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(pthreads, [  --enable-pthreads       enable POSIX threads support (default: detect)],,enable_pthreads=try)
  13 AC_ARG_WITH(sysconfig,  [  --with-sysconfig=FILE   use specified BIRD system configuration file])
  14 AC_ARG_WITH(protocols,  [  --with-protocols=LIST   include specified routing protocols (default: all)],,[with_protocols="all"])
  15 AC_ARG_WITH(sysinclude, [  --with-sysinclude=PATH  search for system includes on specified place])
  16 AC_ARG_WITH(runtimedir, [  --with-runtimedir=PATH  path for runtime files (default: $(localstatedir)/run)],[runtimedir="$with_runtimedir"],[runtimedir="\$(localstatedir)/run"])
  17 AC_ARG_WITH(iproutedir, [  --with-iproutedir=PATH  path to iproute2 config files (default: /etc/iproute2)],[given_iproutedir="yes"])
  18 AC_ARG_VAR([FLEX], [location of the Flex program])
  19 AC_ARG_VAR([BISON], [location of the Bison program])
  20 AC_ARG_VAR([M4], [location of the M4 program])
  21
  22
  23 if test "$srcdir" = . ; then
  24         # Building in current directory => create obj directory holding all objects
  25         objdir=obj
  26 else
  27         # Building in separate directory
  28         objdir=.
  29 fi
  30
  31 exedir=.
  32
  33 AC_SUBST(objdir)
  34 AC_SUBST(exedir)
  35 AC_SUBST(srcdir)
  36 AC_SUBST(runtimedir)
  37
  38
  39 if test "$enable_debug" = yes ; then
  40         CONFIG_FILE="bird.conf"
  41         CONTROL_SOCKET="bird.ctl"
  42 else
  43         CONFIG_FILE="\$(sysconfdir)/bird.conf"
  44         CONTROL_SOCKET="$runtimedir/bird.ctl"
  45 fi
  46 AC_SUBST(CONFIG_FILE)
  47 AC_SUBST(CONTROL_SOCKET)
  48
  49 AC_SEARCH_LIBS(clock_gettime, [c rt posix4], ,
  50         AC_MSG_ERROR([[Function clock_gettime not available.]]))
  51
  52 AC_CANONICAL_HOST
  53
  54 # Store this value because ac_test_CFLAGS is overwritten by AC_PROG_CC
  55 if test "$ac_test_CFLAGS" != set ; then
  56         bird_cflags_default=yes
  57 fi
  58
  59 AC_PROG_CC_C99
  60 if test -z "$GCC" ; then
  61         AC_MSG_ERROR([This program requires the GNU C Compiler.])
  62 fi
  63
  64 # Enable threads by default just in Linux and FreeBSD
  65 #if test "$enable_pthreads" = try ; then
  66 #       case "$host_os" in
  67 #               (linux* | freebsd* | openbsd* | netbsd* )       enable_pthreads=try ;;
  68 #               (*)                             enable_pthreads=no ;;
  69 #       esac
  70 #fi
  71
  72 if test "$enable_pthreads" != no ; then
  73         BIRD_CHECK_PTHREADS
  74
  75         if test "$bird_cv_lib_pthreads" = yes ; then
  76                 AC_DEFINE(USE_PTHREADS)
  77                 CFLAGS="$CFLAGS -pthread"
  78                 LDFLAGS="$LDFLAGS -pthread"
  79                 proto_bfd=bfd
  80         elif test "$enable_pthreads" = yes ; then
  81                 AC_MSG_ERROR([POSIX threads not available.])
  82         fi
  83
  84         if test "$enable_pthreads" = try ; then
  85                 enable_pthreads="$bird_cv_lib_pthreads"
  86         fi
  87 fi
  88
  89 if test "$bird_cflags_default" = yes ; then
  90         BIRD_CHECK_GCC_OPTION(bird_cv_c_option_wno_pointer_sign, -Wno-pointer-sign, -Wall)
  91         BIRD_CHECK_GCC_OPTION(bird_cv_c_option_wno_missing_init, -Wno-missing-field-initializers, -Wall -Wextra)
  92         BIRD_CHECK_GCC_OPTION(bird_cv_c_option_fno_strict_aliasing, -fno-strict-aliasing)
  93         BIRD_CHECK_GCC_OPTION(bird_cv_c_option_fno_strict_overflow, -fno-strict-overflow)
  94
  95         CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes -Wno-parentheses"
  96         BIRD_ADD_GCC_OPTION(bird_cv_c_option_wno_pointer_sign, -Wno-pointer-sign)
  97         BIRD_ADD_GCC_OPTION(bird_cv_c_option_wno_missing_init, -Wno-missing-field-initializers)
  98         BIRD_ADD_GCC_OPTION(bird_cv_c_option_fno_strict_aliasing, -fno-strict-aliasing)
  99         BIRD_ADD_GCC_OPTION(bird_cv_c_option_fno_strict_overflow, -fno-strict-overflow)
 100 fi
 101 AC_MSG_CHECKING([CFLAGS])
 102 AC_MSG_RESULT($CFLAGS)
 103
 104
 105 AC_PROG_CPP
 106 AC_PROG_INSTALL
 107 AC_PROG_RANLIB
 108 AC_CHECK_PROG(FLEX, flex, flex)
 109 AC_CHECK_PROG(BISON, bison, bison)
 110 AC_CHECK_PROGS(M4, gm4 m4)
 111
 112 test -z "$FLEX"  && AC_MSG_ERROR([Flex is missing.])
