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configure.ac
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##
## Configure template file for FRRouting.
## autoconf will generate a configure script.
##
## Copyright (c) 1996, 97, 98, 99, 2000 Kunihiro Ishiguro <[email protected]>
## Portions Copyright (c) 2003 Paul Jakma <[email protected]>
##
AC_PREREQ([2.69])
AC_INIT([frr], [8.1-dev], [https://github.com/frrouting/frr/issues])
PACKAGE_URL="https://frrouting.org/"
AC_SUBST([PACKAGE_URL])
PACKAGE_FULLNAME="FRRouting"
AC_SUBST([PACKAGE_FULLNAME])
CONFIG_ARGS="`echo $ac_configure_args | sed -e \"s% '[[A-Z]]*FLAGS=[[^']]\+'%%g\"`"
AC_SUBST([CONFIG_ARGS])
AC_CONFIG_SRCDIR([lib/zebra.h])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_AUX_DIR([m4/ac])
dnl -----------------------------------
dnl Get hostname and other information.
dnl -----------------------------------
AC_CANONICAL_BUILD()
AC_CANONICAL_HOST()
AC_ARG_VAR([AR],[archiver command])
AC_ARG_VAR([LD],[linker command])
AC_ARG_VAR([OBJCOPY],[objcopy command])
AC_ARG_VAR([OBJDUMP],[objdump command])
AC_ARG_VAR([RANLIB],[ranlib command])
AC_ARG_VAR([STRIP],[strip command])
hosttools_clippy="false"
build_clippy="true"
dnl case 1: external clippy
if test -n "$with_clippy" -a "$with_clippy" != "no" -a "$with_clippy" != "yes"; then
if test "$enable_clippy_only" = "yes"; then
AC_MSG_ERROR([--enable-clippy-only does not make sense with --with-clippy])
fi
CLIPPY="$with_clippy"
build_clippy="false"
if test ! -x "$with_clippy"; then
AC_MSG_ERROR([clippy tool ($with_clippy) is not executable])
fi
dnl case 2: cross-compiling internal clippy
elif test "$host" != "$build"; then
if test "$srcdir" = "."; then
AC_MSG_ERROR([cross-compilation is only possible with builddir separate from srcdir or by building clippy separately and using the --with-clippy option. create a separate directory and run as .../path-to-frr/configure.])
fi
test -d hosttools || mkdir hosttools
abssrc="`cd \"${srcdir}\"; pwd`"
AC_MSG_NOTICE([...])
AC_MSG_NOTICE([... cross-compilation: creating hosttools directory and self-configuring for build platform tools])
AC_MSG_NOTICE([... use HOST_CPPFLAGS / HOST_CFLAGS / HOST_LDFLAGS if neccessary])
AC_MSG_NOTICE([...])
(
for var in $ac_precious_vars; do
dnl special cases
case "$var" in
YACC|YFLAGS) continue;;
PYTHON*) retain=true;;
*) retain=false;
esac
eval "hostvar=\"\${HOST_$var}\""
eval "targetvar=\"\${$var}\""
if test -n "$hostvar"; then
eval "$var='$hostvar'"
_AS_ECHO_LOG([host $var='$hostvar'])
elif $retain; then
_AS_ECHO_LOG([host retain $var='$targetvar'])
else
eval "unset $var"
_AS_ECHO_LOG([host unset $var])
fi
done
cd hosttools
"${abssrc}/configure" "--host=$build" "--build=$build" "--enable-clippy-only" "--disable-nhrpd" "--disable-vtysh"
) || exit 1
AC_MSG_NOTICE([...])
AC_MSG_NOTICE([... cross-compilation: finished self-configuring for build platform tools])
AC_MSG_NOTICE([...])
