[mirror_iproute2.git] / configure

#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# This is not an autoconf generated configure
#
INCLUDE=${1:-"$PWD/include"}

# Output file which is input to Makefile
CONFIG=config.mk

# 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_prog()
{
    echo -n "$2"
    command -v $1 >/dev/null 2>&1 && (echo "$3:=y" >> $CONFIG; echo "yes") || (echo "no"; return 1)
}

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_xtables()
{
	if ! ${PKG_CONFIG} xtables --exists
	then
		echo "TC_CONFIG_NO_XT:=y" >>$CONFIG
	fi
}

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 succeeded.
    if grep -q TC_CONFIG_XT $CONFIG
    then
	return
    fi

    #check if we don't 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 succeeded.
    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"
	echo "CFLAGS += -DHAVE_SETNS" >>$CONFIG
    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
}

check_elf()
{
    if ${PKG_CONFIG} libelf --exists
    then
	echo "HAVE_ELF:=y" >>$CONFIG
	echo "yes"

	echo 'CFLAGS += -DHAVE_ELF' `${PKG_CONFIG} libelf --cflags` >> $CONFIG
	echo 'LDLIBS += ' `${PKG_CONFIG} libelf --libs` >>$CONFIG
    else
	echo "no"
    fi
}

check_selinux()
# SELinux is a compile time option in the ss utility
{
	if ${PKG_CONFIG} libselinux --exists
	then
		echo "HAVE_SELINUX:=y" >>$CONFIG
		echo "yes"

		echo 'LDLIBS +=' `${PKG_CONFIG} --libs libselinux` >>$CONFIG
		echo 'CFLAGS += -DHAVE_SELINUX' `${PKG_CONFIG} --cflags libselinux` >>$CONFIG
	else
		echo "no"
	fi
}

check_mnl()
{
	if ${PKG_CONFIG} libmnl --exists
	then
		echo "HAVE_MNL:=y" >>$CONFIG
		echo "yes"

		echo 'CFLAGS += -DHAVE_LIBMNL' `${PKG_CONFIG} libmnl --cflags` >>$CONFIG
		echo 'LDLIBS +=' `${PKG_CONFIG} libmnl --libs` >> $CONFIG
	else
		echo "no"
	fi
}

check_berkeley_db()
{
    cat >$TMPDIR/dbtest.c <<EOF
#include <fcntl.h>
#include <stdlib.h>
#include <db_185.h>
int main(int argc, char **argv) {
	dbopen("/tmp/xxx_test_db.db", O_CREAT|O_RDWR, 0644, DB_HASH, NULL);
	return 0;
}
EOF
    $CC -I$INCLUDE -o $TMPDIR/dbtest $TMPDIR/dbtest.c -ldb >/dev/null 2>&1
    if [ $? -eq 0 ]
    then
	echo "HAVE_BERKELEY_DB:=y" >>$CONFIG
	echo "yes"
    else
	echo "no"
    fi
    rm -f $TMPDIR/dbtest.c $TMPDIR/dbtest
}

check_strlcpy()
{
    cat >$TMPDIR/strtest.c <<EOF
#include <string.h>
int main(int argc, char **argv) {
	char dst[10];
	strlcpy(dst, "test", sizeof(dst));
	return 0;
}
EOF
    $CC -I$INCLUDE -o $TMPDIR/strtest $TMPDIR/strtest.c >/dev/null 2>&1
    if [ $? -eq 0 ]
    then
	echo "no"
    else
	if ${PKG_CONFIG} libbsd --exists
	then
		echo 'CFLAGS += -DHAVE_LIBBSD' `${PKG_CONFIG} libbsd --cflags` >>$CONFIG
		echo 'LDLIBS +=' `${PKG_CONFIG} libbsd --libs` >> $CONFIG
		echo "no"
	else
		echo 'CFLAGS += -DNEED_STRLCPY' >>$CONFIG
		echo "yes"
	fi
    fi
    rm -f $TMPDIR/strtest.c $TMPDIR/strtest
}

check_cap()
{
	if ${PKG_CONFIG} libcap --exists
	then
		echo "HAVE_CAP:=y" >>$CONFIG
		echo "yes"

