forked from osmocom/wireshark
1058 lines
30 KiB
Text
1058 lines
30 KiB
Text
dnl Macros that test for specific features.
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dnl This file is part of the Autoconf packaging for Ethereal.
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dnl Copyright (C) 1998-2000 by Gerald Combs.
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dnl
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dnl $Id$
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dnl
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dnl This program is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 2, or (at your option)
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dnl any later version.
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dnl
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dnl This program is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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dnl GNU General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU General Public License
|
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dnl along with this program; if not, write to the Free Software
|
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dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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dnl 02111-1307, USA.
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dnl
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dnl As a special exception, the Free Software Foundation gives unlimited
|
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dnl permission to copy, distribute and modify the configure scripts that
|
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dnl are the output of Autoconf. You need not follow the terms of the GNU
|
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dnl General Public License when using or distributing such scripts, even
|
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dnl though portions of the text of Autoconf appear in them. The GNU
|
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dnl General Public License (GPL) does govern all other use of the material
|
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dnl that constitutes the Autoconf program.
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dnl
|
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dnl Certain portions of the Autoconf source text are designed to be copied
|
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dnl (in certain cases, depending on the input) into the output of
|
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dnl Autoconf. We call these the "data" portions. The rest of the Autoconf
|
|
dnl source text consists of comments plus executable code that decides which
|
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dnl of the data portions to output in any given case. We call these
|
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dnl comments and executable code the "non-data" portions. Autoconf never
|
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dnl copies any of the non-data portions into its output.
|
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dnl
|
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dnl This special exception to the GPL applies to versions of Autoconf
|
|
dnl released by the Free Software Foundation. When you make and
|
|
dnl distribute a modified version of Autoconf, you may extend this special
|
|
dnl exception to the GPL to apply to your modified version as well, *unless*
|
|
dnl your modified version has the potential to copy into its output some
|
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dnl of the text that was the non-data portion of the version that you started
|
|
dnl with. (In other words, unless your change moves or copies text from
|
|
dnl the non-data portions to the data portions.) If your modification has
|
|
dnl such potential, you must delete any notice of this special exception
|
|
dnl to the GPL from your modified version.
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|
dnl
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dnl Written by David MacKenzie, with help from
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dnl Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
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dnl Roland McGrath, Noah Friedman, david d zuhn, and many others.
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|
|
#
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|
# AC_ETHEREAL_ADD_DASH_L
|
|
#
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# Add to the variable specified as the first argument a "-L" flag for the
|
|
# directory specified as the second argument, and, on Solaris, add a
|
|
# "-R" flag for it as well.
|
|
#
|
|
# XXX - IRIX, and other OSes, may require some flag equivalent to
|
|
# "-R" here.
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|
#
|
|
AC_DEFUN([AC_ETHEREAL_ADD_DASH_L],
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[$1="$$1 -L$2"
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|
case "$host_os" in
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|
solaris*)
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|
$1="$$1 -R$2"
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|
;;
|
|
esac
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|
])
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|
|
|
|
|
#
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# AC_ETHEREAL_STRUCT_SA_LEN
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#
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dnl AC_STRUCT_ST_BLKSIZE extracted from the file in question,
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dnl "acspecific.m4" in GNU Autoconf 2.12, and turned into
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dnl AC_ETHEREAL_STRUCT_SA_LEN, which checks if "struct sockaddr"
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dnl has the 4.4BSD "sa_len" member, and defines HAVE_SA_LEN; that's
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dnl what's in this file.
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dnl Done by Guy Harris <guy@alum.mit.edu> on 1998-11-14.
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|
|
dnl ### Checks for structure members
|
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|
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AC_DEFUN([AC_ETHEREAL_STRUCT_SA_LEN],
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[AC_CACHE_CHECK([for sa_len in struct sockaddr], ac_cv_ethereal_struct_sa_len,
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|
[AC_TRY_COMPILE([#include <sys/types.h>
|
|
#include <sys/socket.h>], [struct sockaddr s; s.sa_len;],
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|
ac_cv_ethereal_struct_sa_len=yes, ac_cv_ethereal_struct_sa_len=no)])
|
|
if test $ac_cv_ethereal_struct_sa_len = yes; then
|
|
AC_DEFINE(HAVE_SA_LEN, 1, [Define if sa_len field exists in struct sockaddr])
|
|
fi
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|
])
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|
|
|
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dnl
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dnl Check whether a given format can be used to print 64-bit integers
|
|
dnl
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AC_DEFUN([AC_ETHEREAL_CHECK_64BIT_FORMAT],
|
|
[
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AC_MSG_CHECKING([whether %$1x can be used to format 64-bit integers])
|
|
AC_RUN_IFELSE(
|
|
[
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AC_LANG_SOURCE(
|
|
[[
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|
# ifdef HAVE_INTTYPES_H
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#include <inttypes.h>
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|
# endif
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|
#include <stdio.h>
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#include <sys/types.h>
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|
|
main()
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{
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u_int64_t t = 1;
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char strbuf[16+1];
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sprintf(strbuf, "%016$1x", t << 32);
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|
if (strcmp(strbuf, "0000000100000000") == 0)
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|
exit(0);
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|
else
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|
exit(1);
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|
}
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|
]])
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],
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[
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AC_DEFINE(PRId64, "$1d", [Format for printing 64-bit signed decimal numbers])
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AC_DEFINE(PRIo64, "$1o", [Format for printing 64-bit unsigned octal numbers])
