	1542	if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
	1543	AC_DEFINE(HAVE_STRUCT_ADDRINFO)
	1544	fi
	1545
	1546	AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
	1547	AC_TRY_COMPILE(
	1548	[ #include <sys/time.h> ],
	1549	[ struct timeval tv; tv.tv_sec = 1;],
	1550	[ ac_cv_have_struct_timeval="yes" ],
	1551	[ ac_cv_have_struct_timeval="no" ]
	1552	)
	1553	])
	1554	if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
	1555	AC_DEFINE(HAVE_STRUCT_TIMEVAL)
	1556	have_struct_timeval=1
	1557	fi
	1558
	1559	AC_CHECK_TYPES(struct timespec)
	1560
	1561	# We need int64_t or else certian parts of the compile will fail.
	1562	if test "x$ac_cv_have_int64_t" = "xno" -a \
	1563	"x$ac_cv_sizeof_long_int" != "x8" -a \
	1564	"x$ac_cv_sizeof_long_long_int" = "x0" ; then
	1565	echo "OpenSSH requires int64_t support. Contact your vendor or install"
	1566	echo "an alternative compiler (I.E., GCC) before continuing."
	1567	echo ""
	1568	exit 1;
	1569	else
	1570	dnl test snprintf (broken on SCO w/gcc)
	1571	AC_TRY_RUN(
	1572	[
	1573	#include <stdio.h>
	1574	#include <string.h>
	1575	#ifdef HAVE_SNPRINTF
	1576	main()
	1577	{
	1578	char buf[50];
	1579	char expected_out[50];
	1580	int mazsize = 50 ;
	1581	#if (SIZEOF_LONG_INT == 8)
	1582	long int num = 0x7fffffffffffffff;
	1583	#else
	1584	long long num = 0x7fffffffffffffffll;
	1585	#endif
	1586	strcpy(expected_out, "9223372036854775807");
	1587	snprintf(buf, mazsize, "%lld", num);
	1588	if(strcmp(buf, expected_out) != 0)
	1589	exit(1);
	1590	exit(0);
	1591	}
	1592	#else
	1593	main() { exit(0); }
	1594	#endif
	1595	], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
	1596	)
	1597	fi
	1598
	1599	dnl Checks for structure members
	1600	OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
	1601	OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
	1602	OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
	1603	OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
	1604	OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
	1605	OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
	1606	OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
	1607	OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
	1608	OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
	1609	OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
	1610	OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
	1611	OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
	1612	OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
	1613	OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
	1614	OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
	1615	OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
	1616	OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
	1617
	1618	AC_CHECK_MEMBERS([struct stat.st_blksize])
	1619
	1620	AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
	1621	ac_cv_have_ss_family_in_struct_ss, [
	1622	AC_TRY_COMPILE(
	1623	[
	1624	#include <sys/types.h>
	1625	#include <sys/socket.h>
	1626	],
	1627	[ struct sockaddr_storage s; s.ss_family = 1; ],
	1628	[ ac_cv_have_ss_family_in_struct_ss="yes" ],
	1629	[ ac_cv_have_ss_family_in_struct_ss="no" ],
	1630	)
	1631	])
	1632	if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
	1633	AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
	1634	fi
	1635
	1636	AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
	1637	ac_cv_have___ss_family_in_struct_ss, [
	1638	AC_TRY_COMPILE(
	1639	[
	1640	#include <sys/types.h>
	1641	#include <sys/socket.h>
	1642	],
	1643	[ struct sockaddr_storage s; s.__ss_family = 1; ],
	1644	[ ac_cv_have___ss_family_in_struct_ss="yes" ],
	1645	[ ac_cv_have___ss_family_in_struct_ss="no" ]
	1646	)
	1647	])
	1648	if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
	1649	AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
	1650	fi
	1651
	1652	AC_CACHE_CHECK([for pw_class field in struct passwd],
	1653	ac_cv_have_pw_class_in_struct_passwd, [
	1654	AC_TRY_COMPILE(
	1655	[
	1656	#include <pwd.h>
	1657	],
	1658	[ struct passwd p; p.pw_class = 0; ],
	1659	[ ac_cv_have_pw_class_in_struct_passwd="yes" ],
