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 1.41 2002/02/02 21:07:40 guy Exp $
+dnl $Id: acinclude.m4,v 1.67 2003/12/19 01:36:01 guy Exp $
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
#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 $ac_cv_ethereal_struct_sa_len = yes; then
- AC_DEFINE(HAVE_SA_LEN)
+ AC_DEFINE(HAVE_SA_LEN, 1, [Define if sa_len field exists in struct sockaddr])
fi
])
[
if test -z "$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 "$prefix/include".
+ # subdirectory, and we also check "$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=""
- for pcap_dir in /usr/include/pcap /usr/local/include/pcap $prefix/include
+ for pcap_dir in /usr/include/pcap $prefix/include/pcap $prefix/include /usr/local/include/pcap
do
if test -d $pcap_dir ; then
- CFLAGS="$CFLAGS -I$pcap_dir"
- CPPFLAGS="$CPPFLAGS -I$pcap_dir"
+ if test x$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
AC_ETHEREAL_ADD_DASH_L(LDFLAGS, $pcap_dir/lib)
fi
- # Pcap header 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.))
+ # 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)
- ], AC_MSG_ERROR(Library libpcap not found.),
+ AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
+ ], [AC_MSG_ERROR(Library libpcap not found.)],
$SOCKET_LIBS $NSL_LIBS)
AC_SUBST(PCAP_LIBS)
-])
-#
-# AC_ETHEREAL_PCAP_VERSION_CHECK
-#
-# Check whether "pcap_version" is defined by libpcap.
-#
-AC_DEFUN(AC_ETHEREAL_PCAP_VERSION_CHECK,
-[
- AC_MSG_CHECKING(whether pcap_version is defined by libpcap)
+ #
+ # Check whether various variables and functions are defined by
+ # libpcap.
+ #
ac_save_LIBS="$LIBS"
+ AC_MSG_CHECKING(whether pcap_version is defined by libpcap)
LIBS="$PCAP_LIBS $SOCKET_LIBS $NSL_LIBS $LIBS"
- AC_TRY_LINK([],
+ AC_TRY_LINK(
[
-char *
-return_pcap_version(void)
-{
- extern char pcap_version[];
-
- return pcap_version;
-}
+# 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... $ac_c"])
- LIBS="$ac_save_LIBS"
if test "$ac_cv_pcap_version_defined" = yes ; then
AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_PCAP_VERSION)
+ AC_DEFINE(HAVE_PCAP_VERSION, 1, [Define if libpcap version is known])
else
AC_MSG_RESULT(no)
fi
+ AC_CHECK_FUNCS(pcap_findalldevs pcap_lib_version pcap_open_dead)
+ AC_CHECK_FUNCS(pcap_datalink_val_to_name pcap_datalink_name_to_val)
+ AC_CHECK_FUNCS(pcap_list_datalinks pcap_set_datalink)
+ LIBS="$ac_save_LIBS"
])
#
#
AC_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, $zlib_dir/lib)
+ fi
+
#
# Make sure we have "zlib.h". If we don't, it means we probably
# don't have zlib, so don't use it.
#
- AC_CHECK_HEADER(zlib.h,,enable_zlib=no)
+ AC_CHECK_HEADER(zlib.h,,
+ [
+ if test "x$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$want_zlib" = "xyes"
+ then
+ #
+ # The user tried to force us to use the library, but we
+ # couldn't find the header file; report an error.
+ #
+ AC_MSG_ERROR(Header file zlib.h not found.)
+ else
+ #
+ # We couldn't find the header file; don't use the
+ # library, as it's probably not present.
+ #
+ want_zlib=no
+ fi
+ fi
+ ])
- if test x$enable_zlib != xno
+ if test "x$want_zlib" != "xno"
then
#
# Well, we at least have the zlib header file.
#
- # Check for "gzseek()" in zlib, because we need it, but
+ # Check for "gzgets()" in zlib, because we need it, but
# some older versions of zlib don't have it. It appears
# from the zlib ChangeLog that any released version of zlib
- # with "gzseek()" should have the other routines we
- # depend on, such as "gztell()", and "zError()".
- # (I think they may also get "gzgets()", in which case
- # we can get rid of our own private "gzgets()"
- # implementation, as any zlib that's adequate for our
- # purposes will have "gzgets()".)
- #
- AC_CHECK_LIB(z, gzseek,,enable_zlib=no)
+ # with "gzgets()" should have the other routines we
+ # depend on, such as "gzseek()", "gztell()", and "zError()".
+ #
+ # Another reason why we require "gzgets()" is that
+ # some versions of zlib that didn't have it, such
+ # as 1.0.8, had a bug in "gzseek()" that meant that it
+ # doesn't work correctly on uncompressed files; this
+ # means we cannot use version 1.0.8. (Unfortunately,
+ # that's the version that comes with recent X11 source,
+ # and many people who install XFree86 on their Slackware
+ # boxes don't realize that they should configure it to
+ # use the native zlib rather than building and installing
+ # the crappy old version that comes with XFree86.)
+ #
+ # I.e., we can't just avoid using "gzgets()", as
+ # versions of zlib without "gzgets()" are likely to have
+ # a broken "gzseek()".
+ #
+ AC_CHECK_LIB(z, gzgets,
+ [
+ if test "x$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="$ethereal_save_LIBS"
+ fi
+ want_zlib=no
+ ])
fi
- if test x$enable_zlib != xno
+ if test "x$want_zlib" != "xno"
then
#
# Well, we at least have the zlib header file and a zlib
- # with "gzseek()".
