path: root/configure.ac

#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ(2.61)
AC_INIT([rsyslog],[3.17.5],[rsyslog@lists.adiscon.com])
AM_INIT_AUTOMAKE
AC_CONFIG_SRCDIR([syslogd.c])
AC_CONFIG_HEADERS([config.h])

AC_GNU_SOURCE

# Checks for programs.
AC_PROG_CC
AM_PROG_CC_C_O
if test "$GCC" = "yes"
then CFLAGS="$CFLAGS -W -Wall -Wformat-security -Wshadow -Wcast-align -Wpointer-arith -Wmissing-format-attribute -g"
fi
AC_DISABLE_STATIC
AC_PROG_LIBTOOL
AC_CANONICAL_HOST

case "${host}" in
  *-*-linux*)
    os_type="linux"
  ;;
  *-*-*darwin*|*-*-freebsd*|*-*-netbsd*|*-*-openbsd*)
    AC_DEFINE([OS_BSD], [1], [Indicator for a BSD OS])
    os_type="bsd"
  ;;
esac

AC_DEFINE_UNQUOTED([HOSTENV], "$host", [the host environment, can be queried via a system variable])

# Checks for libraries.
save_LIBS=$LIBS
LIBS=
AC_SEARCH_LIBS(clock_gettime, rt)
rt_libs=$LIBS
LIBS=
AC_SEARCH_LIBS(dlopen, dl)
dl_libs=$LIBS
LIBS=$save_LIBS

AC_SUBST(rt_libs)
AC_SUBST(dl_libs)

# Checks for header files.
AC_HEADER_RESOLV
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS([arpa/inet.h libgen.h fcntl.h locale.h netdb.h netinet/in.h paths.h stddef.h stdlib.h string.h sys/file.h sys/ioctl.h sys/param.h sys/socket.h sys/time.h sys/stat.h syslog.h unistd.h utmp.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_MODE_T
AC_TYPE_UID_T
AC_TYPE_UINT8_T
AC_HEADER_TIME
AC_STRUCT_TM
AC_C_VOLATILE

sa_includes="\
$ac_includes_default
#if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
"
AC_CHECK_MEMBERS([struct sockaddr.sa_len],,,[$sa_includes])

# Checks for library functions.
AC_FUNC_CHOWN
AC_FUNC_FORK
AC_PROG_GCC_TRADITIONAL
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_FUNC_SELECT_ARGTYPES
AC_TYPE_SIGNAL
AC_FUNC_STAT
AC_FUNC_STRERROR_R
AC_FUNC_VPRINTF
AC_CHECK_FUNCS([flock basename alarm clock_gettime gethostbyname gethostname gettimeofday localtime_r memset mkdir regcomp select setid socket strcasecmp strchr strdup strerror strndup strnlen strrchr strstr strtol strtoul uname ttyname_r])

# Check for MAXHOSTNAMELEN
AC_MSG_CHECKING(for MAXHOSTNAMELEN)
AC_TRY_COMPILE([
	#include <sys/param.h>
	], [
	return MAXHOSTNAMELEN;
	]
	,
	AC_MSG_RESULT(yes)
	,
	# note: we use 1024 here, which should be far more than needed by any system. If that's too low, we simply
	# life with the need to change it. Most of the code doesn't need it anyways, but there are a few places 
	# where it actually is needed and it makes no sense to change them.
	AC_DEFINE(MAXHOSTNAMELEN, 1024, [Define with a value if your <sys/param.h> does not define MAXHOSTNAMELEN])
	AC_MSG_RESULT(no; defined as 64)
)

# Large file support
AC_ARG_ENABLE(largefile,
        [AS_HELP_STRING([--enable-largefile],[Enable large file support @<:@default=yes@:>@])],
        [case "${enableval}" in
         yes) enable_largefile="yes" ;;
          no) enable_largefile="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-largefile) ;;
         esac],
        [enable_largefile="yes"]
)
if test "$enable_largefile" = "no"; then
        AC_DEFINE(NOLARGEFILE, 1, [Defined when large file support is disabled.])
fi

