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configure.in
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dnl -*- mode: shell-script -*-
dnl Process this file with autoconf to produce a configure script.
dnl
dnl Permission is hereby granted, free of charge, to any person obtaining a
dnl copy of this software and associated documentation files (the "Software"),
dnl to deal in the Software without restriction, subject to the conditions
dnl listed in the Click LICENSE file. These conditions include: you must
dnl preserve this copyright notice, and you cannot mention the copyright
dnl holders in advertising related to the Software without their permission.
dnl The Software is provided WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. This
dnl notice is a summary of the Click LICENSE file; the license in that file is
dnl legally binding.
AC_INIT([click], [2.1])
AC_PREREQ(2.60)
AC_CONFIG_HEADERS([include/click/config.h:config.h.in], [echo > stamp-h])
AC_CONFIG_HEADERS([include/click/pathvars.h:pathvars.h.in])
AC_CONFIG_HEADERS([include/click/config-bsdmodule.h:config-bsdmodule.h.in include/click/config-linuxmodule.h:config-linuxmodule.h.in include/click/config-ns.h:config-ns.h.in include/click/config-userlevel.h:config-userlevel.h.in include/click/config-minios.h:config-minios.h.in])
AC_CONFIG_FILES([Makefile])
AC_CONFIG_FILES([bin/click-buildtool:click-buildtool.in], [chmod +x bin/click-buildtool])
AC_CONFIG_FILES([bin/click-compile:click-compile.in], [chmod +x bin/click-compile])
AC_CONFIG_FILES([installch], [chmod +x installch])
AC_CONFIG_FILES([share/click/config.mk:config.mk.in share/click/pkg-config.mk])
AC_CONFIG_FILES([doc/Makefile etc/libclick/Makefile tools/Makefile tools/lib/Makefile])
AC_CONFIG_SRCDIR([click-buildtool.in])
ac_user_cxx=${CXX+y}
CLICK_VERSION=$PACKAGE_VERSION
dnl NB a real tab character!
tabchar=' '
AC_SUBST(ac_configure_args)
AC_DEFINE_UNQUOTED([CLICK_VERSION], ["$CLICK_VERSION"])
AC_SUBST(CLICK_VERSION)
click_version_code_in=`echo "$CLICK_VERSION" | sed -e 's/[[a-z]].*//' | sed -e 's/$/.0/' | tr . , | sed -e 's/^\([[0-9]]*,[[0-9]]*,[[0-9]]\).*/\1/'`
AC_DEFINE_UNQUOTED([CLICK_VERSION_CODE], [CLICK_MAKE_VERSION_CODE($click_version_code_in)])
CLICK_INIT('$(top_srcdir)')
dnl support for cross compiling
AC_CANONICAL_SYSTEM
dnl This is wrong!!
AC_CHECK_TOOL(CC, gcc)
AC_CHECK_TOOL(CXX, g++)
CLICK_PROG_CC
AC_PROG_CPP
AC_C_INLINE
CLICK_PROG_CXX
AC_PROG_CXXCPP
AX_CHECK_COMPILE_FLAG(-Winconsistent-missing-override,CXXFLAGS="$CXXFLAGS -Wno-inconsistent-missing-override",:,[-Werror])
AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <new>
int main() {
std::size_t sz = 8;
std::align_val_t al{64};
void* a = operator new(sz,al);
return (a == nullptr?1:0);
}]])],[AC_DEFINE(HAVE_ALIGNED_NEW)],[],[])
CLICK_PROG_KERNEL_CC
CLICK_PROG_KERNEL_CXX
ac_preset_ar="$AR"
AC_CHECK_TOOL(AR, ar)
AC_CHECK_TOOL(LD, ld)
AC_CHECK_TOOL(NM, nm)
AC_CHECK_TOOL(OBJCOPY, objcopy)
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(READELF, readelf, :)
AC_CHECK_TOOL(STRIP, strip, :)
conf_auxdir='$(top_srcdir)'
AC_SUBST(conf_auxdir)
test -z "$AR_CREATEFLAGS" && AR_CREATEFLAGS=cru
AC_SUBST(AR_CREATEFLAGS)
EXTRA_DRIVER_OBJS=
EXTRA_TOOL_OBJS=
INCLUDES_LLVM=
LLVM_OBJS=
LIBS_LLVM=
dnl
dnl drivers
dnl
dnl userlevel driver and features
AC_ARG_ENABLE([userlevel],
[AS_HELP_STRING([--disable-userlevel], [disable user-level driver])],
[:], [enable_userlevel=yes])
AC_ARG_ENABLE([user-multithread],
[AS_HELP_STRING([ --enable-user-multithread], [support userlevel multithreading])],
[:], [enable_user_multithread=yes])
AC_ARG_ENABLE([fullpush-nonatomic],
[AS_HELP_STRING([ --disable-fullpush-nonatomic], [disable nonatomic access to packet when single-threaded fullpush context is detected])],
[:], [enable_fullpush_nonatomic=yes])
if test "x$enable_fullpush_nonatomic" = "xyes"; then
AC_DEFINE([HAVE_FULLPUSH_NONATOMIC])
fi
AC_ARG_ENABLE([batch],
[AS_HELP_STRING([ --disable-batch], [disable batching support])],
[:], [enable_batch=$enable_userlevel])
if test "x$enable_batch" = "xyes"; then
if test "x$enable_userlevel" != "xyes"; then
AC_MSG_ERROR([
=========================================
--enable-batch requires --enable-userlevel which was not provided.
