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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, 5.1-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="$ac_configure_args"
AC_SUBST(CONFIG_ARGS)
AC_CONFIG_SRCDIR(lib/zebra.h)
AC_CONFIG_MACRO_DIR([m4])
dnl -----------------------------------
dnl Get hostname and other information.
dnl -----------------------------------
AC_CANONICAL_BUILD()
AC_CANONICAL_HOST()
AS_IF([test "$host" != "$build"], [
if test "$srcdir" = "."; then
AC_MSG_ERROR([cross-compilation is only possible with builddir separate from srcdir. create a separate directory and run as .../path-to-frr/configure.])
fi
test -d hosttools || mkdir hosttools
abssrc="`cd \"${srcdir}\"; pwd`"
AC_MSG_NOTICE([...])
AC_MSG_NOTICE([... cross-compilation: creating hosttools directory and self-configuring for build platform tools])
AC_MSG_NOTICE([... use HOST_CPPFLAGS / HOST_CFLAGS / HOST_LDFLAGS if neccessary])
AC_MSG_NOTICE([...])
( CPPFLAGS="$HOST_CPPFLAGS"; \
CFLAGS="$HOST_CFLAGS"; \
LDFLAGS="$HOST_LDFLAGS"; \
cd hosttools; "${abssrc}/configure" "--host=$build" "--build=$build" "--enable-clippy-only" "--disable-nhrpd" "--disable-vtysh"; )
AC_MSG_NOTICE([...])
AC_MSG_NOTICE([... cross-compilation: finished self-configuring for build platform tools])
AC_MSG_NOTICE([...])
build_clippy="false"
HOSTTOOLS="hosttools/"
], [
build_clippy="true"
HOSTTOOLS=""
])
AC_SUBST(HOSTTOOLS)
AM_CONDITIONAL([BUILD_CLIPPY], [$build_clippy])
# 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=""
AC_ARG_ENABLE([pkgsrcrcdir],
AS_HELP_STRING([--enable-pkgsrcrcdir],
[specify directory for rc.d scripts]),
pkgsrcrcdir="$enableval",)
dnl XXX add --pkgsrcrcdir to autoconf standard directory list somehow
AC_SUBST(pkgsrcrcdir)
AM_CONDITIONAL([PKGSRC], [test "x$pkgsrcrcdir" != "x"])
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 FRR
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])
$2
])
AC_LANG_POP(C)
}])
AC_DEFUN([AC_LINK_IFELSE_FLAGS], [{
AC_LANG_PUSH(C)
ac_cflags_save="$CFLAGS"
ac_libs_save="$LIBS"
CFLAGS="$CFLAGS $1"
LIBS="$LIBS $2"
AC_LINK_IFELSE(
[$3],
[
AC_MSG_RESULT([yes])
CFLAGS="$ac_cflags_save"
LIBS="$ac_libs_save"
$5
], [
AC_MSG_RESULT([no])
CFLAGS="$ac_cflags_save"
LIBS="$ac_libs_save"
$4
])
AC_LANG_POP(C)
}])
dnl ICC won't bail on unknown options without -diag-error 10006
dnl need to do this first so we get useful results for the other options
AC_C_FLAG([-diag-error 10006])
dnl AC_PROG_CC_C99 may change CC to include -std=gnu99 or something
ac_cc="$CC"
CC="${CC% -std=gnu99}"
CC="${CC% -std=c99}"
AC_C_FLAG([-std=gnu11], [CC="$ac_cc"], [CC="$CC -std=gnu11"])
dnl AddressSanitizer support
AC_ARG_ENABLE([address-sanitizer], AS_HELP_STRING([--enable-address-sanitizer], \
[enabled AddressSanitizer support for detecting a wide variety of \
memory allocation and deallocation errors]), \
[AC_DEFINE(HAVE_ADDRESS_SANITIZER, 1, [enable AddressSanitizer])
ASAN_FLAGS="-fsanitize=address"
SAN_CLIPPY_FLAGS="-fno-sanitize=all"
AC_SUBST([ASAN_FLAGS])
AC_SUBST([SAN_CLIPPY_FLAGS])
LIBS="-ldl $LIBS"
AC_TRY_COMPILE([],[const int i=0;],[AC_MSG_NOTICE([Address Sanitizer Enabled])],
[AC_MSG_ERROR([Address Sanitizer not available])])
])
dnl ThreadSanitizer support
AC_ARG_ENABLE([thread-sanitizer], AS_HELP_STRING([--enable-thread-sanitizer], \
[enabled ThreadSanitizer support for detecting data races]), \
[AC_DEFINE(HAVE_THREAD_SANITIZER, 1, [enable ThreadSanitizer])
TSAN_FLAGS="-fsanitize=thread"
SAN_CLIPPY_FLAGS="-fno-sanitize=all"
AC_SUBST([TSAN_FLAGS])
AC_SUBST([SAN_CLIPPY_FLAGS])
LIBS="-ldl $LIBS"
AC_TRY_COMPILE([],[const int i=0;],[AC_MSG_NOTICE([Thread Sanitizer Enabled])],
[AC_MSG_ERROR([Thread Sanitizer not available])])
])
dnl MemorySanitizer support
AC_ARG_ENABLE([memory-sanitizer], AS_HELP_STRING([--enable-memory-sanitizer], \
[enabled MemorySanitizer support for detecting uninitialized memory reads]), \
[AC_DEFINE(HAVE_THREAD_SANITIZER, 1, [enable MemorySanitizer])
MSAN_FLAGS="-fsanitize=memory -fPIE -pie"
SAN_CLIPPY_FLAGS="-fno-sanitize=all"
AC_SUBST([MSAN_FLAGS])
AC_SUBST([SAN_CLIPPY_FLAGS])
LIBS="-ldl $LIBS"
AC_TRY_COMPILE([],[const int i=0;],[AC_MSG_NOTICE([Memory Sanitizer Enabled])],
[AC_MSG_ERROR([Memory Sanitizer not available])])
])
dnl if the user has specified any CFLAGS, override our settings
if test "x${enable_gcov}" = "xyes"; then
if test "z$orig_cflags" = "z"; then