# Regular expressions
AC_ARG_ENABLE(regexp,
        [AS_HELP_STRING([--enable-regexp],[Enable regular expressions support @<:@default=yes@:>@])],
        [case "${enableval}" in
         yes) enable_regexp="yes" ;;
          no) enable_regexp="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-regexp) ;;
         esac],
        [enable_regexp=yes]
)
AM_CONDITIONAL(ENABLE_REGEXP, test x$enable_regexp = xyes)
if test "$enable_regexp" = "yes"; then
        AC_DEFINE(FEATURE_REGEXP, 1, [Regular expressions support enabled.])
fi

# zlib compression
AC_ARG_ENABLE(zlib,
        [AS_HELP_STRING([--enable-zlib],[Enable zlib compression  support @<:@default=yes@:>@])],
        [case "${enableval}" in
         yes) enable_zlib="yes" ;;
          no) enable_zlib="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-zlib) ;;
         esac],
        [enable_zlib=yes]
)
if test "$enable_zlib" = "yes"; then
	AC_CHECK_HEADER(zlib.h, [zlib_header="yes"], [zlib_header="no" enable_zlib="false"])
	if test "$zlib_header" = "yes"; then
		AC_CHECK_LIB(z, deflate,
                        [AC_DEFINE(USE_NETZIP, 1, [Define if you want to enable zlib support]) 
                         zlib_libs="-lz"
                         AC_SUBST(zlib_libs)], enable_zlib="false")
	fi
fi

#gssapi
AC_ARG_ENABLE(gssapi_krb5,
	[AS_HELP_STRING([--enable-gssapi-krb5],[Enable GSSAPI Kerberos 5 support @<:@default=no@:>@])],
        [case "${enableval}" in
         yes) want_gssapi_krb5="yes" ;;
          no) want_gssapi_krb5="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-gssapi-krb5) ;;
         esac],
	[want_gssapi_krb5=no]
)
if test $want_gssapi_krb5 = yes; then
	AC_CHECK_LIB(gssapi_krb5, gss_acquire_cred, [
		AC_CHECK_HEADER(gssapi/gssapi.h, [
			AC_DEFINE(USE_GSSAPI,,
				  Define if you want to use GSSAPI)
			gss_libs="-lgssapi_krb5"
			AC_SUBST(gss_libs)
		])
	])
fi
AM_CONDITIONAL(ENABLE_GSSAPI, test x$want_gssapi_krb5 = xyes)

# multithreading via pthreads
AC_ARG_ENABLE(pthreads,
        [AS_HELP_STRING([--enable-pthreads],[Enable multithreading via pthreads @<:@default=yes@:>@])],
        [case "${enableval}" in
         yes) enable_pthreads="yes" ;;
          no) enable_pthreads="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-pthreads) ;;
         esac],
        [enable_pthreads=yes]
)

if test "x$enable_pthreads" = "xno"; then
	AC_MSG_ERROR(rsyslog v3 does no longer support single threading mode -- use a previous version for that);
fi

if test "x$enable_pthreads" != "xno"; then
  AC_CHECK_HEADERS(
    [pthread.h],
    [
      AC_CHECK_LIB(
        [pthread],
        [pthread_create],
        [
          AC_DEFINE([USE_PTHREADS], [1], [Multithreading support enabled.])
          pthreads_libs="-lpthread"
          pthreads_cflags="-pthread"
          AC_SUBST(pthreads_libs)
          AC_SUBST(pthreads_cflags)
        ],
        [AC_MSG_FAILURE([pthread is missing])],
        [-lpthread]
      )
    ],
    [AC_MSG_FAILURE([pthread is missing])]
  )
fi