=========================================])
fi
AC_DEFINE([HAVE_BATCH])
AC_SUBST(HAVE_BATCH, yes)
fi
AC_ARG_ENABLE([verbose-batch],
[AS_HELP_STRING([ --disable-verbose-batch], [disable warnings and information about batching])],
[:], [enable_verbose_batch=yes])
if test "x$enable_verbose_batch" = "xyes"; then
AC_DEFINE([HAVE_VERBOSE_BATCH])
fi
AC_ARG_ENABLE([auto-batch],
[AS_HELP_STRING([ --enable-auto-batch=[[list|jump|port]]], [make vanilla elements batch-compatible automatically])],
[:], [enable_auto_batch=no])
if test "x$enable_auto_batch" = "xno" ; then
:
elif test "x$enable_auto_batch" = "xyes" -o "x$enable_auto_batch" = "xport"; then
AC_DEFINE([HAVE_AUTO_BATCH],[AUTO_BATCH_PORT], [Define if make vanilla elements batch-compatible automatically])
elif test "x$enable_auto_batch" = "xlist"; then
AC_DEFINE([HAVE_AUTO_BATCH],[AUTO_BATCH_LIST], [Define if make vanilla elements batch-compatible automatically])
elif test "x$enable_auto_batch" = "xjump"; then
AC_DEFINE([HAVE_AUTO_BATCH],[AUTO_BATCH_JUMP], [Define if make vanilla elements batch-compatible automatically])
else
AC_MSG_ERROR([
=========================================
--enable-auto-batch only accepts jump, list or port as modes
=========================================])
fi
AC_ARG_ENABLE([netmap-pool],
[AS_HELP_STRING([ --enable-netmap-pool], [use netmap buffers instead of standard Click buffers])],
[:], [enable_netmap_pool=no])
PTHREAD_LIBS=""
AC_SUBST(PTHREAD_LIBS)
if test "x$enable_user_multithread" = xyes; then
SAVE_LIBS="$LIBS"
AC_SEARCH_LIBS([pthread_create], [pthread], [ac_have_libpthread=yes], [ac_have_libpthread=no])
AC_CHECK_HEADERS([pthread.h], [ac_have_pthread_h=yes], [ac_have_pthread_h=no])
if test "$ac_have_libpthread$ac_have_pthread_h" = yesyes; then
AC_DEFINE([HAVE_USER_MULTITHREAD])
AC_CHECK_DECLS([pthread_setaffinity_np], [], [], [#define _GNU_SOURCE
#include <pthread.h>])
if echo "$LIBS" | grep -e -lpthread >/dev/null 2>&1; then
PTHREAD_LIBS="-lpthread"
fi
else
AC_MSG_ERROR([
=========================================
Can't find -lpthread and/or <pthread.h>, so I can't compile with
--enable-user-multithread.
=========================================])
fi
LIBS="$SAVE_LIBS"
fi
save_cpp="$CPPFLAGS"
save_libs="$LIBS"
CPPFLAGS="$CPPFLAGS -I/usr/local/include/mbglib/"
LIBS="$LIBS -lmbgdevio"
AC_SEARCH_LIBS([mbg_open_device], [mbgdevio], [ac_have_libmbdevio=yes], [ac_have_libmbdevio=no])
AC_CHECK_HEADERS([mbgdevio.h], [ac_have_mbgdevio_h=yes], [ac_have_mbgdevio_h=no])
#if test "$ac_have_libpthread$ac_have_pthread_h" = yesyes; then
if test "$ac_have_mbgdevio_h" = yes; then
AC_DEFINE([HAVE_MBGLIB])
else
CPPFLAGS="$save_cpp"
LIBS="$save_libs"
fi
AC_ARG_ENABLE([bpf],
[AS_HELP_STRING([ --disable-bpf], [Compile without BPF support])],
[:], [enable_bpf=yes])
AC_SEARCH_LIBS([bpf_prog_load_xattr], [bpf], [ac_have_libbpf=yes], [ac_have_libbpf=no])
AC_CHECK_HEADERS([bpf/bpf.h], [ac_have_libbpf_h=yes], [ac_have_libbpf_h=no])
if test "x$ac_have_libbpf$ac_have_libbpf_h$enable_bpf" = "xyesyesyes"; then
AC_DEFINE([HAVE_BPF])
have_libbpf=yes
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <bpf/bpf.h>
enum bpf_stats_type test;
]], [[]])], ac_cv_bpf_has_bpf_stats_type=yes, ac_cv_bpf_has_bpf_stats_type=no)
if test "x$ac_cv_bpf_has_bpf_stats_type" = "xyes"; then
AC_DEFINE([HAVE_BPF_STATS_TYPE])
fi
else
have_libbpf=no
enable_bpf=no
fi
AC_SEARCH_LIBS([curl_global_init], [curl], [ac_have_curl=yes], [ac_have_curl=no])
AC_CHECK_HEADERS([curl/curl.h], [ac_have_curl_h=yes], [ac_have_curl_h=no])
if test "$ac_have_curl$ac_have_curl_h" = yesyes; then
AC_DEFINE([HAVE_CURL])
fi
AC_SEARCH_LIBS([elf_version], [elf], [ac_have_elf=yes], [ac_have_elf=no])
AC_SEARCH_LIBS([MHD_start_daemon], [microhttpd], [ac_have_libmicrohttpd=yes], [ac_have_libmicrohttpd=no])
AC_CHECK_HEADERS([microhttpd.h], [ac_have_microhttpd_h=yes], [ac_have_microhttpd_h=no])
if test "x$ac_have_libmicrohttpd$ac_have_microhttpd_h" = "xyesyes"; then
have_httpd=yes
AC_DEFINE([HAVE_MICROHTTPD])
else
have_httpd=no
fi
AC_CHECK_LIB([re2], [main], [ac_have_re2=yes], [ac_have_re2=no])
AC_CHECK_HEADERS([re2/re2.h], [ac_have_re2_h=yes], [ac_have_re2_h=no])
if test "x$ac_have_re2$ac_have_re2_h" = "xyesyes"; then
have_re2=yes
LIBS="$LIBS -lre2"
AC_DEFINE([HAVE_RE2])
else
have_re2=no
fi
AC_CHECK_LIB([hs], [hs_compile_multi], [ac_have_hyperscan=yes], [ac_have_hyperscan=no])
AC_CHECK_HEADERS([hs/hs.h], [ac_have_hyperscan_h=yes], [ac_have_hyperscan_h=no])
if test "x$ac_have_hyperscan$ac_have_hyperscan_h" = "xyesyes"; then
have_hyperscan=yes
LIBS="$LIBS -lhs"
AC_DEFINE([HAVE_HYPERSCAN],[1],[Have the hyperscan library for regex matching.])