	1660	[ ac_cv_have_pw_class_in_struct_passwd="no" ]
	1661	)
	1662	])
	1663	if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
	1664	AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
	1665	fi
	1666
	1667	AC_CACHE_CHECK([for pw_expire field in struct passwd],
	1668	ac_cv_have_pw_expire_in_struct_passwd, [
	1669	AC_TRY_COMPILE(
	1670	[
	1671	#include <pwd.h>
	1672	],
	1673	[ struct passwd p; p.pw_expire = 0; ],
	1674	[ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
	1675	[ ac_cv_have_pw_expire_in_struct_passwd="no" ]
	1676	)
	1677	])
	1678	if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
	1679	AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
	1680	fi
	1681
	1682	AC_CACHE_CHECK([for pw_change field in struct passwd],
	1683	ac_cv_have_pw_change_in_struct_passwd, [
	1684	AC_TRY_COMPILE(
	1685	[
	1686	#include <pwd.h>
	1687	],
	1688	[ struct passwd p; p.pw_change = 0; ],
	1689	[ ac_cv_have_pw_change_in_struct_passwd="yes" ],
	1690	[ ac_cv_have_pw_change_in_struct_passwd="no" ]
	1691	)
	1692	])
	1693	if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
	1694	AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
	1695	fi
	1696
	1697	dnl make sure we're using the real structure members and not defines
	1698	AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
	1699	ac_cv_have_accrights_in_msghdr, [
	1700	AC_TRY_RUN(
	1701	[
	1702	#include <sys/types.h>
	1703	#include <sys/socket.h>
	1704	#include <sys/uio.h>
	1705	int main() {
	1706	#ifdef msg_accrights
	1707	exit(1);
	1708	#endif
	1709	struct msghdr m;
	1710	m.msg_accrights = 0;
	1711	exit(0);
	1712	}
	1713	],
	1714	[ ac_cv_have_accrights_in_msghdr="yes" ],
	1715	[ ac_cv_have_accrights_in_msghdr="no" ]
	1716	)
	1717	])
	1718	if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
	1719	AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
	1720	fi
	1721
	1722	AC_CACHE_CHECK([for msg_control field in struct msghdr],
	1723	ac_cv_have_control_in_msghdr, [
	1724	AC_TRY_RUN(
	1725	[
	1726	#include <sys/types.h>
	1727	#include <sys/socket.h>
	1728	#include <sys/uio.h>
	1729	int main() {
	1730	#ifdef msg_control
	1731	exit(1);
	1732	#endif
	1733	struct msghdr m;
	1734	m.msg_control = 0;
	1735	exit(0);
	1736	}
	1737	],
	1738	[ ac_cv_have_control_in_msghdr="yes" ],
	1739	[ ac_cv_have_control_in_msghdr="no" ]
	1740	)
	1741	])
	1742	if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
	1743	AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
	1744	fi
	1745
	1746	AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
	1747	AC_TRY_LINK([],
	1748	[ extern char *__progname; printf("%s", __progname); ],
	1749	[ ac_cv_libc_defines___progname="yes" ],
	1750	[ ac_cv_libc_defines___progname="no" ]
	1751	)
	1752	])
	1753	if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
	1754	AC_DEFINE(HAVE___PROGNAME)
	1755	fi
	1756
	1757	AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
	1758	AC_TRY_LINK([
	1759	#include <stdio.h>
	1760	],
	1761	[ printf("%s", __FUNCTION__); ],
	1762	[ ac_cv_cc_implements___FUNCTION__="yes" ],
	1763	[ ac_cv_cc_implements___FUNCTION__="no" ]
	1764	)
	1765	])
	1766	if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
	1767	AC_DEFINE(HAVE___FUNCTION__)
	1768	fi
	1769
	1770	AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
	1771	AC_TRY_LINK([
	1772	#include <stdio.h>
	1773	],
	1774	[ printf("%s", __func__); ],
	1775	[ ac_cv_cc_implements___func__="yes" ],
	1776	[ ac_cv_cc_implements___func__="no" ]
	1777	)
	1778	])
	1779	if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
	1780	AC_DEFINE(HAVE___func__)
	1781	fi
	1782
	1783	AC_CACHE_CHECK([whether getopt has optreset support],
	1784	ac_cv_have_getopt_optreset, [
	1785	AC_TRY_LINK(
	1786	[
	1787	#include <getopt.h>
	1788	],
	1789	[ extern int optreset; optreset = 0; ],
	1790	[ ac_cv_have_getopt_optreset="yes" ],
	1791	[ ac_cv_have_getopt_optreset="no" ]
	1792	)
	1793	])
	1794	if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
	1795	AC_DEFINE(HAVE_GETOPT_OPTRESET)
	1796	fi
	1797
	1798	AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
	1799	AC_TRY_LINK([],
	1800	[ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
