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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
CLICK_PROG_KERNEL_CC
CLICK_PROG_KERNEL_CXX
ac_preset_ar="$AR"
AC_CHECK_TOOL(AR, ar)
AC_CHECK_TOOL(LD, ld)
AC_CHECK_TOOL(NM, nm)
AC_CHECK_TOOL(OBJCOPY, objcopy)
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(STRIP, strip, :)
conf_auxdir='$(top_srcdir)'
AC_SUBST(conf_auxdir)
test -z "$AR_CREATEFLAGS" && AR_CREATEFLAGS=cru
AC_SUBST(AR_CREATEFLAGS)
dnl
dnl drivers
dnl
dnl userlevel driver and features
AC_ARG_ENABLE([userlevel],
[AS_HELP_STRING([--disable-userlevel], [disable user-level driver])],
[:], [enable_userlevel=yes])
AC_ARG_ENABLE([user-multithread],
[AS_HELP_STRING([ --enable-user-multithread], [support userlevel multithreading])],
[:], [enable_user_multithread=no])
PTHREAD_LIBS=""
AC_SUBST(PTHREAD_LIBS)
if test "x$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="$SAVE_LIBS"
fi
AC_ARG_ENABLE([select],
[AS_HELP_STRING([ --enable-select=[[select|poll|kqueue]]], [set file descriptor wait mechanism])
AS_HELP_STRING([ --disable-select], [do not use select()])],
[:], [enable_select="select poll kqueue"])
AC_ARG_ENABLE([poll],
[AS_HELP_STRING([ --disable-poll], [do not use poll()])],
[:], [enable_poll=yes])
AC_ARG_ENABLE([kqueue],
[AS_HELP_STRING([ --disable-kqueue], [do not use kqueue()])],
[:], [enable_kqueue=yes])
if test "$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
AC_ARG_ENABLE([dpdk],
[AS_HELP_STRING([ --enable-dpdk], [use DPDK])],
[:], [enable_dpdk=no])
if test "x$enable_dpdk" = "xyes"; then
if test -z "$RTE_SDK_BIN"; then
RTE_SDK_BIN=$RTE_SDK/$RTE_TARGET
fi
if test -z "$RTE_LIBNAME"; then
RTE_LIBNAME=dpdk
fi
if test "x$enable_user_multithread" != "xyes"; then
AC_MSG_ERROR([
=========================================
--enable-dpdk requires --enable-user-multithread which was not provided.
=========================================])
fi
if test ! -f "$RTE_SDK_BIN/include/rte_eal.h"; then
AC_MSG_ERROR([
=========================================
Cannot find \$RTE_SDK_BIN/include/rte_eal.h for DPDK.
Define \$RTE_SDK and \$RTE_TARGET as per DPDK documentation.
=========================================])
fi
rte_ver_major=`grep "#define RTE_VER_MAJOR" "$RTE_SDK_BIN/include/rte_version.h" | head -n 1 | awk '{print $3}'`
rte_ver_minor=`grep "#define RTE_VER_MINOR" "$RTE_SDK_BIN/include/rte_version.h" | head -n 1 | awk '{print $3}'`
rte_ver_year=`grep "#define RTE_VER_YEAR" "$RTE_SDK_BIN/include/rte_version.h" | head -n 1 | awk '{print $3}'`
rte_ver_month=`grep "#define RTE_VER_MONTH" "$RTE_SDK_BIN/include/rte_version.h" | head -n 1 | awk '{print $3}'`
AC_SUBST(RTE_SDK)
AC_SUBST(RTE_TARGET)
AC_SUBST(RTE_SDK_BIN)
AC_SUBST(RTE_VER_MAJOR, $rte_ver_major)
AC_SUBST(RTE_VER_MINOR, $rte_ver_minor)
AC_SUBST(RTE_VER_YEAR, $rte_ver_year)
AC_SUBST(RTE_VER_MONTH, $rte_ver_month)
AC_DEFINE([HAVE_DPDK])
AC_SUBST(USE_DPDK, yes)
AC_SUBST(DPDK_INCLUDES, -I${RTE_SDK_BIN}/include/)
fi
dnl linuxmodule driver and features
AC_ARG_ENABLE([linuxmodule],
[AS_HELP_STRING([--disable-linuxmodule], [disable Linux kernel driver])],
[:], [enable_linuxmodule=yes; enable_linuxmodule_default=yes])
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)
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 \( ["x$enable_]patsubst([$1], -, _)["] = xNO -o ["x$enable_]patsubst([$1], -, _)["] = x \) && [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(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(json, [include JSON helpers], NO)
ELEMENTS_ARG_ENABLE(local, [include local elements], NO)
ELEMENTS_ARG_ENABLE(radio, [include radio 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(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" '!=' xno && 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 "fuckers! fuckers!"
