dnl This file is part of the Autoconf packaging for Ethereal.
dnl Copyright (C) 1998-2000 by Gerald Combs.
dnl
-dnl $Id: acinclude.m4,v 1.16 2000/01/15 08:08:20 guy Exp $
+dnl $Id$
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
dnl Roland McGrath, Noah Friedman, david d zuhn, and many others.
+#
+# AC_ETHEREAL_ADD_DASH_L
+#
+# 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.
+#
+AC_DEFUN([AC_ETHEREAL_ADD_DASH_L],
+[$1="$$1 -L$2"
+case "$host_os" in
+ solaris*)
+ $1="$$1 -R$2"
+ ;;
+esac
+])
+
+
#
# AC_ETHEREAL_STRUCT_SA_LEN
#
dnl ### Checks for structure members
-AC_DEFUN(AC_ETHEREAL_STRUCT_SA_LEN,
+AC_DEFUN([AC_ETHEREAL_STRUCT_SA_LEN],
[AC_CACHE_CHECK([for sa_len in struct sockaddr], ac_cv_ethereal_struct_sa_len,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/socket.h>], [struct sockaddr s; s.sa_len;],
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)
+ AC_DEFINE(HAVE_SA_LEN, 1, [Define if sa_len field exists in struct sockaddr])
fi
])
+
+dnl
+dnl Check whether a given format can be used to print 64-bit integers
+dnl
+AC_DEFUN([AC_ETHEREAL_CHECK_64BIT_FORMAT],
+[
+ AC_MSG_CHECKING([whether %$1x can be used to format 64-bit integers])
+ AC_RUN_IFELSE(
+ [
+ AC_LANG_SOURCE(
+ [[
+# ifdef HAVE_INTTYPES_H
+ #include <inttypes.h>
+# endif
+ #include <glibconfig.h>
+ #include <stdio.h>
+ #include <sys/types.h>
+
+ main()
+ {
+ guint64 t = 1;
+ char strbuf[16+1];
+ sprintf(strbuf, "%016$1x", t << 32);
+ if (strcmp(strbuf, "0000000100000000") == 0)
+ exit(0);
+ else
+ exit(1);
+ }
+ ]])
+ ],
+ [
+ AC_DEFINE(PRId64, "$1d", [Format for printing 64-bit signed decimal numbers])
+ AC_DEFINE(PRIo64, "$1o", [Format for printing 64-bit unsigned octal numbers])
+ AC_DEFINE(PRIx64, "$1x", [Format for printing 64-bit unsigned hexadecimal numbers])
+ AC_DEFINE(PRIu64, "$1u", [Format for printing 64-bit unsigned decimal numbers])
+ AC_MSG_RESULT(yes)
+ ],
+ [
+ AC_MSG_RESULT(no)
+ $2
+ ])
+])
+
#
# AC_ETHEREAL_IPV6_STACK
#
# By Jun-ichiro "itojun" Hagino, <itojun@iijlab.net>
#
-AC_DEFUN(AC_ETHEREAL_IPV6_STACK,
+AC_DEFUN([AC_ETHEREAL_IPV6_STACK],
[
v6type=unknown
v6lib=none
AC_MSG_CHECKING([ipv6 stack type])
- for i in v6d toshiba kame inria zeta linux; do
+ for i in v6d toshiba kame inria zeta linux linux-glibc solaris8; do
case $i in
v6d)
- AC_EGREP_CPP(yes, [dnl
+ AC_EGREP_CPP(yes, [
#include </usr/local/v6/include/sys/types.h>
#ifdef __V6D__
yes
CFLAGS="-I/usr/local/v6/include $CFLAGS"])
;;
toshiba)
- AC_EGREP_CPP(yes, [dnl
+ AC_EGREP_CPP(yes, [
#include <sys/param.h>
#ifdef _TOSHIBA_INET6
yes
CFLAGS="-DINET6 $CFLAGS"])
;;
kame)
- AC_EGREP_CPP(yes, [dnl
+ AC_EGREP_CPP(yes, [
#include <netinet/in.h>
#ifdef __KAME__
yes
CFLAGS="-DINET6 $CFLAGS"])
;;
inria)
- AC_EGREP_CPP(yes, [dnl
+ AC_EGREP_CPP(yes, [
#include <netinet/in.h>
#ifdef IPV6_INRIA_VERSION
yes
[v6type=$i; CFLAGS="-DINET6 $CFLAGS"])
;;
zeta)
- AC_EGREP_CPP(yes, [dnl
+ AC_EGREP_CPP(yes, [
