Virgin import of libpcap 0.3

1 files changed, 287 insertions, 134 deletions

diff --git a/contrib/libpcap/configure b/contrib/libpcap/configure
index c9cfec0..e9eac59 100755
--- a/contrib/libpcap/configure
+++ b/contrib/libpcap/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
 
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.10 
+# Generated automatically using autoconf version 2.12 
 # Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
 #
 # This configure script is free software; the Free Software Foundation
@@ -49,6 +49,8 @@ mandir='${prefix}/man'
 # Initialize some other variables.
 subdirs=
 MFLAGS= MAKEFLAGS=
+# Maximum number of lines to put in a shell here document.
+ac_max_here_lines=12
 
 ac_prev=
 for ac_option
@@ -330,7 +332,7 @@ EOF
     verbose=yes ;;
 
   -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.10"
+    echo "configure generated by autoconf version 2.12"
     exit 0 ;;
 
   -with-* | --with-*)
@@ -432,11 +434,14 @@ do
 done
 
 # NLS nuisances.
-# Only set LANG and LC_ALL to C if already set.
-# These must not be set unconditionally because not all systems understand
-# e.g. LANG=C (notably SCO).
-if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
+# Only set these to C if already set.  These must not be set unconditionally
+# because not all systems understand e.g. LANG=C (notably SCO).
+# Fixing LC_MESSAGES prevents Solaris sh from translating var values in `set'!
+# Non-C LC_CTYPE values break the ctype check.
 if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi
+if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
+if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi
+if test "${LC_CTYPE+set}"    = set; then LC_CTYPE=C;    export LC_CTYPE;    fi
 
 # confdefs.h avoids OS command line length limits that DEFS can exceed.
 rm -rf conftest* confdefs.h
@@ -498,6 +503,7 @@ ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
 
 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
   # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
@@ -560,6 +566,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
+echo "configure:570: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -574,12 +581,13 @@ NONE)
 esac
 
 host=`$ac_config_sub $host_alias`
-host_cpu=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
-host_vendor=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
-host_os=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
+echo "configure:591: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -591,12 +599,13 @@ NONE)
 esac
 
 target=`$ac_config_sub $target_alias`
-target_cpu=`echo $target | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
-target_vendor=`echo $target | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
-target_os=`echo $target | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+target_cpu=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+target_vendor=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$target" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
+echo "configure:609: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -608,9 +617,9 @@ NONE)
 esac
 
 build=`$ac_config_sub $build_alias`
-build_cpu=`echo $build | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
-build_vendor=`echo $build | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
-build_os=`echo $build | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$build" 1>&6
 
 test "$host_alias" != "$target_alias" &&
@@ -625,8 +634,12 @@ if test -z "$PWD" ; then
 	PWD=`pwd`
 fi
 
-V_CCOPT=-O
+
+    V_CCOPT=-O
     V_INCLS=""
+    if test "${CFLAGS+set}" = set; then
+	    LBL_CFLAGS="$CFLAGS"
+    fi
     if test -z "$CC" ; then
 	    case "$target_os" in
 
@@ -634,6 +647,7 @@ V_CCOPT=-O
 		    # 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:651: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_SHLICC2'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -669,6 +683,7 @@ fi
     # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:687: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -697,6 +712,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:716: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -743,7 +759,47 @@ fi
   test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
 fi
 
+echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
+echo "configure:764: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+cat > conftest.$ac_ext <<EOF
+#line 774 "configure"
+#include "confdefs.h"
+main(){return(0);}
+EOF
+if { (eval echo configure:778: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  ac_cv_prog_cc_works=yes
+  # If we can't run a trivial program, we are probably using a cross compiler.
+  if (./conftest; exit) 2>/dev/null; then
+    ac_cv_prog_cc_cross=no
+  else
+    ac_cv_prog_cc_cross=yes
+  fi
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  ac_cv_prog_cc_works=no
+fi
+rm -fr conftest*
+
+echo "$ac_t""$ac_cv_prog_cc_works" 1>&6
+if test $ac_cv_prog_cc_works = no; then
+  { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
+fi
+echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
+echo "configure:798: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
+cross_compiling=$ac_cv_prog_cc_cross
+
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
+echo "configure:803: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -752,7 +808,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:756: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:812: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -760,29 +816,34 @@ fi
 fi
 
