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configure.ac
executable file
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configure.ac
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##
## Configure template file for FRRouting.
## autoconf will generate configure script.
##
## Copyright (c) 1996, 97, 98, 99, 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
## Portions Copyright (c) 2003 Paul Jakma <paul@dishone.st>
##
AC_PREREQ(2.60)
AC_INIT(frr, 3.1-dev, [https://github.com/frrouting/frr/issues])
PACKAGE_URL="https://frrouting.org/"
PACKAGE_FULLNAME="FRRouting"
AC_SUBST(PACKAGE_FULLNAME)
CONFIG_ARGS="$ac_configure_args"
AC_SUBST(CONFIG_ARGS)
AC_CONFIG_SRCDIR(lib/zebra.h)
AC_CONFIG_MACRO_DIR([m4])
dnl -----------------------------------
dnl Get hostname and other information.
dnl -----------------------------------
AC_CANONICAL_BUILD()
AC_CANONICAL_HOST()
AC_CANONICAL_TARGET()
# Disable portability warnings -- our automake code (in particular
# common.am) uses some constructs specific to gmake.
AM_INIT_AUTOMAKE([1.12 -Wno-portability])
m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
AM_SILENT_RULES([yes])
AC_CONFIG_HEADERS(config.h)
AC_PATH_PROG(PERL, perl)
PKG_PROG_PKG_CONFIG
dnl default is to match previous behavior
exampledir=${sysconfdir}
AC_ARG_ENABLE([exampledir],
AS_HELP_STRING([--enable-exampledir],
[specify alternate directory for examples]),
exampledir="$enableval",)
dnl XXX add --exampledir to autoconf standard directory list somehow
AC_SUBST(exampledir)
dnl default is to match previous behavior
pkgsrcrcdir=""
pkgsrcdir=""
AC_ARG_ENABLE([pkgsrcrcdir],
AS_HELP_STRING([--enable-pkgsrcrcdir],
[specify directory for rc.d scripts]),
pkgsrcrcdir="$enableval"; pkgsrcdir="pkgsrc",)
dnl XXX add --pkgsrcrcdir to autoconf standard directory list somehow
AC_SUBST(pkgsrcdir)
AC_SUBST(pkgsrcrcdir)
AC_ARG_WITH([moduledir], [AS_HELP_STRING([--with-moduledir=DIR], [module directory (${libdir}/frr/modules)])], [
moduledir="$withval"
], [
moduledir="\${libdir}/frr/modules"
])
AC_SUBST([moduledir], [$moduledir])
AC_ARG_ENABLE(tcmalloc,
AS_HELP_STRING([--enable-tcmalloc], [Turn on tcmalloc]),
[case "${enableval}" in
yes) tcmalloc_enabled=true
LIBS="$LIBS -ltcmalloc_minimal"
;;
no) tcmalloc_enabled=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-tcmalloc) ;;
esac],[tcmalloc_enabled=false])
dnl Thanks autoconf, but we don't want a default -g -O2. We have our own
dnl flag determination logic.
CFLAGS="${CFLAGS:-}"
dnl --------------------
dnl Check CC and friends
dnl --------------------
dnl note orig_cflags is also used further down
orig_cflags="$CFLAGS"
AC_LANG([C])
AC_PROG_CC
AC_PROG_CPP
AM_PROG_CC_C_O
dnl remove autoconf default "-g -O2"
CFLAGS="$orig_cflags"
AC_PROG_CC_C99
dnl NB: see C11 below
AC_PROG_EGREP
PKG_PROG_PKG_CONFIG
dnl autoconf 2.59 appears not to support AC_PROG_SED
dnl AC_PROG_SED
AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
dnl try and enable CFLAGS that are useful for Quagga
dnl - specifically, options to control warnings
AC_USE_SYSTEM_EXTENSIONS
AC_DEFUN([AC_C_FLAG], [{
AC_LANG_PUSH(C)
ac_c_flag_save="$CFLAGS"
CFLAGS="$CFLAGS $1"
AC_MSG_CHECKING([[whether $CC supports $1]])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[]])],
[
AC_MSG_RESULT([yes])
m4_if([$3], [], [], [
CFLAGS="$ac_c_flag_save"
$3
])
], [
CFLAGS="$ac_c_flag_save"
AC_MSG_RESULT([no])
$2
])
AC_LANG_POP(C)
}])
