build system: fix parallel make

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index f81bcead0..7084c5c1d 100644
--- a/Makefile
+++ b/Makefile
@@ -358,6 +358,13 @@ scripts_basic:
 # To avoid any implicit rule to kick in, define an empty command.
 scripts/basic/%: scripts_basic ;
 
+# bbox: we have helpers in applets/
+PHONY += applets_dir
+applets_dir:
+        $(Q)$(MAKE) $(build)=applets
+
+applets/%: applets_dir ;
+
 PHONY += outputmakefile
 # outputmakefile generates a Makefile in the output directory, if using a
 # separate output directory. This allows convenient use of make in the
@@ -797,7 +804,7 @@ ifneq ($(KBUILD_MODULES),)
         $(Q)rm -f $(MODVERDIR)/*
 endif
 
-archprepare: prepare1 scripts_basic
+archprepare: prepare1 scripts_basic applets_dir
 
 prepare0: archprepare FORCE
         $(Q)$(MAKE) $(build)=.