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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 14:18:53 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 14:18:53 +0000
commita0e0018c9a7ef5ce7f6d2c3ae16aecbbd16a8f67 (patch)
tree8feaf1a1932871b139b3b30be4c09c66489918be /configure
parentInitial commit. (diff)
downloadiproute2-upstream.tar.xz
iproute2-upstream.zip
Adding upstream version 6.1.0.upstream/6.1.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'configure')
-rwxr-xr-xconfigure640
1 files changed, 640 insertions, 0 deletions
diff --git a/configure b/configure
new file mode 100755
index 0000000..c02753b
--- /dev/null
+++ b/configure
@@ -0,0 +1,640 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# This is not an autoconf generated configure
+
+INCLUDE="$PWD/include"
+PREFIX="/usr"
+LIBDIR="\${prefix}/lib"
+
+# Output file which is input to Makefile
+CONFIG=config.mk
+
+# Make a temp directory in build tree.
+TMPDIR=$(mktemp -d config.XXXXXX)
+trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM
+
+check_toolchain()
+{
+ : ${PKG_CONFIG:=pkg-config}
+ : ${AR=ar}
+ : ${CC=gcc}
+ : ${YACC=bison}
+ echo "PKG_CONFIG:=${PKG_CONFIG}" >>$CONFIG
+ echo "AR:=${AR}" >>$CONFIG
+ echo "CC:=${CC}" >>$CONFIG
+ echo "YACC:=${YACC}" >>$CONFIG
+}
+
+check_atm()
+{
+ cat >$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
+
+ if $CC -I$INCLUDE -o $TMPDIR/atmtest $TMPDIR/atmtest.c -latm >/dev/null 2>&1; then
+ echo "TC_CONFIG_ATM:=y" >>$CONFIG
+ echo yes
+ else
+ echo no
+ fi
+ rm -f $TMPDIR/atmtest.c $TMPDIR/atmtest
+}
+
+check_xtables()
+{
+ if ! ${PKG_CONFIG} xtables --exists; then
+ echo "TC_CONFIG_NO_XT:=y" >>$CONFIG
+ fi
+}
+
+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 succeeded.
+ grep -q TC_CONFIG_XT $CONFIG && return
+
+ #check if we don't need our internal header ..
+ cat >$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
+
+ if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1; then
+ echo "TC_CONFIG_XT_OLD:=y" >>$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 succeeded.
+ grep -q TC_CONFIG_XT $CONFIG && return
+
+ #check if we need our own internal.h
+ cat >$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
+ if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1; then
+ echo "using old xtables with xt-internal.h"
+ echo "TC_CONFIG_XT_OLD_H:=y" >>$CONFIG
+ fi
+ rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
+}
+
+check_lib_dir()
+{
+ LIBDIR=$(echo $LIBDIR | sed "s|\${prefix}|$PREFIX|")
+
+ echo -n "lib directory: "
+ echo "$LIBDIR"
+ echo "LIBDIR:=$LIBDIR" >> $CONFIG
+}
+
+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" >> $CONFIG
+ return
+ fi
+
+ for dir in /lib /usr/lib /usr/local/lib; do
+ for file in "xtables" "iptables"; do
+ file="$dir/$file/lib*t_*so"
+ 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
+#define _GNU_SOURCE
+#include <sched.h>
+int main(int argc, char **argv)
+{
+ (void)setns(0,0);
+ return 0;
+}
+EOF
+ if $CC -I$INCLUDE -o $TMPDIR/setnstest $TMPDIR/setnstest.c >/dev/null 2>&1; then
+ echo "IP_CONFIG_SETNS:=y" >>$CONFIG
+ echo "yes"
+ echo "CFLAGS += -DHAVE_SETNS" >>$CONFIG
+ else
+ echo "no"