dnl ICC won't bail on unknown options without -diag-error 10006
dnl need to do this first so we get useful results for the other options
AC_C_FLAG([-diag-error 10006])
dnl AC_PROG_CC_C99 may change CC to include -std=gnu99 or something
ac_cc="$CC"
CC="${CC% -std=gnu99}"
CC="${CC% -std=c99}"
AC_C_FLAG([-std=gnu11], [CC="$ac_cc"], [CC="$CC -std=gnu11"])
dnl if the user specified any CFLAGS, we don't add "-g -Os/-O2" here
if test "z$orig_cflags" = "z"; then
AC_C_FLAG([-g])
AC_C_FLAG([-Os], [
AC_C_FLAG([-O2])
])
fi
dnl always want these CFLAGS
AC_C_FLAG([-fno-omit-frame-pointer])
AC_C_FLAG([-Wall])
AC_C_FLAG([-Wextra])
AC_C_FLAG([-Wmissing-prototypes])
AC_C_FLAG([-Wmissing-declarations])
AC_C_FLAG([-Wpointer-arith])
AC_C_FLAG([-Wbad-function-cast])
AC_C_FLAG([-Wwrite-strings])
if test x"${enable_gcc_ultra_verbose}" = x"yes" ; then
AC_C_FLAG([-Wcast-qual])
AC_C_FLAG([-Wstrict-prototypes])
AC_C_FLAG([-Wmissing-noreturn])
AC_C_FLAG([-Wmissing-format-attribute])
AC_C_FLAG([-Wunreachable-code])
AC_C_FLAG([-Wpacked])
AC_C_FLAG([-Wpadded])
else
AC_C_FLAG([-Wno-unused-result])
fi
AC_C_FLAG([-Wno-unused-parameter])
AC_C_FLAG([-Wno-missing-field-initializers])
dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
dnl for some reason the string consts get 'promoted' to char *,
dnl triggering a const to non-const conversion warning.
AC_C_FLAG([-diag-disable 3179])
if test x"${enable_werror}" = x"yes" ; then
WERROR="-Werror"
fi
AC_SUBST(WERROR)
dnl need link on this one, not compile
AC_LANG_PUSH(C)
ac_ld_flag_save="$LDFLAGS"
LDFLAGS="$LDFLAGS -rdynamic"
AC_MSG_CHECKING([[whether linker supports -rdynamic]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[]])],
[AC_MSG_RESULT([yes])],
[
LDFLAGS="$ac_ld_flag_save"
AC_MSG_RESULT([no])
])
AC_LANG_POP(C)
dnl ----------
dnl Essentials
dnl ----------
AX_PTHREAD([
CC="$PTHREAD_CC"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
LIBS="$PTHREAD_LIBS $LIBS"
], [
AC_MSG_FAILURE([This Quagga version needs pthreads])
])
dnl --------------
dnl Check programs
dnl --------------
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_CHECK_TOOL(AR, ar)
dnl -----------------
dnl System extensions
dnl -----------------
AC_GNU_SOURCE
dnl -------
dnl libtool
dnl -------
LT_INIT
dnl ----------------------
dnl Packages configuration
dnl ----------------------
AC_ARG_WITH(pkg-extra-version,
AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]),
[EXTRAVERSION=$withval],)
AC_ARG_WITH(pkg-git-version,
AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
[ test "x$withval" != "xno" && with_pkg_git_version="yes" ])
AC_ARG_WITH(vtysh_pager,
AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]),
VTYSH_PAGER=$withval, VTYSH_PAGER="more")
AC_ARG_ENABLE(vtysh,
AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for Quagga]))
AC_ARG_ENABLE(doc,
AS_HELP_STRING([--disable-doc], [do not build docs]))
AC_ARG_ENABLE(zebra,
AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
AC_ARG_ENABLE(bgpd,
AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
AC_ARG_ENABLE(ripd,
AS_HELP_STRING([--disable-ripd], [do not build ripd]))
AC_ARG_ENABLE(ripngd,
AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
AC_ARG_ENABLE(ospfd,
AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
AC_ARG_ENABLE(ospf6d,
AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
AC_ARG_ENABLE(ldpd,
AS_HELP_STRING([--enable-ldpd], [build ldpd]))
