#!/usr/bin/perl -w
#
-# $(srcdir)/build-aux/subdirmk-setup SUBDIR...
+# $(srcdir)/subdirmk/generate [--srcdir=SRCDIR] [--] SUBDIR...
#
-# generates
-# main.mk.tmp
-# and in each subdirectory
+# generates in each subdirectory
# Subdir.mk.tmp
# Makefile
+# and in toplevel
+# main.mk.tmp
+# from in each subdirectory
+# Subdir.mk.in
+# and at toplevel
+# Perdir.mk.in
use strict;
+use POSIX;
-our $srcdir;
-our @subdirs = @ARGV;
+print "$0 @ARGV\n" or die $!;
+
+our $srcdir='.';
-die unless $ARGV[0] eq '--srcdir';
-die unless @ARGV>=2;
-shift @ARGV;
-($srcdir, @subdirs) = @ARGV;
+while (@ARGV && $ARGV[0] =~ m/^-/) {
+ $_ = shift @ARGV;
+ last if $_ eq '--';
+ if (s/^--srcdir=//) {
+ $srcdir=$';
+ } else {
+ die "$0: unknown option \`$_'\n";
+ }
+}
+our @subdirs = @ARGV;
s{/+$}{} foreach @subdirs;
#use Data::Dumper;
#print STDERR "filter @_\n";
- my $in = "${dir_prefix}Subdir.mk.in";
+ my $in = "${srcdir}/${dir_prefix}Subdir.mk.in";
my $caps_re = qr{[A-Z][0-9_A-Z]*(?=\W)};
my $lc_re = qr{[a-z][-+,0-9_a-z]*(?=\W)};
my $esclit = '&';
my $esc = '\\&';
- for my $f ($in, "Perdir.mk.in") {
+ for my $f ($in, "${srcdir}/Perdir.mk.in") {
open I, '<', $f or die "open $f: $!\n";
while (<I>) {
for (;;) {
} elsif (s{^![ \t]+}{}) {
o $_;
$_ = '';
- } elsif (s{^!(\pPosixWord+|\pPosixPunct+)[ \t]*}{}) {
+ } elsif (s{^!(\S+)(?:[ \t]+|$)}{}) {
$esclit = $1;
$esc = $esclit;
$esc =~ s/\W/\\$&/g;
foreach my $child (@{ $node->[1] }) {
my @childpath = (@$path, $child->[0]);
my $child_subdir = join '/', @childpath;
+ mkdir $child_subdir or $!==EEXIST or die "mkdir $child_subdir: $!";
push @{ $targets{$_} }, $child_subdir foreach
process_subtree($child, \@childpath);
}