+ fi
+ rm -f $TMPDIR/setnstest.c $TMPDIR/setnstest
+}
+
+check_name_to_handle_at()
+{
+ cat >$TMPDIR/name_to_handle_at_test.c <<EOF
+#define _GNU_SOURCE
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+int main(int argc, char **argv)
+{
+ struct file_handle *fhp;
+ int mount_id, flags, dirfd;
+ char *pathname;
+ name_to_handle_at(dirfd, pathname, fhp, &mount_id, flags);
+ return 0;
+}
+EOF
+ if $CC -I$INCLUDE -o $TMPDIR/name_to_handle_at_test $TMPDIR/name_to_handle_at_test.c >/dev/null 2>&1; then
+ echo "yes"
+ echo "CFLAGS += -DHAVE_HANDLE_AT" >>$CONFIG
+ else
+ echo "no"
+ fi
+ rm -f $TMPDIR/name_to_handle_at_test.c $TMPDIR/name_to_handle_at_test
+}
+
+check_ipset()
+{
+ cat >$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 || IPSET_PROTOCOL == 7
+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()
+{
+ if ${PKG_CONFIG} libelf --exists; then
+ echo "HAVE_ELF:=y" >>$CONFIG
+ echo "yes"
+
+ echo 'CFLAGS += -DHAVE_ELF' `${PKG_CONFIG} libelf --cflags` >> $CONFIG
+ echo 'LDLIBS += ' `${PKG_CONFIG} libelf --libs` >>$CONFIG
+ else
+ echo "no"
+ fi
+}
+
+have_libbpf_basic()
+{
+ cat >$TMPDIR/libbpf_test.c <<EOF
+#include <bpf/libbpf.h>
+int main(int argc, char **argv) {
+ bpf_program__set_autoload(NULL, false);
+ bpf_map__ifindex(NULL);
+ bpf_map__set_pin_path(NULL, NULL);
+ bpf_object__open_file(NULL, NULL);
+ return 0;
+}
+EOF
+
+ $CC -o $TMPDIR/libbpf_test $TMPDIR/libbpf_test.c $LIBBPF_CFLAGS $LIBBPF_LDLIBS >/dev/null 2>&1
+ local ret=$?
+
+ rm -f $TMPDIR/libbpf_test.c $TMPDIR/libbpf_test
+ return $ret
+}
+
+have_libbpf_sec_name()
+{
+ cat >$TMPDIR/libbpf_sec_test.c <<EOF
+#include <bpf/libbpf.h>
+int main(int argc, char **argv) {
+ void *ptr;
+ bpf_program__section_name(NULL);
+ return 0;
+}
+EOF
+
+ $CC -o $TMPDIR/libbpf_sec_test $TMPDIR/libbpf_sec_test.c $LIBBPF_CFLAGS $LIBBPF_LDLIBS >/dev/null 2>&1
+ local ret=$?
+
+ rm -f $TMPDIR/libbpf_sec_test.c $TMPDIR/libbpf_sec_test
+ return $ret
+}
+
+check_force_libbpf_on()
+{
+ # if set LIBBPF_FORCE=on but no libbpf support, just exist the config
+ # process to make sure we don't build without libbpf.
+ if [ "$LIBBPF_FORCE" = on ]; then
+ echo " LIBBPF_FORCE=on set, but couldn't find a usable libbpf"
+ exit 1
+ fi
+}
+
+check_libbpf()
+{
+ # if set LIBBPF_FORCE=off, disable libbpf entirely
+ if [ "$LIBBPF_FORCE" = off ]; then
+ echo "no"
+ return
+ fi
+
+ if ! ${PKG_CONFIG} libbpf --exists && [ -z "$LIBBPF_DIR" ] ; then
+ echo "no"
+ check_force_libbpf_on
+ return
+ fi
+
+ if [ $(uname -m) = x86_64 ]; then
+ local LIBBPF_LIBDIR="${LIBBPF_DIR}/usr/lib64"
+ else
+ local LIBBPF_LIBDIR="${LIBBPF_DIR}/usr/lib"
+ fi
+
+ if [ -n "$LIBBPF_DIR" ]; then
+ LIBBPF_CFLAGS="-I${LIBBPF_DIR}/usr/include"
+ LIBBPF_LDLIBS="${LIBBPF_LIBDIR}/libbpf.a -lz -lelf"
+ LIBBPF_VERSION=$(PKG_CONFIG_LIBDIR=${LIBBPF_LIBDIR}/pkgconfig ${PKG_CONFIG} libbpf --modversion)
+ else
+ LIBBPF_CFLAGS=$(${PKG_CONFIG} libbpf --cflags)
+ LIBBPF_LDLIBS=$(${PKG_CONFIG} libbpf --libs)
+ LIBBPF_VERSION=$(${PKG_CONFIG} libbpf --modversion)
+ fi
+
+ if ! have_libbpf_basic; then
+ echo "no"
+ echo " libbpf version $LIBBPF_VERSION is too low, please update it to at least 0.1.0"