AC_ARG_ENABLE(nhrpd,
AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
AC_ARG_ENABLE(eigrpd,
AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd]))
AC_ARG_ENABLE(watchfrr,
AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
AC_ARG_ENABLE(isisd,
AS_HELP_STRING([--disable-isisd], [do not build isisd]))
AC_ARG_ENABLE(pimd,
AS_HELP_STRING([--disable-pimd], [do not build pimd]))
AC_ARG_ENABLE(bgp-announce,
AS_HELP_STRING([--disable-bgp-announce,], [turn off BGP route announcement]))
AC_ARG_ENABLE(bgp-vnc,
AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
AC_ARG_WITH(rfp-path,
AS_HELP_STRING([--with-rfp-path[=DIR]],[path to replaced stub RFP used with BGP VNC]))
AC_ARG_ENABLE(snmp,
AS_HELP_STRING([--enable-snmp=ARG], [enable SNMP support (smux or agentx)]))
AC_ARG_WITH(libpam,
AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
AC_ARG_ENABLE(tcp-zebra,
AS_HELP_STRING([--enable-tcp-zebra], [enable TCP/IP socket connection between zebra and protocol daemon]))
AC_ARG_ENABLE(ospfapi,
AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
AC_ARG_ENABLE(ospfclient,
AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
(this is the default if --disable-ospfapi is set)]))
AC_ARG_ENABLE(multipath,
AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
AC_ARG_ENABLE(user,
AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
AC_ARG_ENABLE(group,
AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
AC_ARG_ENABLE(vty_group,
AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
AC_ARG_ENABLE(configfile_mask,
AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
AC_ARG_ENABLE(logfile_mask,
AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
AC_ARG_ENABLE(shell_access,
AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
AC_ARG_ENABLE(rtadv,
AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
AC_ARG_ENABLE(irdp,
AS_HELP_STRING([--enable-irdp], [enable IRDP server support in zebra]))
AC_ARG_ENABLE(capabilities,
AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
AC_ARG_ENABLE(rusage,
AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
AC_ARG_ENABLE(gcc_ultra_verbose,
AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
AC_ARG_ENABLE(linux24_tcp_md5,
AS_HELP_STRING([--enable-linux24-tcp-md5], [enable support for old, Linux-2.4 RFC2385 patch]))
AC_ARG_ENABLE(backtrace,
AS_HELP_STRING([--disable-backtrace,], [disable crash backtraces (default autodetect)]))
AC_ARG_ENABLE(time-check,
AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
AC_ARG_ENABLE(pcreposix,
AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
AC_ARG_ENABLE(fpm,
AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
AC_ARG_ENABLE(systemd,
AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
AC_ARG_ENABLE(poll,
AS_HELP_STRING([--enable-poll], [enable usage of Poll instead of select]))
AC_ARG_ENABLE(werror,
AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
AC_ARG_ENABLE(cumulus,
AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
AC_ARG_ENABLE(datacenter,
AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
AC_ARG_ENABLE(rr-semantics,
AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
AC_ARG_ENABLE([protobuf],
AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
AC_ARG_ENABLE([oldvpn_commands],
AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
AC_CHECK_HEADERS(json-c/json.h)
AC_CHECK_LIB(json-c, json_object_get, LIBS="$LIBS -ljson-c")