#include <sys/param.h>
#ifdef _ZETA_MINAMI_INET6
yes
CFLAGS="-DINET6 $CFLAGS"
fi
;;
+ linux-glibc)
+ AC_EGREP_CPP(yes, [
+#include <features.h>
+#if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
+#if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || __GLIBC__ > 2
+yes
+#endif
+#endif],
+ [v6type=$i; v6lib=inet6; CFLAGS="-DINET6 $CFLAGS"])
+ ;;
+ solaris8)
+ if test "`uname -s`" = "SunOS" && test "`uname -r`" = "5.8"; then
+ v6type=$i
+ v6lib=inet6
+ [CFLAGS="-DINET6 -DSOLARIS8_INET6 $CFLAGS"]
+ fi
+ ;;
esac
if test "$v6type" != "unknown"; then
break
# 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,
+AC_DEFUN([AC_ETHEREAL_GETHOSTBY_LIB_CHECK],
[
# msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT,
# to get the SysV transport functions.
# 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)
- if test $ac_cv_func_gethostbyname = no; then
- AC_CHECK_LIB(nsl, gethostbyname, NSL_LIBS="-lnsl")
- fi
+ AC_CHECK_FUNC(gethostbyname, ,
+ AC_CHECK_LIB(nsl, gethostbyname, NSL_LIBS="-lnsl"))
AC_SUBST(NSL_LIBS)
])
#
# We use "connect" because that's what AC_PATH_XTRA did.
#
-AC_DEFUN(AC_ETHEREAL_SOCKET_LIB_CHECK,
+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
# 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)
- if test $ac_cv_func_connect = no; then
+ AC_CHECK_FUNC(connect, ,
AC_CHECK_LIB(socket, connect, SOCKET_LIBS="-lsocket",
- AC_MSG_ERROR(Function 'socket' not found.), $NSL_LIBS)
- fi
+ AC_MSG_ERROR(Function 'socket' not found.), $NSL_LIBS))
AC_SUBST(SOCKET_LIBS)
])
#
# AC_ETHEREAL_PCAP_CHECK
#
-AC_DEFUN(AC_ETHEREAL_PCAP_CHECK,
+AC_DEFUN([AC_ETHEREAL_PCAP_CHECK],
[
- # Evidently, some systems have pcap.h, etc. in */include/pcap
- AC_MSG_CHECKING(for extraneous pcap header directories)
- found_pcap_dir=""
- for pcap_dir in /usr/include/pcap /usr/local/include/pcap $prefix/include
- do
- if test -d $pcap_dir ; then
- LIBS="$LIBS -L$pcap_dir"
- CFLAGS="$CFLAGS -I$pcap_dir"
- CPPFLAGS="$CPPFLAGS -I$pcap_dir"
- found_pcap_dir=" $found_pcap_dir -L$pcap_dir"
+ 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
- done
+ 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 $NSL_LIBS)
+ AC_SUBST(PCAP_LIBS)
- if test "$found_pcap_dir" != "" ; then
- AC_MSG_RESULT(found --$found_pcap_dir added to LIBS and CFLAGS)
+ #
+ # Check whether various variables and functions are defined by
+ # libpcap.
+ #
+ ac_save_LIBS="$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(not found)
+ AC_MSG_RESULT(no)
fi
+ AC_CHECK_FUNCS(pcap_open_dead)
+ #
+ # Later versions of Mac OS X 10.3[.x] ship a pcap.h that
+ # doesn't define pcap_if_t but ship an 0.8[.x] libpcap,
+ # so the library has "pcap_findalldevs()", but pcap.h
+ # doesn't define "pcap_if_t" so you can't actually *use*
+ # "pcap_findalldevs()".
+ #
+ # That even appears to be true of systems shipped with
+ # 10.3.4, so it doesn't appear only to be a case of
+ # Software Update not updating header files.
