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AC_INIT(ssh.c)
AC_CONFIG_HEADER(config.h)
dnl Checks for programs.
AC_PROG_CC
AC_PROG_CPP
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_CHECK_PROG(AR, ar, ar)
if test "$GCC" = "yes"; then CFLAGS="$CFLAGS -Wall"; fi
dnl Check for OpenSSL/SSLeay directories.
AC_MSG_CHECKING([for OpenSSL/SSLeay directory])
for ssldir in /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local $prefix /usr/pkg ; do
if test -f "$ssldir/include/openssl/crypto.h"; then
AC_DEFINE(HAVE_OPENSSL)
GOT_SSL="yes"
break
fi
if test -f "$ssldir/include/ssl/crypto.h"; then
AC_DEFINE(HAVE_SSL)
GOT_SSL="yes"
break
fi
done
if test -z "$GOT_SSL" ; then
AC_MSG_ERROR([Could not find SSLeay / OpenSSL libraries, please install])
fi
AC_SUBST(ssldir)
AC_DEFINE_UNQUOTED(ssldir, "$ssldir")
if test "$ssldir" != "/usr"; then
CFLAGS="$CFLAGS -I$ssldir/include"
LIBS="$LIBS -L$ssldir/lib"
fi
LIBS="$LIBS -lssl -lcrypto"
AC_MSG_RESULT($ssldir)
dnl Check for RSAref library.
AC_MSG_CHECKING([for RSAref library])
saved_LIBS="$LIBS"
LIBS="$saved_LIBS -lRSAglue -lrsaref"
AC_TRY_LINK([], [],
[AC_MSG_RESULT(yes); ],
[AC_MSG_RESULT(no)]; LIBS="$saved_LIBS")
dnl Checks for libraries.
AC_CHECK_LIB(crypto, CRYPTO_lock, ,AC_MSG_ERROR([*** libcrypto missing - please install first ***]))
AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first ***]))
AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
AC_CHECK_LIB(nsl, yp_match, , )
AC_CHECK_LIB(socket, main, , )
dnl libdl is needed by PAM on Redhat systems
AC_CHECK_LIB(dl, dlopen, , )
AC_CHECK_LIB(pam, pam_authenticate, , )
dnl Checks for header files.
AC_CHECK_HEADERS(endian.h lastlog.h login.h maillock.h netgroup.h paths.h pty.h shadow.h util.h utmp.h sys/select.h sys/time.h)
dnl Checks for library functions.
AC_CHECK_FUNCS(arc4random mkdtemp openpty setenv setlogin setproctitle snprintf strlcat strlcpy vsnprintf)
AC_CHECK_FUNC(login,
[AC_DEFINE(HAVE_LOGIN)],
[AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
)
AC_CHECK_FUNC(daemon,
[AC_DEFINE(HAVE_DAEMON)],
[AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
)
dnl Checks for data types
AC_CHECK_SIZEOF(short int, 2)
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(long int, 4)
AC_CHECK_SIZEOF(long long int, 8)
dnl More checks for data types
AC_MSG_CHECKING([for quad_t])
AC_TRY_COMPILE(
[#include <sys/types.h>],
[quad_t a; a = 1235;],
[
AC_DEFINE(HAVE_QUAD_T)
AC_MSG_RESULT(yes)
],
[AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING([for intXX_t types])
AC_TRY_COMPILE(
[#include <sys/types.h>],
[int16_t a; int32_t b; a = 1235; b = 1235;],
[
AC_DEFINE(HAVE_INTXX_T)
AC_MSG_RESULT(yes)
],
[AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING([for u_intXX_t types])
AC_TRY_COMPILE(
[#include <sys/types.h>],
[u_int16_t c; u_int32_t d; c = 1235; d = 1235;],
[
AC_DEFINE(HAVE_U_INTXX_T)
AC_MSG_RESULT(yes)
],
[AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING([For uintXX_t types])
AC_TRY_COMPILE(
[#include <sys/types.h>],
[uint16_t c; uint32_t d; c = 1235; d = 1235;],
[
AC_DEFINE(HAVE_UINTXX_T)
AC_MSG_RESULT(yes)
],
[AC_MSG_RESULT(no)]
)
dnl Check PAM strerror arguments
AC_MSG_CHECKING([whether pam_strerror takes only one argument])
AC_TRY_COMPILE(