	1801	[ ac_cv_libc_defines_sys_errlist="yes" ],
	1802	[ ac_cv_libc_defines_sys_errlist="no" ]
	1803	)
	1804	])
	1805	if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
	1806	AC_DEFINE(HAVE_SYS_ERRLIST)
	1807	fi
	1808
	1809
	1810	AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
	1811	AC_TRY_LINK([],
	1812	[ extern int sys_nerr; printf("%i", sys_nerr);],
	1813	[ ac_cv_libc_defines_sys_nerr="yes" ],
	1814	[ ac_cv_libc_defines_sys_nerr="no" ]
	1815	)
	1816	])
	1817	if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
	1818	AC_DEFINE(HAVE_SYS_NERR)
	1819	fi
	1820
	1821	SCARD_MSG="no"
	1822	# Check whether user wants sectok support
	1823	AC_ARG_WITH(sectok,
	1824	[ --with-sectok Enable smartcard support using libsectok],
	1825	[
	1826	if test "x$withval" != "xno" ; then
	1827	if test "x$withval" != "xyes" ; then
	1828	CPPFLAGS="$CPPFLAGS -I${withval}"
	1829	LDFLAGS="$LDFLAGS -L${withval}"
	1830	if test ! -z "$need_dash_r" ; then
	1831	LDFLAGS="$LDFLAGS -R${withval}"
	1832	fi
	1833	if test ! -z "$blibpath" ; then
	1834	blibpath="$blibpath:${withval}"
	1835	fi
	1836	fi
	1837	AC_CHECK_HEADERS(sectok.h)
	1838	if test "$ac_cv_header_sectok_h" != yes; then
	1839	AC_MSG_ERROR(Can't find sectok.h)
	1840	fi
	1841	AC_CHECK_LIB(sectok, sectok_open)
	1842	if test "$ac_cv_lib_sectok_sectok_open" != yes; then
	1843	AC_MSG_ERROR(Can't find libsectok)
	1844	fi
	1845	AC_DEFINE(SMARTCARD)
	1846	AC_DEFINE(USE_SECTOK)
	1847	SCARD_MSG="yes, using sectok"
	1848	fi
	1849	]
	1850	)
	1851
	1852	# Check whether user wants OpenSC support
	1853	AC_ARG_WITH(opensc,
	1854	AC_HELP_STRING([--with-opensc=PFX],
	1855	[Enable smartcard support using OpenSC]),
	1856	opensc_config_prefix="$withval", opensc_config_prefix="")
	1857	if test x$opensc_config_prefix != x ; then
	1858	OPENSC_CONFIG=$opensc_config_prefix/bin/opensc-config
	1859	AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
	1860	if test "$OPENSC_CONFIG" != "no"; then
	1861	LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
	1862	LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
	1863	CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
	1864	LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"
	1865	AC_DEFINE(SMARTCARD)
	1866	AC_DEFINE(USE_OPENSC)
	1867	SCARD_MSG="yes, using OpenSC"
	1868	fi
	1869	fi
	1870
	1871	# Check whether user wants DNS support
	1872	DNS_MSG="no"
	1873	AC_ARG_WITH(dns,
	1874	[ --with-dns Support for fetching keys from DNS (experimental)],
	1875	[
	1876	if test "x$withval" != "xno" ; then
	1877	DNS_MSG="yes"
	1878	AC_DEFINE(DNS)
	1879	AC_SEARCH_LIBS(getrrsetbyname, resolv,
	1880	[AC_DEFINE(HAVE_GETRRSETBYNAME)],
	1881	[
	1882	# Needed by our getrrsetbyname()
	1883	AC_SEARCH_LIBS(res_query, resolv)
	1884	AC_SEARCH_LIBS(dn_expand, resolv)
	1885	])
	1886	fi
	1887	]
	1888	)
	1889
	1890	# Check whether user wants Kerberos 5 support
	1891	KRB5_MSG="no"
	1892	AC_ARG_WITH(kerberos5,
	1893	[ --with-kerberos5=PATH Enable Kerberos 5 support],
	1894	[
	1895	if test "x$withval" != "xno" ; then
	1896	if test "x$withval" = "xyes" ; then
	1897	KRB5ROOT="/usr/local"
	1898	else
	1899	KRB5ROOT=${withval}
	1900	fi
	1901	CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
	1902	LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
	1903	AC_DEFINE(KRB5)
	1904	KRB5_MSG="yes"
	1905	AC_MSG_CHECKING(whether we are using Heimdal)
	1906	AC_TRY_COMPILE([ #include <krb5.h> ],
	1907	[ char *tmp = heimdal_version; ],
	1908	[ AC_MSG_RESULT(yes)
	1909	AC_DEFINE(HEIMDAL)
	1910	K5LIBS="-lkrb5 -ldes -lcom_err -lasn1 -lroken"
	1911	],
	1912	[ AC_MSG_RESULT(no)
	1913	K5LIBS="-lkrb5 -lk5crypto -lcom_err"
	1914	]
	1915	)
	1916	if test ! -z "$need_dash_r" ; then
	1917	LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
	1918	fi
	1919	if test ! -z "$blibpath" ; then
	1920	blibpath="$blibpath:${KRB5ROOT}/lib"
	1921	fi
	1922	AC_SEARCH_LIBS(dn_expand, resolv)
	1923
	1924	KRB5=yes
	1925	fi
	1926	]
	1927	)
	1928	# Check whether user wants Kerberos 4 support
	1929	KRB4_MSG="no"
	1930	AC_ARG_WITH(kerberos4,
	1931	[ --with-kerberos4=PATH Enable Kerberos 4 support],
	1932	[
