# subdirmk - &-filter (makefile generation program)
# Copyright 2019 Ian Jackson
# SPDX-License-Identifier: LGPL-2.0-or-later
+# There is NO WARRANTY.
#
# $(srcdir)/subdirmk/generate [--srcdir=SRCDIR] [--] SUBDIR...
#
sub err ($) {
my ($m) = @_;
- die "subdirmk: ${err_file}:$.: $m\n";
+ die defined $err_file
+ ? "subdirmk: ${err_file}:$.: $m\n"
+ : "subdirmk: $m\n";
}
sub wrncore ($$) {