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configure.ac
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# $Id: configure.ac,v 1.397 2008/03/27 01:33:07 djm Exp $
#
# Copyright (c) 1999-2004 Damien Miller
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
AC_INIT(OpenSSH, Portable, [email protected])
AC_REVISION($Revision: 1.397 $)
AC_CONFIG_SRCDIR([pam_ssh_agent_auth.c])
AC_CONFIG_HEADER(config.h)
AC_PROG_CC
AC_CANONICAL_HOST
AC_C_BIGENDIAN
# Checks for programs.
AC_PROG_AWK
AC_PROG_CPP
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_PROG_EGREP
AC_PATH_PROG(AR, ar)
AC_PATH_PROG(CAT, cat)
AC_PATH_PROG(KILL, kill)
AC_PATH_PROGS(PERL, perl5 perl)
AC_PATH_PROG(SED, sed)
AC_SUBST(PERL)
AC_PATH_PROG(ENT, ent)
AC_SUBST(ENT)
AC_PATH_PROG(TEST_MINUS_S_SH, bash)
AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
AC_PATH_PROG(TEST_MINUS_S_SH, sh)
AC_PATH_PROG(SH, sh)
AC_SUBST(TEST_SHELL,sh)
dnl for buildpkg.sh
AC_PATH_PROG(PATH_GROUPADD_PROG, groupadd, groupadd,
[/usr/sbin${PATH_SEPARATOR}/etc])
AC_PATH_PROG(PATH_USERADD_PROG, useradd, useradd,
[/usr/sbin${PATH_SEPARATOR}/etc])
AC_CHECK_PROG(MAKE_PACKAGE_SUPPORTED, pkgmk, yes, no)
if test -x /sbin/sh; then
AC_SUBST(STARTUP_SCRIPT_SHELL,/sbin/sh)
else
AC_SUBST(STARTUP_SCRIPT_SHELL,/bin/sh)
fi
# Check functions
AC_FUNC_CHOWN
AC_FUNC_CLOSEDIR_VOID
AC_FUNC_FORK
AC_PROG_GCC_TRADITIONAL
AC_FUNC_LSTAT
AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
AC_FUNC_MALLOC
AC_FUNC_MEMCMP
AC_FUNC_MMAP
AC_FUNC_REALLOC
AC_FUNC_SELECT_ARGTYPES
AC_TYPE_SIGNAL
AC_FUNC_STAT
AC_FUNC_STRNLEN
AC_FUNC_UTIME_NULL
AC_CHECK_FUNCS([dup2 endgrent ftruncate getcwd gethostbyaddr gethostbyname getpass getspnam gettimeofday inet_ntoa isascii memmove memset mkdir realpath rmdir select setenv socket strcasecmp strchr strdup strerror strncasecmp strpbrk strrchr strspn strstr strtol strtoul uname utime strnlen gethostname])
AC_CHECK_FUNCS(openpty,,
AC_CHECK_LIB(util,openpty,
[AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"],
AC_CHECK_LIB(bsd,openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lbsd"])
)
)
AC_CHECK_FUNCS(forkpty,,
AC_CHECK_LIB(util,forkpty,
[AC_DEFINE(HAVE_FORKPTY) LIBS="$LIBS -lutil"],
AC_CHECK_LIB(bsd,forkpty, [AC_DEFINE(HAVE_FORKPTY) LIBS="$LIBS -lbsd"])
)
)
# System features
AC_SYS_LARGEFILE
if test -z "$AR" ; then
AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
fi
# Use LOGIN_PROGRAM from environment if possible
if test ! -z "$LOGIN_PROGRAM" ; then
AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM",
[If your header files don't define LOGIN_PROGRAM,
then use this (detected) from environment and PATH])
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
AC_PATH_PROG(PATH_PASSWD_PROG, passwd)
if test ! -z "$PATH_PASSWD_PROG" ; then
AC_DEFINE_UNQUOTED(_PATH_PASSWD_PROG, "$PATH_PASSWD_PROG",
[Full path of your "passwd" program])
fi
if test -z "$LD" ; then
LD=$CC
fi
AC_SUBST(LD)
AC_C_INLINE
AC_CHECK_DECL(LLONG_MAX, have_llong_max=1, , [#include <limits.h>])
enable_sudo_hack=1
AC_ARG_ENABLE(sudo-hack,
[ --disable-sudo-hack Disable using SUDO_USER from the environment
when PAM_SERVICE is sudo and PAM_RUSER is null ], [
if test "x$withval" = "xno"; then
enable_sudo_hack=0
fi ])
if test "$enable_sudo_hack" -eq "1"; then
AC_DEFINE(ENABLE_SUDO_HACK, 1, [enable sudo hack])
fi
use_stack_protector=1
AC_ARG_WITH(stackprotect,
[ --without-stackprotect Don't use compiler's stack protection], [
if test "x$withval" = "xno"; then
use_stack_protector=0
fi ])
if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
CFLAGS="$CFLAGS -fPIC -Wall -Wpointer-arith -Wuninitialized"
GCC_VER=`$CC -v 2>&1 | $AWK '/gcc version /{print $3}'`
case $GCC_VER in
1.*) no_attrib_nonnull=1 ;;
2.8* | 2.9*)
CFLAGS="$CFLAGS -Wsign-compare"
no_attrib_nonnull=1
;;
2.*) no_attrib_nonnull=1 ;;
3.*) CFLAGS="$CFLAGS -Wsign-compare" ;;
4.*) CFLAGS="$CFLAGS -Wsign-compare -Wno-pointer-sign" ;;
*) ;;