	1933	if test "x$withval" != "xno" ; then
	1934	if test "x$withval" != "xyes" ; then
	1935	CPPFLAGS="$CPPFLAGS -I${withval}/include"
	1936	LDFLAGS="$LDFLAGS -L${withval}/lib"
	1937	if test ! -z "$need_dash_r" ; then
	1938	LDFLAGS="$LDFLAGS -R${withval}/lib"
	1939	fi
	1940	if test ! -z "$blibpath" ; then
	1941	blibpath="$blibpath:${withval}/lib"
	1942	fi
	1943	else
	1944	if test -d /usr/include/kerberosIV ; then
	1945	CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
	1946	fi
	1947	fi
	1948
	1949	AC_CHECK_HEADERS(krb.h)
	1950	if test "$ac_cv_header_krb_h" != yes; then
	1951	AC_MSG_WARN([Cannot find krb.h, build may fail])
	1952	fi
	1953	AC_CHECK_LIB(krb, main)
	1954	if test "$ac_cv_lib_krb_main" != yes; then
	1955	AC_CHECK_LIB(krb4, main)
	1956	if test "$ac_cv_lib_krb4_main" != yes; then
	1957	AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
	1958	else
	1959	KLIBS="-lkrb4"
	1960	fi
	1961	else
	1962	KLIBS="-lkrb"
	1963	fi
	1964	AC_CHECK_LIB(des, des_cbc_encrypt)
	1965	if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
	1966	AC_CHECK_LIB(des425, des_cbc_encrypt)
	1967	if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
	1968	AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
	1969	else
	1970	KLIBS="-ldes425"
	1971	fi
	1972	else
	1973	KLIBS="-ldes"
	1974	fi
	1975	AC_CHECK_LIB(resolv, dn_expand, , )
	1976	KRB4=yes
	1977	KRB4_MSG="yes"
	1978	AC_DEFINE(KRB4)
	1979	fi
	1980	]
	1981	)
	1982
	1983	# Check whether user wants AFS support
	1984	AFS_MSG="no"
	1985	AC_ARG_WITH(afs,
	1986	[ --with-afs=PATH Enable AFS support],
	1987	[
	1988	if test "x$withval" != "xno" ; then
	1989
	1990	if test "x$withval" != "xyes" ; then
	1991	CPPFLAGS="$CPPFLAGS -I${withval}/include"
	1992	LDFLAGS="$LDFLAGS -L${withval}/lib"
	1993	fi
	1994
	1995	if test -z "$KRB4" ; then
	1996	AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
	1997	fi
	1998
	1999	LIBS="-lkafs $LIBS"
	2000	if test ! -z "$AFS_LIBS" ; then
	2001	LIBS="$LIBS $AFS_LIBS"
	2002	fi
	2003	AC_DEFINE(AFS)
	2004	AFS_MSG="yes"
	2005	fi
	2006	]
	2007	)
	2008	LIBS="$LIBS $KLIBS $K5LIBS"
	2009
	2010	# Looking for programs, paths and files
	2011
	2012	PRIVSEP_PATH=/var/empty
	2013	AC_ARG_WITH(privsep-path,
	2014	[ --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)],
	2015	[
	2016	if test "x$withval" != "$no" ; then
	2017	PRIVSEP_PATH=$withval
	2018	fi
	2019	]
	2020	)
	2021	AC_SUBST(PRIVSEP_PATH)
	2022
	2023	AC_ARG_WITH(xauth,
	2024	[ --with-xauth=PATH Specify path to xauth program ],
	2025	[
	2026	if test "x$withval" != "xno" ; then
	2027	xauth_path=$withval
	2028	fi
	2029	],
	2030	[
	2031	TestPath="$PATH"
	2032	TestPath="${TestPath}${PATH_SEPARATOR}/usr/X/bin"
	2033	TestPath="${TestPath}${PATH_SEPARATOR}/usr/bin/X11"
	2034	TestPath="${TestPath}${PATH_SEPARATOR}/usr/X11R6/bin"
	2035	TestPath="${TestPath}${PATH_SEPARATOR}/usr/openwin/bin"
	2036	AC_PATH_PROG(xauth_path, xauth, , $TestPath)
	2037	if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
	2038	xauth_path="/usr/openwin/bin/xauth"
	2039	fi
	2040	]
	2041	)
	2042
	2043	STRIP_OPT=-s
	2044	AC_ARG_ENABLE(strip,
	2045	[ --disable-strip Disable calling strip(1) on install],
	2046	[
	2047	if test "x$enableval" = "xno" ; then
	2048	STRIP_OPT=
	2049	fi
	2050	]
	2051	)
	2052	AC_SUBST(STRIP_OPT)
	2053
	2054	if test -z "$xauth_path" ; then
	2055	XAUTH_PATH="undefined"
	2056	AC_SUBST(XAUTH_PATH)
	2057	else
	2058	AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
	2059	XAUTH_PATH=$xauth_path
	2060	AC_SUBST(XAUTH_PATH)
	2061	fi
	2062
	2063	# Check for mail directory (last resort if we cannot get it from headers)
	2064	if test ! -z "$MAIL" ; then
	2065	maildir=`dirname $MAIL`
	2066	AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
	2067	fi
	2068
	2069	if test -z "$no_dev_ptmx" ; then
	2070	if test "x$disable_ptmx_check" != "xyes" ; then
	2071	AC_CHECK_FILE("/dev/ptmx",
	2072	[
	2073	AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
	2074	have_dev_ptmx=1
	2075	]
	2076	)
	2077	fi
	2078	fi
	2079	AC_CHECK_FILE("/dev/ptc",
	2080	[
	2081	AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
	2082	have_dev_ptc=1
	2083	]
	2084	)
	2085