		echo 'CFLAGS += -DHAVE_LIBCAP' `${PKG_CONFIG} libcap --cflags` >>$CONFIG
		echo 'LDLIBS +=' `${PKG_CONFIG} libcap --libs` >> $CONFIG
	else
		echo "no"
	fi
}

quiet_config()
{
	cat <<EOF
# user can control verbosity similar to kernel builds (e.g., V=1)
ifeq ("\$(origin V)", "command line")
  VERBOSE = \$(V)
endif
ifndef VERBOSE
  VERBOSE = 0
endif
ifeq (\$(VERBOSE),1)
  Q =
else
  Q = @
endif

ifeq (\$(VERBOSE), 0)
    QUIET_CC       = @echo '    CC       '\$@;
    QUIET_AR       = @echo '    AR       '\$@;
    QUIET_LINK     = @echo '    LINK     '\$@;
    QUIET_YACC     = @echo '    YACC     '\$@;
    QUIET_LEX      = @echo '    LEX      '\$@;
endif
EOF
}

echo "# Generated config based on" $INCLUDE >$CONFIG
quiet_config >> $CONFIG

check_toolchain

echo "TC schedulers"

echo -n " ATM	"
check_atm

check_xtables
if ! grep -q TC_CONFIG_NO_XT $CONFIG
then
	echo -n " IPT	"
	check_xt
	check_xt_old
	check_xt_old_internal_h
	check_ipt

	echo -n " IPSET  "
	check_ipset
fi

echo
if ! grep -q TC_CONFIG_NO_XT $CONFIG
then
	echo -n "iptables modules directory: "
	check_ipt_lib_dir
fi