AC_C_FLAG([-coverage])
AC_C_FLAG([-O0])
fi
LDFLAGS="${LDFLAGS} -lgcov"
elif test "x${enable_dev_build}" = "xyes"; then
AC_DEFINE(DEV_BUILD,,Build for development)
if test "z$orig_cflags" = "z"; then
AC_C_FLAG([-g3])
AC_C_FLAG([-O0])
fi
else
if test "z$orig_cflags" = "z"; then
AC_C_FLAG([-g])
AC_C_FLAG([-Os], [
AC_C_FLAG([-O2])
])
fi
fi
AM_CONDITIONAL([DEV_BUILD], [test "x$enable_dev_build" = "xyes"])
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])
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 $LIBS"
], [
AC_MSG_FAILURE([This FRR version needs pthreads])
])
dnl --------------
dnl Check programs
dnl --------------
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_CHECK_TOOL(AR, ar)
dnl -----------------
dnl System extensions
dnl -----------------
AC_GNU_SOURCE
dnl -------
dnl libtool
dnl -------
LT_INIT
dnl ----------------------
dnl Packages configuration
dnl ----------------------
AC_ARG_WITH(pkg-extra-version,
AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]),
[EXTRAVERSION=$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 FRR]))
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([--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(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_ENABLE(zeromq,
AS_HELP_STRING([--enable-zeromq], [enable ZeroMQ handler (libfrrzmq)]))
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], [enable IRDP server support in zebra (default if supported)]))
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(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(fuzzing,
AS_HELP_STRING([--enable-fuzzing], [enable ability to fuzz various parts of FRR]))
AC_ARG_ENABLE(netlink_fuzzing,
AS_HELP_STRING([--enable-netlink-fuzzing], [enable ability to fuzz netlink listening socket in zebra]))
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], [Add code coverage information]))
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 $ac_cv_lib_json_json_object_get = no; then
AC_MSG_ERROR([lib json is needed to compile])
fi
fi
])
AC_ARG_ENABLE([dev_build],
AS_HELP_STRING([--enable-dev-build], [build for development]))
if test x"${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 "${enable_datacenter}" = "yes" ; then
AC_DEFINE(HAVE_DATACENTER,,Compile extensions for a DataCenter)
DFLT_NAME="datacenter"
else
DFLT_NAME="traditional"
fi
if test "${enable_fuzzing}" = "yes" ; then
AC_DEFINE(HANDLE_ZAPI_FUZZING,,Compile extensions to use with a fuzzer)
fi
if test "${enable_netlink_fuzzing}" = "yes" ; then
AC_DEFINE(HANDLE_NETLINK_FUZZING,,Compile extensions to use with a fuzzer for netlink)
fi
if test "${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$enable_fpm" = "xyes"])
#
# Python for clippy
#
AS_IF([test "$host" = "$build"], [
PYTHONCONFIG=""
# ordering:
# 1. try python3, but respect the user's preference on which minor ver
# 2. try python, which might be py3 or py2 again on the user's preference
# 3. try python2 (can really only be 2.7 but eh)
# 4. try 3.5 > 3.4 > 3.3 > 3.2 > 2.7 through pkg-config (no user pref)
#
# (AX_PYTHON_DEVEL has no clue about py3 vs py2)
# (AX_PYTHON does not do what we need)
AC_CHECK_TOOLS([PYTHONCONFIG], [python3-config python-config python2-config])
if test -n "$PYTHONCONFIG"; then
PYTHON_CFLAGS="`\"${PYTHONCONFIG}\" --includes`"
PYTHON_LIBS="`\"${PYTHONCONFIG}\" --libs`"
AC_MSG_CHECKING([whether we found a working Python version])
AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
#include <Python.h>
#if PY_VERSION_HEX < 0x02070000
#error python too old
#endif
int main(void);
],
[
{
Py_Initialize();
return 0;
}
])], [
PYTHONCONFIG=""
unset PYTHON_LIBS
unset PYTHON_CFLAGS
])
fi
if test -z "$PYTHONCONFIG"; then
PKG_CHECK_MODULES([PYTHON], python-3.5, [], [
PKG_CHECK_MODULES([PYTHON], python-3.4, [], [
PKG_CHECK_MODULES([PYTHON], python-3.3, [], [
PKG_CHECK_MODULES([PYTHON], python-3.2, [], [
PKG_CHECK_MODULES([PYTHON], python-2.7, [], [
AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
])])])])])
AC_MSG_CHECKING([whether we found a working Python version])
AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
#include <Python.h>
#if PY_VERSION_HEX < 0x02070000
#error python too old
#endif
int main(void);
],
[
{
Py_Initialize();
return 0;
}
])], [
AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
])
fi
])
AC_SUBST(PYTHON_CFLAGS)
AC_SUBST(PYTHON_LIBS)
