]>
git.proxmox.com Git - mirror_iproute2.git/blob - configure
2 # SPDX-License-Identifier: GPL-2.0
3 # This is not an autoconf generated configure
5 # Influential LIBBPF environment variables:
6 # LIBBPF_FORCE={on,off} on: require link against libbpf;
7 # off: disable libbpf probing
8 # LIBBPF_DIR Path to libbpf DESTDIR to use
10 INCLUDE
=${1:-"$PWD/include"}
12 # Output file which is input to Makefile
15 # Make a temp directory in build tree.
16 TMPDIR
=$
(mktemp
-d config.XXXXXX
)
17 trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM
21 : ${PKG_CONFIG:=pkg-config}
25 echo "PKG_CONFIG:=${PKG_CONFIG}" >>$CONFIG
26 echo "AR:=${AR}" >>$CONFIG
27 echo "CC:=${CC}" >>$CONFIG
28 echo "YACC:=${YACC}" >>$CONFIG
33 cat >$TMPDIR/atmtest.c
<<EOF
35 int main(int argc, char **argv) {
37 (void) text2qos("aal5,ubr:sdu=9180,rx:none",&qos,0);
42 if $CC -I$INCLUDE -o $TMPDIR/atmtest
$TMPDIR/atmtest.c
-latm >/dev
/null
2>&1; then
43 echo "TC_CONFIG_ATM:=y" >>$CONFIG
48 rm -f $TMPDIR/atmtest.c
$TMPDIR/atmtest
53 if ! ${PKG_CONFIG} xtables
--exists; then
54 echo "TC_CONFIG_NO_XT:=y" >>$CONFIG
60 #check if we have xtables from iptables >= 1.4.5.
61 cat >$TMPDIR/ipttest.c
<<EOF
63 #include <linux/netfilter.h>
64 static struct xtables_globals test_globals = {
66 .program_name = "tc-ipt",
67 .program_version = XTABLES_VERSION,
73 int main(int argc, char **argv)
75 xtables_init_all(&test_globals, NFPROTO_IPV4);
80 if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest
$TMPDIR/ipttest.c
$IPTL \
81 $
(${PKG_CONFIG} xtables
--cflags --libs) -ldl >/dev
/null
2>&1; then
82 echo "TC_CONFIG_XT:=y" >>$CONFIG
85 rm -f $TMPDIR/ipttest.c
$TMPDIR/ipttest
90 # bail if previous XT checks has already succeeded.
91 grep -q TC_CONFIG_XT
$CONFIG && return
93 #check if we don't need our internal header ..
94 cat >$TMPDIR/ipttest.c
<<EOF
97 unsigned int global_option_offset = 0;
98 const char *program_version = XTABLES_VERSION;
99 const char *program_name = "tc-ipt";
100 struct afinfo afinfo = {
101 .libprefix = "libxt_",
104 void exit_error(enum exittype status, const char *msg, ...)
108 int main(int argc, char **argv) {
115 if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest
$TMPDIR/ipttest.c
$IPTL -ldl >/dev
/null
2>&1; then
116 echo "TC_CONFIG_XT_OLD:=y" >>$CONFIG
117 echo "using old xtables (no need for xt-internal.h)"
119 rm -f $TMPDIR/ipttest.c
$TMPDIR/ipttest
122 check_xt_old_internal_h
()
124 # bail if previous XT checks has already succeeded.
125 grep -q TC_CONFIG_XT
$CONFIG && return
127 #check if we need our own internal.h
128 cat >$TMPDIR/ipttest.c
<<EOF
130 #include "xt-internal.h"
132 unsigned int global_option_offset = 0;
133 const char *program_version = XTABLES_VERSION;
134 const char *program_name = "tc-ipt";
135 struct afinfo afinfo = {
136 .libprefix = "libxt_",
139 void exit_error(enum exittype status, const char *msg, ...)
