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