wip docs

[subdirmk.git] / subdirmk / generate

diff --git a/subdirmk/generate b/subdirmk/generate
index 7b8727b1988c254968889387fb5c402a8f7965b6..55323d2770aec5d0ecfa2a96a132acaeaa1eb7cf 100755 (executable)
--- a/subdirmk/generate
+++ b/subdirmk/generate
@@ -125,6 +125,9 @@ sub process_input_mk ($$$$$$$$) {
        return;
     }
     while (<$input>) {
+       if (s#^\s*$esc\:##) {
+           $buffering_output='';
+       }
        for (;;) {
            unless (s{^(.*?)(\\)?(?=$esc)}{}) { o $_; last; }
            o $1;
@@ -165,6 +168,20 @@ sub process_input_mk ($$$$$$$$) {
                die "bad escape $$esclitr$_ ";
            }
        }
+       if (defined $buffering_output) {
+           $_=$buffering_output;
+           $buffering_output=undef;
+           if (m#^(-?)include\s+(\S+)\s+$#) {
+               my $subf = "$srcdir/$2";
+               o "MAKEFILE_TEMPLATES += $subf\n";
+               process_input_mk($dir_prefix, $dir_suffix, $dir_name,
+                                $var_prefix, $targets,
+                                $subf, $esclitr, $subf);
+               o "\n";
+           } else {
+               die "unknown directive $_ ";
+           }
+       }
     }
     $input->error and die "read $f: $!\n";
     close $input or die "close $f: $!\n";
@@ -178,12 +195,15 @@ sub filter_subdir_mk ($$$$$) {
     #print STDERR "filter @_\n";
 
     my $esclit = '&';
-    for my $f ("${srcdir}/${dir_prefix}Subdir.mk.in",
-              "${srcdir}/Perdir.mk.in") {
+
+    my $pi = sub {
+       my ($f, $enoentok) = @_;
        process_input_mk($dir_prefix, $dir_suffix, $dir_name,
                         $var_prefix, $targets,
-                        $f, \$esclit, 0);
-    }
+                        "${srcdir}/$f", \$esclit, $enoentok);
+    };
+    $pi->("${dir_prefix}Subdir.mk.in", 0);
+    $pi->("Perdir.mk.in",              1);
 }
 
 sub process_subtree ($$);