package/busybox: invert dependency with grep

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/busybox/busybox.mk

@@ -22,6 +22,7 @@ BUSYBOX_LDFLAGS = \
 
 # Packages that provide commands that may also be busybox applets:
 BUSYBOX_DEPENDENCIES = \
+	$(if $(BR2_PACKAGE_GREP),grep) \
 	$(if $(BR2_PACKAGE_GZIP),gzip) \
 	$(if $(BR2_PACKAGE_I2C_TOOLS),i2c-tools) \
 	$(if $(BR2_PACKAGE_IFENSLAVE),ifenslave) \

package/grep/grep.mk

@@ -25,9 +25,4 @@ else
 GREP_CONF_OPTS += --disable-perl-regexp
 endif
 
-# Full grep preferred over busybox grep
-ifeq ($(BR2_PACKAGE_BUSYBOX),y)
-GREP_DEPENDENCIES += busybox
-endif
-
 $(eval $(autotools-package))