build_clippy="false"
hosttools_clippy="true"
CLIPPY="hosttools/lib/clippy"
dnl case 3: normal build internal clippy
else
CLIPPY="lib/clippy\$(EXEEXT)"
fi
AC_SUBST([CLIPPY])
AM_CONDITIONAL([BUILD_CLIPPY], [$build_clippy])
AM_CONDITIONAL([HOSTTOOLS_CLIPPY], [$hosttools_clippy])
AM_CONDITIONAL([ONLY_CLIPPY], [test "$enable_clippy_only" = "yes"])
# Disable portability warnings -- our automake code (in particular
# common.am) uses some constructs specific to gmake.
AM_INIT_AUTOMAKE([1.12 -Wno-portability foreign])
m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
AM_SILENT_RULES([yes])
AC_CONFIG_HEADERS([config.h])
AC_PATH_PROG([PERL], [perl])
PKG_PROG_PKG_CONFIG
dnl default is to match previous behavior
pkgsrcrcdir=""
AC_ARG_ENABLE([pkgsrcrcdir],
AS_HELP_STRING([--enable-pkgsrcrcdir],
[specify directory for rc.d scripts]),
pkgsrcrcdir="$enableval",)
dnl XXX add --pkgsrcrcdir to autoconf standard directory list somehow
AC_SUBST([pkgsrcrcdir])
AM_CONDITIONAL([PKGSRC], [test "$pkgsrcrcdir" != ""])
AC_ARG_WITH([moduledir], [AS_HELP_STRING([--with-moduledir=DIR], [module directory (${libdir}/frr/modules)])], [
moduledir="$withval"
], [
moduledir="\${libdir}/frr/modules"
])
AC_SUBST([moduledir], [$moduledir])
AC_ARG_WITH([scriptdir], [AS_HELP_STRING([--with-scriptdir=DIR], [script directory (${sysconfdir}/scripts)])], [
scriptdir="$withval"
], [
scriptdir="\${sysconfdir}/scripts"
])
AC_SUBST([scriptdir], [$scriptdir])
AC_ARG_WITH([yangmodelsdir], [AS_HELP_STRING([--with-yangmodelsdir=DIR], [yang models directory (${datarootdir}/yang)])], [
yangmodelsdir="$withval"
], [
yangmodelsdir="\${datarootdir}/yang"
])
AC_SUBST([yangmodelsdir])
AC_ARG_WITH([vici-socket], [AS_HELP_STRING([--with-vici-socket=PATH], [vici-socket (/var/run/charon.vici)])], [
vici_socket="$withval"
], [
vici_socket="/var/run/charon.vici"
])
AC_DEFINE_UNQUOTED([VICI_SOCKET], ["$vici_socket"], [StrongSWAN vici socket path])
AC_ARG_ENABLE(tcmalloc,
AS_HELP_STRING([--enable-tcmalloc], [Turn on tcmalloc]),
[case "${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="$CFLAGS"
orig_cxxflags="$CXXFLAGS"
AC_LANG([C])
AC_PROG_CC
AC_PROG_CPP
AC_PROG_CXX
AM_PROG_CC_C_O
dnl remove autoconf default "-g -O2"
CFLAGS="$orig_cflags"
CXXFLAGS="$orig_cxxflags"
AC_PROG_CC_C99
dnl NB: see C11 below
dnl Some special handling for ICC later on
if test "$CC" = "icc"; then
cc_is_icc="yes"
fi
PKG_PROG_PKG_CONFIG
dnl it's 2019, sed is sed.
SED=sed
AC_SUBST([SED])
dnl try and enable CFLAGS that are useful for FRR
dnl - specifically, options to control warnings
AC_SUBST([AC_CFLAGS])
AC_USE_SYSTEM_EXTENSIONS
AC_DEFUN([AC_C_FLAG], [{
m4_pushdef([cachename],[m4_translit([frr_cv_$1],[ =-+/{}$],[________])])
AC_CACHE_CHECK([[whether $CC supports $1]], cachename, [
AC_LANG_PUSH([C])
ac_c_flag_save="$CFLAGS"
CFLAGS="$CFLAGS $1"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[$4]])],
[
cachename=yes
], [
cachename=no
])
CFLAGS="$ac_c_flag_save"
AC_LANG_POP([C])
])
if test "$cachename" = "yes"; then
m4_if([$3], [], [AC_CFLAGS="$AC_CFLAGS $1"], [$3])
else
:
$2
fi
m4_popdef([cachename])
}])
AC_DEFUN([AC_LINK_IFELSE_FLAGS], [{
AC_LANG_PUSH([C])
ac_cflags_save="$CFLAGS"
ac_libs_save="$LIBS"
CFLAGS="$CFLAGS $1"
LIBS="$LIBS $2"
AC_LINK_IFELSE(
[$3],
[
CFLAGS="$ac_cflags_save"
LIBS="$ac_libs_save"
m4_default([$5], [
AC_MSG_RESULT([yes])
])
], [
CFLAGS="$ac_cflags_save"
LIBS="$ac_libs_save"
m4_default([$4], [
AC_MSG_RESULT([no])
])
])
AC_LANG_POP([C])
}])
dnl ICC won't bail on unknown options without -diag-error 10006
dnl need to do this first so we get useful results for the other options
if test "$cc_is_icc" = "yes"; then
AC_C_FLAG([-diag-error 10006])
fi
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="$CC -std=gnu11"])
dnl if the user has specified any CFLAGS, override our settings
if test "$enable_gcov" = "yes"; then
if test "$orig_cflags" = ""; then
AC_C_FLAG([--coverage])
AC_C_FLAG([-O0])
fi
AC_LDFLAGS="${AC_LDFLAGS} --coverage"
fi
if test "$enable_clang_coverage" = "yes"; then
AC_C_FLAG([-fprofile-instr-generate], [
AC_MSG_ERROR([$CC does not support -fprofile-instr-generate.])
