use gnu sed for darwin

mk/image.mk

@@ -47,7 +47,7 @@ image-prepare-post:
 			mkfontdir ${TARGET_DIR}/usr/share/fonts/X11/$${i}; \
 		done; \
 	fi
-	sed -i '/^root:/s!:/bin/sh$$!:${ROOTSH}!' ${TARGET_DIR}/etc/passwd
+	$(SED) '/^root:/s!:/bin/sh$$!:${ROOTSH}!' ${TARGET_DIR}/etc/passwd
 	-rm -f ${TARGET_DIR}/bin/sh
 	ln -sf ${BINSH} ${TARGET_DIR}/bin/sh
 ifeq ($(ADK_LINUX_X86_64),y)
@@ -171,7 +171,7 @@ ${FW_DIR}/${ROOTFSJFFS2}: ${TARGET_DIR}
 		--pad=$(ADK_TARGET_MTD_SIZE) -o ${FW_DIR}/${ROOTFSJFFS2} $(MAKE_TRACE)
 
 createinitramfs: ${STAGING_TARGET_DIR}/${INITRAMFS}_list
-	${SED} 's/.*CONFIG_(BLK_DEV_INITRD|INITRAMFS_SOURCE|INITRAMFS_COMPRESSION).*//' \
+	${SED} 's/.*CONFIG_\(RD_\|XZ_\|BLK_DEV_INITRD\|INITRAMFS_\).*//' \
 		${LINUX_DIR}/.config
 	( \
 		echo "CONFIG_BLK_DEV_INITRD=y"; \

mk/vars.mk

@@ -145,9 +145,9 @@ LDFLAGS_FOR_BUILD?= 	-L$(STAGING_HOST_DIR)/usr/lib
 FLAGS_FOR_BUILD=	${CPPFLAGS_FOR_BUILD} ${CFLAGS_FOR_BUILD} ${LDFLAGS_FOR_BUILD}
 
 PATCH=			${BASH} $(SCRIPT_DIR)/patch.sh
-SED:=			sed -i -e
+SED:=			PATH=${HOST_PATH} sed -i -e
 LINUX_DIR:=		$(BUILD_DIR)/linux
-KERNEL_MODULE_FLAGS:=	ARCH=${ARCH} KERNELVERSION="2.6" \
+KERNEL_MODULE_FLAGS:=	ARCH=${ARCH} \
 			KERNEL_PATH=${LINUX_DIR} KERNELDIR=${LINUX_DIR} KERNEL_DIR=${LINUX_DIR} \
 			PREFIX=/usr CROSS_COMPILE="${TARGET_CROSS}" \
 			LDFLAGS="$(ADK_TARGET_KERNEL_LDFLAGS)" CFLAGS_MODULE="-fhonour-copts" V=1