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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 <kunihiro@zebra.org>
## Portions Copyright (c) 2003 Paul Jakma <paul@dishone.st>
##
AC_PREREQ([2.69])
AC_INIT([frr], [10.1-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 $ac_configure_args | sed -e \"s% '[[A-Z]]*FLAGS=[[^']]\+'%%g\"`"
AC_SUBST([CONFIG_ARGS])
AC_CONFIG_SRCDIR([lib/zebra.h])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_AUX_DIR([m4/ac])
dnl ------------------------------
dnl system paths
dnl ------------------------------
dnl Versions of FRR (or Quagga, or Zebra) before ca. 9.2 used sysconfdir and
dnl localstatedir as-is, without appending /frr. The /frr was expected to be
dnl given on ./configure invocations.
dnl
dnl This does not match standard behavior by other packages and makes FRR
dnl specific packaging changes necessary to add these options. localstatedir
dnl was also misused to include the /run part (it normally is only /var),
dnl leaving no path configuration option that references /var itself. This
dnl is because runstatedir did not exist in ancient autoconf.
dnl
dnl The path options have been changed to expect plain / system prefix
dnl directories. As a temporary workaround to not break packaging, eventual
dnl /frr suffixes are stripped and a warning is printed.
path_warn_banner=false
AC_MSG_CHECKING([whether --sysconfdir option is FRR-specific])
case "$sysconfdir" in
*/frr)
AC_MSG_RESULT([yes, ends in /frr - removing suffix])
AC_MSG_WARN([Please remove /frr suffix from --sysconfdir="${sysconfdir}" (it should be /etc in 99% of cases)])
sysconfdir="${sysconfdir%/frr}"
path_warn_banner=true
;;
*)
AC_MSG_RESULT([no, as expected])
;;
esac
frr_sysconfdir="\${sysconfdir}/frr"
AC_MSG_CHECKING([whether --localstatedir option is FRR-specific])
case "$localstatedir" in
*/run/frr)
AC_MSG_RESULT([yes, ends in /run/frr - removing suffix])
AC_MSG_WARN([Please remove /run/frr suffix from --localstatedir=${localstatedir} (it should be /var in 99% of cases)])
localstatedir="${localstatedir%/run/frr}"
path_warn_banner=true
;;
*/frr)
AC_MSG_RESULT([yes, ends in /frr - removing suffix])
AC_MSG_WARN([The --localstatedir=${localstatedir} option seems to include /frr but not /run, this is unexpected. Please check for consistency.)])
localstatedir="${localstatedir%/frr}"
path_warn_banner=true
;;
*)
AC_MSG_RESULT([no, as expected])
;;
esac
dnl runstatedir is either ${localstatedir}/run or plain /run
dnl the change of localstatedir above may impact this
dnl
dnl note runstatedir was never used with /frr as the other two above, so does
dnl not need the same cleanup hack
: "${runstatedir:=\${localstatedir\}/run}"
frr_runstatedir="\${runstatedir}/frr"
if $path_warn_banner; then
AC_MSG_WARN([^])
AC_MSG_WARN([^])
AC_MSG_WARN([^ warnings regarding system path configuration were printed above])
AC_MSG_WARN([^ paths have been adjusted by temporary workarounds])
AC_MSG_WARN([^ please fix your ./configure invocation (remove /frr) so it will work without the workarounds])
AC_MSG_WARN([^])
AC_MSG_WARN([^])
fi
frr_libstatedir="\${localstatedir}/lib/frr"
dnl -----------------------------------
dnl Get hostname and other information.
dnl -----------------------------------
AC_CANONICAL_BUILD()
AC_CANONICAL_HOST()
AC_ARG_VAR([AR],[archiver command])
AC_ARG_VAR([LD],[linker command])
AC_ARG_VAR([OBJCOPY],[objcopy command])
AC_ARG_VAR([OBJDUMP],[objdump command])
AC_ARG_VAR([RANLIB],[ranlib command])
AC_ARG_VAR([STRIP],[strip command])
hosttools_clippy="false"
build_clippy="true"
dnl case 1: external clippy
if test -n "$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 necessary])
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 (${sysconfdir}/frr/scripts)])], [
scriptdir="$withval"
], [
scriptdir="\${frr_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"
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 autoconf 2.69 AC_PROG_CC_C99 is "state of the art"
dnl autoconf 2.70 AC_PROG_CC_C99 is deprecated and AC_PROC_CC tries to do C11
m4_if(m4_version_compare(m4_defn([AC_AUTOCONF_VERSION]), [2.70]), [-1], [dnl
dnl autoconf < 2.70
AC_PROG_CC_C99
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="$CC -std=gnu11"])
], [
dnl autoconf >= 2.70
if test "$ac_cv_prog_cc_c11" = "no"; then
AC_MSG_ERROR([ISO C11 compiler support (with GNU extensions) is required.])
fi
])
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.])
])
PKG_CHECK_MODULES([LUA], [lua5.3], [
AC_DEFINE([HAVE_SCRIPTING], [1], [Have support for scripting])
LIBS="$LIBS $LUA_LIBS"
SCRIPTING=true
], [
AX_LUA_LIBS([
AC_DEFINE([HAVE_SCRIPTING], [1], [Have support for scripting])
LIBS="$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="$CFLAGS -O2"])
fi
fi
dnl just stick -g into LDFLAGS, if we don't have it in CFLAGS it won't do much
LDFLAGS="$LDFLAGS -g"
AM_CONDITIONAL([DEV_BUILD], [test "$enable_dev_build" = "yes"])
dnl -fms-extensions causes clang to have a built-in __wchar_t on OpenBSD,
dnl which just straight up breaks compiling any code.
