[source] apm821xx: fix IB image building

[LEDE Commits]

jow pushed a commit to source.git, branch master:
https://git.lede-project.org/?p=source.git;a=commitdiff;h=4d9fc1bd44e9012de7452c6ec1fe7ca9d098f3dd

commit 4d9fc1bd44e9012de7452c6ec1fe7ca9d098f3dd
Author: Jo-Philipp Wich <jo at mein.io>
AuthorDate: Sat Jul 30 15:43:35 2016 +0200

    apm821xx: fix IB image building
    
    Change the image build code to generate the DTB files as part of the kernel
    build phase in order to fix the image build in the ImageBuilder environment.
    
    Signed-off-by: Jo-Philipp Wich <jo at mein.io>
---
 target/linux/apm821xx/image/Makefile | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/target/linux/apm821xx/image/Makefile b/target/linux/apm821xx/image/Makefile
index 25ee67b..100db56 100644
--- a/target/linux/apm821xx/image/Makefile
+++ b/target/linux/apm821xx/image/Makefile
@@ -85,7 +85,7 @@ define Build/create-uImage-dtb
 	-$(STAGING_DIR_HOST)/bin/mkimage -A $(LINUX_KARCH) \
 		-O linux -T kernel -C none \
 		-n '$(call toupper,$(LINUX_KARCH)) LEDE Linux-$(LINUX_VERSION)' \
-		-d $@.dtb $@.new
+		-d $(IMAGE_KERNEL).dtb $@.new
 	@mv $@.new $@
 endef
 
@@ -152,9 +152,9 @@ define Device/WNDR4700
   IMAGE_SIZE:=25559040
   IMAGES := factory.img sysupgrade.tar
   KERNEL_SIZE := 1920k
-  KERNEL := kernel-bin | lzma | uImage lzma | pad-offset $$(BLOCKSIZE) 64 | append-fakerootfs
+  KERNEL := dtb | kernel-bin | lzma | uImage lzma | pad-offset $$(BLOCKSIZE) 64 | append-fakerootfs
   KERNEL_INITRAMFS := kernel-bin | gzip | dtb | wndr4700-specialImage gzip
-  IMAGE/factory.img := dtb | create-uImage-dtb | append-kernel | pad-to 2M | append-ubi | \
+  IMAGE/factory.img := create-uImage-dtb | append-kernel | pad-to 2M | append-ubi | \
 		       netgear-dni | check-size $$$$(IMAGE_SIZE)
   IMAGE/sysupgrade.tar := sysupgrade-tar
   NETGEAR_BOARD_ID := WNDR4700
@@ -178,7 +178,7 @@ define Build/boot-img
 	mkdir -p $@.bootdir/boot
 
 	$(CP) $@.scr $@.bootdir/boot/boot.scr
-	$(CP) $@.dtb $@.bootdir/boot/$(DEVICE_DTB)
+	$(CP) $(IMAGE_KERNEL).dtb $@.bootdir/boot/$(DEVICE_DTB)
 	$(CP) $(IMAGE_KERNEL) $@.bootdir/boot/uImage
 
 	genext2fs --block-size $(BLOCKSIZE) --size-in-blocks $$((1024 * $(BOOT_SIZE))) --root $@.bootdir $@.boot
@@ -211,6 +211,10 @@ define Build/recovery-tar
 		$@
 endef
 
+define Build/export-dtb
+	cp $(IMAGE_KERNEL).dtb $@
+endef
+
 define Device/MyBookLiveDefault
   IMAGE_SIZE := 48m
   BLOCKSIZE := 1024
@@ -220,8 +224,8 @@ define Device/MyBookLiveDefault
   IMAGES := rootfs.img recovery.tar kernel.dtb
   DEVICE_DTB := apollo3g.dtb
   FILESYSTEMS := ext4
-  IMAGE/kernel.dtb := append-dtb
-  IMAGE/rootfs.img := boot-script | dtb | boot-img | hdd-img
+  IMAGE/kernel.dtb := export-dtb
+  IMAGE/rootfs.img := boot-script | boot-img | hdd-img
   IMAGE/recovery.tar := append-rootfs | gzip | uRamdisk | recovery-tar
 endef