dnl Macros that test for specific features.
-dnl This file is part of Autoconf.
-dnl Copyright (C) 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
+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 1.35 2001/09/28 05:41:44 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
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 AC_STRUCT_ST_BLKSIZE extracted from the file in qustion,
+dnl AC_STRUCT_ST_BLKSIZE extracted from the file in question,
dnl "acspecific.m4" in GNU Autoconf 2.12, and turned into
dnl AC_ETHEREAL_STRUCT_SA_LEN, which checks if "struct sockaddr"
dnl has the 4.4BSD "sa_len" member, and defines HAVE_SA_LEN; that's
dnl what's in this file.
-dnl Done by Guy Harris <guy@netapp.com> on 1998-11-14.
+dnl Done by Guy Harris <guy@alum.mit.edu> on 1998-11-14.
dnl ### Checks for structure members
fi
])
-
#
# AC_ETHEREAL_IPV6_STACK
#
# By Jun-ichiro "itojun" Hagino, <itojun@iijlab.net>
-
+#
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; 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 $CFLAGS"])
+ ;;
esac
if test "$v6type" != "unknown"; then
break
AC_MSG_RESULT(["$v6type, $v6lib"])
])
+#
+# AC_ETHEREAL_GETHOSTBY_LIB_CHECK
+#
+# Checks whether we need "-lnsl" to get "gethostby*()", which we use
+# 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,
+ # 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)
+ if test $ac_cv_func_gethostbyname = no; then
+ AC_CHECK_LIB(nsl, gethostbyname, NSL_LIBS="-lnsl")
+ fi
+ 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)
+ if test $ac_cv_func_connect = no; then
+ AC_CHECK_LIB(socket, connect, SOCKET_LIBS="-lsocket",
+ AC_MSG_ERROR(Function 'socket' not found.), $NSL_LIBS)
+ fi
+ AC_SUBST(SOCKET_LIBS)
+])
+
#
# 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"
- fi
- done
+ if test -z "$pcap_dir"
+ then
+ #
+ # The user didn't specify a directory in which libpcap resides;
+ # we assume that the current library search path will work,
+ # but we may have to look for the header in a "pcap"
+ # subdirectory of "/usr/include" or "/usr/local/include",
+ # as some systems apparently put "pcap.h" in a "pcap"
+ # subdirectory, and we also check "$prefix/include".
+ #
+ # 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
+ do
+ if test -d $pcap_dir ; then
+ CFLAGS="$CFLAGS -I$pcap_dir"
+ CPPFLAGS="$CPPFLAGS -I$pcap_dir"
+ found_pcap_dir=" $found_pcap_dir -I$pcap_dir"
+ fi
+ done
- if test "$found_pcap_dir" != "" ; then
- AC_MSG_RESULT(found --$found_pcap_dir added to LIBS and CFLAGS)
+ if test "$found_pcap_dir" != "" ; then
+ AC_MSG_RESULT(found --$found_pcap_dir added to CFLAGS)
+ else
+ AC_MSG_RESULT(not found)
+ fi
else
- AC_MSG_RESULT(not found)
+ #
+ # 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 checks
+ # 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.))
- AC_CHECK_LIB(pcap, pcap_open_offline,, AC_MSG_ERROR(Library libpcap not found.))
+
+ #
+ # 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.),
+ $SOCKET_LIBS $NSL_LIBS)
+ AC_SUBST(PCAP_LIBS)
+])
+
+#
+# AC_ETHEREAL_PCAP_VERSION_CHECK
+#
+# Check whether "pcap_version" is defined by libpcap.
+#
+AC_DEFUN(AC_ETHEREAL_PCAP_VERSION_CHECK,
+[
+ AC_MSG_CHECKING(whether pcap_version is defined by libpcap)
+ ac_save_LIBS="$LIBS"
+ LIBS="$PCAP_LIBS $SOCKET_LIBS $NSL_LIBS $LIBS"
+ AC_TRY_LINK([],
+ [
+char *
+return_pcap_version(void)
+{
+ extern char pcap_version[];
+
+ return 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 "$ac_cv_pcap_version_defined" = yes ; then
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_PCAP_VERSION)
+ else
+ AC_MSG_RESULT(no)
+ fi
])
#
#
AC_DEFUN(AC_ETHEREAL_ZLIB_CHECK,
[
- AC_CHECK_HEADER(zlib.h,,enable_zlib=no)
- AC_CHECK_LIB(z, gzopen,,enable_zlib=no)
+ #
+ # Make sure we have "zlib.h". If we don't, it means we probably
+ # don't have zlib, so don't use it.
+ #
+ AC_CHECK_HEADER(zlib.h,,enable_zlib=no)
+
+ if test x$enable_zlib != xno
+ then
+ #
+ # Well, we at least have the zlib header file.
+ #
+ # Check for "gzseek()" 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()".
+ #
+ AC_CHECK_LIB(z, gzseek,,enable_zlib=no)
+ fi
])
#
for d in $ucdsnmp_user_dir $prefix
do
- AC_MSG_CHECKING($d)
-
- if test x$d != x/usr/local && test -f $d/include/ucd-snmp/snmp.h
+ if test x$d != xNONE
then
- AC_MSG_RESULT(found ucd-snmp in $d)
- ucdsnmpdir=$d
- break
+ 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
done
if test x$ucdsnmpdir != x
then
AC_MSG_RESULT(added $d to paths)
- CFLAGS="$CFLAGS -I${ucdsnmpdir}/include/ucdsnmp"
- LIBS="$LIBS -L${ucdsnmpdir}/lib"
+ CFLAGS="$CFLAGS -I${ucdsnmpdir}/include"
+ CPPFLAGS="$CPPFLAGS -I${ucdsnmpdir}/include"
+ AC_ETHEREAL_ADD_DASH_L(LDFLAGS, ${ucdsnmpdir}/lib)
fi
fi
])
+
+#
+# AC_ETHEREAL_SSL_CHECK
+#
+AC_DEFUN(AC_ETHEREAL_SSL_CHECK,
+[
+ want_ssl=defaultyes
+
+ AC_ARG_WITH(ssl,
+ [ --with-ssl=DIR use SSL crypto library, located in directory DIR.], [
+ if test "x$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
+ AC_CHECK_LIB(crypto, EVP_md5,
+ [
+ SSL_LIBS=-lcrypto
+ ],,
+ )
+
+ else
+ AC_MSG_RESULT(not required)
+ fi
+
+])
git.samba.org / obnox / wireshark / wip.git / blobdiff