+ #
+ # (You can work around this by installing the 0.8 header
+ # files.)
+ #
+ AC_CACHE_CHECK([whether pcap_findalldevs is present and usable],
+ [ac_cv_func_pcap_findalldevs],
+ [
+ AC_LINK_IFELSE(
+ [
+ AC_LANG_SOURCE(
+ [[
+ #include <pcap.h>
+ main()
+ {
+ pcap_if_t *devpointer;
+ char errbuf[1];
- # Pcap checks
- AC_CHECK_HEADER(net/bpf.h,,
- AC_MSG_ERROR([[Header file net/bpf.h not found; if you installed libpcap from source, did you also do \"make install-incl\"?]]))
- AC_CHECK_HEADER(pcap.h,, AC_MSG_ERROR(Header file pcap.h not found.))
- AC_CHECK_LIB(pcap, pcap_open_live,, AC_MSG_ERROR(Library libpcap not found.),
- $SOCKET_LIBS $NSL_LIBS)
+ pcap_findalldevs(&devpointer, errbuf);
+ }
+ ]])
+ ],
+ [
+ ac_cv_func_pcap_findalldevs=yes
+ ],
+ [
+ ac_cv_func_pcap_findalldevs=no
+ ])
+ ])
+ #
+ # Don't check for other new routines that showed up after
+ # "pcap_findalldevs()" if we don't have a usable
+ # "pcap_findalldevs()", so we don't end up using them if the
+ # "pcap.h" is crufty and old and doesn't declare them.
+ #
+ if test $ac_cv_func_pcap_findalldevs = "yes" ; then
+ AC_DEFINE(HAVE_PCAP_FINDALLDEVS, 1,
+ [Define to 1 if you have the `pcap_findalldevs' function and a pcap.h that declares pcap_if_t.])
+ AC_CHECK_FUNCS(pcap_datalink_val_to_name pcap_datalink_name_to_val)
+ AC_CHECK_FUNCS(pcap_list_datalinks pcap_set_datalink pcap_lib_version)
+ fi
+ LIBS="$ac_save_LIBS"
])
#
# AC_ETHEREAL_ZLIB_CHECK
#
-AC_DEFUN(AC_ETHEREAL_ZLIB_CHECK,
+AC_DEFUN([AC_ETHEREAL_ZLIB_CHECK],
[
- AC_CHECK_HEADER(zlib.h,,enable_zlib=no)
-
- dnl
- dnl Check for "gzgets()" in zlib, because we need it, but
- dnl some older versions of zlib don't have it. It appears
- dnl from the ChangeLog that any released version of zlib
- dnl with "gzgets()" should have the other routines we
- dnl depend on, such as "gzseek()", "gztell()", and "zError()".
- dnl
- AC_CHECK_LIB(z, gzgets,,enable_zlib=no)
+ 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="$ac_save_LIBS"
+ fi
])
#
-# AC_ETHEREAL_UCDSNMP_CHECK
+# AC_ETHEREAL_LIBPCRE_CHECK
#
-AC_DEFUN(AC_ETHEREAL_UCDSNMP_CHECK,
+AC_DEFUN([AC_ETHEREAL_LIBPCRE_CHECK],
[
- want_ucdsnmp=yes
+ if test "x$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
- AC_ARG_WITH(ucdsnmp,
- [ --with-ucdsnmp=DIR use UCD SNMP client library, located in directory DIR.], [
- if test $withval = no
+ #
+ # Make sure we have "pcre.h". If we don't, it means we probably
+ # don't have libpcre, so don't use it.
+ #
+ AC_CHECK_HEADER(pcre.h,,
+ [
+ if test "x$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
- want_ucdsnmp=no
- else
- want_ucdsnmp=yes
- ucdsnmp_user_dir=$withval
+ #
+ # Well, we at least have the pcre header file.
+ #
+ # We're only using standard functions from libpcre,
+ # so we don't need to perform extra checks.
+ #
+ AC_CHECK_LIB(pcre, pcre_compile,
+ [
+ if test "x$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
- ])
+])
- if test $want_ucdsnmp = yes
+#
+# AC_ETHEREAL_UCDSNMP_CHECK
+#
+AC_DEFUN([AC_ETHEREAL_UCDSNMP_CHECK],
+[
+ if test "x$ucdsnmp_dir" != "x"
then
- ucdsnmpdir=""
+ #
+ # 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
- for d in $ucdsnmp_user_dir $prefix
+ #
+ # Check for one of the UCD SNMP header files we include,
+ # to see whether we have UCD SNMP installed.