if test $ac_cv_lib_json_c_json_object_get = no; then
AC_CHECK_LIB(json, json_object_get, LIBS="$LIBS -ljson")
if test $ac_cv_lib_json_json_object_get = no; then
AC_MSG_ERROR([lib json is needed to compile])
fi
fi
AC_ARG_ENABLE([dev_build],
AS_HELP_STRING([--enable-dev-build], [build for development]))
if test x"${enable_time_check}" != x"no" ; then
if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
AC_DEFINE(CONSUMED_TIME_CHECK,5000000,Consumed Time Check)
else
AC_DEFINE_UNQUOTED(CONSUMED_TIME_CHECK,$enable_time_check,Consumed Time Check)
fi
fi
case "${enable_systemd}" in
"no") ;;
"yes")
AC_CHECK_LIB(systemd, sd_notify, LIBS="$LIBS -lsystemd")
if test $ac_cv_lib_systemd_sd_notify = no; then
AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
else
AC_DEFINE(HAVE_SYSTEMD,,Compile systemd support in)
fi
;;
"*") ;;
esac
if test "${enable_rr_semantics}" != "no" ; then
AC_DEFINE(HAVE_V6_RR_SEMANTICS,, Compile in v6 Route Replacement Semantics)
fi
if test "${enable_poll}" = "yes" ; then
AC_DEFINE(HAVE_POLL_CALL,,Compile systemd support in)
fi
dnl ----------
dnl MPLS check
dnl ----------
AC_MSG_CHECKING(whether this OS has MPLS stack)
case "$host" in
*-linux*)
MPLS_METHOD="zebra_mpls_netlink.o zebra_mpls.o"
AC_MSG_RESULT(Linux MPLS)
;;
*-openbsd*)
MPLS_METHOD="zebra_mpls_openbsd.o zebra_mpls.o"
AC_MSG_RESULT(OpenBSD MPLS)
;;
*)
MPLS_METHOD="zebra_mpls_null.o"
AC_MSG_RESULT(Unsupported kernel)
;;
esac
AC_SUBST(MPLS_METHOD)
if test "${enable_datacenter}" = "yes" ; then
AC_DEFINE(HAVE_DATACENTER,,Compile extensions for a DataCenter)
DFLT_NAME="datacenter"
else
DFLT_NAME="traditional"
fi
if test "${enable_cumulus}" = "yes" ; then
AC_DEFINE(HAVE_CUMULUS,,Compile Special Cumulus Code in)
fi
AC_SUBST(DFLT_NAME)
AC_DEFINE_UNQUOTED(DFLT_NAME,["$DFLT_NAME"], Name of the configuration default set)
if test "${enable_shell_access}" = "yes"; then
AC_DEFINE(HAVE_SHELL_ACCESS,,Allow user to use ssh/telnet/bash)
fi
AM_CONDITIONAL([FPM], [test "x$enable_fpm" = "xyes"])
if test "x${enable_dev_build}" = "xyes"; then
AC_DEFINE(DEV_BUILD,,Build for development)
fi
AM_CONDITIONAL([DEV_BUILD], [test "x$enable_dev_build" = "xyes"])
#
# Logic for protobuf support.
#
if test "$enable_protobuf" = "yes"; then
have_protobuf=yes
# Check for protoc-c
AC_CHECK_PROG([PROTOC_C], [protoc-c], [protoc-c], [/bin/false])
if test "x$PROTOC_C" = "x/bin/false"; then
have_protobuf=no
else
found_protobuf_c=no
PKG_CHECK_MODULES([PROTOBUF_C], libprotobuf-c >= 0.14,
[found_protobuf_c=yes],
[AC_MSG_RESULT([pkg-config did not find libprotobuf-c])])
if test "x$found_protobuf_c" = "xyes"; then
LDFLAGS="$LDFLAGS $PROTOBUF_C_LIBS"
CFLAGS="$CFLAGS $PROTOBUF_C_CFLAGS"
else
AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h], [],
[have_protobuf=no; AC_MSG_RESULT([Couldn't find google/protobuf-c.h])])
fi
fi
fi
#
# Logic for old vpn commans support.
#
if test "$enable_oldvpn_commands" = "yes"; then
AC_DEFINE(KEEP_OLD_VPN_COMMANDS,, [Define for compiling with old vpn commands])
fi
# Fail if the user explicity enabled protobuf support and we couldn't
# find the compiler or libraries.
if test "x$have_protobuf" = "xno" && test "x$enable_protobuf" = "xyes"; then
AC_MSG_ERROR([Protobuf enabled explicitly but can't find libraries/tools])
fi
if test "x$have_protobuf" = "xyes"; then
AC_DEFINE(HAVE_PROTOBUF,, protobuf)
fi
AM_CONDITIONAL([HAVE_PROTOBUF], [test "x$have_protobuf" = "xyes"])
