bird/configure.ac

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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_INIT
AC_CONFIG_SRCDIR([conf/confbase.Y])
AC_CONFIG_AUX_DIR([tools])
AC_ARG_ENABLE([client],
[AS_HELP_STRING([--enable-client], [enable building of BIRD client @<:@yes@:>@])],
[],
[enable_client=yes]
)
AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug], [enable internal debugging routines @<:@no@:>@])],
[],
[enable_debug=no]
)
AC_ARG_ENABLE([debug-generated],
[AS_HELP_STRING([--enable-debug-generated], [enable this to abstain from generating #line @<:@no@:>@])],
[],
[enable_debug_generated=no]
)
AC_ARG_ENABLE([memcheck],
[AS_HELP_STRING([--enable-memcheck], [check memory allocations when debugging @<:@yes@:>@])],
[],
[enable_memcheck=yes]
)
AC_ARG_ENABLE([pthreads],
[AS_HELP_STRING([--enable-pthreads], [enable POSIX threads support @<:@try@:>@])],
[],
[enable_pthreads=try]
)
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AC_ARG_ENABLE([libssh],
[AS_HELP_STRING([--enable-libssh], [enable LibSSH support together with RPKI @<:@try@:>@])],
[],
[enable_libssh=try]
)
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AC_ARG_ENABLE([mpls-kernel],
[AS_HELP_STRING([--enable-mpls-kernel], [enable MPLS support in kernel protocol @<:@try@:>@])],
[],
[enable_mpls_kernel=try]
)
AC_ARG_WITH([protocols],
[AS_HELP_STRING([--with-protocols=LIST], [include specified routing protocols @<:@all@:>@])],
[],
[with_protocols="all"]
)
AC_ARG_WITH([sysconfig],
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[AS_HELP_STRING([--with-sysconfig=FILE], [use specified BIRD system configuration file])]
)
AC_ARG_WITH([runtimedir],
[AS_HELP_STRING([--with-runtimedir=PATH], [run-state data, obsolete variant of --runstatedir])],
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[runstatedir="$with_runtimedir"]
)
AC_ARG_WITH([iproutedir],
[AS_HELP_STRING([--with-iproutedir=PATH], [path to iproute2 config files @<:@/etc/iproute2@:>@])],
[given_iproutedir="yes"]
)
AC_ARG_VAR([FLEX], [location of the Flex program])
AC_ARG_VAR([BISON], [location of the Bison program])
AC_ARG_VAR([M4], [location of the M4 program])
if test "$srcdir" = . ; then
# Building in current directory => create obj directory holding all objects
objdir=obj
else
# Building in separate directory
objdir=.
fi
exedir=.
AC_SUBST([objdir])
AC_SUBST([exedir])
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AC_SUBST([srcdir])
# Workaround for older Autoconfs that do not define runstatedir
AS_IF([test -z "${runstatedir}"], [runstatedir='${localstatedir}/run'])
AC_SUBST([runstatedir])
CONFIG_FILE="\$(sysconfdir)/bird.conf"
AC_SUBST([CONFIG_FILE])
CONTROL_SOCKET="\$(runstatedir)/bird.ctl"
AC_SUBST([CONTROL_SOCKET])
AC_SEARCH_LIBS([clock_gettime], [rt posix4],
[],
[AC_MSG_ERROR([Function clock_gettime not available.])]
)
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AC_CANONICAL_HOST
# Store this value because ac_test_CFLAGS is overwritten by AC_PROG_CC
if test "$ac_test_CFLAGS" != set ; then
bird_cflags_default=yes
fi
AC_PROG_CC
AC_PROG_CC_C99
if test -z "$GCC" ; then
AC_MSG_ERROR([This program requires the GNU C Compiler.])
fi
BIRD_CHECK_THREAD_LOCAL
if test "$bird_cv_thread_local" = yes ; then
AC_DEFINE([HAVE_THREAD_LOCAL], [1], [Define to 1 if _Thread_local is available])
fi
if test "$enable_pthreads" != no ; then
BIRD_CHECK_PTHREADS
if test "$bird_cv_lib_pthreads" = yes ; then
AC_DEFINE([USE_PTHREADS], [1], [Define to 1 if pthreads are enabled])
CFLAGS="$CFLAGS -pthread"
LDFLAGS="$LDFLAGS -pthread"
proto_bfd=bfd
elif test "$enable_pthreads" = yes ; then
AC_MSG_ERROR([POSIX threads not available.])
