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executable file 256 lines (220 sloc) 4.85 KB
#! /bin/bash
# This is not an autoconf generated configure
#
INCLUDE=${1:-"$PWD/include"}
# Make a temp directory in build tree.
TMPDIR=$(mktemp -d config.XXXXXX)
trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM
check_toolchain()
{
: ${PKG_CONFIG:=pkg-config}
: ${AR=ar}
: ${CC=gcc}
echo "PKG_CONFIG:=${PKG_CONFIG}" >>Config
echo "AR:=${AR}" >>Config
echo "CC:=${CC}" >>Config
}
check_atm()
{
cat >$TMPDIR/atmtest.c <<EOF
#include <atm.h>
int main(int argc, char **argv) {
struct atm_qos qos;
(void) text2qos("aal5,ubr:sdu=9180,rx:none",&qos,0);
return 0;
}
EOF
$CC -I$INCLUDE -o $TMPDIR/atmtest $TMPDIR/atmtest.c -latm >/dev/null 2>&1
if [ $? -eq 0 ]
then
echo "TC_CONFIG_ATM:=y" >>Config
echo yes
else
echo no
fi
rm -f $TMPDIR/atmtest.c $TMPDIR/atmtest
}
check_xt()
{
#check if we have xtables from iptables >= 1.4.5.
cat >$TMPDIR/ipttest.c <<EOF
#include <xtables.h>
#include <linux/netfilter.h>
static struct xtables_globals test_globals = {
.option_offset = 0,
.program_name = "tc-ipt",
.program_version = XTABLES_VERSION,
.orig_opts = NULL,
.opts = NULL,
.exit_err = NULL,
};
int main(int argc, char **argv)
{
xtables_init_all(&test_globals, NFPROTO_IPV4);
return 0;
}
EOF
if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL \
$(${PKG_CONFIG} xtables --cflags --libs) -ldl >/dev/null 2>&1
then
echo "TC_CONFIG_XT:=y" >>Config
echo "using xtables"
fi
rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
}
check_xt_old()
{
# bail if previous XT checks has already succeded.
if grep -q TC_CONFIG_XT Config
then
return
fi
#check if we dont need our internal header ..
cat >$TMPDIR/ipttest.c <<EOF
#include <xtables.h>
char *lib_dir;
unsigned int global_option_offset = 0;
const char *program_version = XTABLES_VERSION;
const char *program_name = "tc-ipt";
struct afinfo afinfo = {
.libprefix = "libxt_",
};
void exit_error(enum exittype status, const char *msg, ...)
{
}
int main(int argc, char **argv) {
return 0;
}
EOF
$CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1
if [ $? -eq 0 ]
then
echo "TC_CONFIG_XT_OLD:=y" >>Config
echo "using old xtables (no need for xt-internal.h)"
fi
rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
}
check_xt_old_internal_h()
{
# bail if previous XT checks has already succeded.
if grep -q TC_CONFIG_XT Config
then
return
fi
#check if we need our own internal.h
cat >$TMPDIR/ipttest.c <<EOF
#include <xtables.h>
#include "xt-internal.h"
char *lib_dir;
unsigned int global_option_offset = 0;
const char *program_version = XTABLES_VERSION;
const char *program_name = "tc-ipt";
struct afinfo afinfo = {
.libprefix = "libxt_",
};
void exit_error(enum exittype status, const char *msg, ...)
{
}
int main(int argc, char **argv) {
return 0;
}
EOF
$CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1
if [ $? -eq 0 ]
then
echo "using old xtables with xt-internal.h"
echo "TC_CONFIG_XT_OLD_H:=y" >>Config
fi
rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
}
check_ipt()
{
if ! grep TC_CONFIG_XT Config > /dev/null
then
echo "using iptables"
fi
}
check_ipt_lib_dir()
{
IPT_LIB_DIR=$(${PKG_CONFIG} --variable=xtlibdir xtables)
if [ -n "$IPT_LIB_DIR" ]; then
echo $IPT_LIB_DIR
echo "IPT_LIB_DIR:=$IPT_LIB_DIR" >> Config
return
fi
for dir in /lib /usr/lib /usr/local/lib
do
for file in $dir/{xtables,iptables}/lib*t_*so ; do
if [ -f $file ]; then
echo ${file%/*}
echo "IPT_LIB_DIR:=${file%/*}" >> Config
return
fi
done
done
echo "not found!"
}
check_setns()
{
cat >$TMPDIR/setnstest.c <<EOF
#include <sched.h>
int main(int argc, char **argv)
{
(void)setns(0,0);
return 0;
}
EOF
$CC -I$INCLUDE -o $TMPDIR/setnstest $TMPDIR/setnstest.c >/dev/null 2>&1
if [ $? -eq 0 ]
then
echo "IP_CONFIG_SETNS:=y" >>Config
echo "yes"
else
echo "no"
fi
rm -f $TMPDIR/setnstest.c $TMPDIR/setnstest
}
check_ipset()
{
cat >$TMPDIR/ipsettest.c <<EOF
#include <linux/netfilter/ipset/ip_set.h>
#ifndef IP_SET_INVALID
#define IPSET_DIM_MAX 3
typedef unsigned short ip_set_id_t;
#endif
#include <linux/netfilter/xt_set.h>
struct xt_set_info info;
#if IPSET_PROTOCOL == 6
int main(void)
{
return IPSET_MAXNAMELEN;
}
#else
#error unknown ipset version
#endif
EOF
if $CC -I$INCLUDE -o $TMPDIR/ipsettest $TMPDIR/ipsettest.c >/dev/null 2>&1
then
echo "TC_CONFIG_IPSET:=y" >>Config
echo "yes"
else
echo "no"
fi
rm -f $TMPDIR/ipsettest.c $TMPDIR/ipsettest
}
echo "# Generated config based on" $INCLUDE >Config
check_toolchain
echo "TC schedulers"
echo -n " ATM "
check_atm
echo -n " IPT "
check_xt
check_xt_old
check_xt_old_internal_h
check_ipt
echo -n " IPSET "
check_ipset
echo -n "iptables modules directory: "
check_ipt_lib_dir
echo -n "libc has setns: "
check_setns