configure.in

Windows XP下的抓包程序实现

	AC_MSG_WARN(cannot determine packet capture interface)
	AC_MSG_WARN((see the INSTALL doc for more info))
	;;

esac

AC_MSG_CHECKING(whether we have /proc/net/dev)
if test -r /proc/net/dev ; then
	ac_cv_lbl_proc_net_dev=yes
else
	ac_cv_lbl_proc_net_dev=no
fi
if test $ac_cv_lbl_proc_net_dev = yes; then
	AC_DEFINE(HAVE_PROC_NET_DEV, 1, [define if you have a /proc/net/dev])
fi
AC_MSG_RESULT($ac_cv_lbl_proc_net_dev)

# Check for Endace DAG card support.
AC_ARG_WITH([dag], [  --with-dag[[=DIR]]        include Endace DAG support ("yes", "no" or DIR; default="yes" on BSD and Linux if present)],
[
	if test "$withval" = no
	then
		# User doesn't want DAG support.
		want_dag=no
	elif test "$withval" = yes
	then
		# User wants DAG support but hasn't specified a directory.
		want_dag=yes
	else
		# User wants DAG support and has specified a directory, so use the provided value.
		want_dag=yes
		dag_root=$withval
	fi
],[
	#
	# Use DAG API if present, otherwise don't
	#
	want_dag=ifpresent
])

AC_ARG_WITH([dag-includes], [  --with-dag-includes=DIR   Endace DAG include directory],
[
	# User wants DAG support and has specified a header directory, so use the provided value.
	want_dag=yes
	dag_include_dir=$withval
],[])

AC_ARG_WITH([dag-libraries], [  --with-dag-libraries=DIR  Endace DAG library directory],
[
	# User wants DAG support and has specified a library directory, so use the provided value.
	want_dag=yes
	dag_lib_dir=$withval
],[])

case "$V_PCAP" in
linux|bpf|dag)
	#
	# We support the DAG API if we're on Linux or BSD, or if we're
	# building a DAG-only libpcap.
	#
	;;
*)
	#
	# If the user explicitly requested DAG, tell them it's not
	# supported.
	#
	# If they expressed no preference, don't include it.
	#
	if test $want_dag = yes; then
		AC_MSG_ERROR([DAG support is only available with 'linux' 'bpf' and 'dag' packet capture types])
	elif test $want_dag = yes; then
		want_dag=no
	fi
	;;
esac

ac_cv_lbl_dag_api=no
if test "$want_dag" != no; then

	AC_MSG_CHECKING([whether we have DAG API headers])

	# If necessary, set default paths for DAG API headers and libraries.
	if test -z "$dag_root"; then
	    dag_root=/usr/local
	fi

	if test -z "$dag_include_dir"; then
		dag_include_dir="$dag_root/include"
	fi

	if test -z "$dag_lib_dir"; then
	    dag_lib_dir="$dag_root/lib"
	fi
	
	if test -z "$dag_tools_dir"; then
	    dag_tools_dir="$dag_root/tools"
		fi

	if test -r $dag_include_dir/dagapi.h; then
		ac_cv_lbl_dag_api=yes
	fi
	AC_MSG_RESULT([$ac_cv_lbl_dag_api ($dag_include_dir)])
fi

if test $ac_cv_lbl_dag_api = yes; then

	AC_MSG_CHECKING([dagapi.o])	
	dagapi_obj=no
	if test -r $dag_tools_dir/dagapi.o; then
		# 2.4.x.
		dagapi_obj=$dag_tools_dir/dagapi.o
	elif test -r $dag_lib_dir/dagapi.o; then
		# 2.5.x.
		dagapi_obj=$dag_lib_dir/dagapi.o
	elif test -r $dag_lib_dir/libdag.a; then
		# 2.5.x.
		ar x $dag_lib_dir/libdag.a dagapi.o
		if test -r ./dagapi.o; then
		    dagapi_obj=./dagapi.o
		fi
	fi

	if test $dagapi_obj = no; then
		AC_MSG_RESULT([no (checked $dag_lib_dir  $dag_tools_dir  $dag_lib_dir/libdag.a)])
			ac_cv_lbl_dag_api=no
	else
		AC_MSG_RESULT([yes ($dagapi_obj)])
	fi
fi

if test $ac_cv_lbl_dag_api = yes; then

	AC_MSG_CHECKING([dagopts.o])	
	dagopts_obj=no
	if test -r $dag_tools_dir/dagopts.o; then
		# 2.4.x.
		dagopts_obj=$dag_tools_dir/dagopts.o
	elif test -r $dag_lib_dir/dagopts.o; then
		# 2.5.x.
		dagopts_obj=$dag_lib_dir/dagopts.o
	elif test -r $dag_lib_dir/libdag.a; then
		# 2.5.x.
		ar x $dag_lib_dir/libdag.a dagopts.o
		if test -r ./dagopts.o; then
		    dagopts_obj=./dagopts.o
		fi
	fi