fi
if test "$enable_pthreads" = try ; then
enable_pthreads="$bird_cv_lib_pthreads"
fi
fi
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if test "$bird_cflags_default" = yes ; then
BIRD_CHECK_GCC_OPTION([bird_cv_c_option_wno_pointer_sign], [-Wno-pointer-sign], [-Wall])
BIRD_CHECK_GCC_OPTION([bird_cv_c_option_wno_missing_init], [-Wno-missing-field-initializers], [-Wall -Wextra])
BIRD_CHECK_GCC_OPTION([bird_cv_c_option_fno_strict_aliasing], [-fno-strict-aliasing])
BIRD_CHECK_GCC_OPTION([bird_cv_c_option_fno_strict_overflow], [-fno-strict-overflow])
CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes -Wno-parentheses"
BIRD_ADD_GCC_OPTION([bird_cv_c_option_wno_pointer_sign], [-Wno-pointer-sign])
BIRD_ADD_GCC_OPTION([bird_cv_c_option_wno_missing_init], [-Wno-missing-field-initializers])
BIRD_ADD_GCC_OPTION([bird_cv_c_option_fno_strict_aliasing], [-fno-strict-aliasing])
BIRD_ADD_GCC_OPTION([bird_cv_c_option_fno_strict_overflow], [-fno-strict-overflow])
fi
AC_MSG_CHECKING([CFLAGS])
AC_MSG_RESULT([$CFLAGS])
if test "$enable_debug" = no; then
BIRD_CHECK_LTO
fi
if test "$bird_cv_c_lto" = yes; then
CFLAGS="$CFLAGS -flto"
LDFLAGS="$LDFLAGS -flto"
fi
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_RANLIB
AC_CHECK_PROG([FLEX], [flex], [flex])
AC_CHECK_PROG([BISON], [bison], [bison])
AC_CHECK_PROGS([M4], [gm4 m4])
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test -z "$FLEX" && AC_MSG_ERROR([Flex is missing.])
test -z "$BISON" && AC_MSG_ERROR([Bison is missing.])
test -z "$M4" && AC_MSG_ERROR([M4 is missing.])
AC_MSG_CHECKING([bison version])
BIRD_CHECK_BISON_VERSION(BISON_VERSION)
AC_MSG_RESULT([$BISON_VERSION])
if test "$bird_bison_synclines" = yes && test "$enable_debug_generated" = no; then
M4FLAGS="$M4FLAGS -s"
fi
if test "$bird_bison_enhanced_error" = yes; then
BISONFLAGS="$BISONFLAGS -Dparse.lac=full -Dparse.error=verbose"
fi
AC_SUBST([M4FLAGS])
AC_SUBST([BISONFLAGS])
BIRD_CHECK_PROG_FLAVOR_GNU([$M4],
[],
[AC_MSG_ERROR([Provided M4 is not GNU M4.])]
)
if test -n "$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
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case "$host_os" in
linux*)
sysdesc=linux
default_iproutedir="/etc/iproute2"
;;
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freebsd*)
sysdesc=bsd
CPPFLAGS="$CPPFLAGS -I/usr/local/include"
LDFLAGS="$LDFLAGS -L/usr/local/lib"
;;
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kfreebsd*)
sysdesc=bsd
;;
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netbsd*)
sysdesc=bsd
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CPPFLAGS="$CPPFLAGS -I/usr/pkg/include"
LDFLAGS="$LDFLAGS -L/usr/pkg/lib -R/usr/pkg/lib"
;;
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openbsd*)
sysdesc=bsd
;;
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dragonfly*)
sysdesc=bsd
;;
*)
AC_MSG_ERROR([Cannot determine correct system configuration. Please use --with-sysconfig to set it manually.])