else
have_hyperscan=no
fi
AC_SEARCH_LIBS([PAPI_start_counters], [papi], [ac_have_papi=yes], [ac_have_papi=no])
AC_CHECK_HEADERS([papi.h], [ac_have_papi_h=yes], [ac_have_papi_h=no])
if test "x$ac_have_papi_h$ac_have_papi" = "xyesyes"; then
AC_DEFINE([HAVE_PAPI],[1],[Have the libpapi library for performance counters.])
have_papi=yes
else
have_papi=no
fi
AC_DEFINE([HAVE_JSON])
AC_CHECK_LIB([pci], [main], [ac_have_pci=yes], [ac_have_pci=no])
AC_CHECK_HEADERS([pci/pci.h], [ac_have_pci_h=yes], [ac_have_pci_h=no])
if test "x$ac_have_pci$ac_have_pci_h" = "xyesyes"; then
have_pci=yes
LIBS="$LIBS -lpci"
AC_DEFINE([HAVE_PCI])
else
have_pci=no
fi
AC_ARG_ENABLE([rand-align],
[AS_HELP_STRING([ --enable-rand-align], [enable random alignment of element])],
[:], [enable_rand_align=no])
if test "x$enable_rand_align" = "xyes"; then
AC_DEFINE([HAVE_RAND_ALIGN])
AC_SUBST(DO_RAND_ALIGN,1)
else
AC_SUBST(DO_RAND_ALIGN,0)
fi
AC_ARG_ENABLE([select],
[AS_HELP_STRING([ --enable-select=[[select|poll|kqueue]]], [set file descriptor wait mechanism])
AS_HELP_STRING([ --disable-select], [do not use select()])],
[:], [enable_select="select poll kqueue"])
AC_ARG_ENABLE([poll],
[AS_HELP_STRING([ --disable-poll], [do not use poll()])],
[:], [enable_poll=yes])
AC_ARG_ENABLE([kqueue],
[AS_HELP_STRING([ --disable-kqueue], [do not use kqueue()])],
[:], [enable_kqueue=yes])
if test "$enable_select" = yes; then
enable_select='select poll kqueue'
elif test "$enable_select" = no; then
enable_select='poll kqueue'
fi
if echo "$enable_select" | grep select >/dev/null 2>&1; then
AC_DEFINE([HAVE_ALLOW_SELECT], [1], [Define if select() may be used to wait for file descriptor events.])
fi
if echo "$enable_select" | grep poll >/dev/null 2>&1 && test "$enable_poll" = yes; then
AC_DEFINE([HAVE_ALLOW_POLL], [1], [Define if poll() may be used to wait for file descriptor events.])
fi
if echo "$enable_select" | grep kqueue >/dev/null 2>&1 && test "$enable_kqueue" = yes; then
AC_DEFINE([HAVE_ALLOW_KQUEUE], [1], [Define if kqueue() may be used to wait for file descriptor events.])
fi
dnl
dnl check whether tools should be built for host or build
dnl
AC_ARG_ENABLE([dpdk],
[AS_HELP_STRING([ --enable-dpdk], [use DPDK])],
[:], [enable_dpdk=no])
AC_ARG_ENABLE([dpdk-pool],
[AS_HELP_STRING([ --enable-dpdk-pool], [use DPDK buffer instead of standard Click buffer])],
[:], [enable_dpdk_pool=no])
AC_ARG_ENABLE([dpdk-xchg],
[AS_HELP_STRING([ --enable-dpdk-xchg], [use DPDK XCHG API])],
[:], [enable_dpdk_xchg=no])
AC_ARG_ENABLE([dpdk-packet],
[AS_HELP_STRING([ --enable-dpdk-packet],
[Click packets are DPDK packet])],
[:], [enable_dpdk_packet=no])
AC_ARG_ENABLE([dpdk-softqueue],
[AS_HELP_STRING([ --disable-dpdk-softqueue],
[Do not use internal software queue in TX to buffer packets before flushing.])],
[:], [AC_DEFINE(HAVE_IQUEUE)])
AC_ARG_ENABLE([flow-api], [AS_HELP_STRING([ --enable-flow-api], [Support for the HW flow classification API. Also needs DPDK>=20.02])], [:], [enable_flow_api=no])
AC_ARG_ENABLE([click-pool],
[AS_HELP_STRING([ --disable-click-pool], [allow usage of Click Packet pool. It will still only be effectively enabled in specific (but most) cases, see packet.hh])],
[:], [enable_click_pool=yes;AC_DEFINE(HAVE_ALLOW_CLICK_PACKET_POOL,[1],[Define if Click packet pool can be used if others flags allow it (see packet.hh).])])
