subdirmk/generate: Supply default target if none given in command line

[subdirmk.git] / subdirmk / generate

diff --git a/subdirmk/generate b/subdirmk/generate
index aae2e481e5992fb0068ef1ff2b71a10af75c17e7..fbf07d4664fc6c46a7382679a2fc6affae8b90a5 100755 (executable)
--- a/subdirmk/generate
+++ b/subdirmk/generate
@@ -1,10 +1,14 @@
 #!/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
 #     Subdir.mk.tmp                        Subdir.sd.mk
-#     Makefile
+#     Makefile                          and included files
 # and in toplevel                      and in toplevel
 #     main.mk.tmp                          Perdir.sd.mk
 
@@ -98,7 +102,7 @@ default: all
 %:     FORCE-ALWAYS-RUN
        \@:
 Makefile FORCE-ALWAYS-RUN:
-       \$(MAKE) -C $cd -f main.mk \$(addprefix ${dir_prefix},\$(MAKECMDGOALS))
+       \$(MAKE) -C $cd -f main.mk \$(addprefix ${dir_prefix},\$(or \$(MAKECMDGOALS),all))
 .SUFFIXES:
 END
 }