chiark - git - mdw - tripe/blob - configure.ac

   1 dnl -*-autoconf-*-
   2 dnl
   3 dnl Configuration script for TrIPE
   4 dnl
   5 dnl (c) 2001 Straylight/Edgeware
   6 dnl
   7
   8 dnl----- Licensing notice ---------------------------------------------------
   9 dnl
  10 dnl This file is part of Trivial IP Encryption (TrIPE).
  11 dnl
  12 dnl TrIPE is free software; you can redistribute it and/or modify
  13 dnl it under the terms of the GNU General Public License as published by
  14 dnl the Free Software Foundation; either version 2 of the License, or
  15 dnl (at your option) any later version.
  16 dnl
  17 dnl TrIPE is distributed in the hope that it will be useful,
  18 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 dnl GNU General Public License for more details.
  21 dnl
  22 dnl You should have received a copy of the GNU General Public License
  23 dnl along with TrIPE; if not, write to the Free Software Foundation,
  24 dnl Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  25
  26 dnl--------------------------------------------------------------------------
  27 dnl Initialization.
  28
  29 mdw_AUTO_VERSION
  30 AC_INIT([tripe], AUTO_VERSION, [mdw@distorted.org.uk])
  31 AC_CONFIG_SRCDIR([server/tripe.h])
  32 AC_CONFIG_AUX_DIR([config])
  33 AM_INIT_AUTOMAKE([foreign])
  34 mdw_SILENT_RULES
  35
  36 AC_PROG_CC
  37 AM_PROG_CC_C_O
  38 AX_CFLAGS_WARN_ALL
  39 AX_TYPE_SOCKLEN_T
  40 AC_CANONICAL_HOST
  41 AM_PROG_LIBTOOL
  42
  43 AC_CHECK_PROGS([AUTOM4TE], [autom4te])
  44
  45 mdw_ORIG_CFLAGS=$CFLAGS
  46 mdw_ORIG_CPPFLAGS=$CPPFLAGS
  47 AC_SUBST(AM_CFLAGS)
  48 AC_SUBST(AM_CPPFLAGS)
  49
  50 dnl--------------------------------------------------------------------------
  51 dnl C programming environment.
  52
  53 AC_CHECK_HEADERS([stdarg.h])
  54
  55 AC_SEARCH_LIBS([socket], [socket])
  56
  57 case "$host_os" in
  58   linux)
  59     AC_ARG_WITH([linux-includes],
  60                 AS_HELP_STRING(
  61                   [--with-linux-includes=DIR],
  62                   [Linux kernel includes]),
  63                 [AM_CPPFLAGS="AM_CPPFLAGS -I$withval"], [:])
  64     ;;
  65 esac
  66
  67 PKG_CHECK_MODULES([mLib], [mLib >= 2.2.1])
  68 PKG_CHECK_MODULES([catacomb], [catacomb >= 2.1.4])
  69
  70 AM_CFLAGS="$AM_CFLAGS $mLib_CFLAGS $catacomb_CFLAGS"
  71
  72 dnl--------------------------------------------------------------------------
  73 dnl Directories to install things into.
  74
  75 dnl TRIPE_DEFINE_PATH(VAR, ARG, HELP, DEFAULT, [DEFINE, DEFINEHELP])
  76 AC_DEFUN([TRIPE_DEFINE_PATH], [
  77   AC_ARG_WITH([$1], AS_HELP_STRING([--with-$1=$2], [$3]),
  78               [$1=$withval], [$1=$4])
  79   AC_SUBST([$1])
  80   m4_if([$5], [], [], [
  81     mdw_DEFINE_PATHS([mdw_DEFINE_PATH([$5], [$][$1], [$6])])
  82   ])
  83 ])
  84
  85 dnl Actual options.
  86 TRIPE_DEFINE_PATH(
  87   [configdir], [DIR], [keys and other configuration [[LOCALSTATE/tripe]]],
  88   ['${localstatedir}/tripe'],
  89   [CONFIGDIR], [Look for keys and other configuration here.])
  90
  91 TRIPE_DEFINE_PATH(
  92   [socketdir], [DIR], [admin socket [[.]]], [.],
  93   [SOCKETDIR], [Create or look for administration socket here.])
  94
  95 TRIPE_DEFINE_PATH(
  96   [pidfile], [FILE], [process-id [[./tripectl.pid]]], [tripectl.pid])
  97
  98 TRIPE_DEFINE_PATH(
  99   [initconfig], [FILE],
 100   [configuration for init script [[SYSCONFDIR/tripe.conf]]],
 101   ['${sysconfdir}/tripe.conf'])
 102
 103 TRIPE_DEFINE_PATH(
 104   [logfile], [FILE], [logging output [[./tripe.log]]], [tripe.log])
 105
 106 dnl--------------------------------------------------------------------------
 107 dnl Privilege-separation helper.
