configure.ac

   1 dnl ** This is a configure script template for BIRD
   2 dnl ** Process it with autoconf to get ./configure
   3 dnl ** (c) 1999--2000 Martin Mares <mj@ucw.cz>
   4
   5 AC_INIT
   6 AC_CONFIG_SRCDIR([conf/confbase.Y])
   7 AC_CONFIG_AUX_DIR([tools])
   8
   9 AC_ARG_ENABLE([client],
  10   [AS_HELP_STRING([--enable-client], [enable building of BIRD client @<:@yes@:>@])],
  11   [],
  12   [enable_client=yes]
  13 )
  14
  15 AC_ARG_ENABLE([debug],
  16   [AS_HELP_STRING([--enable-debug], [enable internal debugging routines @<:@no@:>@])],
  17   [],
  18   [enable_debug=no]
  19 )
  20
  21 AC_ARG_ENABLE([memcheck],
  22   [AS_HELP_STRING([--enable-memcheck], [check memory allocations when debugging @<:@yes@:>@])],
  23   [],
  24   [enable_memcheck=yes]
  25 )
  26
  27 AC_ARG_ENABLE([pthreads],
  28   [AS_HELP_STRING([--enable-pthreads], [enable POSIX threads support @<:@try@:>@])],
  29   [],
  30   [enable_pthreads=try]
  31 )
  32
  33 AC_ARG_ENABLE([libssh],
  34   [AS_HELP_STRING([--enable-libssh], [enable LibSSH support together with RPKI @<:@try@:>@])],
  35   [],
  36   [enable_libssh=try]
  37 )
  38
  39 AC_ARG_WITH([protocols],
  40   [AS_HELP_STRING([--with-protocols=LIST], [include specified routing protocols @<:@all@:>@])],
  41   [],
  42   [with_protocols="all"]
  43 )
  44
  45 AC_ARG_WITH([sysconfig],
  46   [AS_HELP_STRING([--with-sysconfig=FILE], [use specified BIRD system configuration file])],
  47   []
  48 )
  49
  50 AC_ARG_WITH([runtimedir],
  51   [AS_HELP_STRING([--with-runtimedir=PATH], [path for runtime files @<:@LOCALSTATEDIR/run@:>@])],
  52   [runtimedir="$with_runtimedir"],
  53   [runtimedir="\$(localstatedir)/run"]
  54 )
  55
  56 AC_ARG_WITH([iproutedir],
  57   [AS_HELP_STRING([--with-iproutedir=PATH], [path to iproute2 config files @<:@/etc/iproute2@:>@])],
  58   [given_iproutedir="yes"]
  59 )
  60
  61 AC_ARG_VAR([FLEX], [location of the Flex program])
  62 AC_ARG_VAR([BISON], [location of the Bison program])
  63 AC_ARG_VAR([M4], [location of the M4 program])
  64
  65
  66 if test "$srcdir" = . ; then
  67   # Building in current directory => create obj directory holding all objects
  68   objdir=obj
  69 else
  70   # Building in separate directory
  71   objdir=.
  72 fi
  73
  74 exedir=.
  75
  76 AC_SUBST([objdir])
  77 AC_SUBST([exedir])
  78 AC_SUBST([srcdir])
  79 AC_SUBST([runtimedir])
  80
  81
  82 if test "$enable_debug" = yes ; then
  83   CONFIG_FILE="bird.conf"
  84   CONTROL_SOCKET="bird.ctl"
  85 else
  86   CONFIG_FILE="\$(sysconfdir)/bird.conf"
  87   CONTROL_SOCKET="$runtimedir/bird.ctl"
  88 fi
  89 AC_SUBST([CONFIG_FILE])
  90 AC_SUBST([CONTROL_SOCKET])
  91
  92 AC_SEARCH_LIBS([clock_gettime], [rt posix4],
  93   [],
  94   [AC_MSG_ERROR([Function clock_gettime not available.])]
  95 )