 113 test -z "$BISON" && AC_MSG_ERROR([Bison is missing.])
 114 test -z "$M4"    && AC_MSG_ERROR([M4 is missing.])
 115 BIRD_CHECK_PROG_FLAVOR_GNU([$M4], , [AC_MSG_ERROR([Provided M4 is not GNU M4.])])
 116
 117 if test -n "$with_sysconfig" -a "$with_sysconfig" != no ; then
 118         if test -f $with_sysconfig ; then
 119                 sysdesc=$with_sysconfig
 120         else
 121                 sysdesc=$srcdir/sysdep/cf/$with_sysconfig
 122                 if ! test -f $sysdesc ; then
 123                         sysdesc=$sysdesc.h
 124                 fi
 125         fi
 126 elif test -f sysconfig.h ; then
 127         sysdesc=sysconfig
 128 else
 129         case "$host_os" in
 130                 linux*)         sysdesc=linux
 131                                 default_iproutedir="/etc/iproute2"
 132                                 ;;
 133                 freebsd*)       sysdesc=bsd
 134                                 ;;
 135                 kfreebsd*)      sysdesc=bsd
 136                                 ;;
 137                 netbsd*)        sysdesc=bsd
 138                                 CPPFLAGS="$CPPFLAGS -I/usr/pkg/include"
 139                                 LDFLAGS="$LDFLAGS -L/usr/pkg/lib -R/usr/pkg/lib"
 140                                 ;;
 141                 openbsd*)       sysdesc=bsd
 142                                 ;;
 143                 dragonfly*)     sysdesc=bsd
 144                                 ;;
 145                 *)              AC_MSG_ERROR([Cannot determine correct system configuration. Please use --with-sysconfig to set it manually.])
 146                                 ;;
 147                 esac
 148         sysdesc=$srcdir/sysdep/cf/$sysdesc.h
 149 fi
 150 AC_MSG_CHECKING([which OS configuration should we use])
 151 AC_MSG_RESULT($sysdesc)
 152 if ! test -f $sysdesc ; then
 153         AC_MSG_ERROR([The system configuration file is missing.])
 154 fi
 155 sysname=`echo $sysdesc | sed 's/\.h$//'`
 156 AC_DEFINE_UNQUOTED(SYSCONF_INCLUDE, "$sysdesc")
 157
 158 AC_MSG_CHECKING([system-dependent directories])
 159 sysdep_dirs="`sed <$sysdesc '/^Link: /!d;s/^Link: \(.*\)$/\1/' | tr '\012' ' '`"
 160 AC_MSG_RESULT($sysdep_dirs)
 161 AC_SUBST(sysdep_dirs)
 162
 163 if test "$with_iproutedir" = no ; then with_iproutedir= ; fi
 164
 165 if test -n "$given_iproutedir"
 166 then iproutedir=$with_iproutedir
 167 else iproutedir=$default_iproutedir
 168 fi
 169
 170 AC_SUBST(iproutedir)
 171
 172 # all_protocols="$proto_bfd babel bgp ospf pipe radv rip static"
 173 all_protocols="$proto_bfd ospf pipe radv rip static"
 174
 175 all_protocols=`echo $all_protocols | sed 's/ /,/g'`
 176
 177 if test "$with_protocols" = all ; then
 178         with_protocols="$all_protocols"
