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