  96
  97 AC_CANONICAL_HOST
  98
  99 # Store this value because ac_test_CFLAGS is overwritten by AC_PROG_CC
 100 if test "$ac_test_CFLAGS" != set ; then
 101   bird_cflags_default=yes
 102 fi
 103
 104 AC_PROG_CC
 105 AC_PROG_CC_C99
 106 if test -z "$GCC" ; then
 107   AC_MSG_ERROR([This program requires the GNU C Compiler.])
 108 fi
 109
 110 if test "$enable_pthreads" != no ; then
 111   BIRD_CHECK_PTHREADS
 112
 113   if test "$bird_cv_lib_pthreads" = yes ; then
 114     AC_DEFINE([USE_PTHREADS], [1], [Define to 1 if pthreads are enabled])
 115     CFLAGS="$CFLAGS -pthread"
 116     LDFLAGS="$LDFLAGS -pthread"
 117     proto_bfd=bfd
 118   elif test "$enable_pthreads" = yes ; then
 119     AC_MSG_ERROR([POSIX threads not available.])
 120   fi
 121
 122   if test "$enable_pthreads" = try ; then
 123     enable_pthreads="$bird_cv_lib_pthreads"
 124   fi
 125 fi
 126
 127 if test "$bird_cflags_default" = yes ; then
 128   BIRD_CHECK_GCC_OPTION([bird_cv_c_option_wno_pointer_sign], [-Wno-pointer-sign], [-Wall])
 129   BIRD_CHECK_GCC_OPTION([bird_cv_c_option_wno_missing_init], [-Wno-missing-field-initializers], [-Wall -Wextra])
 130   BIRD_CHECK_GCC_OPTION([bird_cv_c_option_fno_strict_aliasing], [-fno-strict-aliasing])
 131   BIRD_CHECK_GCC_OPTION([bird_cv_c_option_fno_strict_overflow], [-fno-strict-overflow])
 132
 133   CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes -Wno-parentheses"
 134   BIRD_ADD_GCC_OPTION([bird_cv_c_option_wno_pointer_sign], [-Wno-pointer-sign])
 135   BIRD_ADD_GCC_OPTION([bird_cv_c_option_wno_missing_init], [-Wno-missing-field-initializers])
 136   BIRD_ADD_GCC_OPTION([bird_cv_c_option_fno_strict_aliasing], [-fno-strict-aliasing])
 137   BIRD_ADD_GCC_OPTION([bird_cv_c_option_fno_strict_overflow], [-fno-strict-overflow])
 138 fi
 139 AC_MSG_CHECKING([CFLAGS])
 140 AC_MSG_RESULT([$CFLAGS])
 141
 142
 143 AC_PROG_CPP
 144 AC_PROG_INSTALL
 145 AC_PROG_RANLIB
 146 AC_CHECK_PROG([FLEX], [flex], [flex])
 147 AC_CHECK_PROG([BISON], [bison], [bison])
 148 AC_CHECK_PROGS([M4], [gm4 m4])
 149
 150 test -z "$FLEX"  && AC_MSG_ERROR([Flex is missing.])
 151 test -z "$BISON" && AC_MSG_ERROR([Bison is missing.])
 152 test -z "$M4"    && AC_MSG_ERROR([M4 is missing.])
 153
 154 BIRD_CHECK_PROG_FLAVOR_GNU([$M4],
 155   [],
 156   [AC_MSG_ERROR([Provided M4 is not GNU M4.])]
 157 )
 158
 159 if test -n "$with_sysconfig" -a "$with_sysconfig" != no ; then
 160   if test -f $with_sysconfig ; then
 161     sysdesc=$with_sysconfig
 162   else
 163     sysdesc=$srcdir/sysdep/cf/$with_sysconfig
 164     if ! test -f $sysdesc ; then
 165       sysdesc=$sysdesc.h
 166     fi
 167   fi
 168 elif test -f sysconfig.h ; then
 169   sysdesc=sysconfig
 170 else
 171   case "$host_os" in
 172     linux*)
 173       sysdesc=linux
 174       default_iproutedir="/etc/iproute2"
 175       ;;
 176     freebsd*)
 177       sysdesc=bsd
 178       ;;
 179     kfreebsd*)
 180       sysdesc=bsd
 181       ;;
 182     netbsd*)
 183       sysdesc=bsd
 184       CPPFLAGS="$CPPFLAGS -I/usr/pkg/include"
 185       LDFLAGS="$LDFLAGS -L/usr/pkg/lib -R/usr/pkg/lib"
 186       ;;
 187     openbsd*)
 188       sysdesc=bsd
 189       ;;
 190     dragonfly*)
 191       sysdesc=bsd
 192       ;;
 193     *)
 194       AC_MSG_ERROR([Cannot determine correct system configuration. Please use --with-sysconfig to set it manually.])
 195       ;;