	2086	# Options from here on. Some of these are preset by platform above
	2087	AC_ARG_WITH(mantype,
	2088	[ --with-mantype=man\|cat\|doc Set man page type],
	2089	[
	2090	case "$withval" in
	2091	man\|cat\|doc)
	2092	MANTYPE=$withval
	2093	;;
	2094	*)
	2095	AC_MSG_ERROR(invalid man type: $withval)
	2096	;;
	2097	esac
	2098	]
	2099	)
	2100	if test -z "$MANTYPE"; then
	2101	TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb"
	2102	AC_PATH_PROGS(NROFF, nroff awf, /bin/false, $TestPath)
	2103	if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
	2104	MANTYPE=doc
	2105	elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
	2106	MANTYPE=man
	2107	else
	2108	MANTYPE=cat
	2109	fi
	2110	fi
	2111	AC_SUBST(MANTYPE)
	2112	if test "$MANTYPE" = "doc"; then
	2113	mansubdir=man;
	2114	else
	2115	mansubdir=$MANTYPE;
	2116	fi
	2117	AC_SUBST(mansubdir)
	2118
	2119	# Check whether to enable MD5 passwords
	2120	MD5_MSG="no"
	2121	AC_ARG_WITH(md5-passwords,
	2122	[ --with-md5-passwords Enable use of MD5 passwords],
	2123	[
	2124	if test "x$withval" != "xno" ; then
	2125	AC_DEFINE(HAVE_MD5_PASSWORDS)
	2126	MD5_MSG="yes"
	2127	fi
	2128	]
	2129	)
	2130
	2131	# Whether to disable shadow password support
	2132	AC_ARG_WITH(shadow,
	2133	[ --without-shadow Disable shadow password support],
	2134	[
	2135	if test "x$withval" = "xno" ; then
	2136	AC_DEFINE(DISABLE_SHADOW)
	2137	disable_shadow=yes
	2138	fi
	2139	]
	2140	)
	2141
	2142	if test -z "$disable_shadow" ; then
	2143	AC_MSG_CHECKING([if the systems has expire shadow information])
	2144	AC_TRY_COMPILE(
	2145	[
	2146	#include <sys/types.h>
	2147	#include <shadow.h>
	2148	struct spwd sp;
	2149	],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
	2150	[ sp_expire_available=yes ], []
	2151	)
	2152
	2153	if test "x$sp_expire_available" = "xyes" ; then
	2154	AC_MSG_RESULT(yes)
	2155	AC_DEFINE(HAS_SHADOW_EXPIRE)
	2156	else
	2157	AC_MSG_RESULT(no)
	2158	fi
	2159	fi
	2160
	2161	# Use ip address instead of hostname in $DISPLAY
	2162	if test ! -z "$IPADDR_IN_DISPLAY" ; then
	2163	DISPLAY_HACK_MSG="yes"
	2164	AC_DEFINE(IPADDR_IN_DISPLAY)
	2165	else
	2166	DISPLAY_HACK_MSG="no"
	2167	AC_ARG_WITH(ipaddr-display,
	2168	[ --with-ipaddr-display Use ip address instead of hostname in \$DISPLAY],
	2169	[
	2170	if test "x$withval" != "xno" ; then
	2171	AC_DEFINE(IPADDR_IN_DISPLAY)
	2172	DISPLAY_HACK_MSG="yes"
	2173	fi
	2174	]
	2175	)
	2176	fi
	2177
	2178	dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
	2179	if test $ac_cv_func_login_getcapbool = "yes" -a \
	2180	$ac_cv_header_login_cap_h = "yes" ; then
	2181	USES_LOGIN_CONF=yes
	2182	fi
	2183	# Whether to mess with the default path
	2184	SERVER_PATH_MSG="(default)"
	2185	AC_ARG_WITH(default-path,
	2186	[ --with-default-path= Specify default \$PATH environment for server],
	2187	[
	2188	if test "$USES_LOGIN_CONF" = "yes" ; then
	2189	AC_MSG_WARN([
	2190	--with-default-path=PATH has no effect on this system.
	2191	Edit /etc/login.conf instead.])
	2192	elif test "x$withval" != "xno" ; then
	2193	user_path="$withval"
	2194	SERVER_PATH_MSG="$withval"
	2195	fi
	2196	],
	2197	[ if test "$USES_LOGIN_CONF" = "yes" ; then
	2198	AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
	2199	else
	2200	AC_TRY_RUN(
	2201	[
	2202	/* find out what STDPATH is */
	2203	#include <stdio.h>
	2204	#ifdef HAVE_PATHS_H
	2205	# include <paths.h>
	2206	#endif
	2207	#ifndef _PATH_STDPATH
	2208	# ifdef _PATH_USERPATH /* Irix */
	2209	# define _PATH_STDPATH _PATH_USERPATH
	2210	# else
	2211	# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
	2212	# endif
	2213	#endif
	2214	#include <sys/types.h>
	2215	#include <sys/stat.h>
	2216	#include <fcntl.h>
	2217	#define DATA "conftest.stdpath"
	2218
	2219	main()
	2220	{
	2221	FILE *fd;
	2222	int rc;
	2223
	2224	fd = fopen(DATA,"w");
	2225	if(fd == NULL)
	2226	exit(1);
	2227
	2228	if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
	2229	exit(1);
	2230
	2231	exit(0);
	2232	}
	2233	], [ user_path=`cat conftest.stdpath` ],
	2234	[ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
	2235	[ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
	2236	)