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AC_DEFINE(PRIx64, "$1x", [Format for printing 64-bit unsigned hexadecimal numbers])
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AC_DEFINE(PRIu64, "$1u", [Format for printing 64-bit unsigned decimal numbers])
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AC_MSG_RESULT(yes)
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|
],
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[
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AC_MSG_RESULT(no)
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$2
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])
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])
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#
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# AC_ETHEREAL_IPV6_STACK
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#
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# By Jun-ichiro "itojun" Hagino, <itojun@iijlab.net>
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#
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AC_DEFUN([AC_ETHEREAL_IPV6_STACK],
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[
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v6type=unknown
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v6lib=none
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AC_MSG_CHECKING([ipv6 stack type])
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for i in v6d toshiba kame inria zeta linux linux-glibc solaris8; do
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case $i in
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v6d)
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AC_EGREP_CPP(yes, [
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#include </usr/local/v6/include/sys/types.h>
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#ifdef __V6D__
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yes
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#endif],
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[v6type=$i; v6lib=v6;
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v6libdir=/usr/local/v6/lib;
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CFLAGS="-I/usr/local/v6/include $CFLAGS"])
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;;
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toshiba)
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AC_EGREP_CPP(yes, [
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#include <sys/param.h>
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#ifdef _TOSHIBA_INET6
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yes
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#endif],
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[v6type=$i; v6lib=inet6;
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v6libdir=/usr/local/v6/lib;
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CFLAGS="-DINET6 $CFLAGS"])
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;;
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kame)
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AC_EGREP_CPP(yes, [
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#include <netinet/in.h>
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#ifdef __KAME__
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yes
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#endif],
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[v6type=$i; v6lib=inet6;
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v6libdir=/usr/local/v6/lib;
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CFLAGS="-DINET6 $CFLAGS"])
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;;
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inria)
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AC_EGREP_CPP(yes, [
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#include <netinet/in.h>
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#ifdef IPV6_INRIA_VERSION
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yes
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#endif],
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[v6type=$i; CFLAGS="-DINET6 $CFLAGS"])
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|
;;
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zeta)
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AC_EGREP_CPP(yes, [
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#include <sys/param.h>
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#ifdef _ZETA_MINAMI_INET6
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yes
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#endif],
|
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[v6type=$i; v6lib=inet6;
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v6libdir=/usr/local/v6/lib;
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CFLAGS="-DINET6 $CFLAGS"])
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|
;;
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linux)
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|
if test -d /usr/inet6; then
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v6type=$i
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v6lib=inet6
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v6libdir=/usr/inet6
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CFLAGS="-DINET6 $CFLAGS"
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fi
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;;
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linux-glibc)
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AC_EGREP_CPP(yes, [
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#include <features.h>
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#if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
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#if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || __GLIBC__ > 2
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yes
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#endif
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#endif],
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[v6type=$i; v6lib=inet6; CFLAGS="-DINET6 $CFLAGS"])
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;;
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solaris8)
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if test "`uname -s`" = "SunOS" && test "`uname -r`" = "5.8"; then
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v6type=$i
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v6lib=inet6
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[CFLAGS="-DINET6 -DSOLARIS8_INET6 $CFLAGS"]
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|
fi
|
|
;;
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esac
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if test "$v6type" != "unknown"; then
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break
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fi
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done
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|
if test "$v6lib" != "none"; then
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for dir in $v6libdir /usr/local/v6/lib /usr/local/lib; do
|
|
if test -d $dir -a -f $dir/lib$v6lib.a; then
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LIBS="-L$dir $LIBS -l$v6lib"
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|
break
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|
fi
|
|
done
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|
enable_ipv6="yes"
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|
else
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enable_ipv6="no"
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|
fi
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AC_MSG_RESULT(["$v6type, $v6lib"])
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|
])
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|
#
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|
# AC_ETHEREAL_GETHOSTBY_LIB_CHECK
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|
#
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|
# Checks whether we need "-lnsl" to get "gethostby*()", which we use
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|
# in "resolv.c".
|
|
#
|
|
# Adapted from stuff in the AC_PATH_XTRA macro in "acspecific.m4" in
|
|
# GNU Autoconf 2.13; the comment came from there.
|
|
# Done by Guy Harris <guy@alum.mit.edu> on 2000-01-14.
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_GETHOSTBY_LIB_CHECK],
|
|
[
|
|
# msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT,
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|
# to get the SysV transport functions.
|
|
# chad@anasazi.com says the Pyramid MIS-ES running DC/OSx (SVR4)
|
|
# needs -lnsl.
|
|
# The nsl library prevents programs from opening the X display
|
|
# on Irix 5.2, according to dickey@clark.net.
|
|
AC_CHECK_FUNC(gethostbyname, ,
|
|
AC_CHECK_LIB(nsl, gethostbyname, NSL_LIBS="-lnsl"))
|
|
AC_SUBST(NSL_LIBS)
|
|
])