#
# End of logic for protobuf support.
#
if test "${enable_tcp_zebra}" = "yes"; then
AC_DEFINE(HAVE_TCP_ZEBRA,,Use TCP for zebra communication)
fi
if test "${enable_linux24_tcp_md5}" = "yes"; then
AC_DEFINE(HAVE_TCP_MD5_LINUX24,,Old Linux 2.4 TCP MD5 Signature Patch)
fi
AC_MSG_CHECKING(if zebra should be configurable to send Route Advertisements)
if test "${enable_rtadv}" != "no"; then
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_RTADV,,Enable IPv6 Routing Advertisement support)
else
AC_MSG_RESULT(no)
fi
if test "${enable_irdp}" = "yes"; then
AC_DEFINE(HAVE_IRDP,, IRDP )
fi
if test x"${enable_user}" = x"no"; then
enable_user=""
else
if test x"${enable_user}" = x"yes" || test x"${enable_user}" = x""; then
enable_user="frr"
fi
AC_DEFINE_UNQUOTED(FRR_USER, "${enable_user}", frr User)
fi
if test x"${enable_group}" = x"no"; then
enable_group=""
else
if test x"${enable_group}" = x"yes" || test x"${enable_group}" = x""; then
enable_group="frr"
fi
AC_DEFINE_UNQUOTED(FRR_GROUP, "${enable_group}", frr Group)
fi
if test x"${enable_vty_group}" = x"yes" ; then
AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
elif test x"${enable_vty_group}" != x""; then
if test x"${enable_vty_group}" != x"no"; then
AC_DEFINE_UNQUOTED(VTY_GROUP, "${enable_vty_group}", VTY Sockets Group)
fi
fi
AC_SUBST([enable_user])
AC_SUBST([enable_group])
AC_SUBST([enable_vty_group])
enable_configfile_mask=${enable_configfile_mask:-0600}
AC_DEFINE_UNQUOTED(CONFIGFILE_MASK, ${enable_configfile_mask}, Mask for config files)
enable_logfile_mask=${enable_logfile_mask:-0600}
AC_DEFINE_UNQUOTED(LOGFILE_MASK, ${enable_logfile_mask}, Mask for log files)
MPATH_NUM=1
case "${enable_multipath}" in
0)
MPATH_NUM=64
;;
[[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
MPATH_NUM="${enable_multipath}"
;;
"")
;;
*)
AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
;;
esac
AC_DEFINE_UNQUOTED(MULTIPATH_NUM, $MPATH_NUM, Maximum number of paths for a route)
AC_DEFINE_UNQUOTED(VTYSH_PAGER, "$VTYSH_PAGER", [What pager to use])
dnl -----------------------------------
dnl Add extra version string to package
dnl name, string and version fields.
dnl -----------------------------------
if test "x${EXTRAVERSION}" != "x" ; then
VERSION="${VERSION}${EXTRAVERSION}"
PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
fi
if test "x$with_pkg_git_version" = "xyes"; then
if test -d "${srcdir}/.git"; then
AC_DEFINE(GIT_VERSION, [1], [include git version info])
else with_pkg_git_version="no"
AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
fi
fi
AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
dnl ------------------------------------
dnl Check C keywords and standard types
dnl ------------------------------------
AC_C_CONST
AC_C_INLINE
AC_C_VOLATILE
AC_HEADER_STDC
dnl AC_TYPE_PID_T
AC_TYPE_UID_T
AC_TYPE_MODE_T
AC_TYPE_SIZE_T
AC_STRUCT_TM
dnl -------------------------
dnl Check other header files.
dnl -------------------------
AC_CHECK_HEADERS([stropts.h sys/ksym.h \
linux/version.h asm/types.h \
sys/cdefs.h])
ac_stdatomic_ok=false
AC_DEFINE(FRR_AUTOCONF_ATOMIC, 1, [did autoconf checks for atomic funcs])
AC_CHECK_HEADER([stdatomic.h],[
AC_MSG_CHECKING([whether _Atomic qualifier works])
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <stdatomic.h>
int main(int argc, char **argv) {
_Atomic int i = 0;
return i;
}
]])], [
AC_DEFINE(HAVE_STDATOMIC_H, 1, [found stdatomic.h])
AC_MSG_RESULT([yes])
ac_stdatomic_ok=true
], [
AC_MSG_RESULT([no])
])
])
AS_IF([$ac_stdatomic_ok], [true], [
AC_MSG_CHECKING([for __atomic_* builtins])
AC_LINK_IFELSE([AC_LANG_SOURCE([[
int main(int argc, char **argv) {
volatile int i = 1;
__atomic_store_n (&i, 0, __ATOMIC_RELEASE);
return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
}
]])], [
AC_DEFINE(HAVE___ATOMIC, 1, [found __atomic builtins])
AC_MSG_RESULT([yes])
], [
AC_MSG_RESULT([no])
dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
AC_MSG_CHECKING([for __sync_* builtins])
AC_LINK_IFELSE([AC_LANG_SOURCE([[
int main(int argc, char **argv) {
volatile int i = 1;
__sync_fetch_and_sub (&i, 1);
return __sync_val_compare_and_swap (&i, 0, 1);
}
]])], [
AC_DEFINE(HAVE___SYNC, 1, [found __sync builtins])
AC_MSG_RESULT([yes])
AC_MSG_CHECKING([for __sync_swap builtin])
AC_LINK_IFELSE([AC_LANG_SOURCE([[
int main(int argc, char **argv) {
volatile int i = 1;
return __sync_swap (&i, 2);
}
]])], [
AC_DEFINE(HAVE___SYNC_SWAP, 1, [found __sync_swap builtin])
AC_MSG_RESULT([yes])
], [
AC_MSG_RESULT([no])
])
], [
AC_MSG_RESULT([no])
AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
])
])
])
dnl Utility macro to avoid retyping includes all the time
m4_define([FRR_INCLUDES],
[#ifdef SUNOS_5
#define _XPG4_2
#define __EXTENSIONS__
#endif
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <sys/types.h>
/* sys/conf.h depends on param.h on FBSD at least */
#include <sys/param.h>
/* Required for MAXSIG */
#include <signal.h>
#include <sys/socket.h>
#ifdef __APPLE__
# define __APPLE_USE_RFC_3542
#endif
#include <netinet/in.h>
#include <sys/time.h>
#include <time.h>
#include <net/if.h>
])dnl
dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
dnl an additional round for it.