esac
# -fstack-protector-all doesn't always work for some GCC versions
# and/or platforms, so we test if we can. If it's not supported
# on a give platform gcc will emit a warning so we use -Werror.
if test "x$use_stack_protector" = "x1"; then
for t in -fstack-protector-all -fstack-protector; do
AC_MSG_CHECKING(if $CC supports $t)
saved_CFLAGS="$CFLAGS"
saved_LDFLAGS="$LDFLAGS"
CFLAGS="$CFLAGS $t -Werror"
LDFLAGS="$LDFLAGS $t -Werror"
AC_LINK_IFELSE(
[AC_LANG_SOURCE([
#include <stdlib.h>
int main(void){return 0;}
])],
[ AC_MSG_RESULT(yes)
CFLAGS="$saved_CFLAGS $t"
LDFLAGS="$saved_LDFLAGS $t"
AC_MSG_CHECKING(if $t works)
AC_RUN_IFELSE(
[AC_LANG_SOURCE([
#include <stdlib.h>
int main(void){exit(0);}
])],
[ AC_MSG_RESULT(yes)
break ],
[ AC_MSG_RESULT(no) ],
[ AC_MSG_WARN([cross compiling: cannot test])
break ]
)
],
[ AC_MSG_RESULT(no) ]
)
CFLAGS="$saved_CFLAGS"
LDFLAGS="$saved_LDFLAGS"
done
fi
if test -z "$have_llong_max"; then
# retry LLONG_MAX with -std=gnu99, needed on some Linuxes
unset ac_cv_have_decl_LLONG_MAX
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -std=gnu99"
AC_CHECK_DECL(LLONG_MAX,
[have_llong_max=1],
[CFLAGS="$saved_CFLAGS"],
[#include <limits.h>]
)
fi
fi
if test "x$no_attrib_nonnull" != "x1" ; then
AC_DEFINE(HAVE_ATTRIBUTE__NONNULL__, 1, [Have attribute nonnull])
fi
AC_ARG_WITH(rpath,
[ --without-rpath Disable auto-added -R linker paths],
[
if test "x$withval" = "xno" ; then
need_dash_r=""
fi
if test "x$withval" = "xyes" ; then
need_dash_r=1
fi
]
)
# Allow user to specify flags
AC_ARG_WITH(cflags,
[ --with-cflags Specify additional flags to pass to compiler],
[
if test -n "$withval" && test "x$withval" != "xno" && \
test "x${withval}" != "xyes"; then
CFLAGS="$CFLAGS $withval"
fi
]
)
AC_ARG_WITH(cppflags,
[ --with-cppflags Specify additional flags to pass to preprocessor] ,
[
if test -n "$withval" && test "x$withval" != "xno" && \
test "x${withval}" != "xyes"; then
CPPFLAGS="$CPPFLAGS $withval"
fi
]
)
AC_ARG_WITH(ldflags,
[ --with-ldflags Specify additional flags to pass to linker],
[
if test -n "$withval" && test "x$withval" != "xno" && \
test "x${withval}" != "xyes"; then
LDFLAGS="$LDFLAGS $withval"
fi
]
)
AC_ARG_WITH(libs,
[ --with-libs Specify additional libraries to link with],
[
if test -n "$withval" && test "x$withval" != "xno" && \
test "x${withval}" != "xyes"; then
LIBS="$LIBS $withval"
fi
]
)
AC_ARG_WITH(Werror,
[ --with-Werror Build main code with -Werror],
[
if test -n "$withval" && test "x$withval" != "xno"; then
werror_flags="-Werror"
if test "x${withval}" != "xyes"; then
werror_flags="$withval"
fi
fi
]
)
AC_CHECK_HEADERS( \
bstring.h \
crypt.h \
crypto/sha2.h \
dirent.h \
endian.h \
features.h \
fcntl.h \
floatingpoint.h \
getopt.h \
glob.h \
ia.h \
iaf.h \
limits.h \
login.h \
maillock.h \
ndir.h \
net/if_tun.h \
netdb.h \
netgroup.h \