 108
 109 mdw_DEFINE_PATHS([
 110   AC_DEFINE_UNQUOTED([PRIVSEP_HELPER],
 111     ["mdw_PATH([$libexecdir])/mdw_PROG([tripe-privhelper])"],
 112     [Pathname of privilege-separation helper.])
 113 ])
 114
 115 dnl--------------------------------------------------------------------------
 116 dnl Other options.
 117
 118 AC_ARG_WITH([tracing],
 119             AS_HELP_STRING(
 120               [--without-tracing],
 121               [compile out tracing support (not recommended)]),
 122             [test "$withval" = no &&
 123               AC_DEFINE([NTRACE], [1], [Disable all tracing.])],
 124             [:])
 125
 126 dnl--------------------------------------------------------------------------
 127 dnl Tunnel devices.
 128
 129 dnl Provide the user with a choice.
 130 AC_ARG_WITH([tunnel],
 131             AS_HELP_STRING(
 132               [--with-tunnel=KIND],
 133               [kinds of tunnel device to use (linux, unet, bsd, slip)]),
 134             [tun=$withval], [tun=auto])
 135
 136 dnl If he doesn't choose, pick something sensible.
 137 if test "$tun" = auto; then
 138   AC_CACHE_CHECK([tunnel drivers to use], [mdw_cv_tunnel], [
 139     mdw_cv_tunnel=""
 140     case $host_os in
 141       linux*)
 142         case `uname -r` in
 143           [2.[4-9].*] | [2.[1-9][0-9]*.*] | [[3-9].*] | [[1-9][0-9]*.*])
 144             mdw_cv_tunnel=linux
 145             ;;
 146           *)
 147             mdw_cv_tunnel=unet
 148             ;;
 149         esac
 150         ;;
 151       *bsd*)
 152         mdw_cv_tunnel=bsd
 153         ;;
 154     esac
 155     mdw_cv_tunnel=$mdw_cv_tunnel${mdw_cv_tunnel:+ }slip
 156   ])
 157   tun=$mdw_cv_tunnel
 158 fi
 159
 160 tunnels=""
 161 for i in $tun; do
 162   case $i in
 163     linux) AC_DEFINE([TUN_LINUX], [1],
 164                      [Install the Linux TUN/TAP driver.]) ;;
 165     bsd) AC_DEFINE([TUN_BSD], [1],
 166                    [Install the BSD tunnel driver.]) ;;
 167     unet) AC_DEFINE([TUN_UNET], [1],
 168                     [Install the obsolete Linux Usernet driver.]) ;;
 169     slip) ;;
 170     *) AC_MSG_ERROR([Unknown tunnel type]) ;;
 171   esac
 172   tunnels="$tunnels&tun_$i, "
 173 done
 174 AC_DEFINE_UNQUOTED([TUN_LIST], [$tunnels 0],
 175   [List of tunnel drivers to install.])
 176
 177 dnl--------------------------------------------------------------------------
 178 dnl Python.
 179
 180 dnl Find out whether Python exists at all.
 181 AM_PATH_PYTHON([2.4], [python=yes], [python=no])
 182 AM_CONDITIONAL([HAVE_PYTHON], [test $python = yes])
 183
 184 dnl Find out whether we can use the various external modules.
 185 if test $python = yes; then
 186   AC_PYTHON_MODULE([pygtk])
 187   AC_PYTHON_MODULE([cdb])
 188   AC_PYTHON_MODULE([mLib])
 189   AC_PYTHON_MODULE([catacomb])
 190 fi
 191 AM_CONDITIONAL([HAVE_PYGTK], [test ${HAVE_PYMOD_PYGTK-no} = yes])
 192 AM_CONDITIONAL([HAVE_PYCDB], [test ${HAVE_PYMOD_CDB-no} = yes])
 193 AM_CONDITIONAL([HAVE_PYMLIB], [test ${HAVE_PYMOD_MLIB-no} = yes])
 194 AM_CONDITIONAL([HAVE_PYCATACOMB], [test ${HAVE_PYMOD_CATACOMB-no} = yes])
 195
 196 dnl--------------------------------------------------------------------------
 197 dnl Wireshark.
 198 dnl
 199 dnl This is all distressingly ugly and complicated.  Why they can't just
 200 dnl provide a pkg-config dropping containing all the useful information about
 201 dnl the installation I don't know.
 202
 203 WIRESHARK_CFLAGS=""
 204 : ${wireshark_plugindir=unknown}
 205
 206 dnl Get the user to help.
 207 AC_ARG_WITH([wireshark],
 208             AS_HELP_STRING(
 209               [--with-wireshark[=DIR]],
 210               [build and install Wireshark plugin]),
 211             [case "$withval" in
 212                no)  haveshark=no needshark=no ;;
 213                yes) haveshark=yes needshark=yes ;;
 214                *)   haveshark=yes needshark=yes
 215                     wireshark_plugindir=$withval ;;
 216             esac],
 217             [haveshark=yes needshark=no])
 218
 219 dnl Try to find the Wireshark installation directory the hard way.  This is
 220 dnl remarkably annoying.  This is, unfortunately, very likely to guess wrong,
 221 dnl but there doesn't seem to be a better way.
