configure.in

   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_REVISION($Id$)
   6 AC_INIT(conf/confbase.Y)
   7 AC_CONFIG_AUX_DIR(tools)
   8
   9 AC_ARG_ENABLE(debug,    [  --enable-debug          enable internal debugging routines (default: disabled)],,enable_debug=no)
  10 AC_ARG_ENABLE(memcheck, [  --enable-memcheck       check memory allocations when debugging (default: enabled)],,enable_memcheck=yes)
  11 AC_ARG_ENABLE(client,   [  --enable-client         enable building of BIRD client (default: enabled)],,enable_client=yes)
  12 AC_ARG_ENABLE(ipv6,     [  --enable-ipv6           enable building of IPv6 version (default: disabled)],,enable_ipv6=no)
  13 AC_ARG_ENABLE(pthreads, [  --enable-pthreads       enable POSIX threads support (default: detect)],,enable_pthreads=try)
  14 AC_ARG_WITH(suffix,     [  --with-suffix=STRING    use specified suffix for BIRD files (default: 6 for IPv6 version)],[given_suffix="yes"])
  15 AC_ARG_WITH(sysconfig,  [  --with-sysconfig=FILE   use specified BIRD system configuration file])
  16 AC_ARG_WITH(protocols,  [  --with-protocols=LIST   include specified routing protocols (default: all)],,[with_protocols="all"])
  17 AC_ARG_WITH(sysinclude, [  --with-sysinclude=PATH  search for system includes on specified place])
  18 AC_ARG_WITH(runtimedir, [  --with-runtimedir=PATH  path for runtime files (default: $(localstatedir)/run)],[runtimedir="$with_runtimedir"],[runtimedir="\$(localstatedir)/run"])
  19 AC_ARG_WITH(iproutedir, [  --with-iproutedir=PATH  path to iproute2 config files (default: /etc/iproute2)],[given_iproutedir="yes"])
  20 AC_ARG_VAR([FLEX], [location of the Flex program])
  21 AC_ARG_VAR([BISON], [location of the Bison program])
  22 AC_ARG_VAR([M4], [location of the M4 program])
  23
  24
  25 if test "$srcdir" = . ; then
  26         # Building in current directory => create obj directory holding all objects
  27         objdir=obj
  28         mkdir -p obj
  29         srcdir_rel=..
  30         makefiles="Makefile:tools/Makefile-top.in obj/Makefile:tools/Makefile.in obj/Rules:tools/Rules.in"
  31         exedir=..
  32 else
  33         # Building in separate directory
  34         objdir=.
  35         srcdir_rel=$srcdir
  36         makefiles="Makefile:tools/Makefile.in Rules:tools/Rules.in"
  37         exedir=.
  38 fi
  39 case $srcdir_rel in
  40         /*)     srcdir_rel_mf=$srcdir_rel ;;
  41         *)      srcdir_rel_mf="\$(root-rel)$srcdir_rel" ;;