echo -n "libc has setns: "
check_setns

echo -n "SELinux support: "
check_selinux

echo -n "ELF support: "
check_elf

echo -n "libmnl support: "
check_mnl

echo -n "Berkeley DB: "
check_berkeley_db

echo -n "need for strlcpy: "
check_strlcpy

echo -n "libcap support: "
check_cap

echo >> $CONFIG
echo "%.o: %.c" >> $CONFIG
echo '	$(QUIET_CC)$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(CPPFLAGS) -c -o $@ $<' >> $CONFIG
Commit	Line	Data
449bf1f3	1	#! /bin/bash
6054c1eb	2	# SPDX-License-Identifier: GPL-2.0
07a6f5ec	3	# This is not an autoconf generated configure
449bf1f3	4	#
4b1bbd9c	5	INCLUDE=${1:-"$PWD/include"}
449bf1f3	6
5f1df307 SH	7	# Output file which is input to Makefile
	8	CONFIG=config.mk
	9
e557d1ac SH	10	# Make a temp directory in build tree.
e557d1ac SH	11	TMPDIR=$(mktemp -d config.XXXXXX)
c2f7d6c7	12	trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM
e557d1ac	13
10ed8b7f	14	check_prog()
	15	{
	16	echo -n "$2"
5f1df307	17	command -v $1 >/dev/null 2>&1 && (echo "$3:=y" >> $CONFIG; echo "yes") \|\| (echo "no"; return 1)
10ed8b7f	18	}
10ed8b7f	19
601f60e5 MF	20	check_toolchain()
601f60e5 MF	21	{
07a6f5ec SH	22	: ${PKG_CONFIG:=pkg-config}
	23	: ${AR=ar}
	24	: ${CC=gcc}
5f1df307 SH	25	echo "PKG_CONFIG:=${PKG_CONFIG}" >>$CONFIG
	26	echo "AR:=${AR}" >>$CONFIG
	27	echo "CC:=${CC}" >>$CONFIG
601f60e5 MF	28	}
601f60e5 MF	29
14743a78	30	check_atm()
f1a0125b	31	{
07a6f5ec	32	cat >$TMPDIR/atmtest.c <<EOF
c830d77b SH	33	#include <atm.h>
	34	int main(int argc, char **argv) {
	35	struct atm_qos qos;
	36	(void) text2qos("aal5,ubr:sdu=9180,rx:none",&qos,0);
	37	return 0;
	38	}
	39	EOF
07a6f5ec SH	40
	41	$CC -I$INCLUDE -o $TMPDIR/atmtest $TMPDIR/atmtest.c -latm >/dev/null 2>&1
	42	if [ $? -eq 0 ]
	43	then
5f1df307	44	echo "TC_CONFIG_ATM:=y" >>$CONFIG
07a6f5ec SH	45	echo yes
	46	else
	47	echo no
	48	fi
	49	rm -f $TMPDIR/atmtest.c $TMPDIR/atmtest
f1a0125b	50	}
63c7d26f	51
4710e46e DB	52	check_xtables()
	53	{
	54	if ! ${PKG_CONFIG} xtables --exists
	55	then
5f1df307	56	echo "TC_CONFIG_NO_XT:=y" >>$CONFIG
4710e46e DB	57	fi
	58	}
	59
14743a78	60	check_xt()
f1a0125b	61	{
07a6f5ec SH	62	#check if we have xtables from iptables >= 1.4.5.
07a6f5ec SH	63	cat >$TMPDIR/ipttest.c <<EOF
a36ceb85 AH	64	#include <xtables.h>
	65	#include <linux/netfilter.h>
	66	static struct xtables_globals test_globals = {
	67	.option_offset = 0,
	68	.program_name = "tc-ipt",
	69	.program_version = XTABLES_VERSION,
	70	.orig_opts = NULL,
	71	.opts = NULL,
	72	.exit_err = NULL,
	73	};
	74
	75	int main(int argc, char **argv)
	76	{
	77	xtables_init_all(&test_globals, NFPROTO_IPV4);
	78	return 0;
	79	}
a36ceb85 AH	80	EOF
a36ceb85 AH	81
07a6f5ec SH	82	if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL \
	83	$(${PKG_CONFIG} xtables --cflags --libs) -ldl >/dev/null 2>&1
	84	then
5f1df307	85	echo "TC_CONFIG_XT:=y" >>$CONFIG
f1a0125b	86	echo "using xtables"
07a6f5ec SH	87	fi
07a6f5ec SH	88	rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
f1a0125b AH	89	}
f1a0125b AH	90
14743a78	91	check_xt_old()
f1a0125b	92	{
