# $(srcdir)/subdirmk/generate [--srcdir=SRCDIR] [--] SUBDIR...
#
# generates in each subdirectory from in each subdirectory
-# Subdir.mk.tmp Subdir.mk.in
+# Subdir.mk.tmp Subdir.sd.mk
# Makefile
# and in toplevel and in toplevel
-# main.mk.tmp Perdir.mk.in
+# main.mk.tmp Perdir.sd.mk
use strict;
use POSIX;
}
our $writing_output;
+our $buffering_output;
our %output_files;
sub close_any_output_file() {
}
sub o {
+ if (defined $buffering_output) {
+ $buffering_output .= $_ foreach @_;
+ return;
+ }
die unless defined $writing_output;
print O @_ or die "error writing $writing_output.tmp: $!\n";
}
END
}
-sub process_input_mk ($$$$$$$);
-sub process_input_mk ($$$$$$$) {
+sub process_input_mk ($$$$$$$$);
+sub process_input_mk ($$$$$$$$) {
my ($dir_prefix, $dir_suffix, $dir_name,
$var_prefix, $targets,
- $f, $esclitr) = @_;
+ $f, $esclitr, $enoent_ok) = @_;
- my $caps_re = qr{[A-Z][0-9_A-Z]*(?=\W)};
- my $lc_re = qr{[a-z][-+,0-9_a-z]*(?=\W)};
+ my $caps_re = qr{[A-Z]};
+ my $lc_re = qr{[a-z]};
my $esc;
my $set_esc = sub {
};
$set_esc->();
- open I, '<', $f or die "open $f: $!\n";
- while (<I>) {
+ my $input = new IO::File $f, '<';
+ if (!$input) {
+ die "open $f: $!\n" unless $!==ENOENT && $enoent_ok;
+ return;
+ }
+ o "MAKEFILE_TEMPLATES += $f\n";
+
+ while (<$input>) {
+ if (s#^\s*$esc\:##) {
+ $buffering_output='';
+ }
for (;;) {
unless (s{^(.*?)(\\)?(?=$esc)}{}) { o $_; last; }
o $1;
die "bad escape $$esclitr$_ ";
}
}
+ if (defined $buffering_output) {
+ $_=$buffering_output;
+ $buffering_output=undef;
+ if (m#^(-?)include\s+(\S+)\s+$#) {
+ my $subf = "$srcdir/$2";
+ process_input_mk($dir_prefix, $dir_suffix, $dir_name,
+ $var_prefix, $targets,
+ $subf, $esclitr, $subf);
+ o "\n";
+ } else {
+ die "unknown directive $_ ";
+ }
+ }
}
- I->error and die "read $f: $!\n";
+ $input->error and die "read $f: $!\n";
+ close $input or die "close $f: $!\n";
}
sub filter_subdir_mk ($$$$$) {
#print STDERR "filter @_\n";
my $esclit = '&';
- for my $f ("${srcdir}/${dir_prefix}Subdir.mk.in",
- "${srcdir}/Perdir.mk.in") {
+
+ my $pi = sub {
+ my ($f, $enoentok) = @_;
process_input_mk($dir_prefix, $dir_suffix, $dir_name,
$var_prefix, $targets,
- $f, \$esclit);
- }
+ "${srcdir}/$f", \$esclit, $enoentok);
+ };
+ $pi->("${dir_prefix}Subdir.sd.mk", 0);
+ $pi->("Perdir.sd.mk", 1);
}
sub process_subtree ($$);
my @targets = sort keys %targets;
foreach my $target (@targets) {
my $target_varname = target_varname($var_prefix, $target);
- print O "${dir_prefix}${target}: \$($target_varname)";
+ print O "${dir_prefix}${target}:: \$($target_varname)";
foreach my $child_subdir (@{ $targets{$target} }) {
print O " $child_subdir/$target";
}