|
|
|
|
#
|
|
# AC_ETHEREAL_SOCKET_LIB_CHECK
|
|
#
|
|
# Checks whether we need "-lsocket" to get "socket()", which is used
|
|
# by libpcap on some platforms - and, in effect, "gethostby*()" on
|
|
# most if not all platforms (so that it can use NIS or DNS or...
|
|
# to look up host names).
|
|
#
|
|
# Adapted from stuff in the AC_PATH_XTRA macro in "acspecific.m4" in
|
|
# GNU Autoconf 2.13; the comment came from there.
|
|
# Done by Guy Harris <guy@alum.mit.edu> on 2000-01-14.
|
|
#
|
|
# We use "connect" because that's what AC_PATH_XTRA did.
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_SOCKET_LIB_CHECK],
|
|
[
|
|
# lieder@skyler.mavd.honeywell.com says without -lsocket,
|
|
# socket/setsockopt and other routines are undefined under SCO ODT
|
|
# 2.0. But -lsocket is broken on IRIX 5.2 (and is not necessary
|
|
# on later versions), says simon@lia.di.epfl.ch: it contains
|
|
# gethostby* variants that don't use the nameserver (or something).
|
|
# -lsocket must be given before -lnsl if both are needed.
|
|
# We assume that if connect needs -lnsl, so does gethostbyname.
|
|
AC_CHECK_FUNC(connect, ,
|
|
AC_CHECK_LIB(socket, connect, SOCKET_LIBS="-lsocket",
|
|
AC_MSG_ERROR(Function 'socket' not found.), $NSL_LIBS))
|
|
AC_SUBST(SOCKET_LIBS)
|
|
])
|
|
|
|
#
|
|
# AC_ETHEREAL_PCAP_CHECK
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_PCAP_CHECK],
|
|
[
|
|
if test -z "$pcap_dir"
|
|
then
|
|
# Pcap header checks
|
|
# XXX need to set a var AC_CHECK_HEADER(pcap.h,,)
|
|
|
|
#
|
|
# The user didn't specify a directory in which libpcap resides;
|
|
# we assume that the current library search path will work,
|
|
# but we may have to look for the header in a "pcap"
|
|
# subdirectory of "/usr/include" or "/usr/local/include",
|
|
# as some systems apparently put "pcap.h" in a "pcap"
|
|
# subdirectory, and we also check "$prefix/include" - and
|
|
# "$prefix/include/pcap", in case $prefix is set to
|
|
# "/usr/include" or "/usr/local/include".
|
|
#
|
|
# XXX - should we just add "$prefix/include" to the include
|
|
# search path and "$prefix/lib" to the library search path?
|
|
#
|
|
AC_MSG_CHECKING(for extraneous pcap header directories)
|
|
found_pcap_dir=""
|
|
pcap_dir_list="/usr/include/pcap $prefix/include/pcap $prefix/include"
|
|
if test "x$ac_cv_enable_usr_local" = "xyes" ; then
|
|
pcap_dir_list="$pcap_dir_list /usr/local/include/pcap"
|
|
fi
|
|
for pcap_dir in $pcap_dir_list
|
|
do
|
|
if test -d $pcap_dir ; then
|
|
if test x$pcap_dir != x/usr/include -a x$pcap_dir != x/usr/local/include ; then
|
|
CFLAGS="$CFLAGS -I$pcap_dir"
|
|
CPPFLAGS="$CPPFLAGS -I$pcap_dir"
|
|
fi
|
|
found_pcap_dir=" $found_pcap_dir -I$pcap_dir"
|
|
break
|
|
fi
|
|
done
|
|
|
|
if test "$found_pcap_dir" != "" ; then
|
|
AC_MSG_RESULT(found --$found_pcap_dir added to CFLAGS)
|
|
else
|
|
AC_MSG_RESULT(not found)
|
|
fi
|
|
else
|
|
#
|
|
# The user specified a directory in which libpcap resides,
|
|
# so add the "include" subdirectory of that directory to
|
|
# the include file search path and the "lib" subdirectory
|
|
# of that directory to the library search path.
|
|
#
|
|
# XXX - if there's also a libpcap in a directory that's
|
|
# already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't
|
|
# make us find the version in the specified directory,
|
|
# as the compiler and/or linker will search that other
|
|
# directory before it searches the specified directory.
|
|
#
|
|
CFLAGS="$CFLAGS -I$pcap_dir/include"
|
|
CPPFLAGS="$CPPFLAGS -I$pcap_dir/include"
|
|
AC_ETHEREAL_ADD_DASH_L(LDFLAGS, $pcap_dir/lib)
|
|
fi
|
|
|
|
# Pcap header check
|
|
AC_CHECK_HEADER(pcap.h,,
|
|
AC_MSG_ERROR([[Header file pcap.h not found; if you installed libpcap
|
|
from source, did you also do \"make install-incl\", and if you installed a
|
|
binary package of libpcap, is there also a developer's package of libpcap,
|
|
and did you also install that package?]]))
|
|
|
|
#
|
|
# Check to see if we find "pcap_open_live" in "-lpcap".
|
|
#
|
|
AC_CHECK_LIB(pcap, pcap_open_live,
|
|
[
|
|
PCAP_LIBS=-lpcap
|
|
AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
|
|
], [
|
|
AC_MSG_CHECKING([for pcap_open_live in -lpcap -lcfg -lodm])
|
|
ac_save_LIBS="$LIBS"
|
|
LIBS="-lpcap -lcfg -lodm"
|
|
AC_TRY_LINK(
|
|
[
|
|
# include <pcap.h>
|
|
],
|
|
[
|
|
pcap_open_live(NULL, 0, 0, 0, NULL);
|
|
],
|
|
[
|
|
AC_MSG_RESULT([yes])
|
|
PCAP_LIBS="-lpcap -lcfg -lodm"
|
|
AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
|
|
],
|
|
[
|
|
AC_MSG_RESULT([no])
|
|
AC_MSG_ERROR([Library libpcap not found.])