;;
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esac
sysdesc=$srcdir/sysdep/cf/$sysdesc.h
fi
AC_MSG_CHECKING([which OS configuration should we use])
AC_MSG_RESULT([$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], ["$sysdesc"], [Which sysdep header to include])
AC_MSG_CHECKING([system-dependent directories])
sysdep_dirs="`sed <$sysdesc '/^Link: /!d;s/^Link: \(.*\)$/\1/' | tr '\012' ' '`"
AC_MSG_RESULT([$sysdep_dirs])
AC_SUBST([sysdep_dirs])
if test "$with_iproutedir" = no ; then with_iproutedir= ; fi
if test -n "$given_iproutedir"
then iproutedir=$with_iproutedir
else iproutedir=$default_iproutedir
fi
AC_SUBST([iproutedir])
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DAEMON_LIBS=
AC_SUBST(DAEMON_LIBS)
if test "$enable_libssh" != no ; then
AC_CHECK_HEADER([libssh/libssh.h], [true], [fail=yes], [ ])
AC_CHECK_LIB([ssh], [ssh_connect], [true], [fail=yes])
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if test "$fail" != yes ; then
AC_DEFINE([HAVE_LIBSSH], [1], [Define to 1 if you have the `ssh' library (-lssh).])
DAEMON_LIBS="-lssh $DAEMON_LIBS"
proto_rpki=rpki
enable_libssh=yes
else
if test "$enable_libssh" = yes ; then
AC_MSG_ERROR([LibSSH not available.])
else
enable_libssh=no
fi
fi
fi
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if test "$enable_mpls_kernel" != no ; then
BIRD_CHECK_MPLS_KERNEL
if test "$bird_cv_mpls_kernel" = yes ; then
AC_DEFINE([HAVE_MPLS_KERNEL], [1], [Define to 1 if kernel is MPLS capable])
elif test "$enable_mpls_kernel" = yes ; then
AC_MSG_ERROR([Kernel MPLS support not found.])
fi
if test "$enable_mpls_kernel" = try ; then
enable_mpls_kernel="$bird_cv_mpls_kernel"
fi
fi
all_protocols="$proto_bfd babel bgp mrt ospf perf pipe radv rip $proto_rpki static"
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all_protocols=`echo $all_protocols | sed 's/ /,/g'`
if test "$with_protocols" = all ; then
with_protocols="$all_protocols"
fi
AH_TEMPLATE([CONFIG_BABEL], [Babel protocol])
AH_TEMPLATE([CONFIG_BFD], [BFD protocol])
AH_TEMPLATE([CONFIG_BGP], [BGP protocol])
AH_TEMPLATE([CONFIG_MRT], [MRT protocol])
AH_TEMPLATE([CONFIG_OSPF], [OSPF protocol])
AH_TEMPLATE([CONFIG_PIPE], [Pipe protocol])
AH_TEMPLATE([CONFIG_RADV], [RAdv protocol])
AH_TEMPLATE([CONFIG_RIP], [RIP protocol])
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AH_TEMPLATE([CONFIG_RPKI], [RPKI protocol])
AH_TEMPLATE([CONFIG_STATIC], [Static protocol])
AC_MSG_CHECKING([protocols])
protocols=`echo "$with_protocols" | sed 's/,/ /g'`
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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])
case $sysdesc in
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*/linux*)
AC_CHECK_HEADER([linux/rtnetlink.h],
[],
[AC_MSG_ERROR([Appropriate version of Linux kernel headers not found.])],
[
dnl Some older versions of Linux kernel headers require these includes
#include <asm/types.h>
#include <sys/socket.h>
]
)
;;
esac
AC_CHECK_HEADERS_ONCE([alloca.h syslog.h])
AC_CHECK_MEMBERS([struct sockaddr.sa_len], [], [], [#include <sys/socket.h>])
AC_C_BIGENDIAN(
[AC_DEFINE([CPU_BIG_ENDIAN], [1], [Define to 1 if cpu is big endian])],
[AC_DEFINE([CPU_LITTLE_ENDIAN], [1], [Define to 1 if cpu is little endian])],
[AC_MSG_ERROR([Cannot determine CPU endianity.])]
