subdirmk: Suppress MAKEFILE_TEMPLATES when running `make clean'

[subdirmk.git] / generate

diff --git a/generate b/generate
index dd22146339b130fc6ffbb7efdd9ab3ce0ccc8515..32c6fbf61a7ba1ffcd48f9b79402f6951ddfd6e5 100755 (executable)
--- a/generate
+++ b/generate
@@ -97,12 +97,16 @@ sub write_makefile ($$) {
     #print STDERR "write_makefile @_\n";
     start_output_file("${dir_prefix}Makefile");
     my $cd = $depth ? join('/', ('..',) x $depth) : '.';
+    my $suppress_templates=
+       '$(if $(filter-out clean real-clean, $(subdirmk_targets)),,'.
+       ' MAKEFILE_TEMPLATES=)';
     o <<END;
 default: all
-\$(MAKECMDGOALS) all: run-main.mk
+\$(filter-out all,\$(MAKECMDGOALS)) all: run-main.mk
        \@:
+subdirmk_targets:=\$(or \$(MAKECMDGOALS),all)
 Makefile run-main.mk:
-       \$(MAKE) -C $cd -f main.mk \$(addprefix ${dir_prefix},\$(or \$(MAKECMDGOALS),all))
+       \$(MAKE) -C $cd -f main.mk \$(addprefix ${dir_prefix},\$(subdirmk_targets))$suppress_templates
 .SUFFIXES:
 .PHONY:        run-main.mk
 END