configure

同时支持IPv4和IPv6的BGP协议实现

if test -z "$CPP"; then
if eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
    # This must be in double quotes, not single quotes, because CPP may get
  # substituted into the Makefile and "${CC-cc}" will confuse make.
  CPP="${CC-cc} -E"
  # On the NeXT, cc -E runs the code through the compiler's parser,
  # not just through cpp.
  cat > conftest.$ac_ext <<EOF
#line 810 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:816: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  CPP="${CC-cc} -E -traditional-cpp"
  cat > conftest.$ac_ext <<EOF
#line 827 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:833: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  CPP="${CC-cc} -nologo -E"
  cat > conftest.$ac_ext <<EOF
#line 844 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:850: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  CPP=/lib/cpp
fi
rm -f conftest*
fi
rm -f conftest*
fi
rm -f conftest*
  ac_cv_prog_CPP="$CPP"
fi
  CPP="$ac_cv_prog_CPP"
else
  ac_cv_prog_CPP="$CPP"
fi
echo "$ac_t""$CPP" 1>&6

# Find a good install program.  We prefer a C program (faster),
# so one script is as good as another.  But avoid the broken or
# incompatible versions:
# SysV /etc/install, /usr/sbin/install
# SunOS /usr/etc/install
# IRIX /sbin/install
# AIX /bin/install
# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
# AFS /usr/afsws/bin/install, which mishandles nonexistent args
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
# ./install, which can be erroneously created by make from ./install.sh.
echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
echo "configure:886: checking for a BSD compatible install" >&5
if test -z "$INSTALL"; then
if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
    IFS="${IFS= 	}"; ac_save_IFS="$IFS"; IFS=":"
  for ac_dir in $PATH; do
    # Account for people who put trailing slashes in PATH elements.
    case "$ac_dir/" in
    /|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;;
    *)
      # OSF1 and SCO ODT 3.0 have their own names for install.
      # Don't use installbsd from OSF since it installs stuff as root
      # by default.
      for ac_prog in ginstall scoinst install; do
        if test -f $ac_dir/$ac_prog; then
	  if test $ac_prog = install &&
            grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then
	    # AIX install.  It has an incompatible calling convention.
	    :
	  else
	    ac_cv_path_install="$ac_dir/$ac_prog -c"
	    break 2
	  fi
	fi
      done
      ;;
    esac
  done
  IFS="$ac_save_IFS"

fi
  if test "${ac_cv_path_install+set}" = set; then
    INSTALL="$ac_cv_path_install"
  else
    # As a last resort, use the slow shell script.  We don't cache a
    # path for INSTALL within a source directory, because that will
    # break other packages using the cache if that directory is
    # removed, or if the path is relative.
    INSTALL="$ac_install_sh"
  fi
fi
echo "$ac_t""$INSTALL" 1>&6

# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
# It thinks the first close brace ends the variable substitution.
test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'

test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'

test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'





# Extract the first word of "shlicc2", so it can be a program name with args.
set dummy shlicc2; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:945: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_bgp_cv_shlicc'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$bgp_cv_shlicc"; then
  ac_cv_prog_bgp_cv_shlicc="$bgp_cv_shlicc" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_bgp_cv_shlicc="shlicc2"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_bgp_cv_shlicc" && ac_cv_prog_bgp_cv_shlicc="$CC"
fi
fi
bgp_cv_shlicc="$ac_cv_prog_bgp_cv_shlicc"
if test -n "$bgp_cv_shlicc"; then
  echo "$ac_t""$bgp_cv_shlicc" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

if test "$bgp_cv_shlicc" \!= "shlicc2"; then
	# Extract the first word of "shlicc", so it can be a program name with args.
set dummy shlicc; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:976: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_bgp_cv_shlicc'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$bgp_cv_shlicc"; then
  ac_cv_prog_bgp_cv_shlicc="$bgp_cv_shlicc" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_bgp_cv_shlicc="shlicc"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_bgp_cv_shlicc" && ac_cv_prog_bgp_cv_shlicc="$CC"
fi
fi
bgp_cv_shlicc="$ac_cv_prog_bgp_cv_shlicc"
if test -n "$bgp_cv_shlicc"; then
  echo "$ac_t""$bgp_cv_shlicc" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

