#!/usr/bin/perl -w
#
+# subdirmk - &-filter (makefile generation program)
+# Copyright 2019 Ian Jackson
+# SPDX-License-Identifier: LGPL-2.0-or-later
+#
# $(srcdir)/subdirmk/generate [--srcdir=SRCDIR] [--] SUBDIR...
#
# generates in each subdirectory from in each subdirectory
-# Subdir.mk.tmp Subdir.mk.in
-# Makefile
+# Subdir.mk.tmp Subdir.sd.mk
+# Makefile and included files
# 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;
+our %input_files;
sub close_any_output_file() {
return unless defined $writing_output;
my $cd = $depth ? join('/', ('..',) x $depth) : '.';
o <<END;
default: all
- \@: \$@
%: FORCE-ALWAYS-RUN
- \$(MAKE) -C $cd -f main.mk ${dir_prefix}\$@
+ \@:
Makefile FORCE-ALWAYS-RUN:
- \@: \$@
+ \$(MAKE) -C $cd -f main.mk \$(addprefix ${dir_prefix},\$(or \$(MAKECMDGOALS),all))
.SUFFIXES:
END
}
$var_prefix, $targets,
$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 {
die "open $f: $!\n" unless $!==ENOENT && $enoent_ok;
return;
}
+ $input_files{$f}++;
+
while (<$input>) {
if (s#^\s*$esc\:##) {
$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);
+ $subf, $esclitr, $1);
o "\n";
} else {
die "unknown directive $_ ";
#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.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";
}
foreach my $subdir (@subdirs) {
o "MAKEFILES += $subdir/Subdir.mk\n";
}
+ foreach my $input (sort keys %input_files) {
+ o "MAKEFILE_TEMPLATES += $input\n";
+ }
o "include \$(MAKEFILES)";
}