# klog
AC_ARG_ENABLE(klog,
        [AS_HELP_STRING([--enable-klog],[Integrated klog functionality @<:@default=yes@:>@])],
        [case "${enableval}" in
         yes) enable_klog="yes" ;;
          no) enable_klog="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-klog) ;;
         esac],
        [enable_klog="yes"]
)
AM_CONDITIONAL(ENABLE_IMKLOG, test x$enable_klog = xyes)
AM_CONDITIONAL(ENABLE_IMKLOG_BSD, test x$os_type = xbsd)
AM_CONDITIONAL(ENABLE_IMKLOG_LINUX, test x$os_type = xlinux)

#
# SYSLOG_UNIXAF
#
AC_MSG_CHECKING(for SYSLOG_UNIXAF support)
AC_ARG_ENABLE([unix],
  [AS_HELP_STRING([--disable-unix], [Disable support for unix])],
  [
    if test "x${enableval}" = "xyes"; then
      AC_MSG_RESULT([yes])
      AC_DEFINE([SYSLOG_UNIXAF], [1], [Description])
    else
      AC_MSG_RESULT([no])
    fi
  ],
  [
    # enabled by default
    AC_MSG_RESULT([yes])
    AC_DEFINE([SYSLOG_UNIXAF], [1], [Description])
  ])

# inet
AC_ARG_ENABLE(inet,
        [AS_HELP_STRING([--enable-inet],[Enable networking support @<:@default=yes@:>@])],
        [case "${enableval}" in
         yes) enable_inet="yes" ;;
          no) enable_inet="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-inet) ;;
         esac],
        [enable_inet="yes"]
)
AM_CONDITIONAL(ENABLE_INET, test x$enable_inet = xyes)
if test "$enable_inet" = "yes"; then
        AC_DEFINE(SYSLOG_INET, 1, [network support is integrated.])
fi

#
# The following define determines whether the package adheres to the
# file system standard.
#
AC_MSG_CHECKING(for FSSTND support)
AC_ARG_ENABLE([fsstnd],
  [AS_HELP_STRING([--disable-fsstnd], [Disable support for FSSTND])],
  [
    if test "x${enableval}" = "xyes"; then
      AC_MSG_RESULT([yes])
      AC_DEFINE([FSSTND], [1], [Description])
    else
      AC_MSG_RESULT([no])
    fi
  ],
  [
    # enabled by default
    AC_MSG_RESULT([yes])
    AC_DEFINE([FSSTND], [1], [Description])
  ])

# debug
AC_ARG_ENABLE(debug,
        [AS_HELP_STRING([--enable-debug],[Enable debug mode @<:@default=no@:>@])],
        [case "${enableval}" in
         yes) enable_debug="yes" ;;
          no) enable_debug="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-debug) ;;
         esac],
        [enable_debug="no"]
)
if test "$enable_debug" = "yes"; then
        AC_DEFINE(DEBUG, 1, [Defined if debug mode is enabled (its easier to check).])
fi
if test "$enable_debug" = "no"; then
        AC_DEFINE(NDEBUG, 1, [Defined if debug mode is disabled.])
fi

# runtime instrumentation
AC_ARG_ENABLE(rtinst,
        [AS_HELP_STRING([--enable-rtinst],[Enable runtime instrumentation mode @<:@default=no@:>@])],
        [case "${enableval}" in
         yes) enable_rtinst="yes" ;;
          no) enable_rtinst="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-rtinst) ;;
         esac],
        [enable_rtinst="no"]
)
if test "$enable_rtinst" = "yes"; then
        AC_DEFINE(RTINST, 1, [Defined if runtime instrumentation mode is enabled.])
fi

# valgrind
AC_ARG_ENABLE(valgrind,
        [AS_HELP_STRING([--enable-valgrind],[Enable valgrind support settings @<:@default=no@:>@])],
        [case "${enableval}" in
         yes) enable_valgrind="yes" ;;
          no) enable_valgrind="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-valgrind) ;;
         esac],
        [enable_valgrind="no"]
)
if test "$enable_valgrind" = "yes"; then
        AC_DEFINE(VALGRIND, 1, [Defined if valgrind support settings are to be enabled (e.g. prevents dlclose()).])
fi



