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89d72c035f
There's a stray comment in the MTE test Makefile which documents something that's since been removed, delete it. Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Link: https://lore.kernel.org/r/20230111-arm64-kselftest-clang-v1-6-89c69d377727@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
42 lines
1003 B
Makefile
42 lines
1003 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2020 ARM Limited
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CFLAGS += -std=gnu99 -I. -pthread
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LDFLAGS += -pthread
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SRCS := $(filter-out mte_common_util.c,$(wildcard *.c))
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PROGS := $(patsubst %.c,%,$(SRCS))
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ifeq ($(LLVM),)
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# For GCC check that the toolchain has MTE support.
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# preserve CC value from top level Makefile
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ifeq ($(CC),cc)
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CC := $(CROSS_COMPILE)gcc
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endif
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#check if the compiler works well
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mte_cc_support := $(shell if ($(CC) $(CFLAGS) -march=armv8.5-a+memtag -E -x c /dev/null -o /dev/null 2>&1) then echo "1"; fi)
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else
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# All supported clang versions also support MTE.
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mte_cc_support := 1
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endif
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ifeq ($(mte_cc_support),1)
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# Generated binaries to be installed by top KSFT script
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TEST_GEN_PROGS := $(PROGS)
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else
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$(warning compiler "$(CC)" does not support the ARMv8.5 MTE extension.)
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$(warning test program "mte" will not be created.)
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endif
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# Include KSFT lib.mk.
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include ../../lib.mk
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ifeq ($(mte_cc_support),1)
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$(TEST_GEN_PROGS): mte_common_util.c mte_helper.S
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endif
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