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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_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(pty.h endian.h paths.h lastlog.h)
dnl Checks for library functions.
AC_PROG_GCC_TRADITIONAL
AC_CHECK_FUNCS(openpty strlcpy mkdtemp arc4random setproctitle)
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 Check whether user wants GNOME ssh-askpass
AC_ARG_WITH(gnome-askpass,
[ --with-gnome-askpass Build and use the GNOME passphrase requester],
[GNOME_ASKPASS="gnome-ssh-askpass"])
AC_SUBST(GNOME_ASKPASS)
dnl Check for user-specified random device
AC_ARG_WITH(random,
[ --with-random=FILE read randomness from FILE (default /dev/urandom)],
[
RANDOM_POOL="$withval";
AC_DEFINE(RANDOM_POOL, "$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, "$RANDOM_POOL")
]
)
]
)
dnl Check for EGD pool file
AC_ARG_WITH(egd-pool,
[ --with-egd-pool=FILE read randomness from EGD pool FILE],
[
RANDOM_POOL="$withval";
AC_DEFINE(HAVE_EGD)
AC_SUBST(RANDOM_POOL)
AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
]
)
if test -z "$RANDOM_POOL" -a -z "$EGD_POOL"; then
AC_MSG_ERROR([No random device found, and no EGD random pool specified])
fi
AC_OUTPUT(Makefile)
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