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dnl Type of 6th argument to recvfrom(). Usually int or socklen_t.
AC_DEFUN([RECVFROM_ARG6_TYPE],
[
AC_LANG_PUSH(C++)
AC_MSG_CHECKING([for type of 6th argument to recvfrom()])
recvfrom6_t=
for t in socklen_t int; do
AC_TRY_COMPILE([
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>],[
$t arg;
recvfrom (0, NULL, 0, 0, NULL, &arg);],[
recvfrom6_t="$t"
break])
done
if test "x$recvfrom6_t" = x; then
AC_MSG_WARN([Cannot find type for 6th argument to recvfrom(). Using socklen_t ptr])
recvfrom6_t="socklen_t"
fi
AC_MSG_RESULT($recvfrom6_t)
AC_DEFINE_UNQUOTED(recvfrom6_t, $recvfrom6_t,
[Type of 6th argument to recvfrom()])
AC_LANG_POP(C++)
])
dnl Checks if the pcap version is suitable. The has to be at least version
dnl 0.9.4. Mac OS X 10.6 has a bug in its BIOCSRTIMEOUT ioctl that is worked
dnl around in libpcap 1.1.0 and later; but before that we must use our own copy.
AC_DEFUN([PCAP_IS_SUITABLE],
[
AC_CHECK_HEADERS(sys/ioccom.h sys/time.h net/bpf.h)
AC_MSG_CHECKING(if libpcap is suitable)
AC_TRY_RUN([
#include <stdio.h>
extern char pcap_version[];
int main() {
int major, minor1, minor2;
sscanf(pcap_version,"%d.%d.%d", &major, &minor1, &minor2);
if (major > 0)
return 0;
if (minor1 < 9)
return 1;
if (minor2 < 4)
return 1;
return 0;
}
], [
AC_TRY_RUN([
#include <stdio.h>
#include <sys/types.h>
#ifdef HAVE_SYS_IOCCOM_H
#include <sys/ioccom.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_NET_BPF_H
#include <net/bpf.h>
#endif
extern char pcap_version[];
int main() {
int major, minor;
sscanf(pcap_version,"%d.%d", &major, &minor);
if ((major == 1 && minor >= 1) || major > 1)
return 0;
#ifdef BIOCSRTIMEOUT
#ifdef IOCPARM_LEN
if (IOCPARM_LEN(BIOCSRTIMEOUT) != sizeof(struct timeval))
return 1;
#endif
#endif
return 0;
}
], [
AC_CHECK_DECL([pcap_get_selectable_fd],
[AC_MSG_RESULT(yes); $1],
[AC_MSG_RESULT(no -- pcap_get_selectable_fd not declared); $2],
[[#include <pcap.h>]])
],
[AC_MSG_RESULT(no -- BPF_TIMEOUT BIOCSRTIMEOUT bug (64-bit OS X)); $2])
],
[AC_MSG_RESULT(no); $2],
[AC_MSG_RESULT(cross-compiling -- assuming yes); $3])
])
dnl Checks if IPPROTO_RAW induces IP_HDRINCL-like behavior in AF_INET6 sockets.
dnl Defines HAVE_IPV6_IPPROTO_RAW if so. So far I only know this happens on
dnl Linux.
AC_DEFUN([CHECK_IPV6_IPPROTO_RAW],
[
AC_MSG_CHECKING(if AF_INET6 IPPROTO_RAW sockets include the packet header)
# This should be replaced with a better test, if possible.
case "$host" in
*-linux*)
AC_DEFINE(HAVE_IPV6_IPPROTO_RAW)
AC_MSG_RESULT(yes)
;;
*)
AC_MSG_RESULT(no)
;;
esac
])
dnl -------------------------------------------------------- -*- autoconf -*-
dnl Licensed to the Apache Software Foundation (ASF) under one or more
dnl contributor license agreements. See the NOTICE file distributed with
dnl this work for additional information regarding copyright ownership.
dnl The ASF licenses this file to You under the Apache License, Version 2.0
dnl (the "License"); you may not use this file except in compliance with
dnl the License. You may obtain a copy of the License at
dnl
dnl http://www.apache.org/licenses/LICENSE-2.0
dnl
dnl Unless required by applicable law or agreed to in writing, software
dnl distributed under the License is distributed on an "AS IS" BASIS,
dnl WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
dnl See the License for the specific language governing permissions and
dnl limitations under the License.
dnl
dnl find_apr.m4 : locate the APR include files and libraries
dnl
dnl This macro file can be used by applications to find and use the APR
dnl library. It provides a standardized mechanism for using APR. It supports
dnl embedding APR into the application source, or locating an installed
dnl copy of APR.
dnl
dnl APR_FIND_APR(srcdir, builddir, implicit-install-check, acceptable-majors,
dnl detailed-check)
dnl
dnl where srcdir is the location of the bundled APR source directory, or
dnl empty if source is not bundled.
dnl
dnl where builddir is the location where the bundled APR will will be built,
dnl or empty if the build will occur in the srcdir.
dnl
dnl where implicit-install-check set to 1 indicates if there is no
dnl --with-apr option specified, we will look for installed copies.
dnl
dnl where acceptable-majors is a space separated list of acceptable major
dnl version numbers. Often only a single major version will be acceptable.
dnl If multiple versions are specified, and --with-apr=PREFIX or the
dnl implicit installed search are used, then the first (leftmost) version
dnl in the list that is found will be used. Currently defaults to [0 1].
