configure.in

   1 AC_INIT(ssh.c)
   2
   3 AC_CONFIG_HEADER(config.h)
   4
   5 dnl Checks for programs.
   6 AC_PROG_CC
   7 AC_PROG_CPP
   8 AC_PROG_RANLIB
   9 AC_CHECK_PROG(AR, ar, ar)
  10 if test "$GCC" = "yes"; then CFLAGS="$CFLAGS -Wall"; fi
  11
  12 dnl Check for OpenSSL/SSLeay directories.
  13 AC_MSG_CHECKING([for OpenSSL/SSLeay directory])
  14 for ssldir in /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local $prefix /usr/pkg ; do
  15         if test -f "$ssldir/include/openssl/crypto.h"; then
  16                 AC_DEFINE(HAVE_OPENSSL)
  17                 GOT_SSL="yes"
  18                 break
  19         fi
  20         if test -f "$ssldir/include/ssl/crypto.h"; then
  21                 AC_DEFINE(HAVE_SSL)
  22                 GOT_SSL="yes"
  23                 break
  24         fi
  25 done
  26 if test -z "$GOT_SSL" ; then
  27         AC_MSG_ERROR([Could not find SSLeay / OpenSSL libraries, please install])
  28 fi
  29 AC_SUBST(ssldir)
  30 AC_DEFINE_UNQUOTED(ssldir, "$ssldir")
  31 if test "$ssldir" != "/usr"; then
  32         CFLAGS="$CFLAGS -I$ssldir/include"
  33         LIBS="$LIBS -L$ssldir/lib"
  34 fi
  35 LIBS="$LIBS -lssl -lcrypto"
  36 AC_MSG_RESULT($ssldir)
  37
  38 dnl Check for RSAref library.
  39 AC_MSG_CHECKING([for RSAref library])
  40 saved_LIBS="$LIBS"
  41 LIBS="$saved_LIBS -lRSAglue -lrsaref"
  42 AC_TRY_LINK([], [],
  43 [AC_MSG_RESULT(yes); ],
  44 [AC_MSG_RESULT(no)]; LIBS="$saved_LIBS")
  45
  46 dnl Checks for libraries.
  47 AC_CHECK_LIB(crypto, CRYPTO_lock, ,AC_MSG_ERROR([*** libcrypto missing - please install first ***]))
  48 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first ***]))
  49 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
  50 AC_CHECK_LIB(nsl, yp_match, , )
  51 AC_CHECK_LIB(socket, main, , )
  52
  53 dnl libdl is needed by PAM on Redhat systems
  54 AC_CHECK_LIB(dl, dlopen, , )
  55 AC_CHECK_LIB(pam, pam_authenticate, , )
  56
  57 dnl Checks for header files.
  58 AC_CHECK_HEADERS(pty.h endian.h paths.h lastlog.h shadow.h netgroup.h maillock.h sys/select.h)
  59
  60 dnl Checks for library functions.
  61 AC_CHECK_FUNCS(openpty strlcpy mkdtemp arc4random setproctitle setlogin)
  62
  63 AC_CHECK_FUNC(login,
  64         [AC_DEFINE(HAVE_LOGIN)],
  65         [AC_CHECK_LIB(bsd, login, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_LOGIN)])]
  66 )
  67
  68 AC_CHECK_FUNC(daemon,
  69         [AC_DEFINE(HAVE_DAEMON)],
  70         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
  71 )
  72
  73 dnl Check whether use wants to disable the external ssh-askpass
  74 INSTALL_ASKPASS="yes"
  75 AC_MSG_CHECKING([whether to enable external ssh-askpass support])
  76 AC_ARG_WITH(askpass,
  77         [  --with-askpass=yes/no   Enable external ssh-askpass support (default=yes)],
  78         [
  79                 if test x$withval = xno ; then
  80                         INSTALL_ASKPASS="no"
  81                 else
  82                         INSTALL_ASKPASS="yes"
  83                 fi
  84         ]
  85 )
  86 if test "x$INSTALL_ASKPASS" = "xyes" ; then
  87         AC_DEFINE(USE_EXTERNAL_ASKPASS)
  88         AC_SUBST(INSTALL_ASKPASS)
  89         AC_MSG_RESULT(yes)
  90 else
  91         AC_MSG_RESULT(no)
  92 fi
  93
  94 if test "x$INSTALL_ASKPASS" = "xyes" ; then
  95         AC_MSG_CHECKING([whether to build GNOME ssh-askpass])
  96         dnl Check whether user wants GNOME ssh-askpass
  97         AC_ARG_WITH(gnome-askpass,
  98                 [  --with-gnome-askpass    Build the GNOME passphrase requester (default=no)],
  99                 [
 100                         if test x$withval = xno ; then
 101                                 GNOME_ASKPASS="";
 102                         else
 103                                 GNOME_ASKPASS="gnome-ssh-askpass";
 104                         fi
