Internet on FIRE

dnl ** This is a configure script template for BIRD

dnl ** Process it with autoconf to get ./configure

dnl ** (c) 1999--2000 Martin Mares <mj@ucw.cz>

AC_REVISION($Id$)

AC_INIT(conf/confbase.Y)

AC_CONFIG_AUX_DIR(tools)

AC_ARG_ENABLE(debug,[  --enable-debug          enable internal debugging routines (default: disabled)],,enable_debug=no)

AC_ARG_ENABLE(warnings,[  --enable-warnings       enable extra warnings (default: disabled)],,enable_warnings=no)

AC_ARG_ENABLE(client,[  --enable-client         enable building of BIRD client (default: enabled)],,enable_client=yes)

AC_ARG_ENABLE(ipv6,[  --enable-ipv6           enable building of IPv6 version (default: disabled)],,enable_ipv6=no)

AC_ARG_WITH(sysconfig,[  --with-sysconfig=FILE   use specified BIRD system configuration file])

AC_ARG_WITH(protocols,[  --with-protocols=LIST   include specified routing protocols (default: all)],,[with_protocols="all"])

AC_ARG_WITH(sysinclude,[  --with-sysinclude=PATH  search for system includes on specified place])

if test "$srcdir" = . ; then

	# Building in current directory => create obj directory holding all objects

	objdir=obj

	mkdir -p obj

	srcdir_rel=..

	makefiles="Makefile:tools/Makefile-top.in obj/Makefile:tools/Makefile.in obj/Rules:tools/Rules.in"

	exedir=..

else

	# Building in separate directory

	objdir=.

	srcdir_rel=$srcdir

	makefiles="Makefile:tools/Makefile.in Rules:tools/Rules.in"

	exedir=.

fi

case $srcdir_rel in

	/*)	srcdir_rel_mf=$srcdir_rel ;;

	*)	srcdir_rel_mf="\$(root-rel)$srcdir_rel" ;;

esac

AC_SUBST(objdir)

AC_SUBST(exedir)

AC_SUBST(srcdir_rel_mf)

if test "$enable_ipv6" = yes ; then

	ip=ipv6

	if test "$with_protocols" = all ; then

		with_protocols=bgp,pipe,rip,static

	fi

else

	ip=ipv4

	if test "$with_protocols" = all ; then

		with_protocols=bgp,ospf,pipe,rip,static

	fi

fi

AC_CANONICAL_HOST

AC_MSG_CHECKING([which OS configuration should we use])

if test -n "$with_sysconfig" -a "$with_sysconfig" != no ; then

	if test -f $with_sysconfig ; then

		sysdesc=$with_sysconfig

	else

		sysdesc=$srcdir/sysdep/cf/$with_sysconfig

		if ! test -f $sysdesc ; then

			sysdesc=$sysdesc.h

		fi

	fi

elif test -f sysconfig.h ; then

	sysdesc=sysconfig

else

	case "$ip:$host_os" in

		ipv4:linux*)	case `uname -r` in

					1.*|2.0.*)	sysdesc=linux-20 ;;

					*)		sysdesc=linux-22 ;;

					esac

				;;

		ipv6:linux*)	sysdesc=linux-v6

				;;

		*)		AC_MSG_RESULT(unknown)

				AC_MSG_ERROR([Cannot determine correct system configuration.])

				;;

		esac

	sysdesc=$srcdir/sysdep/cf/$sysdesc.h

fi

AC_MSG_RESULT($sysdesc)

if ! test -f $sysdesc ; then

	AC_MSG_ERROR([The system configuration file is missing.])

fi

sysname=`echo $sysdesc | sed 's/\.h$//'`

AC_DEFINE_UNQUOTED(SYSCONF_INCLUDE, "$sysdesc")

AC_MSG_CHECKING([system-dependent directories])

sysdep_dirs="`sed <$sysdesc '/^Link: /!d;s/^Link: \(.*\)$/\1/' | tr '\012' ' '` lib"

AC_MSG_RESULT($sysdep_dirs)

AC_SUBST(sysdep_dirs)

