[mirror_iproute2.git] / configure

#!/bin/sh
# 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_toolchain()
{
    : ${PKG_CONFIG:=pkg-config}
    : ${AR=ar}
    : ${CC=gcc}
    : ${YACC=bison}
    echo "PKG_CONFIG:=${PKG_CONFIG}" >>$CONFIG
    echo "AR:=${AR}" >>$CONFIG
    echo "CC:=${CC}" >>$CONFIG
    echo "YACC:=${YACC}" >>$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

    if $CC -I$INCLUDE -o $TMPDIR/atmtest $TMPDIR/atmtest.c -latm >/dev/null 2>&1; then
	echo "TC_CONFIG_ATM:=y" >>$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.
    grep -q TC_CONFIG_XT $CONFIG && return

    #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

    if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1; then
	echo "TC_CONFIG_XT_OLD:=y" >>$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.
    grep -q TC_CONFIG_XT $CONFIG && return

    #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
	if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1; then
	    echo "using old xtables with xt-internal.h"
	    echo "TC_CONFIG_XT_OLD_H:=y" >>$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 "xtables" "iptables"; do
			file="$dir/$file/lib*t_*so"
			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
    if $CC -I$INCLUDE -o $TMPDIR/setnstest $TMPDIR/setnstest.c >/dev/null 2>&1; then
	echo "IP_CONFIG_SETNS:=y" >>$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 || IPSET_PROTOCOL == 7
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
    if $CC -I$INCLUDE -o $TMPDIR/dbtest $TMPDIR/dbtest.c -ldb >/dev/null 2>&1; then
	echo "HAVE_BERKELEY_DB:=y" >>$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
    if $CC -I$INCLUDE -o $TMPDIR/strtest $TMPDIR/strtest.c >/dev/null 2>&1; 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 $@ $<' >> $CONFIG
Commit	Line	Data
fce84d64	1	#!/bin/sh
6054c1eb	2	# SPDX-License-Identifier: GPL-2.0
07a6f5ec	3	# This is not an autoconf generated configure
449bf1f3	4	#
4b1bbd9c	5	INCLUDE=${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
601f60e5 MF	14	check_toolchain()
601f60e5 MF	15	{
07a6f5ec SH	16	: ${PKG_CONFIG:=pkg-config}
	17	: ${AR=ar}
	18	: ${CC=gcc}
5f78bc3e	19	: ${YACC=bison}
5f1df307 SH	20	echo "PKG_CONFIG:=${PKG_CONFIG}" >>$CONFIG
	21	echo "AR:=${AR}" >>$CONFIG
	22	echo "CC:=${CC}" >>$CONFIG
5f78bc3e	23	echo "YACC:=${YACC}" >>$CONFIG
601f60e5 MF	24	}
601f60e5 MF	25
14743a78	26	check_atm()
f1a0125b	27	{
07a6f5ec	28	cat >$TMPDIR/atmtest.c <<EOF
c830d77b SH	29	#include <atm.h>
	30	int main(int argc, char **argv) {
	31	struct atm_qos qos;
	32	(void) text2qos("aal5,ubr:sdu=9180,rx:none",&qos,0);
	33	return 0;
	34	}
	35	EOF
07a6f5ec	36
377a0990	37	if $CC -I$INCLUDE -o $TMPDIR/atmtest $TMPDIR/atmtest.c -latm >/dev/null 2>&1; then
5f1df307	38	echo "TC_CONFIG_ATM:=y" >>$CONFIG
07a6f5ec SH	39	echo yes
	40	else
	41	echo no
	42	fi
	43	rm -f $TMPDIR/atmtest.c $TMPDIR/atmtest
f1a0125b	44	}
63c7d26f	45
4710e46e DB	46	check_xtables()
4710e46e DB	47	{
377a0990	48	if ! ${PKG_CONFIG} xtables --exists; then
5f1df307	49	echo "TC_CONFIG_NO_XT:=y" >>$CONFIG
4710e46e DB	50	fi
	51	}
	52
14743a78	53	check_xt()
f1a0125b	54	{
07a6f5ec SH	55	#check if we have xtables from iptables >= 1.4.5.
07a6f5ec SH	56	cat >$TMPDIR/ipttest.c <<EOF
a36ceb85 AH	57	#include <xtables.h>
	58	#include <linux/netfilter.h>
	59	static struct xtables_globals test_globals = {
	60	.option_offset = 0,
	61	.program_name = "tc-ipt",
	62	.program_version = XTABLES_VERSION,
	63	.orig_opts = NULL,
	64	.opts = NULL,
	65	.exit_err = NULL,
	66	};
	67
	68	int main(int argc, char **argv)
	69	{
	70	xtables_init_all(&test_globals, NFPROTO_IPV4);
	71	return 0;
	72	}
a36ceb85 AH	73	EOF
a36ceb85 AH	74
07a6f5ec	75	if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL \
377a0990	76	$(${PKG_CONFIG} xtables --cflags --libs) -ldl >/dev/null 2>&1; then
5f1df307	77	echo "TC_CONFIG_XT:=y" >>$CONFIG
f1a0125b	78	echo "using xtables"
07a6f5ec SH	79	fi
07a6f5ec SH	80	rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
f1a0125b AH	81	}
f1a0125b AH	82
14743a78	83	check_xt_old()
f1a0125b	84	{
5cc46394	85	# bail if previous XT checks has already succeeded.
