2 # SPDX-License-Identifier: GPL-2.0
3 # This is not an autoconf generated configure
5 INCLUDE=${1:-"$PWD/include"}
7 # Output file which is input to Makefile
10 # Make a temp directory in build tree.
11 TMPDIR=$(mktemp -d config.XXXXXX)
12 trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM
16 : ${PKG_CONFIG:=pkg-config}
20 echo "PKG_CONFIG:=${PKG_CONFIG}" >>$CONFIG
21 echo "AR:=${AR}" >>$CONFIG
22 echo "CC:=${CC}" >>$CONFIG
23 echo "YACC:=${YACC}" >>$CONFIG
28 cat >$TMPDIR/atmtest.c <<EOF
30 int main(int argc, char **argv) {
32 (void) text2qos("aal5,ubr:sdu=9180,rx:none",&qos,0);
37 if $CC -I$INCLUDE -o $TMPDIR/atmtest $TMPDIR/atmtest.c -latm >/dev/null 2>&1; then
38 echo "TC_CONFIG_ATM:=y" >>$CONFIG
43 rm -f $TMPDIR/atmtest.c $TMPDIR/atmtest
48 if ! ${PKG_CONFIG} xtables --exists; then
49 echo "TC_CONFIG_NO_XT:=y" >>$CONFIG
55 #check if we have xtables from iptables >= 1.4.5.
56 cat >$TMPDIR/ipttest.c <<EOF
58 #include <linux/netfilter.h>
59 static struct xtables_globals test_globals = {
61 .program_name = "tc-ipt",
62 .program_version = XTABLES_VERSION,
68 int main(int argc, char **argv)
70 xtables_init_all(&test_globals, NFPROTO_IPV4);
75 if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL \
76 $(${PKG_CONFIG} xtables --cflags --libs) -ldl >/dev/null 2>&1; then
77 echo "TC_CONFIG_XT:=y" >>$CONFIG
80 rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
85 # bail if previous XT checks has already succeeded.
86 grep -q TC_CONFIG_XT $CONFIG && return
88 #check if we don't need our internal header ..
89 cat >$TMPDIR/ipttest.c <<EOF
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_",
99 void exit_error(enum exittype status, const char *msg, ...)
103 int main(int argc, char **argv) {
110 if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1; then
111 echo "TC_CONFIG_XT_OLD:=y" >>$CONFIG
112 echo "using old xtables (no need for xt-internal.h)"
114 rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
117 check_xt_old_internal_h()
119 # bail if previous XT checks has already succeeded.
120 grep -q TC_CONFIG_XT $CONFIG && return
122 #check if we need our own internal.h
123 cat >$TMPDIR/ipttest.c <<EOF
125 #include "xt-internal.h"
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_",
134 void exit_error(enum exittype status, const char *msg, ...)
138 int main(int argc, char **argv) {
144 if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1; then
145 echo "using old xtables with xt-internal.h"
146 echo "TC_CONFIG_XT_OLD_H:=y" >>$CONFIG
148 rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
153 if ! grep TC_CONFIG_XT $CONFIG > /dev/null; then
154 echo "using iptables"
160 IPT_LIB_DIR=$(${PKG_CONFIG} --variable=xtlibdir xtables)
161 if [ -n "$IPT_LIB_DIR" ]; then
163 echo "IPT_LIB_DIR:=$IPT_LIB_DIR" >> $CONFIG
167 for dir in /lib /usr/lib /usr/local/lib; do
168 for file in "xtables" "iptables"; do
169 file="$dir/$file/lib*t_*so"
170 if [ -f $file ]; then
172 echo "IPT_LIB_DIR:=${file%/*}" >> $CONFIG
182 cat >$TMPDIR/setnstest.c <<EOF
184 int main(int argc, char **argv)
