remove -C $(LINUX_DIR) from OPTS variable

Otherwise toolchain only compiling of gcc is failing
while trying to install header files.

mk/build.mk

@@ -214,7 +214,7 @@ targethelp:
 	$(MAKE) -C target targethelp 
 
 kernelconfig:
-	${KERNEL_MAKE_ENV} ${MAKE} \
+	${KERNEL_MAKE_ENV} ${MAKE} -C "${LINUX_DIR}" \
 		ARCH=$(ADK_TARGET_ARCH) \
 		${KERNEL_MAKE_OPTS} \
 		menuconfig

mk/image.mk

@@ -216,7 +216,7 @@ ifeq ($(ADK_KERNEL_COMP_BZIP2),y)
 		echo "CONFIG_INITRAMFS_COMPRESSION_BZIP2=y" >> ${LINUX_DIR}/.config
 endif
 	@-rm $(LINUX_DIR)/usr/initramfs_data.cpio* 2>/dev/null
-	env $(KERNEL_MAKE_ENV) $(MAKE) $(KERNEL_MAKE_OPTS) \
+	env $(KERNEL_MAKE_ENV) $(MAKE) -C "${LINUX_DIR}" $(KERNEL_MAKE_OPTS) \
 		-j${ADK_MAKE_JOBS} $(ADK_TARGET_KERNEL) $(MAKE_TRACE)
 	@cp $(KERNEL) $(FW_DIR)/$(TARGET_KERNEL)
 

mk/kernel-build.mk

@@ -35,18 +35,18 @@ $(LINUX_DIR)/.config: $(LINUX_DIR)/.prepared $(BUILD_DIR)/.kernelconfig $(ADK_TO
 	$(TRACE) target/$(ADK_TARGET_ARCH)-kernel-configure
 	-for f in $(TARGETS);do if [ -f $$f ];then rm $$f;fi;done
 	$(CP) $(BUILD_DIR)/.kernelconfig $(LINUX_DIR)/mini.config
-	${KERNEL_MAKE_ENV} $(MAKE) ${KERNEL_MAKE_OPTS} KCONFIG_ALLCONFIG=mini.config allnoconfig $(MAKE_TRACE)
+	${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} KCONFIG_ALLCONFIG=mini.config allnoconfig $(MAKE_TRACE)
 	touch -c $(LINUX_DIR)/.config
 
 $(LINUX_DIR)/$(KERNEL_FILE): $(LINUX_DIR)/.config
 	$(TRACE) target/$(ADK_TARGET_ARCH)-kernel-compile
-	${KERNEL_MAKE_ENV} $(MAKE) ${KERNEL_MAKE_OPTS} -j${ADK_MAKE_JOBS} LOCALVERSION="" $(KERNEL_TARGET) modules $(MAKE_TRACE)
+	${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} -j${ADK_MAKE_JOBS} LOCALVERSION="" $(KERNEL_TARGET) modules $(MAKE_TRACE)
 	touch -c $(LINUX_DIR)/$(KERNEL_FILE)
 
 $(LINUX_BUILD_DIR)/modules: $(LINUX_DIR)/$(KERNEL_FILE)
 	$(TRACE) target/$(ADK_TARGET_ARCH)-kernel-modules-install
 	rm -rf $(LINUX_BUILD_DIR)/modules
-	${KERNEL_MAKE_ENV} $(MAKE) ${KERNEL_MAKE_OPTS} DEPMOD=true \
+	${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} DEPMOD=true \
 		INSTALL_MOD_PATH=$(LINUX_BUILD_DIR)/modules \
 		LOCALVERSION="" \
 		modules_install $(MAKE_TRACE)

mk/kernel-vars.mk

@@ -1,7 +1,7 @@
 # This file is part of the OpenADK project. OpenADK is copyrighted
 # material, please see the LICENCE file in the top-level directory.
 