377a0990	86	grep -q TC_CONFIG_XT $CONFIG && return
a36ceb85	87
5cc46394	88	#check if we don't need our internal header ..
07a6f5ec	89	cat >$TMPDIR/ipttest.c <<EOF
63c7d26f JHS	90	#include <xtables.h>
	91	char *lib_dir;
	92	unsigned int global_option_offset = 0;
	93	const char *program_version = XTABLES_VERSION;
	94	const char *program_name = "tc-ipt";
	95	struct afinfo afinfo = {
	96	.libprefix = "libxt_",
	97	};
	98
	99	void exit_error(enum exittype status, const char *msg, ...)
	100	{
	101	}
	102
	103	int main(int argc, char **argv) {
	104
	105	return 0;
	106	}
	107
	108	EOF
63c7d26f	109
377a0990	110	if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1; then
5f1df307	111	echo "TC_CONFIG_XT_OLD:=y" >>$CONFIG
f1a0125b	112	echo "using old xtables (no need for xt-internal.h)"
07a6f5ec SH	113	fi
07a6f5ec SH	114	rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
f1a0125b AH	115	}
f1a0125b AH	116
14743a78	117	check_xt_old_internal_h()
f1a0125b	118	{
5cc46394	119	# bail if previous XT checks has already succeeded.
db4ad742	120	grep -q TC_CONFIG_XT $CONFIG && return
63c7d26f	121
07a6f5ec SH	122	#check if we need our own internal.h
07a6f5ec SH	123	cat >$TMPDIR/ipttest.c <<EOF
63c7d26f JHS	124	#include <xtables.h>
	125	#include "xt-internal.h"
	126	char *lib_dir;
	127	unsigned int global_option_offset = 0;
	128	const char *program_version = XTABLES_VERSION;
	129	const char *program_name = "tc-ipt";
	130	struct afinfo afinfo = {
	131	.libprefix = "libxt_",
	132	};
	133
	134	void exit_error(enum exittype status, const char *msg, ...)
	135	{
	136	}
	137
	138	int main(int argc, char **argv) {
	139
	140	return 0;
	141	}
	142
	143	EOF
377a0990	144	if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1; then
07a6f5ec	145	echo "using old xtables with xt-internal.h"
5f1df307	146	echo "TC_CONFIG_XT_OLD_H:=y" >>$CONFIG
07a6f5ec SH	147	fi
07a6f5ec SH	148	rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
f1a0125b AH	149	}
f1a0125b AH	150
14743a78	151	check_ipt()
f1a0125b	152	{
377a0990	153	if ! grep TC_CONFIG_XT $CONFIG > /dev/null; then
f1a0125b AH	154	echo "using iptables"
	155	fi
	156	}
	157
12ddfff7 AH	158	check_ipt_lib_dir()
12ddfff7 AH	159	{
e4fc4ada	160	IPT_LIB_DIR=$(${PKG_CONFIG} --variable=xtlibdir xtables)
da7fbb24 LW	161	if [ -n "$IPT_LIB_DIR" ]; then
da7fbb24 LW	162	echo $IPT_LIB_DIR
5f1df307	163	echo "IPT_LIB_DIR:=$IPT_LIB_DIR" >> $CONFIG
da7fbb24 LW	164	return
	165	fi
	166
377a0990	167	for dir in /lib /usr/lib /usr/local/lib; do
fce84d64 PV	168	for file in "xtables" "iptables"; do
fce84d64 PV	169	file="$dir/$file/libt_so"
12ddfff7	170	if [ -f $file ]; then
44e743e5	171	echo ${file%/*}
5f1df307	172	echo "IPT_LIB_DIR:=${file%/*}" >> $CONFIG
12ddfff7 AH	173	return
	174	fi
	175	done
	176	done
	177	echo "not found!"