AC_ARG_ENABLE([pool-inlining],
[AS_HELP_STRING([ --disable-pool-inlining],
[Do not optimize pool_prepare_data_burst function before data structure reordering done at the IR level.])],
[:], [AC_DEFINE(POOL_INLINING)])
AC_ARG_ENABLE([inlined-allanno],
[AS_HELP_STRING([ --enable-inlined-allanno],
[Inline AllAnno struct into Packet class, facilitating the data structure reordering.])],
[:], [enable_inlined_allanno=no])
if test "x$enable_inlined_allanno" = "xyes"; then
AC_DEFINE([INLINED_ALLANNO])
fi
AC_ARG_ENABLE([zerocopy],
[AS_HELP_STRING([ --disable-zerocopy], [disable Zero Copy])],
[:], [enable_zerocopy=yes])
if test "x$enable_zerocopy" = xyes; then
AC_DEFINE(HAVE_ZEROCOPY)
fi
AC_ARG_ENABLE([clone],
[AS_HELP_STRING([ --disable-clone], [disable packet cloning])],
[:],[:])
if test "$enable_clone" = no; then
AC_DEFINE(CLICK_NOINDIRECT)
fi
AC_ARG_ENABLE([rsspp],
[AS_HELP_STRING([ --disable-rsspp], [disable RSS++ (enabled if --enable-cpu-load by default)])],
[:],[enable_rsspp=yes])
dnl linuxmodule driver and features
AC_ARG_ENABLE([linuxmodule],
[AS_HELP_STRING([--enable-linuxmodule], [disable Linux kernel driver])],
[:], [enable_linuxmodule=no; enable_linuxmodule_default=no])
AC_ARG_ENABLE([fixincludes],
[AS_HELP_STRING([ --disable-fixincludes], [do not patch Linux kernel headers for C++])],
[:], [enable_fixincludes=yes])
LINUXMODULE_FIXINCLUDES=
if test "$enable_fixincludes" = yes; then
LINUXMODULE_FIXINCLUDES=1
fi
AC_SUBST(LINUXMODULE_FIXINCLUDES)
AC_ARG_ENABLE([multithread],
[AS_HELP_STRING([ --enable-multithread], [support kernel multithreading])],
[:], [enable_multithread=no])
if test "$enable_multithread" != no -a "$enable_multithread" != 1; then
AC_DEFINE_UNQUOTED(__MTCLICK__, 1)
AC_DEFINE_UNQUOTED(HAVE_LINUXMODULE_MULTITHREAD, 1)
saveflags="$CPPFLAGS"
CPPFLAGS="$saveflags -D__MTCLICK__"
else
enable_multithread=no
fi
AC_ARG_ENABLE([warp9],
[AS_HELP_STRING([ --enable-warp9], [reduce PollDevice functionality for speed])],
[:], [enable_warp9=no])
if test "x$enable_warp9" = xyes; then
AC_DEFINE(CLICK_WARP9)
fi
AC_DEFINE(HAVE_CLICKFS)
AC_ARG_ENABLE([kassert],
[AS_HELP_STRING([ --enable-kassert], [enable kernel assertions])],
[:], [enable_kassert=no])
if test $enable_kassert = yes; then
AC_DEFINE(HAVE_KERNEL_ASSERT)
fi
AC_ARG_ENABLE([adaptive],
[AS_HELP_STRING([ --enable-adaptive], [use adaptive scheduler to flexibly arbitrate
between Click and the kernel (EXPERIMENTAL)])],
[:], [enable_adaptive=no])
if test "x$enable_adaptive" = xyes; then
AC_DEFINE(HAVE_ADAPTIVE_SCHEDULER)
fi
AC_ARG_ENABLE([linux-symbols],
[AS_HELP_STRING([ --disable-linux-symbols], [do not export Click symbols (breaks packages)])],
[:], [enable_linux_symbols=yes])
INCLUDE_KSYMS=no
if test "x$enable_linux_symbols" = xyes; then
INCLUDE_KSYMS=yes
fi
AC_SUBST(INCLUDE_KSYMS)
dnl bsdmodule driver and features
AC_ARG_ENABLE([bsdmodule],
[AS_HELP_STRING([--enable-bsdmodule], [enable FreeBSD kernel driver (EXPERIMENTAL)])],
[:], [enable_bsdmodule=no])
AC_ARG_ENABLE([netisr],
[AS_HELP_STRING([ --disable-netisr], [disable NETISR scheduling in BSD])],
[:], [enable_netisr=yes])
if test $enable_netisr = yes; then
AC_DEFINE(BSD_NETISRSCHED)
fi
dnl nsclick driver and features
AC_ARG_ENABLE([nsclick],
[AS_HELP_STRING([--enable-nsclick], [enable NS simulator driver])],
[:], [enable_nsclick=no])
dnl minios driver
AC_ARG_ENABLE([minios],
[AS_HELP_STRING([--enable-minios], [enable MiniOS application])],
[:], [enable_minios=no])
AC_ARG_WITH([xen],
[AS_HELP_STRING([[--with-xen[=PATH]]], [Xen source code is in PATH])],
[xenpath=$withval], [xenpath=NONE])
AC_ARG_WITH([minios],
[AS_HELP_STRING([[--with-minios[=PATH]]], [MiniOS source code is in PATH])],
[miniospath=$withval], [miniospath=NONE])
AC_ARG_WITH([newlib],
[AS_HELP_STRING([[--with-newlib[=PATH]]], [Newlib is installed in PATH])],
[newlibpath=$withval], [newlibpath=NONE])
AC_ARG_WITH([lwip],
[AS_HELP_STRING([[--with-lwip[=PATH]]], [Lwip is installed in PATH])],
[lwippath=$withval], [lwippath=NONE])
if test "$enable_minios" = yes; then
if test "$xenpath" = NONE; then
xenpath="../xen"
fi
if test "$miniospath" = NONE; then
miniospath="../mini-os"
fi
if test "$newlibpath" = NONE; then
newlibpath="../toolchain/x86_64-root/x86_64-xen-elf"
fi
if test "$lwippath" = NONE; then
lwippath="../toolchain/x86_64-root/x86_64-xen-elf"
fi
xenpath="`readlink -f $xenpath`"
if test ! -d "$xenpath"; then
AC_MSG_ERROR([
=========================================
Can't find $xenpath, so I can't compile the minios driver!