 echo "$ac_t""$ac_cv_prog_gcc" 1>&6
+
 if test $ac_cv_prog_gcc = yes; then
   GCC=yes
-  if test "${CFLAGS+set}" != set; then
-    echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-if eval "test \"`echo '$''{'ac_cv_prog_gcc_g'+set}'`\" = set"; then
+  ac_test_CFLAGS="${CFLAGS+set}"
+  ac_save_CFLAGS="$CFLAGS"
+  CFLAGS=
+  echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
+echo "configure:827: checking whether ${CC-cc} accepts -g" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   echo 'void f(){}' > conftest.c
 if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
-  ac_cv_prog_gcc_g=yes
+  ac_cv_prog_cc_g=yes
 else
-  ac_cv_prog_gcc_g=no
+  ac_cv_prog_cc_g=no
 fi
 rm -f conftest*
 
 fi
 
-echo "$ac_t""$ac_cv_prog_gcc_g" 1>&6
-    if test $ac_cv_prog_gcc_g = yes; then
-      CFLAGS="-g -O"
-    else
-      CFLAGS="-O"
-    fi
+echo "$ac_t""$ac_cv_prog_cc_g" 1>&6
+  if test "$ac_test_CFLAGS" = set; then
+    CFLAGS="$ac_save_CFLAGS"
+  elif test $ac_cv_prog_cc_g = yes; then
+    CFLAGS="-g -O2"
+  else
+    CFLAGS="-O2"
   fi
 else
   GCC=
@@ -795,6 +856,7 @@ fi
 		    V_CCOPT=-O2
 	    else
 		    echo $ac_n "checking gcc version""... $ac_c" 1>&6
+echo "configure:860: checking gcc version" >&5
 		    if eval "test \"`echo '$''{'ac_cv_gcc_vers'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -809,27 +871,28 @@ fi
 	    fi
     else
 	    echo $ac_n "checking that $CC handles ansi prototypes""... $ac_c" 1>&6
+echo "configure:875: checking that $CC handles ansi prototypes" >&5
 	    if eval "test \"`echo '$''{'ac_cv_cc_ansi_prototypes'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 817 "configure"
+#line 880 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
-int main() { return 0; }
-int t() {
+int main() {
 int frob(int, char *)
 ; return 0; }
 EOF
-if { (eval echo configure:825: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:887: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_cc_ansi_prototypes=yes
 else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
   rm -rf conftest*
   ac_cv_cc_ansi_prototypes=no
 fi
 rm -f conftest*
-
 fi
 
 	    echo "$ac_t""$ac_cv_cc_ansi_prototypes" 1>&6
@@ -838,29 +901,30 @@ fi
 
 		    hpux*)
 			    echo $ac_n "checking for HP-UX ansi compiler ($CC -Aa -D_HPUX_SOURCE)""... $ac_c" 1>&6
+echo "configure:905: checking for HP-UX ansi compiler ($CC -Aa -D_HPUX_SOURCE)" >&5
 			    savedcflags="$CFLAGS"
 			    CFLAGS="-Aa -D_HPUX_SOURCE $CFLAGS"
 			    if eval "test \"`echo '$''{'ac_cv_cc_hpux_cc_aa'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 848 "configure"
+#line 912 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
-int main() { return 0; }
-int t() {
+int main() {
 int frob(int, char *)
 ; return 0; }
 EOF
-if { (eval echo configure:856: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:919: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_cc_hpux_cc_aa=yes
 else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
   rm -rf conftest*
   ac_cv_cc_hpux_cc_aa=no
 fi
 rm -f conftest*
-
 fi
 
 			    echo "$ac_t""$ac_cv_cc_hpux_cc_aa" 1>&6
@@ -875,41 +939,6 @@ EOF
 
 			    ;;
 
-		    sni*)
-			    echo $ac_n "checking for SINIX ansi compiler ($CC -kansi)""... $ac_c" 1>&6
-			    savedcflags="$CFLAGS"
-			    CFLAGS="-kansi"
-			    if eval "test \"`echo '$''{'ac_cv_cc_sinix_kansi'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  cat > conftest.$ac_ext <<EOF
-#line 887 "configure"
-#include "confdefs.h"
-#include <sys/types.h>
-int main() { return 0; }
-int t() {
-int frob(int, char *)
-; return 0; }
-EOF
-if { (eval echo configure:895: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  ac_cv_cc_sinix_kansi=yes
-else
-  rm -rf conftest*
-  ac_cv_cc_sinix_kansi=no
-fi
-rm -f conftest*
-
-fi
-
-			    echo "$ac_t""$ac_cv_cc_sinix_kansi" 1>&6
-			    if test $ac_cv_cc_sinix_kansi = no ; then
-				    { echo "configure: error: see the INSTALL for more info" 1>&2; exit 1; }
-			    fi
-			    CFLAGS="$savedcflags"
-			    V_CCOPT="-kansi $V_CCOPT"
-			    ;;
-
 		    *)
 			    { echo "configure: error: see the INSTALL for more info" 1>&2; exit 1; }
 			    ;;
@@ -929,28 +958,29 @@ fi
 