# MySQL support
AC_ARG_ENABLE(mysql,
        [AS_HELP_STRING([--enable-mysql],[Enable MySql database support @<:@default=no@:>@])],
        [case "${enableval}" in
         yes) enable_mysql="yes" ;;
          no) enable_mysql="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-mysql) ;;
         esac],
        [enable_mysql=no]
)
if test "x$enable_mysql" = "xyes"; then
  AC_CHECK_HEADERS(
    [mysql/mysql.h],,
    [AC_MSG_FAILURE([MySQL is missing])]
  )
  AC_CHECK_PROG(
    [HAVE_MYSQL_CONFIG],
    [mysql_config],
    [yes],,,
  )
  if test "x${HAVE_MYSQL_CONFIG}" != "xyes"; then
    AC_MSG_FAILURE([mysql_config not found in PATH])
  fi
  AC_CHECK_LIB(
    [mysqlclient],
    [mysql_init],
    [mysql_cflags=`mysql_config --cflags`
     mysql_libs=`mysql_config --libs`
    ],
    [AC_MSG_FAILURE([MySQL library is missing])],
    [`mysql_config --libs`]
  )
fi
AM_CONDITIONAL(ENABLE_MYSQL, test x$enable_mysql = xyes)
AC_SUBST(mysql_cflags)
AC_SUBST(mysql_libs)


# PostgreSQL support
AC_ARG_ENABLE(pgsql,
        [AS_HELP_STRING([--enable-pgsql],[Enable PostgreSQL database support @<:@default=no@:>@])],
        [case "${enableval}" in
         yes) enable_pgsql="yes" ;;
          no) enable_pgsql="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-pgsql) ;;
         esac],
        [enable_pgsql=no]
)
if test "x$enable_pgsql" = "xyes"; then
  AC_CHECK_PROG(
    [HAVE_PGSQL_CONFIG],
    [pg_config],
    [yes],,,
  )
  if test "x${HAVE_PGSQL_CONFIG}" != "xyes"; then
    AC_MSG_FAILURE([pg_config not found in PATH])
  fi
  AC_CHECK_LIB(
    [pq],
    [PQconnectdb],
    [pgsql_cflags="-I`pg_config --includedir`"
     pgsql_libs="-L`pg_config --libdir` -lpq"
    ],
    [AC_MSG_FAILURE([PgSQL library is missing])],
    [-L`pg_config --libdir`]
  )
fi
AM_CONDITIONAL(ENABLE_PGSQL, test x$enable_pgsql = xyes)
AC_SUBST(pgsql_cflags)
AC_SUBST(pgsql_libs)


# libdbi support
AC_ARG_ENABLE(libdbi,
        [AS_HELP_STRING([--enable-libdbi],[Enable libdbi database support @<:@default=no@:>@])],
        [case "${enableval}" in
         yes) enable_libdbi="yes" ;;
          no) enable_libdbi="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-libdbi) ;;
         esac],
        [enable_libdbi=no]
)
if test "x$enable_libdbi" = "xyes"; then
  AC_CHECK_HEADERS(
    [dbi/dbi.h],,
    [AC_MSG_FAILURE([libdbi is missing])]
  )
  AC_CHECK_LIB(
    [dbi],
    [dbi_initialize],
    [libdbi_cflags=""
     libdbi_libs="-ldbi"
    ],
    [AC_MSG_FAILURE([libdbi library is missing])]
  )
  AC_CHECK_LIB(
    [dbi],
    [dbi_initialize_r],
    [AC_DEFINE([HAVE_DBI_R], [1], [Define to 1 if libdbi supports the new plugin-safe interface])]
  )
fi
AM_CONDITIONAL(ENABLE_OMLIBDBI, test x$enable_libdbi = xyes)
AC_SUBST(libdbi_cflags)
AC_SUBST(libdbi_libs)