#endif
return 0;]])], ac_cv_under_linux=yes, ac_cv_under_linux=no)])
dnl
dnl functions
dnl
AC_LANG_C
AC_REPLACE_FUNCS(strerror)
AC_CHECK_FUNCS(random snprintf strnlen strtof strtold strtoul tcgetpgrp vsnprintf)
AC_LANG_CPLUSPLUS
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
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$have_timespec" = xyes; then
AC_CHECK_SIZEOF([struct timespec])
fi
CLICK_CHECK_POSIX_CLOCKS
AC_ARG_ENABLE([nanotimestamp],
[AS_HELP_STRING([--enable-nanotimestamp], [enable nanosecond timestamps])])
# Default to nanosecond-precision timestamps if clock_gettime is available.
if test "x$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
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 "$enable_bound_port_transfer" = yes; then
AC_DEFINE([HAVE_BOUND_PORT_TRANSFER], [1], [Define if Port::push/Port::pull should use bound function pointers.])
CXXFLAGS="$CXXFLAGS -Wno-pmf-conversions"
fi
dnl
dnl check whether tools should be built for host or build
dnl
AC_ARG_ENABLE(tools,
[AC_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
dnl headers, event detection, dynamic linking
dnl
AC_CHECK_HEADERS_ONCE([termio.h netdb.h sys/event.h pwd.h grp.h execinfo.h])
CLICK_CHECK_POLL_H
AC_CHECK_FUNCS([pselect sigaction])
AC_CHECK_FUNCS([kqueue], [have_kqueue=yes])
if test "x$have_kqueue" = xyes; then
AC_CACHE_CHECK([whether EV_SET last argument is void *], [ac_cv_ev_set_udata_pointer],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <sys/event.h>
#include <sys/time.h>]], [[struct kevent kev; EV_SET(&kev, 1, EVFILT_WRITE, EV_ADD, 0, 0, (void *) &kev);]])], [ac_cv_ev_set_udata_pointer=yes], [ac_cv_ev_set_udata_pointer=no])])
if test $ac_cv_ev_set_udata_pointer = yes; then
AC_DEFINE([HAVE_EV_SET_UDATA_POINTER], [1], [Define if the last argument to EV_SET has pointer type.])
fi
fi
AC_ARG_ENABLE(dynamic-linking,
[AS_HELP_STRING([--disable-dynamic-linking], [disable dynamic linking])],
:, enable_dynamic_linking=yes)
if test "x$enable_dynamic_linking" = xyes; then
CLICK_CHECK_DYNAMIC_LINKING
if test "$HOST_TOOLS" != host -a "$enable_tools" != no; then
CLICK_CHECK_BUILD_DYNAMIC_LINKING
fi
fi
dnl
dnl sockets
dnl
AC_LANG_C
SOCKET_LIBS=
if test "$enable_userlevel" = yes; then
savelibs="$LIBS"; LIBS=
AC_SEARCH_LIBS(gethostbyname, nsl, , , $savelibs)
AC_SEARCH_LIBS(connect, socket, , , $savelibs)
SOCKET_LIBS="$LIBS"; LIBS="$savelibs"
AC_CACHE_CHECK([whether accept() uses socklen_t], [ac_cv_accept_socklen_t],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <sys/socket.h>
]], [[socklen_t sl; (void) accept(0, (struct sockaddr *) 0, &sl);]])],
ac_cv_accept_socklen_t=yes, ac_cv_accept_socklen_t=no)])
if test "$ac_cv_accept_socklen_t" = yes; then
AC_DEFINE([HAVE_ACCEPT_SOCKLEN_T], [1], [Define if accept() uses socklen_t.])
