#########################################

##

# Checks for header files.

##

#########################################

##

#   Standard checks:

##

#  Core:

AC_HEADER_STDC          #  <stdlib.h>, <stdarg.h>,   <string.h>  & <float.h>

AC_HEADER_DIRENT        #  <dirent.h>, <sys/ndir.h>, <sys/dir.h> & <ndir.h>

#  Apps:

AC_HEADER_SYS_WAIT      #  <sys/wait.h>

# allow for quick module/library/etc processing checks

if test "x$NETSNMP_QUICK_CHECK" = "x" ; then

##

#   Stand-alone headers:

##

#  Core:

AC_CHECK_HEADERS([getopt.h   pthread.h  regex.h      ] dnl

                 [string.h   syslog.h   unistd.h     ] dnl

                 [stdint.h   inttypes.h              ] dnl

                 [sys/param.h        ] dnl

                 [sys/select.h       ] dnl

                 [sys/socket.h       ] dnl

                 [sys/syslog.h       ] dnl

                 [sys/time.h         ] dnl

                 [sys/timeb.h        ] dnl

                 [sys/un.h           ])

#  Library and Agent:

AC_CHECK_HEADERS([nlist.h],,,[

AC_INCLUDES_DEFAULT

[

#ifndef LIBBSD_DISABLE_DEPRECATED

#define LIBBSD_DISABLE_DEPRECATED 1

#endif

]])

#  Library:

AC_CHECK_HEADERS([fcntl.h    io.h       kstat.h                 ] dnl

                 [limits.h   locale.h                  ] dnl

                 [sys/file.h       sys/ioctl.h         ] dnl

                 [sys/sockio.h     sys/stat.h          ] dnl

                 [sys/systemcfg.h  sys/systeminfo.h    ] dnl

                 [sys/times.h      sys/uio.h           ] dnl

                 [sys/utsname.h      ] dnl

                 [netipx/ipx.h       ])

#  Agent:

AC_CHECK_HEADERS([dlfcn.h    err.h      fcntl.h    fstab.h      ] dnl

                 [           grp.h      io.h                    ] dnl

                 [ioctls.h   kstat.h    kvm.h      limits.h     ] dnl

                 [           mntent.h   mtab.h                  ] dnl

                 [           pkglocs.h             pwd.h        ] dnl

                 [           com_err.h             et/com_err.h ] dnl

                 [           utmpx.h    utsname.h               ])

AC_CHECK_HEADERS([sys/diskio.h  sys/dkio.h                                 ] dnl

                 [sys/file.h    sys/filio.h   sys/fixpoint.h               ] dnl

                 [sys/fs.h      sys/ioctl.h   sys/loadavg.h   sys/mntent.h ] dnl

                 [sys/mnttab.h  sys/pool.h    sys/protosw.h   sys/pstat.h  ] dnl

                 [sys/sockio.h  sys/stat.h    sys/statfs.h    sys/statvfs.h] dnl

                 [sys/stream.h  sys/sysget.h  sys/sysmacros.h sys/sysmp.h  ] dnl

                 [sys/tcpipstats.h            sys/utsname.h  sys/vfs.h     ] dnl

                 [sys/vm.h      sys/vmmac.h   sys/vmmeter.h  sys/vmparam.h ] dnl

                 [sys/vmsystm.h                                            ])

AC_CHECK_HEADERS([asm/page.h asm/types.h               ] dnl

                 [inet/mib2.h                          ] dnl

                 [linux/hdreg.h linux/tasks.h          ] dnl

                 [machine/param.h                      ] dnl

                 [netinet/tcp_fsm.h                    ] dnl

                 [ufs/fs.h                             ] dnl

                 [uvm/uvm_extern.h uvm/uvm_param.h     ] dnl

                 [vm/vm.h vm/vm_extern.h vm/vm_param.h ])

#  Apps:

AC_CHECK_HEADERS([fcntl.h    grp.h      pwd.h      ] dnl

                 [sys/cdefs.h   sys/ioctl.h        ] dnl

                 [sys/socket.h  sys/sockio.h       ] dnl

                 [sys/time.h                       ])