	if test $dagopts_obj = no; then
		AC_MSG_RESULT([no (checked $dag_lib_dir  $dag_tools_dir  $dag_lib_dir/libdag.a)])
		ac_cv_lbl_dag_api=no
	else
		AC_MSG_RESULT([yes ($dagopts_obj)])
	fi
fi

if test $ac_cv_lbl_dag_api = yes; then
	# Under 2.5.x only we need to add dagreg.o.
	if test -r $dag_include_dir/dagreg.h; then
		AC_MSG_CHECKING([dagreg.o])	
		dagreg_obj=no
		if test -r $dag_lib_dir/dagreg.o; then
			# Object file is ready and waiting.
			dagreg_obj=$dag_lib_dir/dagreg.o
		elif test -r $dag_lib_dir/libdag.a; then
			# Extract from libdag.a.
			ar x $dag_lib_dir/libdag.a dagreg.o
			if test -r ./dagreg.o; then
				dagreg_obj=./dagreg.o
			fi
		fi

		if test $dagreg_obj = no; then
			AC_MSG_RESULT([no (checked $dag_lib_dir  $dag_lib_dir/libdag.a)])
			ac_cv_lbl_dag_api=no
		else
			AC_MSG_RESULT([yes ($dagreg_obj)])
		fi
	fi
fi

if test $ac_cv_lbl_dag_api = yes; then
	V_INCLS="$V_INCLS -I$dag_include_dir"
	V_LIBS="$V_LIBS $dagapi_obj $dagopts_obj $dagreg_obj"
	if test $V_PCAP != dag ; then
		 SSRC="pcap-dag.c"
	fi

	# See if we can find a general version string.
	# Don't need to save and restore LIBS to prevent -ldag being
	# included if there's a found-action (arg 3).
	saved_ldflags=$LDFLAGS
	LDFLAGS="-L$dag_lib_dir"
	AC_CHECK_LIB([dag], [dag_attach_stream], [dag_version="2.5.x"], [dag_version="2.4.x"])
	AC_CHECK_LIB([dag],[dag_get_erf_types], [
		AC_DEFINE(HAVE_DAG_GET_ERF_TYPES, 1, [define if you have dag_get_erf_types()])]
	)
	LDFLAGS=$saved_ldflags

	if test "$dag_version" = 2.5.x; then
		AC_DEFINE(HAVE_DAG_STREAMS_API, 1, [define if you have streams capable DAG API])
	fi

	# See if we can find a specific version string.
	AC_MSG_CHECKING([the DAG API version])
	if test -r "$dag_root/VERSION"; then
		dag_version="`cat $dag_root/VERSION`"
	fi
	AC_MSG_RESULT([$dag_version])
	AC_DEFINE(HAVE_DAG_API, 1, [define if you have the DAG API])
fi

if test $ac_cv_lbl_dag_api = no; then
	if test "$want_dag" = yes; then
        	# User wanted DAG support but we couldn't find it.
		AC_MSG_ERROR([DAG API requested, but not found at $dag_root: use --without-dag])
	fi

	if test "$V_PCAP" = dag; then
		# User requested "dag" capture type but the DAG API wasn't
		# found.
		AC_MSG_ERROR([Specifying the capture type as "dag" requires the DAG API to be present; use the --with-dag options to specify the location. (Try "./configure --help" for more information.)])
	fi
fi

AC_ARG_WITH(septel, [  --with-septel[[=DIR]]     include Septel support (located in directory DIR, if supplied).  [default=yes, on Linux, if present]],
[
	if test "$withval" = no
	then
		want_septel=no
	elif test "$withval" = yes
	then
		want_septel=yes
		septel_root=
	else
		want_septel=yes
		septel_root=$withval
	fi
],[
	#
	# Use Septel API if present, otherwise don't
	#
	want_septel=ifpresent
	septel_root=./../septel
])
ac_cv_lbl_septel_api=no
case "$V_PCAP" in
linux|septel)
	#
	# We support the Septel API if we're on Linux, or if we're building
	# a Septel-only libpcap.
	#
	;;
*)
	#
	# If the user explicitly requested Septel, tell them it's not
	# supported.
	#
	# If they expressed no preference, don't include it.
	#
	if test $want_septel = yes; then
		AC_MSG_ERROR(Septel support only available with 'linux' and 'septel' packet capture types)
	elif test $want_septel = yes; then
		want_septel=no
	fi
	;;
esac

if test "$with_septel" != no; then
	AC_MSG_CHECKING(whether we have Septel API)

	if test -z "$septel_root"; then
		septel_root=$srcdir/../septel

	fi

	septel_tools_dir="$septel_root"
	septel_include_dir="$septel_root/INC"
	DEF="-DHAVE_SEPTEL_API"

	ac_cv_lbl_septel_api=no
	if test -r "$septel_include_dir/msg.h"; then
		V_INCLS="$V_INCLS -I$septel_include_dir"
		V_DEFS="$V_DEFS $DEF"
		V_LIBS="$V_LIBS $septel_tools_dir/asciibin.o $septel_tools_dir/bit2byte.o $septel_tools_dir/confirm.o $septel_tools_dir/fmtmsg.o $septel_tools_dir/gct_unix.o $septel_tools_dir/hqueue.o $septel_tools_dir/ident.o $septel_tools_dir/mem.o $septel_tools_dir/pack.o $septel_tools_dir/parse.o $septel_tools_dir/pool.o $septel_tools_dir/sdlsig.o $septel_tools_dir/strtonum.o $septel_tools_dir/timer.o $septel_tools_dir/trace.o "

