File: configure.in

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tcpstat 1.5-8
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dnl Process this file with autoconf to produce a configure script.
dnl
dnl $Id: configure.in,v 1.39 2002/07/27 00:50:46 pherman Exp $
dnl

AC_INIT(src/tcpstat.c)
AM_INIT_AUTOMAKE(tcpstat, 1.5)
AM_CONFIG_HEADER(include/config.h)

dnl #########################
dnl Set Global make Variables
dnl #########################
CFLAGS=${CFLAGS:-"-O"}

dnl ###########################
dnl First, setup my own options
dnl ###########################
AC_ARG_WITH(pcap-include,
	[  --with-pcap-include=DIR pcap.h is in DIR])
if test "x${with_pcap_include}" = x -o "x${with_pcap_include}" = xno
then
# Try to make an educated guess
# Hacks for crazy Linux distributions.
#  C'mon kids get it together, woncha? I mean, base distros go in /usr
#  and everything else goes in /usr/local... sheesh.
#   Redhat	- /usr/include/pcap
#   SuSE	- /usr/include/nessus
  for pdir in /usr/include/pcap /usr/include/nessus /usr/local/include /usr/local/include/pcap
  do
    if test -r ${pdir}/pcap.h
    then CPPFLAGS="-I${pdir} "${CPPFLAGS}; break
    fi
  done
else
  CPPFLAGS=" -I${with_pcap_include} "${CPPFLAGS}
fi

AC_ARG_WITH(pcap-lib,
	[  --with-pcap-lib=DIR     libpcap.a is in DIR])
if test "x$with_pcap_lib" = x -o "x$with_pcap_lib" = xno
then
# Try to make an educated guess
  for pdir in /usr/local/lib /opt/lib /vol/lib
  do
    if test -r ${pdir}/libpcap.a
    then LDFLAGS="-L${pdir} "${LDFLAGS}; break
    fi
  done
else
  LDFLAGS=" -L${with_pcap_lib} "${LDFLAGS}
fi

AC_ARG_ENABLE(fdesc,
	[  --disable-fdesc         do this if installed setuid])
if test "x${enable_fdesc}" = xno
then AC_DEFINE(NO_FILEDESC, 1, [ Disable the ability to write to arbitrary file descriptors. ])
fi

dnl ######################################
dnl CHECK FOR VARIOUS OSES (Linux, etc...)
dnl ######################################
AC_MSG_CHECKING([to see if I can guess the OS to build for])
my_build_os=${build_os:-`uname -s | tr 'A-Z' 'a-z'`}
if test "x${my_build_os}" = x
then AC_MSG_ERROR([Can't determine OS.  Broken uname?])
else echo ${my_build_os}
fi
case $my_build_os in
	aix*)		AC_DEFINE(AIX_STRANGENESS, 1, [ defined on AIX systems. ]) ;;
	osf1*)		AC_DEFINE(TRU64_STRANGENESS, 1, [ defined on OSF systems. ]) ;;
	linux*)		AC_DEFINE(_BSD_SOURCE, 1, [ defined usually on linux systems ] ) ;;
	gnu/kfreebsd*)		AC_DEFINE(_BSD_SOURCE, 1, [ defined usually on debian kfreebsd systems ] ) ;;
	bsd/os*)	;;
	freebsd*)	;;
	sunos*)		;;
esac

dnl ###################
dnl Checks for programs
dnl ###################
AC_PROG_CC
AC_PROG_RANLIB


dnl #######################
dnl Checks for header files
dnl #######################
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(sys/time.h sys/stat.h unistd.h strings.h fcntl.h netinet/ip6.h)

dnl BSD/OS Seems to not have a good ethernet header, so we gotta wing it
AC_CHECK_HEADERS(net/if.h net/ethernet.h netinet/if_ether.h net/ppp_defs.h)

dnl #############################################################
dnl Checks for typedefs, structures, and compiler characteristics
dnl #############################################################
AC_C_CONST
AC_TYPE_SIZE_T
AC_HEADER_TIME

dnl ############################
dnl Checks for library functions
dnl ############################
AC_CHECK_FUNCS(strtol strtoul ualarm perror inet_ntop)
AC_CHECK_FUNCS(snprintf, , [
echo "WARNING:  You don't seem to have snprintf() (Solaris 2.5.x?)"
echo "          There may be a slight security problem without it."
echo "          Probably not -- but you have been warned."
])

dnl math lib?
MATHLIB=""
AC_CHECK_LIB(m, sqrt, MATHLIB="-lm")

dnl socket?  Solaris has it somewhere else.
AC_CHECK_LIB(c, socket, [:], [
 AC_CHECK_LIB(socket, socket, [
  LIBS="-lsocket ${LIBS}"
  ], []) ])

dnl gethostbyaddr?  Solaris has it somewhere else.
AC_CHECK_LIB(c, gethostbyaddr, [:], [
 AC_CHECK_LIB(nsl, gethostbyaddr, [
  LIBS="-lnsl ${LIBS}"
  ], []) ])

dnl getprotobynumber?  Solaris has it somewhere else.
dnl hope the rest is also there (getnetbyname, getservbyport, etc.)
AC_CHECK_LIB(c, getprotobynumber, [:], [
 AC_CHECK_LIB(nsl, getprotobynumber, [
  LIBS="-lnsl ${LIBS}"
  ], []) ])

dnl pcap lib?
AC_CHECK_HEADERS(net/bpf.h)
AC_CHECK_HEADERS(pcap.h, [:], [
 AC_MSG_ERROR([
  I couldn't find pcap.h.  Please install libpcap.
  If you already have... then please rerun configure with the option
    --with-pcap-include=DIR
  with "DIR" being where pcap is found.])
])

AC_CHECK_LIB(pcap, pcap_major_version, LIBS="-lpcap ${LIBS}", [
 AC_MSG_ERROR([
  I couldn't find libpcap.  Please install libpcap.
  If you already have... then please rerun configure with the option
    --with-pcap-lib=DIR
  with "DIR" being where libpcap is found.])
])

dnl look for dbopen for tcpprof
TCPPROF=""
LD_TCPPROF=""
AC_CHECK_LIB(c, db_create, [ TCPPROF=tcpprof ], [
 AC_CHECK_LIB(db, db_create, [
  TCPPROF=tcpprof
  LD_TCPPROF="-ldb"
  ], [
  AC_MSG_WARN([

  *** WARNING ***
  I couldn't locate the Berkeley DB library.  The extra utility
  "tcpprof" will not be built.  THIS IS OK!!!  "tcpstat" will
  continue to be built as if this never happened.

  If you wish to use the extra "tcpprof" program, please install
  the Berkeley DB library from:
      ftp://ftp.cs.berkeley.edu/ucb/4bsd/db.tar.gz
    ])
  ])
])
AC_SUBST(TCPPROF)
AC_SUBST(LD_TCPPROF)
AC_SUBST(MATHLIB)

AC_CONFIG_FILES([
Makefile
doc/Makefile
lib/Makefile
src/Makefile
])
AC_OUTPUT