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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 | ||
20 | check_docs() | |
21 | { | |
22 | if check_prog latex " latex: " HAVE_LATEX; then | |
23 | check_prog pdflatex " pdflatex: " HAVE_PDFLATEX || echo " WARNING: no PDF docs can be built from LaTeX files" | |
24 | check_prog sgml2latex " sgml2latex: " HAVE_SGML2LATEX || echo " WARNING: no LaTeX files can be build from SGML files" | |
25 | else | |
26 | echo " WARNING: no docs can be built from LaTeX files" | |
27 | fi | |
28 | ||
29 | check_prog sgml2html " sgml2html: " HAVE_SGML2HTML || echo " WARNING: no HTML docs can be built from SGML" | |
30 | } | |
31 | ||
601f60e5 MF |
32 | check_toolchain() |
33 | { | |
07a6f5ec SH |
34 | : ${PKG_CONFIG:=pkg-config} |
35 | : ${AR=ar} | |
36 | : ${CC=gcc} | |
5f1df307 SH |
37 | echo "PKG_CONFIG:=${PKG_CONFIG}" >>$CONFIG |
38 | echo "AR:=${AR}" >>$CONFIG | |
39 | echo "CC:=${CC}" >>$CONFIG | |
601f60e5 MF |
40 | } |
41 | ||
14743a78 | 42 | check_atm() |
f1a0125b | 43 | { |
07a6f5ec | 44 | cat >$TMPDIR/atmtest.c <<EOF |
c830d77b SH |
45 | #include <atm.h> |
46 | int main(int argc, char **argv) { | |
47 | struct atm_qos qos; | |
48 | (void) text2qos("aal5,ubr:sdu=9180,rx:none",&qos,0); | |
49 | return 0; | |
50 | } | |
51 | EOF | |
07a6f5ec SH |
52 | |
53 | $CC -I$INCLUDE -o $TMPDIR/atmtest $TMPDIR/atmtest.c -latm >/dev/null 2>&1 | |
54 | if [ $? -eq 0 ] | |
55 | then | |
5f1df307 | 56 | echo "TC_CONFIG_ATM:=y" >>$CONFIG |
07a6f5ec SH |
57 | echo yes |
58 | else | |
59 | echo no | |
60 | fi | |
61 | rm -f $TMPDIR/atmtest.c $TMPDIR/atmtest | |
f1a0125b | 62 | } |
63c7d26f | 63 | |
4710e46e DB |
64 | check_xtables() |
65 | { | |
66 | if ! ${PKG_CONFIG} xtables --exists | |
67 | then | |
5f1df307 | 68 | echo "TC_CONFIG_NO_XT:=y" >>$CONFIG |
4710e46e DB |
69 | fi |
70 | } | |
71 | ||
14743a78 | 72 | check_xt() |
f1a0125b | 73 | { |
07a6f5ec SH |
74 | #check if we have xtables from iptables >= 1.4.5. |
75 | cat >$TMPDIR/ipttest.c <<EOF | |
a36ceb85 AH |
76 | #include <xtables.h> |
77 | #include <linux/netfilter.h> | |
78 | static struct xtables_globals test_globals = { | |
79 | .option_offset = 0, | |
80 | .program_name = "tc-ipt", | |
81 | .program_version = XTABLES_VERSION, | |
82 | .orig_opts = NULL, | |
83 | .opts = NULL, | |
84 | .exit_err = NULL, | |
85 | }; | |
86 | ||
87 | int main(int argc, char **argv) | |
88 | { | |
89 | xtables_init_all(&test_globals, NFPROTO_IPV4); | |
90 | return 0; | |
91 | } | |
a36ceb85 AH |
92 | EOF |
93 | ||
07a6f5ec SH |
94 | if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL \ |
95 | $(${PKG_CONFIG} xtables --cflags --libs) -ldl >/dev/null 2>&1 | |
96 | then | |
5f1df307 | 97 | echo "TC_CONFIG_XT:=y" >>$CONFIG |
f1a0125b | 98 | echo "using xtables" |
07a6f5ec SH |
99 | fi |
100 | rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest | |
f1a0125b AH |
101 | } |
102 | ||
14743a78 | 103 | check_xt_old() |
f1a0125b | 104 | { |
07a6f5ec | 105 | # bail if previous XT checks has already succeded. |
5f1df307 | 106 | if grep -q TC_CONFIG_XT $CONFIG |
07a6f5ec | 107 | then |
f1a0125b | 108 | return |
07a6f5ec | 109 | fi |
a36ceb85 | 110 | |
07a6f5ec SH |
111 | #check if we dont need our internal header .. |
112 | cat >$TMPDIR/ipttest.c <<EOF | |
63c7d26f JHS |
113 | #include <xtables.h> |
114 | char *lib_dir; | |
115 | unsigned int global_option_offset = 0; | |
116 | const char *program_version = XTABLES_VERSION; | |
117 | const char *program_name = "tc-ipt"; | |
118 | struct afinfo afinfo = { | |
119 | .libprefix = "libxt_", | |
120 | }; | |
121 | ||
122 | void exit_error(enum exittype status, const char *msg, ...) | |
123 | { | |
124 | } | |
125 | ||
126 | int main(int argc, char **argv) { | |
127 | ||
128 | return 0; | |
129 | } | |
130 | ||
131 | EOF | |
63c7d26f | 132 | |
07a6f5ec SH |
133 | $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1 |
134 | if [ $? -eq 0 ] | |
135 | then | |
5f1df307 | 136 | echo "TC_CONFIG_XT_OLD:=y" >>$CONFIG |
f1a0125b | 137 | echo "using old xtables (no need for xt-internal.h)" |
07a6f5ec SH |
138 | fi |
139 | rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest | |
f1a0125b AH |
140 | } |
141 | ||
14743a78 | 142 | check_xt_old_internal_h() |
f1a0125b | 143 | { |
07a6f5ec | 144 | # bail if previous XT checks has already succeded. |
5f1df307 | 145 | if grep -q TC_CONFIG_XT $CONFIG |
07a6f5ec | 146 | then |
f1a0125b | 147 | return |
07a6f5ec | 148 | fi |
63c7d26f | 149 | |
07a6f5ec SH |
150 | #check if we need our own internal.h |
151 | cat >$TMPDIR/ipttest.c <<EOF | |
63c7d26f JHS |
152 | #include <xtables.h> |
153 | #include "xt-internal.h" | |
154 | char *lib_dir; | |
155 | unsigned int global_option_offset = 0; | |
156 | const char *program_version = XTABLES_VERSION; | |
157 | const char *program_name = "tc-ipt"; | |
158 | struct afinfo afinfo = { | |
159 | .libprefix = "libxt_", | |
160 | }; | |
161 | ||
162 | void exit_error(enum exittype status, const char *msg, ...) | |
163 | { | |
164 | } | |
165 | ||
166 | int main(int argc, char **argv) { | |
167 | ||
168 | return 0; | |
169 | } | |
170 | ||
171 | EOF | |
07a6f5ec | 172 | $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1 |
63c7d26f | 173 | |
07a6f5ec SH |
174 | if [ $? -eq 0 ] |