  42 esac
  43 AC_SUBST(objdir)
  44 AC_SUBST(exedir)
  45 AC_SUBST(srcdir_rel_mf)
  46 AC_SUBST(runtimedir)
  47
  48 if test "$enable_ipv6" = yes ; then
  49         ip=ipv6
  50         SUFFIX=6
  51         proto_radv=radv
  52 else
  53         ip=ipv4
  54         SUFFIX=""
  55 fi
  56
  57 if test "$given_suffix" = yes ; then
  58         SUFFIX="$with_suffix"
  59 fi
  60 AC_SUBST(SUFFIX)
  61
  62 if test "$enable_debug" = yes ; then
  63         CONFIG_FILE="bird$SUFFIX.conf"
  64         CONTROL_SOCKET="bird$SUFFIX.ctl"
  65 else
  66         CONFIG_FILE="\$(sysconfdir)/bird$SUFFIX.conf"
  67         CONTROL_SOCKET="$runtimedir/bird$SUFFIX.ctl"
  68 fi
  69 AC_SUBST(CONFIG_FILE)
  70 AC_SUBST(CONTROL_SOCKET)
  71
  72 AC_SEARCH_LIBS(clock_gettime, [c rt posix4], ,
  73         AC_MSG_ERROR([[Function clock_gettime not available.]]))
  74
  75 AC_CANONICAL_HOST
  76
  77 # Store this value because ac_test_CFLAGS is overwritten by AC_PROG_CC
  78 if test "$ac_test_CFLAGS" != set ; then
  79         bird_cflags_default=yes
  80 fi
  81
  82 AC_PROG_CC
  83 if test -z "$GCC" ; then
  84         AC_MSG_ERROR([This program requires the GNU C Compiler.])
  85 fi
  86
  87 # Enable threads by default just in Linux and FreeBSD
  88 if test "$enable_pthreads" = try ; then
  89         case "$host_os" in
  90                 (linux* | freebsd*)     enable_pthreads=try ;;
  91                 (*)                     enable_pthreads=no ;;
  92         esac
  93 fi
  94
  95 if test "$enable_pthreads" != no ; then
  96         BIRD_CHECK_PTHREADS
  97
  98         if test "$bird_cv_lib_pthreads" = yes ; then
  99                 AC_DEFINE(USE_PTHREADS)
 100                 CFLAGS="$CFLAGS -pthread"
 101                 LDFLAGS="$LDFLAGS -pthread"
 102                 proto_bfd=bfd
 103         elif test "$enable_pthreads" = yes ; then
 104                 AC_MSG_ERROR([POSIX threads not available.])
 105         fi
 106
 107         if test "$enable_pthreads" = try ; then
 108                 enable_pthreads="$bird_cv_lib_pthreads"
 109         fi
 110 fi
 111
 112 if test "$bird_cflags_default" = yes ; then
 113         BIRD_CHECK_GCC_OPTION(bird_cv_c_option_wno_pointer_sign, -Wno-pointer-sign, -Wall)
 114         BIRD_CHECK_GCC_OPTION(bird_cv_c_option_fno_strict_aliasing, -fno-strict-aliasing)
 115         BIRD_CHECK_GCC_OPTION(bird_cv_c_option_fno_strict_overflow, -fno-strict-overflow)
 116
 117         CFLAGS="$CFLAGS -Wall -Wstrict-prototypes -Wno-parentheses"
 118         BIRD_ADD_GCC_OPTION(bird_cv_c_option_wno_pointer_sign, -Wno-pointer-sign)
 119         BIRD_ADD_GCC_OPTION(bird_cv_c_option_fno_strict_aliasing, -fno-strict-aliasing)
 120         BIRD_ADD_GCC_OPTION(bird_cv_c_option_fno_strict_overflow, -fno-strict-overflow)
 121 fi
 122 AC_MSG_CHECKING([CFLAGS])
 123 AC_MSG_RESULT($CFLAGS)
 124
 125
 126 AC_PROG_CPP
 127 AC_PROG_INSTALL
 128 AC_PROG_RANLIB
 129 AC_CHECK_PROG(FLEX, flex, flex)
 130 AC_CHECK_PROG(BISON, bison, bison)
 131 AC_CHECK_PROGS(M4, gm4 m4)
 132
 133 test -z "$FLEX"  && AC_MSG_ERROR([Flex is missing.])
 134 test -z "$BISON" && AC_MSG_ERROR([Bison is missing.])
 135 test -z "$M4"    && AC_MSG_ERROR([M4 is missing.])