 222 case "$haveshark,$wireshark_plugindir" in
 223   yes,unknown)
 224     AC_CACHE_CHECK([where to put Wireshark plugins],
 225       [mdw_cv_wireshark_plugin_dir], [
 226       mdw_cv_wireshark_plugin_dir=$(
 227         for i in \
 228           $libexecdir $libdir $exec_prefix/lib $prefix/lib \
 229           /usr/local/lib /usr/lib
 230         do
 231           for j in \
 232             wireshark/plugins/* wireshark/*/plugins \
 233             */wireshark/plugins/* */wireshark/*/plugins
 234           do
 235             for k in $i/$j/*.so; do
 236               if test -f "$k"; then
 237                 echo $(AS_DIRNAME(["$k"]))
 238                 exit
 239               fi
 240             done
 241           done
 242         done
 243         echo "failed"
 244       )
 245     ])
 246     case $mdw_cv_wireshark_plugin_dir in
 247       failed) haveshark=no ;;
 248       *) wireshark_plugindir=$mdw_cv_wireshark_plugin_dir ;;
 249     esac
 250 esac
 251
 252 dnl If we're still interested, find Glib.
 253 case "$haveshark" in
 254   yes) AM_PATH_GLIB_2_0([2.4.0], [], [haveshark=false], [gmodule]) ;;
 255 esac
 256
 257 dnl Find the include directory.  This would be much easier if they just
 258 dnl provided a pkg-config file.
 259 case "$haveshark" in
 260   yes)
 261     bad=yes
 262     mdw_CFLAGS=$CFLAGS
 263     wsprefix=`echo $wireshark_plugindir | sed 's:/lib/.*$::'`
 264     AC_CACHE_CHECK([how to find the Wireshark headers],
 265                    [mdw_cv_wireshark_includes], [
 266       mdw_cv_wireshark_includes=failed
 267       for i in \
 268           "" \
 269           "-I${wsprefix}/include/wireshark" \
 270           "-I${wsprefix}/include" \
 271           "-I${prefix}/include/wireshark" \
 272           "-I${prefix}/include" \
 273           "-I/usr/include/wireshark" \
 274           "-I/usr/local/include/wireshark" \
 275           "-I/usr/local/include"; do
 276         CFLAGS="$GLIB_CFLAGS $i"
 277         AC_TRY_COMPILE([
 278 #include <netinet/in.h>
 279 #include <glib.h>
 280 #include <wireshark/config.h>
 281 #include <wireshark/epan/packet.h>],
 282         [dissector_handle_t dh; dh = create_dissector_handle(0, 0);],
 283         [bad=no; break])
 284       done
 285       case "$bad" in
 286         no) mdw_cv_wireshark_includes=$i ;;
 287       esac
 288       CFLAGS=$mdw_CFLAGS
 289     ])
 290     case "$mdw_cv_wireshark_includes" in
 291       failed) haveshark=no ;;
 292     esac
 293 esac
 294
 295 case "$haveshark,$needshark" in
 296   no,yes)
 297     AC_MSG_ERROR([failed to configure Wireshark plugin])
 298     ;;
 299   yes,*)
 300     WIRESHARK_CFLAGS="$GLIB_CFLAGS $mdw_cv_wireshark_includes"
 301     AC_SUBST(WIRESHARK_CFLAGS)
 302     AC_SUBST(wireshark_plugindir)
 303     ;;
 304 esac
 305
 306 AM_CONDITIONAL([HAVE_WIRESHARK], [test "$haveshark" = yes])
 307
 308 dnl--------------------------------------------------------------------------
 309 dnl Produce output.
 310
 311 CFLAGS=$mdw_ORIG_CFLAGS
 312 CPPFLAGS=$mdw_ORIG_CPPFLAGS
 313
 314 AC_CONFIG_HEADER([config/config.h])
 315 AC_CONFIG_TESTDIR([t])
 316
 317 AC_CONFIG_FILES(
 318   [Makefile]
 319   [common/Makefile]
 320   [uslip/Makefile]
 321   [pathmtu/Makefile]
 322   [client/Makefile]
 323   [priv/Makefile]
 324   [server/Makefile]
 325   [proxy/Makefile]
 326   [pkstream/Makefile]
 327   [wireshark/Makefile]
 328   [init/Makefile]
 329   [py/Makefile]
 330   [peerdb/Makefile]
 331   [keys/Makefile]
 332   [svc/Makefile]
 333   [mon/Makefile]
 334   [contrib/Makefile]
 335   [t/Makefile t/atlocal])
 336 AC_OUTPUT
 337
 338 dnl----- That's all, folks --------------------------------------------------