+# Check whether --with-krb5 or --without-krb5 was given.
+if test "${with_krb5+set}" = set; then
+ withval="$with_krb5"
+ krb5="$withval"
+else
+ krb5=no
+fi
+
+if test "$krb5" != no; then
+
+echo $ac_n "checking for library containing gethostbyname""... $ac_c" 1>&6
+echo "configure:3313: checking for library containing gethostbyname" >&5
+if eval "test \"`echo '$''{'ac_cv_search_gethostbyname'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_func_search_save_LIBS="$LIBS"
+ac_cv_search_gethostbyname="no"
+cat > conftest.$ac_ext <<EOF
+#line 3320 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error. */
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char gethostbyname();
+
+int main() {
+gethostbyname()
+; return 0; }
+EOF
+if { (eval echo configure:3331: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+ rm -rf conftest*
+ ac_cv_search_gethostbyname="none required"
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+fi
+rm -f conftest*
+test "$ac_cv_search_gethostbyname" = "no" && for i in nsl; do
+LIBS="-l$i $ac_func_search_save_LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3342 "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 gethostbyname();
+
+int main() {
+gethostbyname()
+; return 0; }
+EOF
+if { (eval echo configure:3353: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+ rm -rf conftest*
+ ac_cv_search_gethostbyname="-l$i"
+break
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+fi
+rm -f conftest*
+done
+LIBS="$ac_func_search_save_LIBS"
+fi
+
+echo "$ac_t""$ac_cv_search_gethostbyname" 1>&6
+if test "$ac_cv_search_gethostbyname" != "no"; then
+ test "$ac_cv_search_gethostbyname" = "none required" || LIBS="$ac_cv_search_gethostbyname $LIBS"
+
+else :
+
+fi
+
+echo $ac_n "checking for library containing socket""... $ac_c" 1>&6
+echo "configure:3375: checking for library containing socket" >&5
+if eval "test \"`echo '$''{'ac_cv_search_socket'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_func_search_save_LIBS="$LIBS"
+ac_cv_search_socket="no"
+cat > conftest.$ac_ext <<EOF
+#line 3382 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error. */
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char socket();
+
+int main() {
+socket()
+; return 0; }
+EOF
+if { (eval echo configure:3393: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+ rm -rf conftest*
+ ac_cv_search_socket="none required"
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+fi
+rm -f conftest*
+test "$ac_cv_search_socket" = "no" && for i in socket; do
+LIBS="-l$i $ac_func_search_save_LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3404 "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 socket();
+
+int main() {
+socket()
+; return 0; }
+EOF
+if { (eval echo configure:3415: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+ rm -rf conftest*
+ ac_cv_search_socket="-l$i"
+break
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+fi
+rm -f conftest*
+done
+LIBS="$ac_func_search_save_LIBS"
+fi
+
+echo "$ac_t""$ac_cv_search_socket" 1>&6
+if test "$ac_cv_search_socket" != "no"; then
+ test "$ac_cv_search_socket" = "none required" || LIBS="$ac_cv_search_socket $LIBS"
+
+else :
+
+fi
+echo $ac_n "checking for compile in -lgen""... $ac_c" 1>&6
+echo "configure:3436: checking for compile in -lgen" >&5
+ac_lib_var=`echo gen'_'compile | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_save_LIBS="$LIBS"
+LIBS="-lgen $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3444 "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 compile();
+
+int main() {
+compile()
+; return 0; }
+EOF
+if { (eval echo configure:3455: \"$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
+ ac_tr_lib=HAVE_LIB`echo gen | sed -e 's/[^a-zA-Z0-9_]/_/g' \
+ -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
+ cat >> confdefs.h <<EOF
+#define $ac_tr_lib 1
+EOF
+
+ LIBS="-lgen $LIBS"
+
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+if test "$krb5" != yes; then
+ CPPFLAGS="$CPPFLAGS -I$krb5/include"
+ LDFLAGS="$LDFLAGS -L$krb5/lib"
+fi
+echo $ac_n "checking for krb5_init_context in -lkrb5""... $ac_c" 1>&6
+echo "configure:3487: checking for krb5_init_context in -lkrb5" >&5
+ac_lib_var=`echo krb5'_'krb5_init_context | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_save_LIBS="$LIBS"
+LIBS="-lkrb5 -lk5crypto -lcom_err $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3495 "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 krb5_init_context();
+
+int main() {
+krb5_init_context()
+; return 0; }
+EOF
+if { (eval echo configure:3506: \"$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 "$ac_t""yes" 1>&6
+ :
+else
+ echo "$ac_t""no" 1>&6
+{ echo "configure: error: Kerberos 5 libraries not found" 1>&2; exit 1; }
+fi
+
+ KRB5_LIBS="-lkrb5 -lk5crypto -lcom_err"
+ cat >> confdefs.h <<\EOF
+#define HAVE_KRB5 1
+EOF
+
+fi
+