brcm2708: add gzip image compression
authorJohn Crispin <john@openwrt.org>
Fri, 17 Jul 2015 12:50:52 +0000 (12:50 +0000)
committerJohn Crispin <john@openwrt.org>
Fri, 17 Jul 2015 12:50:52 +0000 (12:50 +0000)
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
SVN-Revision: 46404

target/linux/brcm2708/image/Makefile

index de178c6..2afd29b 100644 (file)
@@ -11,6 +11,16 @@ include $(INCLUDE_DIR)/host.mk
 FAT32_BLOCK_SIZE=1024
 FAT32_BLOCKS=$(shell echo $$(($(CONFIG_BRCM2708_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE))))
 
+ifneq ($(CONFIG_TARGET_IMAGES_GZIP),)
+  define Image/gzip
+    gzip -9n -c $(1) > $(1).gz
+    mv $(1).gz $(BIN_DIR)
+  endef
+else
+  define Image/gzip
+  endef
+endif
+
 ### Image scripts ###
 define Build/build-dtb
        $(LINUX_DIR)/scripts/dtc/dtc -O dtb -o $@.dtb $(DTS_DIR)/$(DEVICE_DTS).dts
@@ -40,6 +50,7 @@ endef
 define Build/sdcard-img
        ./gen_rpi_sdcard_img.sh $@ $@.boot $(word 2,$^) \
                $(CONFIG_BRCM2708_SD_BOOT_PARTSIZE) $(CONFIG_TARGET_ROOTFS_PARTSIZE)
+       $(call Image/gzip,$@)
 endef
 
 ### Device macros ###