#
# Logic for protobuf support.
#
if test "$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 "${enable_linux24_tcp_md5}" = "yes"; then
AC_DEFINE(HAVE_TCP_MD5_LINUX24,,Old Linux 2.4 TCP MD5 Signature Patch)
fi
AC_MSG_CHECKING(if zebra should be configurable to send Route Advertisements)
if test "${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 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 Enable code coverage
dnl --------------------
AM_CONDITIONAL([HAVE_GCOV],[test '!' "$enable_gcov" = no])
dnl ------------------------------------
dnl Alpine only accepts numeric versions
dnl ------------------------------------
if test "x${enable_numeric_version}" != "x" ; then
VERSION="`echo ${VERSION} | tr -c -d '[[.0-9]]'`"
PACKAGE_VERSION="`echo ${PACKAGE_VERSION} | tr -c -d '[[.0-9]]'`"
fi
dnl -----------------------------------
dnl Add extra version string to package
dnl name, string and version fields.
dnl -----------------------------------
if test "x${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
AC_MSG_CHECKING([which operating system interface to use])
case "$host_os" in
sunos* | solaris2*)
AC_MSG_RESULT([Solaris])
AC_DEFINE(SUNOS_5, 1, [SunOS 5])
AC_DEFINE(SOLARIS_IPV6, 1, Solaris IPv6)
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"
;;
linux*)
AC_MSG_RESULT([Linux])
AC_DEFINE(GNU_LINUX,,GNU Linux)
AC_DEFINE(HAVE_NETLINK,,netlink)
AC_DEFINE(LINUX_IPV6,1,Linux IPv6 stack)
dnl Linux has a compilation problem with mixing
dnl netinet/in.h and linux/in6.h they are not
dnl compatible. There has been discussion on
dnl how to fix it but no real progress on implementation
dnl when they fix it, remove this
AC_DEFINE(IPV6_MINHOPCOUNT, 73, Linux ipv6 Min Hop Count)
;;
openbsd*)
AC_MSG_RESULT([OpenBSD])
AC_DEFINE(OPEN_BSD,,OpenBSD)
AC_DEFINE(KAME,1,KAME IPv6)
AC_DEFINE(BSD_V6_SYSCTL,1,BSD v6 sysctl to turn on and off forwarding)
if test "x${enable_pimd}" != "xno"; then
case "$host_os" in
openbsd6.0)
;;
openbsd[6-9]*)
AC_MSG_FAILURE([pimd cannot be enabled as PIM support has been removed from OpenBSD 6.1])
;;
esac
fi
;;
*)
AC_MSG_RESULT([BSD])
AC_DEFINE(HAVE_NET_RT_IFLIST,,NET_RT_IFLIST)
AC_DEFINE(KAME,1,KAME IPv6)
AC_DEFINE(BSD_V6_SYSCTL,1,BSD v6 sysctl to turn on and off forwarding)
;;
esac
AM_CONDITIONAL(SOLARIS, test "${SOLARIS}" = "solaris")
AC_SYS_LARGEFILE
dnl ------------------------
dnl Integrated REALMS option
dnl ------------------------
if test "${enable_realms}" = "yes"; then
case "$host_os" in
linux*)
AC_DEFINE(SUPPORT_REALMS,, Realms support)
;;
*)
echo "Sorry, only Linux has REALMS support"
exit 1
;;
esac
fi
AM_CONDITIONAL([SUPPORT_REALMS], [test "${enable_realms}" = "yes"])
dnl ---------------------
dnl Integrated VTY option
dnl ---------------------
case "${enable_vtysh}" in