+ check_force_libbpf_on
+ return
+ else
+ echo "HAVE_LIBBPF:=y" >> $CONFIG
+ echo 'CFLAGS += -DHAVE_LIBBPF ' $LIBBPF_CFLAGS >> $CONFIG
+ echo "CFLAGS += -DLIBBPF_VERSION=\\\"$LIBBPF_VERSION\\\"" >> $CONFIG
+ echo 'LDLIBS += ' $LIBBPF_LDLIBS >> $CONFIG
+
+ if [ -z "$LIBBPF_DIR" ]; then
+ echo "CFLAGS += -DLIBBPF_DYNAMIC" >> $CONFIG
+ fi
+ fi
+
+ # bpf_program__title() is deprecated since libbpf 0.2.0, use
+ # bpf_program__section_name() instead if we support
+ if have_libbpf_sec_name; then
+ echo "HAVE_LIBBPF_SECTION_NAME:=y" >> $CONFIG
+ echo 'CFLAGS += -DHAVE_LIBBPF_SECTION_NAME ' >> $CONFIG
+ fi
+
+ echo "yes"
+ echo " libbpf version $LIBBPF_VERSION"
+}
+
+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"
+
+ echo 'LDLIBS +=' `${PKG_CONFIG} --libs libselinux` >>$CONFIG
+ echo 'CFLAGS += -DHAVE_SELINUX' `${PKG_CONFIG} --cflags libselinux` >>$CONFIG
+ else
+ echo "no"
+ fi
+}
+
+check_tirpc()
+{
+ if ${PKG_CONFIG} libtirpc --exists; then
+ echo "HAVE_RPC:=y" >>$CONFIG
+ echo "yes"
+
+ echo 'LDLIBS +=' `${PKG_CONFIG} --libs libtirpc` >>$CONFIG
+ echo 'CFLAGS += -DHAVE_RPC' `${PKG_CONFIG} --cflags libtirpc` >>$CONFIG
+ else
+ echo "no"
+ fi
+}
+
+check_mnl()
+{
+ if ${PKG_CONFIG} libmnl --exists; then
+ echo "HAVE_MNL:=y" >>$CONFIG
+ echo "yes"
+
+ echo 'CFLAGS += -DHAVE_LIBMNL' `${PKG_CONFIG} libmnl --cflags` >>$CONFIG
+ echo 'LDLIBS +=' `${PKG_CONFIG} libmnl --libs` >> $CONFIG
+ else
+ echo "no"
+ fi
+}
+
+check_berkeley_db()
+{
+ cat >$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
+ if $CC -I$INCLUDE -o $TMPDIR/dbtest $TMPDIR/dbtest.c -ldb >/dev/null 2>&1; then
+ echo "HAVE_BERKELEY_DB:=y" >>$CONFIG
+ echo "yes"
+ else
+ echo "no"
+ fi
+ rm -f $TMPDIR/dbtest.c $TMPDIR/dbtest
+}
+
+check_strlcpy()
+{
+ cat >$TMPDIR/strtest.c <<EOF
+#include <string.h>
+int main(int argc, char **argv) {
+ char dst[10];
+ strlcpy(dst, "test", sizeof(dst));
+ return 0;
+}
+EOF
+ if $CC -I$INCLUDE -o $TMPDIR/strtest $TMPDIR/strtest.c >/dev/null 2>&1; then
+ echo "no"
+ else
+ if ${PKG_CONFIG} libbsd --exists; then
+ echo 'CFLAGS += -DHAVE_LIBBSD' `${PKG_CONFIG} libbsd --cflags` >>$CONFIG
+ echo 'LDLIBS +=' `${PKG_CONFIG} libbsd --libs` >> $CONFIG
+ echo "no"
+ else
+ echo 'CFLAGS += -DNEED_STRLCPY' >>$CONFIG
+ echo "yes"
+ fi
+ fi
+ rm -f $TMPDIR/strtest.c $TMPDIR/strtest
+}
+
+check_cap()
+{
+ if ${PKG_CONFIG} libcap --exists; then
+ echo "HAVE_CAP:=y" >>$CONFIG
+ echo "yes"
+
+ echo 'CFLAGS += -DHAVE_LIBCAP' `${PKG_CONFIG} libcap --cflags` >>$CONFIG
+ echo 'LDLIBS +=' `${PKG_CONFIG} libcap --libs` >> $CONFIG
+ else
+ echo "no"
+ fi
+}
+
+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
+}
+
+usage()
+{
+ cat <<EOF
+Usage: $0 [OPTIONS]
+ --include_dir <dir> Path to iproute2 include dir
+ --libdir <dir> Path to iproute2 lib dir
+ --libbpf_dir <dir> Path to libbpf DESTDIR
+ --libbpf_force <on|off> Enable/disable libbpf by force. Available options:
+ on: require link against libbpf, quit config if no libbpf support
+ off: disable libbpf probing
+ --prefix <dir> Path prefix of the lib files to install
+ -h | --help Show this usage info
+EOF
+ exit $1
+}
+
+# Compat with the old INCLUDE path setting method.