5cc46394	93	# bail if previous XT checks has already succeeded.
5f1df307	94	if grep -q TC_CONFIG_XT $CONFIG
07a6f5ec	95	then
f1a0125b	96	return
07a6f5ec	97	fi
a36ceb85	98
5cc46394	99	#check if we don't need our internal header ..
07a6f5ec	100	cat >$TMPDIR/ipttest.c <<EOF
63c7d26f JHS	101	#include <xtables.h>
	102	char *lib_dir;
	103	unsigned int global_option_offset = 0;
	104	const char *program_version = XTABLES_VERSION;
	105	const char *program_name = "tc-ipt";
	106	struct afinfo afinfo = {
	107	.libprefix = "libxt_",
	108	};
	109
	110	void exit_error(enum exittype status, const char *msg, ...)
	111	{
	112	}
	113
	114	int main(int argc, char **argv) {
	115
	116	return 0;
	117	}
	118
	119	EOF
63c7d26f	120
07a6f5ec SH	121	$CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1
	122	if [ $? -eq 0 ]
	123	then
5f1df307	124	echo "TC_CONFIG_XT_OLD:=y" >>$CONFIG
f1a0125b	125	echo "using old xtables (no need for xt-internal.h)"
07a6f5ec SH	126	fi
07a6f5ec SH	127	rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
f1a0125b AH	128	}
f1a0125b AH	129
14743a78	130	check_xt_old_internal_h()
f1a0125b	131	{
5cc46394	132	# bail if previous XT checks has already succeeded.
5f1df307	133	if grep -q TC_CONFIG_XT $CONFIG
07a6f5ec	134	then
f1a0125b	135	return
07a6f5ec	136	fi
63c7d26f	137
07a6f5ec SH	138	#check if we need our own internal.h
07a6f5ec SH	139	cat >$TMPDIR/ipttest.c <<EOF
63c7d26f JHS	140	#include <xtables.h>
	141	#include "xt-internal.h"
	142	char *lib_dir;
	143	unsigned int global_option_offset = 0;
	144	const char *program_version = XTABLES_VERSION;
	145	const char *program_name = "tc-ipt";
	146	struct afinfo afinfo = {
	147	.libprefix = "libxt_",
	148	};
	149
	150	void exit_error(enum exittype status, const char *msg, ...)
	151	{
	152	}
	153
	154	int main(int argc, char **argv) {
	155
	156	return 0;
	157	}
	158
	159	EOF
07a6f5ec	160	$CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1
63c7d26f	161
07a6f5ec SH	162	if [ $? -eq 0 ]
	163	then
	164	echo "using old xtables with xt-internal.h"
5f1df307	165	echo "TC_CONFIG_XT_OLD_H:=y" >>$CONFIG
07a6f5ec SH	166	fi
07a6f5ec SH	167	rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
f1a0125b AH	168	}
f1a0125b AH	169
14743a78	170	check_ipt()
f1a0125b	171	{
5f1df307	172	if ! grep TC_CONFIG_XT $CONFIG > /dev/null
f1a0125b AH	173	then
	174	echo "using iptables"
	175	fi
	176	}
	177
12ddfff7 AH	178	check_ipt_lib_dir()
12ddfff7 AH	179	{
e4fc4ada	180	IPT_LIB_DIR=$(${PKG_CONFIG} --variable=xtlibdir xtables)
da7fbb24 LW	181	if [ -n "$IPT_LIB_DIR" ]; then
da7fbb24 LW	182	echo $IPT_LIB_DIR
5f1df307	183	echo "IPT_LIB_DIR:=$IPT_LIB_DIR" >> $CONFIG
da7fbb24 LW	184	return
	185	fi
	186
12ddfff7 AH	187	for dir in /lib /usr/lib /usr/local/lib
12ddfff7 AH	188	do
44e743e5	189	for file in $dir/{xtables,iptables}/libt_so ; do
12ddfff7	190	if [ -f $file ]; then
44e743e5	191	echo ${file%/*}
5f1df307	192	echo "IPT_LIB_DIR:=${file%/*}" >> $CONFIG
12ddfff7 AH	193	return
	194	fi
	195	done
	196	done
	197	echo "not found!"
	198	}
	199
2e8a07f5 EB	200	check_setns()
2e8a07f5 EB	201	{
07a6f5ec	202	cat >$TMPDIR/setnstest.c <<EOF