#  Not-Used:

AC_CHECK_HEADERS([search.h   sgtty.h    xti.h      ] dnl

                 [sys/dmap.h sys/poll.h            ] dnl

                 [sys/timeout.h                    ] dnl

                 [machine/pte.h                    ] dnl

                 [pci/pci.h                        ])

# Valgrind

AC_CHECK_HEADERS([valgrind/valgrind.h valgrind/memcheck.h])

# OpenSSL

AC_CHECK_HEADERS([openssl/aes.h ])     #  (Core)

AC_CHECK_HEADERS([openssl/dh.h  ])     #  (Apps)

#  Not-Used:

AC_CHECK_HEADERS([openssl/des.h  openssl/hmac.h ] dnl

                 [openssl/evp.h  security/cryptoki.h])

# RPM subdirectory path                   (Agent)

if test "x$with_rpm" != "xno"; then

  AC_CHECK_HEADERS([rpm/rpmts.h   rpm/rpmfileutil.h], [], [],

		   [[#include <rpm/rpmlib.h>]])

fi

##

#   Pre-requisite on other headers:

##

#       requiring <sys/param.h>  (MAXPATHLEN)           (OpenBSD 3.4)

#  Agent:

#

AC_CHECK_HEADERS(sys/swap.h,,,

    AC_INCLUDES_DEFAULT([])

    [

#if HAVE_SYS_PARAM_H

#include <sys/param.h>

#endif

    ])

#       requiring <sys/param.h>                         (FreeBSD)

#

#  Core:      (? Tested above? )

AC_CHECK_HEADERS([stdlib.h  ],,,

    [[

#if HAVE_SYS_TYPES_H

#include <sys/types.h>

#endif

#if HAVE_SYS_PARAM_H

#include <sys/param.h>

#endif

    ]])

#

#  Library:

AC_CHECK_HEADERS([malloc.h        net/if_dl.h   sys/sysctl.h    ],,,

    [[

#if HAVE_SYS_TYPES_H

#include <sys/types.h>

#endif

#if HAVE_SYS_PARAM_H

#include <sys/param.h>

#endif

    ]])

#

#  Agent:

AC_CHECK_HEADERS([malloc.h        osreldate.h                   ] dnl

                 [machine/types.h net/if_dl.h   net/if_types.h  ] dnl

                 [sys/dkstat.h    sys/conf.h    sys/mbuf.h      ] dnl

                 [sys/mount.h     sys/proc.h    sys/queue.h     ] dnl

                 [sys/sysctl.h    sys/user.h                    ],,,

    [[

#if HAVE_SYS_TYPES_H

#include <sys/types.h>

#endif

#if HAVE_SYS_PARAM_H

#include <sys/param.h>

#endif

    ]])

#       requiring <sys/sema.h>                          (IRIX 6.5)

#  Agent:

#

AC_CHECK_HEADERS([sys/sema.h])

AC_CHECK_HEADERS(sys/hashing.h,,,

    AC_INCLUDES_DEFAULT([])

    [

#if HAVE_SYS_SEMA_H

#include <sys/sema.h>

#endif

    ])

#       requiring <sys/socket.h>                        (Solaris 9)

#  Agent:

#

AC_CHECK_HEADERS(sys/socketvar.h,,,

    AC_INCLUDES_DEFAULT([])

    [

#if HAVE_SYS_SOCKET_H

#include <sys/socket.h>

#endif

    ])

#       requiring _KMEMUSER and <sys/types.h>           (BSDi3/IRIX)

#  Agent:

#

AC_CHECK_HEADERS(sys/vnode.h,,,

    [

#define _KMEMUSER 1

#if HAVE_SYS_TYPES_H

#include <sys/types.h>

#endif

    ])

#       requiring <machine/types.h>                     (NetBSD)

#  Agent:

#

AC_CHECK_HEADERS(sys/disklabel.h,,,

    [[

#if HAVE_SYS_TYPES_H

#include <sys/types.h>

#endif

#if HAVE_SYS_PARAM_H

#include <sys/param.h>

#endif

#if HAVE_MACHINE_TYPES_H

#include <machine/types.h>

#endif

    ]])

