- kernel: install kernel-headers to build_tmp

make/environment-linux.mk

@@ -192,6 +192,7 @@ KERNEL_PATCH    = $($(call UPPERCASE,$(BOXMODEL))_PATCH)
 
 KERNEL_OBJ      = linux-$(KERNEL_VER)-obj
 KERNEL_MODULES  = linux-$(KERNEL_VER)-modules
+KERNEL_HEADERS  = linux-$(KERNEL_VER)-headers
 
 KERNEL_CONFIG  ?= $(CONFIGS)/kernel-$(BOXMODEL).config
 KERNEL_NAME     = NI $(shell echo $(BOXFAMILY) | sed 's/.*/\u&/') Kernel
@@ -215,6 +216,7 @@ KERNEL_MAKEVARS = \
 	ARCH=$(TARGET_ARCH) \
 	CROSS_COMPILE=$(TARGET_CROSS) \
 	INSTALL_MOD_PATH=$(BUILD_DIR)/$(KERNEL_MODULES) \
+	INSTALL_HDR_PATH=$(BUILD_DIR)/$(KERNEL_HEADERS) \
 	LOCALVERSION= \
 	O=$(BUILD_DIR)/$(KERNEL_OBJ)
 

make/linux-kernel.mk

@@ -207,8 +207,10 @@ kernel.do_prepare:
 	#
 	$(REMOVE)/$(KERNEL_OBJ)
 	$(REMOVE)/$(KERNEL_MODULES)
+	$(REMOVE)/$(KERNEL_HEADERS)
 	$(MKDIR)/$(KERNEL_OBJ)
 	$(MKDIR)/$(KERNEL_MODULES)
+	$(MKDIR)/$(KERNEL_HEADERS)
 	$(INSTALL_DATA) $(KERNEL_CONFIG) $(BUILD_DIR)/$(KERNEL_OBJ)/.config
 ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd51 bre2ze4k h7 hd60 hd61))
 	$(INSTALL_DATA) $(PATCHES)/initramfs-subdirboot.cpio.gz $(BUILD_DIR)/$(KERNEL_OBJ)
@@ -233,7 +235,8 @@ kernel.do_compile: kernel.do_prepare
 	$(CHDIR)/$(KERNEL_DIR); \
 		$(MAKE) $(KERNEL_MAKEVARS) silentoldconfig; \
 		$(MAKE) $(KERNEL_MAKEVARS) $(KERNEL_MAKEOPTS); \
-		$(MAKE) $(KERNEL_MAKEVARS) modules_install
+		$(MAKE) $(KERNEL_MAKEVARS) modules_install; \
+		$(MAKE) $(KERNEL_MAKEVARS) headers_install
 ifneq ($(KERNEL_DTB),$(EMPTY))
 	cat $(KERNEL_ZIMAGE) $(KERNEL_DTB) > $(KERNEL_ZIMAGE_DTB)
 endif