|
|
])
|
|
LIBS=$ac_save_LIBS
|
|
], $SOCKET_LIBS $NSL_LIBS)
|
|
AC_SUBST(PCAP_LIBS)
|
|
|
|
#
|
|
# Check whether various variables and functions are defined by
|
|
# libpcap.
|
|
#
|
|
ac_save_LIBS="$LIBS"
|
|
AC_MSG_CHECKING(whether pcap_version is defined by libpcap)
|
|
LIBS="$PCAP_LIBS $SOCKET_LIBS $NSL_LIBS $LIBS"
|
|
AC_TRY_LINK(
|
|
[
|
|
# include <stdio.h>
|
|
extern char *pcap_version;
|
|
],
|
|
[
|
|
printf ("%s\n", pcap_version);
|
|
],
|
|
ac_cv_pcap_version_defined=yes,
|
|
ac_cv_pcap_version_defined=no,
|
|
[echo $ac_n "cross compiling; assumed OK... $ac_c"])
|
|
if test "$ac_cv_pcap_version_defined" = yes ; then
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_PCAP_VERSION, 1, [Define if libpcap version is known])
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
AC_CHECK_FUNCS(pcap_findalldevs pcap_lib_version pcap_open_dead)
|
|
AC_CHECK_FUNCS(pcap_datalink_val_to_name pcap_datalink_name_to_val)
|
|
AC_CHECK_FUNCS(pcap_list_datalinks pcap_set_datalink)
|
|
LIBS="$ac_save_LIBS"
|
|
])
|
|
|
|
#
|
|
# AC_ETHEREAL_ZLIB_CHECK
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_ZLIB_CHECK],
|
|
[
|
|
if test "x$zlib_dir" != "x"
|
|
then
|
|
#
|
|
# The user specified a directory in which zlib resides,
|
|
# so add the "include" subdirectory of that directory to
|
|
# the include file search path and the "lib" subdirectory
|
|
# of that directory to the library search path.
|
|
#
|
|
# XXX - if there's also a zlib in a directory that's
|
|
# already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't
|
|
# make us find the version in the specified directory,
|
|
# as the compiler and/or linker will search that other
|
|
# directory before it searches the specified directory.
|
|
#
|
|
ethereal_save_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -I$zlib_dir/include"
|
|
ethereal_save_CPPFLAGS="$CPPFLAGS"
|
|
CPPFLAGS="$CPPFLAGS -I$zlib_dir/include"
|
|
ethereal_save_LIBS="$LIBS"
|
|
AC_ETHEREAL_ADD_DASH_L(LIBS, $zlib_dir/lib)
|
|
fi
|
|
|
|
#
|
|
# Make sure we have "zlib.h". If we don't, it means we probably
|
|
# don't have zlib, so don't use it.
|
|
#
|
|
AC_CHECK_HEADER(zlib.h,,
|
|
[
|
|
if test "x$zlib_dir" != "x"
|
|
then
|
|
#
|
|
# The user used "--with-zlib=" to specify a directory
|
|
# containing zlib, but we didn't find the header file
|
|
# there; that either means they didn't specify the
|
|
# right directory or are confused about whether zlib
|
|
# is, in fact, installed. Report the error and give up.
|
|
#
|
|
AC_MSG_ERROR([zlib header not found in directory specified in --with-zlib])
|
|
else
|
|
if test "x$want_zlib" = "xyes"
|
|
then
|
|
#
|
|
# The user tried to force us to use the library, but we
|
|
# couldn't find the header file; report an error.
|
|
#
|
|
AC_MSG_ERROR(Header file zlib.h not found.)
|
|
else
|
|
#
|
|
# We couldn't find the header file; don't use the
|
|
# library, as it's probably not present.
|
|
#
|
|
want_zlib=no
|
|
fi
|
|
fi
|
|
])
|
|
|
|
if test "x$want_zlib" != "xno"
|
|
then
|
|
#
|
|
# Well, we at least have the zlib header file.
|
|
#
|
|
# Check for "gzgets()" in zlib, because we need it, but
|
|
# some older versions of zlib don't have it. It appears
|
|
# from the zlib ChangeLog that any released version of zlib
|
|
# with "gzgets()" should have the other routines we
|
|
# depend on, such as "gzseek()", "gztell()", and "zError()".
|
|
#
|
|
# Another reason why we require "gzgets()" is that
|
|
# some versions of zlib that didn't have it, such
|
|
# as 1.0.8, had a bug in "gzseek()" that meant that it
|
|
# doesn't work correctly on uncompressed files; this
|
|
# means we cannot use version 1.0.8. (Unfortunately,
|
|
# that's the version that comes with recent X11 source,
|
|
# and many people who install XFree86 on their Slackware
|
|
# boxes don't realize that they should configure it to
|
|
# use the native zlib rather than building and installing
|
|
# the crappy old version that comes with XFree86.)
|
|
#
|
|
# I.e., we can't just avoid using "gzgets()", as
|
|
# versions of zlib without "gzgets()" are likely to have
|
|
# a broken "gzseek()".
|
|
#
|
|
AC_CHECK_LIB(z, gzgets,
|
|
[
|
|
if test "x$zlib_dir" != "x"
|
|
then
|
|
#
|
|
# Put the "-I" and "-L" flags for zlib at
|
|
# the beginning of CFLAGS, CPPFLAGS, and
|
|
# LIBS.
|
|
#
|
|
LIBS=""
|
|
AC_ETHEREAL_ADD_DASH_L(LIBS, $zlib_dir/lib)
|
|
LIBS="$LIBS -lz $ethereal_save_LIBS"
|
|
else
|
|
LIBS="-lz $LIBS"
|
|
fi
|
|
AC_DEFINE(HAVE_LIBZ, 1, [Define to use libz library])
|
|
],[
|
|
if test "x$zlib_dir" != "x"