175 | then | |
176 | echo "using old xtables with xt-internal.h" | |
5f1df307 | 177 | echo "TC_CONFIG_XT_OLD_H:=y" >>$CONFIG |
07a6f5ec SH |
178 | fi |
179 | rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest | |
f1a0125b AH |
180 | } |
181 | ||
14743a78 | 182 | check_ipt() |
f1a0125b | 183 | { |
5f1df307 | 184 | if ! grep TC_CONFIG_XT $CONFIG > /dev/null |
f1a0125b AH |
185 | then |
186 | echo "using iptables" | |
187 | fi | |
188 | } | |
189 | ||
12ddfff7 AH |
190 | check_ipt_lib_dir() |
191 | { | |
e4fc4ada | 192 | IPT_LIB_DIR=$(${PKG_CONFIG} --variable=xtlibdir xtables) |
da7fbb24 LW |
193 | if [ -n "$IPT_LIB_DIR" ]; then |
194 | echo $IPT_LIB_DIR | |
5f1df307 | 195 | echo "IPT_LIB_DIR:=$IPT_LIB_DIR" >> $CONFIG |
da7fbb24 LW |
196 | return |
197 | fi | |
198 | ||
12ddfff7 AH |
199 | for dir in /lib /usr/lib /usr/local/lib |
200 | do | |
44e743e5 | 201 | for file in $dir/{xtables,iptables}/lib*t_*so ; do |
12ddfff7 | 202 | if [ -f $file ]; then |
44e743e5 | 203 | echo ${file%/*} |
5f1df307 | 204 | echo "IPT_LIB_DIR:=${file%/*}" >> $CONFIG |
12ddfff7 AH |
205 | return |
206 | fi | |
207 | done | |
208 | done | |
209 | echo "not found!" | |
210 | } | |
211 | ||
2e8a07f5 EB |
212 | check_setns() |
213 | { | |
07a6f5ec | 214 | cat >$TMPDIR/setnstest.c <<EOF |
2e8a07f5 | 215 | #include <sched.h> |
d116ff34 | 216 | int main(int argc, char **argv) |
2e8a07f5 EB |
217 | { |
218 | (void)setns(0,0); | |
219 | return 0; | |
220 | } | |
221 | EOF | |
07a6f5ec SH |
222 | $CC -I$INCLUDE -o $TMPDIR/setnstest $TMPDIR/setnstest.c >/dev/null 2>&1 |
223 | if [ $? -eq 0 ] | |
224 | then | |
5f1df307 | 225 | echo "IP_CONFIG_SETNS:=y" >>$CONFIG |
2e8a07f5 | 226 | echo "yes" |
5f1df307 | 227 | echo "CFLAGS += -DHAVE_SETNS" >>$CONFIG |
07a6f5ec | 228 | else |
2e8a07f5 | 229 | echo "no" |
07a6f5ec SH |
230 | fi |
231 | rm -f $TMPDIR/setnstest.c $TMPDIR/setnstest | |
2e8a07f5 EB |
232 | } |
233 | ||
8194411a FW |
234 | check_ipset() |
235 | { | |
07a6f5ec | 236 | cat >$TMPDIR/ipsettest.c <<EOF |
8194411a FW |
237 | #include <linux/netfilter/ipset/ip_set.h> |
238 | #ifndef IP_SET_INVALID | |
239 | #define IPSET_DIM_MAX 3 | |
240 | typedef unsigned short ip_set_id_t; | |
241 | #endif | |
242 | #include <linux/netfilter/xt_set.h> | |
243 | ||
244 | struct xt_set_info info; | |
245 | #if IPSET_PROTOCOL == 6 | |
246 | int main(void) | |
247 | { | |
248 | return IPSET_MAXNAMELEN; | |
249 | } | |
250 | #else | |
251 | #error unknown ipset version | |
252 | #endif | |
253 | EOF | |
254 | ||
07a6f5ec SH |
255 | if $CC -I$INCLUDE -o $TMPDIR/ipsettest $TMPDIR/ipsettest.c >/dev/null 2>&1 |
256 | then | |