dnl (2022-04-04 / OpenBSD 7 / clang 11.1.0)
AH_VERBATIM([OpenBSD], [
#ifdef __OpenBSD__
#define __wchar_t __wchar_t_ignore
#include <stdint.h>
#undef __wchar_t
#endif
])
dnl always want these CFLAGS
AC_C_FLAG([-fms-extensions], [
AC_MSG_ERROR([$CC does not support unnamed struct fields (-fms-extensions)])
])
AC_C_FLAG([-fno-omit-frame-pointer])
AC_C_FLAG([-funwind-tables])
AC_C_FLAG([-Wall])
AC_C_FLAG([-Wextra])
AC_C_FLAG([-Wformat-nonliteral])
AC_C_FLAG([-Wformat-security])
AC_C_FLAG([-Wswitch-enum])
AC_C_FLAG([-Wstrict-prototypes])
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])
AC_C_FLAG([-Wimplicit-fallthrough])
if test "$enable_gcc_ultra_verbose" = "yes" ; then
AC_C_FLAG([-Wcast-qual])
AC_C_FLAG([-Wmissing-noreturn])
AC_C_FLAG([-Wmissing-format-attribute])
AC_C_FLAG([-Wunreachable-code])
AC_C_FLAG([-Wpacked])
AC_C_FLAG([-Wpadded])
AC_C_FLAG([-Wshadow])
else
AC_C_FLAG([-Wno-unused-result])
fi
AC_C_FLAG([-Wno-unused-parameter])
AC_C_FLAG([-Wno-missing-field-initializers])
AC_C_FLAG([-Wno-microsoft-anon-tag])
AC_C_FLAG([-Wc++-compat], [], [CXX_COMPAT_CFLAGS="-Wc++-compat"])
AC_SUBST([CXX_COMPAT_CFLAGS])
dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
dnl for some reason the string consts get 'promoted' to char *,
dnl triggering a const to non-const conversion warning.
if test "$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.])
dnl the -i option is not POSIX sed and the BSDs implement it differently
dnl cat'ing the output back instead of mv/cp keeps permissions on libtool intact
sed -e 's%func_warning "relinking%true #\0%' libtool > libtool.sed && cat libtool.sed > libtool
sed -e 's%func_warning "remember to run%true #\0%' libtool > libtool.sed && cat libtool.sed > libtool
sed -e 's%func_warning ".*has not been installed in%true #\0%' libtool > libtool.sed && cat libtool.sed > libtool
test -f libtool.sed && rm libtool.sed
])
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"])
dnl libtool, the repository of all knowledge related linkers, is too stupid to
dnl correctly tell the linker how to build modules.
if test -z "$module_cmds"; then
module_cmds="`echo \"$archive_cmds\" | sed -e 's%$wl-soname $wl$soname%%'`"
fi
if test -z "$module_expsym_cmds"; then
module_expsym_cmds="`echo \"$archive_expsym_cmds\" | sed -e 's%$wl-soname $wl$soname%%'`"
fi
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([mgmtd],
AS_HELP_STRING([--disable-mgmtd], [do not build mgmtd]))
AC_ARG_ENABLE([mgmtd_local_validations],
AS_HELP_STRING([--enable-mgmtd-local-validations], [dev: unimplemented local validation]))
AC_ARG_ENABLE([mgmtd_test_be_client],
AS_HELP_STRING([--enable-mgmtd-test-be-client], [build test backend client]))
AC_ARG_ENABLE([fpm_listener],
AS_HELP_STRING([--enable-fpm-listener], [build fpm listener test program]))
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([pim6d],
AS_HELP_STRING([--disable-pim6d], [do not build pim6d]))
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([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_WITH([log_timestamp_precision],
AS_HELP_STRING([--with-log-timestamp-precision=ARG], [set startup log timestamp precision, ARG must be 0-12]))
AC_ARG_ENABLE([multipath],
AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
AC_ARG_WITH([service_timeout],
AS_HELP_STRING([--with-service-timeout=ARG], [set service timeout value (2 minutes by default), 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([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([--enable-irdp], [enable IRDP server support in zebra]))
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([pcreposix],
AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
AC_ARG_ENABLE([pcre2posix],
AS_HELP_STRING([--enable-pcre2posix], [enable using PCRE2 Posix libs for regex functions]))
AC_ARG_ENABLE([fpm],
AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
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([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([ccls],
AS_HELP_STRING([--enable-ccls], [Write .ccls config for this build]))
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], [don't 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 "$enable_datacenter" = "yes" ; then
AC_DEFINE([HAVE_DATACENTER], [1], [Compile extensions for a DataCenter])
DFLT_NAME="datacenter"
else
DFLT_NAME="traditional"
fi
if test "$enable_cumulus" = "yes" ; then
AC_DEFINE([HAVE_CUMULUS], [1], [Compile Special Cumulus Code in])
fi
AC_SUBST([DFLT_NAME])
AC_DEFINE_UNQUOTED([DFLT_NAME], ["$DFLT_NAME"], [Name of the configuration default set])
#
# Python for clippy
#
AS_IF([test "$host" = "$build"], [
AM_PATH_PYTHON([3])
AC_CHECK_HEADER([gelf.h], [], [
AC_MSG_ERROR([libelf headers are required for building clippy. (Host only when cross-compiling.)])
])
LIBS_save="$LIBS"
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()])
])
LIBS="$LIBS_save"
unset LIBS_save
FRR_PYTHON_DEV
], [
FRR_PYTHON
])
FRR_PYTHON_MODULES([pytest])
if test "$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 "$enable_oldvpn_commands" = "yes"; then
AC_DEFINE([KEEP_OLD_VPN_COMMANDS], [1], [Define for compiling with old vpn commands])
fi
AC_MSG_CHECKING([if zebra should be configurable to send Route Advertisements])
if test "$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)