1# SPDX-License-Identifier: GPL-2.0 2# Copyright (C) 2020 ARM Limited 3 4CFLAGS += -std=gnu99 -I. -pthread 5LDFLAGS += -pthread 6SRCS := $(filter-out mte_common_util.c,$(wildcard *.c)) 7PROGS := $(patsubst %.c,%,$(SRCS)) 8 9ifeq ($(LLVM),) 10# For GCC check that the toolchain has MTE support. 11 12# preserve CC value from top level Makefile 13ifeq ($(CC),cc) 14CC := $(CROSS_COMPILE)gcc 15endif 16 17#check if the compiler works well 18mte_cc_support := $(shell if ($(CC) $(CFLAGS) -march=armv8.5-a+memtag -E -x c /dev/null -o /dev/null 2>&1) then echo "1"; fi) 19 20else 21 22# All supported clang versions also support MTE. 23mte_cc_support := 1 24 25endif 26 27ifeq ($(mte_cc_support),1) 28# Generated binaries to be installed by top KSFT script 29TEST_GEN_PROGS := $(PROGS) 30 31else 32 $(warning compiler "$(CC)" does not support the ARMv8.5 MTE extension.) 33 $(warning test program "mte" will not be created.) 34endif 35 36# Include KSFT lib.mk. 37include ../../lib.mk 38 39ifeq ($(mte_cc_support),1) 40$(TEST_GEN_PROGS): mte_common_util.c mte_helper.S 41endif 42