(You may need the --with-xen=DIR option.)
=========================================])
fi
miniospath="`readlink -f $miniospath`"
if test ! -d "$miniospath"; then
AC_MSG_ERROR([
=========================================
Can't find $miniospath, so I can't compile the minios driver!
(You may need the --with-minios=DIR option.)
=========================================])
fi
newlibpath="`readlink -f $newlibpath`"
if test ! -d "$newlibpath"; then
AC_MSG_ERROR([
=========================================
Can't find $newlibpath, so I can't compile the minios driver!
(You may need the --with-newlib=DIR option.)
=========================================])
fi
lwippath="`readlink -f $lwippath`"
if test ! -d "$lwippath"; then
AC_MSG_ERROR([
=========================================
Can't find $lwippath, so I can't compile the minios driver!
(You may need the --with-lwip=DIR option.)
=========================================])
fi
xen_dir=$xenpath
AC_SUBST(xen_dir)
minios_dir=$miniospath
AC_SUBST(minios_dir)
newlib_dir=$newlibpath
AC_SUBST(newlib_dir)
lwip_dir=$lwippath
AC_SUBST(lwip_dir)
fi
dnl
dnl How to build linuxmodule driver?
dnl
AC_ARG_WITH([linux],
[AS_HELP_STRING([[--with-linux[=PATH]]], [Linux source code is in PATH])],
[linuxpath=$withval], [linuxpath=NONE])
test -z "$linuxpath" -o "$linuxpath" = yes && linuxpath=yes
AC_ARG_WITH([linux-map],
[AS_HELP_STRING([[--with-linux-map[=FILE]]], [filename for Linux System.map [LINUXDIR/System.map]])],
[linux_system_map=$withval; if test -z "$withval" -o "$withval" = yes; then linux_system_map=NONE; fi],
[linux_system_map=NONE])
linux_system_map_boot=no
if test "x$linuxpath" = xNONE -o "x$linuxpath" = xyes; then
if uname -r 2>/dev/null | grep '^\(2\.6\|3\.\)' >/dev/null 2>&1; then
linuxpath=/lib/modules/"`uname -r`"/build
linux_system_map_boot="`uname -r`"
else
linuxpath=/usr/src/linux
fi
if test ! -d "$linuxpath" -a "x$enable_linuxmodule" = xyes; then
if test "x$enable_linuxmodule_default" = xyes; then
linuxpath=NONE; enable_linuxmodule=no
else
AC_MSG_ERROR([
=========================================
Can't find $linuxpath, so I can't compile the linuxmodule driver!
(You may need the --with-linux=DIR option.)
=========================================])
fi
fi
fi
dnl find files in the Linux path
find_linuxpath () {
path="$linuxpath"
while test -n "$path"; do
l=`echo "$path" | sed 's/^\([[^:]]*\).*/\1/'`
path=`echo "$path" | sed 's/^[[^:]]*:*//'`
if test -n "$l" -a -f "$l/$1"; then
echo "$l/$1"
return
fi
done
echo "/nonexistent_file"
}
if test "x$linuxpath" = xNONE -o "x$linuxpath" = xno -o "x$enable_linuxmodule" != xyes; then
ac_have_linux_kernel=n
linuxpath=NONE
linux_srcdir=NONE
linux_builddir=NONE
else
dnl check $linuxpath for relative directories
path="$linuxpath"
while test -n "$path"; do
l=`echo "$path" | sed 's/^\([[^:]]*\).*/\1/'`
path=`echo "$path" | sed 's/^[[^>]]*:*//'`
if test -n "$l" && expr "_$l" : '_[[^/\\]]' >/dev/null; then
AC_MSG_ERROR([
=========================================
The --with-linux directory $l is relative.
All Linux directories must be absolute paths starting with /.
=========================================])
fi
done
linux_skbuff_h=`find_linuxpath include/linux/skbuff.h`
if test -r "$linux_skbuff_h"; then
linux_srcdir=`echo "$linux_skbuff_h" | sed 's_include/linux/skbuff\.h__'`
ac_have_linux_kernel=y
else
AC_MSG_ERROR([
=========================================
Can't find include/linux/skbuff.h in $linuxpath.
Are you sure $linuxpath contains Linux kernel source?
=========================================])
dnl ' fix syntax highlighting
fi
linux_config=`find_linuxpath .config`
if test -r "$linux_config"; then
linux_builddir=`echo "$linux_config" | sed 's_/\.config__'`
else
AC_MSG_ERROR([
=========================================
Can't find .config in $linuxpath.
Are you sure $linuxpath contains a Linux kernel build?
