configure.in

ifstat源代码

  if test "x$with_kvm" = "xyes"; then
    AC_MSG_CHECKING([whether struct ifnet has needed interface data])
    AC_TRY_COMPILE([#include <sys/types.h>
                    #include <sys/socket.h>
		    #include <net/if.h>
		    #ifdef HAVE_NET_IF_VAR_H
		    #include <net/if_var.h>
		    #endif],[struct ifnet in; in.if_ibytes = in.if_obytes;
                             in.if_type = in.if_flags],
                   with_kvm=yes, with_kvm=no)
    AC_MSG_RESULT([$with_kvm])
  fi
  if test "x$with_kvm" = "xyes"; then
    AC_MSG_CHECKING([for struct ifnet if_xname member])
    AC_TRY_COMPILE([#include <sys/types.h>
                    #include <sys/socket.h>
		    #include <net/if.h>
		    #ifdef HAVE_NET_IF_VAR_H
		    #include <net/if_var.h>
		    #endif],[struct ifnet in; in.if_xname[0] = 'a';],
                   ifxname=yes, ifxname=no)
    test "x$ifxname" = "xyes" && AC_DEFINE([HAVE_IFNET_IF_XNAME], 1,
	[Define if you have a if_xname member in struct ifnet])
    AC_MSG_RESULT([$ifxname])

    AC_MSG_CHECKING([for struct ifnet if_next member])
    AC_TRY_COMPILE([#include <sys/types.h>
                    #include <sys/socket.h>
		    #include <net/if.h>
		    #ifdef HAVE_NET_IF_VAR_H
		    #include <net/if_var.h>
		    #endif],[struct ifnet in; in.if_next;],
                   ifnext=yes, ifnext=no)
    AC_MSG_RESULT([$ifnext])
    if test "x$ifnext" = "xyes"; then
        AC_DEFINE([HAVE_IFNET_IF_NEXT], 1,
                  [Define if you have a if_next member in struct ifnet])
    else 
      AC_MSG_CHECKING([for struct ifnet if_link member])
      AC_TRY_COMPILE([#include <sys/types.h>
                      #include <sys/socket.h>
	 	      #include <net/if.h>
  		      #ifdef HAVE_NET_IF_VAR_H
		      #include <net/if_var.h>
		      #endif],[struct ifnet in; in.if_link;],
                     iflink=yes, iflink=no)
      test "x$iflink" = "xyes" && AC_DEFINE([HAVE_IFNET_IF_LINK], 1,
	  [Define if you have a if_link member in struct ifnet])
      AC_MSG_RESULT([$iflink])
    fi

    AC_DEFINE([USE_KVM], 1, [Define if you want to use kvm to get stats])
    AC_MSG_WARN([you might need to make ifstat SGID kmem to run as simple user])
    local=yes
  fi
fi

# checking for hp dlpi interface
test "x$with_dlpi" = "xauto" -a "x$local" = "xyes" && with_dlpi=no
if test "x$with_dlpi" != "xno"; then
  AC_CHECK_HEADERS(sys/dlpi.h sys/dlpi_ext.h stropts.h sys/mib.h)
  AC_MSG_CHECKING([for dlpi streams interface])
  AC_TRY_COMPILE([#ifdef HAVE_UNISTD_H
		  #include <unistd.h>
                  #endif
                  #ifdef HAVE_SYS_DLPI_H
                  #include <sys/dlpi.h>
                  #endif
                  #ifdef HAVE_SYS_DLPI_EXT_H
                  #include <sys/dlpi_ext.h>
                  #endif
                  #ifdef HAVE_STROPTS_H
                  #include <sys/stropts.h>
                  #endif
                  #ifdef HAVE_SYS_MIB_H
                  #include <sys/mib.h>
                  #endif], [mib_ifEntry mib; dl_hp_ppa_req_t req;
                  struct strbuf ctlptr; putmsg(0, &ctlptr, NULL, 0);],
		with_dlpi=yes, with_dlpi=no)
  AC_MSG_RESULT([$with_dlpi])
  if test "x$with_dlpi" = "xyes"; then
    AC_DEFINE([USE_DLPI], 1, [Define if you want to use dlpi to get stats])
    local=yes
  fi
fi

test "x$with_win32" = "xauto" -a "x$local" = "xyes" && with_win32=no
if test "x$with_win32" != "xno"; then
  AC_MSG_CHECKING([for win32 GetIfTable interface])
  OLIBS="$LIBS"
  LIBS="$LIBS -liphlpapi"
  AC_TRY_LINK([#include <windows.h>
               #include <iphlpapi.h>], [GetIfTable(NULL, NULL, 0);],
	       [with_win32=yes], [with_win32=no; LIBS="$OLIBS"])
  AC_MSG_RESULT([$with_win32])
  if test "x$with_win32" = "xyes"; then
    AC_DEFINE([USE_WIN32], 1, [Define if you want to use win32 to get stats])
    local=yes
  fi
fi  

