abbreviate some copyright notices

[subdirmk.git] / subdirmk / generate

diff --git a/subdirmk/generate b/subdirmk/generate
index 8a2c9869526c3dd80b66814b2913dc387556c9ee..0ad0eb8c930da8832fedaa6b9459cf4a19189b83 100755 (executable)
--- a/subdirmk/generate
+++ b/subdirmk/generate
@@ -1,5 +1,9 @@
 #!/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
@@ -95,11 +99,10 @@ sub write_makefile ($$) {
     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},\$(MAKECMDGOALS))
 .SUFFIXES:
 END
 }