|
|
then
|
|
#
|
|
# Restore the versions of CFLAGS, CPPFLAGS,
|
|
# and LIBS before we added the "-with-zlib="
|
|
# directory, as we didn't actually find
|
|
# zlib there, or didn't find a zlib that
|
|
# contains gzgets there.
|
|
#
|
|
CFLAGS="$ethereal_save_CFLAGS"
|
|
CPPFLAGS="$ethereal_save_CPPFLAGS"
|
|
LIBS="$ethereal_save_LIBS"
|
|
fi
|
|
want_zlib=no
|
|
])
|
|
fi
|
|
|
|
if test "x$want_zlib" != "xno"
|
|
then
|
|
#
|
|
# Well, we at least have the zlib header file and a zlib
|
|
# with "gzgets()".
|
|
#
|
|
# Now check for "gzgets()" in zlib when linking with the
|
|
# linker flags for GTK+ applications; people often grab
|
|
# XFree86 source and build and install it on their systems,
|
|
# and they appear sometimes to misconfigure XFree86 so that,
|
|
# even on systems with zlib, it assumes there is no zlib,
|
|
# so the XFree86 build process builds and installs its
|
|
# own zlib in the X11 library directory.
|
|
#
|
|
# The XFree86 zlib is an older version that lacks
|
|
# "gzgets()", and that's the zlib with which Ethereal
|
|
# gets linked, so the build of Ethereal fails.
|
|
#
|
|
ac_save_CFLAGS="$CFLAGS"
|
|
ac_save_LIBS="$LIBS"
|
|
CFLAGS="$CFLAGS $GTK_CFLAGS"
|
|
LIBS="$GTK_LIBS -lz $LIBS"
|
|
AC_MSG_CHECKING([for gzgets missing when linking with X11])
|
|
AC_TRY_LINK_FUNC(gzgets, AC_MSG_RESULT(no),
|
|
[
|
|
AC_MSG_RESULT(yes)
|
|
AC_MSG_ERROR(old zlib found when linking with X11 - get rid of old zlib.)
|
|
])
|
|
CFLAGS="$ac_save_CFLAGS"
|
|
LIBS="$ac_save_LIBS"
|
|
fi
|
|
])
|
|
|
|
#
|
|
# AC_ETHEREAL_LIBPCRE_CHECK
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_LIBPCRE_CHECK],
|
|
[
|
|
if test "x$pcre_dir" != "x"
|
|
then
|
|
#
|
|
# The user specified a directory in which libpcre resides,
|
|
# so add the "include" subdirectory of that directory to
|
|
# the include file search path and the "lib" subdirectory
|
|
# of that directory to the library search path.
|
|
#
|
|
# XXX - if there's also a libpcre in a directory that's
|
|
# already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't
|
|
# make us find the version in the specified directory,
|
|
# as the compiler and/or linker will search that other
|
|
# directory before it searches the specified directory.
|
|
#
|
|
ethereal_save_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -I$pcre_dir/include"
|
|
ethereal_save_CPPFLAGS="$CPPFLAGS"
|
|
CPPFLAGS="$CPPFLAGS -I$pcre_dir/include"
|
|
ethereal_save_LIBS="$LIBS"
|
|
LIBS="$LIBS -lpcre"
|
|
ethereal_save_LDFLAGS="$LDFLAGS"
|
|
LDFLAGS="$LDFLAGS -L$pcre_dir/lib"
|
|
fi
|
|
|
|
#
|
|
# Make sure we have "pcre.h". If we don't, it means we probably
|
|
# don't have libpcre, so don't use it.
|
|
#
|
|
AC_CHECK_HEADER(pcre.h,,
|
|
[
|
|
if test "x$pcre_dir" != "x"
|
|
then
|
|
#
|
|
# The user used "--with-pcre=" to specify a directory
|
|
# containing libpcre, but we didn't find the header file
|
|
# there; that either means they didn't specify the
|
|
# right directory or are confused about whether libpcre
|
|
# is, in fact, installed. Report the error and give up.
|
|
#
|
|
AC_MSG_ERROR([libpcre header not found in directory specified in --with-pcre])
|
|
else
|
|
if test "x$want_pcre" = "xyes"
|
|
then
|
|
#
|
|
# The user tried to force us to use the library, but we
|
|
# couldn't find the header file; report an error.
|
|
#
|
|
AC_MSG_ERROR(Header file pcre.h not found.)
|
|
else
|
|
#
|
|
# We couldn't find the header file; don't use the
|
|
# library, as it's probably not present.
|
|
#
|
|
want_pcre=no
|
|
fi
|
|
fi
|
|
])
|
|
|
|
if test "x$want_pcre" != "xno"
|
|
then
|
|
#
|
|
# Well, we at least have the pcre header file.
|
|
#
|
|
# We're only using standard functions from libpcre,
|
|
# so we don't need to perform extra checks.
|
|
#
|
|
AC_CHECK_LIB(pcre, pcre_compile,
|
|
[
|
|
if test "x$pcre_dir" != "x"