AC_CHECK_HEADERS([net/if_var.h], [], [], FRR_INCLUDES)
m4_define([FRR_INCLUDES],
FRR_INCLUDES
[#if HAVE_NET_IF_VAR_H
# include <net/if_var.h>
#endif
])dnl
AC_CHECK_HEADERS([netinet/in_var.h \
net/if_dl.h net/netopt.h \
inet/nd.h netinet/ip_icmp.h \
sys/sysctl.h sys/sockio.h kvm.h sys/conf.h],
[], [], FRR_INCLUDES)
AC_CHECK_HEADERS([ucontext.h], [], [],
[#ifndef __USE_GNU
#define __USE_GNU
#endif /* __USE_GNU */
FRR_INCLUDES
])
m4_define([UCONTEXT_INCLUDES],
[#include <ucontext.h>])dnl
AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
[], [], [UCONTEXT_INCLUDES])
AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
[AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
[], [], [UCONTEXT_INCLUDES])],
[], [UCONTEXT_INCLUDES])
AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
[], [], [UCONTEXT_INCLUDES])
m4_define([FRR_INCLUDES],
FRR_INCLUDES
[
#include <sys/un.h>
#include <netinet/in_systm.h>
#if HAVE_NETINET_IN_VAR_H
# include <netinet/in_var.h>
#endif
#if HAVE_NET_IF_DL_H
# include <net/if_dl.h>
#endif
#if HAVE_NET_NETOPT_H
# include <net/netopt.h>
#endif
#include <net/route.h>
#if HAVE_INET_ND_H
# include <inet/nd.h>
#endif
#include <arpa/inet.h>
/* Required for IDRP */
#if HAVE_NETINET_IP_ICMP_H
# include <netinet/ip_icmp.h>
#endif
])dnl
dnl V6 headers are checked below, after we check for v6
dnl Some systems (Solaris 2.x) require libnsl (Network Services Library)
case "$host" in
[*-sunos5.[6-7]*] | [*-solaris2.[6-7]*])
opsys=sol2-6
AC_DEFINE(SUNOS_56, 1, SunOS 5.6 to 5.7)
AC_DEFINE(SUNOS_5, 1, SunOS 5)
AC_CHECK_LIB(xnet, main)
CURSES=-lcurses
SOLARIS="solaris"
;;
[*-sunos5.[8-9]] \
| [*-sunos5.1[0-9]] \
| [*-sunos5.1[0-9].[0-9]] \
| [*-solaris2.[8-9]] \
| [*-solaris2.1[0-9]] \
| [*-solaris2.1[0-9].[0-9]])
opsys=sol8
AC_DEFINE(SUNOS_59, 1, [SunOS 5.8 up])
AC_DEFINE(SUNOS_5, 1, [SunOS 5])
AC_CHECK_LIB(socket, main)
AC_CHECK_LIB(nsl, main)
AC_CHECK_LIB(umem, main)
AC_CHECK_FUNCS([printstack],
[AC_DEFINE([HAVE_PRINTSTACK],1,[Solaris printstack])
AC_DEFINE([HAVE_STACK_TRACE],1,[Stack symbols decode functionality])
])
CURSES=-lcurses
SOLARIS="solaris"
;;
*-sunos5* | *-solaris2*)
AC_DEFINE(SUNOS_5,,SunOS 5, Unknown SunOS)
AC_CHECK_LIB(socket, main)
AC_CHECK_LIB(nsl, main)
CURSES=-lcurses
SOLARIS="solaris"
;;
*-linux*)
opsys=gnu-linux
AC_DEFINE(GNU_LINUX,,GNU Linux)
;;
*-openbsd*)
opsys=openbsd
AC_DEFINE(OPEN_BSD,,OpenBSD)
;;
esac
AC_SYS_LARGEFILE
dnl ---------------------
dnl Integrated VTY option
dnl ---------------------
case "${enable_vtysh}" in
"no") VTYSH="";;
*) VTYSH="vtysh";
AC_DEFINE(VTYSH,,VTY shell)
dnl Vtysh uses libreadline, which looks for termcap functions at
dnl configure time. We follow readlines search order.
