From 903b7a89cc49ba025a0aecc2079678c74b0670cd Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Tue, 3 Dec 2019 23:07:00 +0000
Subject: [PATCH] subdirmk: stub Makefiles: filter out `all'

Otherwise `make all' generates this:
  Makefile:3: target 'all' given more than once in the same rule
which is harmless but mildly irritating.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 subdirmk/generate | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/subdirmk/generate b/subdirmk/generate
index dd22146..87e2214 100755
--- a/subdirmk/generate
+++ b/subdirmk/generate
@@ -99,7 +99,7 @@ sub write_makefile ($$) {
     my $cd = $depth ? join('/', ('..',) x $depth) : '.';
     o <<END;
 default: all
-\$(MAKECMDGOALS) all: run-main.mk
+\$(filter-out all,\$(MAKECMDGOALS)) all: run-main.mk
 	\@:
 Makefile run-main.mk:
 	\$(MAKE) -C $cd -f main.mk \$(addprefix ${dir_prefix},\$(or \$(MAKECMDGOALS),all))
-- 
2.30.2