Don't build directory libraries unless we're building an applet that needs it.
Cherry-picked from Devin Bayer's big MacOS X patch.
diff --git a/miscutils/Makefile.in b/miscutils/Makefile.in
index 9a45b2f..2c651d3 100644
--- a/miscutils/Makefile.in
+++ b/miscutils/Makefile.in
@@ -31,7 +31,9 @@
MISCUTILS-$(CONFIG_TIME) += time.o
MISCUTILS-$(CONFIG_WATCHDOG) += watchdog.o
+ifneq ($(strip $(MISCUTILS-y)),)
libraries-y+=$(MISCUTILS_DIR)$(MISCUTILS_AR)
+endif
MISCUTILS_SRC-y:=$(patsubst %.o,$(srcdir)/%.c,$(MISCUTILS-y))
MISCUTILS_SRC-a:=$(wildcard $(srcdir)/*.c)