pam/pam_appl.h \
paths.h \
poll.h \
pty.h \
readpassphrase.h \
rpc/types.h \
security/pam_appl.h \
sha2.h \
shadow.h \
stddef.h \
stdint.h \
string.h \
strings.h \
sys/audit.h \
sys/bitypes.h \
sys/bsdtty.h \
sys/cdefs.h \
sys/dir.h \
sys/mman.h \
sys/ndir.h \
sys/poll.h \
sys/prctl.h \
sys/pstat.h \
sys/select.h \
sys/stat.h \
sys/stream.h \
sys/stropts.h \
sys/strtio.h \
sys/sysmacros.h \
sys/time.h \
sys/timers.h \
sys/un.h \
time.h \
tmpdir.h \
ttyent.h \
ucred.h \
unistd.h \
usersec.h \
util.h \
utime.h \
utmp.h \
utmpx.h \
vis.h \
)
# lastlog.h requires sys/time.h to be included first on Solaris
AC_CHECK_HEADERS(lastlog.h, [], [], [
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
])
# sys/ptms.h requires sys/stream.h to be included first on Solaris
AC_CHECK_HEADERS(sys/ptms.h, [], [], [
#ifdef HAVE_SYS_STREAM_H
# include <sys/stream.h>
#endif
])
# login_cap.h requires sys/types.h on NetBSD
AC_CHECK_HEADERS(login_cap.h, [], [], [
#include <sys/types.h>
])
LDFLAGS_SHARED="-shared"
# Messages for features tested for in target-specific section
SIA_MSG="no"
SPC_MSG="no"
# Check for some target-specific stuff
case "$host" in
*-*-aix*)
# Some versions of VAC won't allow macro redefinitions at
# -qlanglevel=ansi, and autoconf 2.60 sometimes insists on using that
# particularly with older versions of vac or xlc.
# It also throws errors about null macro argments, but these are
# not fatal.
AC_MSG_CHECKING(if compiler allows macro redefinitions)
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE([[
#define testmacro foo
#define testmacro bar
int main(void) { exit(0); }
]])],
[ AC_MSG_RESULT(yes) ],
[ AC_MSG_RESULT(no)
CC="`echo $CC | sed 's/-qlanglvl\=ansi//g'`"
LD="`echo $LD | sed 's/-qlanglvl\=ansi//g'`"
CFLAGS="`echo $CFLAGS | sed 's/-qlanglvl\=ansi//g'`"
CPPFLAGS="`echo $CPPFLAGS | sed 's/-qlanglvl\=ansi//g'`"
]
)
AC_MSG_CHECKING([how to specify blibpath for linker ($LD)])
if (test -z "$blibpath"); then
blibpath="/usr/lib:/lib"
fi
saved_LDFLAGS="$LDFLAGS"
if test "$GCC" = "yes"; then
flags="-Wl,-blibpath: -Wl,-rpath, -blibpath:"
else
flags="-blibpath: -Wl,-blibpath: -Wl,-rpath,"
fi
for tryflags in $flags ;do
if (test -z "$blibflags"); then
LDFLAGS="$saved_LDFLAGS $tryflags$blibpath"
AC_TRY_LINK([], [], [blibflags=$tryflags])
fi
done
if (test -z "$blibflags"); then
AC_MSG_RESULT(not found)
AC_MSG_ERROR([*** must be able to specify blibpath on AIX - check config.log])
else
AC_MSG_RESULT($blibflags)
fi
LDFLAGS="$saved_LDFLAGS"
dnl Check for authenticate. Might be in libs.a on older AIXes
AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE, 1,
[Define if you want to enable AIX4's authenticate function])],
[AC_CHECK_LIB(s,authenticate,
[ AC_DEFINE(WITH_AIXAUTHENTICATE)
LIBS="$LIBS -ls"
])
])
dnl Check for various auth function declarations in headers.
