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 sys/time.h)
  59
  60 dnl Checks for library functions.
  61 AC_CHECK_FUNCS(openpty strlcpy strlcat 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 Checks for data types
  74 AC_CHECK_SIZEOF(short int, 2)
  75 AC_CHECK_SIZEOF(int, 4)
  76 AC_CHECK_SIZEOF(long int, 4)
  77 AC_CHECK_SIZEOF(long long int, 8)
  78
  79 dnl More checks for data types
  80 AC_MSG_CHECKING([For quad_t])
  81 AC_TRY_COMPILE(
  82         [#include <sys/types.h>],
  83         [quad_t a; a = 1235;],
  84         [
  85                 AC_DEFINE(HAVE_QUAD_T)
  86                 AC_MSG_RESULT(yes)
  87         ],
  88         [AC_MSG_RESULT(no)]
  89 )
  90
  91 AC_MSG_CHECKING([For intXX_t types])
  92 AC_TRY_COMPILE(
  93         [#include <sys/types.h>],
  94         [int16_t a; int32_t b; a = 1235; b = 1235;],
  95         [
  96                 AC_DEFINE(HAVE_INTXX_T)
  97                 AC_MSG_RESULT(yes)
  98         ],
  99         [AC_MSG_RESULT(no)]
 100 )
 101
 102 AC_MSG_CHECKING([For u_intXX_t types])
 103 AC_TRY_COMPILE(
 104         [#include <sys/types.h>],
 105         [u_int16_t c; u_int32_t d; c = 1235; d = 1235;],
 106         [
 107                 AC_DEFINE(HAVE_U_INTXX_T)
 108                 AC_MSG_RESULT(yes)
 109         ],
 110         [AC_MSG_RESULT(no)]
 111 )
 112
 113 AC_MSG_CHECKING([For uintXX_t types])
 114 AC_TRY_COMPILE(
 115         [#include <sys/types.h>],
 116         [uint16_t c; uint32_t d; c = 1235; d = 1235;],
 117         [
 118                 AC_DEFINE(HAVE_UINTXX_T)
 119                 AC_MSG_RESULT(yes)
 120         ],
 121         [AC_MSG_RESULT(no)]
 122 )
 123
 124 dnl Check whether use wants to disable the external ssh-askpass
 125 INSTALL_ASKPASS="yes"
 126 AC_MSG_CHECKING([whether to enable external ssh-askpass support])
 127 AC_ARG_WITH(askpass,
 128         [  --with-askpass=yes/no   Enable external ssh-askpass support (default=yes)],
 129         [
 130                 if test x$withval = xno ; then
 131                         INSTALL_ASKPASS="no"
 132                 else
 133                         INSTALL_ASKPASS="yes"
 134                 fi
 135         ]
 136 )
 137 if test "x$INSTALL_ASKPASS" = "xyes" ; then
 138         AC_DEFINE(USE_EXTERNAL_ASKPASS)
 139         AC_SUBST(INSTALL_ASKPASS)
 140         AC_MSG_RESULT(yes)
 141 else
 142         AC_MSG_RESULT(no)
 143 fi
 144
 145 if test "x$INSTALL_ASKPASS" = "xyes" ; then
 146         AC_MSG_CHECKING([whether to build GNOME ssh-askpass])
 147         dnl Check whether user wants GNOME ssh-askpass
 148         AC_ARG_WITH(gnome-askpass,
 149                 [  --with-gnome-askpass    Build the GNOME passphrase requester (default=no)],
 150                 [
 151                         if test x$withval = xno ; then
 152                                 GNOME_ASKPASS="";
 153                         else
 154                                 GNOME_ASKPASS="gnome-ssh-askpass";
 155                         fi
 156                 ])
 157         AC_SUBST(GNOME_ASKPASS)
 158
 159         if test -z "$GNOME_ASKPASS" ; then
 160                 AC_MSG_RESULT(no)
 161         else
 162                 AC_MSG_RESULT(yes)
 163         fi
 164 fi
 165
 166 dnl Check for user-specified random device
 167 AC_ARG_WITH(random,
 168         [  --with-random=FILE      read randomness from FILE (default=/dev/urandom)],
 169         [
 170                 RANDOM_POOL="$withval";
 171                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 172         ],
 173         [
 174                 dnl Check for random device
 175                 AC_CHECK_FILE("/dev/urandom",
