README: Document restriction on $-doubling and lack of -quadrupling

[subdirmk.git] / generate

diff --git a/generate b/generate
index 747a79b8441a740dedeb641886849111c5077c27..a6a6cda90c6b1e032dabf49797086c0280789a41 100755 (executable)
--- a/generate
+++ b/generate
@@ -7,7 +7,7 @@
 # $(srcdir)/subdirmk/generate [--srcdir=SRCDIR] [--] SUBDIR...
 #
 # generates in each subdirectory
-#     Subdir.mk.tmp
+#     Dir.mk.tmp
 #     Makefile
 # and in toplevel
 #     main.mk.tmp
@@ -241,7 +241,7 @@ sub process_input_mk ($$$$) {
        } elsif (s#^\s*$esc\:(?=(-?)include|macro)##) {
            $buffering_output='';
        } elsif (m#^\s*$esc\:([a-z][-0-9a-z_]*)#) {
-           err "unknown directive &:$1";
+           err "unknown directive &:$1 or bad argumnt syntax";
        } elsif (s{^\s*${esc}TARGETS(?:_([0-9a-zA-Z_]+))?(?=\W)}{}) {
            my $t = $1 // 'all';
            od target_varname($var_prefix, $t);
@@ -311,7 +311,7 @@ sub process_input_mk ($$$$) {
                od "define $1\n";
                $push_nest->('macro', 1, '&:macro');
            } else {
-               die "internal error ($_?)";
+               err "bad directive argument syntax";
            }
        }
     }
@@ -333,9 +333,9 @@ sub filter_subdir_mk ($) {
        my ($f, $enoentok) = @_;
        process_input_mk($targets, "${srcdir}/$f", \$esclit, $enoentok);
     };
-    $pi->("Prefix.sd.mk",              1);
-    $pi->("${dir_prefix}Subdir.sd.mk", 0);
-    $pi->("Suffix.sd.mk",              1);
+    $pi->("Prefix.sd.mk",           1);
+    $pi->("${dir_prefix}Dir.sd.mk", 0);
+    $pi->("Suffix.sd.mk",           1);
 }
 
 sub process_subtree ($$);
@@ -351,7 +351,7 @@ sub process_subtree ($$) {
     # ^ this is the only var which we need before we come back from
     #   the recursion.
 
-    push @output_makefiles, "${dir_prefix}Subdir.mk";
+    push @output_makefiles, "${dir_prefix}Dir.mk";
     write_makefile($dir_prefix, scalar @$path);
 
     my %targets = (all => []);
@@ -364,12 +364,12 @@ sub process_subtree ($$) {
     }
 
     set_dir_vars($path);
-    start_output_file("${dir_prefix}Subdir.mk.tmp");
+    start_output_file("${dir_prefix}Dir.mk.tmp");
 
     if ($node->[2]) {
        filter_subdir_mk(\%targets);
     } else {
-       my $sdmk = "${dir_prefix}Subdir.sd.mk";
+       my $sdmk = "${dir_prefix}Dir.sd.mk";
        if (stat $sdmk) {
            die
  "subdirmk: $sdmk unexpectedly exists (${dir_prefix} not mentioned on subdirmk/generate command line, maybe directory is missing from SUBDIRMK_SUBDIRS)";