fi
fi
AC_SUBST(SOCKET_LIBS)
AC_LANG_CPLUSPLUS
dnl
dnl large file support
dnl
CLICK_CHECK_LARGE_FILE_SUPPORT
dnl
dnl mmap
dnl
AC_LANG_C
AC_CHECK_HEADERS_ONCE([sys/mman.h])
AC_FUNC_MMAP
AC_LANG_CPLUSPLUS
AC_CHECK_FUNCS(madvise)
AC_CHECK_DECLS(madvise, [], [], [#if HAVE_SYS_MMAN_H
#include <sys/types.h>
#include <sys/mman.h>
#endif])
dnl
dnl objects required by element collections
dnl
EXTRA_DRIVER_OBJS=
EXTRA_TOOL_OBJS=
if test "x$enable_ip6" = xyes; then
EXTRA_DRIVER_OBJS="ip6address.o ip6flowid.o ip6table.o $EXTRA_DRIVER_OBJS"
EXTRA_TOOL_OBJS="ip6address.o $EXTRA_TOOL_OBJS"
fi
AC_SUBST(EXTRA_DRIVER_OBJS)
AC_SUBST(EXTRA_TOOL_OBJS)
dnl
dnl stuff in the linux kernel
dnl
if test $ac_have_linux_kernel = y; then
dnl Look for System.map
if test "$linux_system_map" = NONE; then
linux_system_map=`find_linuxpath System.map`
if test "x$linux_system_map_boot" != xno -a ! -f "$linux_system_map"; then
linux_system_map=/boot/System.map-"$linux_system_map_boot"
fi
fi
AC_MSG_CHECKING([for Linux System.map])
if test -r "$linux_system_map"; then
AC_MSG_RESULT([$linux_system_map])
elif test -f "$linux_system_map"; then
AC_MSG_RESULT([$linux_system_map (unreadable)])
AC_MSG_ERROR([
=========================================
$linux_system_map exists, but is unreadable.
Run 'sudo ./configure', run 'sudo chmod go+r $linux_system_map',
or use the --with-linux=DIR and/or --with-linux-map=MAP options.
=========================================])
else
if test "x$enable_linuxmodule_default" = xyes; then
AC_MSG_WARN([
=========================================
Can't find Linux System.map file $linux_system_map,
so I won't compile the linuxmodule driver.
(You may need the --with-linux=DIR and/or --with-linux-map=MAP options.)
=========================================])
ac_have_linux_kernel=no
else
if test "$linux_system_map" = /nonexistent_file; then
linux_system_map="in $linuxpath"
fi
AC_MSG_ERROR([
=========================================
Can't find Linux System.map file $linux_system_map.
(You may need the --with-linux=DIR and/or --with-linux-map=MAP options.)