dnl The required procedures are in libtermcap on NetBSD, in
dnl [TODO] on Linux, and in [TODO] on Solaris.
AC_CHECK_LIB(termcap, tputs, LIBREADLINE="$LIBREADLINE -ltermcap",
[AC_CHECK_LIB(tinfo, tputs, LIBREADLINE="$LIBREADLINE -ltinfo",
[AC_CHECK_LIB(curses, tputs, LIBREADLINE="$LIBREADLINE -lcurses",
[AC_CHECK_LIB(ncurses, tputs,
LIBREADLINE="$LIBREADLINE -lncurses")]
)]
)]
)
AC_CHECK_LIB(readline, main, LIBREADLINE="-lreadline $LIBREADLINE",,
"$LIBREADLINE")
if test $ac_cv_lib_readline_main = no; then
AC_MSG_ERROR([vtysh needs libreadline but was not found and usable on your system.])
fi
AC_CHECK_HEADER(readline/history.h)
if test $ac_cv_header_readline_history_h = no;then
AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
fi
AC_CHECK_LIB(readline, rl_completion_matches,
LIBREADLINE="$LIBREADLINE",, "$LIBREADLINE")
if test $ac_cv_lib_readline_rl_completion_matches = no; then
AC_DEFINE(rl_completion_matches,completion_matches,Old readline)
fi
;;
esac
AC_SUBST(LIBREADLINE)
AM_CONDITIONAL(VTYSH, test "x$VTYSH" = "xvtysh")
dnl ----------
dnl PAM module
dnl
dnl Quagga detects the PAM library it is built against by checking for a
dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
dnl is known to #include pam_appl.h, the standard header of a PAM library, and
dnl openpam.h doesn't do that, although depends on the header too. Hence a
dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
dnl of OpenPAM.
dnl ----------
if test "$with_libpam" = "yes"; then
AC_CHECK_HEADER([security/pam_misc.h],
[AC_DEFINE(HAVE_PAM_MISC_H,,Have pam_misc.h)
AC_DEFINE(PAM_CONV_FUNC,misc_conv,Have misc_conv)
pam_conv_func="misc_conv"
],
[], FRR_INCLUDES)
AC_CHECK_HEADER([security/openpam.h],
[AC_DEFINE(HAVE_OPENPAM_H,,Have openpam.h)
AC_DEFINE(PAM_CONV_FUNC,openpam_ttyconv,Have openpam_ttyconv)
pam_conv_func="openpam_ttyconv"
],
[], FRR_INCLUDES[#include <security/pam_appl.h>])
if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
AC_MSG_WARN([*** pam support will not be built ***])
with_libpam="no"
fi
fi
if test "$with_libpam" = "yes"; then
dnl took this test from proftpds configure.in and suited to our needs
dnl -------------------------------------------------------------------------
dnl
dnl This next check looks funky due to a linker problem with some versions
dnl of the PAM library. Prior to 0.72 release, the Linux PAM shared library
dnl omitted requiring libdl linking information. PAM-0.72 or better ships
dnl with RedHat 6.2 and Debian 2.2 or better.
