configure.ac

   1 #                                               -*- Autoconf -*-
   2 # Process this file with autoconf to produce a configure script.
   3
   4 AC_PREREQ(2.61)
   5 AC_INIT(lldpd, 0.2.1, bernat@luffy.cx)
   6 AM_INIT_AUTOMAKE([foreign])
   7 AC_CONFIG_SRCDIR([src/lldpd.c])
   8 AC_CONFIG_HEADER([config.h])
   9 AC_CONFIG_FILES([Makefile src/Makefile man/Makefile])
  10
  11 # Checks for programs.
  12 AC_PROG_CC
  13
  14 # Checks for libraries.
  15 AC_ARG_WITH(snmp,
  16   AC_HELP_STRING(
  17     [--with-snmp],
  18     [Enable the use of SNMP]
  19   ),
  20   [],
  21   [with_snmp=no]
  22 )
  23 AM_CONDITIONAL([USE_SNMP], [test "${with_snmp}" != "no"])
  24
  25 AC_ARG_WITH(privsep-user,
  26         AC_HELP_STRING([--with-privsep-user],
  27                        [Which user to use for privilege separation]),
  28         AC_DEFINE_UNQUOTED([PRIVSEP_USER], "$withval", [User for privilege separation]),
  29         AC_DEFINE_UNQUOTED([PRIVSEP_USER], "_lldpd", [User for privilege separation]))
  30 AC_ARG_WITH(privsep-group,
  31         AC_HELP_STRING([--with-privsep-group],
  32                        [Which group to use for privilege separation]),
  33         AC_DEFINE_UNQUOTED([PRIVSEP_GROUP], "$withval", [Group for privilege separation]),
  34         AC_DEFINE_UNQUOTED([PRIVSEP_GROUP], "_lldpd", [Group for privilege separation]))
  35 AC_ARG_WITH(privsep-chroot,
  36         AC_HELP_STRING([--with-privsep-chroot],
  37                        [Which directory to use to chroot lldpd]),
  38         AC_DEFINE_UNQUOTED([PRIVSEP_CHROOT], "$withval", [Chroot directory]),
  39         AC_DEFINE_UNQUOTED([PRIVSEP_CHROOT], "/var/run/lldpd", [Chroot directory]))
  40
  41 # Checks for header files.
  42 AC_CHECK_DECLS([TAILQ_FIRST, TAILQ_NEXT, TAILQ_FOREACH, TAILQ_EMPTY],[],[],[[#include <sys/queue.h>]])
  43 AC_CHECK_DECLS([PACKET_ORIGDEV],[],[],[[#include <linux/if_packet.h>]])
  44 AC_CHECK_DECLS([ADVERTISED_2500baseX_Full],[],[],[[#include <linux/ethtool.h>]])
  45 AC_CHECK_DECLS([ETHERTYPE_VLAN],[],[],[[#include <net/ethernet.h>]])
  46
  47 # Checks for typedefs, structures, and compiler characteristics.
  48 AC_C_CONST
  49 AC_CHECK_TYPES([int16_t, u_int16_t, int8_t, u_int8_t, int32_t, u_int32_t],[],[AC_MSG_ERROR([mandatory type not found])])
  50 AC_CHECK_MEMBERS([netsnmp_tdomain.f_create_from_tstring_new],,,
  51         [
  52 #include <net-snmp/net-snmp-config.h>
  53 #include <net-snmp/net-snmp-includes.h>
  54 #include <net-snmp/library/snmp_transport.h>
  55 ])
  56
  57 # Checks for library functions.
  58 AC_REPLACE_FUNCS([strlcpy])
  59
  60 AC_PROG_GCC_TRADITIONAL
  61
  62 ## NetSNMP
  63 NETSNMP_CONFIG=No
  64 if test "${with_snmp}" != "no"; then
  65       AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], No)
  66 fi
  67 if test x"${NETSNMP_CONFIG}" != xNo; then
  68    NETSNMP_libs=`${NETSNMP_CONFIG} --agent-libs`
  69
  70    AC_CHECK_LIB([netsnmp], [snmp_register_callback],
  71        AC_DEFINE_UNQUOTED([HAVE_NETSNMP], 1, [Define to indicate the Net-SNMP library])
  72        AC_DEFINE_UNQUOTED([USE_SNMP], 1, [Define to indicate to enable SNMP support]),
  73        [], ${NETSNMP_libs})
  74
  75    if test "${ac_cv_lib_netsnmp_snmp_register_callback}" = "yes"; then
  76       AC_SUBST([NETSNMP_LIB],"${NETSNMP_libs}")
  77    fi
  78 fi
  79 if test "${with_snmp}" != "no"; then
  80    if test "${ac_cv_lib_netsnmp_snmp_register_callback}" != "yes"; then
  81          AC_MSG_NOTICE([***])
  82          AC_MSG_NOTICE([*** net-snmp libraries not found])
  83          AC_MSG_NOTICE([*** Either correct the installation, or run configure])
  84          AC_MSG_NOTICE([*** including --without-snmp])
  85          exit 1
  86    fi
  87 fi
  88
  89 AC_OUTPUT