forked from iproute2/iproute2
-
Notifications
You must be signed in to change notification settings - Fork 0
/
configure
executable file
·391 lines (339 loc) · 7.43 KB
/
configure
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
#! /bin/bash
# This is not an autoconf generated configure
#
INCLUDE=${1:-"$PWD/include"}
# Make a temp directory in build tree.
TMPDIR=$(mktemp -d config.XXXXXX)
trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM
check_prog()
{
echo -n "$2"
command -v $1 >/dev/null 2>&1 && (echo "$3:=y" >> Config; echo "yes") || (echo "no"; return 1)
}
check_docs()
{
if check_prog latex " latex: " HAVE_LATEX; then
check_prog pdflatex " pdflatex: " HAVE_PDFLATEX || echo " WARNING: no PDF docs can be built from LaTeX files"
check_prog sgml2latex " sgml2latex: " HAVE_SGML2LATEX || echo " WARNING: no LaTeX files can be build from SGML files"
else
echo " WARNING: no docs can be built from LaTeX files"
fi
check_prog sgml2html " sgml2html: " HAVE_SGML2HTML || echo " WARNING: no HTML docs can be built from SGML"
}
check_toolchain()
{
: ${PKG_CONFIG:=pkg-config}
: ${AR=ar}
: ${CC=gcc}
echo "PKG_CONFIG:=${PKG_CONFIG}" >>Config
echo "AR:=${AR}" >>Config
echo "CC:=${CC}" >>Config
}
check_atm()
{
cat >$TMPDIR/atmtest.c <<EOF
#include <atm.h>
int main(int argc, char **argv) {
struct atm_qos qos;
(void) text2qos("aal5,ubr:sdu=9180,rx:none",&qos,0);
return 0;
}
EOF
$CC -I$INCLUDE -o $TMPDIR/atmtest $TMPDIR/atmtest.c -latm >/dev/null 2>&1
if [ $? -eq 0 ]
then
echo "TC_CONFIG_ATM:=y" >>Config
echo yes
else
echo no
fi
rm -f $TMPDIR/atmtest.c $TMPDIR/atmtest
}
check_xt()
{
#check if we have xtables from iptables >= 1.4.5.
cat >$TMPDIR/ipttest.c <<EOF
#include <xtables.h>
#include <linux/netfilter.h>
static struct xtables_globals test_globals = {
.option_offset = 0,
.program_name = "tc-ipt",
.program_version = XTABLES_VERSION,
.orig_opts = NULL,
.opts = NULL,
.exit_err = NULL,
};
int main(int argc, char **argv)
{
xtables_init_all(&test_globals, NFPROTO_IPV4);
return 0;
}
EOF
if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL \
$(${PKG_CONFIG} xtables --cflags --libs) -ldl >/dev/null 2>&1
then
echo "TC_CONFIG_XT:=y" >>Config
echo "using xtables"
fi
rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
}
check_xt_old()
{
# bail if previous XT checks has already succeded.
if grep -q TC_CONFIG_XT Config
then
return
fi
#check if we dont need our internal header ..
cat >$TMPDIR/ipttest.c <<EOF
#include <xtables.h>
char *lib_dir;
unsigned int global_option_offset = 0;
const char *program_version = XTABLES_VERSION;
const char *program_name = "tc-ipt";
struct afinfo afinfo = {
.libprefix = "libxt_",
};
void exit_error(enum exittype status, const char *msg, ...)
{
}
int main(int argc, char **argv) {
return 0;
}
EOF
$CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1
if [ $? -eq 0 ]
then
echo "TC_CONFIG_XT_OLD:=y" >>Config
echo "using old xtables (no need for xt-internal.h)"
fi
rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
}
check_xt_old_internal_h()
{
# bail if previous XT checks has already succeded.
if grep -q TC_CONFIG_XT Config
then
return
fi
#check if we need our own internal.h
cat >$TMPDIR/ipttest.c <<EOF
#include <xtables.h>
#include "xt-internal.h"
char *lib_dir;
unsigned int global_option_offset = 0;
const char *program_version = XTABLES_VERSION;
const char *program_name = "tc-ipt";
struct afinfo afinfo = {
.libprefix = "libxt_",
};
void exit_error(enum exittype status, const char *msg, ...)
{
}
int main(int argc, char **argv) {
return 0;
}
EOF
$CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1
if [ $? -eq 0 ]
then
echo "using old xtables with xt-internal.h"
echo "TC_CONFIG_XT_OLD_H:=y" >>Config
fi
rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
}
check_ipt()
{
if ! grep TC_CONFIG_XT Config > /dev/null
then
echo "using iptables"
fi
}
check_ipt_lib_dir()
{
IPT_LIB_DIR=$(${PKG_CONFIG} --variable=xtlibdir xtables)
if [ -n "$IPT_LIB_DIR" ]; then
echo $IPT_LIB_DIR
echo "IPT_LIB_DIR:=$IPT_LIB_DIR" >> Config
return
fi
for dir in /lib /usr/lib /usr/local/lib
do
for file in $dir/{xtables,iptables}/lib*t_*so ; do
if [ -f $file ]; then
echo ${file%/*}
echo "IPT_LIB_DIR:=${file%/*}" >> Config
return
fi
done
done
echo "not found!"
