configure.in 6.86 KB
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dnl ** This is a configure script template for BIRD
dnl ** Process it with autoconf to get ./configure
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dnl ** (c) 1999--2000 Martin Mares <mj@ucw.cz>
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AC_REVISION($Id$)
AC_INIT(conf/confbase.Y)
AC_CONFIG_AUX_DIR(tools)

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AC_ARG_ENABLE(debug,[  --enable-debug          enable internal debugging routines (default: disabled)],,enable_debug=no)
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AC_ARG_ENABLE(memcheck,[  --enable-memcheck       check memory allocations when debugging (default: enabled)],,enable_memcheck=yes)
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AC_ARG_ENABLE(warnings,[  --enable-warnings       enable extra warnings (default: disabled)],,enable_warnings=no)
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AC_ARG_ENABLE(client,[  --enable-client         enable building of BIRD client (default: enabled)],,enable_client=yes)
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AC_ARG_ENABLE(ipv6,[  --enable-ipv6           enable building of IPv6 version (default: disabled)],,enable_ipv6=no)
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AC_ARG_WITH(sysconfig,[  --with-sysconfig=FILE   use specified BIRD system configuration file])
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AC_ARG_WITH(protocols,[  --with-protocols=LIST   include specified routing protocols (default: all)],,[with_protocols="all"])
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AC_ARG_WITH(sysinclude,[  --with-sysinclude=PATH  search for system includes on specified place])
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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)

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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

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AC_SEARCH_LIBS(clock_gettime,[c rt posix4])
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AC_CANONICAL_HOST
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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 "$enable_warnings" = yes ; then
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		WARNS=" -Wmissing-prototypes -Wundef"
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	else
		WARNS=" -Wno-unused"
	fi
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	CFLAGS="$CFLAGS -Wall -W -Wstrict-prototypes -Wno-pointer-sign -Wno-parentheses$WARNS"
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fi
if test "$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

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if test -n "$with_sysconfig" -a "$with_sysconfig" != no ; then
	if test -f $with_sysconfig ; then
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		sysdesc=$with_sysconfig
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	else
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		sysdesc=$srcdir/sysdep/cf/$with_sysconfig
		if ! test -f $sysdesc ; then
			sysdesc=$sysdesc.h
		fi
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	fi
elif test -f sysconfig.h ; then
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	sysdesc=sysconfig
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else
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	case "$ip:$host_os" in
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		ipv4:linux*)	BIRD_CHECK_LINUX_VERSION
				case $bird_cv_sys_linux_version in
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					1.*|2.0.*)	sysdesc=linux-20 ;;
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					*)		sysdesc=linux-22 ;;
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					esac
				;;
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		ipv6:linux*)	BIRD_CHECK_LINUX_VERSION
				case $bird_cv_sys_linux_version in
					1.*|2.0.*)	AC_MSG_ERROR([This version of Linux doesn't support IPv6.]) ;;
					*)		sysdesc=linux-v6 ;;
					esac
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				;;
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		ipv6:netbsd*)	sysdesc=bsd-v6
				;;
		ipv4:netbsd*)	sysdesc=bsd
				;;
		ipv6:freebsd*)	sysdesc=bsd-v6
				;;
		ipv4:freebsd*)	sysdesc=bsd
				;;
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		ipv6:openbsd*)	sysdesc=bsd-v6
				;;
		ipv4:openbsd*)	sysdesc=bsd
				;;
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		*)		AC_MSG_ERROR([Cannot determine correct system configuration. Please use --with-sysconfig to set it manually.])
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				;;
		esac
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	sysdesc=$srcdir/sysdep/cf/$sysdesc.h
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fi
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AC_MSG_CHECKING([which OS configuration should we use])
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AC_MSG_RESULT($sysdesc)
if ! test -f $sysdesc ; then
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	AC_MSG_ERROR([The system configuration file is missing.])
fi
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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)
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AC_MSG_CHECKING([protocols])
protocols=`echo "$with_protocols" | sed 's/,/ /g'`
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if test "$protocols" = no ; then protocols= ; fi
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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)
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AC_SUBST(protocols)
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case $sysdesc in
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	*/linux-22*|*/linux-v6*)
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		AC_CHECK_HEADER(linux/rtnetlink.h,,[AC_MSG_ERROR([Appropriate version of Linux kernel headers not found.])],[
#include <asm/types.h>
#include <sys/socket.h>
])
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		;;
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esac

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AC_CHECK_HEADER(syslog.h, [AC_DEFINE(HAVE_SYSLOG)])
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AC_CHECK_HEADER(alloca.h, [AC_DEFINE(HAVE_ALLOCA_H)])
AC_MSG_CHECKING(whether 'struct sockaddr' has sa_len)
AC_TRY_COMPILE([#include <sys/types.h>
  #include <sys/socket.h>
  ], [static struct sockaddr sa; int i = sizeof(sa.sa_len);],
  [AC_MSG_RESULT(yes)
  AC_DEFINE(HAVE_SIN_LEN,,sin_len)],
  AC_MSG_RESULT(no))
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BIRD_CHECK_INTEGERS
BIRD_CHECK_ENDIAN
BIRD_CHECK_STRUCT_ALIGN
BIRD_CHECK_TIME_T
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BIRD_CHECK_STRUCT_IP_MREQN
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if test "$enable_debug" = yes ; then
	AC_DEFINE(DEBUGGING)
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	if test "$enable_memcheck" = yes ; then
		AC_CHECK_LIB(dmalloc, dmalloc_debug)
		if test $ac_cv_lib_dmalloc_dmalloc_debug != yes ; then
			AC_CHECK_LIB(efence, malloc)
		fi
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	fi
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fi

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CLIENT=
CLIENT_LIBS=
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if test "$enable_client" = yes ; then
	CLIENT=client
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	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)))
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	AC_CHECK_LIB(readline, rl_callback_read_char, CLIENT_LIBS="-lreadline $CLIENT_LIBS $USE_TERMCAP_LIB",
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		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.]]), $USE_TERMCAP_LIB)
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	AC_CHECK_LIB(readline, rl_crlf, AC_DEFINE(HAVE_RL_CRLF),,$USE_TERMCAP_LIB)
	AC_CHECK_LIB(readline, rl_ding, AC_DEFINE(HAVE_RL_DING),,$USE_TERMCAP_LIB)
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fi
AC_SUBST(CLIENT)
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AC_SUBST(CLIENT_LIBS)
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mkdir -p $objdir/sysdep
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AC_CONFIG_HEADERS([$objdir/sysdep/autoconf.h:sysdep/autoconf.h.in])
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AC_CONFIG_COMMANDS([merge],[[export CPP="$CPP"
$srcdir/tools/mergedirs $srcdir $srcdir_rel $objdir $sysdep_dirs]],
	[[srcdir=$srcdir]
	[srcdir_rel=$srcdir_rel]
	[objdir=$objdir]
	[sysdep_dirs="$sysdep_dirs"]])
AC_CONFIG_FILES($makefiles)
AC_OUTPUT
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cat >&AC_FD_MSG <<EOF

BIRD was configured with the following options:
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	Source directory:	$srcdir
	Object directory:	$objdir
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	System configuration:	$sysdesc
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	Debugging:		$enable_debug
	Routing protocols:	$protocols
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	Client:			$enable_client
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EOF
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rm -f $objdir/.*-stamp