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 dnl Check whether use wants to disable the external ssh-askpass
  64 INSTALL_ASKPASS="yes"
  65 AC_MSG_CHECKING([whether to enable external ssh-askpass support])
  66 AC_ARG_WITH(askpass,
  67         [  --with-askpass=yes/no   Enable external ssh-askpass support (default=no)],
  68         [
  69                 if test x$withval = xno ; then
  70                         INSTALL_ASKPASS="no"
  71                 else
  72                         INSTALL_ASKPASS="yes"
  73                 fi
  74         ]
  75 )
  76 if test "x$INSTALL_ASKPASS" = "xyes" ; then
  77         AC_DEFINE(USE_EXTERNAL_ASKPASS)
  78         AC_SUBST(INSTALL_ASKPASS)
  79         AC_MSG_RESULT(yes)
  80 else
  81         AC_MSG_RESULT(no)
  82 fi
  83
  84 if test "x$INSTALL_ASKPASS" = "xyes" ; then
  85         AC_MSG_CHECKING([whether to build GNOME ssh-askpass])
  86         dnl Check whether user wants GNOME ssh-askpass
  87         AC_ARG_WITH(gnome-askpass,
  88                 [  --with-gnome-askpass    Build the GNOME passphrase requester (default=no)],
  89                 [
  90                         if test x$withval = xno ; then
  91                                 GNOME_ASKPASS="";
  92                         else
  93                                 GNOME_ASKPASS="gnome-ssh-askpass";
  94                         fi
  95                 ])
  96         AC_SUBST(GNOME_ASKPASS)
  97
  98         if test -z "$GNOME_ASKPASS" ; then
  99                 AC_MSG_RESULT(no)
 100         else
 101                 AC_MSG_RESULT(yes)
 102         fi
 103 fi
 104
 105 dnl Check for user-specified random device
 106 AC_ARG_WITH(random,
 107         [  --with-random=FILE      read randomness from FILE (default=/dev/urandom)],
 108         [
 109                 RANDOM_POOL="$withval";
 110                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 111         ],
 112         [
 113                 dnl Check for random device
 114                 AC_CHECK_FILE("/dev/urandom",
 115                         [
 116                                 RANDOM_POOL="/dev/urandom";
 117                                 AC_SUBST(RANDOM_POOL)
 118                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 119                         ]
 120                 )
 121         ]
 122 )
 123
 124 dnl Check for EGD pool file
 125 AC_ARG_WITH(egd-pool,
 126         [  --with-egd-pool=FILE    read randomness from EGD pool FILE (default none)],
 127         [
 128                 RANDOM_POOL="$withval";
 129                 AC_DEFINE(HAVE_EGD)
 130                 AC_SUBST(RANDOM_POOL)
 131                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 132         ]
 133 )
 134
 135 dnl Make sure we have random number support
 136 if test -z "$RANDOM_POOL" -a -z "$EGD_POOL"; then
 137         AC_MSG_ERROR([No random device found, and no EGD random pool specified])
 138 fi
 139
 140 dnl Check for ut_host field in utmp
 141 AC_MSG_CHECKING([whether utmp.h has ut_host field])
 142 AC_EGREP_HEADER(ut_host, utmp.h,
 143         [AC_DEFINE(HAVE_HOST_IN_UTMP) AC_MSG_RESULT(yes); ],
 144         [AC_MSG_RESULT(no)]
 145 )
 146
 147 dnl Look for lastlog location
 148 AC_MSG_CHECKING([location of lastlog file])
 149 for lastlog in /var/log/lastlog /var/adm/lastlog /etc/security/lastlog ; do
 150         if test -f $lastlog ; then
 151                 AC_MSG_RESULT($lastlog)
 152                 AC_DEFINE_UNQUOTED(LASTLOG_LOCATION, "$lastlog")
 153                 break
 154         fi
 155 done
 156
 157 AC_MSG_CHECKING([whether libc defines __progname])
 158 AC_TRY_LINK([],
 159         [extern char *__progname;],
 160         [
 161                 AC_DEFINE(HAVE___PROGNAME)
 162                 AC_MSG_RESULT(yes)
 163         ],
 164         [
 165                 AC_MSG_RESULT(no)
 166         ]
 167 )
 168
 169 AC_OUTPUT(Makefile)