=========================================])
dnl ' fix syntax highlighting
fi
fi
AC_SUBST(linux_builddir)
AC_SUBST(linux_srcdir)
AC_DEFINE_UNQUOTED(LINUX_SRCDIR, "${linux_srcdir}")
dnl
dnl element collections
dnl
AC_ARG_ENABLE([all-elements], [AS_HELP_STRING([--enable-all-elements], [include all provided element groups])])
dnl ELEMENTS_ARG_ENABLE(COLLECTION, HELP-STRING, DEFAULT-VALUE, IF_YES, COND_FOR_ENABLE_ALL)
element_groups=""
AC_SUBST(element_groups)
AC_DEFUN([ELEMENTS_ARG_ENABLE],
[AC_ARG_ENABLE($1, [ --]builtin(substr, builtin(ifelse, [$3], yes, dis, en)[able-$1 ], 0, 21)[ ]builtin(ifelse, [$3], yes, [do not ], [])[$2], ,
[enable_]patsubst([$1], -, _)=$3)dnl
test "x$enable_all_elements" = xyes -a \( ["x$enable_]patsubst([$1], -, _)["] = xNO -o ["x$enable_]patsubst([$1], -, _)["] = x \)$5 && [enable_]patsubst([$1], -, _)[=yes]
if test ["x$enable_]patsubst([$1], -, _)["] = xyes; then
:
$4
fi])
ELEMENTS_ARG_ENABLE(analysis, [include elements for network analysis], yes)
ELEMENTS_ARG_ENABLE(app, [include application-level elements], yes)
ELEMENTS_ARG_ENABLE(aqm, [include active queue management elements], yes)
ELEMENTS_ARG_ENABLE(ethernet, [include Ethernet elements], yes)
ELEMENTS_ARG_ENABLE(etherswitch, [include Ethernet switch elements], NO)
ELEMENTS_ARG_ENABLE(flow, [include Enable flow system and elements], NO, enable_flow=yes, [ -a "x$enable_batch" = xyes ] )
ELEMENTS_ARG_ENABLE(ctx, [include Context-based elements], NO, enable_ctx=yes , [ -a "x$enable_flow" = xyes ] )
ELEMENTS_ARG_ENABLE(grid, [include Grid elements (see FAQ)], NO)
ELEMENTS_ARG_ENABLE(icmp, [include ICMP elements], yes)
ELEMENTS_ARG_ENABLE(ip, [include IP elements], yes)
ELEMENTS_ARG_ENABLE(ip6, [include IPv6 elements], NO, AC_DEFINE(HAVE_IP6))
ELEMENTS_ARG_ENABLE(ipsec, [include IP security elements], NO, AC_DEFINE(HAVE_IPSEC))
ELEMENTS_ARG_ENABLE(local, [include local elements], NO)
ELEMENTS_ARG_ENABLE(radio, [include radio elements], NO)
ELEMENTS_ARG_ENABLE(research, [include research elements], NO)
ELEMENTS_ARG_ENABLE(simple, [include simple versions of other elements], yes)
dnl ELEMENTS_ARG_ENABLE(snmp, [include SNMP elements], NO)
ELEMENTS_ARG_ENABLE(standard, [include standard elements], yes)
ELEMENTS_ARG_ENABLE(tcpudp, [include TCP and UDP elements], yes)
ELEMENTS_ARG_ENABLE(test, [include regression test elements], yes)
ELEMENTS_ARG_ENABLE(threads, [include thread management elements], yes)
ELEMENTS_ARG_ENABLE(tunnel, [include tunnelling elements], NO)
ELEMENTS_ARG_ENABLE(wifi, [include wifi elements and support], NO)
AC_ARG_ENABLE(experimental, [AS_HELP_STRING([--enable-experimental], [enable experimental elements in normal groups])], :, enable_experimental=no)
AC_ARG_ENABLE(skip-elements, [AS_HELP_STRING([--enable-skip-elements=ELTS], [disable comma-separated elements])], :, enable_skip_elements=no)
all_element_groups=
for i in `(cd $srcdir/elements; ls | sed '/^CVS$/d;/^\.git/d;/^bsdmodule$/d;/^linuxmodule$/d;/^ns$/d;/^userlevel$/d;/^minios$/d')`; do
enableval=`eval 'echo $'"enable_$i"`
test "x$enable_all_elements" = xyes -a "x$enableval" '=' xyes && enableval=yes
test -d "$srcdir/elements/$i" -a "$enableval" = "yes" && element_groups="$element_groups $i"
test -d "$srcdir/elements/$i" && all_element_groups="$all_element_groups$i "
done
AC_SUBST([all_element_groups])
FINDELEMFLAGS=
if test "x$enable_skip_elements" != xno -a "x$enable_skip_elements" != xyes; then
FINDELEMFLAGS="-x '$enable_skip_elements'"
fi
AC_SUBST([FINDELEMFLAGS])
dnl
dnl How to build bsdmodule driver?
dnl
AC_ARG_WITH(freebsd, [[ --with-freebsd[=SRC,INC] FreeBSD source code is in SRC [/usr/src/sys],
include directory is INC [/usr/include]]],
[freebsddir=$withval; if test -z "$withval" -o "$withval" = yes; then freebsddir=/usr/src/sys,/usr/include; fi],
freebsddir=NONE)
if test "x$freebsddir" = xNONE; then
if test -d /usr/src/sys -a -d /usr/include; then
freebsddir=/usr/src/sys,/usr/include
elif test "x$enable_bsdmodule" = xyes; then
AC_MSG_WARN([
=========================================
Can't find /usr/src/sys and/or /usr/include, so I'm not compiling
the bsdmodule driver. (You may need the --with-freebsd=DIR option.)