AC_CHECK_DECLS([authenticate, loginrestrictions, loginsuccess,
passwdexpired, setauthdb], , , [#include <usersec.h>])
dnl Check if loginfailed is declared and takes 4 arguments (AIX >= 5.2)
AC_CHECK_DECLS(loginfailed,
[AC_MSG_CHECKING(if loginfailed takes 4 arguments)
AC_TRY_COMPILE(
[#include <usersec.h>],
[(void)loginfailed("user","host","tty",0);],
[AC_MSG_RESULT(yes)
AC_DEFINE(AIX_LOGINFAILED_4ARG, 1,
[Define if your AIX loginfailed() function
takes 4 arguments (AIX >= 5.2)])],
[AC_MSG_RESULT(no)]
)],
[],
[#include <usersec.h>]
)
AC_CHECK_FUNCS(getgrset setauthdb)
AC_CHECK_DECL(F_CLOSEM,
AC_DEFINE(HAVE_FCNTL_CLOSEM, 1, [Use F_CLOSEM fcntl for closefrom]),
[],
[ #include <limits.h>
#include <fcntl.h> ]
)
check_for_aix_broken_getaddrinfo=1
AC_DEFINE(BROKEN_REALPATH, 1, [Define if you have a broken realpath.])
AC_DEFINE(SETEUID_BREAKS_SETUID, 1,
[Define if your platform breaks doing a seteuid before a setuid])
AC_DEFINE(BROKEN_SETREUID, 1, [Define if your setreuid() is broken])
AC_DEFINE(BROKEN_SETREGID, 1, [Define if your setregid() is broken])
dnl AIX handles lastlog as part of its login message
AC_DEFINE(DISABLE_LASTLOG, 1, [Define if you don't want to use lastlog])
AC_DEFINE(LOGIN_NEEDS_UTMPX, 1,
[Some systems need a utmpx entry for /bin/login to work])
AC_DEFINE(SPT_TYPE,SPT_REUSEARGV,
[Define to a Set Process Title type if your system is
supported by bsd-setproctitle.c])
AC_DEFINE(SSHPAM_CHAUTHTOK_NEEDS_RUID, 1,
[AIX 5.2 and 5.3 (and presumably newer) require this])
AC_DEFINE(PTY_ZEROREAD, 1, [read(1) can return 0 for a non-closed fd])
;;
*-*-cygwin*)
check_for_libcrypt_later=1
LIBS="$LIBS /usr/lib/textreadmode.o"
AC_DEFINE(HAVE_CYGWIN, 1, [Define if you are on Cygwin])
AC_DEFINE(USE_PIPES, 1, [Use PIPES instead of a socketpair()])
AC_DEFINE(DISABLE_SHADOW, 1,
[Define if you want to disable shadow passwords])
AC_DEFINE(IP_TOS_IS_BROKEN, 1,
[Define if your system choked on IP TOS setting])
AC_DEFINE(NO_X11_UNIX_SOCKETS, 1,
[Define if X11 doesn't support AF_UNIX sockets on that system])
AC_DEFINE(NO_IPPORT_RESERVED_CONCEPT, 1,
[Define if the concept of ports only accessible to
superusers isn't known])
AC_DEFINE(DISABLE_FD_PASSING, 1,
[Define if your platform needs to skip post auth
file descriptor passing])
;;
*-*-dgux*)
AC_DEFINE(IP_TOS_IS_BROKEN)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
;;
*-*-darwin*)
AC_DEFINE(HAVE_BUNDLE, [], [ Define on a.out platforms which use bundles in lieu of loadable shared objects ] )
AC_MSG_CHECKING(if we have working getaddrinfo)
AC_TRY_RUN([#include <mach-o/dyld.h>
main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
exit(0);
else
exit(1);
}], [AC_MSG_RESULT(working)],
[AC_MSG_RESULT(buggy)
AC_DEFINE(BROKEN_GETADDRINFO, 1, [getaddrinfo is broken (if present)])],
[AC_MSG_RESULT(assume it is working)])
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
AC_DEFINE(BROKEN_GLOB, 1, [OS X glob does not do what we expect])
AC_DEFINE_UNQUOTED(BIND_8_COMPAT, 1,
[Define if your resolver libs need this for getrrsetbyname])
AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
AC_DEFINE(SSH_TUN_COMPAT_AF, 1,
[Use tunnel device compatibility to OpenBSD])
AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
[Prepend the address family to IP tunnel traffic])
m4_pattern_allow(AU_IPv)
AC_CHECK_DECL(AU_IPv4, [],
AC_DEFINE(AU_IPv4, 0, [System only supports IPv4 audit records])
[#include <bsm/audit.h>]
)
LDFLAGS_SHARED="-bundle -fno-common -undefined error"
CFLAGS="$CFLAGS -fno-common"
;;
*-*-dragonfly*)
LIBS="$LIBS -lcrypt"
;;
*-*-hpux*)
# first we define all of the options common to all HP-UX releases
CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
IPADDR_IN_DISPLAY=yes
AC_DEFINE(USE_PIPES)
AC_DEFINE(LOGIN_NO_ENDOPT, 1,
[Define if your login program cannot handle end of options ("--")])
AC_DEFINE(LOGIN_NEEDS_UTMPX)
AC_DEFINE(LOCKED_PASSWD_STRING, "*",
[String used in /etc/passwd to denote locked account])
AC_DEFINE(SPT_TYPE,SPT_PSTAT)
MAIL="/var/mail/username"
LIBS="$LIBS -lsec"
AC_CHECK_LIB(xnet, t_error, ,
AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
# next, we define all of the options specific to major releases
case "$host" in
*-*-hpux10*)
if test -z "$GCC"; then
CFLAGS="$CFLAGS -Ae"
fi
;;
*-*-hpux11*)
AC_DEFINE(PAM_SUN_CODEBASE, 1,
[Define if you are using Solaris-derived PAM which
passes pam_messages to the conversation function
with an extra level of indirection])
AC_DEFINE(DISABLE_UTMP, 1,
[Define if you don't want to use utmp])
AC_DEFINE(USE_BTMP, 1, [Use btmp to log bad logins])
check_for_hpux_broken_getaddrinfo=1
check_for_conflicting_getspnam=1
;;
esac
# lastly, we define options specific to minor releases
case "$host" in
*-*-hpux10.26)
AC_DEFINE(HAVE_SECUREWARE, 1,
[Define if you have SecureWare-based
protected password database])
disable_ptmx_check=yes
LIBS="$LIBS -lsecpw"
;;
esac
;;
*-*-irix5*)
PATH="$PATH:/usr/etc"
AC_DEFINE(BROKEN_INET_NTOA, 1,
[Define if you system's inet_ntoa is busted
(e.g. Irix gcc issue)])
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
AC_DEFINE(WITH_ABBREV_NO_TTY, 1,
[Define if you shouldn't strip 'tty' from your
ttyname in [uw]tmp])
AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
;;
*-*-irix6*)
PATH="$PATH:/usr/etc"
AC_DEFINE(WITH_IRIX_ARRAY, 1,
[Define if you have/want arrays
(cluster-wide session managment, not C arrays)])
AC_DEFINE(WITH_IRIX_PROJECT, 1,
[Define if you want IRIX project management])
AC_DEFINE(WITH_IRIX_AUDIT, 1,
[Define if you want IRIX audit trails])
AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS, 1,
[Define if you want IRIX kernel jobs])])
AC_DEFINE(BROKEN_INET_NTOA)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
AC_DEFINE(BROKEN_UPDWTMPX, 1, [updwtmpx is broken (if present)])
AC_DEFINE(WITH_ABBREV_NO_TTY)
AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
;;
*-*-linux*)
no_dev_ptmx=1
check_for_libcrypt_later=1
check_for_openpty_ctty_bug=1
AC_DEFINE(DONT_TRY_OTHER_AF, 1, [Workaround more Linux IPv6 quirks])
AC_DEFINE(PAM_TTY_KLUDGE, 1,
[Work around problematic Linux PAM modules handling of PAM_TTY])
AC_DEFINE(LOCKED_PASSWD_PREFIX, "!",
[String used in /etc/passwd to denote locked account])
AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)
AC_DEFINE(LINK_OPNOTSUPP_ERRNO, EPERM,
[Define to whatever link() returns for "not supported"
if it doesn't return EOPNOTSUPP.])
