headers is prerequisite for subdirs

diff --git a/libpthread/Makefile b/libpthread/Makefile
index 4380479..28ac45e 100644 (file)
--- a/libpthread/Makefile
+++ b/libpthread/Makefile
@@ -50,7 +50,7 @@ tags:
 subdirs: $(patsubst %, _dir_%, $(DIRS))
 subdirs_clean: $(patsubst %, _dirclean_%, $(ALL_SUBDIRS))
 
-$(patsubst %, _dir_%, $(DIRS)) : dummy
+$(patsubst %, _dir_%, $(DIRS)) : headers
        $(MAKE) -C $(patsubst _dir_%, %, $@)
 
 $(patsubst %, _dirclean_%, $(ALL_SUBDIRS)) : dummy