 196     esac
 197     sysdesc=$srcdir/sysdep/cf/$sysdesc.h
 198 fi
 199 AC_MSG_CHECKING([which OS configuration should we use])
 200 AC_MSG_RESULT([$sysdesc])
 201 if ! test -f $sysdesc ; then
 202   AC_MSG_ERROR([The system configuration file is missing.])
 203 fi
 204 sysname=`echo $sysdesc | sed 's/\.h$//'`
 205 AC_DEFINE_UNQUOTED([SYSCONF_INCLUDE], ["$sysdesc"], [Which sysdep header to include])
 206
 207 AC_MSG_CHECKING([system-dependent directories])
 208 sysdep_dirs="`sed <$sysdesc '/^Link: /!d;s/^Link: \(.*\)$/\1/' | tr '\012' ' '`"
 209 AC_MSG_RESULT([$sysdep_dirs])
 210 AC_SUBST([sysdep_dirs])
 211
 212 if test "$with_iproutedir" = no ; then with_iproutedir= ; fi
 213
 214 if test -n "$given_iproutedir"
 215 then iproutedir=$with_iproutedir
 216 else iproutedir=$default_iproutedir
 217 fi
 218
 219 AC_SUBST([iproutedir])
 220
 221 DAEMON_LIBS=
 222 AC_SUBST(DAEMON_LIBS)
 223
 224 if test "$enable_libssh" != no ; then
 225   AC_CHECK_HEADER([libssh/libssh.h], [true], [fail=yes], [ ])
 226   AC_CHECK_LIB([ssh], [ssh_connect], [true], [fail=yes])
 227
 228   if test "$fail" != yes ; then
 229     AC_DEFINE([HAVE_LIBSSH], [1], [Define to 1 if you have the `ssh' library (-lssh).])
 230     DAEMON_LIBS="-lssh $DAEMON_LIBS"
 231     proto_rpki=rpki
 232     enable_libssh=yes
 233   else
 234     if test "$enable_libssh" = yes ; then
 235       AC_MSG_ERROR([LibSSH not available.])
 236     else
 237       enable_libssh=no
 238     fi
 239   fi
 240 fi
 241
 242 all_protocols="$proto_bfd babel bgp ospf pipe radv rip $proto_rpki static"
 243
 244 all_protocols=`echo $all_protocols | sed 's/ /,/g'`
 245
 246 if test "$with_protocols" = all ; then
 247   with_protocols="$all_protocols"
 248 fi
 249
 250 AH_TEMPLATE([CONFIG_BABEL],     [Babel protocol])
 251 AH_TEMPLATE([CONFIG_BFD],       [BFD protocol])
 252 AH_TEMPLATE([CONFIG_BGP],       [BGP protocol])
 253 AH_TEMPLATE([CONFIG_OSPF],      [OSPF protocol])
 254 AH_TEMPLATE([CONFIG_PIPE],      [Pipe protocol])
 255 AH_TEMPLATE([CONFIG_RADV],      [RAdv protocol])
 256 AH_TEMPLATE([CONFIG_RIP],       [RIP protocol])
 257 AH_TEMPLATE([CONFIG_RPKI],      [RPKI protocol])
 258 AH_TEMPLATE([CONFIG_STATIC],    [Static protocol])
 259
 260 AC_MSG_CHECKING([protocols])
 261 protocols=`echo "$with_protocols" | sed 's/,/ /g'`
 262 if test "$protocols" = no ; then protocols= ; fi
 263 for a in $protocols ; do
 264   if ! test -f $srcdir/proto/$a/Makefile ; then
 265     AC_MSG_RESULT([failed])
 266     AC_MSG_ERROR([Requested protocol $a not found])
 267   fi
 268   AC_DEFINE_UNQUOTED([CONFIG_`echo $a | tr 'a-z' 'A-Z'`])
 269 done
 270 AC_MSG_RESULT([ok])
 271 AC_SUBST([protocols])
 272
 273 case $sysdesc in
 274   */linux*)
 275     AC_CHECK_HEADER([linux/rtnetlink.h],
 276       [],
 277       [AC_MSG_ERROR([Appropriate version of Linux kernel headers not found.])],
 278       [
 279         dnl Some older versions of Linux kernel headers require these includes
 280         #include <asm/types.h>
 281         #include <sys/socket.h>
 282       ]
 283     )
 284     ;;
 285 esac
 286
 287 AC_CHECK_HEADERS_ONCE([alloca.h syslog.h])
 288 AC_CHECK_MEMBERS([struct sockaddr.sa_len], [], [], [#include <sys/socket.h>])
 289
 290 AC_CHECK_HEADERS([linux/lwtunnel.h],
 291   [AC_DEFINE([HAVE_LWTUNNEL], [1], [Define to 1 if you have the <linux/lwtunnel.h> header file.])],
 292   [],
 293   [] dnl Force new AC_CHECK_HEADER semantics
 294 )
 295
 296 AC_CHECK_MEMBERS([struct rtvia.rtvia_family],
 297   [AC_DEFINE([HAVE_STRUCT_RTVIA], [1], [Define to 1 if you have rtvia structure.])],
 298   [],
 299   [#include <linux/rtnetlink.h>]
 300 )
 301
 302 AC_C_BIGENDIAN(
 303   [AC_DEFINE([CPU_BIG_ENDIAN], [1], [Define to 1 if cpu is big endian])],
 304   [AC_DEFINE([CPU_LITTLE_ENDIAN], [1], [Define to 1 if cpu is little endian])],
 305   [AC_MSG_ERROR([Cannot determine CPU endianity.])]