)
BIRD_CHECK_ANDROID_GLOB
if test "$bird_cv_lib_glob" = no ; then
AC_MSG_ERROR([glob.h not found.])
elif test "$bird_cv_lib_glob" != yes ; then
LIBS="$LIBS $bird_cv_lib_glob"
fi
BIRD_CHECK_ANDROID_LOG
if test "$bird_cv_lib_log" = no ; then
AC_MSG_ERROR([don't know how to link syslog.])
elif test "$bird_cv_lib_log" != yes ; then
LIBS="$LIBS $bird_cv_lib_log"
fi
if test "$enable_debug" = yes ; then
AC_DEFINE([DEBUGGING], [1], [Define to 1 if debugging is enabled])
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LDFLAGS="$LDFLAGS -rdynamic"
CFLAGS="$CFLAGS -O0 -ggdb -g3"
BIRD_CHECK_GCC_OPTION([bird_cv_c_option_dwarf4], [-gdwarf-4], [])
BIRD_ADD_GCC_OPTION([bird_cv_c_option_dwarf4], [-gdwarf-4])
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AC_CHECK_HEADER([execinfo.h],
[
AC_DEFINE([HAVE_EXECINFO_H], [1], [Define to 1 if you have the <execinfo.h> header file.])
AC_SEARCH_LIBS([backtrace], [execinfo],
[],
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[AC_MSG_ERROR([Function backtrace not available.])]
)
]
)
if test "$enable_memcheck" = yes ; then
AC_CHECK_LIB([dmalloc], [dmalloc_debug])
if test $ac_cv_lib_dmalloc_dmalloc_debug != yes ; then
AC_CHECK_LIB([efence], [malloc])
fi
fi
else
BIRD_CHECK_GCC_OPTION([bird_cv_c_option_wno_implicit_fallthrough], [-Wno-implicit-fallthrough])
BIRD_ADD_GCC_OPTION([bird_cv_c_option_wno_implicit_fallthrough], [-Wno-implicit-fallthrough])
fi
CLIENT=birdcl
CLIENT_LIBS=
if test "$enable_client" = yes ; then
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CLIENT="$CLIENT birdc"
BASE_LIBS="$LIBS"
LIBS=""
AC_CHECK_HEADERS([curses.h],
[],
[AC_MSG_ERROR([The client requires ncurses library. Either install the library or use --disable-client to compile without the client.])],
[AC_INCLUDES_DEFAULT]
)
AC_SEARCH_LIBS([tgetent], [tinfo tinfow ncurses curses termcap],
[TINFO_LIBS="$LIBS"; LIBS=""],
[AC_MSG_ERROR([The client requires ncurses library. Either install the library or use --disable-client to compile without the client.])],
)
AC_CHECK_HEADERS([readline/readline.h readline/history.h],
[],
[AC_MSG_ERROR([The client requires GNU Readline library. Either install the library or use --disable-client to compile without the client.])],
[AC_INCLUDES_DEFAULT]
)
AC_SEARCH_LIBS([rl_callback_read_char], [readline],
[READLINE_LIBS="$LIBS"; LIBS=""],
[AC_MSG_ERROR([The client requires GNU Readline library. Either install the library or use --disable-client to compile without the client.])],
[$TINFO_LIBS]
)
AC_CHECK_LIB([readline], [rl_crlf],
[AC_DEFINE([HAVE_RL_CRLF], [1], [Define to 1 if you have rl_crlf()])],
[],
[$TINFO_LIBS]
)
AC_CHECK_LIB([readline], [rl_ding],
[AC_DEFINE([HAVE_RL_DING], [1], [Define to 1 if you have rl_ding()])],
[],
[$TINFO_LIBS]
)
LIBS="$BASE_LIBS"
CLIENT_LIBS="$READLINE_LIBS $TINFO_LIBS"
fi
AC_SUBST([CLIENT])
AC_SUBST([CLIENT_LIBS])
mkdir -p $objdir/sysdep
AC_CONFIG_HEADERS([$objdir/sysdep/autoconf.h:sysdep/autoconf.h.in])
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AC_CONFIG_FILES([Makefile:Makefile.in])
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AC_OUTPUT
AC_MSG_RESULT()
AC_MSG_RESULT([BIRD was configured with the following options:])
AC_MSG_RESULT([ Source directory: $srcdir])
AC_MSG_RESULT([ Object directory: $objdir])
AC_MSG_RESULT([ Iproute2 directory: $iproutedir])
AC_MSG_RESULT([ System configuration: $sysdesc])
AC_MSG_RESULT([ Debugging: $enable_debug])
AC_MSG_RESULT([ POSIX threads: $enable_pthreads])
AC_MSG_RESULT([ Routing protocols: $protocols])
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AC_MSG_RESULT([ Kernel MPLS support: $enable_mpls_kernel])
AC_MSG_RESULT([ Client: $enable_client])
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rm -f $objdir/.*-stamp