])
AC_C_FLAG([-fcoverage-mapping], [
AC_MSG_ERROR([$CC does not support -fcoverage-mapping.])
])
fi
AM_CONDITIONAL([SCRIPTING], [test "$enable_scripting" = "yes"])
if test "$enable_scripting" = "yes"; then
AX_PROG_LUA([5.3], [5.4], [], [
AC_MSG_ERROR([Lua 5.3 is required to build with Lua support. No other version is supported.])
])
AX_LUA_HEADERS([], [
AC_MSG_ERROR([Lua 5.3 headers are required to build with Lua support. No other version is supported.])
])
AX_LUA_LIBS([
AC_DEFINE([HAVE_SCRIPTING], [1], [Have support for scripting])
LIBS="$LIBS $LUA_LIB"
SCRIPTING=true
], [
SCRIPTING=false
AC_MSG_ERROR([Lua 5.3 libraries are required to build with Lua support. No other version is supported.])
])
fi
dnl the following flags go in CFLAGS rather than AC_CFLAGS since they make
dnl sense to be overridden by the user
if test "$enable_dev_build" = "yes"; then
AC_DEFINE([DEV_BUILD], [1], [Build for development])
if test "$orig_cflags" = ""; then
AC_C_FLAG([-O0],,[CFLAGS="$CFLAGS -O0"])
AC_C_FLAG([-g3],,[CFLAGS="$CFLAGS -g3"])
AC_C_FLAG([-ggdb3],,[CFLAGS="$CFLAGS -ggdb3"])
fi
else
if test "$orig_cflags" = ""; then
AC_C_FLAG([-g],,[CFLAGS="$CFLAGS -g"])
AC_C_FLAG([-O2],,[CFLAGS="$CFLAGS -O2"])
fi
fi
AM_CONDITIONAL([DEV_BUILD], [test "$enable_dev_build" = "yes"])
dnl always want these CFLAGS
AC_C_FLAG([-fno-omit-frame-pointer])
AC_C_FLAG([-funwind-tables])
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])
AC_C_FLAG([-Wundef])
if test "$enable_gcc_ultra_verbose" = "yes" ; then
AC_C_FLAG([-Wcast-qual])
AC_C_FLAG([-Wstrict-prototypes])
AC_C_FLAG([-Wmissing-noreturn])
AC_C_FLAG([-Wmissing-format-attribute])
AC_C_FLAG([-Wunreachable-code])
AC_C_FLAG([-Wpacked])
AC_C_FLAG([-Wpadded])
AC_C_FLAG([-Wshadow])
else
AC_C_FLAG([-Wno-unused-result])
fi
AC_C_FLAG([-Wno-unused-parameter])
AC_C_FLAG([-Wno-missing-field-initializers])
AC_C_FLAG([-Wc++-compat], [], [CXX_COMPAT_CFLAGS="-Wc++-compat"])
AC_SUBST([CXX_COMPAT_CFLAGS])
dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
dnl for some reason the string consts get 'promoted' to char *,
dnl triggering a const to non-const conversion warning.
if test "$cc_is_icc" = "yes"; then
AC_C_FLAG([-diag-disable 3179])
fi
if test "$enable_werror" = "yes" ; then
WERROR="-Werror"
fi
AC_SUBST([WERROR])
SAN_FLAGS=""
if test "$enable_address_sanitizer" = "yes"; then
AC_C_FLAG([-fsanitize=address], [
AC_MSG_ERROR([$CC does not support Address Sanitizer.])
