&TARGETS*: make autogenerated targets .PHONY

[subdirmk.git] / generate

diff --git a/generate b/generate
index f46747da641acb3e0bb1847af7714fe548dceb19..7bdbd881c9fab3b3d2f552e6465b73a93dad8c18 100755 (executable)
--- a/generate
+++ b/generate
@@ -99,12 +99,12 @@ sub write_makefile ($$) {
     my $cd = $depth ? join('/', ('..',) x $depth) : '.';
     o <<END;
 default: all
-%:     FORCE-ALWAYS-RUN
+\$(MAKECMDGOALS) all: run-main.mk
        \@:
-Makefile FORCE-ALWAYS-RUN:
+Makefile run-main.mk:
        \$(MAKE) -C $cd -f main.mk \$(addprefix ${dir_prefix},\$(or \$(MAKECMDGOALS),all))
 .SUFFIXES:
-.PHONY:        FORCE-ALWAYS-RUN
+.PHONY:        run-main.mk
 END
 }
 
@@ -254,6 +254,11 @@ sub process_subtree ($$) {
        }
        print O "\n";
     }
+    if (@targets) {
+       print O ".PHONY:";
+       print O " ${dir_prefix}${_}" foreach @targets;
+       print O "\n";
+    }
 
     return @targets;
 }