#	QNX

AC_CHECK_HEADERS([nbutil.h])

#       UFS headers

#  Agent:

#

AC_CHECK_HEADERS([ufs/ufs/dinode.h ufs/ufs/quota.h ufs/ufs/inode.h ufs/ffs/fs.h],,,

    [[

#if HAVE_SYS_TYPES_H

#include <sys/types.h>

#endif

#if HAVE_UFS_UFS_DINODE_H

#include <ufs/ufs/dinode.h>

#endif

#if HAVE_UFS_UFS_QUOTA_H

#include <ufs/ufs/quota.h>

#endif

    ]])

#       requiring <vm/vm.h>                             (BSDi2)

#  Agent:

#

AC_CHECK_HEADERS(vm/swap_pager.h,,,

    [[

#if HAVE_VM_VM_H

#include <vm/vm.h>

#endif

    ]])

#       netlink/rtnetlink                               (Linux)

#  Agent:

#

AC_CHECK_HEADERS([linux/netlink.h  linux/rtnetlink.h],,,

    [[

#if HAVE_ASM_TYPES_H

#include <asm/types.h>

#endif

#if HAVE_SYS_SOCKET_H

#include <sys/socket.h>

#endif

#if HAVE_LINUX_NETLINK_H

#include <linux/netlink.h>

#endif

    ]])

#       Network headers

#  Core or Library/Agent/Apps:

#

AC_CHECK_HEADERS([arpa/inet.h        net/if.h             ] dnl

                 [netinet/in.h       netdb.h              ],,,

    [[

#if HAVE_SYS_TYPES_H

#include <sys/types.h>

#endif

#if HAVE_SYS_TIMEOUT_H

#include <sys/timeout.h>

#endif

#if HAVE_SYS_SOCKET_H

#include <sys/socket.h>

#endif

#if HAVE_SYS_SOCKETVAR_H

#include <sys/socketvar.h>

#endif

#if HAVE_ARPA_INET_H

#include <arpa/inet.h>

#endif

#if HAVE_NETINET_IN_SYSTM_H

#include <netinet/in_systm.h>

#endif

#if HAVE_NETINET_IN_H

#include <netinet/in.h>

#endif

#if HAVE_NETINET_IP_H

#include <netinet/ip.h>

#endif

#if HAVE_NET_IF_H

#include <net/if.h>

#endif

#if HAVE_NETINET_IP_VAR_H

#include <netinet/ip_var.h>

#endif

#if HAVE_NETINET_IP_ICMP_H

#include <netinet/ip_icmp.h>

#endif

#if HAVE_NETINET_TCP_H

#include <netinet/tcp.h>

#endif

#if HAVE_NETINET_UDP_H

#include <netinet/udp.h>

#endif

#if HAVE_NETINET_TCP_TIMER_H

#include <netinet/tcp_timer.h>

#endif

    ]])