5f1df307 | 257 | echo "TC_CONFIG_IPSET:=y" >>$CONFIG |
8194411a | 258 | echo "yes" |
07a6f5ec | 259 | else |
8194411a | 260 | echo "no" |
07a6f5ec SH |
261 | fi |
262 | rm -f $TMPDIR/ipsettest.c $TMPDIR/ipsettest | |
8194411a FW |
263 | } |
264 | ||
11c39b5e DB |
265 | check_elf() |
266 | { | |
5f1df307 | 267 | if ${PKG_CONFIG} libelf --exists |
11c39b5e | 268 | then |
5f1df307 | 269 | echo "HAVE_ELF:=y" >>$CONFIG |
11c39b5e | 270 | echo "yes" |
5f1df307 SH |
271 | |
272 | echo 'CFLAGS += -DHAVE_ELF' `${PKG_CONFIG} libelf --cflags` >> $CONFIG | |
273 | echo 'LDLIBS += ' `${PKG_CONFIG} libelf --libs` >>$CONFIG | |
11c39b5e DB |
274 | else |
275 | echo "no" | |
276 | fi | |
11c39b5e DB |
277 | } |
278 | ||
116ac927 RH |
279 | check_selinux() |
280 | # SELinux is a compile time option in the ss utility | |
281 | { | |
282 | if ${PKG_CONFIG} libselinux --exists | |
283 | then | |
5f1df307 | 284 | echo "HAVE_SELINUX:=y" >>$CONFIG |
116ac927 | 285 | echo "yes" |
5f1df307 SH |
286 | |
287 | echo 'LDLIBS +=' `${PKG_CONFIG} --libs libselinux` >>$CONFIG | |
288 | echo 'CFLAGS += -DHAVE_SELINUX' `${PKG_CONFIG} --cflags libselinux` >>$CONFIG | |
116ac927 RH |
289 | else |
290 | echo "no" | |
291 | fi | |
292 | } | |
293 | ||
b6907403 VK |
294 | check_mnl() |
295 | { | |
296 | if ${PKG_CONFIG} libmnl --exists | |
297 | then | |
5f1df307 | 298 | echo "HAVE_MNL:=y" >>$CONFIG |
a25df488 | 299 | echo "yes" |
5f1df307 SH |
300 | |
301 | echo 'CFLAGS += -DHAVE_LIBMNL' `${PKG_CONFIG} libmnl --cflags` >>$CONFIG | |
302 | echo 'LDLIBS +=' `${PKG_CONFIG} libmnl --libs` >> $CONFIG | |
b6907403 | 303 | else |
a25df488 | 304 | echo "no" |
b6907403 VK |
305 | fi |
306 | } | |
307 | ||
a25df488 VK |
308 | check_berkeley_db() |
309 | { | |
310 | cat >$TMPDIR/dbtest.c <<EOF | |
311 | #include <fcntl.h> | |
312 | #include <stdlib.h> | |
313 | #include <db_185.h> | |
314 | int main(int argc, char **argv) { | |
315 | dbopen("/tmp/xxx_test_db.db", O_CREAT|O_RDWR, 0644, DB_HASH, NULL); | |
316 | return 0; | |
317 | } | |
318 | EOF | |
319 | $CC -I$INCLUDE -o $TMPDIR/dbtest $TMPDIR/dbtest.c -ldb >/dev/null 2>&1 | |
320 | if [ $? -eq 0 ] | |
321 | then | |
5f1df307 | 322 | echo "HAVE_BERKELEY_DB:=y" >>$CONFIG |
a25df488 VK |
323 | echo "yes" |
324 | else | |
325 | echo "no" | |
326 | fi | |
327 | rm -f $TMPDIR/dbtest.c $TMPDIR/dbtest | |
328 | } | |
329 | ||
4f6b7338 BS |
330 | check_strlcpy() |
331 | { | |
332 | cat >$TMPDIR/strtest.c <<EOF | |
333 | #include <string.h> | |
334 | int main(int argc, char **argv) { | |
335 | char dst[10]; | |
336 | strlcpy(dst, "test", sizeof(dst)); | |
337 | return 0; | |
338 | } | |
339 | EOF | |