# SNMP support
AC_ARG_ENABLE(snmp,
        [AS_HELP_STRING([--enable-snmp],[Enable SNMP support @<:@default=no@:>@])],
        [case "${enableval}" in
         yes) enable_snmp="yes" ;;
          no) enable_snmp="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-snmp) ;;
         esac],
        [enable_snmp=no]
)
if test "x$enable_snmp" = "xyes"; then
  AC_CHECK_HEADERS(
    [net-snmp/net-snmp-config.h],,
    [AC_MSG_FAILURE([Net-SNMP is missing])]
  )
  AC_CHECK_LIB(
    [netsnmp],
    [snmp_timeout],
    [snmp_cflags=""
     snmp_libs="-lnetsnmp"
    ],
    [AC_MSG_FAILURE([Net-SNMP library is missing])]
  )
fi
AM_CONDITIONAL(ENABLE_SNMP, test x$enable_snmp = xyes)
AC_SUBST(snmp_cflags)
AC_SUBST(snmp_libs)


# support for NOT building rsyslogd (useful for source-based packaging systems)
AC_ARG_ENABLE(rsyslogd,
        [AS_HELP_STRING([--enable-rsyslogd],[Build rsyslogd @<:@default=yes@:>@])],
        [case "${enableval}" in
         yes) enable_rsyslogd="yes" ;;
          no) enable_rsyslogd="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-rsyslogd) ;;
         esac],
        [enable_rsyslogd=yes]
)
AM_CONDITIONAL(ENABLE_RSYSLOGD, test x$enable_rsyslogd = xyes)


# Mail support (so far we do not need a library, but we need to turn this on and off)
AC_ARG_ENABLE(mail,
        [AS_HELP_STRING([--enable-mail],[Enable mail support @<:@default=no@:>@])],
        [case "${enableval}" in
         yes) enable_mail="yes" ;;
          no) enable_mail="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-mail) ;;
         esac],
        [enable_mail=no]
)
AM_CONDITIONAL(ENABLE_MAIL, test x$enable_mail = xyes)


# RELP support
AC_ARG_ENABLE(relp,
        [AS_HELP_STRING([--enable-relp],[Enable RELP support @<:@default=no@:>@])],
        [case "${enableval}" in
         yes) enable_relp="yes" ;;
          no) enable_relp="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-relp) ;;
         esac],
        [enable_relp=no]
)
if test "x$enable_relp" = "xyes"; then
	PKG_CHECK_MODULES(RELP, relp >= 0.1.1)
fi
AM_CONDITIONAL(ENABLE_RELP, test x$enable_relp = xyes)
AC_SUBST(RELP_CFLAGS)
AC_SUBST(RELP_LIBS)

# RFC 3195 support
# WARNING: THIS IS NOT REALLY PRESENT YET - needs to be build manually!
AC_ARG_ENABLE(rfc3195,
        [AS_HELP_STRING([--enable-rfc3195],[Enable RFC3195 support @<:@default=no@:>@])],
        [case "${enableval}" in
         yes) enable_rfc3195="yes" ;;
          no) enable_rfc3195="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-rfc3195) ;;
         esac],
        [enable_rfc3195=no]
)
if test "x$enable_rfc3195" = "xyes"; then
  AC_CHECK_HEADERS(
    [librfc3195.h],,
    [AC_MSG_FAILURE([RFC3195 library is missing (no headers)])]
  )
# I don't know how to tell that librfc3195 needs -lrt, so I disable
# this check for now - the header check should work well enough...
# rgerhards, 2008-03-25
#  AC_CHECK_LIB(
#    [rfc3195],
#    [rfc3195EngineGetVersion],
#    [rfc3195_cflags=""
     rfc3195_libs="-lrfc3195"
#    ],
#    [AC_MSG_FAILURE([RFC3195 library is missing])]
#  )
fi
AM_CONDITIONAL(ENABLE_RFC3195, test x$enable_rfc3195 = xyes)
AC_SUBST(rfc3195_cflags)
AC_SUBST(rfc3195_libs)