|
|
then
|
|
#
|
|
# Put the "-I" and "-L" flags for pcre at
|
|
# the beginning of CFLAGS, CPPFLAGS,
|
|
# LDFLAGS, and LIBS.
|
|
#
|
|
PCRE_LIBS="-L$pcre_dir/lib -lpcre $ethereal_save_LIBS"
|
|
else
|
|
PCRE_LIBS="-lpcre"
|
|
fi
|
|
AC_DEFINE(HAVE_LIBPCRE, 1, [Define to use libpcre library])
|
|
],[
|
|
if test "x$pcre_dir" != "x"
|
|
then
|
|
#
|
|
# Restore the versions of CFLAGS, CPPFLAGS,
|
|
# LDFLAGS, and LIBS before we added the
|
|
# "--with-pcre=" directory, as we didn't
|
|
# actually find pcre there.
|
|
#
|
|
CFLAGS="$ethereal_save_CFLAGS"
|
|
CPPFLAGS="$ethereal_save_CPPFLAGS"
|
|
LDFLAGS="$ethereal_save_LDFLAGS"
|
|
LIBS="$ethereal_save_LIBS"
|
|
PCRE_LIBS=""
|
|
fi
|
|
want_pcre=no
|
|
])
|
|
AC_SUBST(PCRE_LIBS)
|
|
fi
|
|
])
|
|
|
|
#
|
|
# AC_ETHEREAL_UCDSNMP_CHECK
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_UCDSNMP_CHECK],
|
|
[
|
|
if test "x$ucdsnmp_dir" != "x"
|
|
then
|
|
#
|
|
# The user specified a directory in which UCD SNMP resides,
|
|
# so add the "include" subdirectory of that directory to
|
|
# the include file search path and the "lib" subdirectory
|
|
# of that directory to the library search path.
|
|
#
|
|
# XXX - if there's also a libpcap in a directory that's
|
|
# already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't
|
|
# make us find the version in the specified directory,
|
|
# as the compiler and/or linker will search that other
|
|
# directory before it searches the specified directory.
|
|
#
|
|
CFLAGS="$CFLAGS -I$ucdsnmp_dir/include"
|
|
CPPFLAGS="$CPPFLAGS -I$ucdsnmp_dir/include"
|
|
AC_ETHEREAL_ADD_DASH_L(LDFLAGS, $ucdsnmp_dir/lib)
|
|
fi
|
|
|
|
#
|
|
# Check for one of the UCD SNMP header files we include,
|
|
# to see whether we have UCD SNMP installed.
|
|
#
|
|
AC_CHECK_HEADER(ucd-snmp/ucd-snmp-config.h,
|
|
[
|
|
#
|
|
# UCD SNMP or Net-SNMP might require various helper
|
|
# libraries on various platforms, such as "-ldes425"
|
|
# in "/usr/kerberos/lib" on some versions of Red
|
|
# Hat Linux, or "-lkstat" on Solaris.
|
|
# XXX - it may also require "-lcrypto" on some platforms;
|
|
# we should check for that as well, rather than requiring
|
|
# users to explicitly indicate whether it's required.
|
|
#
|
|
# XXX - autoconf really needs a way to test for
|
|
# a given routine in a given library *and* to test
|
|
# whether additional "-L"/"-R"/whatever flags are
|
|
# needed *before* the "-l" flag for the library
|
|
# and to test whether additional libraries are
|
|
# needed after the library *and* to cache all that
|
|
# information.
|
|
#
|
|
ac_save_LIBS="$LIBS"
|
|
for extras in "" "-L/usr/kerberos/lib -ldes425" "-lkstat"
|
|
do
|
|
LIBS="-lsnmp $extras $SOCKET_LIBS $NSL_LIBS $SSL_LIBS"
|
|
AC_TRY_LINK(
|
|
[
|
|
],
|
|
[
|
|
sprint_realloc_objid();
|
|
],
|
|
[
|
|
SNMP_LIBS="-lsnmp $extras"; break;
|
|
],
|
|
[
|
|
])
|
|
|
|
# int sprint_realloc_objid(u_char **buf, size_t *buf_len, size_t *out_len, int allow_realloc, const oid *objid, size_t objidlen);
|
|
# AC_TRY_LINK(includes, body, [if-found], [if-not-found])
|
|
# AC_CHECK_LIB(snmp, sprint_realloc_objid,
|
|
# [
|
|
# SNMP_LIBS="-lsnmp $extras"; break
|
|
# ],
|
|
# [
|
|
# #
|
|
# # Throw away the cached "we didn't find it"
|
|
# # answer, so that if we rerun "configure",
|
|
# # we still do all these checks and don't
|
|
# # just blithely assume we don't need
|
|
# # the extra libraries.
|
|
# #
|
|
# unset ac_cv_lib_snmp_sprint_realloc_objid
|
|
# ], $SOCKET_LIBS $NSL_LIBS $SSL_LIBS $extras)
|
|
done
|
|
LIBS=$ac_save_LIBS
|
|
|
|
#
|
|
# If we didn't find "sprint_realloc_objid()", fail.
|
|
# Either the user needs a newer version of UCD SNMP
|
|
# with "sprint_realloc_objid()", or they may need to
|
|
# specify "--with-ssl".
|
|
#
|
|
if test "$ac_cv_lib_snmp_sprint_realloc_objid" = no; then
|
|
AC_MSG_ERROR([UCD SNMP header files found, but sprint_realloc_objid not found in SNMP library.])
|
|
fi
|
|
|
|
#
|
|
# We found it, so we have UCD SNMP.
|
|
#
|
|
AC_DEFINE(HAVE_UCD_SNMP, 1, [Define to enable support for UCD-SNMP])
|
|
have_ucd_snmp="yes"
|
|
],[
|
|
#
|
|
# No, we don't have it.
|
|
# If the user explicitly asked for UCD SNMP, fail,
|
|
# otherwise just don't use the UCD SNMP library.
|
|
#
|
|
if test "x$want_ucdsnmp" = "xyes" ; then
|
|
AC_MSG_ERROR(Header file ucd-snmp/snmp.h not found.)