 179 fi
 180
 181 AC_MSG_CHECKING([protocols])
 182 protocols=`echo "$with_protocols" | sed 's/,/ /g'`
 183 if test "$protocols" = no ; then protocols= ; fi
 184 for a in $protocols ; do
 185         if ! test -f $srcdir/proto/$a/Makefile ; then
 186                 AC_MSG_RESULT(failed)
 187                 AC_MSG_ERROR([Requested protocol $a not found.])
 188                 fi
 189         AC_DEFINE_UNQUOTED(CONFIG_`echo $a | tr 'a-z' 'A-Z'`)
 190         done
 191 AC_MSG_RESULT(ok)
 192 AC_SUBST(protocols)
 193
 194 case $sysdesc in
 195         */linux*)
 196                 AC_CHECK_HEADER(linux/rtnetlink.h,,[AC_MSG_ERROR([Appropriate version of Linux kernel headers not found.])],[
 197 #include <asm/types.h>
 198 #include <sys/socket.h>
 199 ])
 200                 ;;
 201 esac
 202
 203 AC_CHECK_HEADER(syslog.h, [AC_DEFINE(HAVE_SYSLOG)])
 204 AC_CHECK_HEADER(alloca.h, [AC_DEFINE(HAVE_ALLOCA_H)])
 205 AC_MSG_CHECKING(whether 'struct sockaddr' has sa_len)
 206 AC_TRY_COMPILE([#include <sys/types.h>
 207   #include <sys/socket.h>
 208   ], [static struct sockaddr sa; int i = sizeof(sa.sa_len);],
 209   [AC_MSG_RESULT(yes)
 210   AC_DEFINE(HAVE_SIN_LEN,,sin_len)],
 211   AC_MSG_RESULT(no))
 212
 213 AC_C_BIGENDIAN([AC_DEFINE(CPU_BIG_ENDIAN)], [AC_DEFINE(CPU_LITTLE_ENDIAN)],
 214                  [AC_MSG_ERROR([Cannot determine CPU endianity.])])
 215
 216 BIRD_CHECK_INTEGERS
 217 BIRD_CHECK_STRUCT_ALIGN
 218 BIRD_CHECK_TIME_T
 219 BIRD_CHECK_STRUCT_IP_MREQN
 220
 221 if test "$enable_debug" = yes ; then
 222         AC_DEFINE(DEBUGGING)
 223         AC_CHECK_HEADER(execinfo.h, [AC_SEARCH_LIBS([backtrace, backtrace_symbols], [c execinfo], [AC_DEFINE(HAVE_EXECINFO_H)])])
 224         LDFLAGS="$LDFLAGS -rdynamic"
 225         CFLAGS="$CFLAGS -O0 -ggdb -g3 -gdwarf-4"
 226         if test "$enable_memcheck" = yes ; then
 227                 AC_CHECK_LIB(dmalloc, dmalloc_debug)
 228                 if test $ac_cv_lib_dmalloc_dmalloc_debug != yes ; then
 229                         AC_CHECK_LIB(efence, malloc)
 230                 fi
 231         fi
 232 fi
 233
 234 CLIENT=birdcl
 235 CLIENT_LIBS=
 236 if test "$enable_client" = yes ; then
 237         CLIENT="$CLIENT birdc"
 238         AC_CHECK_LIB(history, add_history, CLIENT_LIBS="-lhistory")
 239         AC_CHECK_LIB(ncurses, tgetent, USE_TERMCAP_LIB=-lncurses,
 240                 AC_CHECK_LIB(curses, tgetent, USE_TERMCAP_LIB=-lcurses,
 241                         AC_CHECK_LIB(tinfow, tgetent, USE_TERMCAP_LIB=-ltinfow,
 242                                 AC_CHECK_LIB(tinfo, tgetent, USE_TERMCAP_LIB=-ltinfo,
 243                                         AC_CHECK_LIB(termcap, tgetent, USE_TERMCAP_LIB=-ltermcap,
 244                                                 AC_MSG_ERROR([[The client requires ncurses library. Either install the library or use --disable-client to compile without the client.]]))))))
 245         AC_CHECK_LIB(readline, rl_callback_read_char, CLIENT_LIBS="-lreadline $CLIENT_LIBS $USE_TERMCAP_LIB",
 246                 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.]]), $USE_TERMCAP_LIB)
 247         AC_CHECK_LIB(readline, rl_crlf, AC_DEFINE(HAVE_RL_CRLF),,$USE_TERMCAP_LIB)
 248         AC_CHECK_LIB(readline, rl_ding, AC_DEFINE(HAVE_RL_DING),,$USE_TERMCAP_LIB)
 249 fi
 250 AC_SUBST(CLIENT)
 251 AC_SUBST(CLIENT_LIBS)
 252
 253 mkdir -p $objdir/sysdep
 254 AC_CONFIG_HEADERS([$objdir/sysdep/autoconf.h:sysdep/autoconf.h.in])
 255 AC_CONFIG_FILES(Makefile:Makefile.in)
 256 AC_OUTPUT
 257
 258 cat >&AC_FD_MSG <<EOF
 259
 260 BIRD was configured with the following options:
 261         Source directory:       $srcdir
 262         Object directory:       $objdir
 263         Iproute2 directory:     $iproutedir
 264         System configuration:   $sysdesc
 265         Debugging:              $enable_debug
 266         POSIX threads:          $enable_pthreads
 267         Routing protocols:      $protocols
 268         Client:                 $enable_client
 269 EOF
 270 rm -f $objdir/.*-stamp