configure.in

# Process this file with autoconf to produce a configure script.
AC_INIT
AC_CANONICAL_HOST

AC_CONFIG_SRCDIR([bandwidthd.c])
AC_CONFIG_HEADER([config.h])

MAJOR_VERSION=2
MINOR_VERSION=0
RELEASE_VERSION=2
EXTRA_VERSION=".IPv6"
VERSION="$MAJOR_VERSION.$MINOR_VERSION.$RELEASE_VERSION$EXTRA_VERSION"

# Checks for programs.
AC_PROG_YACC
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_LEX




use_pgsql=no
AC_PATH_PROG(PG_CONFIG, pg_config)


if test x$enable_pgsql = xyes ; then
  if test "x$PG_CONFIG" = "x" ; then
    echo "*** Couldn't find pg_config. Disabling PostgreSQL support."
  else
    LDFLAGS="$LDFLAGS -L`$PG_CONFIG --libdir` -lpq"

    pgsql_cflags=`$PG_CONFIG --includedir`
    if test "x$pgsql_cflags" != "x/usr/include" ; then
      CPPFLAGS="$CPPFLAGS -I$pgsql_cflags"
    fi
     
    use_pgsql=yes
    AC_DEFINE(HAVE_LIBPQ, 1, "Enable PostgreSQL compiletime option")
  fi
fi



# May be required for libgd on bsd
AC_PATH_X
if test -n "$x_libraries" && test "x$x_libraries" != xNONE ; then
	LDFLAGS="$LDFLAGS -L$x_libraries"
fi

# May be equired for BSD
LDFLAGS="$LDFLAGS -L/usr/local/lib"

CPPFLAGS="$CPPFLAGS -I/usr/local/include"

#Check for Darwin sw directory
AC_CHECK_FILE(/sw/lib, LDFLAGS="$LDFLAGS -L/sw/lib")
AC_CHECK_FILE(/sw/include, CPPFLAGS="$CPPFLAGS -I/sw/include")

#Check for NetBSD usr/pkg directory
AC_CHECK_FILE(/usr/pkg/lib, LDFLAGS="$LDFLAGS -L/usr/pkg/lib")
AC_CHECK_FILE(/usr/pkg/include, CPPFLAGS="$CPPFLAGS -I/usr/pkg/include")

# Required for solaris
AC_CHECK_LIB(socket, connect)
AC_CHECK_LIB(nsl, gethostbyname)
AC_CHECK_LIB(resolv, inet_aton)

# Required for openbsd png library
AC_CHECK_LIB(m, pow)

# Required for gd under netbsd
AC_CHECK_LIB(iconv, libiconv_open)

# Required Libraries
AC_CHECK_LIB(png, png_read_info, ,[AC_MSG_ERROR([Bandwidthd requires but cannot libpng])])
AC_CHECK_LIB(gd, gdImageCreate, ,[AC_MSG_ERROR([Bandwidthd requires but cannot find libgd])])
AC_CHECK_LIB(pcap, pcap_open_live, ,
	[AC_CHECK_LIB(wpcap, pcap_open_live, ,[AC_MSG_ERROR([Bandwidthd requires but cannot find libpcap])])])

# Optional Library
AC_CHECK_FILE(/usr/local/pgsql/lib, LDFLAGS="$LDFLAGS -L/usr/local/pgsql/lib")
AC_CHECK_FILE(/usr/local/pgsql/include, CPPFLAGS="$CPPFLAGS -I/usr/local/pgsql/include")
AC_CHECK_LIB(pq, PQconnectdb,
	[AC_CHECK_LIB(pq,PQexecParams, ,AC_MSG_WARN([libpq exists but is too old... bandwidthd requires support for PQexecParams]))])

AC_CHECK_LIB(sqlite3, sqlite3_open, ,AC_MSG_WARN([sqlite3 is recommended for storage of data but cannot be found]))

# Checks for header files.
AC_HEADER_DIRENT

AC_CHECK_HEADERS([gd.h],,
	[AC_CHECK_HEADERS([gd/gd.h],,
		AC_MSG_ERROR([Bandwidthd cannot find gd.h]))])

AC_CHECK_HEADERS(gdfonts.h,,
	[AC_CHECK_HEADERS(gd/gdfonts.h,,
		AC_MSG_ERROR([Bandwidthd cannot find gdfonts.h]))])

AC_CHECK_HEADERS([pcap.h],,
	[AC_MSG_ERROR([Bandwidthd cannot find pcap.h])])

AC_CHECK_HEADERS([arpa/inet.h errno.h netdb.h netinet/in.h stddef.h stdlib.h string.h sys/socket.h sys/time.h sys/wait.h syslog.h unistd.h],,
	[AC_MSG_ERROR([Bandwidthd cannot find some header files])])


#Headers missing on cygwin
AC_CHECK_HEADERS([arpa/nameser.h])
AC_CHECK_HEADERS([resolv.h],,,
	[#include <netinet/in.h>
	#include <arpa/nameser.h>])


# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_STRUCT_TM

TCPHDR_SPORT="undefined"
AC_CHECK_MEMBER(struct tcphdr.source,TCPHDR_SPORT="source",,[#include "bandwidthd.h"])
AC_CHECK_MEMBER(struct tcphdr.th_sport,TCPHDR_SPORT="th_sport",,[#include "bandwidthd.h"])
if test "$TCPHDR_SPORT" = "undefined" ; then
	AC_MSG_ERROR([Could not determine souce port field name for tcphdr structure])
fi
AC_DEFINE_UNQUOTED(TCPHDR_SPORT,$TCPHDR_SPORT,[source port field name in tcphdr])