dnl
dnl where detailed-check is an M4 macro which sets the apr_acceptable to
dnl either "yes" or "no". The macro will be invoked for each installed
dnl copy of APR found, with the apr_config variable set appropriately.
dnl Only installed copies of APR which are considered acceptable by
dnl this macro will be considered found. If no installed copies are
dnl considered acceptable by this macro, apr_found will be set to either
dnl either "no" or "reconfig".
dnl
dnl Sets the following variables on exit:
dnl
dnl apr_found : "yes", "no", "reconfig"
dnl
dnl apr_config : If the apr-config tool exists, this refers to it. If
dnl apr_found is "reconfig", then the bundled directory
dnl should be reconfigured *before* using apr_config.
dnl
dnl Note: this macro file assumes that apr-config has been installed; it
dnl is normally considered a required part of an APR installation.
dnl
dnl If a bundled source directory is available and needs to be (re)configured,
dnl then apr_found is set to "reconfig". The caller should reconfigure the
dnl (passed-in) source directory, placing the result in the build directory,
dnl as appropriate.
dnl
dnl If apr_found is "yes" or "reconfig", then the caller should use the
dnl value of apr_config to fetch any necessary build/link information.
dnl
AC_DEFUN([APR_FIND_APR], [
apr_found="no"
if test "$target_os" = "os2-emx"; then
# Scripts don't pass test -x on OS/2
TEST_X="test -f"
else
TEST_X="test -x"
fi
ifelse([$4], [], [
ifdef(AC_WARNING,AC_WARNING([$0: missing argument 4 (acceptable-majors): Defaulting to APR 0.x then APR 1.x]))
acceptable_majors="0 1"],
[acceptable_majors="$4"])
apr_temp_acceptable_apr_config=""
for apr_temp_major in $acceptable_majors
do
case $apr_temp_major in
0)
apr_temp_acceptable_apr_config="$apr_temp_acceptable_apr_config apr-config"
;;
*)
apr_temp_acceptable_apr_config="$apr_temp_acceptable_apr_config apr-$apr_temp_major-config"
;;
esac
done
AC_MSG_CHECKING(for APR)
AC_ARG_WITH(apr,
[ --with-apr=PATH prefix for installed APR or the full path to
apr-config],
[
if test "$withval" = "no" || test "$withval" = "yes"; then
AC_MSG_ERROR([--with-apr requires a directory or file to be provided])
fi
for apr_temp_apr_config_file in $apr_temp_acceptable_apr_config
do
for lookdir in "$withval/bin" "$withval"
do
if $TEST_X "$lookdir/$apr_temp_apr_config_file"; then
apr_config="$lookdir/$apr_temp_apr_config_file"
ifelse([$5], [], [], [
apr_acceptable="yes"
$5
if test "$apr_acceptable" != "yes"; then
AC_MSG_WARN([Found APR in $apr_config, but we think it is considered unacceptable])
continue
fi])
apr_found="yes"
break 2
fi
done
done
if test "$apr_found" != "yes" && $TEST_X "$withval" && $withval --help > /dev/null 2>&1 ; then
apr_config="$withval"
ifelse([$5], [], [apr_found="yes"], [
apr_acceptable="yes"
$5
if test "$apr_acceptable" = "yes"; then
apr_found="yes"
fi])
fi
dnl if --with-apr is used, it is a fatal error for its argument
dnl to be invalid
if test "$apr_found" != "yes"; then
AC_MSG_ERROR([the --with-apr parameter is incorrect. It must specify an install prefix, a build directory, or an apr-config file.])
fi
],[
dnl If we allow installed copies, check those before using bundled copy.
if test -n "$3" && test "$3" = "1"; then
for apr_temp_apr_config_file in $apr_temp_acceptable_apr_config
do
if $apr_temp_apr_config_file --help > /dev/null 2>&1 ; then
apr_config="$apr_temp_apr_config_file"
ifelse([$5], [], [], [
apr_acceptable="yes"
$5
if test "$apr_acceptable" != "yes"; then
AC_MSG_WARN([skipped APR at $apr_config, version not acceptable])
continue
fi])
apr_found="yes"
break
else
dnl look in some standard places
for lookdir in /usr /usr/local /usr/local/apr /opt/apr; do
if $TEST_X "$lookdir/bin/$apr_temp_apr_config_file"; then
apr_config="$lookdir/bin/$apr_temp_apr_config_file"
ifelse([$5], [], [], [
apr_acceptable="yes"
$5
if test "$apr_acceptable" != "yes"; then
AC_MSG_WARN([skipped APR at $apr_config, version not acceptable])
continue
fi])
apr_found="yes"
break 2
fi
done
fi
done
fi
dnl if we have not found anything yet and have bundled source, use that
if test "$apr_found" = "no" && test -d "$1"; then
apr_temp_abs_srcdir="`cd \"$1\" && pwd`"
apr_found="reconfig"
apr_bundled_major="`sed -n '/#define.*APR_MAJOR_VERSION/s/^[^0-9]*\([0-9]*\).*$/\1/p' \"$1/include/apr_version.h\"`"
case $apr_bundled_major in
"")
AC_MSG_ERROR([failed to find major version of bundled APR])
;;
0)
apr_temp_apr_config_file="apr-config"
;;
*)
apr_temp_apr_config_file="apr-$apr_bundled_major-config"
;;
esac
if test -n "$2"; then
apr_config="$2/$apr_temp_apr_config_file"
else
apr_config="$1/$apr_temp_apr_config_file"
fi
fi
])
AC_MSG_RESULT($apr_found)
])
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