AC_MSG_CHECKING([protocols])

protocols=`echo "$with_protocols" | sed 's/,/ /g'`

if test "$protocols" = no ; then protocols= ; fi

for a in $protocols ; do

	if ! test -f $srcdir/proto/$a/Makefile ; then

		AC_MSG_RESULT(failed)

		AC_MSG_ERROR([Requested protocol $a not found.])

		fi

	AC_DEFINE_UNQUOTED(CONFIG_`echo $a | tr 'a-z' 'A-Z'`)

	done

AC_MSG_RESULT(ok)

AC_SUBST(protocols)

AC_PROG_CC

if test -z "$GCC" ; then

	AC_MSG_ERROR([This program requires the GNU C Compiler.])

	fi

AC_MSG_CHECKING([what CFLAGS should we use])

if test "$ac_test_CFLAGS" != set ; then

	if test "$enable_warnings" = yes ; then

		WARNS=""

	else

		WARNS=" -Wno-unused"

	fi

	CFLAGS="$CFLAGS -Wall -W -Wstrict-prototypes -Wno-parentheses$WARNS"

fi

if test "$with_sysinclude" != no -a -n "$with_sysinclude"; then

	CPPFLAGS="$CPPFLAGS -I$with_sysinclude"

fi

AC_MSG_RESULT($CFLAGS)

AC_PROG_CPP

AC_PROG_INSTALL

AC_PROG_RANLIB

AC_CHECK_PROG(FLEX, flex, flex)

AC_CHECK_PROG(BISON, bison, bison)

AC_CHECK_PROGS(M4, gm4 m4, m4)

if test -z "$FLEX" -o -z "$BISON" -o -z "$M4" ; then

	AC_MSG_ERROR([Some tools required for building BIRD are missing.])

	fi

case $sysdesc in

	*/linux-22*|*/linux-v6*)

		AC_CHECK_HEADER(linux/rtnetlink.h,,[AC_MSG_ERROR([Appropriate version of Linux kernel headers not found.])])

		;;

esac

AC_CHECK_HEADER(syslog.h, [AC_DEFINE(HAVE_SYSLOG)])

BIRD_CHECK_INTEGERS

BIRD_CHECK_ENDIAN

BIRD_CHECK_STRUCT_ALIGN

BIRD_CHECK_TIME_T

BIRD_CHECK_STRUCT_IP_MREQN

if test "$enable_debug" = yes ; then

	AC_DEFINE(DEBUGGING)

	AC_CHECK_LIB(dmalloc, dmalloc_debug)

	if test $ac_cv_lib_dmalloc_dmalloc_debug != yes ; then

		AC_CHECK_LIB(efence, malloc)

	fi

fi

CLIENT=

CLIENT_LIBS=

if test "$enable_client" = yes ; then

	CLIENT=client

	AC_CHECK_LIB(history, add_history, CLIENT_LIBS="-lhistory")

	AC_CHECK_LIB(ncurses, tgetent, USE_TERMCAP_LIB=-lncurses,

		AC_CHECK_LIB(curses, tgetent, USE_TERMCAP_LIB=-lcurses,

			AC_CHECK_LIB(termcap, tgetent, USE_TERMCAP_LIB=-ltermcap)))

	AC_CHECK_LIB(readline, rl_callback_read_char, CLIENT_LIBS="-lreadline $CLIENT_LIBS $USE_TERMCAP_LIB",

		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)

fi

AC_SUBST(CLIENT)

AC_SUBST(CLIENT_LIBS)

mkdir -p $objdir/sysdep

AC_CONFIG_HEADER($objdir/sysdep/autoconf.h:sysdep/autoconf.h.in)

AC_OUTPUT_COMMANDS(,[CPP="$CPP" $srcdir/tools/mergedirs $srcdir $srcdir_rel $objdir $sysdep_dirs])

AC_OUTPUT($makefiles)

cat >&AC_FD_MSG <<EOF

BIRD was configured with the following options:

	Source directory:	$srcdir

	Object directory:	$objdir

	System configuration:	$sysdesc

	Debugging:		$enable_debug

	Routing protocols:	$protocols

	Client:			$enable_client

EOF

rm -f $objdir/.*-stamp