AC_DEFINE(_PATH_BTMP, "/var/log/btmp", [log for bad login attempts])
AC_DEFINE(USE_BTMP)
inet6_default_4in6=yes
case `uname -r` in
1.*|2.0.*)
AC_DEFINE(BROKEN_CMSG_TYPE, 1,
[Define if cmsg_type is not passed correctly])
;;
esac
# tun(4) forwarding compat code
AC_CHECK_HEADERS(linux/if_tun.h)
if test "x$ac_cv_header_linux_if_tun_h" = "xyes" ; then
AC_DEFINE(SSH_TUN_LINUX, 1,
[Open tunnel devices the Linux tun/tap way])
AC_DEFINE(SSH_TUN_COMPAT_AF, 1,
[Use tunnel device compatibility to OpenBSD])
AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
[Prepend the address family to IP tunnel traffic])
fi
;;
mips-sony-bsd|mips-sony-newsos4)
AC_DEFINE(NEED_SETPGRP, 1, [Need setpgrp to acquire controlling tty])
SONY=1
;;
*-*-netbsd*)
check_for_libcrypt_before=1
if test "x$withval" != "xno" ; then
need_dash_r=1
fi
AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
AC_CHECK_HEADER([net/if_tap.h], ,
AC_DEFINE(SSH_TUN_NO_L2, 1, [No layer 2 tunnel support]))
AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
[Prepend the address family to IP tunnel traffic])
;;
*-*-freebsd*)
check_for_libcrypt_later=1
AC_DEFINE(LOCKED_PASSWD_PREFIX, "*LOCKED*", [Account locked with pw(1)])
AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
AC_CHECK_HEADER([net/if_tap.h], ,
AC_DEFINE(SSH_TUN_NO_L2, 1, [No layer 2 tunnel support]))
AC_DEFINE(BROKEN_GLOB, 1, [FreeBSD glob does not do what we need])
;;
*-*-bsdi*)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
;;
*-next-*)
conf_lastlog_location="/usr/adm/lastlog"
conf_utmp_location=/etc/utmp
conf_wtmp_location=/usr/adm/wtmp
MAIL=/usr/spool/mail
AC_DEFINE(HAVE_NEXT, 1, [Define if you are on NeXT])
AC_DEFINE(BROKEN_REALPATH)
AC_DEFINE(USE_PIPES)
AC_DEFINE(BROKEN_SAVED_UIDS, 1, [Needed for NeXT])
;;
*-*-openbsd*)
AC_DEFINE(HAVE_ATTRIBUTE__SENTINEL__, 1, [OpenBSD's gcc has sentinel])
AC_DEFINE(HAVE_ATTRIBUTE__BOUNDED__, 1, [OpenBSD's gcc has bounded])
AC_DEFINE(SSH_TUN_OPENBSD, 1, [Open tunnel devices the OpenBSD way])
AC_DEFINE(SYSLOG_R_SAFE_IN_SIGHAND, 1,
[syslog_r function is safe to use in in a signal handler])
;;
*-*-solaris*)
if test "x$withval" != "xno" ; then
need_dash_r=1
fi
AC_DEFINE(PAM_SUN_CODEBASE)
AC_DEFINE(LOGIN_NEEDS_UTMPX)
AC_DEFINE(LOGIN_NEEDS_TERM, 1,
[Some versions of /bin/login need the TERM supplied
on the commandline])
AC_DEFINE(PAM_TTY_KLUDGE)
AC_DEFINE(SSHPAM_CHAUTHTOK_NEEDS_RUID, 1,
[Define if pam_chauthtok wants real uid set
to the unpriv'ed user])
AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
# Pushing STREAMS modules will cause sshd to acquire a controlling tty.
AC_DEFINE(SSHD_ACQUIRES_CTTY, 1,
[Define if sshd somehow reacquires a controlling TTY
after setsid()])
AC_DEFINE(PASSWD_NEEDS_USERNAME, 1, [must supply username to passwd
in case the name is longer than 8 chars])
external_path_file=/etc/default/login
# hardwire lastlog location (can't detect it on some versions)
conf_lastlog_location="/var/adm/lastlog"
AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
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, 1,
[Define if you don't want to use wtmp])
else
AC_MSG_RESULT(no)
fi
;;
*-*-sunos4*)
CPPFLAGS="$CPPFLAGS -DSUNOS4"
AC_CHECK_FUNCS(getpwanam)
AC_DEFINE(PAM_SUN_CODEBASE)
conf_utmp_location=/etc/utmp
conf_wtmp_location=/var/adm/wtmp
conf_lastlog_location=/var/adm/lastlog
AC_DEFINE(USE_PIPES)
;;
*-ncr-sysv*)
LIBS="$LIBS -lc89"
AC_DEFINE(USE_PIPES)
AC_DEFINE(SSHD_ACQUIRES_CTTY)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
;;
*-sni-sysv*)
# /usr/ucblib MUST NOT be searched on ReliantUNIX
AC_CHECK_LIB(dl, dlsym, ,)
# -lresolv needs to be at the end of LIBS or DNS lookups break
AC_CHECK_LIB(resolv, res_query, [ LIBS="$LIBS -lresolv" ])
IPADDR_IN_DISPLAY=yes
AC_DEFINE(USE_PIPES)
AC_DEFINE(IP_TOS_IS_BROKEN)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
AC_DEFINE(SSHD_ACQUIRES_CTTY)
external_path_file=/etc/default/login
# /usr/ucblib/libucb.a no longer needed on ReliantUNIX
# Attention: always take care to bind libsocket and libnsl before libc,
# otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
;;
