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         break
  18     fi
  19     if test -f "$ssldir/include/ssl/crypto.h"; then
  20         AC_DEFINE(HAVE_SSL)
  21         break
  22     fi
  23 done
  24 AC_MSG_RESULT($ssldir)
  25 AC_SUBST(ssldir)
  26 AC_DEFINE_UNQUOTED(ssldir, "$ssldir")
  27 if test "$ssldir" != "/usr"; then
  28         CFLAGS="$CFLAGS -I$ssldir/include"
  29         LIBS="$LIBS -L$ssldir/lib"
  30 fi
  31 LIBS="$LIBS -lssl -lcrypto"
  32
  33 dnl Check for RSAref library.
  34 AC_MSG_CHECKING([for RSAref library])
  35 saved_LIBS="$LIBS"
  36 LIBS="$saved_LIBS -lRSAglue -lrsaref"
  37 AC_TRY_LINK([], [],
  38 [AC_MSG_RESULT(yes); ],
  39 [AC_MSG_RESULT(no)]; LIBS="$saved_LIBS")
  40
  41 dnl Checks for libraries.
  42 AC_CHECK_LIB(crypto, CRYPTO_lock, ,AC_MSG_ERROR([*** libcrypto missing - please install first ***]))
  43 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first ***]))
  44 AC_CHECK_LIB(util, login, AC_DEFINE(HAVE_LIBUTIL_LOGIN) LIBS="$LIBS -lutil")
  45 AC_CHECK_LIB(nsl, yp_match, , )
  46 AC_CHECK_LIB(socket, main, , )
  47
  48 dnl libdl is needed by PAM on Redhat systems
  49 AC_CHECK_LIB(dl, dlopen, , )
  50 AC_CHECK_LIB(pam, pam_authenticate, , )
  51
  52 dnl Checks for header files.
  53 AC_CHECK_HEADERS(pty.h endian.h paths.h lastlog.h)
  54
  55 dnl Checks for library functions.
  56 AC_PROG_GCC_TRADITIONAL
  57 AC_CHECK_FUNCS(openpty strlcpy mkdtemp arc4random setproctitle)
  58
  59 dnl Check for ut_host field in utmp
  60 AC_MSG_CHECKING([whether utmp.h has ut_host field])
  61 AC_EGREP_HEADER(ut_host, utmp.h,
  62         [AC_DEFINE(HAVE_HOST_IN_UTMP) AC_MSG_RESULT(yes); ],
  63         [AC_MSG_RESULT(no)]
  64 )
  65
  66 dnl Check whether user wants GNOME ssh-askpass
  67 AC_ARG_WITH(gnome-askpass,
  68         [  --with-gnome-askpass    Build and use the GNOME passphrase requester],
  69         [GNOME_ASKPASS="gnome-ssh-askpass"])
  70 AC_SUBST(GNOME_ASKPASS)
  71
  72 dnl Check for user-specified random device
  73 AC_ARG_WITH(random,
  74         [  --with-random=FILE      read randomness from FILE (default /dev/urandom)],
  75         [
  76                 RANDOM_POOL="$withval";
  77                 AC_DEFINE(RANDOM_POOL, "$RANDOM_POOL")
  78         ],
  79         [
  80                 dnl Check for random device
  81                 AC_CHECK_FILE("/dev/urandom",
  82                         [
  83                                 RANDOM_POOL="/dev/urandom";
  84                                 AC_DEFINE(RANDOM_POOL, "$RANDOM_POOL")
  85                         ]
  86                 )
  87         ]
  88 )
  89
  90 dnl Check for EGD pool file
  91 AC_ARG_WITH(egd-pool,
  92         [  --with-egd-pool=FILE    read randomness from EGD pool FILE],
  93         [
  94                 RANDOM_POOL="$withval";
  95                 AC_DEFINE(HAVE_EGD)
  96                 AC_DEFINE(RANDOM_POOL, "$RANDOM_POOL")
  97         ]
  98 )
  99
 100 if test -z "$RANDOM_POOL" -a -z "$EGD_POOL"; then
 101         AC_MSG_ERROR([No random device found, and no EGD random pool specified])
 102 fi
 103
 104 AC_OUTPUT(Makefile)