 	    ultrix*)
 		    echo $ac_n "checking that Ultrix $CC hacks const in prototypes""... $ac_c" 1>&6
+echo "configure:962: checking that Ultrix $CC hacks const in prototypes" >&5
 		    if eval "test \"`echo '$''{'ac_cv_cc_const_proto'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 937 "configure"
+#line 967 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
-int main() { return 0; }
-int t() {
+int main() {
 struct a { int b; };
 			    void c(const struct a *)
 ; return 0; }
 EOF
-if { (eval echo configure:946: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:975: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_cc_const_proto=yes
 else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
   rm -rf conftest*
   ac_cv_cc_const_proto=no
 fi
 rm -f conftest*
-
 fi
 
 		    echo "$ac_t""$ac_cv_cc_const_proto" 1>&6
@@ -966,6 +996,7 @@ EOF
 
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
+echo "configure:1000: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -980,33 +1011,37 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 984 "configure"
+#line 1015 "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:990: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1021: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$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 999 "configure"
+#line 1032 "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:1005: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1038: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$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
@@ -1023,24 +1058,27 @@ echo "$ac_t""$CPP" 1>&6
 
 for ac_hdr in malloc.h sys/ioccom.h sys/sockio.h
 do
-ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:1064: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1033 "configure"
+#line 1069 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1038: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1074: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
   eval "ac_cv_header_$ac_safe=yes"
 else
   echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
   rm -rf conftest*
   eval "ac_cv_header_$ac_safe=no"
 fi
@@ -1048,7 +1086,7 @@ rm -f conftest*
 fi
 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
   echo "$ac_t""yes" 1>&6
-    ac_tr_hdr=HAVE_`echo $ac_hdr | tr 'abcdefghijklmnopqrstuvwxyz./\055' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ___'`
+    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
   cat >> confdefs.h <<EOF
 #define $ac_tr_hdr 1
 EOF
@@ -1061,11 +1099,12 @@ done
 
 if test $ac_cv_prog_gcc = yes ; then
 	    echo $ac_n "checking if fixincludes is needed""... $ac_c" 1>&6
+echo "configure:1103: checking if fixincludes is needed" >&5
 	    if eval "test \"`echo '$''{'ac_cv_gcc_fixincludes'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1069 "configure"
+#line 1108 "configure"
 #include "confdefs.h"
 /*
 		     * This generates a "duplicate case value" when fixincludes
@@ -1077,23 +1116,23 @@ else
 #		ifdef HAVE_SYS_IOCCOM_H
 #		include <sys/ioccom.h>
 #		endif
-int main() { return 0; }
-int t() {
+int main() {
 switch (0) {
 		    case _IO('A', 1):;
 		    case _IO('B', 1):;
 		    }
 ; return 0; }
 EOF
-if { (eval echo configure:1089: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1127: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_gcc_fixincludes=yes
 else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
   rm -rf conftest*
   ac_cv_gcc_fixincludes=no
 fi
 rm -f conftest*
-
 fi
 
 	    echo "$ac_t""$ac_cv_gcc_fixincludes" 1>&6
@@ -1107,11 +1146,12 @@ fi
 for ac_func in ether_hostton strerror
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
+echo "configure:1150: 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 1115 "configure"
+#line 1155 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -1121,8 +1161,7 @@ else
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
 