], [
SAN_FLAGS="$SAN_FLAGS -fsanitize=address"
])
fi
if test "$enable_thread_sanitizer" = "yes"; then
AC_C_FLAG([-fsanitize=thread], [
AC_MSG_ERROR([$CC does not support Thread Sanitizer.])
], [
SAN_FLAGS="$SAN_FLAGS -fsanitize=thread"
])
fi
if test "$enable_memory_sanitizer" = "yes"; then
AC_C_FLAG([-fsanitize=memory -fPIE -pie], [
AC_MSG_ERROR([$CC does not support Memory Sanitizer.])
], [
SAN_FLAGS="$SAN_FLAGS -fsanitize=memory -fPIE -pie"
])
fi
if test "$enable_undefined_sanitizer" = "yes"; then
AC_C_FLAG([-fsanitize=undefined], [
AC_MSG_ERROR([$CC does not support UndefinedBehaviorSanitizer.])
], [
SAN_FLAGS="$SAN_FLAGS -fsanitize=undefined"
])
fi
AC_SUBST([SAN_FLAGS])
dnl frr-format.so
if test "$with_frr_format" != "no" -a "$with_frr_format" != "yes" -a -n "$with_frr_format"; then
AC_C_FLAG([-fplugin=${with_frr_format}], [
AC_MSG_ERROR([specified frr-format plugin ($with_frr_format) does not work])
],,[
#ifndef _FRR_ATTRIBUTE_PRINTFRR
#error plugin not loaded
#endif
#if _FRR_ATTRIBUTE_PRINTFRR < 0x10000
#error plugin too old
#endif
])
elif test "$with_frr_format" = "no"; then
: #nothing
else
AC_C_FLAG([-fplugin=tools/gcc-plugins/frr-format.so],[
AC_C_FLAG([-fplugin=frr-format],[
if test "$with_frr_format" = "yes"; then
AC_MSG_ERROR([frr-format plugin requested but not found])
fi
],,[
#ifndef _FRR_ATTRIBUTE_PRINTFRR
#error plugin not loaded
#endif
#if _FRR_ATTRIBUTE_PRINTFRR < 0x10000
#error plugin too old
#endif
])
],,[
#ifndef _FRR_ATTRIBUTE_PRINTFRR
#error plugin not loaded
#endif
#if _FRR_ATTRIBUTE_PRINTFRR < 0x10000
#error plugin too old
#endif
])
fi
AC_MSG_CHECKING([whether linker supports __start/stop_section symbols])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
int __attribute__((section("secttest"))) var = 1;
extern int __start_secttest, __stop_secttest;
]], [[
void *a = &var, *b = &__start_secttest, *c = &__stop_secttest;
printf("%p %p %p\n", a, b, c);
]])], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SECTION_SYMS, 1, [have __start/stop_section symbols])
], [
AC_MSG_RESULT(no)
])
dnl ----------
dnl Essentials
dnl ----------
AX_PTHREAD([
CC="$PTHREAD_CC"
AC_CFLAGS="$AC_CFLAGS $PTHREAD_CFLAGS"
LIBS="$PTHREAD_LIBS $LIBS"
], [
AC_MSG_FAILURE([This FRR version needs pthreads])
])
orig_cflags="$CFLAGS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
AC_SEARCH_LIBS([pthread_condattr_setclock], [],
[frr_cv_pthread_condattr_setclock=yes],
[frr_cv_pthread_condattr_setclock=no])
if test "$frr_cv_pthread_condattr_setclock" = "yes"; then
AC_DEFINE([HAVE_PTHREAD_CONDATTR_SETCLOCK], [1], [Have pthread.h pthread_condattr_setclock])
fi
AC_CHECK_HEADERS([pthread_np.h],,, [
#include <pthread.h>
])
AC_CHECK_FUNCS([pthread_setname_np pthread_set_name_np pthread_getthreadid_np])
CFLAGS="$orig_cflags"
dnl --------------
dnl Check programs
dnl --------------
AC_PROG_INSTALL
AC_PROG_LN_S
AC_CHECK_TOOL([AR], [ar])
dnl -------
dnl libtool
dnl -------
AC_ARG_ENABLE([static-bin],
AS_HELP_STRING([--enable-static-bin], [link binaries statically]))
LT_INIT
_LT_CONFIG_LIBTOOL([
patch -N -i "${srcdir}/m4/libtool-whole-archive.patch" libtool >&AS_MESSAGE_LOG_FD || \
AC_MSG_WARN([Could not patch libtool for static linking support. Loading modules into a statically linked daemon will fail.])