+ #
+ AC_CHECK_HEADER(ucd-snmp/ucd-snmp-config.h,
+ [
+ #
+ # UCD SNMP or Net-SNMP might require various helper
+ # libraries on various platforms, such as "-ldes425"
+ # in "/usr/kerberos/lib" on some versions of Red
+ # Hat Linux, or "-lkstat" on Solaris.
+ #
+ # It might also require "-lcrypto" on some platforms;
+ # if the user didn't specify --with-ssl, we check
+ # whether it would have made a difference and, if so,
+ # we tell the user that they needed to request it.
+ # (There are annoying licensing issues with it and
+ # GPL'ed code, so we don't include it by default.)
+ #
+ # XXX - autoconf really needs a way to test for
+ # a given routine in a given library *and* to test
+ # whether additional "-L"/"-R"/whatever flags are
+ # needed *before* the "-l" flag for the library
+ # and to test whether additional libraries are
+ # needed after the library *and* to cache all that
+ # information.
+ #
+ ethereal_save_LIBS="$LIBS"
+ found_sprint_realloc_objid=no
+ for extras in "" "-L/usr/kerberos/lib -ldes425" "-lkstat"
do
- if test x$d != xNONE
+ LIBS="-lsnmp $extras $SOCKET_LIBS $NSL_LIBS $SSL_LIBS"
+ if test -z "$extras"
then
- AC_MSG_CHECKING($d for ucd-snmp)
-
- if test x$d != x/usr/local && test -f $d/include/ucd-snmp/snmp.h
+ AC_MSG_CHECKING([whether UCD SNMP includes sprint_realloc_objid])
+ else
+ AC_MSG_CHECKING([whether UCD SNMP includes sprint_realloc_objid (linking with $extras)])
+ fi
+ AC_TRY_LINK(
+ [
+ ],
+ [
+ sprint_realloc_objid();
+ ],
+ [
+ #
+ # We found "sprint_realloc_objid()",
+ # and required the libraries in
+ # extras as well.
+ #
+ AC_MSG_RESULT(yes)
+ SNMP_LIBS="-lsnmp $extras"; break;
+ found_sprint_realloc_objid=yes
+ break
+ ],
+ [
+ #
+ # The link failed. If they didn't ask
+ # for SSL, try linking with -lcrypto
+ # as well, and if *that* succeeds,
+ # tell them they'll need to specify
+ # --want-ssl.
+ #
+ AC_MSG_RESULT(no)
+ if test "x$want_ssl" = "xno"
then
- AC_MSG_RESULT(found)
- ucdsnmpdir=$d
- break
- else
- AC_MSG_RESULT(not found)
+ LIBS="$LIBS -lcrypto"
+ AC_TRY_LINK(
+ [
+ ],
+ [
+ sprint_realloc_objid();
+ ],
+ [
+ #
+ # It worked with -lcrypto; tell
+ # them they'll need to specify
+ # --with-ssl.
+ #
+ AC_MSG_ERROR([UCD SNMP requires -lcrypto but --with-ssl not specified])
+ ])
fi
- fi
+ ])
done
+ LIBS="$ethereal_save_LIBS"
+
+ #
+ # If we didn't find "sprint_realloc_objid()", fail.
+ # Either the user needs a newer version of UCD SNMP
+ # with "sprint_realloc_objid()", or they may need to
+ # specify "--with-ssl".
+ #
+ if test "$found_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$want_ucdsnmp" = "xyes" ; then
+ AC_MSG_ERROR(Header file ucd-snmp/snmp.h not found.)
+ fi
+ ])
+])
+
+#
+# AC_ETHEREAL_RPM_CHECK
+# Looks for the rpm program, and checks to see if we can redefine "_topdir".