 306 )
 307
 308 if test "$enable_debug" = yes ; then
 309   AC_DEFINE([DEBUGGING], [1], [Define to 1 if debugging is enabled])
 310   LDFLAGS="$LDFLAGS -rdynamic"
 311   CFLAGS="$CFLAGS -O0 -ggdb -g3 -gdwarf-4"
 312
 313   AC_CHECK_HEADER([execinfo.h],
 314     [
 315       AC_DEFINE([HAVE_EXECINFO_H], [1], [Define to 1 if you have the <execinfo.h> header file.])
 316       AC_SEARCH_LIBS([backtrace], [execinfo],
 317         []
 318         [AC_MSG_ERROR([Function backtrace not available.])]
 319       )
 320     ]
 321   )
 322
 323   if test "$enable_memcheck" = yes ; then
 324     AC_CHECK_LIB([dmalloc], [dmalloc_debug])
 325     if test $ac_cv_lib_dmalloc_dmalloc_debug != yes ; then
 326       AC_CHECK_LIB([efence], [malloc])
 327     fi
 328   fi
 329 fi
 330
 331 CLIENT=birdcl
 332 CLIENT_LIBS=
 333 if test "$enable_client" = yes ; then
 334   CLIENT="$CLIENT birdc"
 335   BASE_LIBS="$LIBS"
 336   LIBS=""
 337
 338   AC_CHECK_HEADERS([curses.h],
 339     [],
 340     [AC_MSG_ERROR([The client requires ncurses library. Either install the library or use --disable-client to compile without the client.])],
 341     [AC_INCLUDES_DEFAULT]
 342   )
 343
 344   AC_SEARCH_LIBS([tgetent], [tinfo tinfow ncurses curses termcap],
 345     [TINFO_LIBS="$LIBS"; LIBS=""],
 346     [AC_MSG_ERROR([The client requires ncurses library. Either install the library or use --disable-client to compile without the client.])],
 347   )
 348
 349   AC_CHECK_HEADERS([readline/readline.h readline/history.h],
 350     [],
 351     [AC_MSG_ERROR([The client requires GNU Readline library. Either install the library or use --disable-client to compile without the client.])],
 352     [AC_INCLUDES_DEFAULT]
 353   )
 354
 355   AC_SEARCH_LIBS([rl_callback_read_char], [readline],
 356     [READLINE_LIBS="$LIBS"; LIBS=""],
 357     [AC_MSG_ERROR([The client requires GNU Readline library. Either install the library or use --disable-client to compile without the client.])],
 358     [$TINFO_LIBS]
 359   )
 360
 361   AC_SEARCH_LIBS([add_history], [history readline],
 362     [HISTORY_LIBS="$LIBS"; LIBS=""],
 363     [AC_MSG_ERROR([The client requires GNU Readline library. Either install the library or use --disable-client to compile without the client.])],
 364     [$TINFO_LIBS]
 365   )
 366
 367   AC_CHECK_LIB([readline], [rl_crlf],
 368     [AC_DEFINE([HAVE_RL_CRLF], [1], [Define to 1 if you have rl_crlf()])],
 369     [],
 370     [$TINFO_LIBS]
 371   )
 372
 373   AC_CHECK_LIB([readline], [rl_ding],
 374     [AC_DEFINE([HAVE_RL_DING], [1], [Define to 1 if you have rl_ding()])],
 375     [],
 376     [$TINFO_LIBS]
 377   )
 378
 379   LIBS="$BASE_LIBS"
 380   CLIENT_LIBS="$HISTORY_LIBS $READLINE_LIBS $TINFO_LIBS"
 381 fi
 382 AC_SUBST([CLIENT])
 383 AC_SUBST([CLIENT_LIBS])
 384
 385 mkdir -p $objdir/sysdep
 386 AC_CONFIG_HEADERS([$objdir/sysdep/autoconf.h:sysdep/autoconf.h.in])
 387 AC_CONFIG_FILES([Makefile:Makefile.in])
 388 AC_OUTPUT
 389
 390 AC_MSG_RESULT()
 391 AC_MSG_RESULT([BIRD was configured with the following options:])
 392 AC_MSG_RESULT([        Source directory:        $srcdir])
 393 AC_MSG_RESULT([        Object directory:        $objdir])
 394 AC_MSG_RESULT([        Iproute2 directory:      $iproutedir])
 395 AC_MSG_RESULT([        System configuration:    $sysdesc])
 396 AC_MSG_RESULT([        Debugging:               $enable_debug])
 397 AC_MSG_RESULT([        POSIX threads:           $enable_pthreads])
 398 AC_MSG_RESULT([        Routing protocols:       $protocols])
 399 AC_MSG_RESULT([        Client:                  $enable_client])
 400
 401 rm -f $objdir/.*-stamp