sed -e 's%func_warning "relinking%true #\0%' -i libtool || true
sed -e 's%func_warning "remember to run%true #\0%' -i libtool || true
sed -e 's%func_warning ".*has not been installed in%true #\0%' -i libtool || true
])
if test "$enable_static_bin" = "yes"; then
AC_LDFLAGS_EXEC="-static"
if test "$enable_static" != "yes"; then
AC_MSG_ERROR([The --enable-static-bin option must be combined with --enable-static.])
fi
fi
if test "$enable_shared" != "yes"; then
AC_MSG_ERROR([FRR cannot be built with --disable-shared. If you want statically linked daemons, use --enable-shared --enable-static --enable-static-bin])
fi
AC_SUBST([AC_LDFLAGS])
AC_SUBST([AC_LDFLAGS_EXEC])
AM_CONDITIONAL([STATIC_BIN], [test "$enable_static_bin" = "yes"])
AC_ARG_ENABLE([rpath],
[AS_HELP_STRING([--enable-rpath], [set hardcoded rpaths in the executable @<:@default=yes@:>@])],
[],
[enable_rpath=yes])
dnl $AR and $RANLIB are set by LT_INIT above
AC_MSG_CHECKING([whether $AR supports D option])
if $AR crD conftest.a >/dev/null 2>/dev/null; then
AC_MSG_RESULT([yes])
dnl ARFLAGS is for automake, AR_FLAGS for libtool m-(
ARFLAGS="crD"
AR_FLAGS="crD"
else
AC_MSG_RESULT([no])
ARFLAGS="cru"
AR_FLAGS="cru"
fi
AC_SUBST([ARFLAGS])
AC_SUBST([AR_FLAGS])
AC_MSG_CHECKING([whether $RANLIB supports D option])
if $RANLIB -D conftest.a >conftest.err 2>&1; then
if grep -q -- '-D' conftest.err; then
AC_MSG_RESULT([no])
else
AC_MSG_RESULT([yes])
RANLIB="$RANLIB -D"
fi
else
AC_MSG_RESULT([no])
fi
AC_SUBST([RANLIB])
test -f conftest.err && rm conftest.err
test -f conftest.a && rm conftest.a
dnl ----------------------
dnl Packages configuration
dnl ----------------------
if test -f config.version; then
. ./config.version
elif test -f "${srcdir}/config.version"; then
. "${srcdir}/config.version"
fi
AC_ARG_WITH([pkg-extra-version],
AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]), [
if test "$withval" = "no"; then
EXTRAVERSION=
else
EXTRAVERSION=$withval
fi
], [])
AC_ARG_WITH([pkg-git-version],
AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
[ test "$withval" != "no" && with_pkg_git_version="yes" ])
AC_ARG_WITH([clippy],
AS_HELP_STRING([--with-clippy=PATH], [use external clippy helper program]))
AC_ARG_WITH([vtysh_pager],
AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]),
VTYSH_PAGER=$withval, VTYSH_PAGER="more")
AC_ARG_ENABLE([vtysh],
AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for FRR]))
AC_ARG_ENABLE([doc],
AS_HELP_STRING([--disable-doc], [do not build docs]))
AC_ARG_ENABLE([doc-html],
AS_HELP_STRING([--enable-doc-html], [build HTML 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([--disable-ldpd], [do not 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([babeld],
AS_HELP_STRING([--disable-babeld], [do not build babeld]))
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([pbrd],
AS_HELP_STRING([--disable-pbrd], [do not build pbrd]))
AC_ARG_ENABLE([sharpd],
AS_HELP_STRING([--enable-sharpd], [build sharpd]))
AC_ARG_ENABLE([staticd],
AS_HELP_STRING([--disable-staticd], [do not build staticd]))
AC_ARG_ENABLE([fabricd],
AS_HELP_STRING([--disable-fabricd], [do not build fabricd]))
AC_ARG_ENABLE([vrrpd],
AS_HELP_STRING([--disable-vrrpd], [do not build vrrpd]))
AC_ARG_ENABLE([pathd],
AS_HELP_STRING([--disable-pathd], [do not build pathd]))