	2237	# make sure $bindir is in USER_PATH so scp will work
	2238	t_bindir=`eval echo ${bindir}`
	2239	case $t_bindir in
	2240	NONE/*) t_bindir=`echo $t_bindir \| sed "s~NONE~$prefix~"` ;;
	2241	esac
	2242	case $t_bindir in
	2243	NONE/*) t_bindir=`echo $t_bindir \| sed "s~NONE~$ac_default_prefix~"` ;;
	2244	esac
	2245	echo $user_path \| grep ":$t_bindir" > /dev/null 2>&1
	2246	if test $? -ne 0 ; then
	2247	echo $user_path \| grep "^$t_bindir" > /dev/null 2>&1
	2248	if test $? -ne 0 ; then
	2249	user_path=$user_path:$t_bindir
	2250	AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
	2251	fi
	2252	fi
	2253	fi ]
	2254	)
	2255	if test "$USES_LOGIN_CONF" != "yes" ; then
	2256	AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
	2257	AC_SUBST(user_path)
	2258	fi
	2259
	2260	# Set superuser path separately to user path
	2261	AC_ARG_WITH(superuser-path,
	2262	[ --with-superuser-path= Specify different path for super-user],
	2263	[
	2264	if test "x$withval" != "xno" ; then
	2265	AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval")
	2266	superuser_path=$withval
	2267	fi
	2268	]
	2269	)
	2270
	2271
	2272	AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
	2273	IPV4_IN6_HACK_MSG="no"
	2274	AC_ARG_WITH(4in6,
	2275	[ --with-4in6 Check for and convert IPv4 in IPv6 mapped addresses],
	2276	[
	2277	if test "x$withval" != "xno" ; then
	2278	AC_MSG_RESULT(yes)
	2279	AC_DEFINE(IPV4_IN_IPV6)
	2280	IPV4_IN6_HACK_MSG="yes"
	2281	else
	2282	AC_MSG_RESULT(no)
	2283	fi
	2284	],[
	2285	if test "x$inet6_default_4in6" = "xyes"; then
	2286	AC_MSG_RESULT([yes (default)])
	2287	AC_DEFINE(IPV4_IN_IPV6)
	2288	IPV4_IN6_HACK_MSG="yes"
	2289	else
	2290	AC_MSG_RESULT([no (default)])
	2291	fi
	2292	]
	2293	)
	2294
	2295	# Whether to enable BSD auth support
	2296	BSD_AUTH_MSG=no
	2297	AC_ARG_WITH(bsd-auth,
	2298	[ --with-bsd-auth Enable BSD auth support],
	2299	[
	2300	if test "x$withval" != "xno" ; then
	2301	AC_DEFINE(BSD_AUTH)
	2302	BSD_AUTH_MSG=yes
	2303	fi
	2304	]
	2305	)
	2306
	2307	# Where to place sshd.pid
	2308	piddir=/var/run
	2309	# make sure the directory exists
	2310	if test ! -d $piddir ; then
	2311	piddir=`eval echo ${sysconfdir}`
	2312	case $piddir in
	2313	NONE/*) piddir=`echo $piddir \| sed "s~NONE~$ac_default_prefix~"` ;;
	2314	esac
	2315	fi
	2316
	2317	AC_ARG_WITH(pid-dir,
	2318	[ --with-pid-dir=PATH Specify location of ssh.pid file],
	2319	[
	2320	if test "x$withval" != "xno" ; then
	2321	piddir=$withval
	2322	if test ! -d $piddir ; then
	2323	AC_MSG_WARN([ no $piddir directory on this system ])
	2324	fi
	2325	fi
	2326	]
	2327	)
	2328
	2329	AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
	2330	AC_SUBST(piddir)
	2331
	2332	dnl allow user to disable some login recording features
	2333	AC_ARG_ENABLE(lastlog,
	2334	[ --disable-lastlog disable use of lastlog even if detected [no]],
	2335	[
	2336	if test "x$enableval" = "xno" ; then
	2337	AC_DEFINE(DISABLE_LASTLOG)
	2338	fi
	2339	]
	2340	)
	2341	AC_ARG_ENABLE(utmp,
	2342	[ --disable-utmp disable use of utmp even if detected [no]],
	2343	[
	2344	if test "x$enableval" = "xno" ; then
	2345	AC_DEFINE(DISABLE_UTMP)
	2346	fi
	2347	]
	2348	)
	2349	AC_ARG_ENABLE(utmpx,
	2350	[ --disable-utmpx disable use of utmpx even if detected [no]],
	2351	[
	2352	if test "x$enableval" = "xno" ; then
	2353	AC_DEFINE(DISABLE_UTMPX)
	2354	fi
	2355	]
	2356	)
	2357	AC_ARG_ENABLE(wtmp,
	2358	[ --disable-wtmp disable use of wtmp even if detected [no]],
	2359	[
	2360	if test "x$enableval" = "xno" ; then
	2361	AC_DEFINE(DISABLE_WTMP)
	2362	fi
	2363	]
	2364	)
	2365	AC_ARG_ENABLE(wtmpx,
	2366	[ --disable-wtmpx disable use of wtmpx even if detected [no]],
	2367	[
	2368	if test "x$enableval" = "xno" ; then
	2369	AC_DEFINE(DISABLE_WTMPX)
	2370	fi
	2371	]
	2372	)
	2373	AC_ARG_ENABLE(libutil,
	2374	[ --disable-libutil disable use of libutil (login() etc.) [no]],
	2375	[
	2376	if test "x$enableval" = "xno" ; then
	2377	AC_DEFINE(DISABLE_LOGIN)
	2378	fi
	2379	]
	2380	)
	2381	AC_ARG_ENABLE(pututline,
	2382	[ --disable-pututline disable use of pututline() etc. ([uw]tmp) [no]],
	2383	[
	2384	if test "x$enableval" = "xno" ; then
	2385	AC_DEFINE(DISABLE_PUTUTLINE)