	178	}
	179
2e8a07f5 EB	180	check_setns()
2e8a07f5 EB	181	{
07a6f5ec	182	cat >$TMPDIR/setnstest.c <<EOF
2e8a07f5	183	#include <sched.h>
d116ff34	184	int main(int argc, char **argv)
2e8a07f5 EB	185	{
	186	(void)setns(0,0);
	187	return 0;
	188	}
	189	EOF
377a0990	190	if $CC -I$INCLUDE -o $TMPDIR/setnstest $TMPDIR/setnstest.c >/dev/null 2>&1; then
5f1df307	191	echo "IP_CONFIG_SETNS:=y" >>$CONFIG
2e8a07f5	192	echo "yes"
5f1df307	193	echo "CFLAGS += -DHAVE_SETNS" >>$CONFIG
07a6f5ec	194	else
2e8a07f5	195	echo "no"
07a6f5ec SH	196	fi
07a6f5ec SH	197	rm -f $TMPDIR/setnstest.c $TMPDIR/setnstest
2e8a07f5 EB	198	}
2e8a07f5 EB	199
8194411a FW	200	check_ipset()
8194411a FW	201	{
07a6f5ec	202	cat >$TMPDIR/ipsettest.c <<EOF
8194411a FW	203	#include <linux/netfilter/ipset/ip_set.h>
	204	#ifndef IP_SET_INVALID
	205	#define IPSET_DIM_MAX 3
	206	typedef unsigned short ip_set_id_t;
	207	#endif
	208	#include <linux/netfilter/xt_set.h>
	209
	210	struct xt_set_info info;
650591a7	211	#if IPSET_PROTOCOL == 6 \|\| IPSET_PROTOCOL == 7
8194411a FW	212	int main(void)
	213	{
	214	return IPSET_MAXNAMELEN;
	215	}
	216	#else
	217	#error unknown ipset version
	218	#endif
	219	EOF
	220
377a0990	221	if $CC -I$INCLUDE -o $TMPDIR/ipsettest $TMPDIR/ipsettest.c >/dev/null 2>&1; then
5f1df307	222	echo "TC_CONFIG_IPSET:=y" >>$CONFIG
8194411a	223	echo "yes"
07a6f5ec	224	else
8194411a	225	echo "no"
07a6f5ec SH	226	fi
07a6f5ec SH	227	rm -f $TMPDIR/ipsettest.c $TMPDIR/ipsettest
8194411a FW	228	}
8194411a FW	229
11c39b5e DB	230	check_elf()
11c39b5e DB	231	{
377a0990	232	if ${PKG_CONFIG} libelf --exists; then
5f1df307	233	echo "HAVE_ELF:=y" >>$CONFIG
11c39b5e	234	echo "yes"
5f1df307 SH	235
	236	echo 'CFLAGS += -DHAVE_ELF' `${PKG_CONFIG} libelf --cflags` >> $CONFIG
	237	echo 'LDLIBS += ' `${PKG_CONFIG} libelf --libs` >>$CONFIG
11c39b5e DB	238	else
	239	echo "no"
	240	fi
11c39b5e DB	241	}
11c39b5e DB	242
116ac927 RH	243	check_selinux()
	244	# SELinux is a compile time option in the ss utility
	245	{
377a0990	246	if ${PKG_CONFIG} libselinux --exists; then
5f1df307	247	echo "HAVE_SELINUX:=y" >>$CONFIG
116ac927	248	echo "yes"
5f1df307 SH	249
	250	echo 'LDLIBS +=' `${PKG_CONFIG} --libs libselinux` >>$CONFIG
	251	echo 'CFLAGS += -DHAVE_SELINUX' `${PKG_CONFIG} --cflags libselinux` >>$CONFIG
116ac927 RH	252	else
	253	echo "no"
	254	fi
	255	}
	256
b6907403 VK	257	check_mnl()
b6907403 VK	258	{
377a0990	259	if ${PKG_CONFIG} libmnl --exists; then
5f1df307	260	echo "HAVE_MNL:=y" >>$CONFIG
a25df488	261	echo "yes"
5f1df307 SH	262
	263	echo 'CFLAGS += -DHAVE_LIBMNL' `${PKG_CONFIG} libmnl --cflags` >>$CONFIG
	264	echo 'LDLIBS +=' `${PKG_CONFIG} libmnl --libs` >> $CONFIG
b6907403	265	else
a25df488	266	echo "no"
b6907403 VK	267	fi
	268	}
	269
a25df488 VK	270	check_berkeley_db()
	271	{
	272	cat >$TMPDIR/dbtest.c <<EOF
	273	#include <fcntl.h>
	274	#include <stdlib.h>
	275	#include <db_185.h>
	276	int main(int argc, char **argv) {
	277	dbopen("/tmp/xxx_test_db.db", O_CREAT\|O_RDWR, 0644, DB_HASH, NULL);
	278	return 0;
	279	}
	280	EOF
377a0990	281	if $CC -I$INCLUDE -o $TMPDIR/dbtest $TMPDIR/dbtest.c -ldb >/dev/null 2>&1; then
5f1df307	282	echo "HAVE_BERKELEY_DB:=y" >>$CONFIG