AC_CHECK_LIB(pam, pam_start,
[AC_CHECK_LIB(pam, $pam_conv_func,
[AC_DEFINE(USE_PAM,,Use PAM for authentication)
LIBPAM="-lpam"],
[AC_DEFINE(USE_PAM,,Use PAM for authentication)
LIBPAM="-lpam -lpam_misc"]
)
],
[AC_CHECK_LIB(pam, pam_end,
[AC_CHECK_LIB(pam, $pam_conv_func,
[AC_DEFINE(USE_PAM,,Use PAM for authentication)
LIBPAM="-lpam -ldl"],
[AC_DEFINE(USE_PAM,,Use PAM for authentication)
LIBPAM="-lpam -ldl -lpam_misc"]
)
],AC_MSG_WARN([*** pam support will not be built ***]),
[-ldl])
]
)
fi
AC_SUBST(LIBPAM)
dnl -------------------------------
dnl Endian-ness check
dnl -------------------------------
AC_WORDS_BIGENDIAN
dnl -------------------------------
dnl check the size in byte of the C
dnl -------------------------------
dnl AC_CHECK_SIZEOF(char)
dnl AC_CHECK_SIZEOF(int)
dnl AC_CHECK_SIZEOF(short)
dnl AC_CHECK_SIZEOF(long)
dnl ----------------------------
dnl check existance of functions
dnl ----------------------------
AC_FUNC_FNMATCH
AC_FUNC_FORK
AC_FUNC_MKTIME
AC_FUNC_STAT
dnl -------------------------------
dnl bgpd needs pow() and hence libm
dnl -------------------------------
TMPLIBS="$LIBS"
AC_CHECK_HEADER([math.h],
[AC_CHECK_LIB([m], [pow],
[LIBM="-lm"
LIBS="$LIBS $LIBM"
AC_CHECK_FUNCS(pow,[],[LIBM=""])
])
])
if test x"$LIBM" = x ; then
AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
fi
LIBS="$TMPLIBS"
AC_SUBST(LIBM)
dnl ---------------
dnl other functions
dnl ---------------
AC_CHECK_FUNCS([ \
strlcat strlcpy \
getgrouplist \
pledge])
AC_CHECK_HEADER([asm-generic/unistd.h],
[AC_CHECK_DECL(__NR_setns,
AC_DEFINE(HAVE_NETNS,, Have netns),,
FRR_INCLUDES [#include <asm-generic/unistd.h>
])
AC_CHECK_FUNCS(setns)]
)
dnl ------------------------------------
dnl Determine routing get and set method
dnl ------------------------------------
AC_MSG_CHECKING(zebra between kernel interface method)
if test x"$opsys" = x"gnu-linux"; then
AC_MSG_RESULT(netlink)
RT_METHOD=rt_netlink.o
KERNEL_METHOD=kernel_netlink.o
AC_DEFINE(HAVE_NETLINK,,netlink)
netlink=yes
AC_CHECK_DECLS([IFLA_INFO_SLAVE_KIND], [], [], [#include <linux/if_link.h>])
else
AC_MSG_RESULT(Route socket)
KERNEL_METHOD="kernel_socket.o"
RT_METHOD="rt_socket.o"
fi
AC_SUBST(RT_METHOD)
AC_SUBST(KERNEL_METHOD)
AM_CONDITIONAL([HAVE_NETLINK], [test "x$netlink" = "xyes"])
dnl --------------------------
dnl Determine IS-IS I/O method
dnl --------------------------
AC_DEFINE(ISIS_METHOD_PFPACKET, 1, [ constant value for isis method pfpacket ])
AC_DEFINE(ISIS_METHOD_DLPI, 2, [ constant value for isis method dlpi ])
AC_DEFINE(ISIS_METHOD_BPF, 3, [ constant value for isis method bpf ])
AC_CHECK_HEADER(net/bpf.h)
AC_CHECK_HEADER(sys/dlpi.h)
AC_MSG_CHECKING(zebra IS-IS I/O method)
if test x"$opsys" = x"gnu-linux"; then
AC_MSG_RESULT(pfpacket)
ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
elif test x"$opsys" = x"sol2-6" -o x"$opsys" = x"sol8"; then
AC_MSG_RESULT(DLPI)
ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
else
if test $ac_cv_header_net_bpf_h = no; then
if test $ac_cv_header_sys_dlpi_h = no; then
AC_MSG_RESULT(none)
AC_MSG_WARN([*** IS-IS support will not be built ***])
ISISD=""
else
AC_MSG_RESULT(DLPI)
fi
ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
else
AC_MSG_RESULT(BPF)
ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
fi
fi
AC_DEFINE_UNQUOTED(ISIS_METHOD, $ISIS_METHOD_MACRO, [ selected method for isis, == one of the constants ])
dnl ------------------------------------
dnl check for broken CMSG_FIRSTHDR macro
dnl ------------------------------------
AC_MSG_CHECKING(for broken CMSG_FIRSTHDR)
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#ifdef SUNOS_5
#define _XPG4_2
#define __EXTENSIONS__
#endif
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
main()