subdirmk: Suppress MAKEFILE_TEMPLATES when running `make clean'

[subdirmk.git] / generate

diff --git a/generate b/generate
index f46747da641acb3e0bb1847af7714fe548dceb19..32c6fbf61a7ba1ffcd48f9b79402f6951ddfd6e5 100755 (executable)
--- a/generate
+++ b/generate
@@ -97,14 +97,18 @@ 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
-%:     FORCE-ALWAYS-RUN
+\$(filter-out all,\$(MAKECMDGOALS)) all: run-main.mk
        \@:
-Makefile FORCE-ALWAYS-RUN:
-       \$(MAKE) -C $cd -f main.mk \$(addprefix ${dir_prefix},\$(or \$(MAKECMDGOALS),all))
+subdirmk_targets:=\$(or \$(MAKECMDGOALS),all)
+Makefile run-main.mk:
+       \$(MAKE) -C $cd -f main.mk \$(addprefix ${dir_prefix},\$(subdirmk_targets))$suppress_templates
 .SUFFIXES:
-.PHONY:        FORCE-ALWAYS-RUN
+.PHONY:        run-main.mk
 END
 }