143 int main(int argc, char **argv) {
149 if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest
$TMPDIR/ipttest.c
$IPTL -ldl >/dev
/null
2>&1; then
150 echo "using old xtables with xt-internal.h"
151 echo "TC_CONFIG_XT_OLD_H:=y" >>$CONFIG
153 rm -f $TMPDIR/ipttest.c
$TMPDIR/ipttest
158 if ! grep TC_CONFIG_XT
$CONFIG > /dev
/null
; then
159 echo "using iptables"
165 IPT_LIB_DIR
=$
(${PKG_CONFIG} --variable=xtlibdir xtables
)
166 if [ -n "$IPT_LIB_DIR" ]; then
168 echo "IPT_LIB_DIR:=$IPT_LIB_DIR" >> $CONFIG
172 for dir
in /lib
/usr
/lib
/usr
/local
/lib
; do
173 for file in "xtables" "iptables"; do
174 file="$dir/$file/lib*t_*so"
175 if [ -f $file ]; then
177 echo "IPT_LIB_DIR:=${file%/*}" >> $CONFIG
187 cat >$TMPDIR/setnstest.c
<<EOF
189 int main(int argc, char **argv)
195 if $CC -I$INCLUDE -o $TMPDIR/setnstest
$TMPDIR/setnstest.c
>/dev
/null
2>&1; then
196 echo "IP_CONFIG_SETNS:=y" >>$CONFIG
198 echo "CFLAGS += -DHAVE_SETNS" >>$CONFIG
202 rm -f $TMPDIR/setnstest.c
$TMPDIR/setnstest
207 cat >$TMPDIR/ipsettest.c
<<EOF
208 #include <linux/netfilter/ipset/ip_set.h>
209 #ifndef IP_SET_INVALID
210 #define IPSET_DIM_MAX 3
211 typedef unsigned short ip_set_id_t;
213 #include <linux/netfilter/xt_set.h>
215 struct xt_set_info info;
216 #if IPSET_PROTOCOL == 6 || IPSET_PROTOCOL == 7
219 return IPSET_MAXNAMELEN;
222 #error unknown ipset version
226 if $CC -I$INCLUDE -o $TMPDIR/ipsettest
$TMPDIR/ipsettest.c
>/dev
/null
2>&1; then
227 echo "TC_CONFIG_IPSET:=y" >>$CONFIG
232 rm -f $TMPDIR/ipsettest.c
$TMPDIR/ipsettest
237 if ${PKG_CONFIG} libelf
--exists; then
238 echo "HAVE_ELF:=y" >>$CONFIG
241 echo 'CFLAGS += -DHAVE_ELF' `${PKG_CONFIG} libelf --cflags` >> $CONFIG
242 echo 'LDLIBS += ' `${PKG_CONFIG} libelf --libs` >>$CONFIG
250 cat >$TMPDIR/libbpf_test.c
<<EOF
251 #include <bpf/libbpf.h>
252 int main(int argc, char **argv) {
253 bpf_program__set_autoload(NULL, false);
254 bpf_map__ifindex(NULL);
255 bpf_map__set_pin_path(NULL, NULL);
256 bpf_object__open_file(NULL, NULL);
261 $CC -o $TMPDIR/libbpf_test
$TMPDIR/libbpf_test.c
$LIBBPF_CFLAGS $LIBBPF_LDLIBS >/dev
/null
2>&1
264 rm -f $TMPDIR/libbpf_test.c
$TMPDIR/libbpf_test
268 have_libbpf_sec_name
()
270 cat >$TMPDIR/libbpf_sec_test.c
<<EOF
271 #include <bpf/libbpf.h>
272 int main(int argc, char **argv) {
274 bpf_program__section_name(NULL);
279 $CC -o $TMPDIR/libbpf_sec_test
$TMPDIR/libbpf_sec_test.c
$LIBBPF_CFLAGS $LIBBPF_LDLIBS >/dev
/null
2>&1
282 rm -f $TMPDIR/libbpf_sec_test.c
$TMPDIR/libbpf_sec_test
286 check_force_libbpf_on
()
288 # if set LIBBPF_FORCE=on but no libbpf support, just exist the config
289 # process to make sure we don't build without libbpf.
290 if [ "$LIBBPF_FORCE" = on
]; then
291 echo " LIBBPF_FORCE=on set, but couldn't find a usable libbpf"
298 # if set LIBBPF_FORCE=off, disable libbpf entirely
299 if [ "$LIBBPF_FORCE" = off
]; then
304 if ! ${PKG_CONFIG} libbpf
--exists && [ -z "$LIBBPF_DIR" ] ; then
306 check_force_libbpf_on
310 if [ $
(uname
-m) = x86_64
]; then
311 local LIBBPF_LIBDIR
="${LIBBPF_DIR}/usr/lib64"
313 local LIBBPF_LIBDIR
="${LIBBPF_DIR}/usr/lib"
316 if [ -n "$LIBBPF_DIR" ]; then
317 LIBBPF_CFLAGS
="-I${LIBBPF_DIR}/usr/include"
318 LIBBPF_LDLIBS
="${LIBBPF_LIBDIR}/libbpf.a -lz -lelf"
319 LIBBPF_VERSION
=$
(PKG_CONFIG_LIBDIR
=${LIBBPF_LIBDIR}/pkgconfig
${PKG_CONFIG} libbpf
--modversion)
321 LIBBPF_CFLAGS
