- use the HOSTCC for building host-tools.

package/mtd/mtd.mk

@@ -57,7 +57,7 @@ $(MTD_HOST_DIR)/.unpacked: $(DL_DIR)/$(MTD_SOURCE)
 endif
 
 $(MTD_HOST_DIR)/util/mkfs.jffs2: $(MTD_HOST_DIR)/.unpacked
-	CFLAGS=-I$(LINUX_HEADERS_DIR)/include \
+	CC="$(HOSTCC)" CROSS= CFLAGS=-I$(LINUX_HEADERS_DIR)/include \
 		$(MAKE) LINUXDIR=$(LINUX_DIR) -C $(MTD_HOST_DIR)/util mkfs.jffs2
 
 mtd-host: $(MKFS_JFFS2)