 105                 ])
 106         AC_SUBST(GNOME_ASKPASS)
 107
 108         if test -z "$GNOME_ASKPASS" ; then
 109                 AC_MSG_RESULT(no)
 110         else
 111                 AC_MSG_RESULT(yes)
 112         fi
 113 fi
 114
 115 dnl Check for user-specified random device
 116 AC_ARG_WITH(random,
 117         [  --with-random=FILE      read randomness from FILE (default=/dev/urandom)],
 118         [
 119                 RANDOM_POOL="$withval";
 120                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 121         ],
 122         [
 123                 dnl Check for random device
 124                 AC_CHECK_FILE("/dev/urandom",
 125                         [
 126                                 RANDOM_POOL="/dev/urandom";
 127                                 AC_SUBST(RANDOM_POOL)
 128                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 129                         ]
 130                 )
 131         ]
 132 )
 133
 134 dnl Check for EGD pool file
 135 AC_ARG_WITH(egd-pool,
 136         [  --with-egd-pool=FILE    read randomness from EGD pool FILE (default none)],
 137         [
 138                 RANDOM_POOL="$withval";
 139                 AC_DEFINE(HAVE_EGD)
 140                 AC_SUBST(RANDOM_POOL)
 141                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 142         ]
 143 )
 144
 145 dnl Make sure we have random number support
 146 if test -z "$RANDOM_POOL" -a -z "$EGD_POOL"; then
 147         AC_MSG_ERROR([No random device found, and no EGD random pool specified])
 148 fi
 149
 150 dnl Check for ut_host field in utmp
 151 AC_MSG_CHECKING([whether utmp.h has ut_host field])
 152 AC_EGREP_HEADER(ut_host, utmp.h,
 153         [AC_DEFINE(HAVE_HOST_IN_UTMP) AC_MSG_RESULT(yes); ],
 154         [AC_MSG_RESULT(no)]
 155 )
 156
 157 dnl Look for lastlog location
 158 AC_MSG_CHECKING([location of lastlog file])
 159 for lastlog in /var/log/lastlog /var/adm/lastlog /etc/security/lastlog ; do
 160         if test -f $lastlog ; then
 161                 AC_MSG_RESULT($lastlog)
 162                 AC_DEFINE_UNQUOTED(LASTLOG_LOCATION, "$lastlog")
 163                 break
 164         fi
 165 done
 166
 167 AC_MSG_CHECKING([whether libc defines __progname])
 168 AC_TRY_LINK([],
 169         [extern char *__progname; printf("%s", __progname);],
 170         [
 171                 AC_DEFINE(HAVE___PROGNAME)
 172                 AC_MSG_RESULT(yes)
 173         ],
 174         [
 175                 AC_MSG_RESULT(no)
 176         ]
 177 )
 178
 179 dnl Check whether user wants Kerberos support
 180 AC_ARG_WITH(kerberos4,
 181         [  --with-kerberos4        Enable Kerberos 4 support],
 182         [
 183                 AC_DEFINE(KRB4)
 184                 LIBS="$LIBS -lkrb"
 185                 CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
 186         ]
 187 )
 188
 189 dnl Check whether user wants AFS support
 190 AC_ARG_WITH(kerberos4,
 191         [  --with-afs              Enable AFS support],
 192         [
 193                 AC_DEFINE(AFS)
 194                 LIBS="$LIBS -lkafs"
 195         ]
 196 )
 197
 198 dnl Check whether user wants S/Key support
 199 AC_ARG_WITH(skey,
 200         [  --with-skey             Enable S/Key support],
 201         [
 202                 AC_DEFINE(SKEY)
 203                 LIBS="$LIBS -lskey"
 204         ]
 205 )
 206
 207 dnl Check whether user wants TCP wrappers support
 208 AC_ARG_WITH(skey,
 209         [  --with-tcp-wrappers     Enable tcpwrappers support],
 210         [
 211                 AC_DEFINE(LIBWRAP)
 212                 LIBS="$LIBS -lwrap"
 213         ]
 214 )
 215
 216 dnl Check whether to enable MD5 passwords
 217 AC_ARG_WITH(md5passwords,
 218         [  --with-md5-passwords    Enable use of MD5 passwords],
 219         [AC_DEFINE(HAVE_MD5_PASSWORDS)]
 220 )
 221
 222 AC_OUTPUT(Makefile)