-int main() { return 0; }
-int t() {
+int main() {
 
 /* The GNU C library defines this for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
@@ -1135,16 +1174,18 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1139: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+if { (eval echo configure:1178: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$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'`
@@ -1159,6 +1200,7 @@ done
 
 
 echo $ac_n "checking packet capture type""... $ac_c" 1>&6
+echo "configure:1204: checking packet capture type" >&5
 if test -r /dev/bpf0 ; then
 	V_PCAP=bpf
 elif test -r /usr/include/net/pfilt.h ; then
@@ -1173,6 +1215,8 @@ elif test -r /usr/include/net/raw.h ; then
 	V_PCAP=snoop
 elif test -r /usr/include/sys/dlpi.h ; then
 	V_PCAP=dlpi
+elif test -r /usr/include/linux/socket.h ; then
+	V_PCAP=linux
 elif test -c /dev/bpf0 ; then		# check again in case not readable
 	V_PCAP=bpf
 elif test -c /dev/enet ; then		# check again in case not readable
@@ -1194,24 +1238,27 @@ null)
 dlpi)
 	for ac_hdr in sys/bufmod.h sys/dlpi_ext.h
 do
-ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:1244: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1204 "configure"
+#line 1249 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1209: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1254: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
   eval "ac_cv_header_$ac_safe=yes"
 else
   echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
   rm -rf conftest*
   eval "ac_cv_header_$ac_safe=no"
 fi
@@ -1219,7 +1266,7 @@ rm -f conftest*
 fi
 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
   echo "$ac_t""yes" 1>&6
-    ac_tr_hdr=HAVE_`echo $ac_hdr | tr 'abcdefghijklmnopqrstuvwxyz./\055' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ___'`
+    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
   cat >> confdefs.h <<EOF
 #define $ac_tr_hdr 1
 EOF
@@ -1230,27 +1277,18 @@ fi
 done
 
 	echo $ac_n "checking for /dev/dlpi device""... $ac_c" 1>&6
+echo "configure:1281: checking for /dev/dlpi device" >&5
 	if test -c /dev/dlpi ; then
 		echo "$ac_t""yes" 1>&6
 		cat >> confdefs.h <<\EOF
 #define HAVE_DEV_DLPI 1
 EOF
 
-
-		case "$target_os" in
-
-		hpux9*)
-			cat >> confdefs.h <<\EOF
-#define HAVE_HPUX9 1
-EOF
-
-			;;
-
-		esac
 	else
 		echo "$ac_t""no" 1>&6
 		dir="/dev/dlpi"
 		echo $ac_n "checking for $dir directory""... $ac_c" 1>&6
+echo "configure:1292: checking for $dir directory" >&5
 		if test -d $dir ; then
 			echo "$ac_t""yes" 1>&6
 			cat >> confdefs.h <<EOF
@@ -1269,6 +1307,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1311: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_V_LEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1300,6 +1339,7 @@ test -n "$V_LEX" || V_LEX="lex"
     if test "$V_LEX" = flex ; then
 	    # The -V flag was added in 2.4
 	    echo $ac_n "checking for flex 2.4 or higher""... $ac_c" 1>&6
+echo "configure:1343: checking for flex 2.4 or higher" >&5
 	    if eval "test \"`echo '$''{'ac_cv_flex_v24'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1322,6 +1362,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1366: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_V_YACC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1372,12 +1413,58 @@ EOF
 
 	;;
 
+hpux9*)
+	cat >> confdefs.h <<\EOF
+#define HAVE_HPUX9 1
+EOF
+
+	;;
+
+sinix*)
+	echo $ac_n "checking if SINIX compiler defines sinix""... $ac_c" 1>&6
+echo "configure:1426: checking if SINIX compiler defines sinix" >&5
+	if eval "test \"`echo '$''{'ac_cv_cc_sinix_defined'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1431 "configure"
+#include "confdefs.h"
+
+int main() {
+int i = sinix;
+; return 0; }
+EOF
+if { (eval echo configure:1438: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  ac_cv_cc_sinix_defined=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_cv_cc_sinix_defined=no
+fi
+rm -f conftest*
+fi
+
+	    echo "$ac_t""$ac_cv_cc_sinix_defined" 1>&6
+	    if test $ac_cv_cc_sinix_defined = no ; then
+		    cat >> confdefs.h <<\EOF
+#define sinix 1
+EOF
+
+	    fi
+	;;
+
 solaris*)
 	cat >> confdefs.h <<\EOF
 #define HAVE_SOLARIS 1
 EOF
 