-KERNEL_MAKE_OPTS:=	V=1 -C "${LINUX_DIR}" \
+KERNEL_MAKE_OPTS:=	V=1 \
 			ARCH="$(ADK_TARGET_KARCH)" \
 			CROSS_COMPILE="$(TARGET_CROSS)" \
 			CC="$(TARGET_CC)" \

package/perf/Makefile

@@ -28,11 +28,11 @@ BUILD_STYLE:=		manual
 INSTALL_STYLE:=		manual
 
 do-build:
-	$(KERNEL_MAKE_ENV) GCC_HONOUR_COPTS=0 $(MAKE) \
+	$(KERNEL_MAKE_ENV) GCC_HONOUR_COPTS=0 $(MAKE) -C "${LINUX_DIR}" \
 		$(KERNEL_MAKE_OPTS) WERROR=0 -C "$(LINUX_DIR)/tools/perf" all
 
 do-install:
-	$(KERNEL_MAKE_ENV) GCC_HONOUR_COPTS=0 $(MAKE) \
+	$(KERNEL_MAKE_ENV) GCC_HONOUR_COPTS=0 $(MAKE) -C "${LINUX_DIR}" \
 		$(KERNEL_MAKE_OPTS) WERROR=0 -C "$(LINUX_DIR)/tools/perf" \
 		prefix="$(WRKINST)" install
 

target/arm/Makefile

@@ -114,13 +114,13 @@ kernel-install: kernel-strip
 
 dtb-install:
 ifeq ($(ADK_TARGET_SYSTEM_RASPBERRY_PI),y)
-	env $(KERNEL_MAKE_ENV) $(MAKE) $(KERNEL_MAKE_OPTS) dtbs $(MAKE_TRACE)
+	env $(KERNEL_MAKE_ENV) $(MAKE) -C "${LINUX_DIR}" $(KERNEL_MAKE_OPTS) dtbs $(MAKE_TRACE)
 endif
 ifeq ($(ADK_TARGET_SYSTEM_RASPBERRY_PI2),y)
-	env $(KERNEL_MAKE_ENV) $(MAKE) $(KERNEL_MAKE_OPTS) dtbs $(MAKE_TRACE)
+	env $(KERNEL_MAKE_ENV) $(MAKE) -C "${LINUX_DIR}" $(KERNEL_MAKE_OPTS) dtbs $(MAKE_TRACE)
 endif
 ifeq ($(ADK_TARGET_SYSTEM_SOLIDRUN_IMX6),y)
-	env $(KERNEL_MAKE_ENV) $(MAKE) $(KERNEL_MAKE_OPTS) \
+	env $(KERNEL_MAKE_ENV) $(MAKE) -C "${LINUX_DIR}" $(KERNEL_MAKE_OPTS) \
 		imx6q-cubox-i.dtb imx6dl-cubox-i.dtb imx6dl-hummingboard.dtb imx6q-hummingboard.dtb $(MAKE_TRACE)
 endif
 	for x in $(LINUX_DIR)/arch/arm/boot/dts/*.dtb; do \

target/ppc/Makefile

@@ -71,7 +71,7 @@ kernel-install: kernel-strip
 	@cp $(BUILD_DIR)/$(TARGET_KERNEL) $(FW_DIR)/${TARGET_KERNEL}
 
 dtb-install:
-	env $(KERNEL_MAKE_ENV) $(MAKE) $(KERNEL_MAKE_OPTS) \
+	env $(KERNEL_MAKE_ENV) $(MAKE) -C "${LINUX_DIR}" $(KERNEL_MAKE_OPTS) \
 		-j${ADK_MAKE_JOBS} virtex440-ml507.dtb $(MAKE_TRACE)
 	$(CP) $(LINUX_DIR)/arch/powerpc/boot/virtex440-ml507.dtb \
 		$(FW_DIR)/ppc.dtb

toolchain/kernel-headers/Makefile

@@ -40,8 +40,8 @@ endif
 	touch $@
 
 $(WRKBUILD)/.headers: $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/linux-$(KERNEL_VERSION)/.patched
-	$(KERNEL_MAKE_ENV) $(MAKE) $(KERNEL_MAKE_OPTS) headers_check
-	$(KERNEL_MAKE_ENV) $(MAKE) $(KERNEL_MAKE_OPTS) \
+	$(KERNEL_MAKE_ENV) $(MAKE) -C "${LINUX_DIR}" $(KERNEL_MAKE_OPTS) headers_check
+	$(KERNEL_MAKE_ENV) $(MAKE) -C "${LINUX_DIR}" $(KERNEL_MAKE_OPTS) \
 		INSTALL_HDR_PATH=$(STAGING_TARGET_DIR)/usr \
 		headers_install
 ifeq ($(ADK_TARGET_ARCH_CRIS),y)