+#
+AC_DEFUN([AC_ETHEREAL_RPM_CHECK],
+[
+ AC_CHECK_PROG(ac_cv_ethereal_have_rpm, rpm, "yes", "no")
+ if test "x$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 $? -eq 0 ; then
+ AC_MSG_RESULT(yes)
+ HAVE_RPM=yes
+ else
+ AC_MSG_RESULT(no. You'll have to build packages manually.)
+ HAVE_RPM=no
+ fi
+ fi
+])
- if test x$ucdsnmpdir != x
+#
+# 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 $NSL_LIBS
+ )
+ else
+ AC_MSG_RESULT(not required)
+ fi
+])
+
+
+#
+# AC_ETHEREAL_KRB5_CHECK
+#
+AC_DEFUN([AC_ETHEREAL_KRB5_CHECK],
+[
+ ethereal_save_CFLAGS="$CFLAGS"
+ ethereal_save_CPPFLAGS="$CPPFLAGS"
+ if test "x$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.
+ #
+ CFLAGS="$CFLAGS -I$krb5_dir/include"
+ CPPFLAGS="$CPPFLAGS -I$krb5_dir/include"
+ ac_heimdal_version=`grep heimdal $krb5_dir/include/krb5.h | head -n 1 | sed 's/^.*heimdal.*$/HEIMDAL/'`
+ ac_mit_version=`grep 'Massachusetts Institute of Technology' $krb5_dir/include/krb5.h | head -n 1 | sed 's/^.*Massachusetts Institute of Technology.*$/MIT/'`
+ ac_krb5_version="$ac_heimdal_version$ac_mit_version"
+ if test "x$ac_krb5_version" = "xHEIMDAL"
+ KRB5_LIBS="-L$krb5_dir/lib -lkrb5 -lasn1 $SSL_LIBS -lroken -lcrypt"
+ then
+ KRB5_LIBS="-L$krb5_dir/lib -lkrb5 -lk5crypto -lcom_err"
+ fi
+ if test "x$ac_krb5_version" = "xMIT"
+ then
+ AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos])
+ fi
+ else
+ AC_PATH_PROG(KRB5_CONFIG, krb5-config)
+ if test -x "$KRB5_CONFIG"
+ then
+ KRB5_FLAGS=`"$KRB5_CONFIG" --cflags`
+ KRB5_LIBS=`"$KRB5_CONFIG" --libs`
+ CFLAGS="$CFLAGS $KRB5_FLAGS"
+ CPPFLAGS="$CPPFLAGS $KRB5_FLAGS"
+ #
+ # If -lcrypto is in KRB5_FLAGS, we require it to build
+ # with Heimdal/MIT. We don't want to built with it by
+ # default, due to annoying license incompatibilities
+ # between the OpenSSL license and the GPL, so:
+ #
+ # if SSL_LIBS is set to a non-empty string, we
+ # remove -lcrypto from KRB5_LIBS and replace
+ # it with SSL_LIBS;
+ #
+ # if SSL_LIBS is not set to a non-empty string
+ # we fail with an appropriate error message.
+ #
+ case "$KRB5_LIBS" in
+ *-lcrypto*)
+ if test ! -z "$SSL_LIBS"
+ then
+ KRB5_LIBS=`echo $KRB5_LIBS | sed 's/-lcrypto//'`
+ KRB5_LIBS="$KRB5_LIBS $SSL_LIBS"
+ else
+ AC_MSG_ERROR([Kerberos library requires -lcrypto but --with-ssl not specified])
+ fi
+ ;;
+ esac
+ ac_krb5_version=`"$KRB5_CONFIG" --version | head -n 1 | sed -e 's/^.*heimdal.*$/HEIMDAL/' -e 's/^Kerberos .*$/MIT/'`
+ 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
+ AC_MSG_RESULT(No Heimdal or MIT header found - disabling dissection for some kerberos data in packet decoding)
+ fi
+ fi
+ ])
+
+ if test "x$want_krb5" != "xno"
+ then
+ #
+ # Well, we at least have the krb5 header file.
+ # Check whether this is Heimdal or MIT.
+ #
+ AC_MSG_CHECKING(whether the Kerberos library is Heimdal or MIT)
+ if test "x$ac_krb5_version" = "xHEIMDAL" -o "x$ac_krb5_version" = "xMIT"
+ then
+ #
+ # Yes.