 	;;
+
+linux*)
+	V_INCLS="$V_INCLS -Ilinux-include"
+	;;
 esac
 
 for ac_prog in ranlib
@@ -1385,6 +1472,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1476: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_V_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1415,15 +1503,20 @@ test -n "$V_RANLIB" || V_RANLIB="@true"
 
 
 rm -f os-proto.h
+    if test "${LBL_CFLAGS+set}" = set; then
+	    V_CCOPT="$V_CCOPT ${LBL_CFLAGS}"
+    fi
     if test $ac_cv_prog_gcc = yes -a -f .devel ; then
-	    if test $ac_cv_prog_gcc_g = yes ; then
-		    V_CCOPT="-g $V_CCOPT"
-	    fi
-	    V_CCOPT="$V_CCOPT -Wall"
-	    if test $ac_cv_gcc_vers -gt 1 ; then
-		    V_CCOPT="$V_CCOPT -Wmissing-prototypes -Wstrict-prototypes"
+	    if test "${LBL_CFLAGS+set}" != set; then
+		    if test "$ac_cv_prog_cc_g" = yes ; then
+			    V_CCOPT="-g $V_CCOPT"
+		    fi
+		    V_CCOPT="$V_CCOPT -Wall"
+		    if test $ac_cv_gcc_vers -gt 1 ; then
+			    V_CCOPT="$V_CCOPT -Wmissing-prototypes -Wstrict-prototypes"
+		    fi
 	    fi
-	    os=`echo $target_os | sed -e 's/\([0-9]\)[0-9.][0-9.]*$/\1/'`
+	    os=`echo $target_os | sed -e 's/\([0-9][0-9]*\)[^0-9].*$/\1/'`
 	    name="lbl/os-$os.h"
 	    if test -f $name ; then
 		    ln -s $name os-proto.h
@@ -1437,29 +1530,30 @@ EOF
     fi
 
 echo $ac_n "checking if sockaddr struct has sa_len member""... $ac_c" 1>&6
+echo "configure:1534: checking if sockaddr struct has sa_len member" >&5
     if eval "test \"`echo '$''{'ac_cv_sockaddr_has_sa_len'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1445 "configure"
+#line 1539 "configure"
 #include "confdefs.h"
 
 #	include <sys/types.h>
 #	include <sys/socket.h>
-int main() { return 0; }
-int t() {
+int main() {
 u_int i = sizeof(((struct sockaddr *)0)->sa_len)
 ; return 0; }
 EOF
-if { (eval echo configure:1455: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1548: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_sockaddr_has_sa_len=yes
 else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
   rm -rf conftest*
   ac_cv_sockaddr_has_sa_len=no
 fi
 rm -f conftest*
-
 fi
 
     echo "$ac_t""$ac_cv_sockaddr_has_sa_len" 1>&6
@@ -1471,6 +1565,7 @@ EOF
     fi
 
 echo $ac_n "checking if unaligned accesses fail""... $ac_c" 1>&6
+echo "configure:1569: checking if unaligned accesses fail" >&5
     if eval "test \"`echo '$''{'ac_cv_unaligned_fail'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1502,7 +1597,7 @@ else
 			exit(!WIFEXITED(status));
 		}
 		/* child */
-		i = *(unsigned int *)&a1;
+		i = *(unsigned int *)&a[1];
 		printf("%d\n", i);
 		exit(0);
 		}
@@ -1560,11 +1655,12 @@ ln -s bpf/net net
 # 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""... $ac_c" 1>&6
+echo "configure:1659: checking for a BSD compatible install" >&5
 if test -z "$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="$IFS"; IFS="${IFS}:"
+    IFS="${IFS= 	}"; ac_save_IFS="$IFS"; IFS="${IFS}:"
   for ac_dir in $PATH; do
     # Account for people who put trailing slashes in PATH elements.
     case "$ac_dir/" in
@@ -1587,7 +1683,7 @@ else
       ;;
     esac
   done
-  IFS="$ac_save_ifs"
+  IFS="$ac_save_IFS"
 