	2386	fi
	2387	]
	2388	)
	2389	AC_ARG_ENABLE(pututxline,
	2390	[ --disable-pututxline disable use of pututxline() etc. ([uw]tmpx) [no]],
	2391	[
	2392	if test "x$enableval" = "xno" ; then
	2393	AC_DEFINE(DISABLE_PUTUTXLINE)
	2394	fi
	2395	]
	2396	)
	2397	AC_ARG_WITH(lastlog,
	2398	[ --with-lastlog=FILE\|DIR specify lastlog location [common locations]],
	2399	[
	2400	if test "x$withval" = "xno" ; then
	2401	AC_DEFINE(DISABLE_LASTLOG)
	2402	else
	2403	conf_lastlog_location=$withval
	2404	fi
	2405	]
	2406	)
	2407
	2408	dnl lastlog, [uw]tmpx? detection
	2409	dnl NOTE: set the paths in the platform section to avoid the
	2410	dnl need for command-line parameters
	2411	dnl lastlog and [uw]tmp are subject to a file search if all else fails
	2412
	2413	dnl lastlog detection
	2414	dnl NOTE: the code itself will detect if lastlog is a directory
	2415	AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
	2416	AC_TRY_COMPILE([
	2417	#include <sys/types.h>
	2418	#include <utmp.h>
	2419	#ifdef HAVE_LASTLOG_H
	2420	# include <lastlog.h>
	2421	#endif
	2422	#ifdef HAVE_PATHS_H
	2423	# include <paths.h>
	2424	#endif
	2425	#ifdef HAVE_LOGIN_H
	2426	# include <login.h>
	2427	#endif
	2428	],
	2429	[ char *lastlog = LASTLOG_FILE; ],
	2430	[ AC_MSG_RESULT(yes) ],
	2431	[
	2432	AC_MSG_RESULT(no)
	2433	AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
	2434	AC_TRY_COMPILE([
	2435	#include <sys/types.h>
	2436	#include <utmp.h>
	2437	#ifdef HAVE_LASTLOG_H
	2438	# include <lastlog.h>
	2439	#endif
	2440	#ifdef HAVE_PATHS_H
	2441	# include <paths.h>
	2442	#endif
	2443	],
	2444	[ char *lastlog = _PATH_LASTLOG; ],
	2445	[ AC_MSG_RESULT(yes) ],
	2446	[
	2447	AC_MSG_RESULT(no)
	2448	system_lastlog_path=no
	2449	])
	2450	]
	2451	)
	2452
	2453	if test -z "$conf_lastlog_location"; then
	2454	if test x"$system_lastlog_path" = x"no" ; then
	2455	for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
	2456	if (test -d "$f" \|\| test -f "$f") ; then
	2457	conf_lastlog_location=$f
	2458	fi
	2459	done
	2460	if test -z "$conf_lastlog_location"; then
	2461	AC_MSG_WARN([ Cannot find lastlog ])
	2462	dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
	2463	fi
	2464	fi
	2465	fi
	2466
	2467	if test -n "$conf_lastlog_location"; then
	2468	AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
	2469	fi
	2470
	2471	dnl utmp detection
	2472	AC_MSG_CHECKING([if your system defines UTMP_FILE])
	2473	AC_TRY_COMPILE([
	2474	#include <sys/types.h>
	2475	#include <utmp.h>
	2476	#ifdef HAVE_PATHS_H
	2477	# include <paths.h>
	2478	#endif
	2479	],
	2480	[ char *utmp = UTMP_FILE; ],
	2481	[ AC_MSG_RESULT(yes) ],
	2482	[ AC_MSG_RESULT(no)
	2483	system_utmp_path=no ]
	2484	)
	2485	if test -z "$conf_utmp_location"; then
	2486	if test x"$system_utmp_path" = x"no" ; then
	2487	for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
	2488	if test -f $f ; then
	2489	conf_utmp_location=$f
	2490	fi
	2491	done
	2492	if test -z "$conf_utmp_location"; then
	2493	AC_DEFINE(DISABLE_UTMP)
	2494	fi
	2495	fi
	2496	fi
	2497	if test -n "$conf_utmp_location"; then
	2498	AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
	2499	fi
	2500
	2501	dnl wtmp detection
	2502	AC_MSG_CHECKING([if your system defines WTMP_FILE])
	2503	AC_TRY_COMPILE([
	2504	#include <sys/types.h>
	2505	#include <utmp.h>
	2506	#ifdef HAVE_PATHS_H
	2507	# include <paths.h>
	2508	#endif
	2509	],
	2510	[ char *wtmp = WTMP_FILE; ],
	2511	[ AC_MSG_RESULT(yes) ],
	2512	[ AC_MSG_RESULT(no)
	2513	system_wtmp_path=no ]
	2514	)
	2515	if test -z "$conf_wtmp_location"; then
	2516	if test x"$system_wtmp_path" = x"no" ; then
	2517	for f in /usr/adm/wtmp /var/log/wtmp; do
	2518	if test -f $f ; then
	2519	conf_wtmp_location=$f
	2520	fi
	2521	done
	2522	if test -z "$conf_wtmp_location"; then
	2523	AC_DEFINE(DISABLE_WTMP)
	2524	fi
	2525	fi
	2526	fi
	2527	if test -n "$conf_wtmp_location"; then
	2528	AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
	2529	fi
	2530
	2531
	2532	dnl utmpx detection - I don't know any system so perverse as to require
	2533	dnl utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
	2534	dnl there, though.
