1 # SPDX-License-Identifier: GPL-2.0 2 3 # When ARCH not overridden for crosscompiling, lookup machine 4 ARCH ?= $(shell uname -m 2>/dev/null || echo not) 5 6 ifneq (,$(filter $(ARCH),aarch64 arm64)) 7 ARM64_SUBTARGETS ?= tags signal pauth fp mte bti abi 8 else 9 ARM64_SUBTARGETS := 10 endif 11 12 CFLAGS := -Wall -O2 -g 13 14 # A proper top_srcdir is needed by KSFT(lib.mk) 15 top_srcdir = $(realpath ../../../../) 16 17 # Additional include paths needed by kselftest.h and local headers 18 CFLAGS += -I$(top_srcdir)/tools/testing/selftests/ 19 20 CFLAGS += $(KHDR_INCLUDES) 21 22 CFLAGS += -I$(top_srcdir)/tools/include 23 24 export CFLAGS 25 export top_srcdir 26 27 all: 28 @for DIR in $(ARM64_SUBTARGETS); do \ 29 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 30 mkdir -p $$BUILD_TARGET; \ 31 make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ 32 done 33 34 install: all 35 @for DIR in $(ARM64_SUBTARGETS); do \ 36 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 37 make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ 38 done 39 40 run_tests: all 41 @for DIR in $(ARM64_SUBTARGETS); do \ 42 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 43 make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ 44 done 45 46 # Avoid any output on non arm64 on emit_tests 47 emit_tests: 48 @for DIR in $(ARM64_SUBTARGETS); do \ 49 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 50 make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ 51 done 52 53 clean: 54 @for DIR in $(ARM64_SUBTARGETS); do \ 55 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 56 make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ 57 done 58 59 .PHONY: all clean install run_tests emit_tests
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