diff -urdpNX /usr/share/dontdiff dovecot.vanilla/configure.in dovecot/configure.in
--- dovecot.vanilla/configure.in	2006-07-20 09:26:24.682631304 +0400
+++ dovecot/configure.in	2006-07-20 09:27:51.970361552 +0400
@@ -1408,6 +1408,10 @@ if test $want_gssapi = yes; then
 				AC_DEFINE(HAVE_GSSAPI,, Build with GSSAPI support)
 				have_gssapi=yes
 			])
+			AC_CHECK_HEADER([kerberosV/gssapi.h], [
+				AC_DEFINE(HAVE_GSSAPI,, Build with GSSAPI support)
+				have_gssapi=yes
+			])
 			CFLAGS=$old_CFLAGS
 		fi
 	fi