=========================================])
fi
fi
freebsd_srcdir=`echo "$freebsddir," | sed -e 's/,.*//'`
freebsd_includedir=`echo "$freebsddir,/usr/include," | sed -e 's/^[[^,]]*,\([[^,]]*\),.*$/\1/'`
if test "x$freebsddir" = xNONE -o "x$freebsddir" = xno -o "x$enable_bsdmodule" != xyes; then
ac_have_bsd_kernel=n
freebsddir=NONE
elif expr '(' "_$freebsd_includedir" : '_[[^/\\]]' ')' '|' '(' "_$freebsd_srcdir" : '_[[^/\\]]' ')'; then
AC_MSG_ERROR([
=========================================
The --with-freebsd directories $freebsd_srcdir,$freebsd_includedir
are relative. You must supply absolute paths starting with /.
=========================================])
elif test -r $freebsd_includedir/net/if_var.h -a -r $freebsd_srcdir/kern/vnode_if.src; then
ac_have_bsd_kernel=y
else
AC_MSG_ERROR([
=========================================
Can't find $freebsd_includedir/net/if_var.h and/or
$freebsd_srcdir/kern/vnode_if.src. Are you sure $freebsd_srcdir
and $freebsd_includedir contain FreeBSD kernel source?
=========================================])
dnl ' fix syntax highlighting
fi
AC_SUBST(freebsd_srcdir)
AC_SUBST(freebsd_includedir)
AC_DEFINE_UNQUOTED(FREEBSD_INCLUDEDIR, "${freebsd_includedir}")
dnl
dnl check whether target is Linux
dnl
AC_CACHE_CHECK([whether we are compiling for Linux], [ac_cv_under_linux],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[#ifndef __linux__
#error "unsupported"
#endif
return 0;]])], ac_cv_under_linux=yes, ac_cv_under_linux=no)])
AC_CACHE_CHECK([whether we are compiling for Apple Mach], [ac_cv_under_mach],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[#if !(defined(__MACH__) && defined(__APPLE__))
#error "unsupported"
#endif
return 0;]])], ac_cv_under_mach=yes, ac_cv_under_mach=no)])
dnl
dnl functions
dnl
AC_LANG([C])
AC_REPLACE_FUNCS(strerror)
AC_CHECK_FUNCS(random snprintf strnlen strtof strtold strtoul tcgetpgrp vsnprintf aligned_alloc)
AC_LANG([C++])
dnl
dnl integer types, endianness, int64, addressable va_list
dnl
AC_ARG_ENABLE([smaller-code],
[AS_HELP_STRING([--enable-smaller-code], [generate smaller code (sometimes slower)])],
[:], [enable_smaller_code=no])
if test "x$enable_smaller_code" = xyes; then
AC_DEFINE([CLICK_OPTIMIZE_SIZE], [1], [Define to generate smaller object files.])
fi
AC_ARG_ENABLE([int64],
[AS_HELP_STRING([--disable-int64], [disable 64-bit integer support])],
[:], [enable_int64=yes])
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(size_t)
AC_CHECK_SIZEOF(ptrdiff_t)
AC_CHECK_SIZEOF([void *])
CLICK_CHECK_INTEGER_TYPES
CLICK_CHECK_ALIGNMENT
if test "x$enable_int64" = xyes; then
AC_CHECK_SIZEOF([long long])
CLICK_CHECK_INT64_TYPES
fi
CLICK_CHECK_ENDIAN
CLICK_CHECK_SIGNED_SHIFT
CLICK_CHECK_ADDRESSABLE_VA_LIST
CLICK_CHECK_COMPILER_INTRINSICS
AX_CXX_COMPILE_STDCXX(17,[],optional)
dnl
dnl timestamps
dnl
AC_CHECK_HEADERS_ONCE([time.h])
AC_CHECK_SIZEOF([struct timeval])
AC_CHECK_TYPES([struct timespec], [have_timespec=yes], [have_timespec=no],
[AC_INCLUDES_DEFAULT
[#ifdef HAVE_TIME_H]
[# include <time.h>]
[#endif]])
if test "x$have_timespec" = xyes; then
AC_CHECK_SIZEOF([struct timespec])
fi
CLICK_CHECK_POSIX_CLOCKS
AC_ARG_ENABLE([nanotimestamp],
[AS_HELP_STRING([--enable-nanotimestamp], [enable nanosecond timestamps (default if clock_gettime is available)])])
# Default to nanosecond-precision timestamps if clock_gettime is available.
if test "x$enable_nanotimestamp" = x -a "x$have_clock_gettime" = xyes; then
enable_nanotimestamp=yes
fi
if test "x$enable_nanotimestamp" = xyes; then
AC_DEFINE([HAVE_NANOTIMESTAMP_ENABLED], [1], [Define if nanosecond-granularity timestamps are enabled.])
fi
AC_ARG_ENABLE([simtime],
[AS_HELP_STRING([--enable-simtime], [enable support for simulated timing])],
[AC_DEFINE([HAVE_SIMTIME])], [enable_simtime=no])
AC_ARG_ENABLE([user_timestamp],
[AS_HELP_STRING([--enable-user-timestamp], [enable support for user-provided clock system])],
[:], [enable_user_timestamp=no])
if test "x$enable_user_timestamp" = xyes; then
if test "x$have_int64_types" != xyes; then
AC_MSG_ERROR([
=========================================
User-based timestamp needs 64bits types !
