commit edd605d915767b97c45f88788da731bde0c49295
author Viswanath Kraleti <vkraleti@codeaurora.org> Tue Feb 23 22:30:36 2016 +0530
committer Kees Cook <keescook@google.com> Mon Apr 04 23:34:00 2016 +0000
tree 4aa19acd633d99a2aff8f775135963bfc5712afc
parent fda88a8a7e50ad83b64326ff1699eeb5e0df350e

Install kernel-headers as a separate target

Mark kernel-headers installation path as a separate target
so that other make files can add dependency on it to avoid
build issues arise because of missing headers.

Change-Id: I4fa44e9fa70847bf618a5c153fada2593d717228
Signed-off-by: Viswanath Kraleti <vkraleti@codeaurora.org>

kernel.mk

diff --git a/kernel.mk b/kernel.mk
index fead062..7d91285 100644
--- a/kernel.mk
+++ b/kernel.mk
@@ -114,7 +114,7 @@
 KERNEL_CONFIGS_VER_ARCH := $(KERNEL_CONFIGS_DIR)/$(KERNEL_VERSION)/$(KERNEL_ARCH).config
 
 KERNEL_MERGE_CONFIG := device/generic/brillo/mergeconfig.sh
-
+KERNEL_HEADERS_INSTALL := $(KERNEL_OUT)/usr
 
 ifdef TARGET_KERNEL_DTB
 KERNEL_DTB := $(KERNEL_OUT)/arch/$(KERNEL_SRC_ARCH)/boot/dts/$(TARGET_KERNEL_DTB)
@@ -158,6 +158,8 @@
 	$(hide) rm -rf $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/dts
 	# Disable CCACHE_DIRECT so that header location changes are noticed.
 	CCACHE_NODIRECT="true" $(MAKE) -C $(TARGET_KERNEL_SRC) O=$(realpath $(KERNEL_OUT)) ARCH=$(KERNEL_ARCH) CROSS_COMPILE="$(KERNEL_CROSS_COMPILE_WRAPPER)" KCFLAGS="$(KERNEL_CFLAGS)" KAFLAGS="$(KERNEL_AFLAGS)"
+
+$(KERNEL_HEADERS_INSTALL): $(KERNEL_BIN)
 	$(MAKE) -C $(TARGET_KERNEL_SRC) O=$(realpath $(KERNEL_OUT)) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) headers_install;
 
 # If the kernel generates VDSO files, generate breakpad symbol files for them.
@@ -178,14 +180,14 @@
 
 ifdef TARGET_KERNEL_DTB
 ifdef TARGET_KERNEL_DTB_APPEND
-$(PRODUCT_OUT)/kernel: $(PRODUCT_OUT)/kernel-dtb $(KERNEL_BIN).vdso | $(ACP)
+$(PRODUCT_OUT)/kernel: $(PRODUCT_OUT)/kernel-dtb $(KERNEL_BIN).vdso $(KERNEL_HEADERS_INSTALL) | $(ACP)
 	$(ACP) -fp $< $@
 else
-$(PRODUCT_OUT)/kernel: $(KERNEL_BIN) $(PRODUCT_OUT)/kernel.dtb $(KERNEL_BIN).vdso | $(ACP)
+$(PRODUCT_OUT)/kernel: $(KERNEL_BIN) $(PRODUCT_OUT)/kernel.dtb $(KERNEL_BIN).vdso $(KERNEL_HEADERS_INSTALL) | $(ACP)
 	$(ACP) -fp $< $@
 endif
 else
-$(PRODUCT_OUT)/kernel: $(KERNEL_BIN) $(KERNEL_BIN).vdso | $(ACP)
+$(PRODUCT_OUT)/kernel: $(KERNEL_BIN) $(KERNEL_BIN).vdso $(KERNEL_HEADERS_INSTALL) | $(ACP)
 	$(ACP) -fp $< $@
 endif