# UnixWare 1.x, UnixWare 2.x, and others based on code from Univel.
*-*-sysv4.2*)
AC_DEFINE(USE_PIPES)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
AC_DEFINE(PASSWD_NEEDS_USERNAME, 1, [must supply username to passwd])
AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
;;
# UnixWare 7.x, OpenUNIX 8
*-*-sysv5*)
check_for_libcrypt_later=1
AC_DEFINE(UNIXWARE_LONG_PASSWORDS, 1, [Support passwords > 8 chars])
AC_DEFINE(USE_PIPES)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
AC_DEFINE(PASSWD_NEEDS_USERNAME)
case "$host" in
*-*-sysv5SCO_SV*) # SCO OpenServer 6.x
TEST_SHELL=/u95/bin/sh
AC_DEFINE(BROKEN_LIBIAF, 1,
[ia_uinfo routines not supported by OS yet])
AC_DEFINE(BROKEN_UPDWTMPX)
;;
*) AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
;;
esac
;;
*-*-sysv*)
;;
# SCO UNIX and OEM versions of SCO UNIX
*-*-sco3.2v4*)
AC_MSG_ERROR("This Platform is no longer supported.")
;;
# SCO OpenServer 5.x
*-*-sco3.2v5*)
if test -z "$GCC"; then
CFLAGS="$CFLAGS -belf"
fi
LIBS="$LIBS -lprot -lx -ltinfo -lm"
no_dev_ptmx=1
AC_DEFINE(USE_PIPES)
AC_DEFINE(HAVE_SECUREWARE)
AC_DEFINE(DISABLE_SHADOW)
AC_DEFINE(DISABLE_FD_PASSING)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
AC_DEFINE(WITH_ABBREV_NO_TTY)
AC_DEFINE(BROKEN_UPDWTMPX)
AC_DEFINE(PASSWD_NEEDS_USERNAME)
AC_CHECK_FUNCS(getluid setluid)
MANTYPE=man
TEST_SHELL=ksh
;;
*-*-unicosmk*)
AC_DEFINE(NO_SSH_LASTLOG, 1,
[Define if you don't want to use lastlog in session.c])
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
AC_DEFINE(USE_PIPES)
AC_DEFINE(DISABLE_FD_PASSING)
LDFLAGS="$LDFLAGS"
LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
MANTYPE=cat
;;
*-*-unicosmp*)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
AC_DEFINE(WITH_ABBREV_NO_TTY)
AC_DEFINE(USE_PIPES)
AC_DEFINE(DISABLE_FD_PASSING)
LDFLAGS="$LDFLAGS"
LIBS="$LIBS -lgen -lacid -ldb"
MANTYPE=cat
;;
*-*-unicos*)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
AC_DEFINE(USE_PIPES)
AC_DEFINE(DISABLE_FD_PASSING)
AC_DEFINE(NO_SSH_LASTLOG)
LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal"
LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
MANTYPE=cat
;;
*-dec-osf*)
AC_MSG_CHECKING(for Digital Unix SIA)
no_osfsia=""
AC_ARG_WITH(osfsia,
[ --with-osfsia Enable Digital Unix SIA],
[
if test "x$withval" = "xno" ; then
AC_MSG_RESULT(disabled)
no_osfsia=1
fi
],
)
if test -z "$no_osfsia" ; then
if test -f /etc/sia/matrix.conf; then
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_OSF_SIA, 1,
[Define if you have Digital Unix Security
Integration Architecture])
AC_DEFINE(DISABLE_LOGIN, 1,
[Define if you don't want to use your
system's login() call])
AC_DEFINE(DISABLE_FD_PASSING)
LIBS="$LIBS -lsecurity -ldb -lm -laud"
SIA_MSG="yes"
else
AC_MSG_RESULT(no)
AC_DEFINE(LOCKED_PASSWD_SUBSTR, "Nologin",
[String used in /etc/passwd to denote locked account])
fi
fi
AC_DEFINE(BROKEN_GETADDRINFO)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