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_ENABLE([bgp-bmp],
AS_HELP_STRING([--disable-bgp-bmp],[turn off BGP BMP support]))
AC_ARG_ENABLE([snmp],
AS_HELP_STRING([--enable-snmp], [enable SNMP support for agentx]))
AC_ARG_ENABLE([config_rollbacks],
AS_HELP_STRING([--enable-config-rollbacks], [enable configuration rollbacks (requires sqlite3)]))
AC_ARG_ENABLE([confd],
AS_HELP_STRING([--enable-confd=ARG], [enable confd integration]))
AC_ARG_ENABLE([sysrepo],
AS_HELP_STRING([--enable-sysrepo], [enable sysrepo integration]))
AC_ARG_ENABLE([grpc],
AS_HELP_STRING([--enable-grpc], [enable the gRPC northbound plugin]))
AC_ARG_ENABLE([zeromq],
AS_HELP_STRING([--enable-zeromq], [enable ZeroMQ handler (libfrrzmq)]))
AC_ARG_ENABLE([lttng],
AS_HELP_STRING([--enable-lttng], [enable LTTng tracing]))
AC_ARG_ENABLE([usdt],
AS_HELP_STRING([--enable-usdt], [enable USDT probes]))
AC_ARG_WITH([libpam],
AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
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([realms],
AS_HELP_STRING([--enable-realms], [enable REALMS support under Linux]))
AC_ARG_ENABLE([rtadv],
AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
AC_ARG_ENABLE([irdp],
AS_HELP_STRING([--disable-irdp], [disable IRDP server support in zebra (enabled by default if supported)]))
AC_ARG_ENABLE([capabilities],
AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
AC_ARG_ENABLE([gcc_ultra_verbose],
AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
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([cpu-time],
AS_HELP_STRING([--disable-cpu-time], [disable cpu usage data gathering]))
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([pcep],
AS_HELP_STRING([--enable-pcep], [enable PCEP support for pathd]))
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_ARG_ENABLE([rpki],
AS_HELP_STRING([--enable-rpki], [enable RPKI prefix validation support]))
AC_ARG_ENABLE([clippy-only],
AS_HELP_STRING([--enable-clippy-only], [Only build clippy]))
AC_ARG_ENABLE([numeric_version],
AS_HELP_STRING([--enable-numeric-version], [Only numeric digits allowed in version (for Alpine)]))
AC_ARG_ENABLE([gcov],
AS_HELP_STRING([--enable-gcov], [Collect coverage information with gcov]))
AC_ARG_ENABLE([clang_coverage],
AS_HELP_STRING([--enable-clang-coverage], [Collect coverage information with Clang Coverage]))
AC_ARG_ENABLE([bfdd],
AS_HELP_STRING([--disable-bfdd], [do not build bfdd]))
AC_ARG_ENABLE([address-sanitizer],
AS_HELP_STRING([--enable-address-sanitizer], [enable AddressSanitizer support for detecting a wide variety of memory allocation and deallocation errors]))
AC_ARG_ENABLE([thread-sanitizer],
AS_HELP_STRING([--enable-thread-sanitizer], [enable ThreadSanitizer support for detecting data races]))
AC_ARG_ENABLE([memory-sanitizer],
AS_HELP_STRING([--enable-memory-sanitizer], [enable MemorySanitizer support for detecting uninitialized memory reads]))
AC_ARG_ENABLE([undefined-sanitizer],
AS_HELP_STRING([--enable-undefined-sanitizer], [enable UndefinedBehaviorSanitizer support for detecting undefined behavior]))
AC_ARG_WITH([crypto],
AS_HELP_STRING([--with-crypto=<internal|openssl>], [choose between different implementations of cryptographic functions(default value is --with-crypto=internal)]))
AC_ARG_WITH([frr-format],
AS_HELP_STRING([--with-frr-format[=<.../frr-format.so>]], [use frr-format GCC plugin]))