|
|
fi
|
|
])
|
|
])
|
|
|
|
#
|
|
# AC_ETHEREAL_SSL_CHECK
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_SSL_CHECK],
|
|
[
|
|
want_ssl=defaultno
|
|
|
|
AC_ARG_WITH(ssl,
|
|
changequote(<<, >>)dnl
|
|
<< --with-ssl[=DIR] use SSL crypto library (located in directory DIR, if supplied). [default=no]>>,
|
|
changequote([, ])dnl
|
|
[
|
|
if test "x$withval" = "xno"; then
|
|
want_ssl=no
|
|
elif test "x$withval" = "xyes"; then
|
|
want_ssl=yes
|
|
elif test -d "$withval"; then
|
|
want_ssl=yes
|
|
AC_ETHEREAL_ADD_DASH_L(LDFLAGS, ${withval}/lib)
|
|
fi
|
|
])
|
|
|
|
if test "x$want_ssl" = "xdefaultyes"; then
|
|
want_ssl=yes
|
|
withval=/usr/local/ssl
|
|
if test -d "$withval"; then
|
|
AC_ETHEREAL_ADD_DASH_L(LDFLAGS, ${withval}/lib)
|
|
fi
|
|
fi
|
|
|
|
if test "x$want_ssl" = "xyes"; then
|
|
LIBS="-lcrypto"
|
|
AC_TRY_LINK(
|
|
[
|
|
void EVP_md5();
|
|
],
|
|
[
|
|
EVP_md5();
|
|
],
|
|
[
|
|
AC_MSG_RESULT([yes])
|
|
SSL_LIBS=-lcrypto
|
|
],
|
|
[
|
|
AC_MSG_RESULT([no])
|
|
AC_MSG_ERROR([libcrypto failed link test.])
|
|
])
|
|
|
|
else
|
|
AC_MSG_RESULT(not required)
|
|
fi
|
|
])
|
|
|
|
#
|
|
# AC_ETHEREAL_RPM_CHECK
|
|
# Looks for the rpm program, and checks to see if we can redefine "_topdir".
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_RPM_CHECK],
|
|
[
|
|
AC_CHECK_PROG(ac_cv_ethereal_have_rpm, rpm, "yes", "no")
|
|
if test "x$ac_cv_ethereal_have_rpm" = "xyes"; then
|
|
rpm --define '_topdir /tmp' > /dev/null 2>&1
|
|
AC_MSG_CHECKING(to see if we can redefine _topdir)
|
|
if test $? -eq 0 ; then
|
|
AC_MSG_RESULT(yes)
|
|
HAVE_RPM=yes
|
|
else
|
|
AC_MSG_RESULT(no. You'll have to build packages manually.)
|
|
HAVE_RPM=no
|
|
fi
|
|
fi
|
|
])
|
|
|
|
#
|
|
# AC_ETHEREAL_GNU_SED_CHECK
|
|
# Checks if GNU sed is the first sed in PATH.
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_GNU_SED_CHECK],
|
|
[
|
|
AC_MSG_CHECKING(for GNU sed as first sed in PATH)
|
|
if ( sh -c "sed --version" </dev/null 2> /dev/null | grep "GNU sed" 2>&1 > /dev/null ) ; then
|
|
AC_MSG_RESULT(yes)
|
|
HAVE_GNU_SED=yes
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
HAVE_GNU_SED=no
|
|
fi
|
|
])
|
|
|
|
#
|
|
# AC_ETHEREAL_ADNS_CHECK
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_ADNS_CHECK],
|
|
[
|
|
want_adns=defaultyes
|
|
|
|
AC_ARG_WITH(adns,
|
|
changequote(<<, >>)dnl
|
|
<< --with-adns[=DIR] use GNU ADNS (located in directory DIR, if supplied). [default=yes, if present]>>,
|
|
changequote([, ])dnl
|
|
[
|
|
if test "x$withval" = "xno"; then
|
|
want_adns=no
|
|
elif test "x$withval" = "xyes"; then
|
|
want_adns=yes
|
|
elif test -d "$withval"; then
|
|
want_adns=yes
|
|
AC_ETHEREAL_ADD_DASH_L(LDFLAGS, ${withval}/lib)
|
|
fi
|
|
])
|
|
|
|
if test "x$want_adns" = "xdefaultyes"; then
|
|
want_adns=yes
|
|
withval=/usr/local
|
|
if test -d "$withval"; then
|
|
AC_ETHEREAL_ADD_DASH_L(LDFLAGS, ${withval}/lib)
|
|
fi
|
|
fi
|
|
|
|
if test "x$want_adns" = "xyes"; then
|
|
AC_CHECK_LIB(adns, adns_init,
|
|
[
|
|
ADNS_LIBS=-ladns
|
|
AC_DEFINE(HAVE_GNU_ADNS, 1, [Define to use GNU ADNS library])
|
|
have_good_adns=yes
|
|
],, $SOCKET_LIBS $NSL_LIBS
|
|
)
|
|
else
|
|
AC_MSG_RESULT(not required)
|
|
fi
|
|
])
|
|
|
|
|
|
#
|
|
# AC_ETHEREAL_KRB5_CHECK
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_KRB5_CHECK],
|
|
[
|
|
if test "x$krb5_dir" != "x"