#

#  Agent:

AC_CHECK_HEADERS([net/if_arp.h       net/if_mib.h         net/if_var.h     ] dnl

                 [netinet/if_ether.h netinet/in_systm.h   netinet/in_var.h ] dnl

                 [netinet/ip.h       netinet/ip_icmp.h                     ] dnl

                 [netinet/icmp_var.h netinet/ip_var.h                      ] dnl

                 [netinet/tcp.h      netinet/tcp_timer.h  netinet/tcp_var.h] dnl

                 [netinet/tcpip.h    netinet/udp.h        netinet/udp_var.h] dnl

                 [net/route.h        netinet/icmp6.h                       ],,,

    [[

#if HAVE_SYS_PARAM_H

#include <sys/param.h>

#endif

#if HAVE_SYS_TYPES_H

#include <sys/types.h>

#endif

#if HAVE_SYS_TIMEOUT_H

#include <sys/timeout.h>

#endif

#if HAVE_SYS_SOCKET_H

#include <sys/socket.h>

#endif

#if HAVE_SYS_SOCKETVAR_H

#include <sys/socketvar.h>

#endif

#if HAVE_ARPA_INET_H

#include <arpa/inet.h>

#endif

#if HAVE_NETINET_IN_SYSTM_H

#include <netinet/in_systm.h>

#endif

#if HAVE_NETINET_IN_H

#include <netinet/in.h>

#endif

#if HAVE_NETINET_IP_H

#include <netinet/ip.h>

#endif

#if HAVE_NET_IF_H

#include <net/if.h>

#endif

#if HAVE_NET_IF_VAR_H

#include <net/if_var.h>

#endif

#if HAVE_NETINET_IP_VAR_H

#include <netinet/ip_var.h>

#endif

#if HAVE_NETINET_IP_ICMP_H

#include <netinet/ip_icmp.h>

#endif

#if HAVE_NETINET_TCP_H

#include <netinet/tcp.h>

#endif

#if HAVE_NETINET_UDP_H

#include <netinet/udp.h>

#endif

#if HAVE_NETINET_TCP_TIMER_H

#include <netinet/tcp_timer.h>

#endif

#if HAVE_NETINET_ICMP6_H

#include <netinet/icmp6.h>

#endif

    ]])

#       KAME (IPv6) headers

#  Agent:

#

# KAME

AC_CHECK_HEADERS([netinet/ip6.h                               ] dnl

                 [netinet6/in6_var.h    netinet6/in6_pcb.h    ] dnl

                 [netinet6/ip6_var.h    netinet6/nd6.h        ] dnl

                 [netinet6/tcp6.h       netinet6/tcp6_fsm.h   ] dnl

                 [netinet6/tcp6_timer.h netinet6/tcp6_var.h],,,

    [[

#if HAVE_SYS_PARAM_H

#include <sys/param.h>

#endif

#if HAVE_SYS_TYPES_H

#include <sys/types.h>

#endif

#if HAVE_SYS_QUEUE_H

#include <sys/queue.h>

#endif

#if HAVE_SYS_SOCKET_H

#include <sys/socket.h>

#endif

#if HAVE_NET_IF_H

#include <net/if.h>

#endif

#if HAVE_NET_IF_VAR_H

#include <net/if_var.h>

#endif

#if HAVE_NET_ROUTE_H

#include <net/route.h>

#endif

#if HAVE_NETINET_IN_H

#include <netinet/in.h>

#endif

#if HAVE_NETINET_IP6_H

#include <netinet/ip6.h>

#endif

    ]])

#       requiring <netinet/in.h>                        (OpenBSD 2.6)

#  Agent:

#

AC_CHECK_HEADERS(netinet/in_pcb.h,,,

    [[

#if HAVE_SYS_PARAM_H

#include <sys/param.h>

#endif

#if HAVE_SYS_TYPES_H

#include <sys/types.h>

#endif

#if HAVE_SYS_TIMEOUT_H

#include <sys/timeout.h>

#endif

#if HAVE_SYS_SOCKET_H

#include <sys/socket.h>

#endif

#if HAVE_SYS_SOCKETVAR_H

#include <sys/socketvar.h>

#endif

#if HAVE_NETINET_IN_H

#include <netinet/in.h>

#endif

#if HAVE_NETINET_IN_SYSTM_H

#include <netinet/in_systm.h>

#endif

#if HAVE_NETINET_IP_H

#include <netinet/ip.h>

#endif

#if HAVE_NET_ROUTE_H

#include <net/route.h>

#endif

#if HAVE_ARPA_INET_H

#include <arpa/inet.h>

#endif

    ]])

##

#   Pre-requisite on specific types

##

#       Special hack to get around various problems on older Linux kernels

#       (major ugh!)

#  Agent:

#

AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <linux/ethtool.h>],[])],

		  AC_CHECK_HEADERS([linux/ethtool.h]),

AC_CHECK_HEADERS([linux/ethtool.h],,,

[[

#include <linux/types.h>

typedef __u64 u64;         /* hack, so we may include kernel's ethtool.h */

typedef __u32 u32;         /* ditto */

typedef __u16 u16;         /* ditto */

typedef __u8 u8;           /* ditto */

]])

AC_DEFINE([HAVE_LINUX_ETHTOOL_NEEDS_U64], 1,

          [Define if __u8 .. __u64 must be declared explicitly before including <linux/ethtool.h>]))