	2535	AC_MSG_CHECKING([if your system defines UTMPX_FILE])
	2536	AC_TRY_COMPILE([
	2537	#include <sys/types.h>
	2538	#include <utmp.h>
	2539	#ifdef HAVE_UTMPX_H
	2540	#include <utmpx.h>
	2541	#endif
	2542	#ifdef HAVE_PATHS_H
	2543	# include <paths.h>
	2544	#endif
	2545	],
	2546	[ char *utmpx = UTMPX_FILE; ],
	2547	[ AC_MSG_RESULT(yes) ],
	2548	[ AC_MSG_RESULT(no)
	2549	system_utmpx_path=no ]
	2550	)
	2551	if test -z "$conf_utmpx_location"; then
	2552	if test x"$system_utmpx_path" = x"no" ; then
	2553	AC_DEFINE(DISABLE_UTMPX)
	2554	fi
	2555	else
	2556	AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
	2557	fi
	2558
	2559	dnl wtmpx detection
	2560	AC_MSG_CHECKING([if your system defines WTMPX_FILE])
	2561	AC_TRY_COMPILE([
	2562	#include <sys/types.h>
	2563	#include <utmp.h>
	2564	#ifdef HAVE_UTMPX_H
	2565	#include <utmpx.h>
	2566	#endif
	2567	#ifdef HAVE_PATHS_H
	2568	# include <paths.h>
	2569	#endif
	2570	],
	2571	[ char *wtmpx = WTMPX_FILE; ],
	2572	[ AC_MSG_RESULT(yes) ],
	2573	[ AC_MSG_RESULT(no)
	2574	system_wtmpx_path=no ]
	2575	)
	2576	if test -z "$conf_wtmpx_location"; then
	2577	if test x"$system_wtmpx_path" = x"no" ; then
	2578	AC_DEFINE(DISABLE_WTMPX)
	2579	fi
	2580	else
	2581	AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
	2582	fi
	2583
	2584
	2585	if test ! -z "$blibpath" ; then
	2586	LDFLAGS="$LDFLAGS $blibflags$blibpath"
	2587	AC_MSG_WARN([Please check and edit blibpath in LDFLAGS in Makefile])
	2588	fi
	2589
	2590	dnl remove pam and dl because they are in $LIBPAM
	2591	if test "$PAM_MSG" = yes ; then
	2592	LIBS=`echo $LIBS \| sed 's/-lpam //'`
	2593	fi
	2594	if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
	2595	LIBS=`echo $LIBS \| sed 's/-ldl //'`
	2596	fi
	2597
	2598	AC_EXEEXT
	2599	AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
	2600	AC_OUTPUT
	2601
	2602	# Print summary of options
	2603
	2604	# Someone please show me a better way :)
	2605	A=`eval echo ${prefix}` ; A=`eval echo ${A}`
	2606	B=`eval echo ${bindir}` ; B=`eval echo ${B}`
	2607	C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
	2608	D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
	2609	E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
	2610	F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
	2611	G=`eval echo ${piddir}` ; G=`eval echo ${G}`
	2612	H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
	2613	I=`eval echo ${user_path}` ; I=`eval echo ${I}`
	2614	J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
	2615
	2616	echo ""
	2617	echo "OpenSSH has been configured with the following options:"
	2618	echo " User binaries: $B"
	2619	echo " System binaries: $C"
	2620	echo " Configuration files: $D"
	2621	echo " Askpass program: $E"
	2622	echo " Manual pages: $F"
	2623	echo " PID file: $G"
	2624	echo " Privilege separation chroot path: $H"
	2625	if test "$USES_LOGIN_CONF" = "yes" ; then
	2626	echo " At runtime, sshd will use the path defined in /etc/login.conf"
	2627	else
	2628	echo " sshd default user PATH: $I"
	2629	fi
	2630	if test ! -z "$superuser_path" ; then
	2631	echo " sshd superuser user PATH: $J"
	2632	fi
	2633	echo " Manpage format: $MANTYPE"
	2634	echo " DNS support: $DNS_MSG"
	2635	echo " PAM support: $PAM_MSG"
	2636	echo " KerberosIV support: $KRB4_MSG"
	2637	echo " KerberosV support: $KRB5_MSG"
	2638	echo " Smartcard support: $SCARD_MSG"
	2639	echo " AFS support: $AFS_MSG"
	2640	echo " S/KEY support: $SKEY_MSG"
	2641	echo " TCP Wrappers support: $TCPW_MSG"
	2642	echo " MD5 password support: $MD5_MSG"
	2643	echo " IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
	2644	echo " Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
	2645	echo " BSD Auth support: $BSD_AUTH_MSG"
	2646	echo " Random number source: $RAND_MSG"
	2647	if test ! -z "$USE_RAND_HELPER" ; then
	2648	echo " ssh-rand-helper collects from: $RAND_HELPER_MSG"
	2649	fi
	2650
	2651	echo ""
	2652
	2653	echo " Host: ${host}"
	2654	echo " Compiler: ${CC}"
	2655	echo " Compiler flags: ${CFLAGS}"
	2656	echo "Preprocessor flags: ${CPPFLAGS}"
	2657	echo " Linker flags: ${LDFLAGS}"
	2658	echo " Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
	2659
	2660	echo ""
	2661
	2662	if test "x$PAM_MSG" = "xyes" ; then
	2663	echo "PAM is enabled. You may need to install a PAM control file "
	2664	echo "for sshd, otherwise password authentication may fail. "
	2665	echo "Example PAM control files can be found in the contrib/ "
	2666	echo "subdirectory"
	2667	echo ""
	2668	fi
	2669
	2670	if test ! -z "$RAND_HELPER_CMDHASH" ; then
	2671	echo "WARNING: you are using the builtin random number collection "
	2672	echo "service. Please read WARNING.RNG and request that your OS "
	2673	echo "vendor includes kernel-based random number collection in "
	2674	echo "future versions of your OS."
	2675	echo ""
	2676	fi
	2677