;;
*-*-nto-qnx*)
AC_DEFINE(USE_PIPES)
AC_DEFINE(NO_X11_UNIX_SOCKETS)
AC_DEFINE(MISSING_NFDBITS, 1, [Define on *nto-qnx systems])
AC_DEFINE(MISSING_HOWMANY, 1, [Define on *nto-qnx systems])
AC_DEFINE(MISSING_FD_MASK, 1, [Define on *nto-qnx systems])
AC_DEFINE(DISABLE_LASTLOG)
AC_DEFINE(SSHD_ACQUIRES_CTTY)
AC_DEFINE(BROKEN_SHADOW_EXPIRE, 1, [QNX shadow support is broken])
enable_etc_default_login=no # has incompatible /etc/default/login
case "$host" in
*-*-nto-qnx6*)
AC_DEFINE(DISABLE_FD_PASSING)
;;
esac
;;
*-*-ultrix*)
AC_DEFINE(BROKEN_GETGROUPS, 1, [getgroups(0,NULL) will return -1])
AC_DEFINE(BROKEN_MMAP, 1, [Ultrix mmap can't map files])
AC_DEFINE(NEED_SETPGRP)
AC_DEFINE(HAVE_SYS_SYSLOG_H, 1, [Force use of sys/syslog.h on Ultrix])
;;
*-*-lynxos)
CFLAGS="$CFLAGS -D__NO_INCLUDE_WARN__"
AC_DEFINE(MISSING_HOWMANY)
AC_DEFINE(BROKEN_SETVBUF, 1, [LynxOS has broken setvbuf() implementation])
;;
esac
AC_SUBST(LDFLAGS_SHARED)
AC_MSG_CHECKING(compiler and flags for sanity)
AC_RUN_IFELSE(
[AC_LANG_SOURCE([
#include <stdio.h>
int main(){exit(0);}
])],
[ AC_MSG_RESULT(yes) ],
[
AC_MSG_RESULT(no)
AC_MSG_ERROR([*** compiler cannot create working executables, check config.log ***])
],
[ AC_MSG_WARN([cross compiling: not checking compiler sanity]) ]
)
dnl Checks for header files.
# Checks for libraries.
#AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
dnl IRIX and Solaris 2.5.1 have dirname() in libgen
AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
AC_CHECK_LIB(gen, dirname,[
AC_CACHE_CHECK([for broken dirname],
ac_cv_have_broken_dirname, [
save_LIBS="$LIBS"
LIBS="$LIBS -lgen"
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <libgen.h>
#include <string.h>
int main(int argc, char **argv) {
char *s, buf[32];
strncpy(buf,"/etc", 32);
s = dirname(buf);
if (!s || strncmp(s, "/", 32) != 0) {
exit(1);
} else {
exit(0);
}
}
]])],
[ ac_cv_have_broken_dirname="no" ],
[ ac_cv_have_broken_dirname="yes" ],
[ ac_cv_have_broken_dirname="no" ],
)
LIBS="$save_LIBS"
])
if test "x$ac_cv_have_broken_dirname" = "xno" ; then
LIBS="$LIBS -lgen"
AC_DEFINE(HAVE_DIRNAME)
AC_CHECK_HEADERS(libgen.h)
fi
])
])
AC_CHECK_FUNC(getspnam, ,
AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
AC_SEARCH_LIBS(basename, gen, AC_DEFINE(HAVE_BASENAME, 1,
[Define if you have the basename function.]))
if test "x$withval" != "xno" ; then
if test "x$ac_cv_header_security_pam_appl_h" != "xyes" && \
test "x$ac_cv_header_pam_pam_appl_h" != "xyes" ; then
AC_MSG_ERROR([PAM headers not found])
fi
saved_LIBS="$LIBS"
AC_CHECK_LIB(dl, dlopen, , )
AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
AC_CHECK_FUNCS(pam_getenvlist)
AC_CHECK_FUNCS(pam_putenv)
AC_CHECK_FUNCS(pam_get_item)
LIBS="$saved_LIBS"
PAM_MSG="yes"
LIBS="$LIBS -lpam"
# if test $ac_cv_lib_dl_dlopen = yes; then
# case "$LIBS" in
# *-ldl*)
# # libdl already in LIBS
# ;;
# *)
# LIBS="$LIBS -ldl"
# ;;
# esac
# fi
fi
dnl zlib is required