##

#   Headers requiring particular libraries

##

#       for HostRes                                     (Solaris 2.x)

#  Agent:

#

AC_CHECK_HEADERS(pkginfo.h,

    NETSNMP_SEARCH_LIBS(pkginfo, adm,

        AC_DEFINE(HAVE_PKGINFO, 1, [define if you have pkginfo]),,,LMIBLIBS))

AC_CHECK_HEADERS(pkg.h,

    NETSNMP_SEARCH_LIBS(pkg_init, pkg,

        AC_DEFINE(HAVE_LIBPKG, 1, [define if you have BSD pkg-ng])))

if test $ac_cv_header_pkg_h = no

then

    unset ac_cv_header_pkg_h

    netsnmp_save_CPPFLAGS="$CPPFLAGS"

    netsnmp_save_LDFLAGS="$LDFLAGS"

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

    LDFLAGS="$LDFLAGS -L/usr/local/lib"

    AC_CHECK_HEADERS(pkg.h,

        NETSNMP_SEARCH_LIBS(pkg_init, pkg,

	    AC_DEFINE(HAVE_LIBPKG, 1, [define if you have BSD pkg-ng])))

    if test $ac_cv_header_pkg_h = no

    then

        CPPFLAGS="$netsnmp_save_CPPFLAGS"

        LDFLAGS="$netsnmp_save_LDFLAGS"

    fi

fi

case $target_os in

    aix*)

        #       for CPU/memory statistics               (AIX)

        #  Agent:

        #

        AC_CHECK_HEADERS(libperfstat.h,

            NETSNMP_SEARCH_LIBS(perfstat_cpu_total, perfstat,

                AC_DEFINE(HAVE_PERFSTAT, 1, [on aix, if you have perfstat]),

                AC_MSG_ERROR([

*** To monitor CPU/memory values in AIX you need to install

*** libperfstat which can be found in bos.perf

]),,

                LMIBLIBS),,

    [[

#if HAVE_SYS_PROTOSW_H

#include <sys/protosw.h>

#endif

    ]])

        ;;

    hpux*)

        #       HP-UX agent needs open_mib       (XXX - not a header check!)

        #

        NETSNMP_SEARCH_LIBS(open_mib, nm,

            AC_DEFINE(HAVE_LIBNM, 1, [define if you have libnm]),,,LMIBLIBS)

        ;;

    *)

        ;;

esac

#       for MIB-2 info                                  (Cygwin and MinGW)

#  Core:

#

AC_CHECK_HEADERS([windows.h iphlpapi.h], [], [], [

#ifdef HAVE_WINDOWS_H

#include <windows.h>

#endif

])

#       for MIB-2 info                                  (MinGW)

#  Core:

#

if test x$with_socklib = xwinsock2; then

  AC_CHECK_HEADERS([winsock.h winsock2.h ws2tcpip.h])

fi

#

# for ucd-snmp/lmsensorsMib

#

AC_CHECK_HEADERS([sensors/sensors.h picl.h])

##  This is here to avoid loads of redefinition warnings during

##  module configuration

##

#   rtentry structure checks:

##

# Check struct rtentry for common fields

#   Agent:

#

AC_CHECK_MEMBERS([struct rtentry.rt_dst,

                  struct rtentry.rt_hash,

                  struct rtentry.rt_next,

                  struct rtentry.rt_refcnt,

                  struct rtentry.rt_unit,

                  struct rtentry.rt_use],,,

    [

#ifdef HAVE_SYS_PARAM_H

#include <sys/param.h>

#endif

#include <sys/types.h>

#ifdef NETSNMP_IFNET_NEEDS_KERNEL_STRUCTURES

#define _KERNEL_STRUCTURES 1

#endif

#ifdef HAVE_SYS_SOCKET_H

#ifdef NETSNMP_IFNET_NEEDS_KERNEL

#define KERNEL

#if !defined(__DragonFly__)

#define _KERNEL 1

#endif

#endif

#include <sys/socket.h>

#undef KERNEL

#undef _KERNEL

#endif

#ifdef HAVE_NET_ROUTE_H

#include <net/route.h>

#endif

    ])

fi # NETSNMP_QUICK_CHECK