[
#include <stdlib.h>
#include <security/pam_appl.h>
],
[(void)pam_strerror((pam_handle_t *)NULL, -1);],
[AC_MSG_RESULT(no)],
[
AC_DEFINE(HAVE_OLD_PAM)
AC_MSG_RESULT(yes)
]
)
AC_MSG_CHECKING([whether to build GNOME ssh-askpass])
dnl Check whether user wants GNOME ssh-askpass
AC_ARG_WITH(gnome-askpass,
[ --with-gnome-askpass Build the GNOME passphrase requester (default=no)],
[
if test x$withval = xno ; then
GNOME_ASKPASS="";
else
GNOME_ASKPASS="gnome-ssh-askpass";
fi
])
AC_SUBST(GNOME_ASKPASS)
if test -z "$GNOME_ASKPASS" ; then
AC_MSG_RESULT(no)
else
AC_MSG_RESULT(yes)
fi
dnl Check for user-specified random device
AC_ARG_WITH(random,
[ --with-random=FILE read randomness from FILE (default=/dev/urandom)],
[
RANDOM_POOL="$withval";
AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
],
[
dnl Check for random device
AC_CHECK_FILE("/dev/urandom",
[
RANDOM_POOL="/dev/urandom";
AC_SUBST(RANDOM_POOL)
AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
]
)
]
)
dnl Check for EGD pool file
AC_ARG_WITH(egd-pool,
[ --with-egd-pool=FILE read randomness from EGD pool FILE (default none)],
[
RANDOM_POOL="$withval";
AC_DEFINE(HAVE_EGD)
AC_SUBST(RANDOM_POOL)
AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
]
)
dnl Make sure we have random number support
if test -z "$RANDOM_POOL" -a -z "$EGD_POOL"; then
AC_MSG_ERROR([No random device found, and no EGD random pool specified])
fi
dnl Check for ut_host field in utmp
AC_MSG_CHECKING([whether utmp.h has ut_host field])
AC_EGREP_HEADER(ut_host, utmp.h,
[AC_DEFINE(HAVE_HOST_IN_UTMP) AC_MSG_RESULT(yes); ],
[AC_MSG_RESULT(no)]
)
dnl Look for lastlog location
AC_MSG_CHECKING([location of lastlog file])
for lastlog in /var/log/lastlog /var/adm/lastlog /etc/security/lastlog ; do
if test -f $lastlog ; then
gotlastlog="file"
break
fi
if test -d $lastlog ; then
gotlastlog="dir"
break
fi
done
if test -z "$gotlastlog" ; then
AC_MSG_ERROR([*** Cannot find lastlog ***])
else
if test "x$gotlastlog" = "xdir" ; then
AC_DEFINE(LASTLOG_IS_DIR)
AC_MSG_ERROR([*** Directory-based lastlogs are not yet supported ***])
fi
AC_MSG_RESULT($lastlog)
AC_DEFINE_UNQUOTED(LASTLOG_LOCATION, "$lastlog")
fi
AC_MSG_CHECKING([whether libc defines __progname])
AC_TRY_LINK([],
[extern char *__progname; printf("%s", __progname);],
[
AC_DEFINE(HAVE___PROGNAME)
AC_MSG_RESULT(yes)
],
[
AC_MSG_RESULT(no)
]
)
dnl Check whether user wants Kerberos support
AC_ARG_WITH(kerberos4,
[ --with-kerberos4 Enable Kerberos 4 support],
[
AC_DEFINE(KRB4)
LIBS="$LIBS -lkrb"
CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
]
)
dnl Check whether user wants AFS support
AC_ARG_WITH(afs,
[ --with-afs Enable AFS support],
[
AC_DEFINE(AFS)
LIBS="$LIBS -lkafs"
]
)
dnl Check whether user wants S/Key support
AC_ARG_WITH(skey,
[ --with-skey Enable S/Key support],
[
AC_DEFINE(SKEY)
LIBS="$LIBS -lskey"
]
)
dnl Check whether user wants TCP wrappers support
AC_ARG_WITH(tcp-wrappers,
[ --with-tcp-wrappers Enable tcpwrappers support],
[
AC_DEFINE(LIBWRAP)
LIBS="$LIBS -lwrap"
]
)
dnl Check whether to enable MD5 passwords
AC_ARG_WITH(md5-passwords,
[ --with-md5-passwords Enable use of MD5 passwords],
[AC_DEFINE(HAVE_MD5_PASSWORDS)]
)
AC_OUTPUT(Makefile)
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