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Commit | Line | Data |
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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. |
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 | } |
19 | ||
601f60e5 MF |
20 | check_toolchain() |
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}" >>$CONFIG | |
601f60e5 MF |
28 | } |
29 | ||
14743a78 | 30 | check_atm() |
f1a0125b | 31 | { |
07a6f5ec | 32 | cat >$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. |
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 |
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 |
88 | rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest | |
f1a0125b AH |
89 | } |
90 | ||
14743a78 | 91 | check_xt_old() |
f1a0125b | 92 | { |
07a6f5ec | 93 | # bail if previous XT checks has already succeded. |
5f1df307 | 94 | if grep -q TC_CONFIG_XT $CONFIG |
07a6f5ec | 95 | then |
f1a0125b | 96 | return |
07a6f5ec | 97 | fi |
a36ceb85 | 98 | |
07a6f5ec SH |
99 | #check if we dont need our internal header .. |
100 | cat >$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 |
127 | rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest | |
f1a0125b AH |
128 | } |
129 | ||
14743a78 | 130 | check_xt_old_internal_h() |
f1a0125b | 131 | { |
07a6f5ec | 132 | # bail if previous XT checks has already succeded. |
5f1df307 | 133 | if grep -q TC_CONFIG_XT $CONFIG |
07a6f5ec | 134 | then |
f1a0125b | 135 | return |
07a6f5ec | 136 | fi |
63c7d26f | 137 | |
07a6f5ec SH |
138 | #check if we need our own internal.h |
139 | cat >$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 |
167 | rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest | |
f1a0125b AH |
168 | } |
169 | ||
14743a78 | 170 | check_ipt() |
f1a0125b | 171 | { |
5f1df307 | 172 | if ! grep TC_CONFIG_XT $CONFIG > /dev/null |
f1a0125b AH |
173 | then |
174 | echo "using iptables" | |
175 | fi | |
176 | } | |
177 | ||
12ddfff7 AH |
178 | check_ipt_lib_dir() |
179 | { | |
e4fc4ada | 180 | IPT_LIB_DIR=$(${PKG_CONFIG} --variable=xtlibdir xtables) |
da7fbb24 LW |
181 | if [ -n "$IPT_LIB_DIR" ]; then |
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 |
188 | do | |
44e743e5 | 189 | for file in $dir/{xtables,iptables}/lib*t_*so ; do |
12ddfff7 | 190 | if [ -f $file ]; then |
44e743e5 | 191 | echo ${file%/*} |
5f1df307 | 192 | echo "IPT_LIB_DIR:=${file%/*}" >> $CONFIG |
12ddfff7 AH |
193 | return |
194 | fi | |
195 | done | |
196 | done | |
197 | echo "not found!" | |
198 | } | |
199 | ||
2e8a07f5 EB |
200 | check_setns() |
201 | { | |
07a6f5ec | 202 | cat >$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 |
219 | rm -f $TMPDIR/setnstest.c $TMPDIR/setnstest | |
2e8a07f5 EB |
220 | } |
221 | ||
8194411a FW |
222 | check_ipset() |
223 | { | |
07a6f5ec | 224 | cat >$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 $TMPDIR/ipsettest.c >/dev/null 2>&1 |
244 | then | |
5f1df307 | 245 | echo "TC_CONFIG_IPSET:=y" >>$CONFIG |
8194411a | 246 | echo "yes" |
07a6f5ec | 247 | else |
8194411a | 248 | echo "no" |
07a6f5ec SH |
249 | fi |
250 | rm -f $TMPDIR/ipsettest.c $TMPDIR/ipsettest | |
8194411a FW |
251 | } |
252 | ||
11c39b5e DB |
253 | check_elf() |
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 | } |
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 [ $? -eq 0 ] | |
330 | then | |
331 | echo "no" | |
332 | else | |
333 | echo 'CFLAGS += -DNEED_STRLCPY' >>$CONFIG | |
334 | echo "yes" | |
335 | fi | |
336 | rm -f $TMPDIR/strtest.c $TMPDIR/strtest | |
337 | } | |
338 | ||
57bdf8b7 DA |
339 | quiet_config() |
340 | { | |
341 | cat <<EOF | |
342 | # user can control verbosity similar to kernel builds (e.g., V=1) | |
343 | ifeq ("\$(origin V)", "command line") | |
344 | VERBOSE = \$(V) | |
345 | endif | |
346 | ifndef VERBOSE | |
347 | VERBOSE = 0 | |
348 | endif | |
349 | ifeq (\$(VERBOSE),1) | |
350 | Q = | |
351 | else | |
352 | Q = @ | |
353 | endif | |
354 | ||
355 | ifeq (\$(VERBOSE), 0) | |
356 | QUIET_CC = @echo ' CC '\$@; | |
357 | QUIET_AR = @echo ' AR '\$@; | |
358 | QUIET_LINK = @echo ' LINK '\$@; | |
359 | QUIET_YACC = @echo ' YACC '\$@; | |
360 | QUIET_LEX = @echo ' LEX '\$@; | |
361 | endif | |
362 | EOF | |
363 | } | |
364 | ||
5f1df307 SH |
365 | echo "# Generated config based on" $INCLUDE >$CONFIG |
366 | quiet_config >> $CONFIG | |
57bdf8b7 | 367 | |
601f60e5 | 368 | check_toolchain |
f1a0125b AH |
369 | |
370 | echo "TC schedulers" | |
371 | ||
372 | echo -n " ATM " | |
373 | check_atm | |
374 | ||
4710e46e | 375 | check_xtables |
5f1df307 | 376 | if ! grep -q TC_CONFIG_NO_XT $CONFIG |
4710e46e DB |
377 | then |
378 | echo -n " IPT " | |
379 | check_xt | |
380 | check_xt_old | |
381 | check_xt_old_internal_h | |
382 | check_ipt | |
f1a0125b | 383 | |
4710e46e DB |
384 | echo -n " IPSET " |
385 | check_ipset | |
386 | fi | |
8194411a | 387 | |
aaf70458 | 388 | echo |
5f1df307 | 389 | if ! grep -q TC_CONFIG_NO_XT $CONFIG |
4710e46e DB |
390 | then |
391 | echo -n "iptables modules directory: " | |
392 | check_ipt_lib_dir | |
393 | fi | |
2e8a07f5 EB |
394 | |
395 | echo -n "libc has setns: " | |
396 | check_setns | |
116ac927 RH |
397 | |
398 | echo -n "SELinux support: " | |
399 | check_selinux | |
10ed8b7f | 400 | |
11c39b5e DB |
401 | echo -n "ELF support: " |
402 | check_elf | |
403 | ||
b6907403 VK |
404 | echo -n "libmnl support: " |
405 | check_mnl | |
b6907403 | 406 | |
a25df488 VK |
407 | echo -n "Berkeley DB: " |
408 | check_berkeley_db | |
409 | ||
4f6b7338 BS |
410 | echo -n "need for strlcpy: " |
411 | check_strlcpy | |
412 | ||
5f1df307 SH |
413 | echo >> $CONFIG |
414 | echo "%.o: %.c" >> $CONFIG | |
415 | echo ' $(QUIET_CC)$(CC) $(CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $<' >> $CONFIG |