# checking for ioctl (siocgifconf) to get interfaces
test "x$with_ioctl" = "xauto" -a "x$local" = "xyes" && with_ioctl=no
if test "x$with_ioctl" != "xno"; then
  AC_DEFINE([USE_IOCTL], 1, [Define if you want to use ioctls to get if list])
  AC_CHECK_FUNC(socket, checksocket=no, checksocket=yes)
  if test "x$checksocket" = "xyes"; then 
    case "x$LIBS" in
      *-lsocket*);;
      *) AC_CHECK_LIB(socket, socket) ;;
    esac
  fi
  AC_CHECK_FUNC(if_nameindex, ifnameindex=yes, ifnameindex=no)
  if test "x$ifnameindex" != "xyes"; then 
    case "x$LIBS" in
      *-lnsl*);;
      *) AC_CHECK_LIB(nsl, if_nameindex, [ifnameindex=yes; LIBS="$LIBS -lnsl"]) ;;
    esac
  fi
  if test "x$ifnameindex" != "xyes"; then
    AC_MSG_CHECKING([for sockaddr sa_len member])
    AC_TRY_COMPILE([
    #include <sys/types.h>
    #include <sys/socket.h>],[struct sockaddr sa; sa.sa_len = 1;],
                   salen=yes, salen=no)
    test "x$salen" = "xyes" && AC_DEFINE([HAVE_SOCKADDR_SA_LEN], 1,
	[Define if you have a sa_len member in struct sockaddr])
    AC_MSG_RESULT([$salen])
  else
    AC_DEFINE([USE_IFNAMEINDEX], 1,
	[Define if you want ot use if_nameindex to find interfaces])
  fi
fi

# checking for snmp (NET-SNMP/UCD-SNMP)
if test "x$with_snmp" != "xno" ; then
  OCPPFLAGS="$CPPFLAGS"
  OLDFLAGS="$LDFLAGS"
  snmp_ok=no

  AC_PATH_PROG(netsnmpconfig, [net-snmp-config], [no], $PATH:$with_snmp)
  if test "x$netsnmpconfig" != "xno"; then
    CPPFLAGS="$CPPFLAGS `$netsnmpconfig --base-cflags 2>/dev/null`"
    LDFLAGS="$LDFLAGS `$netsnmpconfig --libs 2>/dev/null`"
    AC_MSG_CHECKING([whether net-snmp-config hints compiles and links fine])
    AC_TRY_LINK([#include<net-snmp/net-snmp-config.h>], [snmp_sess_init((void *) 0);],
                [snmp_ok=yes], [snmp_ok=no])
    AC_MSG_RESULT([$snmp_ok])
    if test "x$snmp_ok" = "xyes"; then
      with_snmp=yes
      snmp_type=net
    else
      CPPFLAGS="$OCPPFLAGS"
      LDFLAGS="$OLDFLAGS"
    fi
  fi

  if test "x$snmp_ok" != "xyes"; then
    if test "x$with_snmp" != "xyes" ; then
      CPPFLAGS="$CPPFLAGS -I$with_snmp/include"
      LDFLAGS="$LDFLAGS -L$with_snmp/lib"
    fi
    AC_CHECK_HEADER(net-snmp/net-snmp-config.h, snmp_type=net,
	  	    [AC_CHECK_HEADER(ucd-snmp/ucd-snmp-config.h,
                                     snmp_type=ucd, with_snmp=no)])

    if test "x$with_snmp" != "xno"; then
      if test "x$snmp_type" = "xnet"; then
         libsnmp="-lnetsnmp"
      else
         libsnmp="-lsnmp"
      fi

      with_snmp=no
      SNMPLIBALONE="$libsnmp"
      # Setting to be able to force linking with -lcrypto....
      # This is needed on OpenBSD (at least) where the snmplib port links without -lcrypto,
      # but fails to run.
      AC_ARG_WITH(libcrypto,
                  [  --with-libcrypto        force link with -lcrypto for UCD-SNMP (default=no)],
	          [], [with_libcrypto=no])
      if test "x$with_libcrypto" = "xyes" ; then
        SNMPLIBALONE=""
      fi
      for lib in $SNMPLIBALONE "$libsnmp -lcrypto" ; do
        if test "x$with_snmp" != "xyes" ; then
          AC_MSG_CHECKING([for snmp support in $lib])
          OLIBS="$LIBS"
          LIBS="$LIBS $lib"
          AC_TRY_LINK([], [snmp_sess_init();],
                      [with_snmp=yes], [LIBS="$OLIBS"])
          AC_MSG_RESULT([$with_snmp])
        fi
      done
    fi
  fi
  if test "x$with_snmp" = "xyes" ; then
    AC_DEFINE([USE_SNMP], 1, [Define if you have SNMP support])
    if test "x$snmp_type" = "xnet"; then
       AC_DEFINE([HAVE_NET_SNMP], 1,
	         [Define if your SNMP implementation is net-snmp v5.0 or greater])
    fi
    SNMPSRC=snmp.c
    AC_SUBST(SNMPSRC)
    # hint users about the possible needed option
    case `uname -s` in
     *OpenBSD*)
       case "$LIBS" in
        *-lcrypto*) ;;
	*) AC_MSG_WARN([SNMP test linked fine, but you might need to use --with-libcrypto for SNMP to work on this OS.]);;
       esac ;;
    esac
  else
    CPPFLAGS="$OCPPFLAGS"
    LDFLAGS="$OLDFLAGS"
  fi
fi

# checking that we do have at least one driver
if test "x$local" != "xyes"; then
  if test "x$with_snmp" = "xyes"; then
    AC_MSG_WARN([no native stats gathering mechanism found; will use SNMP.])
  else
    AC_MSG_ERROR([no statistics gathering methods found, porting needed.])
  fi
fi

# check for library
AC_ARG_ENABLE(library,   [  --enable-library        enable build and installation of libifstat (default=no)], LIBTARGET=libifstat.a, )

dnl Version
VERSION="`cat VERSION`"
test -z $VERSION && VERSION="0.0"
# perl -MPOSIX -e 'print strftime("%Y%m%d", localtime((stat("CVS"))[9]));'
test -d CVS && VERSION="$VERSION-cvs"`date +%Y%m%d`
AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version])

dnl Output
AC_SUBST(VERSION)
AC_SUBST(CFLAGS)
AC_SUBST(CPPFLAGS)
AC_SUBST(LDFLAGS)
AC_SUBST(LIBTARGET)

AC_OUTPUT(Makefile)