190 if $CC -I$INCLUDE -o $TMPDIR/setnstest $TMPDIR/setnstest.c >/dev/null 2>&1; then
191 echo "IP_CONFIG_SETNS:=y" >>$CONFIG
193 echo "CFLAGS += -DHAVE_SETNS" >>$CONFIG
197 rm -f $TMPDIR/setnstest.c $TMPDIR/setnstest
202 cat >$TMPDIR/ipsettest.c <<EOF
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;
208 #include <linux/netfilter/xt_set.h>
210 struct xt_set_info info;
211 #if IPSET_PROTOCOL == 6
214 return IPSET_MAXNAMELEN;
217 #error unknown ipset version
221 if $CC -I$INCLUDE -o $TMPDIR/ipsettest $TMPDIR/ipsettest.c >/dev/null 2>&1; then
222 echo "TC_CONFIG_IPSET:=y" >>$CONFIG
227 rm -f $TMPDIR/ipsettest.c $TMPDIR/ipsettest
232 if ${PKG_CONFIG} libelf --exists; then
233 echo "HAVE_ELF:=y" >>$CONFIG
236 echo 'CFLAGS += -DHAVE_ELF' `${PKG_CONFIG} libelf --cflags` >> $CONFIG
237 echo 'LDLIBS += ' `${PKG_CONFIG} libelf --libs` >>$CONFIG
244 # SELinux is a compile time option in the ss utility
246 if ${PKG_CONFIG} libselinux --exists; then
247 echo "HAVE_SELINUX:=y" >>$CONFIG
250 echo 'LDLIBS +=' `${PKG_CONFIG} --libs libselinux` >>$CONFIG
251 echo 'CFLAGS += -DHAVE_SELINUX' `${PKG_CONFIG} --cflags libselinux` >>$CONFIG
259 if ${PKG_CONFIG} libmnl --exists; then
260 echo "HAVE_MNL:=y" >>$CONFIG
263 echo 'CFLAGS += -DHAVE_LIBMNL' `${PKG_CONFIG} libmnl --cflags` >>$CONFIG
264 echo 'LDLIBS +=' `${PKG_CONFIG} libmnl --libs` >> $CONFIG
272 cat >$TMPDIR/dbtest.c <<EOF
276 int main(int argc, char **argv) {
277 dbopen("/tmp/xxx_test_db.db", O_CREAT|O_RDWR, 0644, DB_HASH, NULL);
281 if $CC -I$INCLUDE -o $TMPDIR/dbtest $TMPDIR/dbtest.c -ldb >/dev/null 2>&1; then
282 echo "HAVE_BERKELEY_DB:=y" >>$CONFIG
287 rm -f $TMPDIR/dbtest.c $TMPDIR/dbtest
292 cat >$TMPDIR/strtest.c <<EOF
294 int main(int argc, char **argv) {
296 strlcpy(dst, "test", sizeof(dst));
300 if $CC -I$INCLUDE -o $TMPDIR/strtest $TMPDIR/strtest.c >/dev/null 2>&1; then
303 if ${PKG_CONFIG} libbsd --exists; then
304 echo 'CFLAGS += -DHAVE_LIBBSD' `${PKG_CONFIG} libbsd --cflags` >>$CONFIG
305 echo 'LDLIBS +=' `${PKG_CONFIG} libbsd --libs` >> $CONFIG
308 echo 'CFLAGS += -DNEED_STRLCPY' >>$CONFIG
312 rm -f $TMPDIR/strtest.c $TMPDIR/strtest
317 if ${PKG_CONFIG} libcap --exists; then
318 echo "HAVE_CAP:=y" >>$CONFIG
321 echo 'CFLAGS += -DHAVE_LIBCAP' `${PKG_CONFIG} libcap --cflags` >>$CONFIG
322 echo 'LDLIBS +=' `${PKG_CONFIG} libcap --libs` >> $CONFIG
331 # user can control verbosity similar to kernel builds (e.g., V=1)
332 ifeq ("\$(origin V)", "command line")
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 '\$@;
354 echo "# Generated config based on" $INCLUDE >$CONFIG
355 quiet_config >> $CONFIG
365 if ! grep -q TC_CONFIG_NO_XT $CONFIG; then
369 check_xt_old_internal_h
377 if ! grep -q TC_CONFIG_NO_XT $CONFIG; then
378 echo -n "iptables modules directory: "
382 echo -n "libc has setns: "
385 echo -n "SELinux support: "
388 echo -n "ELF support: "
391 echo -n "libmnl support: "
394 echo -n "Berkeley DB: "
397 echo -n "need for strlcpy: "
400 echo -n "libcap support: "
404 echo "%.o: %.c" >> $CONFIG
405 echo ' $(QUIET_CC)$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(CPPFLAGS) -c -o $@ $<' >> $CONFIG