=$
(${PKG_CONFIG} libbpf
--cflags)
322 LIBBPF_LDLIBS
=$
(${PKG_CONFIG} libbpf
--libs)
323 LIBBPF_VERSION
=$
(${PKG_CONFIG} libbpf
--modversion)
326 if ! have_libbpf_basic
; then
328 echo " libbpf version $LIBBPF_VERSION is too low, please update it to at least 0.1.0"
329 check_force_libbpf_on
332 echo "HAVE_LIBBPF:=y" >> $CONFIG
333 echo 'CFLAGS += -DHAVE_LIBBPF ' $LIBBPF_CFLAGS >> $CONFIG
334 echo "CFLAGS += -DLIBBPF_VERSION=\\\"$LIBBPF_VERSION\\\"" >> $CONFIG
335 echo 'LDLIBS += ' $LIBBPF_LDLIBS >> $CONFIG
337 if [ -z "$LIBBPF_DIR" ]; then
338 echo "CFLAGS += -DLIBBPF_DYNAMIC" >> $CONFIG
342 # bpf_program__title() is deprecated since libbpf 0.2.0, use
343 # bpf_program__section_name() instead if we support
344 if have_libbpf_sec_name
; then
345 echo "HAVE_LIBBPF_SECTION_NAME:=y" >> $CONFIG
346 echo 'CFLAGS += -DHAVE_LIBBPF_SECTION_NAME ' >> $CONFIG
350 echo " libbpf version $LIBBPF_VERSION"
354 # SELinux is a compile time option in the ss utility
356 if ${PKG_CONFIG} libselinux
--exists; then
357 echo "HAVE_SELINUX:=y" >>$CONFIG
360 echo 'LDLIBS +=' `${PKG_CONFIG} --libs libselinux` >>$CONFIG
361 echo 'CFLAGS += -DHAVE_SELINUX' `${PKG_CONFIG} --cflags libselinux` >>$CONFIG
369 if ${PKG_CONFIG} libmnl
--exists; then
370 echo "HAVE_MNL:=y" >>$CONFIG
373 echo 'CFLAGS += -DHAVE_LIBMNL' `${PKG_CONFIG} libmnl --cflags` >>$CONFIG
374 echo 'LDLIBS +=' `${PKG_CONFIG} libmnl --libs` >> $CONFIG
382 cat >$TMPDIR/dbtest.c
<<EOF
386 int main(int argc, char **argv) {
387 dbopen("/tmp/xxx_test_db.db", O_CREAT|O_RDWR, 0644, DB_HASH, NULL);
391 if $CC -I$INCLUDE -o $TMPDIR/dbtest
$TMPDIR/dbtest.c
-ldb >/dev
/null
2>&1; then
392 echo "HAVE_BERKELEY_DB:=y" >>$CONFIG
397 rm -f $TMPDIR/dbtest.c
$TMPDIR/dbtest
402 cat >$TMPDIR/strtest.c
<<EOF
404 int main(int argc, char **argv) {
406 strlcpy(dst, "test", sizeof(dst));
410 if $CC -I$INCLUDE -o $TMPDIR/strtest
$TMPDIR/strtest.c
>/dev
/null
2>&1; then
413 if ${PKG_CONFIG} libbsd
--exists; then
414 echo 'CFLAGS += -DHAVE_LIBBSD' `${PKG_CONFIG} libbsd --cflags` >>$CONFIG
415 echo 'LDLIBS +=' `${PKG_CONFIG} libbsd --libs` >> $CONFIG
418 echo 'CFLAGS += -DNEED_STRLCPY' >>$CONFIG
422 rm -f $TMPDIR/strtest.c
$TMPDIR/strtest
427 if ${PKG_CONFIG} libcap
--exists; then
428 echo "HAVE_CAP:=y" >>$CONFIG
431 echo 'CFLAGS += -DHAVE_LIBCAP' `${PKG_CONFIG} libcap --cflags` >>$CONFIG
432 echo 'LDLIBS +=' `${PKG_CONFIG} libcap --libs` >> $CONFIG
441 # user can control verbosity similar to kernel builds (e.g., V=1)
442 ifeq ("\$(origin V)", "command line")
454 ifeq (\$(VERBOSE), 0)
455 QUIET_CC = @echo ' CC '\$@;
456 QUIET_AR = @echo ' AR '\$@;
457 QUIET_LINK = @echo ' LINK '\$@;
458 QUIET_YACC = @echo ' YACC '\$@;
459 QUIET_LEX = @echo ' LEX '\$@;
464 echo "# Generated config based on" $INCLUDE >$CONFIG
465 quiet_config
>> $CONFIG
475 if ! grep -q TC_CONFIG_NO_XT
$CONFIG; then
479 check_xt_old_internal_h
487 if ! grep -q TC_CONFIG_NO_XT
$CONFIG; then
488 echo -n "iptables modules directory: "
492 echo -n "libc has setns: "
495 echo -n "SELinux support: "
498 echo -n "libbpf support: "
501 echo -n "ELF support: "
504 echo -n "libmnl support: "
507 echo -n "Berkeley DB: "
510 echo -n "need for strlcpy: "
513 echo -n "libcap support: "
517 echo "%.o: %.c" >> $CONFIG
518 echo ' $(QUIET_CC)$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(CPPFLAGS) -c -o $@ $<' >> $CONFIG