2e8a07f5	203	#include <sched.h>
d116ff34	204	int main(int argc, char **argv)
2e8a07f5 EB	205	{
	206	(void)setns(0,0);
	207	return 0;
	208	}
	209	EOF
07a6f5ec SH	210	$CC -I$INCLUDE -o $TMPDIR/setnstest $TMPDIR/setnstest.c >/dev/null 2>&1
	211	if [ $? -eq 0 ]
	212	then
5f1df307	213	echo "IP_CONFIG_SETNS:=y" >>$CONFIG
2e8a07f5	214	echo "yes"
5f1df307	215	echo "CFLAGS += -DHAVE_SETNS" >>$CONFIG
07a6f5ec	216	else
2e8a07f5	217	echo "no"
07a6f5ec SH	218	fi
07a6f5ec SH	219	rm -f $TMPDIR/setnstest.c $TMPDIR/setnstest
2e8a07f5 EB	220	}
2e8a07f5 EB	221
8194411a FW	222	check_ipset()
8194411a FW	223	{
07a6f5ec	224	cat >$TMPDIR/ipsettest.c <<EOF
8194411a FW	225	#include <linux/netfilter/ipset/ip_set.h>
	226	#ifndef IP_SET_INVALID
	227	#define IPSET_DIM_MAX 3
	228	typedef unsigned short ip_set_id_t;
	229	#endif
	230	#include <linux/netfilter/xt_set.h>
	231
	232	struct xt_set_info info;
	233	#if IPSET_PROTOCOL == 6
	234	int main(void)
	235	{
	236	return IPSET_MAXNAMELEN;
	237	}
	238	#else
	239	#error unknown ipset version
	240	#endif
	241	EOF
	242
07a6f5ec SH	243	if $CC -I$INCLUDE -o $TMPDIR/ipsettest $TMPDIR/ipsettest.c >/dev/null 2>&1
07a6f5ec SH	244	then
5f1df307	245	echo "TC_CONFIG_IPSET:=y" >>$CONFIG
8194411a	246	echo "yes"
07a6f5ec	247	else
8194411a	248	echo "no"
07a6f5ec SH	249	fi
07a6f5ec SH	250	rm -f $TMPDIR/ipsettest.c $TMPDIR/ipsettest
8194411a FW	251	}
8194411a FW	252
11c39b5e DB	253	check_elf()
11c39b5e DB	254	{
5f1df307	255	if ${PKG_CONFIG} libelf --exists
11c39b5e	256	then
5f1df307	257	echo "HAVE_ELF:=y" >>$CONFIG
11c39b5e	258	echo "yes"
5f1df307 SH	259
	260	echo 'CFLAGS += -DHAVE_ELF' `${PKG_CONFIG} libelf --cflags` >> $CONFIG
	261	echo 'LDLIBS += ' `${PKG_CONFIG} libelf --libs` >>$CONFIG
11c39b5e DB	262	else
	263	echo "no"
	264	fi
11c39b5e DB	265	}
11c39b5e DB	266
116ac927 RH	267	check_selinux()
	268	# SELinux is a compile time option in the ss utility
	269	{
	270	if ${PKG_CONFIG} libselinux --exists
	271	then
5f1df307	272	echo "HAVE_SELINUX:=y" >>$CONFIG
116ac927	273	echo "yes"
5f1df307 SH	274
	275	echo 'LDLIBS +=' `${PKG_CONFIG} --libs libselinux` >>$CONFIG
	276	echo 'CFLAGS += -DHAVE_SELINUX' `${PKG_CONFIG} --cflags libselinux` >>$CONFIG
116ac927 RH	277	else
	278	echo "no"
	279	fi
	280	}
	281
b6907403 VK	282	check_mnl()
	283	{
	284	if ${PKG_CONFIG} libmnl --exists
	285	then
5f1df307	286	echo "HAVE_MNL:=y" >>$CONFIG
a25df488	287	echo "yes"
5f1df307 SH	288
	289	echo 'CFLAGS += -DHAVE_LIBMNL' `${PKG_CONFIG} libmnl --cflags` >>$CONFIG
	290	echo 'LDLIBS +=' `${PKG_CONFIG} libmnl --libs` >> $CONFIG
b6907403	291	else
a25df488	292	echo "no"
b6907403 VK	293	fi
	294	}
	295
a25df488 VK	296	check_berkeley_db()
	297	{
	298	cat >$TMPDIR/dbtest.c <<EOF
	299	#include <fcntl.h>
	300	#include <stdlib.h>
	301	#include <db_185.h>
	302	int main(int argc, char **argv) {
	303	dbopen("/tmp/xxx_test_db.db", O_CREAT\|O_RDWR, 0644, DB_HASH, NULL);
	304	return 0;
	305	}
	306	EOF
	307	$CC -I$INCLUDE -o $TMPDIR/dbtest $TMPDIR/dbtest.c -ldb >/dev/null 2>&1
	308	if [ $? -eq 0 ]
	309	then
5f1df307	310	echo "HAVE_BERKELEY_DB:=y" >>$CONFIG
