#!/usr/bin/perl -w
#
-# $(srcdir)/build-aux/subdirmk-setup SUBDIR...
+# $(srcdir)/subdirmk/generate [--srcdir=SRCDIR] [--] SUBDIR...
#
-# generates
-# main.mk.tmp
-# and in each subdirectory
-# Subdir.mk.tmp
-# Makefile
+# generates in each subdirectory from in each subdirectory
+# Subdir.mk.tmp Subdir.mk.in
+# Makefile
+# and in toplevel and in toplevel
+# main.mk.tmp 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;
END
}
-sub filter_subdir_mk ($$$$$) {
+sub process_input_mk ($$$$$$$);
+sub process_input_mk ($$$$$$$) {
my ($dir_prefix, $dir_suffix, $dir_name,
- $var_prefix, $targets) = @_;
-
- #use Data::Dumper;
- #print STDERR "filter @_\n";
+ $var_prefix, $targets,
+ $f, $esclitr) = @_;
- my $in = "${dir_prefix}Subdir.mk.in";
my $caps_re = qr{[A-Z][0-9_A-Z]*(?=\W)};
my $lc_re = qr{[a-z][-+,0-9_a-z]*(?=\W)};
- my $esclit = '&';
- my $esc = '\\&';
- for my $f ($in, "Perdir.mk.in") {
- open I, '<', $f or die "open $f: $!\n";
- while (<I>) {
+ my $esc;
+ my $set_esc = sub {
+ $esc = $$esclitr;
+ $esc =~ s/\W/\\$&/g;
+ };
+ $set_esc->();
+
+ open I, '<', $f or die "open $f: $!\n";
+ while (<I>) {
for (;;) {
unless (s{^(.*?)(\\)?(?=$esc)}{}) { o $_; last; }
o $1;
- if ($2) { o $esclit; next; }
+ if ($2) { o $$esclitr; next; }
s{^$esc}{} or die "$_ ?";
- if (s{^$esc}{}) { o "$esclit$esclit" }
+ if (s{^$esc}{}) { o "$$esclitr$$esclitr" }
elsif (s{^TARGETS(?:_([0-9a-zA-Z_]+))?(?=\W)}{}) {
my $t = $1 // 'all';
o target_varname($var_prefix, $t);
} elsif (s{^![ \t]+}{}) {
o $_;
$_ = '';
- } elsif (s{^!(\pPosixWord+|\pPosixPunct+)[ \t]*}{}) {
- $esclit = $1;
- $esc = $esclit;
- $esc =~ s/\W/\\$&/g;
+ } elsif (s{^!(\S+)(?:[ \t]+|$)}{}) {
+ $$esclitr = $1;
+ $set_esc->();
} else {
- die "bad escape $esclit$_ ";
+ die "bad escape $$esclitr$_ ";
}
}
- }
- I->error and die "read $f: $!\n";
+ }
+ I->error and die "read $f: $!\n";
+}
+
+sub filter_subdir_mk ($$$$$) {
+ my ($dir_prefix, $dir_suffix, $dir_name,
+ $var_prefix, $targets) = @_;
+
+ #use Data::Dumper;
+ #print STDERR "filter @_\n";
+
+ my $esclit = '&';
+ for my $f ("${srcdir}/${dir_prefix}Subdir.mk.in",
+ "${srcdir}/Perdir.mk.in") {
+ process_input_mk($dir_prefix, $dir_suffix, $dir_name,
+ $var_prefix, $targets,
+ $f, \$esclit);
}
}
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);
}