=========================================])
fi
AC_DEFINE([HAVE_USER_TIMING], [1], [Define if user-provided clock system is supported.])
fi
dnl
dnl check forms of port transfer
dnl
AC_ARG_ENABLE(bound-port-transfer,
[AS_HELP_STRING([--enable-bound-port-transfer], [enable port transfer function ptr optimization])],
:, enable_bound_port_transfer=no)
if test "$enable_bound_port_transfer" = yes; then
AC_DEFINE([HAVE_BOUND_PORT_TRANSFER], [1], [Define if Port::push/Port::pull should use bound function pointers.])
if test -z "${CXX##*clang*}" ; then
AC_MSG_ERROR([--enable-bound-port-transfer does not work with Clang! A better solution is to use click-devirtualize in any case. Remove this option or use GCC (you probably have your CXX environment variable set to clang++).])
fi
CXXFLAGS="$CXXFLAGS -Wno-pmf-conversions"
fi
AX_CHECK_COMPILE_FLAG([-faligned-new], [have_aligned_new=yes], [have_aligned_new=no])
if test "x$have_aligned_new" = xyes; then
CXXFLAGS="$CXXFLAGS -faligned-new"
fi
if test "x$enable_flow" = xyes; then
if test "x$enable_batch" != xyes; then
AC_MSG_ERROR([--enable-flow needs --enable-batch! Flow subsystem will be disabled.])
else
AC_DEFINE(HAVE_FLOW)
fi
AC_SUBST(USE_FLOW, yes)
fi
if test "x$enable_ctx" = xyes; then
AC_DEFINE(HAVE_CTX)
AC_SUBST(USE_CTX, yes)
else
enable_ctx="no"
fi
m4_divert_once([HELP_ENABLE], [[ Optional features about flow and context:]])
AC_ARG_ENABLE([ctx-global-timeout],
[AS_HELP_STRING([ --disable-ctx-global-timeout], [disable sloppy CTX timeouts. Enabled if CTX is enabled by default.])],
[:], [enable_ctx_global_timeout=$enable_ctx])
if test "x$enable_ctx_global_timeout" = xyes; then
AC_DEFINE(HAVE_CTX_GLOBAL_TIMEOUT)
fi
AC_ARG_ENABLE([flow-atomic],
[AS_HELP_STRING([ --disable-flow-atomic], [use non-atomic flow reference counting])],
[:], [enable_flow_atomic=yes])
if test "x$enable_flow_atomic" = xyes; then
AC_DEFINE(FLOW_ATOMIC_USE_COUNT)
fi
AC_ARG_ENABLE([flow-dynamic],
[AS_HELP_STRING([ --enable-flow-dynamic], [enable dynamic reference counting to automatically acquire and relealse flow control blocksic flow system])],
[:], [enable_flow_dynamic=no])
if test "x$enable_flow$enable_flow_dynamic" = xyesyes; then
AC_DEFINE(HAVE_FLOW_DYNAMIC)
fi
AC_ARG_ENABLE([flow-structure],
[AS_HELP_STRING([ --disable-flow-structure], [do not free classifier nodes in pool, mark them as released to somehow keep the receive strucutre intact])],
[:], [enable_flow_structure=yes])
if test "x$enable_flow_structure" = xyes; then
AC_DEFINE(FLOW_KEEP_STRUCTURE)
fi
AC_ARG_ENABLE([flow-hash],
[AS_HELP_STRING([ --enable-flow-hash=[[reset|keep|epoch]]], [set flow hashtable release mechanism])],
[:], [enable_flow_hash=""])
if echo "$enable_flow_hash" | grep epoch >/dev/null 2>&1; then
AC_DEFINE([FLOW_HASH_RELEASE], [2], [Flow hash is in epoch mode.])
elif echo "$enable_flow_hash" | grep keep >/dev/null 2>&1; then
AC_DEFINE([FLOW_HASH_RELEASE], [1], [Flow hash is in keep mode.])
elif echo "$enable_flow_hash" | grep reset >/dev/null 2>&1; then
AC_DEFINE([FLOW_HASH_RELEASE], [0], [Flow hash is in reset mode.])
else
if test "x$enable_flow_structure" = xyes; then
AC_DEFINE([FLOW_HASH_RELEASE], [1], [Flow hash is in keep mode.])
else
AC_DEFINE([FLOW_HASH_RELEASE], [2], [Flow hash is in epoch mode.])
fi
fi
AC_ARG_ENABLE(tools,
[AS_HELP_STRING([--enable-tools=WHERE],[enable tools (host/build/mixed/no) [[mixed]]])],
:, enable_tools=mixed)
if test "$enable_tools" != mixed -a "$enable_tools" != host -a "$enable_tools" != build -a "$enable_tools" != no; then
AC_MSG_ERROR([
=========================================
Bad value for --enable-tools. Try 'host', 'build', 'mixed', or 'no'.
=========================================])
elif test "$enable_tools" = no; then
HOST_TOOLS=host
elif test "$cross_compiling" = no -o "$enable_tools" = host; then
HOST_TOOLS=host
else
dnl This is wrong!! Should at least check that HOST_CC and HOST_CXX work.
AC_CHECK_PROGS(BUILD_CC, gcc)
AC_CHECK_PROGS(BUILD_CXX, g++)
CLICK_PROG_BUILD_CXX
AC_CHECK_PROGS(BUILD_AR, ar)
AC_CHECK_PROGS(BUILD_RANLIB, ranlib, :)
HOST_TOOLS=$enable_tools
fi
AC_SUBST(HOST_TOOLS)
dnl