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Commit | Line | Data |
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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. |
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() |
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}" >>$CONFIG |
601f60e5 MF |
24 | } |
25 | ||
14743a78 | 26 | check_atm() |
f1a0125b | 27 | { |
07a6f5ec | 28 | cat >$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() |
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. |
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 |
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 |
80 | rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest | |
f1a0125b AH |
81 | } |
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 |
114 | rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest | |
f1a0125b AH |
115 | } |
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 $CONFIG && return |
63c7d26f | 121 | |
07a6f5ec SH |
122 | #check if we need our own internal.h |
123 | cat >$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 |
148 | rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest | |
f1a0125b AH |
149 | } |
150 | ||
14743a78 | 151 | check_ipt() |
f1a0125b | 152 | { |
377a0990 | 153 | if ! grep TC_CONFIG_XT $CONFIG > /dev/null; then |
f1a0125b AH |
154 | echo "using iptables" |
155 | fi | |
156 | } | |
157 | ||
12ddfff7 AH |
158 | check_ipt_lib_dir() |
159 | { | |
e4fc4ada | 160 | IPT_LIB_DIR=$(${PKG_CONFIG} --variable=xtlibdir xtables) |
da7fbb24 LW |
161 | if [ -n "$IPT_LIB_DIR" ]; then |
162 | echo $IPT_LIB_DIR | |
5f1df307 | 163 | echo "IPT_LIB_DIR:=$IPT_LIB_DIR" >> $CONFIG |
da7fbb24 LW |
164 | return |
165 | fi | |
166 | ||
377a0990 | 167 | for dir in /lib /usr/lib /usr/local/lib; do |
fce84d64 PV |
168 | for file in "xtables" "iptables"; do |
169 | file="$dir/$file/lib*t_*so" | |
12ddfff7 | 170 | if [ -f $file ]; then |
44e743e5 | 171 | echo ${file%/*} |
5f1df307 | 172 | echo "IPT_LIB_DIR:=${file%/*}" >> $CONFIG |
12ddfff7 AH |
173 | return |
174 | fi | |
175 | done | |
176 | done | |
177 | echo "not found!" | |
178 | } | |
179 | ||
2e8a07f5 EB |
180 | check_setns() |
181 | { | |
07a6f5ec | 182 | cat >$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 |
197 | rm -f $TMPDIR/setnstest.c $TMPDIR/setnstest | |
2e8a07f5 EB |
198 | } |
199 | ||
8194411a FW |
200 | check_ipset() |
201 | { | |
07a6f5ec | 202 | cat >$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; | |
211 | #if IPSET_PROTOCOL == 6 | |
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 |
227 | rm -f $TMPDIR/ipsettest.c $TMPDIR/ipsettest | |
8194411a FW |
228 | } |
229 | ||
11c39b5e DB |
230 | check_elf() |
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 | } |
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() |
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" |
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() |
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 |
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: " |
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 |
404 | echo "%.o: %.c" >> $CONFIG | |
1a03ac6b | 405 | echo ' $(QUIET_CC)$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(CPPFLAGS) -c -o $@ $<' >> $CONFIG |