further refactor filter_subdir_mk, moving $srcdir, nfc

diff --git a/subdirmk/generate b/subdirmk/generate
index 56bfe549e570aa6a402eb638ad3ee10bab1834b7..845c9be19ce3b688b90f3cd594166ebff0945c1a 100755 (executable)
--- a/subdirmk/generate
+++ b/subdirmk/generate
@@ -200,10 +200,10 @@ sub filter_subdir_mk ($$$$$) {
        my ($f, $enoentok) = @_;
        process_input_mk($dir_prefix, $dir_suffix, $dir_name,
                         $var_prefix, $targets,
-                        $f, \$esclit, $enoentok);
+                        "${srcdir}/$f", \$esclit, $enoentok);
     };
-    for my $f ("${srcdir}/${dir_prefix}Subdir.mk.in",
-              "${srcdir}/Perdir.mk.in") {
+    for my $f ("${dir_prefix}Subdir.mk.in",
+              "Perdir.mk.in") {
        $pi->($f, 0);
     }
 }