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Commit | Line | Data |
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449bf1f3 | 1 | #! /bin/bash |
07a6f5ec | 2 | # This is not an autoconf generated configure |
449bf1f3 | 3 | # |
4b1bbd9c | 4 | INCLUDE=${1:-"$PWD/include"} |
449bf1f3 | 5 | |
e557d1ac SH |
6 | # Make a temp directory in build tree. |
7 | TMPDIR=$(mktemp -d config.XXXXXX) | |
c2f7d6c7 | 8 | trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM |
e557d1ac | 9 | |
10ed8b7f | 10 | check_prog() |
11 | { | |
12 | echo -n "$2" | |
13 | command -v $1 >/dev/null 2>&1 && (echo "$3:=y" >> Config; echo "yes") || (echo "no"; return 1) | |
14 | } | |
15 | ||
16 | check_docs() | |
17 | { | |
18 | if check_prog latex " latex: " HAVE_LATEX; then | |
19 | check_prog pdflatex " pdflatex: " HAVE_PDFLATEX || echo " WARNING: no PDF docs can be built from LaTeX files" | |
20 | check_prog sgml2latex " sgml2latex: " HAVE_SGML2LATEX || echo " WARNING: no LaTeX files can be build from SGML files" | |
21 | else | |
22 | echo " WARNING: no docs can be built from LaTeX files" | |
23 | fi | |
24 | ||
25 | check_prog sgml2html " sgml2html: " HAVE_SGML2HTML || echo " WARNING: no HTML docs can be built from SGML" | |
26 | } | |
27 | ||
601f60e5 MF |
28 | check_toolchain() |
29 | { | |
07a6f5ec SH |
30 | : ${PKG_CONFIG:=pkg-config} |
31 | : ${AR=ar} | |
32 | : ${CC=gcc} | |
ae7b9a0d | 33 | echo "PKG_CONFIG:=${PKG_CONFIG}" >>Config |
07a6f5ec SH |
34 | echo "AR:=${AR}" >>Config |
35 | echo "CC:=${CC}" >>Config | |
601f60e5 MF |
36 | } |
37 | ||
14743a78 | 38 | check_atm() |
f1a0125b | 39 | { |
07a6f5ec | 40 | cat >$TMPDIR/atmtest.c <<EOF |
c830d77b SH |
41 | #include <atm.h> |
42 | int main(int argc, char **argv) { | |
43 | struct atm_qos qos; | |
44 | (void) text2qos("aal5,ubr:sdu=9180,rx:none",&qos,0); | |
45 | return 0; | |
46 | } | |
47 | EOF | |
07a6f5ec SH |
48 | |
49 | $CC -I$INCLUDE -o $TMPDIR/atmtest $TMPDIR/atmtest.c -latm >/dev/null 2>&1 | |
50 | if [ $? -eq 0 ] | |
51 | then | |
52 | echo "TC_CONFIG_ATM:=y" >>Config | |
53 | echo yes | |
54 | else | |
55 | echo no | |
56 | fi | |
57 | rm -f $TMPDIR/atmtest.c $TMPDIR/atmtest | |
f1a0125b | 58 | } |
63c7d26f | 59 | |
14743a78 | 60 | check_xt() |
f1a0125b | 61 | { |
07a6f5ec SH |
62 | #check if we have xtables from iptables >= 1.4.5. |
63 | cat >$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 | |
a36ceb85 | 85 | echo "TC_CONFIG_XT:=y" >>Config |
f1a0125b | 86 | echo "using xtables" |
07a6f5ec SH |
87 | fi |
88 | rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest | |
f1a0125b AH |
89 | } |
90 | ||
14743a78 | 91 | check_xt_old() |
f1a0125b | 92 | { |
07a6f5ec SH |
93 | # bail if previous XT checks has already succeded. |
94 | if grep -q TC_CONFIG_XT Config | |
95 | then | |
f1a0125b | 96 | return |
07a6f5ec | 97 | fi |
a36ceb85 | 98 | |
07a6f5ec SH |
99 | #check if we dont need our internal header .. |
100 | cat >$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 | |
80d689d0 | 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 $TMPDIR/ipttest | |
f1a0125b AH |
128 | } |
129 | ||
14743a78 | 130 | check_xt_old_internal_h() |
f1a0125b | 131 | { |
07a6f5ec SH |
132 | # bail if previous XT checks has already succeded. |
133 | if grep -q TC_CONFIG_XT Config | |
134 | then | |
f1a0125b | 135 | return |
07a6f5ec | 136 | fi |
63c7d26f | 137 | |
07a6f5ec SH |
138 | #check if we need our own internal.h |
139 | cat >$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" | |
165 | echo "TC_CONFIG_XT_OLD_H:=y" >>Config | |
166 | fi | |
167 | rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest | |
