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, 0.1, 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_DECL([PACKET_ORIGDEV],[],[],[[#include <linux/if_packet.h>]])
  44 AC_CHECK_DECL([ADVERTISED_2500baseX_Full],[],[],[[#include <linux/ethtool.h>]])
  45
  46 # Checks for typedefs, structures, and compiler characteristics.
  47 AC_C_CONST
  48 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])])
  49
  50 # Checks for library functions.
  51 AC_REPLACE_FUNCS([strlcpy])
  52
  53 AC_PROG_GCC_TRADITIONAL
  54
  55 ## NetSNMP
  56 NETSNMP_CONFIG=No
  57 if test "${with_snmp}" != "no"; then
  58       AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], No)
  59 fi
  60 if test x"${NETSNMP_CONFIG}" != xNo; then
  61    NETSNMP_libs=`${NETSNMP_CONFIG} --agent-libs`
  62
  63    AC_CHECK_LIB([netsnmp], [snmp_register_callback],
  64        AC_DEFINE_UNQUOTED([HAVE_NETSNMP], 1, [Define to indicate the Net-SNMP library])
  65        AC_DEFINE_UNQUOTED([USE_SNMP], 1, [Define to indicate to enable SNMP support]),
  66        [], ${NETSNMP_libs})
  67
  68    if test "${ac_cv_lib_netsnmp_snmp_register_callback}" = "yes"; then
  69       AC_SUBST([NETSNMP_LIB],"${NETSNMP_libs}")
  70    fi
  71 fi
  72 if test "${with_snmp}" != "no"; then
  73    if test "${ac_cv_lib_netsnmp_snmp_register_callback}" != "yes"; then
  74          AC_MSG_NOTICE([***])
  75          AC_MSG_NOTICE([*** net-snmp libraries not found])
  76          AC_MSG_NOTICE([*** Either correct the installation, or run configure])
  77          AC_MSG_NOTICE([*** including --without-snmp])
  78          exit 1
  79    fi
  80 fi
  81
  82 AC_OUTPUT