=========================================])
dnl ' fix syntax highlighting
fi
fi
fi
dnl Check for Linux 2.6
if test $ac_have_linux_kernel = y; then
AC_MSG_CHECKING([Linux version])
linuxpath_makefile=`find_linuxpath Makefile`
linux_version=`grep '^VERSION[[ ]]*=[[ ]]*[[0-9]][[0-9]]*[[ ]]*$' "$linuxpath_makefile" | tr -c -d 0-9`
linux_patchlevel=`grep '^PATCHLEVEL[[ ]]*=[[ ]]*[[0-9]][[0-9]]*[[ ]]*$' "$linuxpath_makefile" | tr -c -d 0-9`
linux_sublevel=`grep '^SUBLEVEL[[ ]]*=[[ ]]*[[0-9]][[0-9]]*[[ ]]*$' "$linuxpath_makefile" | tr -c -d 0-9`
if test -n "$linux_version" -a -n "$linux_patchlevel" -a -z "$linux_sublevel"; then linux_sublevel=0; fi
if test -n "$linux_version" -a -n "$linux_patchlevel" -a -n "$linux_sublevel"; then
AC_MSG_RESULT([$linux_version.$linux_patchlevel.$linux_sublevel])
linux_version_code=`expr $linux_version '*' 65536 + $linux_patchlevel '*' 256 + $linux_sublevel`
else
AC_MSG_RESULT([unknown])
linux_version_code=0
fi
LINUXMODULE_2_6=0
if test "$linux_version.$linux_patchlevel" = 2.6 -o "$linux_version" -ge 3; then
LINUXMODULE_2_6=1
AC_DEFINE([HAVE_LINUXMODULE_2_6], [1], [Define if the Click linuxmodule is compiled for a 2.6 or later kernel.])
fi
if test "$LINUXMODULE_2_6" = 0; then
AC_MSG_ERROR([
=========================================
Click no longer supports in-kernel compilation on Linux 2.4 kernels.
Update your Linux or try an older version of Click.
=========================================])
fi
AC_SUBST(LINUXMODULE_2_6)
AC_CACHE_CHECK([for Click Linux kernel extensions], ac_cv_click_kernel,
[if grep "register_net_in" $linux_system_map >/dev/null 2>&1; then
ac_cv_click_kernel=yes
else ac_cv_click_kernel=no; fi])
if test $ac_cv_click_kernel = yes; then
AC_DEFINE(HAVE_CLICK_KERNEL)
fi
AC_CACHE_CHECK([for Click Linux kernel extensions for transmit notification], ac_cv_click_kernel_tx_notify,
[if grep "register_net_tx" $linux_system_map >/dev/null 2>&1; then
ac_cv_click_kernel_tx_notify=yes
else ac_cv_click_kernel_tx_notify=no; fi])
if test $ac_cv_click_kernel_tx_notify = yes; then
AC_DEFINE(HAVE_CLICK_KERNEL_TX_NOTIFY)
fi
AC_CACHE_CHECK([for read_net_skbcount kernel extension], ac_cv_linux_read_net_skbcount,
[if grep "read_net_skbcount" $linux_system_map >/dev/null 2>&1; then
ac_cv_linux_read_net_skbcount=yes
else ac_cv_linux_read_net_skbcount=no; fi])
if test $ac_cv_linux_read_net_skbcount = yes; then
AC_DEFINE(HAVE_LINUX_READ_NET_SKBCOUNT)
fi
AC_CACHE_CHECK([for strlen kernel symbol], ac_cv_linux_strlen_exposed,
[if grep ' strlen' $linux_system_map >/dev/null 2>&1; then
ac_cv_linux_strlen_exposed=yes
else ac_cv_linux_strlen_exposed=no; fi])
if test $ac_cv_linux_strlen_exposed = yes; then
AC_DEFINE(HAVE_LINUX_STRLEN_EXPOSED)
fi
AC_CACHE_CHECK([for tulip_interrupt_hook kernel symbol], ac_cv_linux_tulip_intr_hook,