 136 BIRD_CHECK_PROG_FLAVOR_GNU([$M4], , [AC_MSG_ERROR([Provided M4 is not GNU M4.])])
 137
 138 if test -n "$with_sysconfig" -a "$with_sysconfig" != no ; then
 139         if test -f $with_sysconfig ; then
 140                 sysdesc=$with_sysconfig
 141         else
 142                 sysdesc=$srcdir/sysdep/cf/$with_sysconfig
 143                 if ! test -f $sysdesc ; then
 144                         sysdesc=$sysdesc.h
 145                 fi
 146         fi
 147 elif test -f sysconfig.h ; then
 148         sysdesc=sysconfig
 149 else
 150         case "$ip:$host_os" in
 151                 ipv6:linux*)    sysdesc=linux-v6
 152                                 default_iproutedir="/etc/iproute2"
 153                                 ;;
 154                 ipv4:linux*)    sysdesc=linux
 155                                 default_iproutedir="/etc/iproute2"
 156                                 ;;
 157                 ipv6:netbsd*)   sysdesc=bsd-v6
 158                                 CPPFLAGS="$CPPFLAGS -I/usr/pkg/include"
 159                                 LDFLAGS="$LDFLAGS -L/usr/pkg/lib -R/usr/pkg/lib"
 160                                 ;;
 161                 ipv4:netbsd*)   sysdesc=bsd
 162                                 CPPFLAGS="$CPPFLAGS -I/usr/pkg/include"
 163                                 LDFLAGS="$LDFLAGS -L/usr/pkg/lib -R/usr/pkg/lib"
 164                                 ;;
 165                 ipv6:freebsd*)  sysdesc=bsd-v6
 166                                 ;;
 167                 ipv4:freebsd*)  sysdesc=bsd
 168                                 ;;
 169                 ipv6:dragonfly*)        sysdesc=bsd-v6
 170                                 ;;
 171                 ipv4:dragonfly*)        sysdesc=bsd
 172                                 ;;
 173                 ipv6:kfreebsd*) sysdesc=bsd-v6
 174                                 ;;
 175                 ipv4:kfreebsd*) sysdesc=bsd
 176                                 ;;
 177                 ipv6:openbsd*)  sysdesc=bsd-v6
 178                                 ;;
 179                 ipv4:openbsd*)  sysdesc=bsd
 180                                 ;;
 181                 *)              AC_MSG_ERROR([Cannot determine correct system configuration. Please use --with-sysconfig to set it manually.])
 182                                 ;;
 183                 esac
 184         sysdesc=$srcdir/sysdep/cf/$sysdesc.h
 185 fi
 186 AC_MSG_CHECKING([which OS configuration should we use])
 187 AC_MSG_RESULT($sysdesc)
 188 if ! test -f $sysdesc ; then
 189         AC_MSG_ERROR([The system configuration file is missing.])
 190 fi
 191 sysname=`echo $sysdesc | sed 's/\.h$//'`
 192 AC_DEFINE_UNQUOTED(SYSCONF_INCLUDE, "$sysdesc")
 193
 194 AC_MSG_CHECKING([system-dependent directories])
 195 sysdep_dirs="`sed <$sysdesc '/^Link: /!d;s/^Link: \(.*\)$/\1/' | tr '\012' ' '` lib"
 196 AC_MSG_RESULT($sysdep_dirs)
 197 AC_SUBST(sysdep_dirs)
 198
 199 if test "$with_iproutedir" = no ; then with_iproutedir= ; fi
 200
 201 if test -n "$given_iproutedir"
 202 then iproutedir=$with_iproutedir
 203 else iproutedir=$default_iproutedir
 204 fi
 205
 206 AC_SUBST(iproutedir)
 207
 208 all_protocols="$proto_bfd bgp ospf pipe $proto_radv rip static"
 209 all_protocols=`echo $all_protocols | sed 's/ /,/g'`
 210
 211 if test "$with_protocols" = all ; then
 212         with_protocols="$all_protocols"
 213 fi
 214
 215 AC_MSG_CHECKING([protocols])
 216 protocols=`echo "$with_protocols" | sed 's/,/ /g'`
 217 if test "$protocols" = no ; then protocols= ; fi
 218 for a in $protocols ; do
 219         if ! test -f $srcdir/proto/$a/Makefile ; then
 220                 AC_MSG_RESULT(failed)
 221                 AC_MSG_ERROR([Requested protocol $a not found.])
 222                 fi
 223         AC_DEFINE_UNQUOTED(CONFIG_`echo $a | tr 'a-z' 'A-Z'`)
 224         done
 225 AC_MSG_RESULT(ok)
 226 AC_SUBST(protocols)
 227
 228 case $sysdesc in
 229         */linux*|*/linux-v6*)
 230                 AC_CHECK_HEADER(linux/rtnetlink.h,,[AC_MSG_ERROR([Appropriate version of Linux kernel headers not found.])],[
 231 #include <asm/types.h>
 232 #include <sys/socket.h>
 233 ])
 234                 ;;
 235 esac
 236
 237 AC_CHECK_HEADER(syslog.h, [AC_DEFINE(HAVE_SYSLOG)])
 238 AC_CHECK_HEADER(alloca.h, [AC_DEFINE(HAVE_ALLOCA_H)])
 239 AC_MSG_CHECKING(whether 'struct sockaddr' has sa_len)
 240 AC_TRY_COMPILE([#include <sys/types.h>
 241   #include <sys/socket.h>
 242   ], [static struct sockaddr sa; int i = sizeof(sa.sa_len);],
 243   [AC_MSG_RESULT(yes)
 244   AC_DEFINE(HAVE_SIN_LEN,,sin_len)],
 245   AC_MSG_RESULT(no))
 246
 247 AC_C_BIGENDIAN([AC_DEFINE(CPU_BIG_ENDIAN)], [AC_DEFINE(CPU_LITTLE_ENDIAN)],
 248                  [AC_MSG_ERROR([Cannot determine CPU endianity.])])