+if [ $# -eq 1 ] && [ "$(echo $1 | cut -c 1)" != '-' ]; then
+ INCLUDE="$1"
+else
+ while [ "$#" -gt 0 ]; do
+ case "$1" in
+ --include_dir)
+ shift
+ INCLUDE="$1" ;;
+ --include_dir=*)
+ INCLUDE="${1#*=}" ;;
+ --libdir)
+ shift
+ LIBDIR="$1" ;;
+ --libdir=*)
+ LIBDIR="${1#*=}" ;;
+ --libbpf_dir)
+ shift
+ LIBBPF_DIR="$1" ;;
+ --libbpf_dir=*)
+ LIBBPF_DIR="${1#*=}" ;;
+ --libbpf_force)
+ shift
+ LIBBPF_FORCE="$1" ;;
+ --libbpf_force=*)
+ LIBBPF_FORCE="${1#*=}" ;;
+ --prefix)
+ shift
+ PREFIX="$1" ;;
+ --prefix=*)
+ PREFIX="${1#*=}" ;;
+ -h | --help)
+ usage 0 ;;
+ --*)
+ ;;
+ *)
+ usage 1 ;;
+ esac
+ [ "$#" -gt 0 ] && shift
+ done
+fi
+
+[ -d "$INCLUDE" ] || usage 1
+if [ "${LIBBPF_DIR-unused}" != "unused" ]; then
+ [ -d "$LIBBPF_DIR" ] || usage 1
+fi
+if [ "${LIBBPF_FORCE-unused}" != "unused" ]; then
+ if [ "$LIBBPF_FORCE" != 'on' ] && [ "$LIBBPF_FORCE" != 'off' ]; then
+ usage 1
+ fi
+fi
+[ -z "$PREFIX" ] && usage 1
+[ -z "$LIBDIR" ] && usage 1
+
+echo "# Generated config based on" $INCLUDE >$CONFIG
+quiet_config >> $CONFIG
+
+check_toolchain
+
+echo "TC schedulers"
+
+echo -n " ATM "
+check_atm
+
+check_xtables
+if ! grep -q TC_CONFIG_NO_XT $CONFIG; then
+ echo -n " IPT "
+ check_xt
+ check_xt_old
+ check_xt_old_internal_h
+ check_ipt
+
+ echo -n " IPSET "
+ check_ipset
+fi
+
+echo
+check_lib_dir
+if ! grep -q TC_CONFIG_NO_XT $CONFIG; then
+ echo -n "iptables modules directory: "
+ check_ipt_lib_dir
+fi
+
+echo -n "libc has setns: "
+check_setns
+
+echo -n "libc has name_to_handle_at: "
+check_name_to_handle_at
+
+echo -n "SELinux support: "
+check_selinux
+
+echo -n "libtirpc support: "
+check_tirpc
+
+echo -n "libbpf support: "
+check_libbpf
+
+echo -n "ELF support: "
+check_elf
+
+echo -n "libmnl support: "
+check_mnl
+
+echo -n "Berkeley DB: "
+check_berkeley_db
+
+echo -n "need for strlcpy: "
+check_strlcpy
+
+echo -n "libcap support: "
+check_cap
+
+echo >> $CONFIG
+echo "%.o: %.c" >> $CONFIG
+echo ' $(QUIET_CC)$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(CPPFLAGS) -c -o $@ $<' >> $CONFIG