AC_ARG_ENABLE([version-build-config],
AS_HELP_STRING([--disable-version-build-config], [do not include build configs in show version command]))
#if openssl, else use the internal
AS_IF([test "$with_crypto" = "openssl"], [
AC_CHECK_LIB([crypto], [EVP_DigestInit], [LIBS="$LIBS -lcrypto"], [], [])
if test "$ac_cv_lib_crypto_EVP_DigestInit" = "no"; then
AC_MSG_ERROR([build with openssl has been specified but openssl library was not found on your system])
else
AC_DEFINE([CRYPTO_OPENSSL], [1], [Compile with openssl support])
fi
], [test "$with_crypto" = "internal" || test "$with_crypto" = "" ], [AC_DEFINE([CRYPTO_INTERNAL], [1], [Compile with internal cryptographic implementation])
], [AC_MSG_ERROR([Unknown value for --with-crypto])]
)
AS_IF([test "$enable_clippy_only" != "yes"], [
AC_CHECK_HEADERS([json-c/json.h])
AC_CHECK_LIB([json-c], [json_object_get], [LIBS="$LIBS -ljson-c"], [], [-lm])
if test "$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([libjson is needed to compile])
fi
fi
])
AC_ARG_ENABLE([dev_build],
AS_HELP_STRING([--enable-dev-build], [build for development]))
AC_ARG_ENABLE([scripting],
AS_HELP_STRING([--enable-scripting], [Build with scripting support]))
AC_ARG_ENABLE([netlink-debug],
AS_HELP_STRING([--disable-netlink-debug], [pretty print netlink debug messages]))
if test "$enable_netlink_debug" != "no" ; then
AC_DEFINE([NETLINK_DEBUG], [1], [Netlink extra debugging code])
fi
AM_CONDITIONAL([NETLINK_DEBUG], [test "$enable_netlink_debug" != "no"])
if test "$enable_time_check" != "no" ; then
if test "$enable_time_check" = "yes" -o "$enable_time_check" = "" ; then
AC_DEFINE([CONSUMED_TIME_CHECK], [5000000], [Consumed Time Check])
else
AC_DEFINE_UNQUOTED([CONSUMED_TIME_CHECK], [$enable_time_check], [Consumed Time Check])
fi
fi
case "${enable_cpu_time}" in
"no")
AC_DEFINE([EXCLUDE_CPU_TIME], [1], [Exclude getrusage data gathering])
;;
"*")
;;
esac
if test "$enable_rr_semantics" != "no" ; then
AC_DEFINE([HAVE_V6_RR_SEMANTICS], [1], [Compile in v6 Route Replacement Semantics])
fi
if test "$enable_datacenter" = "yes" ; then
AC_DEFINE([HAVE_DATACENTER], [1], [Compile extensions for a DataCenter])
DFLT_NAME="datacenter"
else
DFLT_NAME="traditional"
fi
if test "$enable_cumulus" = "yes" ; then
AC_DEFINE([HAVE_CUMULUS], [1], [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], [1], [Allow user to use ssh/telnet/bash, be aware this is considered insecure])
fi
#
# Python for clippy
#
AS_IF([test "$host" = "$build"], [
AC_CHECK_HEADER([gelf.h], [], [
AC_MSG_ERROR([libelf headers are required for building clippy. (Host only when cross-compiling.)])
])
AC_CHECK_LIB([elf], [elf_memory], [], [
AC_MSG_ERROR([libelf is required for building clippy. (Host only when cross-compiling.)])
])
AC_CHECK_LIB([elf], [elf_getdata_rawchunk], [
AC_DEFINE([HAVE_ELF_GETDATA_RAWCHUNK], [1], [Have elf_getdata_rawchunk()])
])
AC_CHECK_LIB([elf], [gelf_getnote], [
AC_DEFINE([HAVE_GELF_GETNOTE], [1], [Have gelf_getnote()])
])
FRR_PYTHON_DEV
], [
FRR_PYTHON
])
FRR_PYTHON_MODULES([pytest])
if test "$enable_doc" != "no"; then
FRR_PYTHON_MODULES([sphinx], , [
if test "$enable_doc" = "yes"; then
AC_MSG_ERROR([Documentation was explicitly requested with --enable-doc but sphinx is not available for $PYTHON. Please disable docs or install sphinx.])
