configure: Support specifying a .rules.in file as dependency.

configure

diff --git a/configure b/configure
index 36807fc..f1f9435 100755
--- a/configure
+++ b/configure
@@ -14127,10 +14127,16 @@
 {
     ac_dir=$1
     ac_alldeps=$2
+    ac_makedep="\$(MAKEDEP)"
+    ac_input=Make.vars.in:$ac_dir/Makefile.in
     if test $ac_dir != tools
     then
-                ac_alldeps="$2 \$(MAKEDEP)"
+                ac_alldeps="$2 $ac_makedep"
     fi
+    case $2 in
+      *.in) ac_input=$ac_input:$2 ;;
+      *) ac_makedep="$2 $ac_makedep" ;;
+    esac
 
     wine_fn_append_file ALL_DIRS $ac_dir
     wine_fn_append_rule ALL_MAKEFILE_DEPENDS \
@@ -14140,11 +14146,11 @@
 	@cd $ac_dir && \$(MAKE) clean
 	\$(RM) $ac_dir/Makefile
 $ac_dir/Makefile: $ac_dir/Makefile.in Make.vars.in config.status $ac_alldeps
-	@./config.status --file $ac_dir/Makefile:Make.vars.in:$ac_dir/Makefile.in && cd $ac_dir && \$(MAKE) depend
+	@./config.status --file $ac_dir/Makefile:$ac_input && cd $ac_dir && \$(MAKE) depend
 depend: $ac_dir/__depend__
 .PHONY: $ac_dir/__depend__
-$ac_dir/__depend__: $2 \$(MAKEDEP) dummy
-	@./config.status --file $ac_dir/Makefile:Make.vars.in:$ac_dir/Makefile.in && cd $ac_dir && \$(MAKE) depend"
+$ac_dir/__depend__: $ac_makedep dummy
+	@./config.status --file $ac_dir/Makefile:$ac_input && cd $ac_dir && \$(MAKE) depend"
 }
 
 wine_fn_config_makefile ()