f1a0125b AH |
168 | } |
169 | ||
14743a78 | 170 | check_ipt() |
f1a0125b AH |
171 | { |
172 | if ! grep TC_CONFIG_XT Config > /dev/null | |
173 | then | |
174 | echo "using iptables" | |
175 | fi | |
176 | } | |
177 | ||
12ddfff7 AH |
178 | check_ipt_lib_dir() |
179 | { | |
e4fc4ada | 180 | IPT_LIB_DIR=$(${PKG_CONFIG} --variable=xtlibdir xtables) |
da7fbb24 LW |
181 | if [ -n "$IPT_LIB_DIR" ]; then |
182 | echo $IPT_LIB_DIR | |
183 | echo "IPT_LIB_DIR:=$IPT_LIB_DIR" >> Config | |
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 DM |
191 | echo ${file%/*} |
192 | echo "IPT_LIB_DIR:=${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 | |
2e8a07f5 EB |
213 | echo "IP_CONFIG_SETNS:=y" >>Config |
214 | echo "yes" | |
07a6f5ec | 215 | else |
2e8a07f5 | 216 | echo "no" |
07a6f5ec SH |
217 | fi |
218 | rm -f $TMPDIR/setnstest.c $TMPDIR/setnstest | |
2e8a07f5 EB |
219 | } |
220 | ||
8194411a FW |
221 | check_ipset() |
222 | { | |
07a6f5ec | 223 | cat >$TMPDIR/ipsettest.c <<EOF |
8194411a FW |
224 | #include <linux/netfilter/ipset/ip_set.h> |
225 | #ifndef IP_SET_INVALID | |
226 | #define IPSET_DIM_MAX 3 | |
227 | typedef unsigned short ip_set_id_t; | |
228 | #endif | |
229 | #include <linux/netfilter/xt_set.h> | |
230 | ||
231 | struct xt_set_info info; | |
232 | #if IPSET_PROTOCOL == 6 | |
233 | int main(void) | |
234 | { | |
235 | return IPSET_MAXNAMELEN; | |
236 | } | |
237 | #else | |
238 | #error unknown ipset version | |
239 | #endif | |
240 | EOF | |
241 | ||
07a6f5ec SH |
242 | if $CC -I$INCLUDE -o $TMPDIR/ipsettest $TMPDIR/ipsettest.c >/dev/null 2>&1 |
243 | then | |
8194411a FW |
244 | echo "TC_CONFIG_IPSET:=y" >>Config |
245 | echo "yes" | |
07a6f5ec | 246 | else |
8194411a | 247 | echo "no" |
07a6f5ec SH |
248 | fi |
249 | rm -f $TMPDIR/ipsettest.c $TMPDIR/ipsettest | |
8194411a FW |
250 | } |
251 | ||
11c39b5e DB |
252 | check_elf() |
253 | { | |
254 | cat >$TMPDIR/elftest.c <<EOF | |
255 | #include <libelf.h> | |
256 | #include <gelf.h> | |
257 | int main(void) | |
258 | { | |
259 | Elf_Scn *scn; | |
260 | GElf_Shdr shdr; | |
261 | return elf_version(EV_CURRENT); | |
262 | } | |
263 | EOF | |
264 | ||
265 | if $CC -I$INCLUDE -o $TMPDIR/elftest $TMPDIR/elftest.c -lelf >/dev/null 2>&1 | |
266 | then | |
267 | echo "TC_CONFIG_ELF:=y" >>Config | |
268 | echo "yes" | |
269 | else | |
270 | echo "no" | |
271 | fi | |
272 | rm -f $TMPDIR/elftest.c $TMPDIR/elftest | |
273 | } | |
274 | ||
116ac927 RH |
275 | check_selinux() |
276 | # SELinux is a compile time option in the ss utility | |
277 | { | |
278 | if ${PKG_CONFIG} libselinux --exists | |
279 | then | |
280 | echo "HAVE_SELINUX:=y" >>Config | |
281 | echo "yes" | |
282 | else | |
283 | echo "no" | |
284 | fi | |
285 | } | |
286 | ||
f1a0125b | 287 | echo "# Generated config based on" $INCLUDE >Config |
601f60e5 | 288 | check_toolchain |
f1a0125b AH |
289 | |
290 | echo "TC schedulers" | |
291 | ||
292 | echo -n " ATM " | |
293 | check_atm | |
294 | ||
295 | echo -n " IPT " | |
296 | check_xt | |
297 | check_xt_old | |
298 | check_xt_old_internal_h | |
299 | check_ipt | |
300 | ||
8194411a FW |
301 | echo -n " IPSET " |
302 | check_ipset | |
303 | ||
10ed8b7f | 304 | echo -n -e "\niptables modules directory: " |
12ddfff7 | 305 | check_ipt_lib_dir |
2e8a07f5 EB |
306 | |
307 | echo -n "libc has setns: " | |
308 | check_setns | |
116ac927 RH |
309 | |
310 | echo -n "SELinux support: " | |
311 | check_selinux | |
10ed8b7f | 312 | |
11c39b5e DB |
313 | echo -n "ELF support: " |
314 | check_elf | |
315 | ||
10ed8b7f | 316 | echo -e "\nDocs" |
317 | check_docs |