TCPHDR_DPORT="undefined"
AC_CHECK_MEMBER(struct tcphdr.dest,TCPHDR_DPORT="dest",,[#include "bandwidthd.h"])
AC_CHECK_MEMBER(struct tcphdr.th_dport,TCPHDR_DPORT="th_dport",,[#include "bandwidthd.h"])
if test "$TCPHDR_DPORT" = "undefined" ; then
	AC_MSG_ERROR([Could not determine dest port field name for tcphdr structure])
fi
AC_DEFINE_UNQUOTED(TCPHDR_DPORT,$TCPHDR_DPORT,[dest port field name in tcphdr])


# Checks for library functions.
AC_FUNC_MALLOC
AC_HEADER_STDC
AC_FUNC_MKTIME
AC_TYPE_SIGNAL
AC_FUNC_STAT
AC_CHECK_FUNCS([alarm gethostbyaddr inet_ntoa memset strdup strftime pcap_findalldevs])


# Set directory names
AC_ARG_WITH([htdocs-dir], AC_HELP_STRING([--with-htdocs-dir=DIR], [Sets default htdocs directory.  Default is LOCALSTATEDIR/bandwidthd/htdocs]),
	htdocs_dir=${with_htdocs_dir},
	htdocs_dir="${localstatedir}/bandwidthd/htdocs")
AC_ARG_WITH([log-dir], AC_HELP_STRING([--with-log-dir=DIR], [Sets default cdf log directory.  Default is LOCALSTATEDIR/bandwidthd]),
	log_dir=${with_log_dir},
	log_dir="${localstatedir}/bandwidthd")
AC_ARG_WITH([extension-dir], AC_HELP_STRING([--with-extension-dir=DIR], [Sets default extension directory.  Default is LOCALSTATEDIR/bandwidthd/extensions]),
	extension_dir=${with_extension_dir},
	extension_dir="${localstatedir}/bandwidthd/extensions")
config_file="${sysconfdir}/bandwidthd.conf"
AC_DEFINE_DIR(CONFIG_FILE, config_file, [Name of bandwidthd.conf])
AC_DEFINE_DIR(LOG_DIR, log_dir, [Name of log directory])
AC_DEFINE_DIR(HTDOCS_DIR, htdocs_dir, [Name of htdocs directory])
AC_DEFINE_DIR(EXTENSION_DIR, extension_dir, [Name of the extensions directory])

AC_ARG_ENABLE([pgsql], AC_HELP_STRING([--enable-pgsql],
	[Enable PostgreSQL support. Default is yes, if available.]),
	enable_pgsql="$enableval", enable_pgsql=yes)



AC_ARG_ENABLE([python], AC_HELP_STRING([--enable-python],
	[Enable Python support. Default is yes, if available.]),
	enable_python="$enableval", enable_python=yes)

HAVEPYTHON=0
if test $enable_python != "no" ; then
	if test -n HAVEPYTHON && test `which python2.7-config` != "" ; then
		PYTHON=`which python2.7`
		LDFLAGS="$LDFLAGS `python2.7-config --libs`"
		CPPFLAGS="$CPPFLAGS `python2.7-config --includes`"
		PYTHON_VERSION="2.7"
		HAVEPYTHON=1
		echo "checking for python2.7... yes"
	else
		echo "checking for python2.7... no"
		if test -n HAVEPYTHON && test `which python2.6-config` != "" ; then
			PYTHON=`which python2.6`
			LDFLAGS="$LDFLAGS `python2.6-config --libs`"
			CPPFLAGS="$CPPFLAGS `python2.6-config --includes`"
			PYTHON_VERSION="2.6"
			HAVEPYTHON=1
			echo echo "checking for python2.6... yes"
		else
			echo "checking for python2.6... no"
	
			if test -n HAVEPYTHON && test `which python2.5-config` != "" ; then
				PYTHON=`which python2.5`
				LDFLAGS="$LDFLAGS `python5-config --libs`"
				CPPFLAGS="$CPPFLAGS `python5-config --includes`"
				PYTHON_VERSION="2.5"
				HAVEPYTHON=1
				echo echo "checking for python2.5... yes"
			else
				echo "checking for python2.5... no"
	
				if test -n HAVEPYTHON && test `which python-config` != "" ; then
					PYTHON=`which python`
					LDFLAGS="$LDFLAGS `python-config --libs`"
					CPPFLAGS="$CPPFLAGS `python-config --includes`"
					PYTHON_VERSION=`$PYTHON -c "import sys; \
									print sys.version[[:3]]"`
					HAVEPYTHON=1
					echo "checking for python... $PYTHON_VERSION"
					AC_MSG_WARN([Python version not supported, but using anyway])
				else
					echo "checking for python... no"
				fi
			fi
		fi
	fi
fi


if test "$HAVEPYTHON" = "1" ; then
	AC_DEFINE_UNQUOTED(HAVE_PYTHON, 1, "Enable Python compiletime option")
	AC_DEFINE_UNQUOTED(PYTHON_VERSION, $PYTHON_VERSION, "Set version of python")
fi


AC_OUTPUT(Makefile)