340 | $CC -I$INCLUDE -o $TMPDIR/strtest $TMPDIR/strtest.c >/dev/null 2>&1 | |
341 | if [ $? -eq 0 ] | |
342 | then | |
343 | echo "no" | |
344 | else | |
345 | echo 'CFLAGS += -DNEED_STRLCPY' >>$CONFIG | |
346 | echo "yes" | |
347 | fi | |
348 | rm -f $TMPDIR/strtest.c $TMPDIR/strtest | |
349 | } | |
350 | ||
57bdf8b7 DA |
351 | quiet_config() |
352 | { | |
353 | cat <<EOF | |
354 | # user can control verbosity similar to kernel builds (e.g., V=1) | |
355 | ifeq ("\$(origin V)", "command line") | |
356 | VERBOSE = \$(V) | |
357 | endif | |
358 | ifndef VERBOSE | |
359 | VERBOSE = 0 | |
360 | endif | |
361 | ifeq (\$(VERBOSE),1) | |
362 | Q = | |
363 | else | |
364 | Q = @ | |
365 | endif | |
366 | ||
367 | ifeq (\$(VERBOSE), 0) | |
368 | QUIET_CC = @echo ' CC '\$@; | |
369 | QUIET_AR = @echo ' AR '\$@; | |
370 | QUIET_LINK = @echo ' LINK '\$@; | |
371 | QUIET_YACC = @echo ' YACC '\$@; | |
372 | QUIET_LEX = @echo ' LEX '\$@; | |
373 | endif | |
374 | EOF | |
375 | } | |
376 | ||
5f1df307 SH |
377 | echo "# Generated config based on" $INCLUDE >$CONFIG |
378 | quiet_config >> $CONFIG | |
57bdf8b7 | 379 | |
601f60e5 | 380 | check_toolchain |
f1a0125b AH |
381 | |
382 | echo "TC schedulers" | |
383 | ||
384 | echo -n " ATM " | |
385 | check_atm | |
386 | ||
4710e46e | 387 | check_xtables |
5f1df307 | 388 | if ! grep -q TC_CONFIG_NO_XT $CONFIG |
4710e46e DB |
389 | then |
390 | echo -n " IPT " | |
391 | check_xt | |
392 | check_xt_old | |
393 | check_xt_old_internal_h | |
394 | check_ipt | |
f1a0125b | 395 | |
4710e46e DB |
396 | echo -n " IPSET " |
397 | check_ipset | |
398 | fi | |
8194411a | 399 | |
aaf70458 | 400 | echo |
5f1df307 | 401 | if ! grep -q TC_CONFIG_NO_XT $CONFIG |
4710e46e DB |
402 | then |
403 | echo -n "iptables modules directory: " | |
404 | check_ipt_lib_dir | |
405 | fi | |
2e8a07f5 EB |
406 | |
407 | echo -n "libc has setns: " | |
408 | check_setns | |
116ac927 RH |
409 | |
410 | echo -n "SELinux support: " | |
411 | check_selinux | |
10ed8b7f | 412 | |
11c39b5e DB |
413 | echo -n "ELF support: " |
414 | check_elf | |
415 | ||
b6907403 VK |
416 | echo -n "libmnl support: " |
417 | check_mnl | |
b6907403 | 418 | |
a25df488 VK |
419 | echo -n "Berkeley DB: " |
420 | check_berkeley_db | |
421 | ||
4f6b7338 BS |
422 | echo -n "need for strlcpy: " |
423 | check_strlcpy | |
424 | ||
aaf70458 SH |
425 | echo |
426 | echo -n "docs:" | |
10ed8b7f | 427 | check_docs |
aaf70458 | 428 | echo |
57bdf8b7 | 429 | |
5f1df307 SH |
430 | echo >> $CONFIG |
431 | echo "%.o: %.c" >> $CONFIG | |
432 | echo ' $(QUIET_CC)$(CC) $(CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $<' >> $CONFIG |