		if test "$V_PCAP" != septel ; then
			 SSRC="pcap-septel.c"

		fi
		ac_cv_lbl_septel_api=yes
	fi

	AC_MSG_RESULT($ac_cv_lbl_septel_api)
	if test $ac_cv_lbl_septel_api = no; then
		if test "$want_septel" = yes; then
			AC_MSG_ERROR(Septel API not found under directory $septel_root; use --without-septel)
		fi
	else
		AC_DEFINE(HAVE_SEPTEL_API, 1, [define if you have a Septel API])
	fi
fi

if test "$V_PCAP" = septel -a "$ac_cv_lbl_septel_api" = no; then
	AC_MSG_ERROR(Specifying the capture type as 'septel' requires the Septel API to be present; use --with-septel=DIR)
fi


AC_LBL_LEX_AND_YACC(V_LEX, V_YACC, pcap_)
if test "$V_LEX" = lex ; then
# Some versions of lex can't handle the definitions section of scanner.l .
# Try lexing it and complain if it can't deal.
	AC_CACHE_CHECK([for capable lex], tcpdump_cv_capable_lex,
		if lex -t scanner.l > /dev/null 2>&1; then
			tcpdump_cv_capable_lex=yes
		else
			tcpdump_cv_capable_lex=insufficient
		fi)
	if test $tcpdump_cv_capable_lex = insufficient ; then
		AC_MSG_ERROR([Your operating system's lex is insufficient to compile
 libpcap.  flex is a lex replacement that has many advantages, including
 being able to compile libpcap.  For more information, see
 http://www.gnu.org/software/flex/flex.html .])
	fi
fi

DYEXT="so"
case "$host_os" in

aix*)
	dnl Workaround to enable certain features
	AC_DEFINE(_SUN,1,[define on AIX to get certain functions])
	;;

hpux9*)
	AC_DEFINE(HAVE_HPUX9,1,[on HP-UX 9.x])
	;;

hpux10.0*)
	;;

hpux10.1*)
	;;

hpux*)
	dnl HPUX 10.20 and above is similar to HPUX 9, but
	dnl not the same....
	dnl
	dnl XXX - DYEXT should be set to "sl" if this is building
	dnl for 32-bit PA-RISC, but should be left as "so" for
	dnl 64-bit PA-RISC or, I suspect, IA-64.
	AC_DEFINE(HAVE_HPUX10_20_OR_LATER,1,[on HP-UX 10.20 or later])
	;;

sinix*)
	AC_MSG_CHECKING(if SINIX compiler defines sinix)
	AC_CACHE_VAL(ac_cv_cc_sinix_defined,
		AC_TRY_COMPILE(
		    [],
		    [int i = sinix;],
		    ac_cv_cc_sinix_defined=yes,
		    ac_cv_cc_sinix_defined=no))
	    AC_MSG_RESULT($ac_cv_cc_sinix_defined)
	    if test $ac_cv_cc_sinix_defined = no ; then
		    AC_DEFINE(sinix,1,[on sinix])
	    fi
	;;

solaris*)
	AC_DEFINE(HAVE_SOLARIS,1,[On solaris])
	;;

darwin*)
	DYEXT="dylib"
	V_CCOPT="$V_CCOPT -fno-common"
	;;
esac

AC_PROG_RANLIB

AC_LBL_DEVEL(V_CCOPT)

AC_LBL_SOCKADDR_SA_LEN

AC_LBL_SOCKADDR_STORAGE

AC_LBL_HP_PPA_INFO_T_DL_MODULE_ID_1

AC_LBL_UNALIGNED_ACCESS

#
# Makefile.in includes rules to generate version.h, so we assume
# that it will be generated if autoconf is used.
#
AC_DEFINE(HAVE_VERSION_H, 1, [define if version.h is generated in the build procedure])

rm -f net
ln -s ${srcdir}/bpf/net net

AC_SUBST(V_CCOPT)
AC_SUBST(V_DEFS)
AC_SUBST(V_INCLS)
AC_SUBST(V_LIBS)
AC_SUBST(V_LEX)
AC_SUBST(V_PCAP)
AC_SUBST(V_FINDALLDEVS)
# HAVE_REMOTE
AC_SUBST(V_HAVE_REMOTE)
AC_SUBST(V_REMOTE_FILES)
# END HAVE_REMOTE
AC_SUBST(V_RANLIB)
AC_SUBST(V_YACC)
AC_SUBST(SSRC)
AC_SUBST(DYEXT)

AC_PROG_INSTALL

AC_CONFIG_HEADER(config.h)

AC_OUTPUT(Makefile)

if test -f .devel ; then
	make depend
fi
exit 0