rootfs-ext2: make the symlink as a _POST_TARGET

This will allow us to remove the unused ROOTFS_$(FSTYPE)_POST_GEN_HOOKS.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

fs/common.mk

@@ -17,7 +17,7 @@
 #  generating the filesystem image
 #
 #  ROOTFS_$(FSTYPE)_POST_GEN_HOOKS, a list of hooks to call after
-#  generating the filesystem image
+#  generating and compressing the filesystem image
 #
 #  ROOTFS_$(FSTYPE)_POST_TARGETS, the list of targets that should be
 #  run after running the main filesystem target. This is useful for

fs/ext2/ext2.mk

@@ -27,11 +27,11 @@ define ROOTFS_EXT2_CMD
 	PATH=$(TARGET_PATH) $(EXT2_ENV) fs/ext2/genext2fs.sh -d $(TARGET_DIR) $(EXT2_OPTS) $@
 endef
 
-define ROOTFS_EXT2_HOOK_SYMLINK
+rootfs-ext2-symlink:
 	ln -sf rootfs.ext2 $(BINARIES_DIR)/rootfs.ext$(BR2_TARGET_ROOTFS_EXT2_GEN)
-endef
+
 ifneq ($(BR2_TARGET_ROOTFS_EXT2_GEN),2)
-ROOTFS_EXT2_POST_GEN_HOOKS += ROOTFS_EXT2_HOOK_SYMLINK
+ROOTFS_EXT2_POST_TARGETS += rootfs-ext2-symlink
 endif
 
 $(eval $(call ROOTFS_TARGET,ext2))