 176                         [
 177                                 RANDOM_POOL="/dev/urandom";
 178                                 AC_SUBST(RANDOM_POOL)
 179                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 180                         ]
 181                 )
 182         ]
 183 )
 184
 185 dnl Check for EGD pool file
 186 AC_ARG_WITH(egd-pool,
 187         [  --with-egd-pool=FILE    read randomness from EGD pool FILE (default none)],
 188         [
 189                 RANDOM_POOL="$withval";
 190                 AC_DEFINE(HAVE_EGD)
 191                 AC_SUBST(RANDOM_POOL)
 192                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
 193         ]
 194 )
 195
 196 dnl Make sure we have random number support
 197 if test -z "$RANDOM_POOL" -a -z "$EGD_POOL"; then
 198         AC_MSG_ERROR([No random device found, and no EGD random pool specified])
 199 fi
 200
 201 dnl Check for ut_host field in utmp
 202 AC_MSG_CHECKING([whether utmp.h has ut_host field])
 203 AC_EGREP_HEADER(ut_host, utmp.h,
 204         [AC_DEFINE(HAVE_HOST_IN_UTMP) AC_MSG_RESULT(yes); ],
 205         [AC_MSG_RESULT(no)]
 206 )
 207
 208 dnl Look for lastlog location
 209 AC_MSG_CHECKING([location of lastlog file])
 210 for lastlog in /var/log/lastlog /var/adm/lastlog /etc/security/lastlog ; do
 211         if test -f $lastlog ; then
 212                 gotlastlog="file"
 213                 break
 214         fi
 215         if test -d $lastlog ; then
 216                 gotlastlog="dir"
 217                 break
 218         fi
 219 done
 220 if test -z "$gotlastlog" ; then
 221         AC_MSG_ERROR([*** Cannot find lastlog ***])
 222 else
 223         if test "x$gotlastlog" = "xdir" ; then
 224                 AC_DEFINE(LASTLOG_IS_DIR)
 225                 AC_MSG_ERROR([*** Directory-based lastlogs are not yet supported ***])
 226         fi
 227         AC_MSG_RESULT($lastlog)
 228         AC_DEFINE_UNQUOTED(LASTLOG_LOCATION, "$lastlog")
 229 fi
 230
 231 AC_MSG_CHECKING([whether libc defines __progname])
 232 AC_TRY_LINK([],
 233         [extern char *__progname; printf("%s", __progname);],
 234         [
 235                 AC_DEFINE(HAVE___PROGNAME)
 236                 AC_MSG_RESULT(yes)
 237         ],
 238         [
 239                 AC_MSG_RESULT(no)
 240         ]
 241 )
 242
 243 dnl Check whether user wants Kerberos support
 244 AC_ARG_WITH(kerberos4,
 245         [  --with-kerberos4        Enable Kerberos 4 support],
 246         [
 247                 AC_DEFINE(KRB4)
 248                 LIBS="$LIBS -lkrb"
 249                 CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
 250         ]
 251 )
 252
 253 dnl Check whether user wants AFS support
 254 AC_ARG_WITH(afs,
 255         [  --with-afs              Enable AFS support],
 256         [
 257                 AC_DEFINE(AFS)
 258                 LIBS="$LIBS -lkafs"
 259         ]
 260 )
 261
 262 dnl Check whether user wants S/Key support
 263 AC_ARG_WITH(skey,
 264         [  --with-skey             Enable S/Key support],
 265         [
 266                 AC_DEFINE(SKEY)
 267                 LIBS="$LIBS -lskey"
 268         ]
 269 )
 270
 271 dnl Check whether user wants TCP wrappers support
 272 AC_ARG_WITH(skey,
 273         [  --with-tcp-wrappers     Enable tcpwrappers support],
 274         [
 275                 AC_DEFINE(LIBWRAP)
 276                 LIBS="$LIBS -lwrap"
 277         ]
 278 )
 279
 280 dnl Check whether to enable MD5 passwords
 281 AC_ARG_WITH(md5passwords,
 282         [  --with-md5-passwords    Enable use of MD5 passwords],
 283         [AC_DEFINE(HAVE_MD5_PASSWORDS)]
 284 )
 285
 286 AC_OUTPUT(Makefile)