 fi
   if test "${ac_cv_path_install+set}" = set; then
@@ -1626,11 +1722,25 @@ cat > confcache <<\EOF
 # --recheck option to rerun configure.
 #
 EOF
+# The following way of writing the cache mishandles newlines in values,
+# but we know of no workaround that is simple, portable, and efficient.
+# So, don't put newlines in cache variables' values.
 # Ultrix sh set writes to stderr and can't be redirected directly,
 # and sets the high bit in the cache file unless we assign to the vars.
 (set) 2>&1 |
-  sed -n "s/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=\${\1='\2'}/p" \
-  >> confcache
+  case `(ac_space=' '; set) 2>&1` in
+  *ac_space=\ *)
+    # `set' does not quote correctly, so add quotes (double-quote substitution
+    # turns \\\\ into \\, and sed turns \\ into \).
+    sed -n \
+      -e "s/'/'\\\\''/g" \
+      -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
+    ;;
+  *)
+    # `set' quotes correctly as required by POSIX, so do not add quotes.
+    sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
+    ;;
+  esac >> confcache
 if cmp -s $cache_file confcache; then
   :
 else
@@ -1697,7 +1807,7 @@ do
     echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
     exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
   -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
-    echo "$CONFIG_STATUS generated by autoconf version 2.10"
+    echo "$CONFIG_STATUS generated by autoconf version 2.12"
     exit 0 ;;
   -help | --help | --hel | --he | --h)
     echo "\$ac_cs_usage"; exit 0 ;;
@@ -1767,20 +1877,56 @@ s%@INSTALL_DATA@%$INSTALL_DATA%g
 
 CEOF
 EOF
+
+cat >> $CONFIG_STATUS <<\EOF
+
+# Split the substitutions into bite-sized pieces for seds with
+# small command number limits, like on Digital OSF/1 and HP-UX.
+ac_max_sed_cmds=90 # Maximum number of lines to put in a sed script.
+ac_file=1 # Number of current file.
+ac_beg=1 # First line for current file.
+ac_end=$ac_max_sed_cmds # Line after last line for current file.
+ac_more_lines=:
+ac_sed_cmds=""
+while $ac_more_lines; do
+  if test $ac_beg -gt 1; then
+    sed "1,${ac_beg}d; ${ac_end}q" conftest.subs > conftest.s$ac_file
+  else
+    sed "${ac_end}q" conftest.subs > conftest.s$ac_file
+  fi
+  if test ! -s conftest.s$ac_file; then
+    ac_more_lines=false
+    rm -f conftest.s$ac_file
+  else
+    if test -z "$ac_sed_cmds"; then
+      ac_sed_cmds="sed -f conftest.s$ac_file"
+    else
+      ac_sed_cmds="$ac_sed_cmds | sed -f conftest.s$ac_file"
+    fi
+    ac_file=`expr $ac_file + 1`
+    ac_beg=$ac_end
+    ac_end=`expr $ac_end + $ac_max_sed_cmds`
+  fi
+done
+if test -z "$ac_sed_cmds"; then
+  ac_sed_cmds=cat
+fi
+EOF
+
 cat >> $CONFIG_STATUS <<EOF
 
 CONFIG_FILES=\${CONFIG_FILES-"Makefile"}
 EOF
 cat >> $CONFIG_STATUS <<\EOF
 for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
-  # Support "outfile[:infile]", defaulting infile="outfile.in".
+  # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
   case "$ac_file" in
-  *:*) ac_file_in=`echo "$ac_file"|sed 's%.*:%%'`
+  *:*) ac_file_in=`echo "$ac_file"|sed 's%[^:]*:%%'`
        ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
   *) ac_file_in="${ac_file}.in" ;;
   esac
 
-  # Adjust relative srcdir, etc. for subdirectories.
+  # Adjust a relative srcdir, top_srcdir, and INSTALL for subdirectories.
 
   # Remove last slash and all that follows it.  Not all systems have dirname.
   ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
@@ -1808,6 +1954,7 @@ for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
   [/$]*) INSTALL="$ac_given_INSTALL" ;;
   *) INSTALL="$ac_dots$ac_given_INSTALL" ;;
   esac
+
   echo creating "$ac_file"
   rm -f "$ac_file"
   configure_input="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure."
@@ -1816,16 +1963,22 @@ for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
 # $configure_input" ;;
   *) ac_comsub= ;;
   esac
+
+  ac_file_inputs=`echo $ac_file_in|sed -e "s%^%$ac_given_srcdir/%" -e "s%:% $ac_given_srcdir/%g"`
   sed -e "$ac_comsub
 s%@configure_input@%$configure_input%g
 s%@srcdir@%$srcdir%g
 s%@top_srcdir@%$top_srcdir%g
 s%@INSTALL@%$INSTALL%g
-" -f conftest.subs $ac_given_srcdir/$ac_file_in > $ac_file
+" $ac_file_inputs | (eval "$ac_sed_cmds") > $ac_file
 fi; done
-rm -f conftest.subs
+rm -f conftest.s*
 
+EOF
+cat >> $CONFIG_STATUS <<EOF
 
+EOF
+cat >> $CONFIG_STATUS <<\EOF
 
 exit 0
 EOF