 249
 250 BIRD_CHECK_INTEGERS
 251 BIRD_CHECK_STRUCT_ALIGN
 252 BIRD_CHECK_TIME_T
 253 BIRD_CHECK_STRUCT_IP_MREQN
 254
 255 if test "$enable_debug" = yes ; then
 256         AC_DEFINE(DEBUGGING)
 257         if test "$enable_memcheck" = yes ; then
 258                 AC_CHECK_LIB(dmalloc, dmalloc_debug)
 259                 if test $ac_cv_lib_dmalloc_dmalloc_debug != yes ; then
 260                         AC_CHECK_LIB(efence, malloc)
 261                 fi
 262         fi
 263 fi
 264
 265 CLIENT=
 266 CLIENT_LIBS=
 267 if test "$enable_client" = yes ; then
 268         CLIENT=birdc
 269         AC_CHECK_LIB(history, add_history, CLIENT_LIBS="-lhistory")
 270         AC_CHECK_LIB(ncurses, tgetent, USE_TERMCAP_LIB=-lncurses,
 271                 AC_CHECK_LIB(curses, tgetent, USE_TERMCAP_LIB=-lcurses,
 272                         AC_CHECK_LIB(tinfow, tgetent, USE_TERMCAP_LIB=-ltinfow,
 273                                 AC_CHECK_LIB(tinfo, tgetent, USE_TERMCAP_LIB=-ltinfo,
 274                                         AC_CHECK_LIB(termcap, tgetent, USE_TERMCAP_LIB=-ltermcap,
 275                                                 AC_MSG_ERROR([[The client requires ncurses library. Either install the library or use --disable-client to compile without the client.]]))))))
 276         AC_CHECK_LIB(readline, rl_callback_read_char, CLIENT_LIBS="-lreadline $CLIENT_LIBS $USE_TERMCAP_LIB",
 277                 AC_MSG_ERROR([[The client requires GNU readline library 2.1 or newer. Either install the library or use --disable-client to compile without the client.]]), $USE_TERMCAP_LIB)
 278         AC_CHECK_LIB(readline, rl_crlf, AC_DEFINE(HAVE_RL_CRLF),,$USE_TERMCAP_LIB)
 279         AC_CHECK_LIB(readline, rl_ding, AC_DEFINE(HAVE_RL_DING),,$USE_TERMCAP_LIB)
 280 fi
 281 AC_SUBST(CLIENT)
 282 AC_SUBST(CLIENT_LIBS)
 283
 284 mkdir -p $objdir/sysdep
 285 AC_CONFIG_HEADERS([$objdir/sysdep/autoconf.h:sysdep/autoconf.h.in])
 286 AC_CONFIG_COMMANDS([merge],[[export CPP="$CPP"
 287 $srcdir/tools/mergedirs $srcdir $srcdir_rel $objdir $sysdep_dirs]],
 288         [[srcdir=$srcdir]
 289         [srcdir_rel=$srcdir_rel]
 290         [objdir=$objdir]
 291         [sysdep_dirs="$sysdep_dirs"]])
 292 AC_CONFIG_FILES($makefiles)
 293 AC_OUTPUT
 294
 295 rm -f $objdir/sysdep/paths.h
 296
 297 cat >&AC_FD_MSG <<EOF
 298
 299 BIRD was configured with the following options:
 300         Source directory:       $srcdir
 301         Object directory:       $objdir
 302         Iproute2 directory:     $iproutedir
 303         System configuration:   $sysdesc
 304         Debugging:              $enable_debug
 305         POSIX threads:          $enable_pthreads
 306         Routing protocols:      $protocols
 307         Client:                 $enable_client
 308 EOF
 309 rm -f $objdir/.*-stamp