|
|
then
|
|
#
|
|
# The user specified a directory in which kerberos resides,
|
|
# so add the "include" subdirectory of that directory to
|
|
# the include file search path and the "lib" subdirectory
|
|
# of that directory to the library search path.
|
|
#
|
|
# XXX - if there's also a kerberos in a directory that's
|
|
# already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't
|
|
# make us find the version in the specified directory,
|
|
# as the compiler and/or linker will search that other
|
|
# directory before it searches the specified directory.
|
|
#
|
|
ethereal_save_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -I$krb5_dir/include"
|
|
ethereal_save_CPPFLAGS="$CPPFLAGS"
|
|
CPPFLAGS="$CPPFLAGS -I$krb5_dir/include"
|
|
KRB5_LIBS="-lkrb5 -lasn1 $SSL_LIBS -lroken -lcrypt -lresolv"
|
|
ethereal_save_LDFLAGS="$LDFLAGS"
|
|
LDFLAGS="$LDFLAGS -L$krb5_dir/lib"
|
|
ac_krb5_version=`grep -i heimdal $krb5_dir/include/krb5.h | head -n 1 | sed 's/^.*heimdal.*$/HEIMDAL/i'`
|
|
else
|
|
AC_PATH_PROG(KRB5_CONFIG, krb5-config)
|
|
if test -x "$KRB5_CONFIG"
|
|
then
|
|
set -x
|
|
KRB5_FLAGS=`"$KRB5_CONFIG" --cflags`
|
|
CFLAGS="$CFLAGS $KRB5_FLAGS"
|
|
CPPFLAGS="$CPPFLAGS $KRB5_FLAGS"
|
|
KRB5_LIBS=`"$KRB5_CONFIG" --libs | sed 's/-lcrypto//'`
|
|
KRB5_LIBS="$KRB5_LIBS $SSL_LIBS"
|
|
# Looks like krb5-config is lacking -lresolv on some systems
|
|
AC_MSG_CHECKING(whether library list looks OK)
|
|
if echo "$KRB5_LIBS" | grep resolv >/dev/null
|
|
then
|
|
AC_MSG_RESULT(yes)
|
|
else
|
|
KRB5_LIBS="$KRB5_LIBS -lresolv"
|
|
AC_MSG_RESULT(Adding -lresolv to libs)
|
|
fi
|
|
|
|
#LIBS="$LIBS $KRB5_LIBS"
|
|
ac_krb5_version=`"$KRB5_CONFIG" --version | head -n 1 | sed 's/^.*heimdal.*$/HEIMDAL/i'`
|
|
set +x
|
|
fi
|
|
fi
|
|
|
|
#
|
|
# Make sure we have "krb5.h". If we don't, it means we probably
|
|
# don't have kerberos, so don't use it.
|
|
#
|
|
AC_CHECK_HEADER(krb5.h,,
|
|
[
|
|
if test "x$krb5_dir" != "x"
|
|
then
|
|
#
|
|
# The user used "--with-krb5=" to specify a directory
|
|
# containing kerberos, but we didn't find the header file
|
|
# there; that either means they didn't specify the
|
|
# right directory or are confused about whether kerberos
|
|
# is, in fact, installed. Report the error and give up.
|
|
#
|
|
AC_MSG_ERROR([kerberos header not found in directory specified in --with-krb5])
|
|
else
|
|
if test "x$want_krb5" = "xyes"
|
|
then
|
|
#
|
|
# The user tried to force us to use the library, but we
|
|
# couldn't find the header file; report an error.
|
|
#
|
|
AC_MSG_ERROR(Header file krb5.h not found.)
|
|
else
|
|
#
|
|
# We couldn't find the header file; don't use the
|
|
# library, as it's probably not present.
|
|
#
|
|
want_krb5=no
|
|
fi
|
|
fi
|
|
])
|
|
|
|
if test "x$want_krb5" != "xno" -a "x$ac_krb5_version" = "xHEIMDAL"
|
|
then
|
|
#
|
|
# Well, we at least have the krb5 header file.
|
|
#
|
|
AC_CHECK_LIB(krb5, krb5_kt_resolve,
|
|
[
|
|
if test "x$krb5_dir" != "x"
|
|
then
|
|
#
|
|
# Put the "-I" and "-L" flags for krb5 at
|
|
# the beginning of CFLAGS, CPPFLAGS,
|
|
# LDFLAGS, and LIBS.
|
|
#
|
|
KRB5_LIBS="-L$krb5_dir/lib $KRB5_LIBS"
|
|
fi
|
|
AC_DEFINE(HAVE_KERBEROS, 1, [Define to use kerberos])
|
|
AC_DEFINE(HAVE_HEIMDAL_KERBEROS, 1, [Define to use heimdal kerberos])
|
|
],[
|
|
if test "x$krb5_dir" != "x"
|
|
then
|
|
#
|
|
# Restore the versions of CFLAGS, CPPFLAGS,
|
|
# LDFLAGS, and LIBS before we added the
|
|
# "--with-krb5=" directory, as we didn't
|
|
# actually find kerberos there.
|
|
#
|
|
CFLAGS="$ethereal_save_CFLAGS"
|
|
CPPFLAGS="$ethereal_save_CPPFLAGS"
|
|
LDFLAGS="$ethereal_save_LDFLAGS"
|
|
#LIBS="$ethereal_save_LIBS"
|
|
KRB5_LIBS=""
|
|
fi
|
|
want_krb5=no
|
|
], $KRB5_LIBS)
|
|
else
|
|
KRB5_LIBS=""
|
|
want_krb5=no
|
|
fi
|
|
AC_SUBST(KRB5_LIBS)
|
|
])
|
|
|