+ # Check whether we have krb5_kt_resolve - and whether
+ # we need to link with -lresolv when linking with
+ # the Kerberos library.
+ #
+ AC_MSG_RESULT($ac_krb5_version)
+ ethereal_save_LIBS="$LIBS"
+ found_krb5_kt_resolve=no
+ for extras in "" "-lresolv"
+ do
+ LIBS="$KRB5_LIBS $extras"
+ if test -z "$extras"
+ then
+ AC_MSG_CHECKING([whether $ac_krb5_version includes krb5_kt_resolve])
+ else
+ AC_MSG_CHECKING([whether $ac_krb5_version includes krb5_kt_resolve (linking with $extras)])
+ fi
+ AC_TRY_LINK(
+ [
+ ],
+ [
+ krb5_kt_resolve();
+ ],
+ [
+ #
+ # We found "krb5_kt_resolve()", and required
+ # the libraries in extras as well.
+ #
+ AC_MSG_RESULT(yes)
+ KRB5_LIBS="$LIBS"
+ AC_DEFINE(HAVE_KERBEROS, 1, [Define to use kerberos])
+ if test "x$ac_krb5_version" = "xHEIMDAL"
+ then
+ AC_DEFINE(HAVE_HEIMDAL_KERBEROS, 1, [Define to use heimdal kerberos])
+ fi
+ if test "x$ac_krb5_version" = "xMIT"
+ then
+ AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos])
+ fi
+ found_krb5_kt_resolve=yes
+ break
+ ],
+ [
+ AC_MSG_RESULT(no)
+ ])
+ done
+ if test "$found_krb5_kt_resolve" = no
then
- AC_MSG_RESULT(added $d to paths)
- CFLAGS="$CFLAGS -I${ucdsnmpdir}/include"
- CPPFLAGS="$CPPFLAGS -I${ucdsnmpdir}/include"
- LIBS="$LIBS -L${ucdsnmpdir}/lib"
+ #
+ # We didn't find "krb5_kt_resolve()" in the
+ # Kerberos library, even when we tried linking
+ # with -lresolv; we can't link with kerberos.
+ #
+ if test "x$want_krb5" = "xyes"
+ then
+ #
+ # The user tried to force us to use the library,
+ # but we can't do so; report an error.
+ #
+ AC_MSG_ERROR(Usable $ac_krb5_version not found)
+ else
+ #
+ # Restore the versions of CFLAGS and CPPFLAGS
+ # from before we added the flags for Kerberos.
+ #
+ AC_MSG_RESULT(Usable $ac_krb5_version not found - disabling dissection for some kerberos data in packet decoding)
+ CFLAGS="$ethereal_save_CFLAGS"
+ CPPFLAGS="$ethereal_save_CPPFLAGS"
+ KRB5_LIBS=""
+ want_krb5=no
+ fi
fi
+ LIBS="$ethereal_save_LIBS"
+ else
+ #
+ # It's not Heimdal or MIT.
+ #
+ AC_MSG_RESULT(no)
+ if test "x$want_krb5" = "xyes"
+ then
+ #
+ # The user tried to force us to use the library,
+ # but we can't do so; report an error.
+ #
+ AC_MSG_ERROR(Kerberos not found)
+ else
+ #
+ # Restore the versions of CFLAGS and CPPFLAGS
+ # from before we added the flags for Kerberos.
+ #
+ AC_MSG_RESULT(Kerberos not found - disabling dissection for some kerberos data in packet decoding)
+ CFLAGS="$ethereal_save_CFLAGS"
+ CPPFLAGS="$ethereal_save_CPPFLAGS"
+ KRB5_LIBS=""
+ want_krb5=no
+ fi
+ fi
+ else
+ #
+ # The user asked us not to use Kerberos, or they didn't
+ # say whether they wanted us to use it but we found
+ # that we couldn't.
+ #
+ # Restore the versions of CFLAGS and CPPFLAGS
+ # from before we added the flags for Kerberos.
+ #
+ CFLAGS="$ethereal_save_CFLAGS"
+ CPPFLAGS="$ethereal_save_CPPFLAGS"
+ KRB5_LIBS=""
+ want_krb5=no
fi
+ AC_SUBST(KRB5_LIBS)
])
+