}
check_setns()
{
cat >$TMPDIR/setnstest.c <<EOF
#include <sched.h>
int main(int argc, char **argv)
{
(void)setns(0,0);
return 0;
}
EOF
$CC -I$INCLUDE -o $TMPDIR/setnstest $TMPDIR/setnstest.c >/dev/null 2>&1
if [ $? -eq 0 ]
then
echo "IP_CONFIG_SETNS:=y" >>Config
echo "yes"
else
echo "no"
fi
rm -f $TMPDIR/setnstest.c $TMPDIR/setnstest
}
check_ipset()
{
cat >$TMPDIR/ipsettest.c <<EOF
#include <linux/netfilter/ipset/ip_set.h>
#ifndef IP_SET_INVALID
#define IPSET_DIM_MAX 3
typedef unsigned short ip_set_id_t;
#endif
#include <linux/netfilter/xt_set.h>
struct xt_set_info info;
#if IPSET_PROTOCOL == 6
int main(void)
{
return IPSET_MAXNAMELEN;
}
#else
#error unknown ipset version
#endif
EOF
if $CC -I$INCLUDE -o $TMPDIR/ipsettest $TMPDIR/ipsettest.c >/dev/null 2>&1
then
echo "TC_CONFIG_IPSET:=y" >>Config
echo "yes"
else
echo "no"
fi
rm -f $TMPDIR/ipsettest.c $TMPDIR/ipsettest
}
check_elf()
{
cat >$TMPDIR/elftest.c <<EOF
#include <libelf.h>
#include <gelf.h>
int main(void)
{
Elf_Scn *scn;
GElf_Shdr shdr;
return elf_version(EV_CURRENT);
}
EOF
if $CC -I$INCLUDE -o $TMPDIR/elftest $TMPDIR/elftest.c -lelf >/dev/null 2>&1
then
echo "TC_CONFIG_ELF:=y" >>Config
echo "yes"
else
echo "no"
fi
rm -f $TMPDIR/elftest.c $TMPDIR/elftest
}
check_selinux()
# SELinux is a compile time option in the ss utility
{
if ${PKG_CONFIG} libselinux --exists
then
echo "HAVE_SELINUX:=y" >>Config
echo "yes"
else
echo "no"
fi
}
check_mnl()
{
if ${PKG_CONFIG} libmnl --exists
then
echo "HAVE_MNL:=y" >>Config
echo "yes"
else
echo "no"
fi
}
check_berkeley_db()
{
cat >$TMPDIR/dbtest.c <<EOF
#include <fcntl.h>
#include <stdlib.h>
#include <db_185.h>
int main(int argc, char **argv) {
dbopen("/tmp/xxx_test_db.db", O_CREAT|O_RDWR, 0644, DB_HASH, NULL);
return 0;
}
EOF
$CC -I$INCLUDE -o $TMPDIR/dbtest $TMPDIR/dbtest.c -ldb >/dev/null 2>&1
if [ $? -eq 0 ]
then
echo "HAVE_BERKELEY_DB:=y" >>Config
echo "yes"
else
echo "no"
fi
rm -f $TMPDIR/dbtest.c $TMPDIR/dbtest
}
quiet_config()
{
cat <<EOF
# user can control verbosity similar to kernel builds (e.g., V=1)
ifeq ("\$(origin V)", "command line")
VERBOSE = \$(V)
endif
ifndef VERBOSE
VERBOSE = 0
endif
ifeq (\$(VERBOSE),1)
Q =
else
Q = @
endif
ifeq (\$(VERBOSE), 0)
QUIET_CC = @echo ' CC '\$@;
QUIET_AR = @echo ' AR '\$@;
QUIET_LINK = @echo ' LINK '\$@;
QUIET_YACC = @echo ' YACC '\$@;
QUIET_LEX = @echo ' LEX '\$@;
endif
EOF
}
echo "# Generated config based on" $INCLUDE >Config
quiet_config >> Config
check_toolchain
echo "TC schedulers"
echo -n " ATM "
check_atm
echo -n " IPT "
check_xt
check_xt_old
check_xt_old_internal_h
check_ipt
echo -n " IPSET "
check_ipset
echo
echo -n "iptables modules directory: "
check_ipt_lib_dir
echo -n "libc has setns: "
check_setns
echo -n "SELinux support: "
check_selinux
echo -n "ELF support: "
check_elf
echo -n "libmnl support: "
check_mnl
echo -n "Berkeley DB: "
check_berkeley_db
echo
echo -n "docs:"
check_docs
echo
echo >> Config
echo "%.o: %.c" >> Config
echo ' $(QUIET_CC)$(CC) $(CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $<' >> Config