isic: add with-libnet remove libnet test

Inappropriate - builds fine on non-oe systems. We need to exlude
cross compile libnet test. Pass in the location for libnet.a. Path
did not support mulitlib either.

Signed-off-by: Armin Kuster <akuster808@gmail.com>

Index: isic-0.07/configure
===================================================================
--- isic-0.07.orig/configure
+++ isic-0.07/configure
@@ -45,6 +45,8 @@ includedir='${prefix}/include'
 oldincludedir='/usr/include'
 infodir='${prefix}/info'
 mandir='${prefix}/man'
+with_libnet_libraries
+libnet_libraries
 
 # Initialize some other variables.
 subdirs=
@@ -180,6 +182,7 @@ Features and packages:
   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
   --x-includes=DIR        X include files are in DIR
   --x-libraries=DIR       X library files are in DIR
+  --with-libnet-dir=DIR   libnet library is in this DIR
 EOF
     if test -n "$ac_help"; then
       echo "--enable and --with options recognized:$ac_help"
@@ -828,117 +832,36 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCR
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 
-PREFIX=/usr/local
-
-ac_safe=`echo "$PREFIX/lib/libnet.a" | sed 'y%./+-%__p_%'`
-echo $ac_n "checking for $PREFIX/lib/libnet.a""... $ac_c" 1>&6
-echo "configure:836: checking for $PREFIX/lib/libnet.a" >&5
-if eval "test \"`echo '$''{'ac_cv_file_$ac_safe'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  if test "$cross_compiling" = yes; then
-    { echo "configure: error: Cannot check for file existence when cross compiling" 1>&2; exit 1; }
-else
-  if test -r $PREFIX/lib/libnet.a; then
-    eval "ac_cv_file_$ac_safe=yes"
-  else
-    eval "ac_cv_file_$ac_safe=no"
-  fi
-fi
-fi
-if eval "test \"`echo '$ac_cv_file_'$ac_safe`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-  FOO=$LIBS; CFLAGS="$CFLAGS -I$PREFIX/include" LIBS="-L$PREFIX/lib $LIBS"
-else
-  echo "$ac_t""no" 1>&6
-
-fi
-
-echo $ac_n "checking for -lnet""... $ac_c" 1>&6
-echo "configure:884: checking for -lnet" >&5
-if eval "test \"`echo '$''{'ac_cv_lib_net'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  ac_save_LIBS="$LIBS"
-LIBS="-lnet  $LIBS"
-cat > conftest.$ac_ext <<EOF
-#line 891 "configure"
-#include "confdefs.h"
-
-int main() {
-main()
-; return 0; }
-EOF
-if { (eval echo configure:898: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
-  rm -rf conftest*
-  ac_cv_lib_net=yes
-else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  ac_cv_lib_net=no
+LIBNET_GLOB='libnet.a'
+libnet_libraries=""
+ac_libnet_libraries=NO
+
+# Check whether --with-libnet-libraries was given.
+if test "${with_libnet_libraries+set}" = set; then :
+  withval=$with_libnet_libraries;   ac_libnet_libraries="$withval"
+fi
+
+if test ! "$ac_libnet_libraries" = "NO"; then
+  libnet_libdir=$ac_libnet_libraries
+else
+  libnet_libdirs="/usr/lib"
+  libnet_libdir=NONE
+  for dir in $libnet_libdirs; do
+    try="ls -1 $dir/${LIBNET_GLOB}"
+    if test -n "`$try 2> /dev/null`"; then libnet_libdir=$dir; break; else echo "tried $dir" >&5; fi
+  done
 fi
-rm -f conftest*
-LIBS="$ac_save_LIBS"
 
-fi
-echo "$ac_t""$ac_cv_lib_net" 1>&6
-if test "$ac_cv_lib_net" = yes; then
-  DEFINES=  
-else
-  { echo "configure: error: Cannot find libnet...  please get it from
-	http://www.packetfactory.net/libnet" 1>&2; exit 1; }
-fi
+ac_libnet_libdir="$libnet_libdir"
 
-echo $ac_n "checking for libnet_init in -lnet""... $ac_c" 1>&6
-echo "configure:921: checking for libnet_init in -lnet" >&5
-ac_lib_var=`echo net'_'libnet_init | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  ac_save_LIBS="$LIBS"
-LIBS="-lnet  $LIBS"
-cat > conftest.$ac_ext <<EOF
-#line 929 "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 libnet_init();
-
-int main() {
-libnet_init()
-; return 0; }
-EOF
-if { (eval echo configure:940: \"$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_$ac_lib_var=no"
+if test "$libnet_libraries"; then
+  libnet_libraries="$ac_libnet_libdir"
 fi
-rm -f conftest*
-LIBS="$ac_save_LIBS"
-
-fi
-if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-    ac_tr_lib=HAVE_LIB`echo net | sed -e 's/[^a-zA-Z0-9_]/_/g' \
-    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
-  cat >> confdefs.h <<EOF
-#define $ac_tr_lib 1
-EOF
 
-  LIBS="-lnet $LIBS"
-
-else
-  echo "$ac_t""no" 1>&6
+if test "$libnet_libraries" != "$x_libraries" && test -n "$libnet_libraries"; then
+  LIBS="$LIBS -lnet"
 fi
 
-
-
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
 echo "configure:970: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.