a25df488 VK	311	echo "yes"
	312	else
	313	echo "no"
	314	fi
	315	rm -f $TMPDIR/dbtest.c $TMPDIR/dbtest
	316	}
	317
4f6b7338 BS	318	check_strlcpy()
	319	{
	320	cat >$TMPDIR/strtest.c <<EOF
	321	#include <string.h>
	322	int main(int argc, char **argv) {
	323	char dst[10];
	324	strlcpy(dst, "test", sizeof(dst));
	325	return 0;
	326	}
	327	EOF
	328	$CC -I$INCLUDE -o $TMPDIR/strtest $TMPDIR/strtest.c >/dev/null 2>&1
	329	if [ $? -eq 0 ]
	330	then
	331	echo "no"
	332	else
508f3c23 LB	333	if ${PKG_CONFIG} libbsd --exists
	334	then
	335	echo 'CFLAGS += -DHAVE_LIBBSD' `${PKG_CONFIG} libbsd --cflags` >>$CONFIG
	336	echo 'LDLIBS +=' `${PKG_CONFIG} libbsd --libs` >> $CONFIG
	337	echo "no"
	338	else
	339	echo 'CFLAGS += -DNEED_STRLCPY' >>$CONFIG
	340	echo "yes"
	341	fi
4f6b7338 BS	342	fi
	343	rm -f $TMPDIR/strtest.c $TMPDIR/strtest
	344	}
	345
ba2fc55b LB	346	check_cap()
	347	{
	348	if ${PKG_CONFIG} libcap --exists
	349	then
	350	echo "HAVE_CAP:=y" >>$CONFIG
	351	echo "yes"
	352
	353	echo 'CFLAGS += -DHAVE_LIBCAP' `${PKG_CONFIG} libcap --cflags` >>$CONFIG
	354	echo 'LDLIBS +=' `${PKG_CONFIG} libcap --libs` >> $CONFIG
	355	else
	356	echo "no"
	357	fi
	358	}
	359
57bdf8b7 DA	360	quiet_config()
	361	{
	362	cat <<EOF
	363	# user can control verbosity similar to kernel builds (e.g., V=1)
	364	ifeq ("\$(origin V)", "command line")
	365	VERBOSE = \$(V)
	366	endif
	367	ifndef VERBOSE
	368	VERBOSE = 0
	369	endif
	370	ifeq (\$(VERBOSE),1)
	371	Q =
	372	else
	373	Q = @
	374	endif
	375
	376	ifeq (\$(VERBOSE), 0)
	377	QUIET_CC = @echo ' CC '\$@;
	378	QUIET_AR = @echo ' AR '\$@;
	379	QUIET_LINK = @echo ' LINK '\$@;
	380	QUIET_YACC = @echo ' YACC '\$@;
	381	QUIET_LEX = @echo ' LEX '\$@;
	382	endif
	383	EOF
	384	}
	385
5f1df307 SH	386	echo "# Generated config based on" $INCLUDE >$CONFIG
5f1df307 SH	387	quiet_config >> $CONFIG
57bdf8b7	388
601f60e5	389	check_toolchain
f1a0125b AH	390
	391	echo "TC schedulers"
	392
	393	echo -n " ATM "
	394	check_atm
	395
4710e46e	396	check_xtables
5f1df307	397	if ! grep -q TC_CONFIG_NO_XT $CONFIG
4710e46e DB	398	then
	399	echo -n " IPT "
	400	check_xt
	401	check_xt_old
	402	check_xt_old_internal_h
	403	check_ipt
f1a0125b	404
4710e46e DB	405	echo -n " IPSET "
	406	check_ipset
	407	fi
8194411a	408
aaf70458	409	echo
5f1df307	410	if ! grep -q TC_CONFIG_NO_XT $CONFIG
4710e46e DB	411	then
	412	echo -n "iptables modules directory: "
	413	check_ipt_lib_dir
	414	fi
2e8a07f5 EB	415
	416	echo -n "libc has setns: "
	417	check_setns
116ac927 RH	418
	419	echo -n "SELinux support: "
	420	check_selinux
10ed8b7f	421
11c39b5e DB	422	echo -n "ELF support: "
	423	check_elf
	424
b6907403 VK	425	echo -n "libmnl support: "
b6907403 VK	426	check_mnl
b6907403	427
a25df488 VK	428	echo -n "Berkeley DB: "
	429	check_berkeley_db
	430
4f6b7338 BS	431	echo -n "need for strlcpy: "
	432	check_strlcpy
	433
ba2fc55b LB	434	echo -n "libcap support: "
	435	check_cap
	436
5f1df307 SH	437	echo >> $CONFIG
5f1df307 SH	438	echo "%.o: %.c" >> $CONFIG
1a03ac6b	439	echo ' $(QUIET_CC)$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(CPPFLAGS) -c -o $@ $<' >> $CONFIG