File: configure.in

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ulogd 0.97-1
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dnl Process this file with autoconf to produce a configure script.
AC_INIT(ulogd.c)

dnl Checks for programs.
AC_PROG_MAKE_SET
AC_PROG_CC
AC_PROG_INSTALL

dnl Checks for libraries.
AC_CHECK_LIB(dl, dlopen)

dnl Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h unistd.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
AC_STRUCT_TM

dnl Checks for library functions.
AC_FUNC_VPRINTF
AC_CHECK_FUNCS(socket strerror)

DATABASE_DIR=""
DATABASE_LIB=""
DATABASE_LIB_DIR=""

DATABASE_DRIVERS=""

dnl
dnl test for MySQL
dnl
AC_ARG_WITH(mysql,
 --with-mysql=<directory>		mysql installed in <directoty>,[
if test $withval != yes
then
        dir=$withval
else
        dir="/usr/local"
fi
mysqldir=""
AC_MSG_CHECKING(for MySQL files)
for d in $dir /usr /usr/local /usr/local/mysql /opt/mysql /opt/packages/mysql
do
        if test -f $d/lib/mysql/libmysqlclient.so
        then
                AC_MSG_RESULT(found mysql in $d)
                mysqldir=$d
                mysqldir_suffix=/mysql
                break
        fi
        if test -f $d/lib/libmysqlclient.so
        then
                AC_MSG_RESULT(found mysql in $d)
                mysqldir=$d
                mysqldir_suffix=
                break
        fi
done

if test x$mysqldir = x
then
        AC_MSG_WARN(MySQL backend not used)
else
        AC_DEFINE(HAVE_MYSQL)
        MYSQLINCLUDES=${mysqldir}/include${mysqldir_suffix}
        MYSQLLIBS=${mysqldir}/lib${mysqldir_suffix}

	DATABASE_DIR="${DATABASE_DIR} mysql"

	DATABASE_LIB="${DATABASE_LIB} -lmysqlclient " 
	DATABASE_LIB_DIR="${DATABASE_LIB_DIR} -L${MYSQLLIBS} "

	DATABASE_DRIVERS="${DATABASE_DRIVERS} ../mysql/mysql_driver.o "

	DB_DEF="${DB_DEF} -DHAVE_MYSQL "


	AC_SUBST(MYSQLINCLUDES)

        if test -f $MYSQLLIBS/libmystrings.so
        then
                DATABASE_LIB="${DATABASE_LIB} -lmystrings "
        else
                MYSQLEXTRALIBS=
        fi

	dnl Here we check whether we have an old MySQL client library
	dnl installed, which does not support the mysql_real_escape_string(),
	dnl but the real_escape_string() function.
	dnl Having a look in the libary itself should be more reliable than
	dnl parsing the output of mysql --version.

	AC_MSG_CHECKING(for mysql_real_escape_string support)

	MYSQL_FUNCTION_TEST=`strings ${MYSQLLIBS}/libmysqlclient.so | grep mysql_real_escape_string`

	if test "x$MYSQL_FUNCTION_TEST" = x
	then
                EXTRA_MYSQL_DEF="OLD_MYSQL=1 "
                AC_MSG_RESULT(found old MySQL)
	else
		AC_MSG_RESULT(found new MySQL)
	fi

fi      
])      

dnl
dnl Check whether the user wants log IP-addresses as strings rather
dnl than as unsigned long-integers to his MySQL-database. Since this
dnl feature is only used in ulogd_MYSQL.c, there are no checks in any
dnl way.
dnl

AC_ARG_WITH(mysql-log-ip-as-string,
 --with-mysql-log-ip-as-string		log IPs as string rather than as
					unsigned long-integer.
,[
   EXTRA_MYSQL_DEF="${EXTRA_MYSQL_DEF} -DIP_AS_STRING=1"
   AC_MSG_WARN(the use of --with-mysql-log-ip-as-string is discouraged)
])

AC_SUBST(DATABASE_DIR)
AC_SUBST(DATABASE_LIB)
AC_SUBST(DATABASE_LIB_DIR)
AC_SUBST(DB_DEF)
AC_SUBST(EXTRA_MYSQL_DEF)

AC_SUBST(DATABASE_DRIVERS)

AM_CONDITIONAL(HAVE_MYSQL, test x$mysqldir != x)


AC_OUTPUT(extensions/Makefile doc/Makefile conffile/Makefile libipulog/Makefile mysql/Makefile Makefile Rules.make)