# settings for the template input module; copy and modify this code
# if you intend to add your own module. Be sure to replace imtemplate
# by the actual name of your module.
AC_ARG_ENABLE(imfile,
        [AS_HELP_STRING([--enable-imfile],[file input module enabled @<:@default=no@:>@])],
        [case "${enableval}" in
         yes) enable_imfile="yes" ;;
          no) enable_imfile="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-imfile) ;;
         esac],
        [enable_imfile=no]
)
#
# you may want to do some library checks here - see snmp, mysql, pgsql modules
# for samples
#
AM_CONDITIONAL(ENABLE_IMFILE, test x$enable_imfile = xyes)

AM_CONDITIONAL(ENABLE_IMTEMPLATE, test x$enable_imtemplate = xyes)
# end of copy template - be sure to serach for imtemplate to find everything!
# settings for the template input module; copy and modify this code
# if you intend to add your own module. Be sure to replace imtemplate
# by the actual name of your module.
AC_ARG_ENABLE(imtemplate,
        [AS_HELP_STRING([--enable-imtemplate],[Compiles imtemplate template module @<:@default=no@:>@])],
        [case "${enableval}" in
         yes) enable_imtemplate="yes" ;;
          no) enable_imtemplate="no" ;;
           *) AC_MSG_ERROR(bad value ${enableval} for --enable-imtemplate) ;;
         esac],
        [enable_imtemplate=no]
)
#
# you may want to do some library checks here - see snmp, mysql, pgsql modules
# for samples
#
AM_CONDITIONAL(ENABLE_IMTEMPLATE, test x$enable_imtemplate = xyes)
# end of copy template - be sure to serach for imtemplate to find everything!


AC_CONFIG_FILES([Makefile \
		doc/Makefile \
		plugins/imudp/Makefile \
		plugins/imtcp/Makefile \
		plugins/imgssapi/Makefile \
		plugins/imuxsock/Makefile \
		plugins/immark/Makefile \
		plugins/imklog/Makefile \
		plugins/imtemplate/Makefile \
		plugins/imfile/Makefile \
		plugins/imrelp/Makefile \
		plugins/omtesting/Makefile \
		plugins/omgssapi/Makefile \
		plugins/ommysql/Makefile \
		plugins/ompgsql/Makefile \
		plugins/omrelp/Makefile \
		plugins/omlibdbi/Makefile \
		plugins/ommail/Makefile \
		plugins/omsnmp/Makefile])
AC_OUTPUT

echo "****************************************************"
echo "rsyslog will be compiled with the following settings:"
echo
echo "Multithreading support enabled:           $enable_pthreads"
echo "Klog functionality enabled:               $enable_klog ($os_type)"
echo "Regular expressions support enabled:      $enable_regexp"
echo "Zlib compression support enabled:         $enable_zlib"
echo "MySql support enabled:                    $enable_mysql"
echo "libdbi support enabled:                   $enable_libdbi"
echo "PostgreSQL support enabled:               $enable_pgsql"
echo "SNMP support enabled:                     $enable_snmp"
echo "Mail support enabled:                     $enable_mail"
echo "RELP support enabled:                     $enable_relp"
echo "file input module enabled:                $enable_imfile"
echo "input template module will be compiled:   $enable_imtemplate"
echo "Large file support enabled:               $enable_largefile"
echo "Networking support enabled:               $enable_inet"
echo "Enable GSSAPI Kerberos 5 support:         $want_gssapi_krb5"
echo "Debug mode enabled:                       $enable_debug"
echo "Runtime Instrumentation enabled:          $enable_rtinst"
echo "valgrind support settings enabled:        $enable_valgrind"
echo "rsyslogd will be built:                   $enable_rsyslogd"