fi
])
fi
AM_CONDITIONAL([DOC], [test "$enable_doc" != "no" -a "$frr_py_mod_sphinx" != "false"])
AM_CONDITIONAL([DOC_HTML], [test "$enable_doc_html" = "yes"])
FRR_PYTHON_MOD_EXEC([sphinx], [--version], [
PYSPHINX="-m sphinx"
], [
PYSPHINX="-c 'import sys; from sphinx import main; sys.exit(main(sys.argv))'"
])
AC_SUBST([PYSPHINX])
#
# Logic for old vpn commands support.
#
if test "$enable_oldvpn_commands" = "yes"; then
AC_DEFINE([KEEP_OLD_VPN_COMMANDS], [1], [Define for compiling with old vpn commands])
fi
#
# End of logic for protobuf support.
#
AC_MSG_CHECKING([if zebra should be configurable to send Route Advertisements])
if test "$enable_rtadv" != "no"; then
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_RTADV], [1], [Enable IPv6 Routing Advertisement support])
else
AC_MSG_RESULT([no])
fi
if test "$enable_user" = "no"; then
enable_user=""
else
if test "$enable_user" = "yes" || test "$enable_user" = ""; then
enable_user="frr"
fi
AC_DEFINE_UNQUOTED([FRR_USER], ["${enable_user}"], [frr User])
fi
if test "$enable_group" = "no"; then
enable_group=""
else
if test "$enable_group" = "yes" || test "$enable_group" = ""; then
enable_group="frr"
fi
AC_DEFINE_UNQUOTED([FRR_GROUP], ["${enable_group}"], [frr Group])
fi
if test "$enable_vty_group" = "yes" ; then
AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
elif test "$enable_vty_group" != ""; then
if test "$enable_vty_group" != "no"; then
AC_DEFINE_UNQUOTED([VTY_GROUP], ["${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])
AC_SUBST([enable_configfile_mask])
enable_logfile_mask=${enable_logfile_mask:-0600}
AC_DEFINE_UNQUOTED([LOGFILE_MASK], [${enable_logfile_mask}], [Mask for log files])
MPATH_NUM=16
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 Enable code coverage
dnl --------------------
AM_CONDITIONAL([HAVE_GCOV], [test "$enable_gcov" != "no"])
dnl ------------------------------------
dnl Alpine only accepts numeric versions
dnl ------------------------------------
if test "$enable_numeric_version" != "" ; then
VERSION="`echo ${VERSION} | tr -c -d '[[.0-9]]'`"
PACKAGE_VERSION="`echo ${PACKAGE_VERSION} | tr -c -d '[[.0-9]]'`"
fi
dnl -----------------------------------
dnl Add extra version string to package
dnl name, string and version fields.
dnl -----------------------------------
if test "$EXTRAVERSION" != "" ; then
VERSION="${VERSION}${EXTRAVERSION}"
PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
fi
AC_SUBST([EXTRAVERSION])
if test "$with_pkg_git_version" = "yes"; then
if test -e "${srcdir}/.git"; then
AC_DEFINE([GIT_VERSION], [1], [include git version info])
else with_pkg_git_version="no"
AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
fi
fi
AM_CONDITIONAL([GIT_VERSION], [test "$with_pkg_git_version" = "yes"])
AC_CHECK_TOOL([OBJCOPY], [objcopy], [:])
if test "$OBJCOPY" != ":"; then
AC_CACHE_CHECK([for .interp value to use], [frr_cv_interp], [
frr_cv_interp=""
AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])], [
if $OBJCOPY -j.interp -Obinary conftest conftest.interp; then
frr_cv_interp="`xargs -0 echo < conftest.interp`"
fi
test -f conftest.interp && rm conftest.interp
])
])
fi
if test -n "$frr_cv_interp"; then
AC_DEFINE_UNQUOTED([INTERP], ["$frr_cv_interp"], [.interp value])
fi
dnl -------------------------
dnl Check other header files.
dnl -------------------------
AC_CHECK_HEADERS([stropts.h sys/ksym.h \
linux/version.h asm/types.h endian.h sys/endian.h])
ac_stdatomic_ok=false
AC_DEFINE([FRR_AUTOCONF_ATOMIC], [1], [did autoconf checks for atomic funcs])
AC_CHECK_HEADER([stdatomic.h],[
AC_MSG_CHECKING([whether _Atomic qualifier works])
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <stdatomic.h>
int main(int argc, char **argv) {
_Atomic int i = 0;
return i;
}
]])], [
AC_DEFINE([HAVE_STDATOMIC_H], [1], [found stdatomic.h])
AC_MSG_RESULT([yes])
ac_stdatomic_ok=true
], [
AC_MSG_RESULT([no])
])
])
AS_IF([$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