[if grep ' tulip_interrupt_hook' $linux_system_map >/dev/null 2>&1; then
ac_cv_linux_tulip_intr_hook=yes
else ac_cv_linux_tulip_intr_hook=no; fi])
if test $ac_cv_linux_tulip_intr_hook = yes; then
AC_DEFINE(HAVE_LINUX_TULIP_INTERRUPT_HOOK)
fi
AC_CACHE_CHECK([for files_lock kernel symbol], ac_cv_linux_files_lock,
[if grep "__ksymtab_files_lock" $linux_system_map >/dev/null 2>&1; then
ac_cv_linux_files_lock=yes
else ac_cv_linux_files_lock=no; fi])
if test $ac_cv_linux_files_lock = yes; then
AC_DEFINE(HAVE_LINUX_FILES_LOCK)
fi
AC_CACHE_CHECK([for files_lglock kernel symbol], ac_cv_linux_files_lglock,
[if grep "__ksymtab_files_lglock" $linux_system_map >/dev/null 2>&1; then
ac_cv_linux_files_lglock=yes
else ac_cv_linux_files_lglock=no; fi])
if test $ac_cv_linux_files_lglock = yes; then
AC_DEFINE(HAVE_LINUX_FILES_LGLOCK)
fi
AC_CACHE_CHECK([for sb_lock kernel symbol], ac_cv_linux_sb_lock,
[if grep "__ksymtab_sb_lock" $linux_system_map >/dev/null 2>&1; then
ac_cv_linux_sb_lock=yes
else ac_cv_linux_sb_lock=no; fi])
if test $ac_cv_linux_sb_lock = yes; then
AC_DEFINE(HAVE_LINUX_SB_LOCK)
fi
AC_CACHE_CHECK([for dev_ioctl kernel symbol], ac_cv_linux_dev_ioctl,
[if grep "__ksymtab_dev_ioctl" $linux_system_map >/dev/null 2>&1; then
ac_cv_linux_dev_ioctl=yes
else ac_cv_linux_dev_ioctl=no; fi])
if test $ac_cv_linux_dev_ioctl = yes; then
AC_DEFINE(HAVE_LINUX_DEV_IOCTL)
fi
AC_CACHE_CHECK([for devinet_ioctl kernel symbol], ac_cv_linux_devinet_ioctl,
[if grep "__ksymtab_devinet_ioctl" $linux_system_map >/dev/null 2>&1; then
ac_cv_linux_devinet_ioctl=yes
else ac_cv_linux_devinet_ioctl=no; fi])
if test $ac_cv_linux_devinet_ioctl = yes; then
AC_DEFINE(HAVE_LINUX_DEVINET_IOCTL)
fi
AC_CACHE_CHECK([for inet_ioctl kernel symbol], ac_cv_linux_inet_ioctl,
[if grep "__ksymtab_inet_ioctl" $linux_system_map >/dev/null 2>&1; then
ac_cv_linux_inet_ioctl=yes
else ac_cv_linux_inet_ioctl=no; fi])
if test $ac_cv_linux_inet_ioctl = yes; then
AC_DEFINE(HAVE_LINUX_INET_IOCTL)
fi
AC_CACHE_CHECK([for inet_ctl_sock_create kernel symbol], ac_cv_linux_inet_ctl_sock_create,
[if grep "__ksymtab_inet_ctl_sock_create" $linux_system_map >/dev/null 2>&1; then
ac_cv_linux_inet_ctl_sock_create=yes
else ac_cv_linux_inet_ctl_sock_create=no; fi])
if test $ac_cv_linux_inet_ctl_sock_create = yes; then
AC_DEFINE(HAVE_LINUX_INET_CTL_SOCK_CREATE)
fi
AC_CACHE_CHECK([for <linux/ktime.h>], ac_cv_linux_ktime_h,
[if grep ktime_t `find_linuxpath include/linux/ktime.h` >/dev/null 2>&1; then
ac_cv_linux_ktime_h=yes
else ac_cv_linux_ktime_h=no; fi])
if test $ac_cv_linux_ktime_h = yes; then
AC_DEFINE(HAVE_LINUX_KTIME_H)
fi
fi
dnl
dnl stuff in the bsd kernel
dnl
if test $ac_have_bsd_kernel = y; then
KERNEL_CXX="$KERNEL_CXX -fpermissive"
AC_CACHE_CHECK(FreeBSD version, ac_cv_freebsd_version, [