a25df488 VK	283	echo "yes"
	284	else
	285	echo "no"
	286	fi
	287	rm -f $TMPDIR/dbtest.c $TMPDIR/dbtest
	288	}
	289
4f6b7338 BS	290	check_strlcpy()
	291	{
	292	cat >$TMPDIR/strtest.c <<EOF
	293	#include <string.h>
	294	int main(int argc, char **argv) {
	295	char dst[10];
	296	strlcpy(dst, "test", sizeof(dst));
	297	return 0;
	298	}
	299	EOF
377a0990	300	if $CC -I$INCLUDE -o $TMPDIR/strtest $TMPDIR/strtest.c >/dev/null 2>&1; then
4f6b7338 BS	301	echo "no"
4f6b7338 BS	302	else
377a0990	303	if ${PKG_CONFIG} libbsd --exists; then
508f3c23 LB	304	echo 'CFLAGS += -DHAVE_LIBBSD' `${PKG_CONFIG} libbsd --cflags` >>$CONFIG
	305	echo 'LDLIBS +=' `${PKG_CONFIG} libbsd --libs` >> $CONFIG
	306	echo "no"
	307	else
	308	echo 'CFLAGS += -DNEED_STRLCPY' >>$CONFIG
	309	echo "yes"
	310	fi
4f6b7338 BS	311	fi
	312	rm -f $TMPDIR/strtest.c $TMPDIR/strtest
	313	}
	314
ba2fc55b LB	315	check_cap()
ba2fc55b LB	316	{
377a0990	317	if ${PKG_CONFIG} libcap --exists; then
ba2fc55b LB	318	echo "HAVE_CAP:=y" >>$CONFIG
	319	echo "yes"
	320
	321	echo 'CFLAGS += -DHAVE_LIBCAP' `${PKG_CONFIG} libcap --cflags` >>$CONFIG
	322	echo 'LDLIBS +=' `${PKG_CONFIG} libcap --libs` >> $CONFIG
	323	else
	324	echo "no"
	325	fi
	326	}
	327
57bdf8b7 DA	328	quiet_config()
	329	{
	330	cat <<EOF
	331	# user can control verbosity similar to kernel builds (e.g., V=1)
	332	ifeq ("\$(origin V)", "command line")
	333	VERBOSE = \$(V)
	334	endif
	335	ifndef VERBOSE
	336	VERBOSE = 0
	337	endif
	338	ifeq (\$(VERBOSE),1)
	339	Q =
	340	else
	341	Q = @
	342	endif
	343
	344	ifeq (\$(VERBOSE), 0)
	345	QUIET_CC = @echo ' CC '\$@;
	346	QUIET_AR = @echo ' AR '\$@;
	347	QUIET_LINK = @echo ' LINK '\$@;
	348	QUIET_YACC = @echo ' YACC '\$@;
	349	QUIET_LEX = @echo ' LEX '\$@;
	350	endif
	351	EOF
	352	}
	353
5f1df307 SH	354	echo "# Generated config based on" $INCLUDE >$CONFIG
5f1df307 SH	355	quiet_config >> $CONFIG
57bdf8b7	356
601f60e5	357	check_toolchain
f1a0125b AH	358
	359	echo "TC schedulers"
	360
	361	echo -n " ATM "
	362	check_atm
	363
4710e46e	364	check_xtables
377a0990	365	if ! grep -q TC_CONFIG_NO_XT $CONFIG; then
4710e46e DB	366	echo -n " IPT "
	367	check_xt
	368	check_xt_old
	369	check_xt_old_internal_h
	370	check_ipt
f1a0125b	371
4710e46e DB	372	echo -n " IPSET "
	373	check_ipset
	374	fi
8194411a	375
aaf70458	376	echo
377a0990	377	if ! grep -q TC_CONFIG_NO_XT $CONFIG; then
4710e46e DB	378	echo -n "iptables modules directory: "
	379	check_ipt_lib_dir
	380	fi
2e8a07f5 EB	381
	382	echo -n "libc has setns: "
	383	check_setns
116ac927 RH	384
	385	echo -n "SELinux support: "
	386	check_selinux
10ed8b7f	387
11c39b5e DB	388	echo -n "ELF support: "
	389	check_elf
	390
b6907403 VK	391	echo -n "libmnl support: "
b6907403 VK	392	check_mnl
b6907403	393
a25df488 VK	394	echo -n "Berkeley DB: "
	395	check_berkeley_db
	396
4f6b7338 BS	397	echo -n "need for strlcpy: "
	398	check_strlcpy
	399
ba2fc55b LB	400	echo -n "libcap support: "
	401	check_cap
	402
5f1df307 SH	403	echo >> $CONFIG
5f1df307 SH	404	echo "%.o: %.c" >> $CONFIG
1a03ac6b	405	echo ' $(QUIET_CC)$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(CPPFLAGS) -c -o $@ $<' >> $CONFIG