+ # with "gzgets()".
#
- # Now check for "gzseek()" in zlib when linking with the
+ # Now check for "gzgets()" in zlib when linking with the
# linker flags for GTK+ applications; people often grab
# XFree86 source and build and install it on their systems,
# and they appear sometimes to misconfigure XFree86 so that,
# own zlib in the X11 library directory.
#
# The XFree86 zlib is an older version that lacks
- # "gzseek()", and that's the zlib with which Ethereal
+ # "gzgets()", and that's the zlib with which Ethereal
# gets linked, so the build of Ethereal fails.
#
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $GTK_CFLAGS"
LIBS="$GTK_LIBS -lz $LIBS"
- AC_MSG_CHECKING([for gzseek missing when linking with X11])
- AC_TRY_LINK_FUNC(gzseek, AC_MSG_RESULT(no),
+ AC_MSG_CHECKING([for gzgets missing when linking with X11])
+ AC_TRY_LINK_FUNC(gzgets, AC_MSG_RESULT(no),
[
AC_MSG_RESULT(yes)
AC_MSG_ERROR(old zlib found when linking with X11 - get rid of old zlib.)
])
#
-# AC_ETHEREAL_UCDSNMP_CHECK
+# AC_ETHEREAL_LIBPCRE_CHECK
#
-AC_DEFUN(AC_ETHEREAL_UCDSNMP_CHECK,
+AC_DEFUN(AC_ETHEREAL_LIBPCRE_CHECK,
[
- want_ucdsnmp=yes
+ if test "x$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$pcre_dir/lib"
+ fi
+
+ #
+ # Make sure we have "pcre.h". If we don't, it means we probably
+ # don't have libpcre, so don't use it.
+ #
+ AC_CHECK_HEADER(pcre.h,,
+ [
+ if test "x$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
+ ])
- AC_ARG_WITH(ucdsnmp,
- [ --with-ucdsnmp=DIR use UCD SNMP client library, located in directory DIR.], [
- if test $withval = no
+ if test "x$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 $prefix
+ #
+ # Check for one of the UCD SNMP header files we include,
+ # to see whether we have UCD SNMP installed.
+ #
+ AC_CHECK_HEADER(ucd-snmp/ucd-snmp-config.h,
+ [
+ #
+ # UCD SNMP or Net-SNMP might require various helper
+ # libraries on various platforms, such as "-ldes425"
+ # in "/usr/kerberos/lib" on some versions of Red
+ # Hat Linux, or "-lkstat" on Solaris.
+ # XXX - it may also require "-lcrypto" on some platforms;
+ # we should check for that as well, rather than requiring
+ # users to explicitly indicate whether it's required.
+ #
+ # XXX - autoconf really needs a way to test for
+ # a given routine in a given library *and* to test
+ # whether additional "-L"/"-R"/whatever flags are
+ # needed *before* the "-l" flag for the library
+ # and to test whether additional libraries are
+ # needed after the library *and* to cache all that
+ # information.
+ #
+ for extras in "" "-L/usr/kerberos/lib -ldes425" "-lkstat"
do
- if test x$d != xNONE
- then
- AC_MSG_CHECKING($d for ucd-snmp)
-
- if test x$d != x/usr/local && test -f $d/include/ucd-snmp/snmp.h
- then
- AC_MSG_RESULT(found)
- ucdsnmpdir=$d
- break
- else
- AC_MSG_RESULT(not found)
- fi
- fi
+ 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 $extras)
done
- if test x$ucdsnmpdir != x
- then
- AC_MSG_RESULT(added $d to paths)
- CFLAGS="$CFLAGS -I${ucdsnmpdir}/include"
- CPPFLAGS="$CPPFLAGS -I${ucdsnmpdir}/include"
- AC_ETHEREAL_ADD_DASH_L(LDFLAGS, ${ucdsnmpdir}/lib)
+ #
+ # If we didn't find "sprint_realloc_objid()", fail.
+ # Either the user needs a newer version of UCD SNMP
+ # with "sprint_realloc_objid()", or they may need to
+ # specify "--with-ssl".
+ #
+ if test "$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$want_ucdsnmp" = "xyes" ; then
+ AC_MSG_ERROR(Header file ucd-snmp/snmp.h not found.)
fi
- fi
+ ])
])
#
want_ssl=defaultyes
AC_ARG_WITH(ssl,
- [ --with-ssl=DIR use SSL crypto library, located in directory DIR.], [
+changequote(<<, >>)dnl
+<< --with-ssl[=DIR] use SSL crypto library (located in directory DIR, if supplied). [default=yes, if present]>>,
+changequote([, ])dnl
+ [
if test "x$withval" = "xno"; then
want_ssl=no
elif test "x$withval" = "xyes"; then
HAVE_GNU_SED=no
fi
])
+
+#
+# AC_ETHEREAL_ADNS_CHECK
+#
+AC_DEFUN(AC_ETHEREAL_ADNS_CHECK,
+[
+ want_adns=defaultyes
+
+ AC_ARG_WITH(adns,
+changequote(<<, >>)dnl
+<< --with-adns[=DIR] use GNU ADNS (located in directory DIR, if supplied). [default=yes, if present]>>,
+changequote([, ])dnl
+ [
+ if test "x$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
+])
git.samba.org / obnox / wireshark / wip.git / blobdiff