& ~ thing thing... & & may be omitted before EOL or before \EOL
other &'s not recognised
+start of line (maybe after ws):
+&:<directive> <args>....
+args are processed for & first
+&:include filename filename should usually be foo.mk.in
+&:-include filename
+
CAPS is [A-Z][0-9_A-Z]*(?!\w)
lc is [a-z][-+,0-9_a-z]*(?!\w)
return;
}
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";
+ o "MAKEFILE_TEMPLATES += $subf\n";
+ process_input_mk($dir_prefix, $dir_suffix, $dir_name,
+ $var_prefix, $targets,
+ $subf, $esclitr, $subf);
+ o "\n";
+ } else {
+ die "unknown directive $_ ";
+ }
+ }
}
$input->error and die "read $f: $!\n";
close $input or die "close $f: $!\n";
MAKEFILES += subdirmk/regen.mk
+MAKEFILE_TEMPLATES += $(top_srcdir)/Perdir.mk.in
+
main.mk $(MAKEFILES): .makefiles.stamp ;
.makefiles.stamp: \
$(top_srcdir)/subdirmk/generate \
$(CONFIG_STATUS) \
- $(top_srcdir)/Perdir.mk.in \
+ $(MAKEFILE_TEMPLATES) \
$(foreach m,$(MAKEFILES),$(top_srcdir)/$(m).in)
# This filtering arranges that we can often run config.status to
# generate only particular output files. We look for *inputs* that