+
+ # Andrew Snare <ajs@pigpond.com> wrote:
+ #
+ # You were assuming that if kerberosV (krb5) was found, then kerberosIV
+ # (krb4) was also available. This turns out not to be the case with
+ # mit-krb-1.2.7; apparently backwards-compatibility with KerberosIV
+ # is optional.
+ #
+ # So, disable kerberosV support if libkrb4 can't be found.
+ # This is not the best solution, but it makes the compile not fail.
+ #
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ ac_save_LDFLAGS="$LDFLAGS"
+# ac_save_LIBS="$LIBS"
+
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ # note: $X_CFLAGS includes $x_includes
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+
+ if test \! -z "$libdir" ; then
+ LDFLAGS="$LDFLAGS -L$libdir"
+ fi
+ # note: $X_LIBS includes $x_libraries
+ LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
+
+ echo "$as_me:$LINENO: checking for krb_get_tf_realm in -lkrb4" >&5
+echo $ECHO_N "checking for krb_get_tf_realm in -lkrb4... $ECHO_C" >&6
+if test "${ac_cv_lib_krb4_krb_get_tf_realm+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lkrb4 $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+#include "confdefs.h"
+
+/* Override any gcc2 internal prototype to avoid an error. */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char krb_get_tf_realm ();
+#ifdef F77_DUMMY_MAIN
+# ifdef __cplusplus
+ extern "C"
+# endif
+ int F77_DUMMY_MAIN() { return 1; }
+#endif
+int
+main ()
+{
+krb_get_tf_realm ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_lib_krb4_krb_get_tf_realm=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_cv_lib_krb4_krb_get_tf_realm=no
+fi
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_lib_krb4_krb_get_tf_realm" >&5
+echo "${ECHO_T}$ac_cv_lib_krb4_krb_get_tf_realm" >&6
+if test $ac_cv_lib_krb4_krb_get_tf_realm = yes; then
+ have_kerberos=yes
+else
+ have_kerberos=no
+fi
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+ LDFLAGS="$ac_save_LDFLAGS"
+# LIBS="$ac_save_LIBS"
+
+ if test "$have_kerberos" = yes ; then
+ have_kerberos5=yes
+ cat >>confdefs.h <<\_ACEOF