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dnl ** This is a configure script template for BIRD
dnl ** Process it with autoconf to get ./configure
dnl ** (c) 1999 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: enabled)],,enable_debug=yes)
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: rip,static)],,[with_protocols="rip,static"])

AC_CANONICAL_HOST
AC_MSG_CHECKING([which OS configuration should we use])
if test -n "$with_sysconfig" -a "$with_sysconfig" != no ; then
	case "$with_sysconfig" in *.h) ;; *) with_sysconfig="$with_sysconfig.h" ;; esac
	if test -f $with_sysconfig ; then
		SYSDESC=$with_sysconfig
	else
		SYSDESC=sysdep/cf/$with_sysconfig
	fi
elif test -f sysconfig.h ; then
	SYSDESC=sysconfig
else
	case "$host_os" in
		linux*)		SYSDESC=linux-20 ;;
		*)		AC_MSG_RESULT(unknown)
				AC_MSG_ERROR([Cannot determine correct system configuration.])
				;;
		esac
	SYSDESC=sysdep/cf/$SYSDESC.h
fi
AC_MSG_RESULT($SYSDESC)
if ! test -f $SYSDESC ; then
	AC_MSG_ERROR([The system configuration file is missing.])
fi
AC_DEFINE_UNQUOTED(SYSCONF_INCLUDE, "$SYSDESC")

AC_MSG_CHECKING([protocols])
protocols=`echo "$with_protocols" | sed 's/,/ /g'`
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_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
	CFLAGS="$CFLAGS -Wall -W -Wstrict-prototypes -Wno-unused -Wno-parentheses"
fi
AC_MSG_RESULT($CFLAGS)

AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_RANLIB
AC_CHECK_PROG(FLEX, flex, flex)
AC_CHECK_PROG(BISON, bison, bison)
AC_CHECK_PROG(M4, 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

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

BIRD_CHECK_INTEGERS
BIRD_CHECK_ENDIAN
BIRD_CHECK_STRUCT_ALIGN
BIRD_CHECK_TIME_T

if test "$enable_debug" = yes ; then
	AC_DEFINE(PATH_CONFIG_DIR, ".")
	AC_DEFINE(DEBUGGING)
else
	AC_DEFINE_UNQUOTED(PATH_CONFIG_DIR, "$sysconfdir")
fi

AC_CONFIG_HEADER(sysdep/autoconf.h)
AC_OUTPUT

cat >&AC_FD_MSG <<EOF

BIRD was configured with the following options:
	System configuration:	$SYSDESC
	Debugging:		$enable_debug
	Routing protocols:	$protocols
EOF