fi
LDCC=$bgp_cv_shlicc

echo $ac_n "checking for inet6 library""... $ac_c" 1>&6
echo "configure:1007: checking for inet6 library" >&5
bgp_cv_lib6_dir="no"
for bgp_lib6_dir in /usr/local/v6/lib $srcdir/../libinet6; do
	if test -d $bgp_lib6_dir -a -f $bgp_lib6_dir/libinet6.a; then
		bgp_cv_lib6_dir=$bgp_lib6_dir;
		LDFLAGS="-L$bgp_lib6_dir $LDFLAGS"
	fi
done
echo "$ac_t""$bgp_cv_lib6_dir" 1>&6
for ac_func in if_nameindex
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:1019: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1024 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $ac_func(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char $ac_func();

int main() {

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
choke me
#else
$ac_func();
#endif

; return 0; }
EOF
if { (eval echo configure:1047: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
  echo "$ac_t""yes" 1>&6
    ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
  cat >> confdefs.h <<EOF
#define $ac_tr_func 1
EOF
 
else
  echo "$ac_t""no" 1>&6
echo $ac_n "checking for if_nameindex in -linet6""... $ac_c" 1>&6
echo "configure:1069: checking for if_nameindex in -linet6" >&5
ac_lib_var=`echo inet6'_'if_nameindex | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-linet6  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1077 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char if_nameindex();

int main() {
if_nameindex()
; return 0; }
EOF
if { (eval echo configure:1088: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  LDFLAGS="-linet6 $LDFLAGS"
else
  echo "$ac_t""no" 1>&6
	echo Fatal: no inet6 library found. cannot continue;
	echo You need to fetch libinet6.a from kit and compile beforehand.
	exit 1
fi

fi
done


echo $ac_n "checking for rfc2292bis support""... $ac_c" 1>&6
echo "configure:1116: checking for rfc2292bis support" >&5
cat > conftest.$ac_ext <<EOF
#line 1118 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <netinet/in.h>
int main() {
int x = IPV6_RECVPKTINFO;
; return 0; }
EOF
if { (eval echo configure:1126: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define USE_RFC2292BIS 1
EOF

	echo "$ac_t""yes" 1>&6
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  echo "$ac_t""no" 1>&6
fi
rm -f conftest*

v6type=unknown
echo $ac_n "checking for v6 stack type from defines""... $ac_c" 1>&6
echo "configure:1143: checking for v6 stack type from defines" >&5
if test "$v6type" = "unknown"; then
	cat > conftest.$ac_ext <<EOF
#line 1146 "configure"
#include "confdefs.h"
#include <sys/param.h>
	#ifdef _TOSHIBA_INET6
	yes
	#endif
	
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "yes" >/dev/null 2>&1; then
  rm -rf conftest*
  v6type=toshiba
fi
rm -f conftest*

fi
if test "$v6type" = "unknown"; then
	cat > conftest.$ac_ext <<EOF
#line 1164 "configure"
#include "confdefs.h"
#include <sys/param.h>
	#ifdef _ZETA_MINAMI_INET6
	yes
	#endif
	
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "yes" >/dev/null 2>&1; then
  rm -rf conftest*
  v6type=globe
fi
rm -f conftest*

fi

echo "$ac_t""$v6type" 1>&6
if test "$v6type" = "toshiba"; then
	OPTFLAGS="-DTOSHIBA_INET6 $OPTFLAGS"
fi

echo $ac_n "checking for ipv6 support""... $ac_c" 1>&6
echo "configure:1187: checking for ipv6 support" >&5
if eval "test \"`echo '$''{'bgp_cv_ipv6'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1192 "configure"
#include "confdefs.h"
#define INET6
#include <sys/types.h>
#include <netinet/in.h>
int main() {
int x = IPPROTO_IPV6; struct in6_addr a;